annotate src/http/modules/ngx_http_mp4_module.c @ 674:4dcaf40cc702 NGINX_1_3_0

nginx 1.3.0 *) Feature: the "debug_connection" directive now supports IPv6 addresses and the "unix:" parameter. *) Feature: the "set_real_ip_from" directive and the "proxy" parameter of the "geo" directive now support IPv6 addresses. *) Feature: the "real_ip_recursive", "geoip_proxy", and "geoip_proxy_recursive" directives. *) Feature: the "proxy_recursive" parameter of the "geo" directive. *) Bugfix: a segmentation fault might occur in a worker process if the "resolver" directive was used. *) Bugfix: a segmentation fault might occur in a worker process if the "fastcgi_pass", "scgi_pass", or "uwsgi_pass" directives were used and backend returned incorrect response. *) Bugfix: a segmentation fault might occur in a worker process if the "rewrite" directive was used and new request arguments in a replacement used variables. *) Bugfix: nginx might hog CPU if the open file resource limit was reached. *) Bugfix: nginx might loop infinitely over backends if the "proxy_next_upstream" directive with the "http_404" parameter was used and there were backup servers specified in an upstream block. *) Bugfix: adding the "down" parameter of the "server" directive might cause unneeded client redistribution among backend servers if the "ip_hash" directive was used. *) Bugfix: socket leak. Thanks to Yichun Zhang. *) Bugfix: in the ngx_http_fastcgi_module.
author Igor Sysoev <http://sysoev.ru>
date Tue, 15 May 2012 00:00:00 +0400
parents ad45b044f1e5
children 981b4c44593b
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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12 #define NGX_HTTP_MP4_TRAK_ATOM 0
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13 #define NGX_HTTP_MP4_TKHD_ATOM 1
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14 #define NGX_HTTP_MP4_MDIA_ATOM 2
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15 #define NGX_HTTP_MP4_MDHD_ATOM 3
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16 #define NGX_HTTP_MP4_HDLR_ATOM 4
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17 #define NGX_HTTP_MP4_MINF_ATOM 5
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18 #define NGX_HTTP_MP4_VMHD_ATOM 6
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19 #define NGX_HTTP_MP4_SMHD_ATOM 7
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20 #define NGX_HTTP_MP4_DINF_ATOM 8
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21 #define NGX_HTTP_MP4_STBL_ATOM 9
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22 #define NGX_HTTP_MP4_STSD_ATOM 10
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23 #define NGX_HTTP_MP4_STTS_ATOM 11
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24 #define NGX_HTTP_MP4_STTS_DATA 12
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25 #define NGX_HTTP_MP4_STSS_ATOM 13
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26 #define NGX_HTTP_MP4_STSS_DATA 14
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27 #define NGX_HTTP_MP4_CTTS_ATOM 15
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28 #define NGX_HTTP_MP4_CTTS_DATA 16
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29 #define NGX_HTTP_MP4_STSC_ATOM 17
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30 #define NGX_HTTP_MP4_STSC_CHUNK 18
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31 #define NGX_HTTP_MP4_STSC_DATA 19
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32 #define NGX_HTTP_MP4_STSZ_ATOM 20
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33 #define NGX_HTTP_MP4_STSZ_DATA 21
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34 #define NGX_HTTP_MP4_STCO_ATOM 22
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35 #define NGX_HTTP_MP4_STCO_DATA 23
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36 #define NGX_HTTP_MP4_CO64_ATOM 24
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37 #define NGX_HTTP_MP4_CO64_DATA 25
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38
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39 #define NGX_HTTP_MP4_LAST_ATOM NGX_HTTP_MP4_CO64_DATA
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42 typedef struct {
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43 size_t buffer_size;
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44 size_t max_buffer_size;
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45 } ngx_http_mp4_conf_t;
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48 typedef struct {
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49 u_char chunk[4];
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50 u_char samples[4];
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51 u_char id[4];
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52 } ngx_mp4_stsc_entry_t;
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55 typedef struct {
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56 uint32_t timescale;
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57 uint32_t time_to_sample_entries;
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58 uint32_t sample_to_chunk_entries;
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59 uint32_t sync_samples_entries;
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60 uint32_t composition_offset_entries;
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61 uint32_t sample_sizes_entries;
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62 uint32_t chunks;
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63
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64 ngx_uint_t start_sample;
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65 ngx_uint_t start_chunk;
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66 ngx_uint_t chunk_samples;
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67 uint64_t chunk_samples_size;
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68 off_t start_offset;
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70 size_t tkhd_size;
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71 size_t mdhd_size;
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72 size_t hdlr_size;
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73 size_t vmhd_size;
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74 size_t smhd_size;
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75 size_t dinf_size;
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76 size_t size;
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77
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78 ngx_chain_t out[NGX_HTTP_MP4_LAST_ATOM + 1];
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80 ngx_buf_t trak_atom_buf;
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81 ngx_buf_t tkhd_atom_buf;
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82 ngx_buf_t mdia_atom_buf;
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83 ngx_buf_t mdhd_atom_buf;
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84 ngx_buf_t hdlr_atom_buf;
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85 ngx_buf_t minf_atom_buf;
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86 ngx_buf_t vmhd_atom_buf;
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87 ngx_buf_t smhd_atom_buf;
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88 ngx_buf_t dinf_atom_buf;
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89 ngx_buf_t stbl_atom_buf;
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90 ngx_buf_t stsd_atom_buf;
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91 ngx_buf_t stts_atom_buf;
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92 ngx_buf_t stts_data_buf;
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93 ngx_buf_t stss_atom_buf;
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94 ngx_buf_t stss_data_buf;
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95 ngx_buf_t ctts_atom_buf;
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96 ngx_buf_t ctts_data_buf;
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97 ngx_buf_t stsc_atom_buf;
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98 ngx_buf_t stsc_chunk_buf;
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99 ngx_buf_t stsc_data_buf;
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100 ngx_buf_t stsz_atom_buf;
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101 ngx_buf_t stsz_data_buf;
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102 ngx_buf_t stco_atom_buf;
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103 ngx_buf_t stco_data_buf;
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104 ngx_buf_t co64_atom_buf;
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105 ngx_buf_t co64_data_buf;
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106
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107 ngx_mp4_stsc_entry_t stsc_chunk_entry;
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108 } ngx_http_mp4_trak_t;
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109
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111 typedef struct {
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112 ngx_file_t file;
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113
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114 u_char *buffer;
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115 u_char *buffer_start;
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116 u_char *buffer_pos;
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117 u_char *buffer_end;
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118 size_t buffer_size;
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119
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120 off_t offset;
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121 off_t end;
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122 off_t content_length;
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123 ngx_uint_t start;
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124 uint32_t timescale;
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125 ngx_http_request_t *request;
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126 ngx_array_t trak;
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127 ngx_http_mp4_trak_t traks[2];
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128
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129 size_t ftyp_size;
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130 size_t moov_size;
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131
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132 ngx_chain_t *out;
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133 ngx_chain_t ftyp_atom;
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134 ngx_chain_t moov_atom;
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135 ngx_chain_t mvhd_atom;
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136 ngx_chain_t mdat_atom;
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137 ngx_chain_t mdat_data;
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138
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139 ngx_buf_t ftyp_atom_buf;
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140 ngx_buf_t moov_atom_buf;
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141 ngx_buf_t mvhd_atom_buf;
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142 ngx_buf_t mdat_atom_buf;
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143 ngx_buf_t mdat_data_buf;
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144
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145 u_char moov_atom_header[8];
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146 u_char mdat_atom_header[16];
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147 } ngx_http_mp4_file_t;
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148
f5a8cf31a203 nginx 1.1.3
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149
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150 typedef struct {
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151 char *name;
f5a8cf31a203 nginx 1.1.3
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152 ngx_int_t (*handler)(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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153 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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154 } ngx_http_mp4_atom_handler_t;
f5a8cf31a203 nginx 1.1.3
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diff changeset
155
f5a8cf31a203 nginx 1.1.3
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156
f5a8cf31a203 nginx 1.1.3
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157 #define ngx_mp4_atom_header(mp4) (mp4->buffer_pos - 8)
f5a8cf31a203 nginx 1.1.3
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158 #define ngx_mp4_atom_data(mp4) mp4->buffer_pos
670
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159 #define ngx_mp4_atom_data_size(t) (uint64_t) (sizeof(t) - 8)
638
f5a8cf31a203 nginx 1.1.3
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160 #define ngx_mp4_atom_next(mp4, n) mp4->buffer_pos += n; mp4->offset += n
f5a8cf31a203 nginx 1.1.3
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161
f5a8cf31a203 nginx 1.1.3
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diff changeset
162
f5a8cf31a203 nginx 1.1.3
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163 #define ngx_mp4_set_atom_name(p, n1, n2, n3, n4) \
f5a8cf31a203 nginx 1.1.3
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164 ((u_char *) (p))[4] = n1; \
f5a8cf31a203 nginx 1.1.3
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165 ((u_char *) (p))[5] = n2; \
f5a8cf31a203 nginx 1.1.3
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166 ((u_char *) (p))[6] = n3; \
f5a8cf31a203 nginx 1.1.3
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167 ((u_char *) (p))[7] = n4
f5a8cf31a203 nginx 1.1.3
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diff changeset
168
f5a8cf31a203 nginx 1.1.3
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169 #define ngx_mp4_get_32value(p) \
658
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170 ( ((uint32_t) ((u_char *) (p))[0] << 24) \
5a4401b9551b nginx 1.1.13
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171 + ( ((u_char *) (p))[1] << 16) \
5a4401b9551b nginx 1.1.13
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parents: 656
diff changeset
172 + ( ((u_char *) (p))[2] << 8) \
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parents: 656
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173 + ( ((u_char *) (p))[3]) )
638
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174
f5a8cf31a203 nginx 1.1.3
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175 #define ngx_mp4_set_32value(p, n) \
f5a8cf31a203 nginx 1.1.3
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176 ((u_char *) (p))[0] = (u_char) ((n) >> 24); \
f5a8cf31a203 nginx 1.1.3
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177 ((u_char *) (p))[1] = (u_char) ((n) >> 16); \
f5a8cf31a203 nginx 1.1.3
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178 ((u_char *) (p))[2] = (u_char) ((n) >> 8); \
f5a8cf31a203 nginx 1.1.3
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179 ((u_char *) (p))[3] = (u_char) (n)
f5a8cf31a203 nginx 1.1.3
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180
f5a8cf31a203 nginx 1.1.3
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181 #define ngx_mp4_get_64value(p) \
f5a8cf31a203 nginx 1.1.3
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182 ( ((uint64_t) ((u_char *) (p))[0] << 56) \
f5a8cf31a203 nginx 1.1.3
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183 + ((uint64_t) ((u_char *) (p))[1] << 48) \
f5a8cf31a203 nginx 1.1.3
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184 + ((uint64_t) ((u_char *) (p))[2] << 40) \
f5a8cf31a203 nginx 1.1.3
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185 + ((uint64_t) ((u_char *) (p))[3] << 32) \
f5a8cf31a203 nginx 1.1.3
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186 + ((uint64_t) ((u_char *) (p))[4] << 24) \
f5a8cf31a203 nginx 1.1.3
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187 + ( ((u_char *) (p))[5] << 16) \
f5a8cf31a203 nginx 1.1.3
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diff changeset
188 + ( ((u_char *) (p))[6] << 8) \
f5a8cf31a203 nginx 1.1.3
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diff changeset
189 + ( ((u_char *) (p))[7]) )
f5a8cf31a203 nginx 1.1.3
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diff changeset
190
f5a8cf31a203 nginx 1.1.3
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diff changeset
191 #define ngx_mp4_set_64value(p, n) \
642
d3cf6c6b0043 nginx 1.1.5
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parents: 640
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192 ((u_char *) (p))[0] = (u_char) ((uint64_t) (n) >> 56); \
d3cf6c6b0043 nginx 1.1.5
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parents: 640
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193 ((u_char *) (p))[1] = (u_char) ((uint64_t) (n) >> 48); \
d3cf6c6b0043 nginx 1.1.5
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parents: 640
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194 ((u_char *) (p))[2] = (u_char) ((uint64_t) (n) >> 40); \
d3cf6c6b0043 nginx 1.1.5
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parents: 640
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195 ((u_char *) (p))[3] = (u_char) ((uint64_t) (n) >> 32); \
d3cf6c6b0043 nginx 1.1.5
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parents: 640
diff changeset
196 ((u_char *) (p))[4] = (u_char) ( (n) >> 24); \
d3cf6c6b0043 nginx 1.1.5
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parents: 640
diff changeset
197 ((u_char *) (p))[5] = (u_char) ( (n) >> 16); \
d3cf6c6b0043 nginx 1.1.5
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parents: 640
diff changeset
198 ((u_char *) (p))[6] = (u_char) ( (n) >> 8); \
d3cf6c6b0043 nginx 1.1.5
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parents: 640
diff changeset
199 ((u_char *) (p))[7] = (u_char) (n)
638
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200
f5a8cf31a203 nginx 1.1.3
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diff changeset
201 #define ngx_mp4_last_trak(mp4) \
f5a8cf31a203 nginx 1.1.3
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diff changeset
202 &((ngx_http_mp4_trak_t *) mp4->trak.elts)[mp4->trak.nelts - 1]
f5a8cf31a203 nginx 1.1.3
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203
f5a8cf31a203 nginx 1.1.3
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204
f5a8cf31a203 nginx 1.1.3
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diff changeset
205 static ngx_int_t ngx_http_mp4_process(ngx_http_mp4_file_t *mp4);
f5a8cf31a203 nginx 1.1.3
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diff changeset
206 static ngx_int_t ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
207 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size);
670
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parents: 664
diff changeset
208 static ngx_int_t ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size);
638
f5a8cf31a203 nginx 1.1.3
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diff changeset
209 static ngx_int_t ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
210 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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diff changeset
211 static ngx_int_t ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
212 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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diff changeset
213 static ngx_int_t ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
214 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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diff changeset
215 static size_t ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
216 off_t start_offset);
f5a8cf31a203 nginx 1.1.3
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diff changeset
217 static ngx_int_t ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
218 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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diff changeset
219 static ngx_int_t ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
220 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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diff changeset
221 static void ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
222 ngx_http_mp4_trak_t *trak);
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
223 static ngx_int_t ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
224 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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diff changeset
225 static ngx_int_t ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
226 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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diff changeset
227 static ngx_int_t ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
228 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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diff changeset
229 static void ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
230 ngx_http_mp4_trak_t *trak);
f5a8cf31a203 nginx 1.1.3
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diff changeset
231 static ngx_int_t ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
232 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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diff changeset
233 static ngx_int_t ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
234 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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diff changeset
235 static ngx_int_t ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
236 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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diff changeset
237 static void ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
238 ngx_http_mp4_trak_t *trak);
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
239 static ngx_int_t ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
240 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
241 static ngx_int_t ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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diff changeset
242 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
243 static ngx_int_t ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
244 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
245 static ngx_int_t ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
246 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
247 static void ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
248 ngx_http_mp4_trak_t *trak);
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
249 static ngx_int_t ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
250 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
251 static ngx_int_t ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
252 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
253 static ngx_int_t ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
254 ngx_http_mp4_trak_t *trak);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
255 static ngx_int_t ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
256 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
257 static ngx_int_t ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
258 ngx_http_mp4_trak_t *trak);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
259 static ngx_int_t ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
260 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
261 static void ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
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parents:
diff changeset
262 ngx_http_mp4_trak_t *trak);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
263 static ngx_int_t ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
264 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
265 static ngx_int_t ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
266 ngx_http_mp4_trak_t *trak);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
267 static ngx_int_t ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
268 uint64_t atom_data_size);
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
269 static ngx_int_t ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4,
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
270 ngx_http_mp4_trak_t *trak);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
271 static ngx_int_t ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
272 uint64_t atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
273 static ngx_int_t ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
274 ngx_http_mp4_trak_t *trak);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
275 static void ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
276 ngx_http_mp4_trak_t *trak, int32_t adjustment);
640
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
277 static ngx_int_t ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4,
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
278 uint64_t atom_data_size);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
279 static ngx_int_t ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4,
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
280 ngx_http_mp4_trak_t *trak);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
281 static void ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4,
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
282 ngx_http_mp4_trak_t *trak, off_t adjustment);
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
283 static char *ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
284 static void *ngx_http_mp4_create_conf(ngx_conf_t *cf);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
285 static char *ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
286
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
287 static ngx_command_t ngx_http_mp4_commands[] = {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
288
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
289 { ngx_string("mp4"),
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
290 NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
291 ngx_http_mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
292 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
293 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
294 NULL },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
295
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
296 { ngx_string("mp4_buffer_size"),
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
297 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
298 ngx_conf_set_size_slot,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
299 NGX_HTTP_LOC_CONF_OFFSET,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
300 offsetof(ngx_http_mp4_conf_t, buffer_size),
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
301 NULL },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
302
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
303 { ngx_string("mp4_max_buffer_size"),
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
304 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
305 ngx_conf_set_size_slot,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
306 NGX_HTTP_LOC_CONF_OFFSET,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
307 offsetof(ngx_http_mp4_conf_t, max_buffer_size),
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
308 NULL },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
309
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
310 ngx_null_command
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
311 };
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
312
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
313
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
314 static ngx_http_module_t ngx_http_mp4_module_ctx = {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
315 NULL, /* preconfiguration */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
316 NULL, /* postconfiguration */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
317
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
318 NULL, /* create main configuration */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
319 NULL, /* init main configuration */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
320
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
321 NULL, /* create server configuration */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
322 NULL, /* merge server configuration */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
323
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
324 ngx_http_mp4_create_conf, /* create location configuration */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
325 ngx_http_mp4_merge_conf /* merge location configuration */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
326 };
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
327
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
328
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
329 ngx_module_t ngx_http_mp4_module = {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
330 NGX_MODULE_V1,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
331 &ngx_http_mp4_module_ctx, /* module context */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
332 ngx_http_mp4_commands, /* module directives */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
333 NGX_HTTP_MODULE, /* module type */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
334 NULL, /* init master */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
335 NULL, /* init module */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
336 NULL, /* init process */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
337 NULL, /* init thread */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
338 NULL, /* exit thread */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
339 NULL, /* exit process */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
340 NULL, /* exit master */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
341 NGX_MODULE_V1_PADDING
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
342 };
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
343
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
344
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
345 static ngx_http_mp4_atom_handler_t ngx_http_mp4_atoms[] = {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
346 { "ftyp", ngx_http_mp4_read_ftyp_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
347 { "moov", ngx_http_mp4_read_moov_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
348 { "mdat", ngx_http_mp4_read_mdat_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
349 { NULL, NULL }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
350 };
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
351
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
352 static ngx_http_mp4_atom_handler_t ngx_http_mp4_moov_atoms[] = {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
353 { "mvhd", ngx_http_mp4_read_mvhd_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
354 { "trak", ngx_http_mp4_read_trak_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
355 { "cmov", ngx_http_mp4_read_cmov_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
356 { NULL, NULL }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
357 };
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
358
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
359 static ngx_http_mp4_atom_handler_t ngx_http_mp4_trak_atoms[] = {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
360 { "tkhd", ngx_http_mp4_read_tkhd_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
361 { "mdia", ngx_http_mp4_read_mdia_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
362 { NULL, NULL }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
363 };
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
364
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
365 static ngx_http_mp4_atom_handler_t ngx_http_mp4_mdia_atoms[] = {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
366 { "mdhd", ngx_http_mp4_read_mdhd_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
367 { "hdlr", ngx_http_mp4_read_hdlr_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
368 { "minf", ngx_http_mp4_read_minf_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
369 { NULL, NULL }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
370 };
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
371
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
372 static ngx_http_mp4_atom_handler_t ngx_http_mp4_minf_atoms[] = {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
373 { "vmhd", ngx_http_mp4_read_vmhd_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
374 { "smhd", ngx_http_mp4_read_smhd_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
375 { "dinf", ngx_http_mp4_read_dinf_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
376 { "stbl", ngx_http_mp4_read_stbl_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
377 { NULL, NULL }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
378 };
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
379
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
380 static ngx_http_mp4_atom_handler_t ngx_http_mp4_stbl_atoms[] = {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
381 { "stsd", ngx_http_mp4_read_stsd_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
382 { "stts", ngx_http_mp4_read_stts_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
383 { "stss", ngx_http_mp4_read_stss_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
384 { "ctts", ngx_http_mp4_read_ctts_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
385 { "stsc", ngx_http_mp4_read_stsc_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
386 { "stsz", ngx_http_mp4_read_stsz_atom },
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
387 { "stco", ngx_http_mp4_read_stco_atom },
640
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
388 { "co64", ngx_http_mp4_read_co64_atom },
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
389 { NULL, NULL }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
390 };
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
391
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
392
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
393 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
394 ngx_http_mp4_handler(ngx_http_request_t *r)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
395 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
396 u_char *last;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
397 size_t root;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
398 ngx_int_t rc, start;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
399 ngx_uint_t level;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
400 ngx_str_t path, value;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
401 ngx_log_t *log;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
402 ngx_buf_t *b;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
403 ngx_chain_t out;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
404 ngx_http_mp4_file_t *mp4;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
405 ngx_open_file_info_t of;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
406 ngx_http_core_loc_conf_t *clcf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
407
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
408 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
409 return NGX_HTTP_NOT_ALLOWED;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
410 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
411
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
412 if (r->uri.data[r->uri.len - 1] == '/') {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
413 return NGX_DECLINED;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
414 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
415
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
416 rc = ngx_http_discard_request_body(r);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
417
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
418 if (rc != NGX_OK) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
419 return rc;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
420 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
421
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
422 last = ngx_http_map_uri_to_path(r, &path, &root, 0);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
423 if (last == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
424 return NGX_HTTP_INTERNAL_SERVER_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
425 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
426
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
427 log = r->connection->log;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
428
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
429 path.len = last - path.data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
430
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
431 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
432 "http mp4 filename: \"%V\"", &path);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
433
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
434 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
435
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
436 ngx_memzero(&of, sizeof(ngx_open_file_info_t));
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
437
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
438 of.read_ahead = clcf->read_ahead;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
439 of.directio = NGX_MAX_OFF_T_VALUE;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
440 of.valid = clcf->open_file_cache_valid;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
441 of.min_uses = clcf->open_file_cache_min_uses;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
442 of.errors = clcf->open_file_cache_errors;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
443 of.events = clcf->open_file_cache_events;
664
f5b859b2f097 nginx 1.1.16
Igor Sysoev <http://sysoev.ru>
parents: 662
diff changeset
444
f5b859b2f097 nginx 1.1.16
Igor Sysoev <http://sysoev.ru>
parents: 662
diff changeset
445 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) {
f5b859b2f097 nginx 1.1.16
Igor Sysoev <http://sysoev.ru>
parents: 662
diff changeset
446 return NGX_HTTP_INTERNAL_SERVER_ERROR;
f5b859b2f097 nginx 1.1.16
Igor Sysoev <http://sysoev.ru>
parents: 662
diff changeset
447 }
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
448
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
449 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
450 != NGX_OK)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
451 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
452 switch (of.err) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
453
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
454 case 0:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
455 return NGX_HTTP_INTERNAL_SERVER_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
456
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
457 case NGX_ENOENT:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
458 case NGX_ENOTDIR:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
459 case NGX_ENAMETOOLONG:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
460
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
461 level = NGX_LOG_ERR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
462 rc = NGX_HTTP_NOT_FOUND;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
463 break;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
464
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
465 case NGX_EACCES:
662
e5fa0a4a7d27 nginx 1.1.15
Igor Sysoev <http://sysoev.ru>
parents: 660
diff changeset
466 #if (NGX_HAVE_OPENAT)
e5fa0a4a7d27 nginx 1.1.15
Igor Sysoev <http://sysoev.ru>
parents: 660
diff changeset
467 case NGX_EMLINK:
e5fa0a4a7d27 nginx 1.1.15
Igor Sysoev <http://sysoev.ru>
parents: 660
diff changeset
468 case NGX_ELOOP:
e5fa0a4a7d27 nginx 1.1.15
Igor Sysoev <http://sysoev.ru>
parents: 660
diff changeset
469 #endif
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
470
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
471 level = NGX_LOG_ERR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
472 rc = NGX_HTTP_FORBIDDEN;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
473 break;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
474
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
475 default:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
476
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
477 level = NGX_LOG_CRIT;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
478 rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
479 break;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
480 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
481
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
482 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
483 ngx_log_error(level, log, of.err,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
484 "%s \"%s\" failed", of.failed, path.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
485 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
486
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
487 return rc;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
488 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
489
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
490 if (!of.is_file) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
491
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
492 if (ngx_close_file(of.fd) == NGX_FILE_ERROR) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
493 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
494 ngx_close_file_n " \"%s\" failed", path.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
495 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
496
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
497 return NGX_DECLINED;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
498 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
499
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
500 r->root_tested = !r->error_page;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
501 r->allow_ranges = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
502
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
503 start = -1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
504 r->headers_out.content_length_n = of.size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
505 mp4 = NULL;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
506 b = NULL;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
507
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
508 if (r->args.len) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
509
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
510 if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
511
642
d3cf6c6b0043 nginx 1.1.5
Igor Sysoev <http://sysoev.ru>
parents: 640
diff changeset
512 /*
d3cf6c6b0043 nginx 1.1.5
Igor Sysoev <http://sysoev.ru>
parents: 640
diff changeset
513 * A Flash player may send start value with a lot of digits
d3cf6c6b0043 nginx 1.1.5
Igor Sysoev <http://sysoev.ru>
parents: 640
diff changeset
514 * after dot so strtod() is used instead of atofp(). NaNs and
d3cf6c6b0043 nginx 1.1.5
Igor Sysoev <http://sysoev.ru>
parents: 640
diff changeset
515 * infinities become negative numbers after (int) conversion.
d3cf6c6b0043 nginx 1.1.5
Igor Sysoev <http://sysoev.ru>
parents: 640
diff changeset
516 */
d3cf6c6b0043 nginx 1.1.5
Igor Sysoev <http://sysoev.ru>
parents: 640
diff changeset
517
d3cf6c6b0043 nginx 1.1.5
Igor Sysoev <http://sysoev.ru>
parents: 640
diff changeset
518 ngx_set_errno(0);
d3cf6c6b0043 nginx 1.1.5
Igor Sysoev <http://sysoev.ru>
parents: 640
diff changeset
519 start = (int) (strtod((char *) value.data, NULL) * 1000);
d3cf6c6b0043 nginx 1.1.5
Igor Sysoev <http://sysoev.ru>
parents: 640
diff changeset
520
d3cf6c6b0043 nginx 1.1.5
Igor Sysoev <http://sysoev.ru>
parents: 640
diff changeset
521 if (ngx_errno == 0 && start >= 0) {
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
522 r->allow_ranges = 0;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
523
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
524 mp4 = ngx_pcalloc(r->pool, sizeof(ngx_http_mp4_file_t));
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
525 if (mp4 == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
526 return NGX_HTTP_INTERNAL_SERVER_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
527 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
528
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
529 mp4->file.fd = of.fd;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
530 mp4->file.name = path;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
531 mp4->file.log = r->connection->log;;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
532 mp4->end = of.size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
533 mp4->start = (ngx_uint_t) start;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
534 mp4->request = r;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
535
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
536 switch (ngx_http_mp4_process(mp4)) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
537
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
538 case NGX_DECLINED:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
539 if (mp4->buffer) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
540 ngx_pfree(r->pool, mp4->buffer);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
541 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
542
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
543 ngx_pfree(r->pool, mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
544 mp4 = NULL;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
545
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
546 break;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
547
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
548 case NGX_OK:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
549 r->headers_out.content_length_n = mp4->content_length;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
550 break;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
551
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
552 default: /* NGX_ERROR */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
553 if (mp4->buffer) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
554 ngx_pfree(r->pool, mp4->buffer);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
555 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
556
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
557 ngx_pfree(r->pool, mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
558
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
559 return NGX_HTTP_INTERNAL_SERVER_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
560 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
561 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
562 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
563 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
564
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
565 log->action = "sending mp4 to client";
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
566
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
567 if (clcf->directio <= of.size) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
568
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
569 /*
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
570 * DIRECTIO is set on transfer only
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
571 * to allow kernel to cache "moov" atom
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
572 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
573
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
574 if (ngx_directio_on(of.fd) == NGX_FILE_ERROR) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
575 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
576 ngx_directio_on_n " \"%s\" failed", path.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
577 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
578
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
579 of.is_directio = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
580
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
581 if (mp4) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
582 mp4->file.directio = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
583 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
584 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
585
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
586 r->headers_out.status = NGX_HTTP_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
587 r->headers_out.last_modified_time = of.mtime;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
588
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
589 if (ngx_http_set_content_type(r) != NGX_OK) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
590 return NGX_HTTP_INTERNAL_SERVER_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
591 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
592
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
593 if (mp4 == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
594 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
595 if (b == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
596 return NGX_HTTP_INTERNAL_SERVER_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
597 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
598
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
599 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t));
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
600 if (b->file == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
601 return NGX_HTTP_INTERNAL_SERVER_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
602 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
603 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
604
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
605 rc = ngx_http_send_header(r);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
606
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
607 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
608 return rc;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
609 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
610
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
611 if (mp4) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
612 return ngx_http_output_filter(r, mp4->out);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
613 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
614
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
615 b->file_pos = 0;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
616 b->file_last = of.size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
617
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
618 b->in_file = b->file_last ? 1 : 0;
674
4dcaf40cc702 nginx 1.3.0
Igor Sysoev <http://sysoev.ru>
parents: 670
diff changeset
619 b->last_buf = (r == r->main) ? 1 : 0;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
620 b->last_in_chain = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
621
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
622 b->file->fd = of.fd;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
623 b->file->name = path;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
624 b->file->log = log;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
625 b->file->directio = of.is_directio;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
626
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
627 out.buf = b;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
628 out.next = NULL;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
629
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
630 return ngx_http_output_filter(r, &out);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
631 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
632
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
633
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
634 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
635 ngx_http_mp4_process(ngx_http_mp4_file_t *mp4)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
636 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
637 off_t start_offset, adjustment;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
638 ngx_int_t rc;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
639 ngx_uint_t i, j;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
640 ngx_chain_t **prev;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
641 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
642 ngx_http_mp4_conf_t *conf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
643
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
644 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
645 "mp4 start:%ui", mp4->start);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
646
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
647 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
648
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
649 mp4->buffer_size = conf->buffer_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
650
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
651 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_atoms, mp4->end);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
652 if (rc != NGX_OK) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
653 return rc;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
654 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
655
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
656 if (mp4->trak.nelts == 0) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
657 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
658 "no mp4 trak atoms were found in \"%s\"",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
659 mp4->file.name.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
660 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
661 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
662
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
663 if (mp4->mdat_atom.buf == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
664 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
665 "no mp4 mdat atom was found in \"%s\"",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
666 mp4->file.name.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
667 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
668 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
669
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
670 prev = &mp4->out;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
671
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
672 if (mp4->ftyp_atom.buf) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
673 *prev = &mp4->ftyp_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
674 prev = &mp4->ftyp_atom.next;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
675 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
676
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
677 *prev = &mp4->moov_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
678 prev = &mp4->moov_atom.next;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
679
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
680 if (mp4->mvhd_atom.buf) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
681 mp4->moov_size += mp4->mvhd_atom_buf.last - mp4->mvhd_atom_buf.pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
682 *prev = &mp4->mvhd_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
683 prev = &mp4->mvhd_atom.next;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
684 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
685
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
686 start_offset = mp4->end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
687 trak = mp4->trak.elts;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
688
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
689 for (i = 0; i < mp4->trak.nelts; i++) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
690
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
691 if (ngx_http_mp4_update_stts_atom(mp4, &trak[i]) != NGX_OK) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
692 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
693 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
694
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
695 if (ngx_http_mp4_update_stss_atom(mp4, &trak[i]) != NGX_OK) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
696 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
697 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
698
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
699 ngx_http_mp4_update_ctts_atom(mp4, &trak[i]);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
700
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
701 if (ngx_http_mp4_update_stsc_atom(mp4, &trak[i]) != NGX_OK) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
702 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
703 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
704
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
705 if (ngx_http_mp4_update_stsz_atom(mp4, &trak[i]) != NGX_OK) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
706 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
707 }
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
708
640
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
709 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
710 if (ngx_http_mp4_update_co64_atom(mp4, &trak[i]) != NGX_OK) {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
711 return NGX_ERROR;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
712 }
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
713
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
714 } else {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
715 if (ngx_http_mp4_update_stco_atom(mp4, &trak[i]) != NGX_OK) {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
716 return NGX_ERROR;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
717 }
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
718 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
719
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
720 ngx_http_mp4_update_stbl_atom(mp4, &trak[i]);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
721 ngx_http_mp4_update_minf_atom(mp4, &trak[i]);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
722 trak[i].size += trak[i].mdhd_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
723 trak[i].size += trak[i].hdlr_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
724 ngx_http_mp4_update_mdia_atom(mp4, &trak[i]);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
725 trak[i].size += trak[i].tkhd_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
726 ngx_http_mp4_update_trak_atom(mp4, &trak[i]);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
727
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
728 mp4->moov_size += trak[i].size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
729
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
730 if (start_offset > trak[i].start_offset) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
731 start_offset = trak[i].start_offset;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
732 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
733
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
734 *prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
735 prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM].next;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
736
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
737 for (j = 0; j < NGX_HTTP_MP4_LAST_ATOM + 1; j++) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
738 if (trak[i].out[j].buf) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
739 *prev = &trak[i].out[j];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
740 prev = &trak[i].out[j].next;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
741 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
742 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
743 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
744
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
745 mp4->moov_size += 8;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
746
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
747 ngx_mp4_set_32value(mp4->moov_atom_header, mp4->moov_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
748 ngx_mp4_set_atom_name(mp4->moov_atom_header, 'm', 'o', 'o', 'v');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
749 mp4->content_length += mp4->moov_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
750
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
751 *prev = &mp4->mdat_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
752
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
753 adjustment = mp4->ftyp_size + mp4->moov_size
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
754 + ngx_http_mp4_update_mdat_atom(mp4, start_offset)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
755 - start_offset;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
756
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
757 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
758 "mp4 adjustment:%O", adjustment);
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
759
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
760 for (i = 0; i < mp4->trak.nelts; i++) {
640
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
761 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
762 ngx_http_mp4_adjust_co64_atom(mp4, &trak[i], adjustment);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
763 } else {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
764 ngx_http_mp4_adjust_stco_atom(mp4, &trak[i], (int32_t) adjustment);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
765 }
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
766 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
767
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
768 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
769 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
770
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
771
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
772 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
773 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
774 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
775 } ngx_mp4_atom_header_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
776
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
777 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
778 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
779 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
780 u_char size64[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
781 } ngx_mp4_atom_header64_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
782
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
783
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
784 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
785 ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
786 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
787 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
788 off_t end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
789 size_t atom_header_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
790 u_char *atom_header, *atom_name;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
791 uint64_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
792 ngx_int_t rc;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
793 ngx_uint_t n;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
794
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
795 end = mp4->offset + atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
796
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
797 while (mp4->offset < end) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
798
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
799 if (ngx_http_mp4_read(mp4, sizeof(uint32_t)) != NGX_OK) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
800 return NGX_ERROR;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
801 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
802
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
803 atom_header = mp4->buffer_pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
804 atom_size = ngx_mp4_get_32value(atom_header);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
805 atom_header_size = sizeof(ngx_mp4_atom_header_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
806
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
807 if (atom_size == 0) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
808 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
809 "mp4 atom end");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
810 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
811 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
812
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
813 if (atom_size < sizeof(ngx_mp4_atom_header_t)) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
814
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
815 if (atom_size == 1) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
816
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
817 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header64_t))
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
818 != NGX_OK)
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
819 {
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
820 return NGX_ERROR;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
821 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
822
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
823 /* 64-bit atom size */
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
824 atom_header = mp4->buffer_pos;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
825 atom_size = ngx_mp4_get_64value(atom_header + 8);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
826 atom_header_size = sizeof(ngx_mp4_atom_header64_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
827
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
828 } else {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
829 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
830 "\"%s\" mp4 atom is too small:%uL",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
831 mp4->file.name.data, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
832 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
833 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
834 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
835
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
836 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header_t)) != NGX_OK) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
837 return NGX_ERROR;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
838 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
839
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
840 atom_header = mp4->buffer_pos;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
841 atom_name = atom_header + sizeof(uint32_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
842
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
843 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
844 "mp4 atom: %*s @%O:%uL",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
845 4, atom_name, mp4->offset, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
846
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
847 if (atom_size > (uint64_t) (NGX_MAX_OFF_T_VALUE - mp4->offset)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
848 || mp4->offset + (off_t) atom_size > end)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
849 {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
850 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
851 "\"%s\" mp4 atom too large:%uL",
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
852 mp4->file.name.data, atom_size);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
853 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
854 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
855
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
856 for (n = 0; atom[n].name; n++) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
857
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
858 if (ngx_strncmp(atom_name, atom[n].name, 4) == 0) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
859
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
860 ngx_mp4_atom_next(mp4, atom_header_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
861
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
862 rc = atom[n].handler(mp4, atom_size - atom_header_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
863 if (rc != NGX_OK) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
864 return rc;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
865 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
866
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
867 goto next;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
868 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
869 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
870
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
871 ngx_mp4_atom_next(mp4, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
872
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
873 next:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
874 continue;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
875 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
876
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
877 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
878 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
879
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
880
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
881 static ngx_int_t
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
882 ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size)
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
883 {
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
884 ssize_t n;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
885
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
886 if (mp4->buffer_pos + size <= mp4->buffer_end) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
887 return NGX_OK;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
888 }
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
889
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
890 if (mp4->offset + (off_t) mp4->buffer_size > mp4->end) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
891 mp4->buffer_size = (size_t) (mp4->end - mp4->offset);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
892 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
893
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
894 if (mp4->buffer_size < size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
895 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
896 "\"%s\" mp4 file truncated", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
897 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
898 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
899
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
900 if (mp4->buffer == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
901 mp4->buffer = ngx_palloc(mp4->request->pool, mp4->buffer_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
902 if (mp4->buffer == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
903 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
904 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
905
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
906 mp4->buffer_start = mp4->buffer;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
907 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
908
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
909 n = ngx_read_file(&mp4->file, mp4->buffer_start, mp4->buffer_size,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
910 mp4->offset);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
911
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
912 if (n == NGX_ERROR) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
913 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
914 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
915
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
916 if ((size_t) n != mp4->buffer_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
917 ngx_log_error(NGX_LOG_CRIT, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
918 ngx_read_file_n " read only %z of %z from \"%s\"",
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
919 n, mp4->buffer_size, mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
920 return NGX_ERROR;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
921 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
922
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
923 mp4->buffer_pos = mp4->buffer_start;
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
924 mp4->buffer_end = mp4->buffer_start + mp4->buffer_size;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
925
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
926 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
927 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
928
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
929
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
930 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
931 ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
932 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
933 u_char *ftyp_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
934 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
935 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
936
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
937 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ftyp atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
938
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
939 if (atom_data_size > 1024
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
940 || ngx_mp4_atom_data(mp4) + atom_data_size > mp4->buffer_end)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
941 {
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
942 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
943 "\"%s\" mp4 ftyp atom is too large:%uL",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
944 mp4->file.name.data, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
945 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
946 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
947
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
948 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
949
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
950 ftyp_atom = ngx_palloc(mp4->request->pool, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
951 if (ftyp_atom == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
952 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
953 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
954
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
955 ngx_mp4_set_32value(ftyp_atom, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
956 ngx_mp4_set_atom_name(ftyp_atom, 'f', 't', 'y', 'p');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
957
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
958 /*
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
959 * only moov atom content is guaranteed to be in mp4->buffer
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
960 * during sending response, so ftyp atom content should be copied
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
961 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
962 ngx_memcpy(ftyp_atom + sizeof(ngx_mp4_atom_header_t),
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
963 ngx_mp4_atom_data(mp4), (size_t) atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
964
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
965 atom = &mp4->ftyp_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
966 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
967 atom->pos = ftyp_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
968 atom->last = ftyp_atom + atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
969
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
970 mp4->ftyp_atom.buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
971 mp4->ftyp_size = atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
972 mp4->content_length = atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
973
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
974 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
975
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
976 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
977 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
978
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
979
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
980 /*
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
981 * Small excess buffer to process atoms after moov atom, mp4->buffer_start
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
982 * will be set to this buffer part after moov atom processing.
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
983 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
984 #define NGX_HTTP_MP4_MOOV_BUFFER_EXCESS (4 * 1024)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
985
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
986 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
987 ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
988 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
989 ngx_int_t rc;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
990 ngx_uint_t no_mdat;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
991 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
992 ngx_http_mp4_conf_t *conf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
993
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
994 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
995
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
996 no_mdat = (mp4->mdat_atom.buf == NULL);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
997
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
998 if (no_mdat && mp4->start == 0) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
999 /*
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1000 * send original file if moov atom resides before
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1001 * mdat atom and client requests integral file
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1002 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1003 return NGX_DECLINED;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1004 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1005
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1006 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1007
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1008 if (atom_data_size > mp4->buffer_size) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1009
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1010 if (atom_data_size > conf->max_buffer_size) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1011 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1012 "\"%s\" mp4 moov atom is too large:%uL, "
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1013 "you may want to increase mp4_max_buffer_size",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1014 mp4->file.name.data, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1015 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1016 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1017
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1018 ngx_pfree(mp4->request->pool, mp4->buffer);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1019 mp4->buffer = NULL;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1020 mp4->buffer_pos = NULL;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1021 mp4->buffer_end = NULL;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1022
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1023 mp4->buffer_size = (size_t) atom_data_size
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1024 + NGX_HTTP_MP4_MOOV_BUFFER_EXCESS * no_mdat;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1025 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1026
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1027 mp4->trak.elts = &mp4->traks;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1028 mp4->trak.size = sizeof(ngx_http_mp4_trak_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1029 mp4->trak.nalloc = 2;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1030 mp4->trak.pool = mp4->request->pool;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1031
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1032 atom = &mp4->moov_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1033 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1034 atom->pos = mp4->moov_atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1035 atom->last = mp4->moov_atom_header + 8;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1036
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1037 mp4->moov_atom.buf = &mp4->moov_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1038
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1039 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_moov_atoms, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1040
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1041 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom done");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1042
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1043 if (no_mdat) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1044 mp4->buffer_start = mp4->buffer_pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1045 mp4->buffer_size = NGX_HTTP_MP4_MOOV_BUFFER_EXCESS;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1046
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1047 } else {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1048 /* skip atoms after moov atom */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1049 mp4->offset = mp4->end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1050 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1051
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1052 return rc;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1053 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1054
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1055
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1056 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1057 ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1058 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1059 ngx_buf_t *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1060
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1061 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdat atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1062
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1063 data = &mp4->mdat_data_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1064 data->file = &mp4->file;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1065 data->in_file = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1066 data->last_buf = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1067 data->last_in_chain = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1068 data->file_last = mp4->offset + atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1069
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1070 mp4->mdat_atom.buf = &mp4->mdat_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1071 mp4->mdat_atom.next = &mp4->mdat_data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1072 mp4->mdat_data.buf = data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1073
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1074 if (mp4->trak.nelts) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1075 /* skip atoms after mdat atom */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1076 mp4->offset = mp4->end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1077
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1078 } else {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1079 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1080 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1081
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1082 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1083 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1084
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1085
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1086 static size_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1087 ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, off_t start_offset)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1088 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1089 off_t atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1090 u_char *atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1091 uint32_t atom_header_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1092 uint64_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1093 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1094
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1095 atom_data_size = mp4->mdat_data.buf->file_last - start_offset;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1096 mp4->mdat_data.buf->file_pos = start_offset;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1097
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1098 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1099 "mdat new offset @%O:%O", start_offset, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1100
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1101 atom_header = mp4->mdat_atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1102
642
d3cf6c6b0043 nginx 1.1.5
Igor Sysoev <http://sysoev.ru>
parents: 640
diff changeset
1103 if ((uint64_t) atom_data_size > 0xffffffff) {
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1104 atom_size = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1105 atom_header_size = sizeof(ngx_mp4_atom_header64_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1106 ngx_mp4_set_64value(atom_header + sizeof(ngx_mp4_atom_header_t),
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1107 sizeof(ngx_mp4_atom_header64_t) + atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1108 } else {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1109 atom_size = sizeof(ngx_mp4_atom_header_t) + atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1110 atom_header_size = sizeof(ngx_mp4_atom_header_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1111 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1112
648
f200748c0ac8 nginx 1.1.8
Igor Sysoev <http://sysoev.ru>
parents: 644
diff changeset
1113 mp4->content_length += atom_header_size + atom_data_size;
f200748c0ac8 nginx 1.1.8
Igor Sysoev <http://sysoev.ru>
parents: 644
diff changeset
1114
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1115 ngx_mp4_set_32value(atom_header, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1116 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'a', 't');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1117
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1118 atom = &mp4->mdat_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1119 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1120 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1121 atom->last = atom_header + atom_header_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1122
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1123 return atom_header_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1124 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1125
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1126
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1127 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1128 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1129 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1130 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1131 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1132 u_char creation_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1133 u_char modification_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1134 u_char timescale[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1135 u_char duration[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1136 u_char rate[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1137 u_char volume[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1138 u_char reserved[10];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1139 u_char matrix[36];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1140 u_char preview_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1141 u_char preview_duration[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1142 u_char poster_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1143 u_char selection_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1144 u_char selection_duration[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1145 u_char current_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1146 u_char next_track_id[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1147 } ngx_mp4_mvhd_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1148
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1149 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1150 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1151 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1152 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1153 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1154 u_char creation_time[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1155 u_char modification_time[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1156 u_char timescale[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1157 u_char duration[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1158 u_char rate[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1159 u_char volume[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1160 u_char reserved[10];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1161 u_char matrix[36];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1162 u_char preview_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1163 u_char preview_duration[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1164 u_char poster_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1165 u_char selection_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1166 u_char selection_duration[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1167 u_char current_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1168 u_char next_track_id[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1169 } ngx_mp4_mvhd64_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1170
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1171
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1172 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1173 ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1174 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1175 u_char *atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1176 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1177 uint32_t timescale;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1178 uint64_t duration;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1179 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1180 ngx_mp4_mvhd_atom_t *mvhd_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1181 ngx_mp4_mvhd64_atom_t *mvhd64_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1182
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1183 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mvhd atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1184
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1185 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1186 mvhd_atom = (ngx_mp4_mvhd_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1187 mvhd64_atom = (ngx_mp4_mvhd64_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1188 ngx_mp4_set_atom_name(atom_header, 'm', 'v', 'h', 'd');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1189
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1190 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1191 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1192 "\"%s\" mp4 mvhd atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1193 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1194 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1195
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1196 if (mvhd_atom->version[0] == 0) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1197 /* version 0: 32-bit duration */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1198 timescale = ngx_mp4_get_32value(mvhd_atom->timescale);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1199 duration = ngx_mp4_get_32value(mvhd_atom->duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1200
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1201 } else {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1202 /* version 1: 64-bit duration */
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1203
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1204 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd64_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1205 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1206 "\"%s\" mp4 mvhd atom too small",
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1207 mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1208 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1209 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1210
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1211 timescale = ngx_mp4_get_32value(mvhd64_atom->timescale);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1212 duration = ngx_mp4_get_64value(mvhd64_atom->duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1213 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1214
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1215 mp4->timescale = timescale;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1216
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1217 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1218 "mvhd timescale:%uD, duration:%uL, time:%.3fs",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1219 timescale, duration, (double) duration / timescale);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1220
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1221 duration -= (uint64_t) mp4->start * timescale / 1000;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1222
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1223 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1224 "mvhd new duration:%uL, time:%.3fs",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1225 duration, (double) duration / timescale);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1226
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1227 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1228 ngx_mp4_set_32value(mvhd_atom->size, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1229
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1230 if (mvhd_atom->version[0] == 0) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1231 ngx_mp4_set_32value(mvhd_atom->duration, duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1232
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1233 } else {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1234 ngx_mp4_set_64value(mvhd64_atom->duration, duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1235 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1236
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1237 atom = &mp4->mvhd_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1238 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1239 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1240 atom->last = atom_header + atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1241
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1242 mp4->mvhd_atom.buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1243
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1244 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1245
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1246 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1247 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1248
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1249
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1250 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1251 ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1252 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1253 u_char *atom_header, *atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1254 off_t atom_file_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1255 ngx_int_t rc;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1256 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1257 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1258
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1259 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 trak atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1260
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1261 trak = ngx_array_push(&mp4->trak);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1262 if (trak == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1263 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1264 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1265
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1266 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t));
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1267
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1268 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1269 ngx_mp4_set_atom_name(atom_header, 't', 'r', 'a', 'k');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1270
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1271 atom = &trak->trak_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1272 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1273 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1274 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1275
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1276 trak->out[NGX_HTTP_MP4_TRAK_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1277
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1278 atom_end = mp4->buffer_pos + atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1279 atom_file_end = mp4->offset + atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1280
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1281 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_trak_atoms, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1282
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1283 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1284 "mp4 trak atom: %i", rc);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1285
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1286 if (rc == NGX_DECLINED) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1287 /* skip this trak */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1288 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t));
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1289 mp4->trak.nelts--;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1290 mp4->buffer_pos = atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1291 mp4->offset = atom_file_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1292 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1293 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1294
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1295 return rc;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1296 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1297
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1298
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1299 static void
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1300 ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1301 ngx_http_mp4_trak_t *trak)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1302 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1303 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1304
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1305 trak->size += sizeof(ngx_mp4_atom_header_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1306 atom = &trak->trak_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1307 ngx_mp4_set_32value(atom->pos, trak->size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1308 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1309
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1310
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1311 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1312 ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1313 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1314 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1315 "\"%s\" mp4 compressed moov atom (cmov) is not supported",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1316 mp4->file.name.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1317
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1318 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1319 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1320
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1321
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1322 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1323 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1324 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1325 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1326 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1327 u_char creation_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1328 u_char modification_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1329 u_char track_id[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1330 u_char reserved1[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1331 u_char duration[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1332 u_char reserved2[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1333 u_char layer[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1334 u_char group[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1335 u_char volume[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1336 u_char reverved3[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1337 u_char matrix[36];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1338 u_char width[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1339 u_char heigth[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1340 } ngx_mp4_tkhd_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1341
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1342 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1343 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1344 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1345 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1346 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1347 u_char creation_time[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1348 u_char modification_time[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1349 u_char track_id[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1350 u_char reserved1[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1351 u_char duration[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1352 u_char reserved2[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1353 u_char layer[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1354 u_char group[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1355 u_char volume[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1356 u_char reverved3[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1357 u_char matrix[36];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1358 u_char width[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1359 u_char heigth[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1360 } ngx_mp4_tkhd64_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1361
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1362
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1363 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1364 ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1365 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1366 u_char *atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1367 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1368 uint64_t duration;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1369 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1370 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1371 ngx_mp4_tkhd_atom_t *tkhd_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1372 ngx_mp4_tkhd64_atom_t *tkhd64_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1373
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1374 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 tkhd atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1375
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1376 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1377 tkhd_atom = (ngx_mp4_tkhd_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1378 tkhd64_atom = (ngx_mp4_tkhd64_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1379 ngx_mp4_set_atom_name(tkhd_atom, 't', 'k', 'h', 'd');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1380
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1381 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1382 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1383 "\"%s\" mp4 tkhd atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1384 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1385 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1386
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1387 if (tkhd_atom->version[0] == 0) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1388 /* version 0: 32-bit duration */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1389 duration = ngx_mp4_get_32value(tkhd_atom->duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1390
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1391 } else {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1392 /* version 1: 64-bit duration */
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1393
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1394 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd64_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1395 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1396 "\"%s\" mp4 tkhd atom too small",
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1397 mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1398 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1399 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1400
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1401 duration = ngx_mp4_get_64value(tkhd64_atom->duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1402 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1403
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1404 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1405 "tkhd duration:%uL, time:%.3fs",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1406 duration, (double) duration / mp4->timescale);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1407
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1408 duration -= (uint64_t) mp4->start * mp4->timescale / 1000;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1409
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1410 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1411 "tkhd new duration:%uL, time:%.3fs",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1412 duration, (double) duration / mp4->timescale);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1413
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1414 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1415
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1416 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1417 trak->tkhd_size = atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1418
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1419 ngx_mp4_set_32value(tkhd_atom->size, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1420
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1421 if (tkhd_atom->version[0] == 0) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1422 ngx_mp4_set_32value(tkhd_atom->duration, duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1423
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1424 } else {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1425 ngx_mp4_set_64value(tkhd64_atom->duration, duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1426 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1427
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1428 atom = &trak->tkhd_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1429 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1430 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1431 atom->last = atom_header + atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1432
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1433 trak->out[NGX_HTTP_MP4_TKHD_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1434
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1435 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1436
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1437 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1438 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1439
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1440
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1441 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1442 ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1443 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1444 u_char *atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1445 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1446 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1447
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1448 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process mdia atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1449
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1450 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1451 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'i', 'a');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1452
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1453 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1454
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1455 atom = &trak->mdia_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1456 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1457 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1458 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1459
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1460 trak->out[NGX_HTTP_MP4_MDIA_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1461
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1462 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_mdia_atoms, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1463 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1464
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1465
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1466 static void
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1467 ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1468 ngx_http_mp4_trak_t *trak)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1469 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1470 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1471
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1472 trak->size += sizeof(ngx_mp4_atom_header_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1473 atom = &trak->mdia_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1474 ngx_mp4_set_32value(atom->pos, trak->size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1475 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1476
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1477
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1478 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1479 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1480 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1481 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1482 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1483 u_char creation_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1484 u_char modification_time[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1485 u_char timescale[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1486 u_char duration[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1487 u_char language[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1488 u_char quality[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1489 } ngx_mp4_mdhd_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1490
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1491 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1492 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1493 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1494 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1495 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1496 u_char creation_time[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1497 u_char modification_time[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1498 u_char timescale[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1499 u_char duration[8];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1500 u_char language[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1501 u_char quality[2];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1502 } ngx_mp4_mdhd64_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1503
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1504
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1505 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1506 ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1507 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1508 u_char *atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1509 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1510 uint32_t timescale;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1511 uint64_t duration;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1512 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1513 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1514 ngx_mp4_mdhd_atom_t *mdhd_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1515 ngx_mp4_mdhd64_atom_t *mdhd64_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1516
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1517 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdhd atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1518
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1519 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1520 mdhd_atom = (ngx_mp4_mdhd_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1521 mdhd64_atom = (ngx_mp4_mdhd64_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1522 ngx_mp4_set_atom_name(mdhd_atom, 'm', 'd', 'h', 'd');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1523
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1524 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1525 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1526 "\"%s\" mp4 mdhd atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1527 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1528 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1529
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1530 if (mdhd_atom->version[0] == 0) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1531 /* version 0: everything is 32-bit */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1532 timescale = ngx_mp4_get_32value(mdhd_atom->timescale);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1533 duration = ngx_mp4_get_32value(mdhd_atom->duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1534
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1535 } else {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1536 /* version 1: 64-bit duration and 32-bit timescale */
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1537
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1538 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd64_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1539 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1540 "\"%s\" mp4 mdhd atom too small",
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1541 mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1542 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1543 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1544
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1545 timescale = ngx_mp4_get_32value(mdhd64_atom->timescale);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1546 duration = ngx_mp4_get_64value(mdhd64_atom->duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1547 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1548
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1549 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1550 "mdhd timescale:%uD, duration:%uL, time:%.3fs",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1551 timescale, duration, (double) duration / timescale);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1552
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1553 duration -= (uint64_t) mp4->start * timescale / 1000;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1554
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1555 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1556 "mdhd new duration:%uL, time:%.3fs",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1557 duration, (double) duration / timescale);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1558
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1559 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1560
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1561 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1562 trak->mdhd_size = atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1563 trak->timescale = timescale;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1564
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1565 ngx_mp4_set_32value(mdhd_atom->size, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1566
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1567 if (mdhd_atom->version[0] == 0) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1568 ngx_mp4_set_32value(mdhd_atom->duration, duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1569
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1570 } else {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1571 ngx_mp4_set_64value(mdhd64_atom->duration, duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1572 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1573
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1574 atom = &trak->mdhd_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1575 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1576 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1577 atom->last = atom_header + atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1578
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1579 trak->out[NGX_HTTP_MP4_MDHD_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1580
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1581 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1582
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1583 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1584 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1585
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1586
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1587 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1588 ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1589 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1590 u_char *atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1591 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1592 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1593 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1594
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1595 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 hdlr atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1596
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1597 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1598 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1599 ngx_mp4_set_32value(atom_header, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1600 ngx_mp4_set_atom_name(atom_header, 'h', 'd', 'l', 'r');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1601
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1602 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1603
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1604 atom = &trak->hdlr_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1605 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1606 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1607 atom->last = atom_header + atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1608
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1609 trak->hdlr_size = atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1610 trak->out[NGX_HTTP_MP4_HDLR_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1611
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1612 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1613
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1614 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1615 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1616
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1617
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1618 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1619 ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1620 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1621 u_char *atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1622 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1623 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1624
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1625 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process minf atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1626
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1627 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1628 ngx_mp4_set_atom_name(atom_header, 'm', 'i', 'n', 'f');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1629
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1630 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1631
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1632 atom = &trak->minf_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1633 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1634 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1635 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1636
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1637 trak->out[NGX_HTTP_MP4_MINF_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1639 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_minf_atoms, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1640 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1641
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1642
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1643 static void
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1644 ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1645 ngx_http_mp4_trak_t *trak)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1646 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1647 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1648
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1649 trak->size += sizeof(ngx_mp4_atom_header_t)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1650 + trak->vmhd_size
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1651 + trak->smhd_size
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1652 + trak->dinf_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1653 atom = &trak->minf_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1654 ngx_mp4_set_32value(atom->pos, trak->size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1655 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1656
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1657
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1658 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1659 ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1660 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1661 u_char *atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1662 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1663 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1664 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1665
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1666 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 vmhd atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1667
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1668 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1669 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1670 ngx_mp4_set_32value(atom_header, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1671 ngx_mp4_set_atom_name(atom_header, 'v', 'm', 'h', 'd');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1672
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1673 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1674
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1675 atom = &trak->vmhd_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1676 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1677 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1678 atom->last = atom_header + atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1679
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1680 trak->vmhd_size += atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1681 trak->out[NGX_HTTP_MP4_VMHD_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1682
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1683 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1684
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1685 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1686 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1687
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1688
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1689 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1690 ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1691 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1692 u_char *atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1693 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1694 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1695 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1696
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1697 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 smhd atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1698
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1699 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1700 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1701 ngx_mp4_set_32value(atom_header, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1702 ngx_mp4_set_atom_name(atom_header, 's', 'm', 'h', 'd');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1703
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1704 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1705
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1706 atom = &trak->smhd_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1707 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1708 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1709 atom->last = atom_header + atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1710
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1711 trak->vmhd_size += atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1712 trak->out[NGX_HTTP_MP4_SMHD_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1713
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1714 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1715
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1716 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1717 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1718
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1719
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1720 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1721 ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1722 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1723 u_char *atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1724 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1725 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1726 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1727
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1728 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 dinf atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1729
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1730 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1731 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1732 ngx_mp4_set_32value(atom_header, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1733 ngx_mp4_set_atom_name(atom_header, 'd', 'i', 'n', 'f');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1734
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1735 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1736
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1737 atom = &trak->dinf_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1738 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1739 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1740 atom->last = atom_header + atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1741
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1742 trak->dinf_size += atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1743 trak->out[NGX_HTTP_MP4_DINF_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1744
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1745 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1746
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1747 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1748 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1749
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1750
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1751 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1752 ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1753 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1754 u_char *atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1755 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1756 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1757
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1758 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process stbl atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1759
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1760 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1761 ngx_mp4_set_atom_name(atom_header, 's', 't', 'b', 'l');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1762
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1763 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1764
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1765 atom = &trak->stbl_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1766 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1767 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1768 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1769
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1770 trak->out[NGX_HTTP_MP4_STBL_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1771
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1772 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_stbl_atoms, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1773 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1774
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1775
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1776 static void
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1777 ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1778 ngx_http_mp4_trak_t *trak)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1779 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1780 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1781
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1782 trak->size += sizeof(ngx_mp4_atom_header_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1783 atom = &trak->stbl_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1784 ngx_mp4_set_32value(atom->pos, trak->size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1785 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1786
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1787
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1788 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1789 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1790 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1791 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1792 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1793 u_char entries[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1794
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1795 u_char media_size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1796 u_char media_name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1797 } ngx_mp4_stsd_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1798
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1799
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1800 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1801 ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1802 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1803 u_char *atom_header, *atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1804 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1805 ngx_buf_t *atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1806 ngx_mp4_stsd_atom_t *stsd_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1807 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1808
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1809 /* sample description atom */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1810
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1811 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsd atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1812
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1813 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1814 stsd_atom = (ngx_mp4_stsd_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1815 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1816 atom_table = atom_header + atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1817 ngx_mp4_set_32value(stsd_atom->size, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1818 ngx_mp4_set_atom_name(stsd_atom, 's', 't', 's', 'd');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1819
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1820 if (ngx_mp4_atom_data_size(ngx_mp4_stsd_atom_t) > atom_data_size) {
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1821 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1822 "\"%s\" mp4 stsd atom too small", mp4->file.name.data);
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1823 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1824 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1825
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1826 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1827 "stsd entries:%uD, media:%*s",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1828 ngx_mp4_get_32value(stsd_atom->entries),
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1829 4, stsd_atom->media_name);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1830
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1831 /* supported media format: "avc1" (H.264) and "mp4a" (MPEG-4/AAC) */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1832
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1833 if (ngx_strncmp(stsd_atom->media_name, "avc1", 4) != 0
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1834 && ngx_strncmp(stsd_atom->media_name, "mp4a", 4) != 0)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1835 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1836 return NGX_DECLINED;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1837 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1838
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1839 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1840
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1841 atom = &trak->stsd_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1842 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1843 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1844 atom->last = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1845
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1846 trak->out[NGX_HTTP_MP4_STSD_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1847 trak->size += atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1848
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1849 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1850
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1851 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1852 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1853
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1854
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1855 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1856 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1857 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1858 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1859 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1860 u_char entries[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1861 } ngx_mp4_stts_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1862
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1863 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1864 u_char count[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1865 u_char duration[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1866 } ngx_mp4_stts_entry_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1867
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1868
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1869 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1870 ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1871 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1872 u_char *atom_header, *atom_table, *atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1873 uint32_t entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1874 ngx_buf_t *atom, *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1875 ngx_mp4_stts_atom_t *stts_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1876 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1877
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1878 /* time-to-sample atom */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1879
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1880 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stts atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1881
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1882 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1883 stts_atom = (ngx_mp4_stts_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1884 ngx_mp4_set_atom_name(stts_atom, 's', 't', 't', 's');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1885
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1886 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1887 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1888 "\"%s\" mp4 stts atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1889 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1890 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1891
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1892 entries = ngx_mp4_get_32value(stts_atom->entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1893
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1894 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1895 "mp4 time-to-sample entries:%uD", entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1896
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1897 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1898 + entries * sizeof(ngx_mp4_stts_entry_t) > atom_data_size)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1899 {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1900 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1901 "\"%s\" mp4 stts atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1902 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1903 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1904
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1905 atom_table = atom_header + sizeof(ngx_mp4_stts_atom_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1906 atom_end = atom_table + entries * sizeof(ngx_mp4_stts_entry_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1907
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1908 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1909 trak->time_to_sample_entries = entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1910
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1911 atom = &trak->stts_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1912 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1913 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1914 atom->last = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1915
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1916 data = &trak->stts_data_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1917 data->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1918 data->pos = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1919 data->last = atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1920
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1921 trak->out[NGX_HTTP_MP4_STTS_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1922 trak->out[NGX_HTTP_MP4_STTS_DATA].buf = data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1923
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1924 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1925
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1926 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1927 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1928
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1929
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1930 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1931 ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1932 ngx_http_mp4_trak_t *trak)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1933 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1934 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1935 uint32_t entries, count, duration;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1936 uint64_t start_time;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1937 ngx_buf_t *atom, *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1938 ngx_uint_t start_sample;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1939 ngx_mp4_stts_atom_t *stts_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1940 ngx_mp4_stts_entry_t *entry, *end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1941
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1942 /*
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1943 * mdia.minf.stbl.stts updating requires trak->timescale
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1944 * from mdia.mdhd atom which may reside after mdia.minf
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1945 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1946
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1947 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1948 "mp4 stts atom update");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1949
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1950 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1951
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1952 if (data == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1953 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1954 "no mp4 stts atoms were found in \"%s\"",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1955 mp4->file.name.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1956 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1957 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1958
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1959 entries = trak->time_to_sample_entries;
644
6f21ae02fb01 nginx 1.1.6
Igor Sysoev <http://sysoev.ru>
parents: 642
diff changeset
1960 start_time = (uint64_t) mp4->start * trak->timescale / 1000;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1961
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1962 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1963 "time-to-sample start_time:%uL", start_time);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1964
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1965 start_sample = 0;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1966 entry = (ngx_mp4_stts_entry_t *) data->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1967 end = (ngx_mp4_stts_entry_t *) data->last;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1968
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1969 while (entry < end) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1970 count = ngx_mp4_get_32value(entry->count);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1971 duration = ngx_mp4_get_32value(entry->duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1972
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1973 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1974 "count:%uD, duration:%uD", count, duration);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1975
650
4d05413aebad nginx 1.1.9
Igor Sysoev <http://sysoev.ru>
parents: 648
diff changeset
1976 if (start_time < (uint64_t) count * duration) {
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1977 start_sample += (ngx_uint_t) (start_time / duration);
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
1978 count -= (uint32_t) (start_time / duration);
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1979 ngx_mp4_set_32value(entry->count, count);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1980 goto found;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1981 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1982
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1983 start_sample += count;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1984 start_time -= count * duration;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1985 entries--;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1986 entry++;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1987 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1988
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1989 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1990 "start time is out mp4 stts samples in \"%s\"",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1991 mp4->file.name.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1992
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1993 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1994
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1995 found:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1996
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1997 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1998 "start_sample:%ui, new count:%uD", start_sample, count);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1999
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2000 trak->start_sample = start_sample;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2001
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2002 data->pos = (u_char *) entry;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2003 atom_size = sizeof(ngx_mp4_stts_atom_t) + (data->last - data->pos);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2004 trak->size += atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2005
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2006 atom = trak->out[NGX_HTTP_MP4_STTS_ATOM].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2007 stts_atom = (ngx_mp4_stts_atom_t *) atom->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2008 ngx_mp4_set_32value(stts_atom->size, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2009 ngx_mp4_set_32value(stts_atom->entries, entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2010
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2011 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2012 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2013
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2014
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2015 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2016 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2017 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2018 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2019 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2020 u_char entries[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2021 } ngx_http_mp4_stss_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2022
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2023
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2024 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2025 ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2026 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2027 u_char *atom_header, *atom_table, *atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2028 uint32_t entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2029 ngx_buf_t *atom, *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2030 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2031 ngx_http_mp4_stss_atom_t *stss_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2032
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2033 /* sync samples atom */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2034
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2035 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stss atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2036
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2037 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2038 stss_atom = (ngx_http_mp4_stss_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2039 ngx_mp4_set_atom_name(stss_atom, 's', 't', 's', 's');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2040
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2041 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2042 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2043 "\"%s\" mp4 stss atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2044 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2045 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2046
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2047 entries = ngx_mp4_get_32value(stss_atom->entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2048
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2049 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2050 "sync sample entries:%uD", entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2051
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2052 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2053 trak->sync_samples_entries = entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2054
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2055 atom_table = atom_header + sizeof(ngx_http_mp4_stss_atom_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2056
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2057 atom = &trak->stss_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2058 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2059 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2060 atom->last = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2061
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2062 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2063 + entries * sizeof(uint32_t) > atom_data_size)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2064 {
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2065 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2066 "\"%s\" mp4 stss atom too small", mp4->file.name.data);
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2067 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2068 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2069
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2070 atom_end = atom_table + entries * sizeof(uint32_t);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2071
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2072 data = &trak->stss_data_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2073 data->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2074 data->pos = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2075 data->last = atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2076
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2077 trak->out[NGX_HTTP_MP4_STSS_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2078 trak->out[NGX_HTTP_MP4_STSS_DATA].buf = data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2079
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2080 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2081
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2082 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2083 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2084
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2085
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2086 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2087 ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2088 ngx_http_mp4_trak_t *trak)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2089 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2090 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2091 uint32_t entries, sample, start_sample, *entry, *end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2092 ngx_buf_t *atom, *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2093 ngx_http_mp4_stss_atom_t *stss_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2094
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2095 /*
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2096 * mdia.minf.stbl.stss updating requires trak->start_sample
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2097 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2098 * atom which may reside after mdia.minf
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2099 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2100
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2101 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2102 "mp4 stss atom update");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2103
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2104 data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2105
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2106 if (data == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2107 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2108 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2109
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2110 /* sync samples starts from 1 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2111 start_sample = trak->start_sample + 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2112 entries = trak->sync_samples_entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2113
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2114 entry = (uint32_t *) data->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2115 end = (uint32_t *) data->last;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2116
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2117 while (entry < end) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2118 sample = ngx_mp4_get_32value(entry);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2119
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2120 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2121 "start:%uD, sync:%uD", start_sample, sample);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2122
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2123 if (sample >= start_sample) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2124 goto found;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2125 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2126
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2127 entries--;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2128 entry++;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2129 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2130
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2131 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2132 "start sample is out of mp4 stss atom in \"%s\"",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2133 mp4->file.name.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2134
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2135 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2136
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2137 found:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2138
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2139 data->pos = (u_char *) entry;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2140
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2141 start_sample = trak->start_sample;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2142
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2143 while (entry < end) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2144 sample = ngx_mp4_get_32value(entry);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2145 sample -= start_sample;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2146 ngx_mp4_set_32value(entry, sample);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2147 entry++;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2148 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2149
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2150 atom_size = sizeof(ngx_http_mp4_stss_atom_t) + (data->last - data->pos);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2151 trak->size += atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2152
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2153 atom = trak->out[NGX_HTTP_MP4_STSS_ATOM].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2154 stss_atom = (ngx_http_mp4_stss_atom_t *) atom->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2155
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2156 ngx_mp4_set_32value(stss_atom->size, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2157 ngx_mp4_set_32value(stss_atom->entries, entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2158
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2159 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2160 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2161
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2162
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2163 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2164 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2165 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2166 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2167 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2168 u_char entries[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2169 } ngx_mp4_ctts_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2170
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2171 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2172 u_char count[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2173 u_char offset[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2174 } ngx_mp4_ctts_entry_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2175
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2176
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2177 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2178 ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2179 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2180 u_char *atom_header, *atom_table, *atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2181 uint32_t entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2182 ngx_buf_t *atom, *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2183 ngx_mp4_ctts_atom_t *ctts_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2184 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2185
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2186 /* composition offsets atom */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2187
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2188 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ctts atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2189
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2190 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2191 ctts_atom = (ngx_mp4_ctts_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2192 ngx_mp4_set_atom_name(ctts_atom, 'c', 't', 't', 's');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2193
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2194 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2195 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2196 "\"%s\" mp4 ctts atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2197 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2198 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2199
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2200 entries = ngx_mp4_get_32value(ctts_atom->entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2201
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2202 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2203 "composition offset entries:%uD", entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2204
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2205 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2206 trak->composition_offset_entries = entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2207
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2208 atom_table = atom_header + sizeof(ngx_mp4_ctts_atom_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2209
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2210 atom = &trak->ctts_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2211 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2212 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2213 atom->last = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2214
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2215 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2216 + entries * sizeof(ngx_mp4_ctts_entry_t) > atom_data_size)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2217 {
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2218 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2219 "\"%s\" mp4 ctts atom too small", mp4->file.name.data);
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2220 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2221 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2222
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2223 atom_end = atom_table + entries * sizeof(ngx_mp4_ctts_entry_t);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2224
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2225 data = &trak->ctts_data_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2226 data->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2227 data->pos = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2228 data->last = atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2229
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2230 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2231 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2232
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2233 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2234
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2235 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2236 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2237
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2238
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2239 static void
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2240 ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2241 ngx_http_mp4_trak_t *trak)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2242 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2243 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2244 uint32_t entries, count, start_sample;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2245 ngx_buf_t *atom, *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2246 ngx_mp4_ctts_atom_t *ctts_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2247 ngx_mp4_ctts_entry_t *entry, *end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2248
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2249 /*
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2250 * mdia.minf.stbl.ctts updating requires trak->start_sample
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2251 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2252 * atom which may reside after mdia.minf
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2253 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2254
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2255 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2256 "mp4 ctts atom update");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2257
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2258 data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2259
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2260 if (data == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2261 return;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2262 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2263
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2264 /* sync samples starts from 1 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2265 start_sample = trak->start_sample + 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2266 entries = trak->composition_offset_entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2267 entry = (ngx_mp4_ctts_entry_t *) data->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2268 end = (ngx_mp4_ctts_entry_t *) data->last;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2269
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2270 while (entry < end) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2271 count = ngx_mp4_get_32value(entry->count);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2272
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2273 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2274 "start:%uD, count:%uD, offset:%uD",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2275 start_sample, count, ngx_mp4_get_32value(entry->offset));
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2276
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2277 if (start_sample <= count) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2278 count -= (start_sample - 1);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2279 ngx_mp4_set_32value(entry->count, count);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2280 goto found;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2281 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2282
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2283 start_sample -= count;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2284 entries--;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2285 entry++;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2286 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2287
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2288 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = NULL;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2289 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = NULL;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2290
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2291 return;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2292
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2293 found:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2294
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2295 data->pos = (u_char *) entry;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2296 atom_size = sizeof(ngx_mp4_ctts_atom_t) + (data->last - data->pos);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2297 trak->size += atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2298
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2299 atom = trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2300 ctts_atom = (ngx_mp4_ctts_atom_t *) atom->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2301
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2302 ngx_mp4_set_32value(ctts_atom->size, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2303 ngx_mp4_set_32value(ctts_atom->entries, entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2304
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2305 return;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2306 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2307
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2308
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2309 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2310 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2311 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2312 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2313 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2314 u_char entries[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2315 } ngx_mp4_stsc_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2316
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2317
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2318 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2319 ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2320 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2321 u_char *atom_header, *atom_table, *atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2322 uint32_t entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2323 ngx_buf_t *atom, *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2324 ngx_mp4_stsc_atom_t *stsc_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2325 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2326
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2327 /* sample-to-chunk atom */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2328
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2329 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsc atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2330
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2331 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2332 stsc_atom = (ngx_mp4_stsc_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2333 ngx_mp4_set_atom_name(stsc_atom, 's', 't', 's', 'c');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2334
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2335 if (ngx_mp4_atom_data_size(ngx_mp4_stsc_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2336 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2337 "\"%s\" mp4 stsc atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2338 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2339 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2340
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2341 entries = ngx_mp4_get_32value(stsc_atom->entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2342
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2343 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2344 "sample-to-chunk entries:%uD", entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2345
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2346 if (ngx_mp4_atom_data_size(ngx_mp4_stsc_atom_t)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2347 + entries * sizeof(ngx_mp4_stsc_entry_t) > atom_data_size)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2348 {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2349 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2350 "\"%s\" mp4 stsc atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2351 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2352 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2353
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2354 atom_table = atom_header + sizeof(ngx_mp4_stsc_atom_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2355 atom_end = atom_table + entries * sizeof(ngx_mp4_stsc_entry_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2356
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2357 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2358 trak->sample_to_chunk_entries = entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2359
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2360 atom = &trak->stsc_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2361 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2362 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2363 atom->last = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2364
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2365 data = &trak->stsc_data_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2366 data->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2367 data->pos = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2368 data->last = atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2369
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2370 trak->out[NGX_HTTP_MP4_STSC_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2371 trak->out[NGX_HTTP_MP4_STSC_DATA].buf = data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2372
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2373 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2374
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2375 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2376 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2377
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2378
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2379 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2380 ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2381 ngx_http_mp4_trak_t *trak)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2382 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2383 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2384 uint32_t start_sample, entries, chunk, samples, id,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2385 next_chunk, n;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2386 ngx_buf_t *atom, *data, *buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2387 ngx_mp4_stsc_atom_t *stsc_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2388 ngx_mp4_stsc_entry_t *entry, *first, *end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2389
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2390 /*
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2391 * mdia.minf.stbl.stsc updating requires trak->start_sample
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2392 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2393 * atom which may reside after mdia.minf
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2394 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2395
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2396 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2397 "mp4 stsc atom update");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2398
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2399 data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2400
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2401 if (data == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2402 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2403 "no mp4 stsc atoms were found in \"%s\"",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2404 mp4->file.name.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2405 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2406 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2407
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2408 if (trak->sample_to_chunk_entries == 0) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2409 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2410 "zero number of entries in stsc atom in \"%s\"",
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2411 mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2412 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2413 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2414
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2415 start_sample = (uint32_t) trak->start_sample;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2416 entries = trak->sample_to_chunk_entries - 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2417
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2418 entry = (ngx_mp4_stsc_entry_t *) data->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2419 end = (ngx_mp4_stsc_entry_t *) data->last;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2420
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2421 chunk = ngx_mp4_get_32value(entry->chunk);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2422 samples = ngx_mp4_get_32value(entry->samples);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2423 id = ngx_mp4_get_32value(entry->id);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2424 entry++;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2425
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2426 while (entry < end) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2427
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2428 next_chunk = ngx_mp4_get_32value(entry->chunk);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2429
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2430 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2431 "start_sample:%uD, chunk:%uD, chunks:%uD, "
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2432 "samples:%uD, id:%uD",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2433 start_sample, chunk, next_chunk - chunk, samples, id);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2434
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2435 n = (next_chunk - chunk) * samples;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2436
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2437 if (start_sample <= n) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2438 goto found;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2439 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2440
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2441 start_sample -= n;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2442
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2443 chunk = next_chunk;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2444 samples = ngx_mp4_get_32value(entry->samples);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2445 id = ngx_mp4_get_32value(entry->id);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2446 entries--;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2447 entry++;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2448 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2449
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2450 next_chunk = trak->chunks;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2451
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2452 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2453 "start_sample:%uD, chunk:%uD, chunks:%uD, samples:%uD",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2454 start_sample, chunk, next_chunk - chunk, samples);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2455
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2456 n = (next_chunk - chunk) * samples;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2457
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2458 if (start_sample > n) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2459 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2460 "start time is out mp4 stsc chunks in \"%s\"",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2461 mp4->file.name.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2462 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2463 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2464
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2465 found:
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2466
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2467 entries++;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2468 entry--;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2469
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2470 if (samples == 0) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2471 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2472 "zero number of samples in \"%s\"",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2473 mp4->file.name.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2474 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2475 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2476
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2477 trak->start_chunk = chunk - 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2478
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2479 trak->start_chunk += start_sample / samples;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2480 trak->chunk_samples = start_sample % samples;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2481
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2482 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2483 "start chunk:%ui, samples:%uD",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2484 trak->start_chunk, trak->chunk_samples);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2485
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2486 data->pos = (u_char *) entry;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2487 atom_size = sizeof(ngx_mp4_stsc_atom_t) + (data->last - data->pos);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2488
656
9d21dad0b5a1 nginx 1.1.12
Igor Sysoev <http://sysoev.ru>
parents: 650
diff changeset
2489 ngx_mp4_set_32value(entry->chunk, 1);
9d21dad0b5a1 nginx 1.1.12
Igor Sysoev <http://sysoev.ru>
parents: 650
diff changeset
2490
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2491 if (trak->chunk_samples) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2492
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2493 first = &trak->stsc_chunk_entry;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2494 ngx_mp4_set_32value(first->chunk, 1);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2495 ngx_mp4_set_32value(first->samples, samples - trak->chunk_samples);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2496 ngx_mp4_set_32value(first->id, id);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2497
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2498 buf = &trak->stsc_chunk_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2499 buf->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2500 buf->pos = (u_char *) first;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2501 buf->last = (u_char *) first + sizeof(ngx_mp4_stsc_entry_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2502
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2503 trak->out[NGX_HTTP_MP4_STSC_CHUNK].buf = buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2504
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2505 ngx_mp4_set_32value(entry->chunk, 2);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2506
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2507 atom_size += sizeof(ngx_mp4_stsc_entry_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2508 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2509
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2510 while (++entry < end) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2511 chunk = ngx_mp4_get_32value(entry->chunk);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2512 chunk -= trak->start_chunk;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2513 ngx_mp4_set_32value(entry->chunk, chunk);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2514 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2515
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2516 trak->size += atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2517
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2518 atom = trak->out[NGX_HTTP_MP4_STSC_ATOM].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2519 stsc_atom = (ngx_mp4_stsc_atom_t *) atom->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2520
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2521 ngx_mp4_set_32value(stsc_atom->size, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2522 ngx_mp4_set_32value(stsc_atom->entries, entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2523
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2524 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2525 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2526
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2527
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2528 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2529 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2530 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2531 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2532 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2533 u_char uniform_size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2534 u_char entries[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2535 } ngx_mp4_stsz_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2536
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2537
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2538 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2539 ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2540 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2541 u_char *atom_header, *atom_table, *atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2542 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2543 uint32_t entries, size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2544 ngx_buf_t *atom, *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2545 ngx_mp4_stsz_atom_t *stsz_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2546 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2547
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2548 /* sample sizes atom */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2549
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2550 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsz atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2551
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2552 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2553 stsz_atom = (ngx_mp4_stsz_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2554 ngx_mp4_set_atom_name(stsz_atom, 's', 't', 's', 'z');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2555
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2556 if (ngx_mp4_atom_data_size(ngx_mp4_stsz_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2557 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2558 "\"%s\" mp4 stsz atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2559 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2560 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2561
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2562 size = ngx_mp4_get_32value(stsz_atom->uniform_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2563 entries = ngx_mp4_get_32value(stsz_atom->entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2564
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2565 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2566 "sample uniform size:%uD, entries:%uD", size, entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2567
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2568 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2569 trak->sample_sizes_entries = entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2570
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2571 atom_table = atom_header + sizeof(ngx_mp4_stsz_atom_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2572
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2573 atom = &trak->stsz_atom_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2574 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2575 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2576 atom->last = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2577
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2578 trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2579
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2580 if (size == 0) {
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2581 if (ngx_mp4_atom_data_size(ngx_mp4_stsz_atom_t)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2582 + entries * sizeof(uint32_t) > atom_data_size)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2583 {
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2584 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2585 "\"%s\" mp4 stsz atom too small",
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2586 mp4->file.name.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2587 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2588 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2589
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2590 atom_end = atom_table + entries * sizeof(uint32_t);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2591
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2592 data = &trak->stsz_data_buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2593 data->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2594 data->pos = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2595 data->last = atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2596
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2597 trak->out[NGX_HTTP_MP4_STSZ_DATA].buf = data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2598
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2599 } else {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2600 /* if size != 0 then all samples are the same size */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2601 /* TODO : chunk samples */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2602 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2603 ngx_mp4_set_32value(atom_header, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2604 trak->size += atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2605 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2606
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2607 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2608
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2609 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2610 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2611
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2612
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2613 static ngx_int_t
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2614 ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2615 ngx_http_mp4_trak_t *trak)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2616 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2617 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2618 uint32_t *pos, *end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2619 ngx_buf_t *atom, *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2620 ngx_mp4_stsz_atom_t *stsz_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2621
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2622 /*
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2623 * mdia.minf.stbl.stsz updating requires trak->start_sample
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2624 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2625 * atom which may reside after mdia.minf
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2626 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2627
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2628 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2629 "mp4 stsz atom update");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2630
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2631 data = trak->out[NGX_HTTP_MP4_STSZ_DATA].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2632
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2633 if (data) {
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2634 if (trak->start_sample > trak->sample_sizes_entries) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2635 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2636 "start time is out mp4 stsz samples in \"%s\"",
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2637 mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2638 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2639 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2640
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2641 data->pos += trak->start_sample * sizeof(uint32_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2642 end = (uint32_t *) data->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2643
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2644 for (pos = end - trak->chunk_samples; pos < end; pos++) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2645 trak->chunk_samples_size += ngx_mp4_get_32value(pos);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2646 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2647
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2648 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
640
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2649 "chunk samples sizes:%uL", trak->chunk_samples_size);
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2650
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2651 atom_size = sizeof(ngx_mp4_stsz_atom_t) + (data->last - data->pos);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2652 trak->size += atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2653
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2654 atom = trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2655 stsz_atom = (ngx_mp4_stsz_atom_t *) atom->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2656
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2657 ngx_mp4_set_32value(stsz_atom->size, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2658 ngx_mp4_set_32value(stsz_atom->entries,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2659 trak->sample_sizes_entries - trak->start_sample);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2660 }
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2661
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2662 return NGX_OK;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2663 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2664
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2665
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2666 typedef struct {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2667 u_char size[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2668 u_char name[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2669 u_char version[1];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2670 u_char flags[3];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2671 u_char entries[4];
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2672 } ngx_mp4_stco_atom_t;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2673
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2674
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2675 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2676 ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2677 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2678 u_char *atom_header, *atom_table, *atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2679 uint32_t entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2680 ngx_buf_t *atom, *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2681 ngx_mp4_stco_atom_t *stco_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2682 ngx_http_mp4_trak_t *trak;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2683
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2684 /* chunk offsets atom */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2685
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2686 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stco atom");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2687
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2688 atom_header = ngx_mp4_atom_header(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2689 stco_atom = (ngx_mp4_stco_atom_t *) atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2690 ngx_mp4_set_atom_name(stco_atom, 's', 't', 'c', 'o');
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2691
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2692 if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2693 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2694 "\"%s\" mp4 stco atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2695 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2696 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2697
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2698 entries = ngx_mp4_get_32value(stco_atom->entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2699
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2700 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2701
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2702 if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2703 + entries * sizeof(uint32_t) > atom_data_size)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2704 {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2705 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2706 "\"%s\" mp4 stco atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2707 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2708 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2709
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2710 atom_table = atom_header + sizeof(ngx_mp4_stco_atom_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2711 atom_end = atom_table + entries * sizeof(uint32_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2712
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2713 trak = ngx_mp4_last_trak(mp4);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2714 trak->chunks = entries;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2715
640
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2716 atom = &trak->stco_atom_buf;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2717 atom->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2718 atom->pos = atom_header;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2719 atom->last = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2720
640
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2721 data = &trak->stco_data_buf;
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2722 data->temporary = 1;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2723 data->pos = atom_table;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2724 data->last = atom_end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2725
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2726 trak->out[NGX_HTTP_MP4_STCO_ATOM].buf = atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2727 trak->out[NGX_HTTP_MP4_STCO_DATA].buf = data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2728
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2729 ngx_mp4_atom_next(mp4, atom_data_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2730
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2731 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2732 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2733
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2734
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2735 static ngx_int_t
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2736 ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2737 ngx_http_mp4_trak_t *trak)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2738 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2739 size_t atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2740 ngx_buf_t *atom, *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2741 ngx_mp4_stco_atom_t *stco_atom;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2742
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2743 /*
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2744 * mdia.minf.stbl.stco updating requires trak->start_chunk
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2745 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2746 * atom which may reside after mdia.minf
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2747 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2748
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2749 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2750 "mp4 stco atom update");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2751
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2752 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2753
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2754 if (data == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2755 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2756 "no mp4 stco atoms were found in \"%s\"",
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2757 mp4->file.name.data);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2758 return NGX_ERROR;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2759 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2760
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2761 if (trak->start_chunk > trak->chunks) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2762 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2763 "start time is out mp4 stco chunks in \"%s\"",
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2764 mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2765 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2766 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2767
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2768 data->pos += trak->start_chunk * sizeof(uint32_t);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2769 atom_size = sizeof(ngx_mp4_stco_atom_t) + (data->last - data->pos);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2770 trak->size += atom_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2771
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2772 trak->start_offset = ngx_mp4_get_32value(data->pos);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2773 trak->start_offset += trak->chunk_samples_size;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2774 ngx_mp4_set_32value(data->pos, trak->start_offset);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2775
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2776 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2777 "start chunk offset:%uD", trak->start_offset);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2778
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2779 atom = trak->out[NGX_HTTP_MP4_STCO_ATOM].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2780 stco_atom = (ngx_mp4_stco_atom_t *) atom->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2781
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2782 ngx_mp4_set_32value(stco_atom->size, atom_size);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2783 ngx_mp4_set_32value(stco_atom->entries, trak->chunks - trak->start_chunk);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2784
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2785 return NGX_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2786 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2787
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2788
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2789 static void
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2790 ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2791 ngx_http_mp4_trak_t *trak, int32_t adjustment)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2792 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2793 uint32_t offset, *entry, *end;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2794 ngx_buf_t *data;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2795
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2796 /*
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2797 * moov.trak.mdia.minf.stbl.stco adjustment requires
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2798 * minimal start offset of all traks and new moov atom size
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2799 */
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2800
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2801 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2802 "mp4 stco atom adjustment");
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2803
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2804 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2805 entry = (uint32_t *) data->pos;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2806 end = (uint32_t *) data->last;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2807
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2808 while (entry < end) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2809 offset = ngx_mp4_get_32value(entry);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2810 offset += adjustment;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2811 ngx_mp4_set_32value(entry, offset);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2812 entry++;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2813 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2814 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2815
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2816
640
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2817 typedef struct {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2818 u_char size[4];
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2819 u_char name[4];
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2820 u_char version[1];
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2821 u_char flags[3];
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2822 u_char entries[4];
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2823 } ngx_mp4_co64_atom_t;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2824
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2825
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2826 static ngx_int_t
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2827 ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size)
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2828 {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2829 u_char *atom_header, *atom_table, *atom_end;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2830 uint32_t entries;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2831 ngx_buf_t *atom, *data;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2832 ngx_mp4_co64_atom_t *co64_atom;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2833 ngx_http_mp4_trak_t *trak;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2834
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2835 /* chunk offsets atom */
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2836
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2837 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 co64 atom");
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2838
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2839 atom_header = ngx_mp4_atom_header(mp4);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2840 co64_atom = (ngx_mp4_co64_atom_t *) atom_header;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2841 ngx_mp4_set_atom_name(co64_atom, 'c', 'o', '6', '4');
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2842
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2843 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) > atom_data_size) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2844 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2845 "\"%s\" mp4 co64 atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2846 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2847 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2848
640
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2849 entries = ngx_mp4_get_32value(co64_atom->entries);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2850
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2851 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2852
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2853 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2854 + entries * sizeof(uint64_t) > atom_data_size)
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2855 {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2856 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2857 "\"%s\" mp4 co64 atom too small", mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2858 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2859 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2860
640
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2861 atom_table = atom_header + sizeof(ngx_mp4_co64_atom_t);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2862 atom_end = atom_table + entries * sizeof(uint64_t);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2863
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2864 trak = ngx_mp4_last_trak(mp4);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2865 trak->chunks = entries;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2866
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2867 atom = &trak->co64_atom_buf;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2868 atom->temporary = 1;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2869 atom->pos = atom_header;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2870 atom->last = atom_table;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2871
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2872 data = &trak->co64_data_buf;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2873 data->temporary = 1;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2874 data->pos = atom_table;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2875 data->last = atom_end;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2876
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2877 trak->out[NGX_HTTP_MP4_CO64_ATOM].buf = atom;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2878 trak->out[NGX_HTTP_MP4_CO64_DATA].buf = data;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2879
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2880 ngx_mp4_atom_next(mp4, atom_data_size);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2881
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2882 return NGX_OK;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2883 }
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2884
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2885
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2886 static ngx_int_t
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2887 ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4,
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2888 ngx_http_mp4_trak_t *trak)
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2889 {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2890 size_t atom_size;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2891 ngx_buf_t *atom, *data;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2892 ngx_mp4_co64_atom_t *co64_atom;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2893
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2894 /*
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2895 * mdia.minf.stbl.co64 updating requires trak->start_chunk
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2896 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2897 * atom which may reside after mdia.minf
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2898 */
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2899
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2900 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2901 "mp4 co64 atom update");
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2902
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2903 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2904
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2905 if (data == NULL) {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2906 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2907 "no mp4 co64 atoms were found in \"%s\"",
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2908 mp4->file.name.data);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2909 return NGX_ERROR;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2910 }
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2911
670
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2912 if (trak->start_chunk > trak->chunks) {
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2913 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2914 "start time is out mp4 co64 chunks in \"%s\"",
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2915 mp4->file.name.data);
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2916 return NGX_ERROR;
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2917 }
ad45b044f1e5 nginx 1.1.19
Igor Sysoev <http://sysoev.ru>
parents: 664
diff changeset
2918
640
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2919 data->pos += trak->start_chunk * sizeof(uint64_t);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2920 atom_size = sizeof(ngx_mp4_co64_atom_t) + (data->last - data->pos);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2921 trak->size += atom_size;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2922
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2923 trak->start_offset = ngx_mp4_get_64value(data->pos);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2924 trak->start_offset += trak->chunk_samples_size;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2925 ngx_mp4_set_64value(data->pos, trak->start_offset);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2926
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2927 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2928 "start chunk offset:%uL", trak->start_offset);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2929
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2930 atom = trak->out[NGX_HTTP_MP4_CO64_ATOM].buf;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2931 co64_atom = (ngx_mp4_co64_atom_t *) atom->pos;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2932
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2933 ngx_mp4_set_32value(co64_atom->size, atom_size);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2934 ngx_mp4_set_32value(co64_atom->entries, trak->chunks - trak->start_chunk);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2935
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2936 return NGX_OK;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2937 }
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2938
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2939
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2940 static void
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2941 ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4,
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2942 ngx_http_mp4_trak_t *trak, off_t adjustment)
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2943 {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2944 uint64_t offset, *entry, *end;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2945 ngx_buf_t *data;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2946
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2947 /*
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2948 * moov.trak.mdia.minf.stbl.co64 adjustment requires
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2949 * minimal start offset of all traks and new moov atom size
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2950 */
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2951
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2952 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0,
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2953 "mp4 co64 atom adjustment");
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2954
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2955 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2956 entry = (uint64_t *) data->pos;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2957 end = (uint64_t *) data->last;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2958
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2959 while (entry < end) {
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2960 offset = ngx_mp4_get_64value(entry);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2961 offset += adjustment;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2962 ngx_mp4_set_64value(entry, offset);
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2963 entry++;
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2964 }
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2965 }
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2966
eb208e0cf44d nginx 1.1.4
Igor Sysoev <http://sysoev.ru>
parents: 638
diff changeset
2967
638
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2968 static char *
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2969 ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2970 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2971 ngx_http_core_loc_conf_t *clcf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2972
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2973 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2974 clcf->handler = ngx_http_mp4_handler;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2975
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2976 return NGX_CONF_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2977 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2978
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2979
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2980 static void *
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2981 ngx_http_mp4_create_conf(ngx_conf_t *cf)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2982 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2983 ngx_http_mp4_conf_t *conf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2984
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2985 conf = ngx_palloc(cf->pool, sizeof(ngx_http_mp4_conf_t));
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2986 if (conf == NULL) {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2987 return NULL;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2988 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2989
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2990 conf->buffer_size = NGX_CONF_UNSET_SIZE;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2991 conf->max_buffer_size = NGX_CONF_UNSET_SIZE;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2992
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2993 return conf;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2994 }
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2995
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2996
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2997 static char *
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2998 ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child)
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2999 {
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3000 ngx_http_mp4_conf_t *prev = parent;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3001 ngx_http_mp4_conf_t *conf = child;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3002
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3003 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, 512 * 1024);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3004 ngx_conf_merge_size_value(conf->max_buffer_size, prev->max_buffer_size,
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3005 10 * 1024 * 1024);
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3006
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3007 return NGX_CONF_OK;
f5a8cf31a203 nginx 1.1.3
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3008 }