Mercurial > hg > nginx
annotate src/http/modules/ngx_http_mp4_module.c @ 6791:cb4a4e9bba8e
Perl: fixed optimization in SSI command handler.
As the pointer to the first argument was tested instead of the argument
itself, array of arguments was always created, even if there were no
arguments. Fix is to test args[0] instead of args.
Found by Coverity (CID 1356862).
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Tue, 01 Nov 2016 20:39:21 +0300 |
| parents | b123eae3fd4e |
| children | 2b2239a1e0d4 |
| rev | line source |
|---|---|
| 4085 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
| 4085 | 5 */ |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 10 | |
| 11 | |
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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_START 18 |
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31 #define NGX_HTTP_MP4_STSC_DATA 19 |
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32 #define NGX_HTTP_MP4_STSC_END 20 |
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33 #define NGX_HTTP_MP4_STSZ_ATOM 21 |
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34 #define NGX_HTTP_MP4_STSZ_DATA 22 |
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35 #define NGX_HTTP_MP4_STCO_ATOM 23 |
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36 #define NGX_HTTP_MP4_STCO_DATA 24 |
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37 #define NGX_HTTP_MP4_CO64_ATOM 25 |
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38 #define NGX_HTTP_MP4_CO64_DATA 26 |
| 4112 | 39 |
| 40 #define NGX_HTTP_MP4_LAST_ATOM NGX_HTTP_MP4_CO64_DATA | |
| 4085 | 41 |
| 42 | |
| 43 typedef struct { | |
| 44 size_t buffer_size; | |
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45 size_t max_buffer_size; |
| 4085 | 46 } ngx_http_mp4_conf_t; |
| 47 | |
| 48 | |
| 49 typedef struct { | |
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50 u_char chunk[4]; |
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51 u_char samples[4]; |
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52 u_char id[4]; |
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53 } ngx_mp4_stsc_entry_t; |
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54 |
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55 |
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56 typedef struct { |
| 4085 | 57 uint32_t timescale; |
| 58 uint32_t time_to_sample_entries; | |
| 59 uint32_t sample_to_chunk_entries; | |
| 60 uint32_t sync_samples_entries; | |
| 61 uint32_t composition_offset_entries; | |
| 62 uint32_t sample_sizes_entries; | |
| 63 uint32_t chunks; | |
| 64 | |
| 65 ngx_uint_t start_sample; | |
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66 ngx_uint_t end_sample; |
| 4085 | 67 ngx_uint_t start_chunk; |
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68 ngx_uint_t end_chunk; |
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69 ngx_uint_t start_chunk_samples; |
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70 ngx_uint_t end_chunk_samples; |
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71 uint64_t start_chunk_samples_size; |
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72 uint64_t end_chunk_samples_size; |
| 4085 | 73 off_t start_offset; |
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74 off_t end_offset; |
| 4085 | 75 |
| 76 size_t tkhd_size; | |
| 77 size_t mdhd_size; | |
| 78 size_t hdlr_size; | |
| 79 size_t vmhd_size; | |
| 80 size_t smhd_size; | |
| 81 size_t dinf_size; | |
| 82 size_t size; | |
| 83 | |
| 84 ngx_chain_t out[NGX_HTTP_MP4_LAST_ATOM + 1]; | |
| 85 | |
| 86 ngx_buf_t trak_atom_buf; | |
| 87 ngx_buf_t tkhd_atom_buf; | |
| 88 ngx_buf_t mdia_atom_buf; | |
| 89 ngx_buf_t mdhd_atom_buf; | |
| 90 ngx_buf_t hdlr_atom_buf; | |
| 91 ngx_buf_t minf_atom_buf; | |
| 92 ngx_buf_t vmhd_atom_buf; | |
| 93 ngx_buf_t smhd_atom_buf; | |
| 94 ngx_buf_t dinf_atom_buf; | |
| 95 ngx_buf_t stbl_atom_buf; | |
| 96 ngx_buf_t stsd_atom_buf; | |
| 97 ngx_buf_t stts_atom_buf; | |
| 98 ngx_buf_t stts_data_buf; | |
| 99 ngx_buf_t stss_atom_buf; | |
| 100 ngx_buf_t stss_data_buf; | |
| 101 ngx_buf_t ctts_atom_buf; | |
| 102 ngx_buf_t ctts_data_buf; | |
| 103 ngx_buf_t stsc_atom_buf; | |
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104 ngx_buf_t stsc_start_chunk_buf; |
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105 ngx_buf_t stsc_end_chunk_buf; |
| 4085 | 106 ngx_buf_t stsc_data_buf; |
| 107 ngx_buf_t stsz_atom_buf; | |
| 108 ngx_buf_t stsz_data_buf; | |
| 4107 | 109 ngx_buf_t stco_atom_buf; |
| 110 ngx_buf_t stco_data_buf; | |
| 4112 | 111 ngx_buf_t co64_atom_buf; |
| 112 ngx_buf_t co64_data_buf; | |
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113 |
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114 ngx_mp4_stsc_entry_t stsc_start_chunk_entry; |
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115 ngx_mp4_stsc_entry_t stsc_end_chunk_entry; |
| 4085 | 116 } ngx_http_mp4_trak_t; |
| 117 | |
| 118 | |
| 119 typedef struct { | |
| 120 ngx_file_t file; | |
| 121 | |
| 122 u_char *buffer; | |
| 123 u_char *buffer_start; | |
| 124 u_char *buffer_pos; | |
| 125 u_char *buffer_end; | |
| 126 size_t buffer_size; | |
| 127 | |
| 128 off_t offset; | |
| 129 off_t end; | |
| 130 off_t content_length; | |
| 131 ngx_uint_t start; | |
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132 ngx_uint_t length; |
| 4085 | 133 uint32_t timescale; |
| 134 ngx_http_request_t *request; | |
| 135 ngx_array_t trak; | |
| 136 ngx_http_mp4_trak_t traks[2]; | |
| 137 | |
| 138 size_t ftyp_size; | |
| 139 size_t moov_size; | |
| 140 | |
| 141 ngx_chain_t *out; | |
| 142 ngx_chain_t ftyp_atom; | |
| 143 ngx_chain_t moov_atom; | |
| 144 ngx_chain_t mvhd_atom; | |
| 145 ngx_chain_t mdat_atom; | |
| 146 ngx_chain_t mdat_data; | |
| 147 | |
| 148 ngx_buf_t ftyp_atom_buf; | |
| 149 ngx_buf_t moov_atom_buf; | |
| 150 ngx_buf_t mvhd_atom_buf; | |
| 151 ngx_buf_t mdat_atom_buf; | |
| 152 ngx_buf_t mdat_data_buf; | |
| 153 | |
| 154 u_char moov_atom_header[8]; | |
| 155 u_char mdat_atom_header[16]; | |
| 156 } ngx_http_mp4_file_t; | |
| 157 | |
| 158 | |
| 159 typedef struct { | |
| 160 char *name; | |
| 161 ngx_int_t (*handler)(ngx_http_mp4_file_t *mp4, | |
| 162 uint64_t atom_data_size); | |
| 163 } ngx_http_mp4_atom_handler_t; | |
| 164 | |
| 165 | |
| 166 #define ngx_mp4_atom_header(mp4) (mp4->buffer_pos - 8) | |
| 167 #define ngx_mp4_atom_data(mp4) mp4->buffer_pos | |
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168 #define ngx_mp4_atom_data_size(t) (uint64_t) (sizeof(t) - 8) |
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169 |
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170 |
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171 #define ngx_mp4_atom_next(mp4, n) \ |
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172 mp4->buffer_pos += (size_t) n; \ |
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173 mp4->offset += n |
| 4085 | 174 |
| 175 | |
| 176 #define ngx_mp4_set_atom_name(p, n1, n2, n3, n4) \ | |
| 177 ((u_char *) (p))[4] = n1; \ | |
| 178 ((u_char *) (p))[5] = n2; \ | |
| 179 ((u_char *) (p))[6] = n3; \ | |
| 180 ((u_char *) (p))[7] = n4 | |
| 181 | |
| 182 #define ngx_mp4_get_32value(p) \ | |
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183 ( ((uint32_t) ((u_char *) (p))[0] << 24) \ |
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184 + ( ((u_char *) (p))[1] << 16) \ |
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185 + ( ((u_char *) (p))[2] << 8) \ |
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186 + ( ((u_char *) (p))[3]) ) |
| 4085 | 187 |
| 188 #define ngx_mp4_set_32value(p, n) \ | |
| 189 ((u_char *) (p))[0] = (u_char) ((n) >> 24); \ | |
| 190 ((u_char *) (p))[1] = (u_char) ((n) >> 16); \ | |
| 191 ((u_char *) (p))[2] = (u_char) ((n) >> 8); \ | |
| 192 ((u_char *) (p))[3] = (u_char) (n) | |
| 193 | |
| 194 #define ngx_mp4_get_64value(p) \ | |
| 195 ( ((uint64_t) ((u_char *) (p))[0] << 56) \ | |
| 196 + ((uint64_t) ((u_char *) (p))[1] << 48) \ | |
| 197 + ((uint64_t) ((u_char *) (p))[2] << 40) \ | |
| 198 + ((uint64_t) ((u_char *) (p))[3] << 32) \ | |
| 199 + ((uint64_t) ((u_char *) (p))[4] << 24) \ | |
| 200 + ( ((u_char *) (p))[5] << 16) \ | |
| 201 + ( ((u_char *) (p))[6] << 8) \ | |
| 202 + ( ((u_char *) (p))[7]) ) | |
| 203 | |
| 204 #define ngx_mp4_set_64value(p, n) \ | |
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205 ((u_char *) (p))[0] = (u_char) ((uint64_t) (n) >> 56); \ |
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206 ((u_char *) (p))[1] = (u_char) ((uint64_t) (n) >> 48); \ |
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207 ((u_char *) (p))[2] = (u_char) ((uint64_t) (n) >> 40); \ |
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208 ((u_char *) (p))[3] = (u_char) ((uint64_t) (n) >> 32); \ |
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209 ((u_char *) (p))[4] = (u_char) ( (n) >> 24); \ |
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210 ((u_char *) (p))[5] = (u_char) ( (n) >> 16); \ |
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211 ((u_char *) (p))[6] = (u_char) ( (n) >> 8); \ |
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212 ((u_char *) (p))[7] = (u_char) (n) |
| 4085 | 213 |
| 214 #define ngx_mp4_last_trak(mp4) \ | |
| 215 &((ngx_http_mp4_trak_t *) mp4->trak.elts)[mp4->trak.nelts - 1] | |
| 216 | |
| 217 | |
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218 static ngx_int_t ngx_http_mp4_handler(ngx_http_request_t *r); |
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219 static ngx_int_t ngx_http_mp4_atofp(u_char *line, size_t n, size_t point); |
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220 |
| 4085 | 221 static ngx_int_t ngx_http_mp4_process(ngx_http_mp4_file_t *mp4); |
| 222 static ngx_int_t ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
| 223 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size); | |
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224 static ngx_int_t ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size); |
| 4085 | 225 static ngx_int_t ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, |
| 226 uint64_t atom_data_size); | |
| 227 static ngx_int_t ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, | |
| 228 uint64_t atom_data_size); | |
| 229 static ngx_int_t ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, | |
| 230 uint64_t atom_data_size); | |
| 231 static size_t ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, | |
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232 off_t start_offset, off_t end_offset); |
| 4085 | 233 static ngx_int_t ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, |
| 234 uint64_t atom_data_size); | |
| 235 static ngx_int_t ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, | |
| 236 uint64_t atom_data_size); | |
| 237 static void ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
| 238 ngx_http_mp4_trak_t *trak); | |
| 239 static ngx_int_t ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, | |
| 240 uint64_t atom_data_size); | |
| 241 static ngx_int_t ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, | |
| 242 uint64_t atom_data_size); | |
| 243 static ngx_int_t ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, | |
| 244 uint64_t atom_data_size); | |
| 245 static void ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
| 246 ngx_http_mp4_trak_t *trak); | |
| 247 static ngx_int_t ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, | |
| 248 uint64_t atom_data_size); | |
| 249 static ngx_int_t ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, | |
| 250 uint64_t atom_data_size); | |
| 251 static ngx_int_t ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, | |
| 252 uint64_t atom_data_size); | |
| 253 static void ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
| 254 ngx_http_mp4_trak_t *trak); | |
| 255 static ngx_int_t ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, | |
| 256 uint64_t atom_data_size); | |
| 257 static ngx_int_t ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, | |
| 258 uint64_t atom_data_size); | |
| 259 static ngx_int_t ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, | |
| 260 uint64_t atom_data_size); | |
| 261 static ngx_int_t ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, | |
| 262 uint64_t atom_data_size); | |
| 263 static void ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
| 264 ngx_http_mp4_trak_t *trak); | |
| 265 static ngx_int_t ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, | |
| 266 uint64_t atom_data_size); | |
| 267 static ngx_int_t ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, | |
| 268 uint64_t atom_data_size); | |
| 269 static ngx_int_t ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
| 270 ngx_http_mp4_trak_t *trak); | |
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271 static ngx_int_t ngx_http_mp4_crop_stts_data(ngx_http_mp4_file_t *mp4, |
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272 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
| 4085 | 273 static ngx_int_t ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, |
| 274 uint64_t atom_data_size); | |
| 275 static ngx_int_t ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
| 276 ngx_http_mp4_trak_t *trak); | |
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277 static void ngx_http_mp4_crop_stss_data(ngx_http_mp4_file_t *mp4, |
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278 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
| 4085 | 279 static ngx_int_t ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, |
| 280 uint64_t atom_data_size); | |
| 281 static void ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
| 282 ngx_http_mp4_trak_t *trak); | |
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283 static void ngx_http_mp4_crop_ctts_data(ngx_http_mp4_file_t *mp4, |
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284 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
| 4085 | 285 static ngx_int_t ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, |
| 286 uint64_t atom_data_size); | |
| 287 static ngx_int_t ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
| 288 ngx_http_mp4_trak_t *trak); | |
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289 static ngx_int_t ngx_http_mp4_crop_stsc_data(ngx_http_mp4_file_t *mp4, |
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290 ngx_http_mp4_trak_t *trak, ngx_uint_t start); |
| 4085 | 291 static ngx_int_t ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, |
| 292 uint64_t atom_data_size); | |
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293 static ngx_int_t ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
| 4085 | 294 ngx_http_mp4_trak_t *trak); |
| 295 static ngx_int_t ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, | |
| 296 uint64_t atom_data_size); | |
| 297 static ngx_int_t ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
| 298 ngx_http_mp4_trak_t *trak); | |
| 299 static void ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
| 300 ngx_http_mp4_trak_t *trak, int32_t adjustment); | |
| 4112 | 301 static ngx_int_t ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, |
| 302 uint64_t atom_data_size); | |
| 303 static ngx_int_t ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
| 304 ngx_http_mp4_trak_t *trak); | |
| 305 static void ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
| 306 ngx_http_mp4_trak_t *trak, off_t adjustment); | |
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307 |
| 4085 | 308 static char *ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| 309 static void *ngx_http_mp4_create_conf(ngx_conf_t *cf); | |
| 310 static char *ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child); | |
| 311 | |
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312 |
| 4085 | 313 static ngx_command_t ngx_http_mp4_commands[] = { |
| 314 | |
| 315 { ngx_string("mp4"), | |
| 316 NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, | |
| 317 ngx_http_mp4, | |
| 318 0, | |
| 319 0, | |
| 320 NULL }, | |
| 321 | |
| 322 { ngx_string("mp4_buffer_size"), | |
| 323 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 324 ngx_conf_set_size_slot, | |
| 325 NGX_HTTP_LOC_CONF_OFFSET, | |
| 326 offsetof(ngx_http_mp4_conf_t, buffer_size), | |
| 327 NULL }, | |
| 328 | |
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329 { ngx_string("mp4_max_buffer_size"), |
| 4085 | 330 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 331 ngx_conf_set_size_slot, | |
| 332 NGX_HTTP_LOC_CONF_OFFSET, | |
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333 offsetof(ngx_http_mp4_conf_t, max_buffer_size), |
| 4085 | 334 NULL }, |
| 335 | |
| 336 ngx_null_command | |
| 337 }; | |
| 338 | |
| 339 | |
| 340 static ngx_http_module_t ngx_http_mp4_module_ctx = { | |
| 341 NULL, /* preconfiguration */ | |
| 342 NULL, /* postconfiguration */ | |
| 343 | |
| 344 NULL, /* create main configuration */ | |
| 345 NULL, /* init main configuration */ | |
| 346 | |
| 347 NULL, /* create server configuration */ | |
| 348 NULL, /* merge server configuration */ | |
| 349 | |
| 350 ngx_http_mp4_create_conf, /* create location configuration */ | |
| 351 ngx_http_mp4_merge_conf /* merge location configuration */ | |
| 352 }; | |
| 353 | |
| 354 | |
| 355 ngx_module_t ngx_http_mp4_module = { | |
| 356 NGX_MODULE_V1, | |
| 357 &ngx_http_mp4_module_ctx, /* module context */ | |
| 358 ngx_http_mp4_commands, /* module directives */ | |
| 359 NGX_HTTP_MODULE, /* module type */ | |
| 360 NULL, /* init master */ | |
| 361 NULL, /* init module */ | |
| 362 NULL, /* init process */ | |
| 363 NULL, /* init thread */ | |
| 364 NULL, /* exit thread */ | |
| 365 NULL, /* exit process */ | |
| 366 NULL, /* exit master */ | |
| 367 NGX_MODULE_V1_PADDING | |
| 368 }; | |
| 369 | |
| 370 | |
| 371 static ngx_http_mp4_atom_handler_t ngx_http_mp4_atoms[] = { | |
| 372 { "ftyp", ngx_http_mp4_read_ftyp_atom }, | |
| 373 { "moov", ngx_http_mp4_read_moov_atom }, | |
| 374 { "mdat", ngx_http_mp4_read_mdat_atom }, | |
| 375 { NULL, NULL } | |
| 376 }; | |
| 377 | |
| 378 static ngx_http_mp4_atom_handler_t ngx_http_mp4_moov_atoms[] = { | |
| 379 { "mvhd", ngx_http_mp4_read_mvhd_atom }, | |
| 380 { "trak", ngx_http_mp4_read_trak_atom }, | |
| 381 { "cmov", ngx_http_mp4_read_cmov_atom }, | |
| 382 { NULL, NULL } | |
| 383 }; | |
| 384 | |
| 385 static ngx_http_mp4_atom_handler_t ngx_http_mp4_trak_atoms[] = { | |
| 386 { "tkhd", ngx_http_mp4_read_tkhd_atom }, | |
| 387 { "mdia", ngx_http_mp4_read_mdia_atom }, | |
| 388 { NULL, NULL } | |
| 389 }; | |
| 390 | |
| 391 static ngx_http_mp4_atom_handler_t ngx_http_mp4_mdia_atoms[] = { | |
| 392 { "mdhd", ngx_http_mp4_read_mdhd_atom }, | |
| 393 { "hdlr", ngx_http_mp4_read_hdlr_atom }, | |
| 394 { "minf", ngx_http_mp4_read_minf_atom }, | |
| 395 { NULL, NULL } | |
| 396 }; | |
| 397 | |
| 398 static ngx_http_mp4_atom_handler_t ngx_http_mp4_minf_atoms[] = { | |
| 399 { "vmhd", ngx_http_mp4_read_vmhd_atom }, | |
| 400 { "smhd", ngx_http_mp4_read_smhd_atom }, | |
| 401 { "dinf", ngx_http_mp4_read_dinf_atom }, | |
| 402 { "stbl", ngx_http_mp4_read_stbl_atom }, | |
| 403 { NULL, NULL } | |
| 404 }; | |
| 405 | |
| 406 static ngx_http_mp4_atom_handler_t ngx_http_mp4_stbl_atoms[] = { | |
| 407 { "stsd", ngx_http_mp4_read_stsd_atom }, | |
| 408 { "stts", ngx_http_mp4_read_stts_atom }, | |
| 409 { "stss", ngx_http_mp4_read_stss_atom }, | |
| 410 { "ctts", ngx_http_mp4_read_ctts_atom }, | |
| 411 { "stsc", ngx_http_mp4_read_stsc_atom }, | |
| 412 { "stsz", ngx_http_mp4_read_stsz_atom }, | |
| 413 { "stco", ngx_http_mp4_read_stco_atom }, | |
| 4112 | 414 { "co64", ngx_http_mp4_read_co64_atom }, |
| 4085 | 415 { NULL, NULL } |
| 416 }; | |
| 417 | |
| 418 | |
| 419 static ngx_int_t | |
| 420 ngx_http_mp4_handler(ngx_http_request_t *r) | |
| 421 { | |
| 422 u_char *last; | |
| 423 size_t root; | |
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424 ngx_int_t rc, start, end; |
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425 ngx_uint_t level, length; |
| 4085 | 426 ngx_str_t path, value; |
| 427 ngx_log_t *log; | |
| 428 ngx_buf_t *b; | |
| 429 ngx_chain_t out; | |
| 430 ngx_http_mp4_file_t *mp4; | |
| 431 ngx_open_file_info_t of; | |
| 432 ngx_http_core_loc_conf_t *clcf; | |
| 433 | |
| 434 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { | |
| 435 return NGX_HTTP_NOT_ALLOWED; | |
| 436 } | |
| 437 | |
| 438 if (r->uri.data[r->uri.len - 1] == '/') { | |
| 439 return NGX_DECLINED; | |
| 440 } | |
| 441 | |
| 442 rc = ngx_http_discard_request_body(r); | |
| 443 | |
| 444 if (rc != NGX_OK) { | |
| 445 return rc; | |
| 446 } | |
| 447 | |
| 448 last = ngx_http_map_uri_to_path(r, &path, &root, 0); | |
| 449 if (last == NULL) { | |
| 450 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 451 } | |
| 452 | |
| 453 log = r->connection->log; | |
| 454 | |
| 455 path.len = last - path.data; | |
| 456 | |
| 457 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, | |
| 458 "http mp4 filename: \"%V\"", &path); | |
| 459 | |
| 460 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 461 | |
| 462 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); | |
| 463 | |
| 464 of.read_ahead = clcf->read_ahead; | |
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465 of.directio = NGX_MAX_OFF_T_VALUE; |
| 4085 | 466 of.valid = clcf->open_file_cache_valid; |
| 467 of.min_uses = clcf->open_file_cache_min_uses; | |
| 468 of.errors = clcf->open_file_cache_errors; | |
| 469 of.events = clcf->open_file_cache_events; | |
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470 |
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471 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { |
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472 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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473 } |
| 4085 | 474 |
| 475 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) | |
| 476 != NGX_OK) | |
| 477 { | |
| 478 switch (of.err) { | |
| 479 | |
| 480 case 0: | |
| 481 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 482 | |
| 483 case NGX_ENOENT: | |
| 484 case NGX_ENOTDIR: | |
| 485 case NGX_ENAMETOOLONG: | |
| 486 | |
| 487 level = NGX_LOG_ERR; | |
| 488 rc = NGX_HTTP_NOT_FOUND; | |
| 489 break; | |
| 490 | |
| 491 case NGX_EACCES: | |
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492 #if (NGX_HAVE_OPENAT) |
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493 case NGX_EMLINK: |
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494 case NGX_ELOOP: |
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495 #endif |
| 4085 | 496 |
| 497 level = NGX_LOG_ERR; | |
| 498 rc = NGX_HTTP_FORBIDDEN; | |
| 499 break; | |
| 500 | |
| 501 default: | |
| 502 | |
| 503 level = NGX_LOG_CRIT; | |
| 504 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 505 break; | |
| 506 } | |
| 507 | |
| 508 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { | |
| 509 ngx_log_error(level, log, of.err, | |
| 510 "%s \"%s\" failed", of.failed, path.data); | |
| 511 } | |
| 512 | |
| 513 return rc; | |
| 514 } | |
| 515 | |
| 516 if (!of.is_file) { | |
| 517 | |
| 518 if (ngx_close_file(of.fd) == NGX_FILE_ERROR) { | |
| 519 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| 520 ngx_close_file_n " \"%s\" failed", path.data); | |
| 521 } | |
| 522 | |
| 523 return NGX_DECLINED; | |
| 524 } | |
| 525 | |
| 526 r->root_tested = !r->error_page; | |
| 527 r->allow_ranges = 1; | |
| 528 | |
| 529 start = -1; | |
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530 length = 0; |
| 4085 | 531 r->headers_out.content_length_n = of.size; |
| 532 mp4 = NULL; | |
| 533 b = NULL; | |
| 534 | |
| 535 if (r->args.len) { | |
| 536 | |
| 537 if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) { | |
| 538 | |
|
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67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
Igor Sysoev <igor@sysoev.ru>
parents:
4155
diff
changeset
|
539 /* |
|
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
Igor Sysoev <igor@sysoev.ru>
parents:
4155
diff
changeset
|
540 * A Flash player may send start value with a lot of digits |
|
6782
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
541 * after dot so a custom function is used instead of ngx_atofp(). |
|
4156
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
Igor Sysoev <igor@sysoev.ru>
parents:
4155
diff
changeset
|
542 */ |
|
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
Igor Sysoev <igor@sysoev.ru>
parents:
4155
diff
changeset
|
543 |
|
6782
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
544 start = ngx_http_mp4_atofp(value.data, value.len, 3); |
| 4085 | 545 } |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
546 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
547 if (ngx_http_arg(r, (u_char *) "end", 3, &value) == NGX_OK) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
548 |
|
6782
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
549 end = ngx_http_mp4_atofp(value.data, value.len, 3); |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
550 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
551 if (end > 0) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
552 if (start < 0) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
553 start = 0; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
554 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
555 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
556 if (end > start) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
557 length = end - start; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
558 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
559 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
560 } |
| 4085 | 561 } |
| 562 | |
|
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
563 if (start >= 0) { |
|
5621
345e4fd4bb64
Range filter: single_range flag in request.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5620
diff
changeset
|
564 r->single_range = 1; |
|
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
565 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
566 mp4 = ngx_pcalloc(r->pool, sizeof(ngx_http_mp4_file_t)); |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
567 if (mp4 == NULL) { |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
568 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
569 } |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
570 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
571 mp4->file.fd = of.fd; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
572 mp4->file.name = path; |
|
5496
9d056f10fb99
Style: removed surplus semicolons.
Valentin Bartenev <vbart@nginx.com>
parents:
5359
diff
changeset
|
573 mp4->file.log = r->connection->log; |
|
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
574 mp4->end = of.size; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
575 mp4->start = (ngx_uint_t) start; |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
576 mp4->length = length; |
|
5202
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
577 mp4->request = r; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
578 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
579 switch (ngx_http_mp4_process(mp4)) { |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
580 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
581 case NGX_DECLINED: |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
582 if (mp4->buffer) { |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
583 ngx_pfree(r->pool, mp4->buffer); |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
584 } |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
585 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
586 ngx_pfree(r->pool, mp4); |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
587 mp4 = NULL; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
588 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
589 break; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
590 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
591 case NGX_OK: |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
592 r->headers_out.content_length_n = mp4->content_length; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
593 break; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
594 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
595 default: /* NGX_ERROR */ |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
596 if (mp4->buffer) { |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
597 ngx_pfree(r->pool, mp4->buffer); |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
598 } |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
599 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
600 ngx_pfree(r->pool, mp4); |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
601 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
602 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
603 } |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
604 } |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
605 |
| 4085 | 606 log->action = "sending mp4 to client"; |
| 607 | |
| 608 if (clcf->directio <= of.size) { | |
| 609 | |
| 610 /* | |
| 611 * DIRECTIO is set on transfer only | |
| 612 * to allow kernel to cache "moov" atom | |
| 613 */ | |
| 614 | |
| 615 if (ngx_directio_on(of.fd) == NGX_FILE_ERROR) { | |
| 616 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| 617 ngx_directio_on_n " \"%s\" failed", path.data); | |
| 618 } | |
| 619 | |
|
4087
3aa3b7bb9f0d
Bugfix of r4086: directio was always enabled if mp4 file was sent as is.
Igor Sysoev <igor@sysoev.ru>
parents:
4085
diff
changeset
|
620 of.is_directio = 1; |
|
3aa3b7bb9f0d
Bugfix of r4086: directio was always enabled if mp4 file was sent as is.
Igor Sysoev <igor@sysoev.ru>
parents:
4085
diff
changeset
|
621 |
| 4085 | 622 if (mp4) { |
| 623 mp4->file.directio = 1; | |
| 624 } | |
| 625 } | |
| 626 | |
| 627 r->headers_out.status = NGX_HTTP_OK; | |
| 628 r->headers_out.last_modified_time = of.mtime; | |
| 629 | |
|
4748
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
630 if (ngx_http_set_etag(r) != NGX_OK) { |
|
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
631 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
|
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
632 } |
|
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
633 |
| 4085 | 634 if (ngx_http_set_content_type(r) != NGX_OK) { |
| 635 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 636 } | |
| 637 | |
| 638 if (mp4 == NULL) { | |
| 639 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); | |
| 640 if (b == NULL) { | |
| 641 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 642 } | |
| 643 | |
| 644 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); | |
| 645 if (b->file == NULL) { | |
| 646 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 647 } | |
| 648 } | |
| 649 | |
| 650 rc = ngx_http_send_header(r); | |
| 651 | |
| 652 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
| 653 return rc; | |
| 654 } | |
| 655 | |
| 656 if (mp4) { | |
| 657 return ngx_http_output_filter(r, mp4->out); | |
| 658 } | |
| 659 | |
| 660 b->file_pos = 0; | |
| 661 b->file_last = of.size; | |
| 662 | |
| 663 b->in_file = b->file_last ? 1 : 0; | |
|
4611
2b6cb7528409
Allows particular modules to handle subrequests properly.
Andrey Belov <defan@nginx.com>
parents:
4585
diff
changeset
|
664 b->last_buf = (r == r->main) ? 1 : 0; |
| 4085 | 665 b->last_in_chain = 1; |
| 666 | |
| 667 b->file->fd = of.fd; | |
| 668 b->file->name = path; | |
| 669 b->file->log = log; | |
| 670 b->file->directio = of.is_directio; | |
| 671 | |
| 672 out.buf = b; | |
| 673 out.next = NULL; | |
| 674 | |
| 675 return ngx_http_output_filter(r, &out); | |
| 676 } | |
| 677 | |
| 678 | |
| 679 static ngx_int_t | |
|
6782
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
680 ngx_http_mp4_atofp(u_char *line, size_t n, size_t point) |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
681 { |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
682 ngx_int_t value, cutoff, cutlim; |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
683 ngx_uint_t dot; |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
684 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
685 /* same as ngx_atofp(), but allows additional digits */ |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
686 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
687 if (n == 0) { |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
688 return NGX_ERROR; |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
689 } |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
690 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
691 cutoff = NGX_MAX_INT_T_VALUE / 10; |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
692 cutlim = NGX_MAX_INT_T_VALUE % 10; |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
693 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
694 dot = 0; |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
695 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
696 for (value = 0; n--; line++) { |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
697 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
698 if (*line == '.') { |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
699 if (dot) { |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
700 return NGX_ERROR; |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
701 } |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
702 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
703 dot = 1; |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
704 continue; |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
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|
705 } |
|
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parents:
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changeset
|
706 |
|
b123eae3fd4e
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Maxim Dounin <mdounin@mdounin.ru>
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|
707 if (*line < '0' || *line > '9') { |
|
b123eae3fd4e
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parents:
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|
708 return NGX_ERROR; |
|
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Mp4: introduced custom version of ngx_atofp().
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|
709 } |
|
b123eae3fd4e
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diff
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|
710 |
|
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Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
711 if (point == 0) { |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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parents:
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diff
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|
712 continue; |
|
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Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
713 } |
|
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Mp4: introduced custom version of ngx_atofp().
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diff
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|
714 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
715 if (value >= cutoff && (value > cutoff || *line - '0' > cutlim)) { |
|
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Mp4: introduced custom version of ngx_atofp().
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|
716 return NGX_ERROR; |
|
b123eae3fd4e
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|
717 } |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
718 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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parents:
6722
diff
changeset
|
719 value = value * 10 + (*line - '0'); |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
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|
720 point -= dot; |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
721 } |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
722 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
723 while (point--) { |
|
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Mp4: introduced custom version of ngx_atofp().
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diff
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|
724 if (value > cutoff) { |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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diff
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|
725 return NGX_ERROR; |
|
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diff
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|
726 } |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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parents:
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diff
changeset
|
727 |
|
b123eae3fd4e
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Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
728 value = value * 10; |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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diff
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|
729 } |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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parents:
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diff
changeset
|
730 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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diff
changeset
|
731 return value; |
|
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parents:
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|
732 } |
|
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Maxim Dounin <mdounin@mdounin.ru>
parents:
6722
diff
changeset
|
733 |
|
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Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
734 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
735 static ngx_int_t |
| 4085 | 736 ngx_http_mp4_process(ngx_http_mp4_file_t *mp4) |
| 737 { | |
|
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Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
738 off_t start_offset, end_offset, adjustment; |
| 4085 | 739 ngx_int_t rc; |
| 740 ngx_uint_t i, j; | |
| 741 ngx_chain_t **prev; | |
| 742 ngx_http_mp4_trak_t *trak; | |
| 743 ngx_http_mp4_conf_t *conf; | |
| 744 | |
|
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Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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changeset
|
745 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
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Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
746 "mp4 start:%ui, length:%ui", mp4->start, mp4->length); |
| 4085 | 747 |
| 748 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
| 749 | |
| 750 mp4->buffer_size = conf->buffer_size; | |
| 751 | |
| 752 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_atoms, mp4->end); | |
| 753 if (rc != NGX_OK) { | |
| 754 return rc; | |
| 755 } | |
| 756 | |
| 757 if (mp4->trak.nelts == 0) { | |
| 758 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 759 "no mp4 trak atoms were found in \"%s\"", | |
| 760 mp4->file.name.data); | |
| 761 return NGX_ERROR; | |
| 762 } | |
| 763 | |
| 764 if (mp4->mdat_atom.buf == NULL) { | |
| 765 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 766 "no mp4 mdat atom was found in \"%s\"", | |
| 767 mp4->file.name.data); | |
| 768 return NGX_ERROR; | |
| 769 } | |
| 770 | |
| 771 prev = &mp4->out; | |
| 772 | |
| 773 if (mp4->ftyp_atom.buf) { | |
| 774 *prev = &mp4->ftyp_atom; | |
| 775 prev = &mp4->ftyp_atom.next; | |
| 776 } | |
| 777 | |
| 778 *prev = &mp4->moov_atom; | |
| 779 prev = &mp4->moov_atom.next; | |
| 780 | |
| 781 if (mp4->mvhd_atom.buf) { | |
| 782 mp4->moov_size += mp4->mvhd_atom_buf.last - mp4->mvhd_atom_buf.pos; | |
| 783 *prev = &mp4->mvhd_atom; | |
| 784 prev = &mp4->mvhd_atom.next; | |
| 785 } | |
| 786 | |
| 787 start_offset = mp4->end; | |
|
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Mp4: added "end" argument support.
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parents:
5619
diff
changeset
|
788 end_offset = 0; |
| 4085 | 789 trak = mp4->trak.elts; |
| 790 | |
| 791 for (i = 0; i < mp4->trak.nelts; i++) { | |
| 792 | |
| 793 if (ngx_http_mp4_update_stts_atom(mp4, &trak[i]) != NGX_OK) { | |
| 794 return NGX_ERROR; | |
| 795 } | |
| 796 | |
| 797 if (ngx_http_mp4_update_stss_atom(mp4, &trak[i]) != NGX_OK) { | |
| 798 return NGX_ERROR; | |
| 799 } | |
| 800 | |
| 801 ngx_http_mp4_update_ctts_atom(mp4, &trak[i]); | |
| 802 | |
| 803 if (ngx_http_mp4_update_stsc_atom(mp4, &trak[i]) != NGX_OK) { | |
| 804 return NGX_ERROR; | |
| 805 } | |
| 806 | |
|
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Mp4: sanity checks cleanup.
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diff
changeset
|
807 if (ngx_http_mp4_update_stsz_atom(mp4, &trak[i]) != NGX_OK) { |
|
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|
808 return NGX_ERROR; |
|
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Mp4: sanity checks cleanup.
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parents:
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diff
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|
809 } |
| 4085 | 810 |
| 4112 | 811 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
| 812 if (ngx_http_mp4_update_co64_atom(mp4, &trak[i]) != NGX_OK) { | |
| 813 return NGX_ERROR; | |
| 814 } | |
| 815 | |
| 816 } else { | |
| 817 if (ngx_http_mp4_update_stco_atom(mp4, &trak[i]) != NGX_OK) { | |
| 818 return NGX_ERROR; | |
| 819 } | |
| 4085 | 820 } |
| 821 | |
| 822 ngx_http_mp4_update_stbl_atom(mp4, &trak[i]); | |
| 823 ngx_http_mp4_update_minf_atom(mp4, &trak[i]); | |
| 824 trak[i].size += trak[i].mdhd_size; | |
| 825 trak[i].size += trak[i].hdlr_size; | |
| 826 ngx_http_mp4_update_mdia_atom(mp4, &trak[i]); | |
| 827 trak[i].size += trak[i].tkhd_size; | |
| 828 ngx_http_mp4_update_trak_atom(mp4, &trak[i]); | |
| 829 | |
| 830 mp4->moov_size += trak[i].size; | |
| 831 | |
| 832 if (start_offset > trak[i].start_offset) { | |
| 833 start_offset = trak[i].start_offset; | |
| 834 } | |
| 835 | |
|
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Mp4: added "end" argument support.
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parents:
5619
diff
changeset
|
836 if (end_offset < trak[i].end_offset) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
837 end_offset = trak[i].end_offset; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
838 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
839 |
| 4085 | 840 *prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM]; |
| 841 prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM].next; | |
| 842 | |
| 843 for (j = 0; j < NGX_HTTP_MP4_LAST_ATOM + 1; j++) { | |
| 844 if (trak[i].out[j].buf) { | |
| 845 *prev = &trak[i].out[j]; | |
| 846 prev = &trak[i].out[j].next; | |
| 847 } | |
| 848 } | |
| 849 } | |
| 850 | |
|
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Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
851 if (end_offset < start_offset) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
852 end_offset = start_offset; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
853 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
854 |
| 4085 | 855 mp4->moov_size += 8; |
| 856 | |
| 857 ngx_mp4_set_32value(mp4->moov_atom_header, mp4->moov_size); | |
| 858 ngx_mp4_set_atom_name(mp4->moov_atom_header, 'm', 'o', 'o', 'v'); | |
| 859 mp4->content_length += mp4->moov_size; | |
| 860 | |
| 861 *prev = &mp4->mdat_atom; | |
| 862 | |
|
5097
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
863 if (start_offset > mp4->mdat_data.buf->file_last) { |
|
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
864 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
865 "start time is out mp4 mdat atom in \"%s\"", |
|
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
866 mp4->file.name.data); |
|
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
867 return NGX_ERROR; |
|
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
868 } |
|
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
869 |
| 4085 | 870 adjustment = mp4->ftyp_size + mp4->moov_size |
|
5620
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Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
871 + ngx_http_mp4_update_mdat_atom(mp4, start_offset, end_offset) |
| 4085 | 872 - start_offset; |
| 873 | |
|
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
874 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
| 4579 | 875 "mp4 adjustment:%O", adjustment); |
| 4085 | 876 |
| 877 for (i = 0; i < mp4->trak.nelts; i++) { | |
| 4112 | 878 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
| 879 ngx_http_mp4_adjust_co64_atom(mp4, &trak[i], adjustment); | |
| 880 } else { | |
| 881 ngx_http_mp4_adjust_stco_atom(mp4, &trak[i], (int32_t) adjustment); | |
| 882 } | |
| 4085 | 883 } |
| 884 | |
| 885 return NGX_OK; | |
| 886 } | |
| 887 | |
| 888 | |
| 889 typedef struct { | |
| 890 u_char size[4]; | |
| 891 u_char name[4]; | |
| 892 } ngx_mp4_atom_header_t; | |
| 893 | |
| 894 typedef struct { | |
| 895 u_char size[4]; | |
| 896 u_char name[4]; | |
| 897 u_char size64[8]; | |
| 898 } ngx_mp4_atom_header64_t; | |
| 899 | |
| 900 | |
| 901 static ngx_int_t | |
| 902 ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
| 903 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size) | |
| 904 { | |
| 905 off_t end; | |
| 906 size_t atom_header_size; | |
| 907 u_char *atom_header, *atom_name; | |
| 908 uint64_t atom_size; | |
| 909 ngx_int_t rc; | |
| 910 ngx_uint_t n; | |
| 911 | |
| 912 end = mp4->offset + atom_data_size; | |
| 913 | |
| 914 while (mp4->offset < end) { | |
| 915 | |
|
4585
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Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
916 if (ngx_http_mp4_read(mp4, sizeof(uint32_t)) != NGX_OK) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
917 return NGX_ERROR; |
| 4085 | 918 } |
| 919 | |
| 920 atom_header = mp4->buffer_pos; | |
| 921 atom_size = ngx_mp4_get_32value(atom_header); | |
| 922 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
| 923 | |
| 924 if (atom_size == 0) { | |
| 925 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 926 "mp4 atom end"); | |
| 927 return NGX_OK; | |
| 928 } | |
| 929 | |
| 930 if (atom_size < sizeof(ngx_mp4_atom_header_t)) { | |
| 931 | |
| 932 if (atom_size == 1) { | |
| 933 | |
|
4585
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Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
934 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header64_t)) |
|
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
935 != NGX_OK) |
| 4085 | 936 { |
|
4585
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Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
937 return NGX_ERROR; |
| 4085 | 938 } |
| 939 | |
| 940 /* 64-bit atom size */ | |
|
4585
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Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
941 atom_header = mp4->buffer_pos; |
| 4085 | 942 atom_size = ngx_mp4_get_64value(atom_header + 8); |
| 943 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
| 944 | |
| 945 } else { | |
| 946 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 947 "\"%s\" mp4 atom is too small:%uL", | |
| 948 mp4->file.name.data, atom_size); | |
| 949 return NGX_ERROR; | |
| 950 } | |
| 951 } | |
| 952 | |
|
4585
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Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
953 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header_t)) != NGX_OK) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
954 return NGX_ERROR; |
| 4085 | 955 } |
| 956 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
957 atom_header = mp4->buffer_pos; |
| 4085 | 958 atom_name = atom_header + sizeof(uint32_t); |
| 959 | |
|
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
960 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
| 4085 | 961 "mp4 atom: %*s @%O:%uL", |
|
6478
3ef7bb882ad4
Fixed logging with variable field width.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6474
diff
changeset
|
962 (size_t) 4, atom_name, mp4->offset, atom_size); |
| 4085 | 963 |
|
4585
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Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
964 if (atom_size > (uint64_t) (NGX_MAX_OFF_T_VALUE - mp4->offset) |
|
3f874d645f45
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parents:
4579
diff
changeset
|
965 || mp4->offset + (off_t) atom_size > end) |
|
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Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
966 { |
|
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parents:
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diff
changeset
|
967 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
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parents:
4579
diff
changeset
|
968 "\"%s\" mp4 atom too large:%uL", |
|
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Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
969 mp4->file.name.data, atom_size); |
|
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
970 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
971 } |
|
3f874d645f45
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parents:
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diff
changeset
|
972 |
| 4085 | 973 for (n = 0; atom[n].name; n++) { |
| 974 | |
| 975 if (ngx_strncmp(atom_name, atom[n].name, 4) == 0) { | |
| 976 | |
| 977 ngx_mp4_atom_next(mp4, atom_header_size); | |
| 978 | |
| 979 rc = atom[n].handler(mp4, atom_size - atom_header_size); | |
| 980 if (rc != NGX_OK) { | |
| 981 return rc; | |
| 982 } | |
| 983 | |
| 984 goto next; | |
| 985 } | |
| 986 } | |
| 987 | |
| 988 ngx_mp4_atom_next(mp4, atom_size); | |
| 989 | |
| 990 next: | |
| 991 continue; | |
| 992 } | |
| 993 | |
| 994 return NGX_OK; | |
| 995 } | |
| 996 | |
| 997 | |
| 998 static ngx_int_t | |
|
4585
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Mp4: sanity checks cleanup.
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parents:
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diff
changeset
|
999 ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size) |
| 4085 | 1000 { |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1001 ssize_t n; |
|
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1002 |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1003 if (mp4->buffer_pos + size <= mp4->buffer_end) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1004 return NGX_OK; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
1005 } |
| 4085 | 1006 |
| 1007 if (mp4->offset + (off_t) mp4->buffer_size > mp4->end) { | |
| 1008 mp4->buffer_size = (size_t) (mp4->end - mp4->offset); | |
| 1009 } | |
| 1010 | |
|
4585
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Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1011 if (mp4->buffer_size < size) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1012 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1013 "\"%s\" mp4 file truncated", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1014 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
1015 } |
|
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parents:
4579
diff
changeset
|
1016 |
| 4085 | 1017 if (mp4->buffer == NULL) { |
| 1018 mp4->buffer = ngx_palloc(mp4->request->pool, mp4->buffer_size); | |
| 1019 if (mp4->buffer == NULL) { | |
| 1020 return NGX_ERROR; | |
| 1021 } | |
| 1022 | |
| 1023 mp4->buffer_start = mp4->buffer; | |
| 1024 } | |
| 1025 | |
| 1026 n = ngx_read_file(&mp4->file, mp4->buffer_start, mp4->buffer_size, | |
| 1027 mp4->offset); | |
| 1028 | |
| 1029 if (n == NGX_ERROR) { | |
| 1030 return NGX_ERROR; | |
| 1031 } | |
| 1032 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1033 if ((size_t) n != mp4->buffer_size) { |
|
3f874d645f45
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parents:
4579
diff
changeset
|
1034 ngx_log_error(NGX_LOG_CRIT, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1035 ngx_read_file_n " read only %z of %z from \"%s\"", |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1036 n, mp4->buffer_size, mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1037 return NGX_ERROR; |
| 4085 | 1038 } |
| 1039 | |
| 1040 mp4->buffer_pos = mp4->buffer_start; | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1041 mp4->buffer_end = mp4->buffer_start + mp4->buffer_size; |
| 4085 | 1042 |
| 1043 return NGX_OK; | |
| 1044 } | |
| 1045 | |
| 1046 | |
| 1047 static ngx_int_t | |
| 1048 ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1049 { | |
| 1050 u_char *ftyp_atom; | |
| 1051 size_t atom_size; | |
| 1052 ngx_buf_t *atom; | |
| 1053 | |
| 1054 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ftyp atom"); | |
| 1055 | |
|
4585
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Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1056 if (atom_data_size > 1024 |
|
5359
2fda9065d0f4
Win32: Borland C compatibility fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5358
diff
changeset
|
1057 || ngx_mp4_atom_data(mp4) + (size_t) atom_data_size > mp4->buffer_end) |
|
4585
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parents:
4579
diff
changeset
|
1058 { |
| 4085 | 1059 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
| 1060 "\"%s\" mp4 ftyp atom is too large:%uL", | |
| 1061 mp4->file.name.data, atom_data_size); | |
| 1062 return NGX_ERROR; | |
| 1063 } | |
| 1064 | |
| 1065 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1066 | |
| 1067 ftyp_atom = ngx_palloc(mp4->request->pool, atom_size); | |
| 1068 if (ftyp_atom == NULL) { | |
| 1069 return NGX_ERROR; | |
| 1070 } | |
| 1071 | |
| 1072 ngx_mp4_set_32value(ftyp_atom, atom_size); | |
| 1073 ngx_mp4_set_atom_name(ftyp_atom, 'f', 't', 'y', 'p'); | |
| 1074 | |
| 1075 /* | |
| 1076 * only moov atom content is guaranteed to be in mp4->buffer | |
| 1077 * during sending response, so ftyp atom content should be copied | |
| 1078 */ | |
| 1079 ngx_memcpy(ftyp_atom + sizeof(ngx_mp4_atom_header_t), | |
| 1080 ngx_mp4_atom_data(mp4), (size_t) atom_data_size); | |
| 1081 | |
| 1082 atom = &mp4->ftyp_atom_buf; | |
| 1083 atom->temporary = 1; | |
| 1084 atom->pos = ftyp_atom; | |
| 1085 atom->last = ftyp_atom + atom_size; | |
| 1086 | |
| 1087 mp4->ftyp_atom.buf = atom; | |
| 1088 mp4->ftyp_size = atom_size; | |
| 1089 mp4->content_length = atom_size; | |
| 1090 | |
| 1091 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1092 | |
| 1093 return NGX_OK; | |
| 1094 } | |
| 1095 | |
| 1096 | |
| 1097 /* | |
| 1098 * Small excess buffer to process atoms after moov atom, mp4->buffer_start | |
| 1099 * will be set to this buffer part after moov atom processing. | |
| 1100 */ | |
| 1101 #define NGX_HTTP_MP4_MOOV_BUFFER_EXCESS (4 * 1024) | |
| 1102 | |
| 1103 static ngx_int_t | |
| 1104 ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1105 { | |
| 1106 ngx_int_t rc; | |
| 1107 ngx_uint_t no_mdat; | |
| 1108 ngx_buf_t *atom; | |
| 1109 ngx_http_mp4_conf_t *conf; | |
| 1110 | |
| 1111 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom"); | |
| 1112 | |
| 1113 no_mdat = (mp4->mdat_atom.buf == NULL); | |
| 1114 | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
1115 if (no_mdat && mp4->start == 0 && mp4->length == 0) { |
| 4085 | 1116 /* |
| 1117 * send original file if moov atom resides before | |
| 1118 * mdat atom and client requests integral file | |
| 1119 */ | |
| 1120 return NGX_DECLINED; | |
| 1121 } | |
| 1122 | |
| 1123 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
| 1124 | |
| 1125 if (atom_data_size > mp4->buffer_size) { | |
| 1126 | |
|
4089
e27670e1ab70
mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
Igor Sysoev <igor@sysoev.ru>
parents:
4088
diff
changeset
|
1127 if (atom_data_size > conf->max_buffer_size) { |
| 4085 | 1128 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
| 1129 "\"%s\" mp4 moov atom is too large:%uL, " | |
|
4089
e27670e1ab70
mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
Igor Sysoev <igor@sysoev.ru>
parents:
4088
diff
changeset
|
1130 "you may want to increase mp4_max_buffer_size", |
| 4085 | 1131 mp4->file.name.data, atom_data_size); |
| 1132 return NGX_ERROR; | |
| 1133 } | |
| 1134 | |
| 1135 ngx_pfree(mp4->request->pool, mp4->buffer); | |
| 1136 mp4->buffer = NULL; | |
| 1137 mp4->buffer_pos = NULL; | |
| 1138 mp4->buffer_end = NULL; | |
| 1139 | |
| 1140 mp4->buffer_size = (size_t) atom_data_size | |
| 1141 + NGX_HTTP_MP4_MOOV_BUFFER_EXCESS * no_mdat; | |
| 1142 } | |
| 1143 | |
|
4705
9a43b145a8ba
Mp4: fixed build on win32 after r4689.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4688
diff
changeset
|
1144 if (ngx_http_mp4_read(mp4, (size_t) atom_data_size) != NGX_OK) { |
|
4688
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4687
diff
changeset
|
1145 return NGX_ERROR; |
|
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4687
diff
changeset
|
1146 } |
|
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4687
diff
changeset
|
1147 |
| 4085 | 1148 mp4->trak.elts = &mp4->traks; |
| 1149 mp4->trak.size = sizeof(ngx_http_mp4_trak_t); | |
| 1150 mp4->trak.nalloc = 2; | |
| 1151 mp4->trak.pool = mp4->request->pool; | |
| 1152 | |
| 1153 atom = &mp4->moov_atom_buf; | |
| 1154 atom->temporary = 1; | |
| 1155 atom->pos = mp4->moov_atom_header; | |
| 1156 atom->last = mp4->moov_atom_header + 8; | |
| 1157 | |
| 1158 mp4->moov_atom.buf = &mp4->moov_atom_buf; | |
| 1159 | |
| 1160 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_moov_atoms, atom_data_size); | |
| 1161 | |
| 1162 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom done"); | |
| 1163 | |
| 1164 if (no_mdat) { | |
| 1165 mp4->buffer_start = mp4->buffer_pos; | |
| 1166 mp4->buffer_size = NGX_HTTP_MP4_MOOV_BUFFER_EXCESS; | |
| 1167 | |
|
4688
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4687
diff
changeset
|
1168 if (mp4->buffer_start + mp4->buffer_size > mp4->buffer_end) { |
|
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4687
diff
changeset
|
1169 mp4->buffer = NULL; |
|
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4687
diff
changeset
|
1170 mp4->buffer_pos = NULL; |
|
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4687
diff
changeset
|
1171 mp4->buffer_end = NULL; |
|
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4687
diff
changeset
|
1172 } |
|
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4687
diff
changeset
|
1173 |
| 4085 | 1174 } else { |
| 1175 /* skip atoms after moov atom */ | |
| 1176 mp4->offset = mp4->end; | |
| 1177 } | |
| 1178 | |
| 1179 return rc; | |
| 1180 } | |
| 1181 | |
| 1182 | |
| 1183 static ngx_int_t | |
| 1184 ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1185 { | |
| 1186 ngx_buf_t *data; | |
| 1187 | |
| 1188 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdat atom"); | |
| 1189 | |
| 1190 data = &mp4->mdat_data_buf; | |
| 1191 data->file = &mp4->file; | |
| 1192 data->in_file = 1; | |
|
6722
6136a51f9c21
Do not set last_buf flag in subrequests.
Roman Arutyunyan <arut@nginx.com>
parents:
6504
diff
changeset
|
1193 data->last_buf = (mp4->request == mp4->request->main) ? 1 : 0; |
| 4085 | 1194 data->last_in_chain = 1; |
| 1195 data->file_last = mp4->offset + atom_data_size; | |
| 1196 | |
| 1197 mp4->mdat_atom.buf = &mp4->mdat_atom_buf; | |
| 1198 mp4->mdat_atom.next = &mp4->mdat_data; | |
| 1199 mp4->mdat_data.buf = data; | |
| 1200 | |
| 1201 if (mp4->trak.nelts) { | |
| 1202 /* skip atoms after mdat atom */ | |
| 1203 mp4->offset = mp4->end; | |
| 1204 | |
| 1205 } else { | |
| 1206 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1207 } | |
| 1208 | |
| 1209 return NGX_OK; | |
| 1210 } | |
| 1211 | |
| 1212 | |
| 1213 static size_t | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
1214 ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, off_t start_offset, |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
1215 off_t end_offset) |
| 4085 | 1216 { |
| 1217 off_t atom_data_size; | |
| 1218 u_char *atom_header; | |
| 1219 uint32_t atom_header_size; | |
| 1220 uint64_t atom_size; | |
| 1221 ngx_buf_t *atom; | |
| 1222 | |
|
5620
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Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
1223 atom_data_size = end_offset - start_offset; |
| 4085 | 1224 mp4->mdat_data.buf->file_pos = start_offset; |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
1225 mp4->mdat_data.buf->file_last = end_offset; |
| 4085 | 1226 |
|
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
1227 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
| 4085 | 1228 "mdat new offset @%O:%O", start_offset, atom_data_size); |
| 1229 | |
| 1230 atom_header = mp4->mdat_atom_header; | |
| 1231 | |
|
5358
670ceaba03d8
Win32: Open Watcom C compatibility fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5202
diff
changeset
|
1232 if ((uint64_t) atom_data_size > (uint64_t) 0xffffffff) { |
| 4085 | 1233 atom_size = 1; |
| 1234 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
| 1235 ngx_mp4_set_64value(atom_header + sizeof(ngx_mp4_atom_header_t), | |
| 1236 sizeof(ngx_mp4_atom_header64_t) + atom_data_size); | |
| 1237 } else { | |
| 1238 atom_size = sizeof(ngx_mp4_atom_header_t) + atom_data_size; | |
| 1239 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
| 1240 } | |
| 1241 | |
|
4282
71cdac0b9ea6
Fix of "Content-Length" header of MP4 response if start argument was used.
Igor Sysoev <igor@sysoev.ru>
parents:
4189
diff
changeset
|
1242 mp4->content_length += atom_header_size + atom_data_size; |
|
71cdac0b9ea6
Fix of "Content-Length" header of MP4 response if start argument was used.
Igor Sysoev <igor@sysoev.ru>
parents:
4189
diff
changeset
|
1243 |
| 4085 | 1244 ngx_mp4_set_32value(atom_header, atom_size); |
| 1245 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'a', 't'); | |
| 1246 | |
| 1247 atom = &mp4->mdat_atom_buf; | |
| 1248 atom->temporary = 1; | |
| 1249 atom->pos = atom_header; | |
| 1250 atom->last = atom_header + atom_header_size; | |
| 1251 | |
| 1252 return atom_header_size; | |
| 1253 } | |
| 1254 | |
| 1255 | |
| 1256 typedef struct { | |
| 1257 u_char size[4]; | |
| 1258 u_char name[4]; | |
| 1259 u_char version[1]; | |
| 1260 u_char flags[3]; | |
| 1261 u_char creation_time[4]; | |
| 1262 u_char modification_time[4]; | |
| 1263 u_char timescale[4]; | |
| 1264 u_char duration[4]; | |
| 1265 u_char rate[4]; | |
| 1266 u_char volume[2]; | |
| 1267 u_char reserved[10]; | |
| 1268 u_char matrix[36]; | |
| 1269 u_char preview_time[4]; | |
| 1270 u_char preview_duration[4]; | |
| 1271 u_char poster_time[4]; | |
| 1272 u_char selection_time[4]; | |
| 1273 u_char selection_duration[4]; | |
| 1274 u_char current_time[4]; | |
| 1275 u_char next_track_id[4]; | |
| 1276 } ngx_mp4_mvhd_atom_t; | |
| 1277 | |
| 1278 typedef struct { | |
| 1279 u_char size[4]; | |
| 1280 u_char name[4]; | |
| 1281 u_char version[1]; | |
| 1282 u_char flags[3]; | |
| 1283 u_char creation_time[8]; | |
| 1284 u_char modification_time[8]; | |
| 1285 u_char timescale[4]; | |
| 1286 u_char duration[8]; | |
| 1287 u_char rate[4]; | |
| 1288 u_char volume[2]; | |
| 1289 u_char reserved[10]; | |
| 1290 u_char matrix[36]; | |
| 1291 u_char preview_time[4]; | |
| 1292 u_char preview_duration[4]; | |
| 1293 u_char poster_time[4]; | |
| 1294 u_char selection_time[4]; | |
| 1295 u_char selection_duration[4]; | |
| 1296 u_char current_time[4]; | |
| 1297 u_char next_track_id[4]; | |
| 1298 } ngx_mp4_mvhd64_atom_t; | |
| 1299 | |
| 1300 | |
| 1301 static ngx_int_t | |
| 1302 ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1303 { | |
| 1304 u_char *atom_header; | |
| 1305 size_t atom_size; | |
| 1306 uint32_t timescale; | |
|
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1307 uint64_t duration, start_time, length_time; |
| 4085 | 1308 ngx_buf_t *atom; |
| 1309 ngx_mp4_mvhd_atom_t *mvhd_atom; | |
| 1310 ngx_mp4_mvhd64_atom_t *mvhd64_atom; | |
| 1311 | |
| 1312 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mvhd atom"); | |
| 1313 | |
| 1314 atom_header = ngx_mp4_atom_header(mp4); | |
| 1315 mvhd_atom = (ngx_mp4_mvhd_atom_t *) atom_header; | |
| 1316 mvhd64_atom = (ngx_mp4_mvhd64_atom_t *) atom_header; | |
| 1317 ngx_mp4_set_atom_name(atom_header, 'm', 'v', 'h', 'd'); | |
| 1318 | |
|
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1319 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd_atom_t) > atom_data_size) { |
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1320 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1321 "\"%s\" mp4 mvhd atom too small", mp4->file.name.data); |
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1322 return NGX_ERROR; |
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1323 } |
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1324 |
| 4085 | 1325 if (mvhd_atom->version[0] == 0) { |
| 1326 /* version 0: 32-bit duration */ | |
| 1327 timescale = ngx_mp4_get_32value(mvhd_atom->timescale); | |
| 1328 duration = ngx_mp4_get_32value(mvhd_atom->duration); | |
| 1329 | |
| 1330 } else { | |
| 1331 /* version 1: 64-bit duration */ | |
|
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1332 |
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1333 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd64_atom_t) > atom_data_size) { |
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1334 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1335 "\"%s\" mp4 mvhd atom too small", |
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1336 mp4->file.name.data); |
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1337 return NGX_ERROR; |
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1338 } |
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1339 |
| 4085 | 1340 timescale = ngx_mp4_get_32value(mvhd64_atom->timescale); |
| 1341 duration = ngx_mp4_get_64value(mvhd64_atom->duration); | |
| 1342 } | |
| 1343 | |
| 1344 mp4->timescale = timescale; | |
| 1345 | |
| 1346 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 1347 "mvhd timescale:%uD, duration:%uL, time:%.3fs", | |
| 1348 timescale, duration, (double) duration / timescale); | |
| 1349 | |
|
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1350 start_time = (uint64_t) mp4->start * timescale / 1000; |
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1351 |
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1352 if (duration < start_time) { |
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1353 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1354 "\"%s\" mp4 start time exceeds file duration", |
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1355 mp4->file.name.data); |
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1356 return NGX_ERROR; |
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1357 } |
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1358 |
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1359 duration -= start_time; |
| 4085 | 1360 |
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1361 if (mp4->length) { |
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1362 length_time = (uint64_t) mp4->length * timescale / 1000; |
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1363 |
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1364 if (duration > length_time) { |
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1365 duration = length_time; |
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1366 } |
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1367 } |
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1368 |
| 4085 | 1369 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
| 1370 "mvhd new duration:%uL, time:%.3fs", | |
| 1371 duration, (double) duration / timescale); | |
| 1372 | |
| 1373 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1374 ngx_mp4_set_32value(mvhd_atom->size, atom_size); | |
| 1375 | |
| 1376 if (mvhd_atom->version[0] == 0) { | |
| 1377 ngx_mp4_set_32value(mvhd_atom->duration, duration); | |
| 1378 | |
| 1379 } else { | |
| 1380 ngx_mp4_set_64value(mvhd64_atom->duration, duration); | |
| 1381 } | |
| 1382 | |
| 1383 atom = &mp4->mvhd_atom_buf; | |
| 1384 atom->temporary = 1; | |
| 1385 atom->pos = atom_header; | |
| 1386 atom->last = atom_header + atom_size; | |
| 1387 | |
| 1388 mp4->mvhd_atom.buf = atom; | |
| 1389 | |
| 1390 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1391 | |
| 1392 return NGX_OK; | |
| 1393 } | |
| 1394 | |
| 1395 | |
| 1396 static ngx_int_t | |
| 1397 ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1398 { | |
|
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1399 u_char *atom_header, *atom_end; |
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1400 off_t atom_file_end; |
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1401 ngx_int_t rc; |
| 4085 | 1402 ngx_buf_t *atom; |
| 1403 ngx_http_mp4_trak_t *trak; | |
| 1404 | |
| 1405 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 trak atom"); | |
| 1406 | |
| 1407 trak = ngx_array_push(&mp4->trak); | |
| 1408 if (trak == NULL) { | |
| 1409 return NGX_ERROR; | |
| 1410 } | |
| 1411 | |
| 1412 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); | |
| 1413 | |
| 1414 atom_header = ngx_mp4_atom_header(mp4); | |
| 1415 ngx_mp4_set_atom_name(atom_header, 't', 'r', 'a', 'k'); | |
| 1416 | |
| 1417 atom = &trak->trak_atom_buf; | |
| 1418 atom->temporary = 1; | |
| 1419 atom->pos = atom_header; | |
| 1420 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
| 1421 | |
| 1422 trak->out[NGX_HTTP_MP4_TRAK_ATOM].buf = atom; | |
| 1423 | |
|
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1424 atom_end = mp4->buffer_pos + (size_t) atom_data_size; |
|
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1425 atom_file_end = mp4->offset + atom_data_size; |
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1426 |
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1427 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_trak_atoms, atom_data_size); |
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1428 |
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1429 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1430 "mp4 trak atom: %i", rc); |
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1431 |
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|
1432 if (rc == NGX_DECLINED) { |
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1433 /* skip this trak */ |
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|
1434 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); |
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|
1435 mp4->trak.nelts--; |
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|
1436 mp4->buffer_pos = atom_end; |
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|
1437 mp4->offset = atom_file_end; |
|
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|
1438 return NGX_OK; |
|
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diff
changeset
|
1439 } |
|
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|
1440 |
|
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|
1441 return rc; |
| 4085 | 1442 } |
| 1443 | |
| 1444 | |
| 1445 static void | |
| 1446 ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
| 1447 ngx_http_mp4_trak_t *trak) | |
| 1448 { | |
| 1449 ngx_buf_t *atom; | |
| 1450 | |
| 1451 trak->size += sizeof(ngx_mp4_atom_header_t); | |
| 1452 atom = &trak->trak_atom_buf; | |
| 1453 ngx_mp4_set_32value(atom->pos, trak->size); | |
| 1454 } | |
| 1455 | |
| 1456 | |
| 1457 static ngx_int_t | |
| 1458 ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1459 { | |
| 1460 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 1461 "\"%s\" mp4 compressed moov atom (cmov) is not supported", | |
| 1462 mp4->file.name.data); | |
| 1463 | |
| 1464 return NGX_ERROR; | |
| 1465 } | |
| 1466 | |
| 1467 | |
| 1468 typedef struct { | |
| 1469 u_char size[4]; | |
| 1470 u_char name[4]; | |
| 1471 u_char version[1]; | |
| 1472 u_char flags[3]; | |
| 1473 u_char creation_time[4]; | |
| 1474 u_char modification_time[4]; | |
| 1475 u_char track_id[4]; | |
| 1476 u_char reserved1[4]; | |
| 1477 u_char duration[4]; | |
| 1478 u_char reserved2[8]; | |
| 1479 u_char layer[2]; | |
| 1480 u_char group[2]; | |
| 1481 u_char volume[2]; | |
| 6504 | 1482 u_char reserved3[2]; |
| 4085 | 1483 u_char matrix[36]; |
| 1484 u_char width[4]; | |
| 6504 | 1485 u_char height[4]; |
| 4085 | 1486 } ngx_mp4_tkhd_atom_t; |
| 1487 | |
| 1488 typedef struct { | |
| 1489 u_char size[4]; | |
| 1490 u_char name[4]; | |
| 1491 u_char version[1]; | |
| 1492 u_char flags[3]; | |
| 1493 u_char creation_time[8]; | |
| 1494 u_char modification_time[8]; | |
| 1495 u_char track_id[4]; | |
| 1496 u_char reserved1[4]; | |
| 1497 u_char duration[8]; | |
| 1498 u_char reserved2[8]; | |
| 1499 u_char layer[2]; | |
| 1500 u_char group[2]; | |
| 1501 u_char volume[2]; | |
| 6504 | 1502 u_char reserved3[2]; |
| 4085 | 1503 u_char matrix[36]; |
| 1504 u_char width[4]; | |
| 6504 | 1505 u_char height[4]; |
| 4085 | 1506 } ngx_mp4_tkhd64_atom_t; |
| 1507 | |
| 1508 | |
| 1509 static ngx_int_t | |
| 1510 ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1511 { | |
| 1512 u_char *atom_header; | |
| 1513 size_t atom_size; | |
|
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1514 uint64_t duration, start_time, length_time; |
| 4085 | 1515 ngx_buf_t *atom; |
| 1516 ngx_http_mp4_trak_t *trak; | |
| 1517 ngx_mp4_tkhd_atom_t *tkhd_atom; | |
| 1518 ngx_mp4_tkhd64_atom_t *tkhd64_atom; | |
| 1519 | |
| 1520 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 tkhd atom"); | |
| 1521 | |
| 1522 atom_header = ngx_mp4_atom_header(mp4); | |
| 1523 tkhd_atom = (ngx_mp4_tkhd_atom_t *) atom_header; | |
| 1524 tkhd64_atom = (ngx_mp4_tkhd64_atom_t *) atom_header; | |
| 1525 ngx_mp4_set_atom_name(tkhd_atom, 't', 'k', 'h', 'd'); | |
| 1526 | |
|
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1527 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd_atom_t) > atom_data_size) { |
|
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|
1528 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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|
1529 "\"%s\" mp4 tkhd atom too small", mp4->file.name.data); |
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1530 return NGX_ERROR; |
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|
1531 } |
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|
1532 |
| 4085 | 1533 if (tkhd_atom->version[0] == 0) { |
| 1534 /* version 0: 32-bit duration */ | |
| 1535 duration = ngx_mp4_get_32value(tkhd_atom->duration); | |
| 1536 | |
| 1537 } else { | |
| 1538 /* version 1: 64-bit duration */ | |
|
4585
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|
1539 |
|
3f874d645f45
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parents:
4579
diff
changeset
|
1540 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd64_atom_t) > atom_data_size) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
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|
1541 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
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Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1542 "\"%s\" mp4 tkhd atom too small", |
|
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Mp4: sanity checks cleanup.
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parents:
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|
1543 mp4->file.name.data); |
|
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|
1544 return NGX_ERROR; |
|
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Mp4: sanity checks cleanup.
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|
1545 } |
|
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|
1546 |
| 4085 | 1547 duration = ngx_mp4_get_64value(tkhd64_atom->duration); |
| 1548 } | |
| 1549 | |
| 1550 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 1551 "tkhd duration:%uL, time:%.3fs", | |
| 1552 duration, (double) duration / mp4->timescale); | |
| 1553 | |
|
5543
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Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1554 start_time = (uint64_t) mp4->start * mp4->timescale / 1000; |
|
5730c0193842
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diff
changeset
|
1555 |
|
5629
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Mp4: fixed seeking to a track end.
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parents:
5622
diff
changeset
|
1556 if (duration <= start_time) { |
|
5543
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|
1557 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
5730c0193842
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diff
changeset
|
1558 "tkhd duration is less than start time"); |
|
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|
1559 return NGX_DECLINED; |
|
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|
1560 } |
|
5730c0193842
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Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1561 |
|
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|
1562 duration -= start_time; |
| 4085 | 1563 |
|
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diff
changeset
|
1564 if (mp4->length) { |
|
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parents:
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diff
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|
1565 length_time = (uint64_t) mp4->length * mp4->timescale / 1000; |
|
0a567878254b
Mp4: added "end" argument support.
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parents:
5619
diff
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|
1566 |
|
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parents:
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|
1567 if (duration > length_time) { |
|
0a567878254b
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parents:
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diff
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|
1568 duration = length_time; |
|
0a567878254b
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parents:
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diff
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|
1569 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
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|
1570 } |
|
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|
1571 |
| 4085 | 1572 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
| 1573 "tkhd new duration:%uL, time:%.3fs", | |
| 1574 duration, (double) duration / mp4->timescale); | |
| 1575 | |
| 1576 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1577 | |
| 1578 trak = ngx_mp4_last_trak(mp4); | |
| 1579 trak->tkhd_size = atom_size; | |
| 1580 | |
| 1581 ngx_mp4_set_32value(tkhd_atom->size, atom_size); | |
| 1582 | |
| 1583 if (tkhd_atom->version[0] == 0) { | |
| 1584 ngx_mp4_set_32value(tkhd_atom->duration, duration); | |
| 1585 | |
| 1586 } else { | |
| 1587 ngx_mp4_set_64value(tkhd64_atom->duration, duration); | |
| 1588 } | |
| 1589 | |
| 1590 atom = &trak->tkhd_atom_buf; | |
| 1591 atom->temporary = 1; | |
| 1592 atom->pos = atom_header; | |
| 1593 atom->last = atom_header + atom_size; | |
| 1594 | |
| 1595 trak->out[NGX_HTTP_MP4_TKHD_ATOM].buf = atom; | |
| 1596 | |
| 1597 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1598 | |
| 1599 return NGX_OK; | |
| 1600 } | |
| 1601 | |
| 1602 | |
| 1603 static ngx_int_t | |
| 1604 ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1605 { | |
| 1606 u_char *atom_header; | |
| 1607 ngx_buf_t *atom; | |
| 1608 ngx_http_mp4_trak_t *trak; | |
| 1609 | |
| 1610 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process mdia atom"); | |
| 1611 | |
| 1612 atom_header = ngx_mp4_atom_header(mp4); | |
| 1613 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'i', 'a'); | |
| 1614 | |
| 1615 trak = ngx_mp4_last_trak(mp4); | |
| 1616 | |
| 1617 atom = &trak->mdia_atom_buf; | |
| 1618 atom->temporary = 1; | |
| 1619 atom->pos = atom_header; | |
| 1620 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
| 1621 | |
| 1622 trak->out[NGX_HTTP_MP4_MDIA_ATOM].buf = atom; | |
| 1623 | |
| 1624 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_mdia_atoms, atom_data_size); | |
| 1625 } | |
| 1626 | |
| 1627 | |
| 1628 static void | |
| 1629 ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
| 1630 ngx_http_mp4_trak_t *trak) | |
| 1631 { | |
| 1632 ngx_buf_t *atom; | |
| 1633 | |
| 1634 trak->size += sizeof(ngx_mp4_atom_header_t); | |
| 1635 atom = &trak->mdia_atom_buf; | |
| 1636 ngx_mp4_set_32value(atom->pos, trak->size); | |
| 1637 } | |
| 1638 | |
| 1639 | |
| 1640 typedef struct { | |
| 1641 u_char size[4]; | |
| 1642 u_char name[4]; | |
| 1643 u_char version[1]; | |
| 1644 u_char flags[3]; | |
| 1645 u_char creation_time[4]; | |
| 1646 u_char modification_time[4]; | |
| 1647 u_char timescale[4]; | |
| 1648 u_char duration[4]; | |
| 1649 u_char language[2]; | |
| 1650 u_char quality[2]; | |
| 1651 } ngx_mp4_mdhd_atom_t; | |
| 1652 | |
| 1653 typedef struct { | |
| 1654 u_char size[4]; | |
| 1655 u_char name[4]; | |
| 1656 u_char version[1]; | |
| 1657 u_char flags[3]; | |
| 1658 u_char creation_time[8]; | |
| 1659 u_char modification_time[8]; | |
| 1660 u_char timescale[4]; | |
| 1661 u_char duration[8]; | |
| 1662 u_char language[2]; | |
| 1663 u_char quality[2]; | |
| 1664 } ngx_mp4_mdhd64_atom_t; | |
| 1665 | |
| 1666 | |
| 1667 static ngx_int_t | |
| 1668 ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1669 { | |
| 1670 u_char *atom_header; | |
| 1671 size_t atom_size; | |
| 1672 uint32_t timescale; | |
|
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|
1673 uint64_t duration, start_time, length_time; |
| 4085 | 1674 ngx_buf_t *atom; |
| 1675 ngx_http_mp4_trak_t *trak; | |
| 1676 ngx_mp4_mdhd_atom_t *mdhd_atom; | |
| 1677 ngx_mp4_mdhd64_atom_t *mdhd64_atom; | |
| 1678 | |
| 1679 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdhd atom"); | |
| 1680 | |
| 1681 atom_header = ngx_mp4_atom_header(mp4); | |
| 1682 mdhd_atom = (ngx_mp4_mdhd_atom_t *) atom_header; | |
| 1683 mdhd64_atom = (ngx_mp4_mdhd64_atom_t *) atom_header; | |
| 1684 ngx_mp4_set_atom_name(mdhd_atom, 'm', 'd', 'h', 'd'); | |
| 1685 | |
|
4585
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|
1686 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd_atom_t) > atom_data_size) { |
|
3f874d645f45
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|
1687 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
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diff
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|
1688 "\"%s\" mp4 mdhd atom too small", mp4->file.name.data); |
|
3f874d645f45
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diff
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|
1689 return NGX_ERROR; |
|
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|
1690 } |
|
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|
1691 |
| 4085 | 1692 if (mdhd_atom->version[0] == 0) { |
| 1693 /* version 0: everything is 32-bit */ | |
| 1694 timescale = ngx_mp4_get_32value(mdhd_atom->timescale); | |
| 1695 duration = ngx_mp4_get_32value(mdhd_atom->duration); | |
| 1696 | |
| 1697 } else { | |
| 1698 /* version 1: 64-bit duration and 32-bit timescale */ | |
|
4585
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|
1699 |
|
3f874d645f45
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4579
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changeset
|
1700 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd64_atom_t) > atom_data_size) { |
|
3f874d645f45
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parents:
4579
diff
changeset
|
1701 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1702 "\"%s\" mp4 mdhd atom too small", |
|
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
1703 mp4->file.name.data); |
|
3f874d645f45
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Maxim Dounin <mdounin@mdounin.ru>
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4579
diff
changeset
|
1704 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
1705 } |
|
3f874d645f45
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parents:
4579
diff
changeset
|
1706 |
| 4085 | 1707 timescale = ngx_mp4_get_32value(mdhd64_atom->timescale); |
| 1708 duration = ngx_mp4_get_64value(mdhd64_atom->duration); | |
| 1709 } | |
| 1710 | |
| 1711 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 1712 "mdhd timescale:%uD, duration:%uL, time:%.3fs", | |
| 1713 timescale, duration, (double) duration / timescale); | |
| 1714 | |
|
5543
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Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1715 start_time = (uint64_t) mp4->start * timescale / 1000; |
|
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1716 |
|
5629
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Mp4: fixed seeking to a track end.
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5622
diff
changeset
|
1717 if (duration <= start_time) { |
|
5543
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Roman Arutyunyan <arut@nginx.com>
parents:
5542
diff
changeset
|
1718 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
Roman Arutyunyan <arut@nginx.com>
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5542
diff
changeset
|
1719 "mdhd duration is less than start time"); |
|
5730c0193842
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5542
diff
changeset
|
1720 return NGX_DECLINED; |
|
5730c0193842
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diff
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|
1721 } |
|
5730c0193842
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diff
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|
1722 |
|
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diff
changeset
|
1723 duration -= start_time; |
| 4085 | 1724 |
|
5620
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|
1725 if (mp4->length) { |
|
0a567878254b
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5619
diff
changeset
|
1726 length_time = (uint64_t) mp4->length * timescale / 1000; |
|
0a567878254b
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|
1727 |
|
0a567878254b
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diff
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|
1728 if (duration > length_time) { |
|
0a567878254b
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diff
changeset
|
1729 duration = length_time; |
|
0a567878254b
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Roman Arutyunyan <arut@nginx.com>
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5619
diff
changeset
|
1730 } |
|
0a567878254b
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Roman Arutyunyan <arut@nginx.com>
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|
1731 } |
|
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|
1732 |
| 4085 | 1733 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
| 1734 "mdhd new duration:%uL, time:%.3fs", | |
| 1735 duration, (double) duration / timescale); | |
| 1736 | |
| 1737 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1738 | |
| 1739 trak = ngx_mp4_last_trak(mp4); | |
| 1740 trak->mdhd_size = atom_size; | |
| 1741 trak->timescale = timescale; | |
| 1742 | |
| 1743 ngx_mp4_set_32value(mdhd_atom->size, atom_size); | |
| 1744 | |
| 1745 if (mdhd_atom->version[0] == 0) { | |
| 1746 ngx_mp4_set_32value(mdhd_atom->duration, duration); | |
| 1747 | |
| 1748 } else { | |
| 1749 ngx_mp4_set_64value(mdhd64_atom->duration, duration); | |
| 1750 } | |
| 1751 | |
| 1752 atom = &trak->mdhd_atom_buf; | |
| 1753 atom->temporary = 1; | |
| 1754 atom->pos = atom_header; | |
| 1755 atom->last = atom_header + atom_size; | |
| 1756 | |
| 1757 trak->out[NGX_HTTP_MP4_MDHD_ATOM].buf = atom; | |
| 1758 | |
| 1759 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1760 | |
| 1761 return NGX_OK; | |
| 1762 } | |
| 1763 | |
| 1764 | |
| 1765 static ngx_int_t | |
| 1766 ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1767 { | |
| 1768 u_char *atom_header; | |
| 1769 size_t atom_size; | |
| 1770 ngx_buf_t *atom; | |
| 1771 ngx_http_mp4_trak_t *trak; | |
| 1772 | |
| 1773 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 hdlr atom"); | |
| 1774 | |
| 1775 atom_header = ngx_mp4_atom_header(mp4); | |
| 1776 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1777 ngx_mp4_set_32value(atom_header, atom_size); | |
| 1778 ngx_mp4_set_atom_name(atom_header, 'h', 'd', 'l', 'r'); | |
| 1779 | |
| 1780 trak = ngx_mp4_last_trak(mp4); | |
| 1781 | |
| 1782 atom = &trak->hdlr_atom_buf; | |
| 1783 atom->temporary = 1; | |
| 1784 atom->pos = atom_header; | |
| 1785 atom->last = atom_header + atom_size; | |
| 1786 | |
| 1787 trak->hdlr_size = atom_size; | |
| 1788 trak->out[NGX_HTTP_MP4_HDLR_ATOM].buf = atom; | |
| 1789 | |
| 1790 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1791 | |
| 1792 return NGX_OK; | |
| 1793 } | |
| 1794 | |
| 1795 | |
| 1796 static ngx_int_t | |
| 1797 ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1798 { | |
| 1799 u_char *atom_header; | |
| 1800 ngx_buf_t *atom; | |
| 1801 ngx_http_mp4_trak_t *trak; | |
| 1802 | |
| 1803 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process minf atom"); | |
| 1804 | |
| 1805 atom_header = ngx_mp4_atom_header(mp4); | |
| 1806 ngx_mp4_set_atom_name(atom_header, 'm', 'i', 'n', 'f'); | |
| 1807 | |
| 1808 trak = ngx_mp4_last_trak(mp4); | |
| 1809 | |
| 1810 atom = &trak->minf_atom_buf; | |
| 1811 atom->temporary = 1; | |
| 1812 atom->pos = atom_header; | |
| 1813 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
| 1814 | |
| 1815 trak->out[NGX_HTTP_MP4_MINF_ATOM].buf = atom; | |
| 1816 | |
| 1817 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_minf_atoms, atom_data_size); | |
| 1818 } | |
| 1819 | |
| 1820 | |
| 1821 static void | |
| 1822 ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
| 1823 ngx_http_mp4_trak_t *trak) | |
| 1824 { | |
| 1825 ngx_buf_t *atom; | |
| 1826 | |
| 1827 trak->size += sizeof(ngx_mp4_atom_header_t) | |
| 1828 + trak->vmhd_size | |
| 1829 + trak->smhd_size | |
| 1830 + trak->dinf_size; | |
| 1831 atom = &trak->minf_atom_buf; | |
| 1832 ngx_mp4_set_32value(atom->pos, trak->size); | |
| 1833 } | |
| 1834 | |
| 1835 | |
| 1836 static ngx_int_t | |
| 1837 ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1838 { | |
| 1839 u_char *atom_header; | |
| 1840 size_t atom_size; | |
| 1841 ngx_buf_t *atom; | |
| 1842 ngx_http_mp4_trak_t *trak; | |
| 1843 | |
| 1844 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 vmhd atom"); | |
| 1845 | |
| 1846 atom_header = ngx_mp4_atom_header(mp4); | |
| 1847 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1848 ngx_mp4_set_32value(atom_header, atom_size); | |
| 1849 ngx_mp4_set_atom_name(atom_header, 'v', 'm', 'h', 'd'); | |
| 1850 | |
| 1851 trak = ngx_mp4_last_trak(mp4); | |
| 1852 | |
| 1853 atom = &trak->vmhd_atom_buf; | |
| 1854 atom->temporary = 1; | |
| 1855 atom->pos = atom_header; | |
| 1856 atom->last = atom_header + atom_size; | |
| 1857 | |
| 1858 trak->vmhd_size += atom_size; | |
| 1859 trak->out[NGX_HTTP_MP4_VMHD_ATOM].buf = atom; | |
| 1860 | |
| 1861 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1862 | |
| 1863 return NGX_OK; | |
| 1864 } | |
| 1865 | |
| 1866 | |
| 1867 static ngx_int_t | |
| 1868 ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1869 { | |
| 1870 u_char *atom_header; | |
| 1871 size_t atom_size; | |
| 1872 ngx_buf_t *atom; | |
| 1873 ngx_http_mp4_trak_t *trak; | |
| 1874 | |
| 1875 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 smhd atom"); | |
| 1876 | |
| 1877 atom_header = ngx_mp4_atom_header(mp4); | |
| 1878 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1879 ngx_mp4_set_32value(atom_header, atom_size); | |
| 1880 ngx_mp4_set_atom_name(atom_header, 's', 'm', 'h', 'd'); | |
| 1881 | |
| 1882 trak = ngx_mp4_last_trak(mp4); | |
| 1883 | |
| 1884 atom = &trak->smhd_atom_buf; | |
| 1885 atom->temporary = 1; | |
| 1886 atom->pos = atom_header; | |
| 1887 atom->last = atom_header + atom_size; | |
| 1888 | |
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1889 trak->smhd_size += atom_size; |
| 4085 | 1890 trak->out[NGX_HTTP_MP4_SMHD_ATOM].buf = atom; |
| 1891 | |
| 1892 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1893 | |
| 1894 return NGX_OK; | |
| 1895 } | |
| 1896 | |
| 1897 | |
| 1898 static ngx_int_t | |
| 1899 ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1900 { | |
| 1901 u_char *atom_header; | |
| 1902 size_t atom_size; | |
| 1903 ngx_buf_t *atom; | |
| 1904 ngx_http_mp4_trak_t *trak; | |
| 1905 | |
| 1906 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 dinf atom"); | |
| 1907 | |
| 1908 atom_header = ngx_mp4_atom_header(mp4); | |
| 1909 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1910 ngx_mp4_set_32value(atom_header, atom_size); | |
| 1911 ngx_mp4_set_atom_name(atom_header, 'd', 'i', 'n', 'f'); | |
| 1912 | |
| 1913 trak = ngx_mp4_last_trak(mp4); | |
| 1914 | |
| 1915 atom = &trak->dinf_atom_buf; | |
| 1916 atom->temporary = 1; | |
| 1917 atom->pos = atom_header; | |
| 1918 atom->last = atom_header + atom_size; | |
| 1919 | |
| 1920 trak->dinf_size += atom_size; | |
| 1921 trak->out[NGX_HTTP_MP4_DINF_ATOM].buf = atom; | |
| 1922 | |
| 1923 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1924 | |
| 1925 return NGX_OK; | |
| 1926 } | |
| 1927 | |
| 1928 | |
| 1929 static ngx_int_t | |
| 1930 ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1931 { | |
| 1932 u_char *atom_header; | |
| 1933 ngx_buf_t *atom; | |
| 1934 ngx_http_mp4_trak_t *trak; | |
| 1935 | |
| 1936 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process stbl atom"); | |
| 1937 | |
| 1938 atom_header = ngx_mp4_atom_header(mp4); | |
| 1939 ngx_mp4_set_atom_name(atom_header, 's', 't', 'b', 'l'); | |
| 1940 | |
| 1941 trak = ngx_mp4_last_trak(mp4); | |
| 1942 | |
| 1943 atom = &trak->stbl_atom_buf; | |
| 1944 atom->temporary = 1; | |
| 1945 atom->pos = atom_header; | |
| 1946 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
| 1947 | |
| 1948 trak->out[NGX_HTTP_MP4_STBL_ATOM].buf = atom; | |
| 1949 | |
| 1950 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_stbl_atoms, atom_data_size); | |
| 1951 } | |
| 1952 | |
| 1953 | |
| 1954 static void | |
| 1955 ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
| 1956 ngx_http_mp4_trak_t *trak) | |
| 1957 { | |
| 1958 ngx_buf_t *atom; | |
| 1959 | |
| 1960 trak->size += sizeof(ngx_mp4_atom_header_t); | |
| 1961 atom = &trak->stbl_atom_buf; | |
| 1962 ngx_mp4_set_32value(atom->pos, trak->size); | |
| 1963 } | |
| 1964 | |
| 1965 | |
| 1966 typedef struct { | |
| 1967 u_char size[4]; | |
| 1968 u_char name[4]; | |
| 1969 u_char version[1]; | |
| 1970 u_char flags[3]; | |
| 1971 u_char entries[4]; | |
|
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1972 |
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1973 u_char media_size[4]; |
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1974 u_char media_name[4]; |
| 4085 | 1975 } ngx_mp4_stsd_atom_t; |
| 1976 | |
| 1977 | |
| 1978 static ngx_int_t | |
| 1979 ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1980 { | |
| 1981 u_char *atom_header, *atom_table; | |
| 1982 size_t atom_size; | |
| 1983 ngx_buf_t *atom; | |
| 1984 ngx_mp4_stsd_atom_t *stsd_atom; | |
| 1985 ngx_http_mp4_trak_t *trak; | |
| 1986 | |
| 1987 /* sample description atom */ | |
| 1988 | |
| 1989 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsd atom"); | |
| 1990 | |
| 1991 atom_header = ngx_mp4_atom_header(mp4); | |
| 1992 stsd_atom = (ngx_mp4_stsd_atom_t *) atom_header; | |
| 1993 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1994 atom_table = atom_header + atom_size; | |
| 1995 ngx_mp4_set_32value(stsd_atom->size, atom_size); | |
| 1996 ngx_mp4_set_atom_name(stsd_atom, 's', 't', 's', 'd'); | |
| 1997 | |
|
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1998 if (ngx_mp4_atom_data_size(ngx_mp4_stsd_atom_t) > atom_data_size) { |
|
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1999 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2000 "\"%s\" mp4 stsd atom too small", mp4->file.name.data); |
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2001 return NGX_ERROR; |
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2002 } |
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2003 |
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2004 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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2005 "stsd entries:%uD, media:%*s", |
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2006 ngx_mp4_get_32value(stsd_atom->entries), |
|
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2007 (size_t) 4, stsd_atom->media_name); |
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2008 |
| 4085 | 2009 trak = ngx_mp4_last_trak(mp4); |
| 2010 | |
| 2011 atom = &trak->stsd_atom_buf; | |
| 2012 atom->temporary = 1; | |
| 2013 atom->pos = atom_header; | |
| 2014 atom->last = atom_table; | |
| 2015 | |
| 2016 trak->out[NGX_HTTP_MP4_STSD_ATOM].buf = atom; | |
| 2017 trak->size += atom_size; | |
| 2018 | |
| 2019 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 2020 | |
| 2021 return NGX_OK; | |
| 2022 } | |
| 2023 | |
| 2024 | |
| 2025 typedef struct { | |
| 2026 u_char size[4]; | |
| 2027 u_char name[4]; | |
| 2028 u_char version[1]; | |
| 2029 u_char flags[3]; | |
| 2030 u_char entries[4]; | |
| 2031 } ngx_mp4_stts_atom_t; | |
| 2032 | |
| 2033 typedef struct { | |
| 2034 u_char count[4]; | |
| 2035 u_char duration[4]; | |
| 2036 } ngx_mp4_stts_entry_t; | |
| 2037 | |
| 2038 | |
| 2039 static ngx_int_t | |
| 2040 ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 2041 { | |
| 2042 u_char *atom_header, *atom_table, *atom_end; | |
| 2043 uint32_t entries; | |
| 2044 ngx_buf_t *atom, *data; | |
| 2045 ngx_mp4_stts_atom_t *stts_atom; | |
| 2046 ngx_http_mp4_trak_t *trak; | |
| 2047 | |
| 2048 /* time-to-sample atom */ | |
| 2049 | |
| 2050 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stts atom"); | |
| 2051 | |
| 2052 atom_header = ngx_mp4_atom_header(mp4); | |
| 2053 stts_atom = (ngx_mp4_stts_atom_t *) atom_header; | |
| 2054 ngx_mp4_set_atom_name(stts_atom, 's', 't', 't', 's'); | |
| 2055 | |
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2056 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) > atom_data_size) { |
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2057 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2058 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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2059 return NGX_ERROR; |
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2060 } |
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2061 |
| 4085 | 2062 entries = ngx_mp4_get_32value(stts_atom->entries); |
| 2063 | |
| 2064 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 4096 | 2065 "mp4 time-to-sample entries:%uD", entries); |
| 4085 | 2066 |
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2067 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) |
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2068 + entries * sizeof(ngx_mp4_stts_entry_t) > atom_data_size) |
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2069 { |
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2070 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2071 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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2072 return NGX_ERROR; |
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2073 } |
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2074 |
| 4085 | 2075 atom_table = atom_header + sizeof(ngx_mp4_stts_atom_t); |
| 2076 atom_end = atom_table + entries * sizeof(ngx_mp4_stts_entry_t); | |
| 2077 | |
| 2078 trak = ngx_mp4_last_trak(mp4); | |
| 2079 trak->time_to_sample_entries = entries; | |
| 2080 | |
| 2081 atom = &trak->stts_atom_buf; | |
| 2082 atom->temporary = 1; | |
| 2083 atom->pos = atom_header; | |
| 2084 atom->last = atom_table; | |
| 2085 | |
| 2086 data = &trak->stts_data_buf; | |
| 2087 data->temporary = 1; | |
| 2088 data->pos = atom_table; | |
| 2089 data->last = atom_end; | |
| 2090 | |
| 2091 trak->out[NGX_HTTP_MP4_STTS_ATOM].buf = atom; | |
| 2092 trak->out[NGX_HTTP_MP4_STTS_DATA].buf = data; | |
| 2093 | |
| 2094 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 2095 | |
| 2096 return NGX_OK; | |
| 2097 } | |
| 2098 | |
| 2099 | |
| 2100 static ngx_int_t | |
| 2101 ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
| 2102 ngx_http_mp4_trak_t *trak) | |
| 2103 { | |
|
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2104 size_t atom_size; |
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2105 ngx_buf_t *atom, *data; |
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2106 ngx_mp4_stts_atom_t *stts_atom; |
| 4085 | 2107 |
| 2108 /* | |
| 2109 * mdia.minf.stbl.stts updating requires trak->timescale | |
| 2110 * from mdia.mdhd atom which may reside after mdia.minf | |
| 2111 */ | |
| 2112 | |
| 2113 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2114 "mp4 stts atom update"); | |
| 2115 | |
| 2116 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; | |
| 2117 | |
| 2118 if (data == NULL) { | |
| 2119 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 2120 "no mp4 stts atoms were found in \"%s\"", | |
| 2121 mp4->file.name.data); | |
| 2122 return NGX_ERROR; | |
| 2123 } | |
| 2124 | |
|
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2125 if (ngx_http_mp4_crop_stts_data(mp4, trak, 1) != NGX_OK) { |
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2126 return NGX_ERROR; |
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2127 } |
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2128 |
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2129 if (ngx_http_mp4_crop_stts_data(mp4, trak, 0) != NGX_OK) { |
|
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2130 return NGX_ERROR; |
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2131 } |
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2132 |
|
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2133 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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2134 "time-to-sample entries:%uD", trak->time_to_sample_entries); |
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2135 |
|
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2136 atom_size = sizeof(ngx_mp4_stts_atom_t) + (data->last - data->pos); |
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2137 trak->size += atom_size; |
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2138 |
|
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2139 atom = trak->out[NGX_HTTP_MP4_STTS_ATOM].buf; |
|
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2140 stts_atom = (ngx_mp4_stts_atom_t *) atom->pos; |
|
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|
2141 ngx_mp4_set_32value(stts_atom->size, atom_size); |
|
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|
2142 ngx_mp4_set_32value(stts_atom->entries, trak->time_to_sample_entries); |
|
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|
2143 |
|
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|
2144 return NGX_OK; |
|
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diff
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|
2145 } |
|
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|
2146 |
|
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|
2147 |
|
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diff
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|
2148 static ngx_int_t |
|
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|
2149 ngx_http_mp4_crop_stts_data(ngx_http_mp4_file_t *mp4, |
|
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2150 ngx_http_mp4_trak_t *trak, ngx_uint_t start) |
|
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|
2151 { |
|
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|
2152 uint32_t count, duration, rest; |
|
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|
2153 uint64_t start_time; |
|
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|
2154 ngx_buf_t *data; |
|
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|
2155 ngx_uint_t start_sample, entries, start_sec; |
|
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|
2156 ngx_mp4_stts_entry_t *entry, *end; |
|
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|
2157 |
|
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|
2158 if (start) { |
|
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|
2159 start_sec = mp4->start; |
|
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|
2160 |
|
5630
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|
2161 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
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|
2162 "mp4 stts crop start_time:%ui", start_sec); |
|
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|
2163 |
|
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|
2164 } else if (mp4->length) { |
|
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|
2165 start_sec = mp4->length; |
|
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|
2166 |
|
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|
2167 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
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|
2168 "mp4 stts crop end_time:%ui", start_sec); |
|
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|
2169 |
|
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|
2170 } else { |
|
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|
2171 return NGX_OK; |
|
0a567878254b
Mp4: added "end" argument support.
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|
2172 } |
|
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|
2173 |
|
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|
2174 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; |
|
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|
2175 |
|
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|
2176 start_time = (uint64_t) start_sec * trak->timescale / 1000; |
| 4085 | 2177 |
|
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|
2178 entries = trak->time_to_sample_entries; |
| 4085 | 2179 start_sample = 0; |
| 2180 entry = (ngx_mp4_stts_entry_t *) data->pos; | |
| 2181 end = (ngx_mp4_stts_entry_t *) data->last; | |
| 2182 | |
| 2183 while (entry < end) { | |
| 2184 count = ngx_mp4_get_32value(entry->count); | |
| 2185 duration = ngx_mp4_get_32value(entry->duration); | |
| 2186 | |
|
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|
2187 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
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|
2188 "time:%uL, count:%uD, duration:%uD", |
|
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|
2189 start_time, count, duration); |
| 4085 | 2190 |
| 4306 | 2191 if (start_time < (uint64_t) count * duration) { |
| 4085 | 2192 start_sample += (ngx_uint_t) (start_time / duration); |
|
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|
2193 rest = (uint32_t) (start_time / duration); |
| 4085 | 2194 goto found; |
| 2195 } | |
| 2196 | |
| 2197 start_sample += count; | |
| 2198 start_time -= count * duration; | |
| 2199 entries--; | |
| 2200 entry++; | |
| 2201 } | |
| 2202 | |
|
5638
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|
2203 if (start) { |
|
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|
2204 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
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|
2205 "start time is out mp4 stts samples in \"%s\"", |
|
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|
2206 mp4->file.name.data); |
|
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|
2207 |
|
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|
2208 return NGX_ERROR; |
|
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|
2209 |
|
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|
2210 } else { |
|
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|
2211 trak->end_sample = trak->start_sample + start_sample; |
|
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2212 |
|
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|
2213 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
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|
2214 "end_sample:%ui", trak->end_sample); |
|
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|
2215 |
|
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|
2216 return NGX_OK; |
|
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|
2217 } |
| 4085 | 2218 |
| 2219 found: | |
| 2220 | |
|
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|
2221 if (start) { |
|
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|
2222 ngx_mp4_set_32value(entry->count, count - rest); |
|
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|
2223 data->pos = (u_char *) entry; |
|
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|
2224 trak->time_to_sample_entries = entries; |
|
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|
2225 trak->start_sample = start_sample; |
|
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2226 |
|
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|
2227 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
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|
2228 "start_sample:%ui, new count:%uD", |
|
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|
2229 trak->start_sample, count - rest); |
|
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2230 |
|
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|
2231 } else { |
|
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|
2232 ngx_mp4_set_32value(entry->count, rest); |
|
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|
2233 data->last = (u_char *) (entry + 1); |
|
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|
2234 trak->time_to_sample_entries -= entries - 1; |
|
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|
2235 trak->end_sample = trak->start_sample + start_sample; |
|
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2236 |
|
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|
2237 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
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|
2238 "end_sample:%ui, new count:%uD", |
|
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|
2239 trak->end_sample, rest); |
|
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2240 } |
| 4085 | 2241 |
| 2242 return NGX_OK; | |
| 2243 } | |
| 2244 | |
| 2245 | |
| 2246 typedef struct { | |
| 2247 u_char size[4]; | |
| 2248 u_char name[4]; | |
| 2249 u_char version[1]; | |
| 2250 u_char flags[3]; | |
| 2251 u_char entries[4]; | |
| 2252 } ngx_http_mp4_stss_atom_t; | |
| 2253 | |
| 2254 | |
| 2255 static ngx_int_t | |
| 2256 ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 2257 { | |
| 2258 u_char *atom_header, *atom_table, *atom_end; | |
| 2259 uint32_t entries; | |
| 2260 ngx_buf_t *atom, *data; | |
| 2261 ngx_http_mp4_trak_t *trak; | |
| 2262 ngx_http_mp4_stss_atom_t *stss_atom; | |
| 2263 | |
| 2264 /* sync samples atom */ | |
| 2265 | |
| 2266 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stss atom"); | |
| 2267 | |
| 2268 atom_header = ngx_mp4_atom_header(mp4); | |
| 2269 stss_atom = (ngx_http_mp4_stss_atom_t *) atom_header; | |
| 2270 ngx_mp4_set_atom_name(stss_atom, 's', 't', 's', 's'); | |
| 2271 | |
|
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2272 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) > atom_data_size) { |
|
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|
2273 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
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|
2274 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
|
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|
2275 return NGX_ERROR; |
|
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2276 } |
|
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|
2277 |
| 4085 | 2278 entries = ngx_mp4_get_32value(stss_atom->entries); |
| 2279 | |
| 2280 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 4096 | 2281 "sync sample entries:%uD", entries); |
| 4085 | 2282 |
| 2283 trak = ngx_mp4_last_trak(mp4); | |
| 2284 trak->sync_samples_entries = entries; | |
| 2285 | |
| 2286 atom_table = atom_header + sizeof(ngx_http_mp4_stss_atom_t); | |
| 2287 | |
| 2288 atom = &trak->stss_atom_buf; | |
| 2289 atom->temporary = 1; | |
| 2290 atom->pos = atom_header; | |
| 2291 atom->last = atom_table; | |
| 2292 | |
|
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|
2293 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) |
|
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2294 + entries * sizeof(uint32_t) > atom_data_size) |
|
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|
2295 { |
| 4085 | 2296 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
4585
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|
2297 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
| 4085 | 2298 return NGX_ERROR; |
| 2299 } | |
| 2300 | |
|
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|
2301 atom_end = atom_table + entries * sizeof(uint32_t); |
|
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2302 |
| 4085 | 2303 data = &trak->stss_data_buf; |
| 2304 data->temporary = 1; | |
| 2305 data->pos = atom_table; | |
| 2306 data->last = atom_end; | |
| 2307 | |
| 2308 trak->out[NGX_HTTP_MP4_STSS_ATOM].buf = atom; | |
| 2309 trak->out[NGX_HTTP_MP4_STSS_DATA].buf = data; | |
| 2310 | |
| 2311 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 2312 | |
| 2313 return NGX_OK; | |
| 2314 } | |
| 2315 | |
| 2316 | |
| 2317 static ngx_int_t | |
| 2318 ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
| 2319 ngx_http_mp4_trak_t *trak) | |
| 2320 { | |
| 2321 size_t atom_size; | |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2322 uint32_t sample, start_sample, *entry, *end; |
| 4085 | 2323 ngx_buf_t *atom, *data; |
| 2324 ngx_http_mp4_stss_atom_t *stss_atom; | |
| 2325 | |
| 2326 /* | |
| 2327 * mdia.minf.stbl.stss updating requires trak->start_sample | |
| 2328 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
| 2329 * atom which may reside after mdia.minf | |
| 2330 */ | |
| 2331 | |
| 2332 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2333 "mp4 stss atom update"); | |
| 2334 | |
| 2335 data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; | |
| 2336 | |
| 2337 if (data == NULL) { | |
| 2338 return NGX_OK; | |
| 2339 } | |
| 2340 | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2341 ngx_http_mp4_crop_stss_data(mp4, trak, 1); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2342 ngx_http_mp4_crop_stss_data(mp4, trak, 0); |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2343 |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2344 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2345 "sync sample entries:%uD", trak->sync_samples_entries); |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2346 |
|
5622
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2347 if (trak->sync_samples_entries) { |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2348 entry = (uint32_t *) data->pos; |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2349 end = (uint32_t *) data->last; |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2350 |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2351 start_sample = trak->start_sample; |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2352 |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2353 while (entry < end) { |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2354 sample = ngx_mp4_get_32value(entry); |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2355 sample -= start_sample; |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2356 ngx_mp4_set_32value(entry, sample); |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2357 entry++; |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2358 } |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2359 |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2360 } else { |
|
a23c35496c2f
Mp4: skipped empty stss atom table in output.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5621
diff
changeset
|
2361 trak->out[NGX_HTTP_MP4_STSS_DATA].buf = NULL; |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2362 } |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2363 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2364 atom_size = sizeof(ngx_http_mp4_stss_atom_t) + (data->last - data->pos); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2365 trak->size += atom_size; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2366 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2367 atom = trak->out[NGX_HTTP_MP4_STSS_ATOM].buf; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2368 stss_atom = (ngx_http_mp4_stss_atom_t *) atom->pos; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2369 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2370 ngx_mp4_set_32value(stss_atom->size, atom_size); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2371 ngx_mp4_set_32value(stss_atom->entries, trak->sync_samples_entries); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2372 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2373 return NGX_OK; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2374 } |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2375 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2376 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2377 static void |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2378 ngx_http_mp4_crop_stss_data(ngx_http_mp4_file_t *mp4, |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2379 ngx_http_mp4_trak_t *trak, ngx_uint_t start) |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2380 { |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2381 uint32_t sample, start_sample, *entry, *end; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2382 ngx_buf_t *data; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2383 ngx_uint_t entries; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2384 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2385 /* sync samples starts from 1 */ |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2386 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2387 if (start) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2388 start_sample = trak->start_sample + 1; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2389 |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2390 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2391 "mp4 stss crop start_sample:%uD", start_sample); |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2392 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2393 } else if (mp4->length) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2394 start_sample = trak->end_sample + 1; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2395 |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2396 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2397 "mp4 stss crop end_sample:%uD", start_sample); |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2398 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2399 } else { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2400 return; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2401 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2402 |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2403 data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2404 |
| 4085 | 2405 entries = trak->sync_samples_entries; |
| 2406 entry = (uint32_t *) data->pos; | |
| 2407 end = (uint32_t *) data->last; | |
| 2408 | |
| 2409 while (entry < end) { | |
| 2410 sample = ngx_mp4_get_32value(entry); | |
| 2411 | |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2412 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2413 "sync:%uD", sample); |
| 4085 | 2414 |
| 2415 if (sample >= start_sample) { | |
| 2416 goto found; | |
| 2417 } | |
| 2418 | |
| 2419 entries--; | |
| 2420 entry++; | |
| 2421 } | |
| 2422 | |
|
5542
847c308917af
Mp4: fix seeks after the last key frame.
Roman Arutyunyan <arut@nginx.com>
parents:
5496
diff
changeset
|
2423 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2424 "sample is out of mp4 stss atom"); |
| 4085 | 2425 |
| 2426 found: | |
| 2427 | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2428 if (start) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2429 data->pos = (u_char *) entry; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2430 trak->sync_samples_entries = entries; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2431 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2432 } else { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2433 data->last = (u_char *) entry; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2434 trak->sync_samples_entries -= entries; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2435 } |
| 4085 | 2436 } |
| 2437 | |
| 2438 | |
| 2439 typedef struct { | |
| 2440 u_char size[4]; | |
| 2441 u_char name[4]; | |
| 2442 u_char version[1]; | |
| 2443 u_char flags[3]; | |
| 2444 u_char entries[4]; | |
| 2445 } ngx_mp4_ctts_atom_t; | |
| 2446 | |
| 2447 typedef struct { | |
| 2448 u_char count[4]; | |
| 2449 u_char offset[4]; | |
| 2450 } ngx_mp4_ctts_entry_t; | |
| 2451 | |
| 2452 | |
| 2453 static ngx_int_t | |
| 2454 ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 2455 { | |
| 2456 u_char *atom_header, *atom_table, *atom_end; | |
| 2457 uint32_t entries; | |
| 2458 ngx_buf_t *atom, *data; | |
| 2459 ngx_mp4_ctts_atom_t *ctts_atom; | |
| 2460 ngx_http_mp4_trak_t *trak; | |
| 2461 | |
| 2462 /* composition offsets atom */ | |
| 2463 | |
| 2464 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ctts atom"); | |
| 2465 | |
| 2466 atom_header = ngx_mp4_atom_header(mp4); | |
| 2467 ctts_atom = (ngx_mp4_ctts_atom_t *) atom_header; | |
| 2468 ngx_mp4_set_atom_name(ctts_atom, 'c', 't', 't', 's'); | |
| 2469 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2470 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) > atom_data_size) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2471 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2472 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2473 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2474 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2475 |
| 4085 | 2476 entries = ngx_mp4_get_32value(ctts_atom->entries); |
| 2477 | |
| 2478 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 4096 | 2479 "composition offset entries:%uD", entries); |
| 4085 | 2480 |
| 2481 trak = ngx_mp4_last_trak(mp4); | |
| 2482 trak->composition_offset_entries = entries; | |
| 2483 | |
| 2484 atom_table = atom_header + sizeof(ngx_mp4_ctts_atom_t); | |
| 2485 | |
| 2486 atom = &trak->ctts_atom_buf; | |
| 2487 atom->temporary = 1; | |
| 2488 atom->pos = atom_header; | |
| 2489 atom->last = atom_table; | |
| 2490 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2491 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2492 + entries * sizeof(ngx_mp4_ctts_entry_t) > atom_data_size) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2493 { |
| 4085 | 2494 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2495 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
| 4085 | 2496 return NGX_ERROR; |
| 2497 } | |
| 2498 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2499 atom_end = atom_table + entries * sizeof(ngx_mp4_ctts_entry_t); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2500 |
| 4085 | 2501 data = &trak->ctts_data_buf; |
| 2502 data->temporary = 1; | |
| 2503 data->pos = atom_table; | |
| 2504 data->last = atom_end; | |
| 2505 | |
| 2506 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = atom; | |
| 2507 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = data; | |
| 2508 | |
| 2509 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 2510 | |
| 2511 return NGX_OK; | |
| 2512 } | |
| 2513 | |
| 2514 | |
| 2515 static void | |
| 2516 ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
| 2517 ngx_http_mp4_trak_t *trak) | |
| 2518 { | |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2519 size_t atom_size; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2520 ngx_buf_t *atom, *data; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2521 ngx_mp4_ctts_atom_t *ctts_atom; |
| 4085 | 2522 |
| 2523 /* | |
| 2524 * mdia.minf.stbl.ctts updating requires trak->start_sample | |
| 2525 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
| 2526 * atom which may reside after mdia.minf | |
| 2527 */ | |
| 2528 | |
| 2529 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2530 "mp4 ctts atom update"); | |
| 2531 | |
| 2532 data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf; | |
| 2533 | |
| 2534 if (data == NULL) { | |
| 2535 return; | |
| 2536 } | |
| 2537 | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2538 ngx_http_mp4_crop_ctts_data(mp4, trak, 1); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2539 ngx_http_mp4_crop_ctts_data(mp4, trak, 0); |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2540 |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2541 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2542 "composition offset entries:%uD", |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2543 trak->composition_offset_entries); |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2544 |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2545 if (trak->composition_offset_entries == 0) { |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2546 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = NULL; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2547 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = NULL; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2548 return; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2549 } |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2550 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2551 atom_size = sizeof(ngx_mp4_ctts_atom_t) + (data->last - data->pos); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2552 trak->size += atom_size; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2553 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2554 atom = trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2555 ctts_atom = (ngx_mp4_ctts_atom_t *) atom->pos; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2556 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2557 ngx_mp4_set_32value(ctts_atom->size, atom_size); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2558 ngx_mp4_set_32value(ctts_atom->entries, trak->composition_offset_entries); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2559 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2560 return; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2561 } |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2562 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2563 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2564 static void |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2565 ngx_http_mp4_crop_ctts_data(ngx_http_mp4_file_t *mp4, |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2566 ngx_http_mp4_trak_t *trak, ngx_uint_t start) |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2567 { |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2568 uint32_t count, start_sample, rest; |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2569 ngx_buf_t *data; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2570 ngx_uint_t entries; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2571 ngx_mp4_ctts_entry_t *entry, *end; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2572 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2573 /* sync samples starts from 1 */ |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2574 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2575 if (start) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2576 start_sample = trak->start_sample + 1; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2577 |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2578 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2579 "mp4 ctts crop start_sample:%uD", start_sample); |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2580 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2581 } else if (mp4->length) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2582 start_sample = trak->end_sample - trak->start_sample + 1; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2583 |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2584 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2585 "mp4 ctts crop end_sample:%uD", start_sample); |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2586 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2587 } else { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2588 return; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2589 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2590 |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2591 data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2592 |
| 4085 | 2593 entries = trak->composition_offset_entries; |
| 2594 entry = (ngx_mp4_ctts_entry_t *) data->pos; | |
| 2595 end = (ngx_mp4_ctts_entry_t *) data->last; | |
| 2596 | |
| 2597 while (entry < end) { | |
| 2598 count = ngx_mp4_get_32value(entry->count); | |
| 2599 | |
|
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
2600 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2601 "sample:%uD, count:%uD, offset:%uD", |
| 4085 | 2602 start_sample, count, ngx_mp4_get_32value(entry->offset)); |
| 2603 | |
| 6474 | 2604 if (start_sample <= count) { |
| 2605 rest = start_sample - 1; | |
| 2606 goto found; | |
| 2607 } | |
| 2608 | |
| 2609 start_sample -= count; | |
| 2610 entries--; | |
| 2611 entry++; | |
| 4085 | 2612 } |
| 2613 | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2614 if (start) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2615 data->pos = (u_char *) end; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2616 trak->composition_offset_entries = 0; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2617 } |
| 4085 | 2618 |
| 2619 return; | |
| 2620 | |
| 2621 found: | |
| 2622 | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2623 if (start) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2624 ngx_mp4_set_32value(entry->count, count - rest); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2625 data->pos = (u_char *) entry; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2626 trak->composition_offset_entries = entries; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2627 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2628 } else { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2629 ngx_mp4_set_32value(entry->count, rest); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2630 data->last = (u_char *) (entry + 1); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2631 trak->composition_offset_entries -= entries - 1; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2632 } |
| 4085 | 2633 } |
| 2634 | |
| 2635 | |
| 2636 typedef struct { | |
| 2637 u_char size[4]; | |
| 2638 u_char name[4]; | |
| 2639 u_char version[1]; | |
| 2640 u_char flags[3]; | |
| 2641 u_char entries[4]; | |
| 2642 } ngx_mp4_stsc_atom_t; | |
| 2643 | |
| 2644 | |
| 2645 static ngx_int_t | |
| 2646 ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 2647 { | |
| 2648 u_char *atom_header, *atom_table, *atom_end; | |
| 2649 uint32_t entries; | |
| 2650 ngx_buf_t *atom, *data; | |
| 2651 ngx_mp4_stsc_atom_t *stsc_atom; | |
| 2652 ngx_http_mp4_trak_t *trak; | |
| 2653 | |
| 2654 /* sample-to-chunk atom */ | |
| 2655 | |
| 2656 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsc atom"); | |
| 2657 | |
| 2658 atom_header = ngx_mp4_atom_header(mp4); | |
| 2659 stsc_atom = (ngx_mp4_stsc_atom_t *) atom_header; | |
| 2660 ngx_mp4_set_atom_name(stsc_atom, 's', 't', 's', 'c'); | |
| 2661 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2662 if (ngx_mp4_atom_data_size(ngx_mp4_stsc_atom_t) > atom_data_size) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2663 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2664 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2665 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2666 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2667 |
| 4085 | 2668 entries = ngx_mp4_get_32value(stsc_atom->entries); |
| 2669 | |
| 2670 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 4096 | 2671 "sample-to-chunk entries:%uD", entries); |
| 4085 | 2672 |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2673 if (ngx_mp4_atom_data_size(ngx_mp4_stsc_atom_t) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2674 + entries * sizeof(ngx_mp4_stsc_entry_t) > atom_data_size) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2675 { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2676 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2677 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2678 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2679 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2680 |
| 4085 | 2681 atom_table = atom_header + sizeof(ngx_mp4_stsc_atom_t); |
| 2682 atom_end = atom_table + entries * sizeof(ngx_mp4_stsc_entry_t); | |
| 2683 | |
| 2684 trak = ngx_mp4_last_trak(mp4); | |
| 2685 trak->sample_to_chunk_entries = entries; | |
| 2686 | |
| 2687 atom = &trak->stsc_atom_buf; | |
| 2688 atom->temporary = 1; | |
| 2689 atom->pos = atom_header; | |
| 2690 atom->last = atom_table; | |
| 2691 | |
| 2692 data = &trak->stsc_data_buf; | |
| 2693 data->temporary = 1; | |
| 2694 data->pos = atom_table; | |
| 2695 data->last = atom_end; | |
| 2696 | |
| 2697 trak->out[NGX_HTTP_MP4_STSC_ATOM].buf = atom; | |
| 2698 trak->out[NGX_HTTP_MP4_STSC_DATA].buf = data; | |
| 2699 | |
| 2700 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 2701 | |
| 2702 return NGX_OK; | |
| 2703 } | |
| 2704 | |
| 2705 | |
| 2706 static ngx_int_t | |
| 2707 ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
| 2708 ngx_http_mp4_trak_t *trak) | |
| 2709 { | |
| 2710 size_t atom_size; | |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2711 uint32_t chunk; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2712 ngx_buf_t *atom, *data; |
| 4085 | 2713 ngx_mp4_stsc_atom_t *stsc_atom; |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2714 ngx_mp4_stsc_entry_t *entry, *end; |
| 4085 | 2715 |
| 2716 /* | |
| 2717 * mdia.minf.stbl.stsc updating requires trak->start_sample | |
| 2718 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
| 2719 * atom which may reside after mdia.minf | |
| 2720 */ | |
| 2721 | |
| 2722 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2723 "mp4 stsc atom update"); | |
| 2724 | |
| 2725 data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf; | |
| 2726 | |
| 2727 if (data == NULL) { | |
| 2728 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 2729 "no mp4 stsc atoms were found in \"%s\"", | |
| 2730 mp4->file.name.data); | |
| 2731 return NGX_ERROR; | |
| 2732 } | |
| 2733 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2734 if (trak->sample_to_chunk_entries == 0) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2735 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2736 "zero number of entries in stsc atom in \"%s\"", |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2737 mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2738 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2739 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2740 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2741 if (ngx_http_mp4_crop_stsc_data(mp4, trak, 1) != NGX_OK) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2742 return NGX_ERROR; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2743 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2744 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2745 if (ngx_http_mp4_crop_stsc_data(mp4, trak, 0) != NGX_OK) { |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2746 return NGX_ERROR; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2747 } |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2748 |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2749 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2750 "sample-to-chunk entries:%uD", |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2751 trak->sample_to_chunk_entries); |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2752 |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2753 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2754 end = (ngx_mp4_stsc_entry_t *) data->last; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2755 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2756 while (entry < end) { |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2757 chunk = ngx_mp4_get_32value(entry->chunk); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2758 chunk -= trak->start_chunk; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2759 ngx_mp4_set_32value(entry->chunk, chunk); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2760 entry++; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2761 } |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2762 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2763 atom_size = sizeof(ngx_mp4_stsc_atom_t) |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2764 + trak->sample_to_chunk_entries * sizeof(ngx_mp4_stsc_entry_t); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2765 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2766 trak->size += atom_size; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2767 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2768 atom = trak->out[NGX_HTTP_MP4_STSC_ATOM].buf; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2769 stsc_atom = (ngx_mp4_stsc_atom_t *) atom->pos; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2770 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2771 ngx_mp4_set_32value(stsc_atom->size, atom_size); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2772 ngx_mp4_set_32value(stsc_atom->entries, trak->sample_to_chunk_entries); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2773 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2774 return NGX_OK; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2775 } |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2776 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2777 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2778 static ngx_int_t |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2779 ngx_http_mp4_crop_stsc_data(ngx_http_mp4_file_t *mp4, |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2780 ngx_http_mp4_trak_t *trak, ngx_uint_t start) |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2781 { |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2782 uint32_t start_sample, chunk, samples, id, next_chunk, n, |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2783 prev_samples; |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2784 ngx_buf_t *data, *buf; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2785 ngx_uint_t entries, target_chunk, chunk_samples; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2786 ngx_mp4_stsc_entry_t *entry, *end, *first; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2787 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2788 entries = trak->sample_to_chunk_entries - 1; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2789 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2790 if (start) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2791 start_sample = (uint32_t) trak->start_sample; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2792 |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2793 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2794 "mp4 stsc crop start_sample:%uD", start_sample); |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2795 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2796 } else if (mp4->length) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2797 start_sample = (uint32_t) (trak->end_sample - trak->start_sample); |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2798 samples = 0; |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2799 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2800 data = trak->out[NGX_HTTP_MP4_STSC_START].buf; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2801 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2802 if (data) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2803 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2804 samples = ngx_mp4_get_32value(entry->samples); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2805 entries--; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2806 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2807 if (samples > start_sample) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2808 samples = start_sample; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2809 ngx_mp4_set_32value(entry->samples, samples); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2810 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2811 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2812 start_sample -= samples; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2813 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2814 |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2815 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2816 "mp4 stsc crop end_sample:%uD, ext_samples:%uD", |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2817 start_sample, samples); |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2818 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2819 } else { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2820 return NGX_OK; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2821 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2822 |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2823 data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2824 |
| 4085 | 2825 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
| 2826 end = (ngx_mp4_stsc_entry_t *) data->last; | |
| 2827 | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2828 chunk = ngx_mp4_get_32value(entry->chunk); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2829 samples = ngx_mp4_get_32value(entry->samples); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2830 id = ngx_mp4_get_32value(entry->id); |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2831 prev_samples = 0; |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2832 entry++; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2833 |
| 4085 | 2834 while (entry < end) { |
| 2835 | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2836 next_chunk = ngx_mp4_get_32value(entry->chunk); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2837 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2838 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2839 "sample:%uD, chunk:%uD, chunks:%uD, " |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2840 "samples:%uD, id:%uD", |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2841 start_sample, chunk, next_chunk - chunk, samples, id); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2842 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2843 n = (next_chunk - chunk) * samples; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2844 |
|
5578
e280ece17020
Mp4: remove useless leading stsc entry in result mp4.
Roman Arutyunyan <arut@nginx.com>
parents:
5544
diff
changeset
|
2845 if (start_sample < n) { |
| 4085 | 2846 goto found; |
| 2847 } | |
| 2848 | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2849 start_sample -= n; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2850 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2851 prev_samples = samples; |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2852 chunk = next_chunk; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2853 samples = ngx_mp4_get_32value(entry->samples); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2854 id = ngx_mp4_get_32value(entry->id); |
| 4085 | 2855 entries--; |
| 2856 entry++; | |
| 2857 } | |
| 2858 | |
|
5544
2f586f1684fa
Mp4: fix seeks to standalone last chunk.
Roman Arutyunyan <arut@nginx.com>
parents:
5543
diff
changeset
|
2859 next_chunk = trak->chunks + 1; |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2860 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2861 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2862 "sample:%uD, chunk:%uD, chunks:%uD, samples:%uD", |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2863 start_sample, chunk, next_chunk - chunk, samples); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2864 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2865 n = (next_chunk - chunk) * samples; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2866 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2867 if (start_sample > n) { |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2868 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2869 "%s time is out mp4 stsc chunks in \"%s\"", |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2870 start ? "start" : "end", mp4->file.name.data); |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2871 return NGX_ERROR; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2872 } |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2873 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2874 found: |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2875 |
| 4085 | 2876 entries++; |
| 2877 entry--; | |
| 2878 | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2879 if (samples == 0) { |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2880 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2881 "zero number of samples in \"%s\"", |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2882 mp4->file.name.data); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2883 return NGX_ERROR; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2884 } |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2885 |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2886 target_chunk = chunk - 1; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2887 target_chunk += start_sample / samples; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2888 chunk_samples = start_sample % samples; |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2889 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2890 if (start) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2891 data->pos = (u_char *) entry; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2892 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2893 trak->sample_to_chunk_entries = entries; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2894 trak->start_chunk = target_chunk; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2895 trak->start_chunk_samples = chunk_samples; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2896 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2897 ngx_mp4_set_32value(entry->chunk, trak->start_chunk + 1); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2898 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2899 samples -= chunk_samples; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2900 |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2901 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2902 "start_chunk:%ui, start_chunk_samples:%ui", |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2903 trak->start_chunk, trak->start_chunk_samples); |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2904 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2905 } else { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2906 if (start_sample) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2907 data->last = (u_char *) (entry + 1); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2908 trak->sample_to_chunk_entries -= entries - 1; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2909 trak->end_chunk_samples = samples; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2910 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2911 } else { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2912 data->last = (u_char *) entry; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2913 trak->sample_to_chunk_entries -= entries; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2914 trak->end_chunk_samples = prev_samples; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2915 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2916 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2917 if (chunk_samples) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2918 trak->end_chunk = target_chunk + 1; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2919 trak->end_chunk_samples = chunk_samples; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2920 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2921 } else { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2922 trak->end_chunk = target_chunk; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2923 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2924 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2925 samples = chunk_samples; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2926 next_chunk = chunk + 1; |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2927 |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2928 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2929 "end_chunk:%ui, end_chunk_samples:%ui", |
|
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
2930 trak->end_chunk, trak->end_chunk_samples); |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2931 } |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2932 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2933 if (chunk_samples && next_chunk - target_chunk == 2) { |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2934 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2935 ngx_mp4_set_32value(entry->samples, samples); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2936 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2937 } else if (chunk_samples && start) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2938 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2939 first = &trak->stsc_start_chunk_entry; |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2940 ngx_mp4_set_32value(first->chunk, 1); |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2941 ngx_mp4_set_32value(first->samples, samples); |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2942 ngx_mp4_set_32value(first->id, id); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2943 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2944 buf = &trak->stsc_start_chunk_buf; |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2945 buf->temporary = 1; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2946 buf->pos = (u_char *) first; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2947 buf->last = (u_char *) first + sizeof(ngx_mp4_stsc_entry_t); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2948 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2949 trak->out[NGX_HTTP_MP4_STSC_START].buf = buf; |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2950 |
|
5619
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
5578
diff
changeset
|
2951 ngx_mp4_set_32value(entry->chunk, trak->start_chunk + 2); |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2952 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2953 trak->sample_to_chunk_entries++; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2954 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2955 } else if (chunk_samples) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2956 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2957 first = &trak->stsc_end_chunk_entry; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2958 ngx_mp4_set_32value(first->chunk, trak->end_chunk - trak->start_chunk); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2959 ngx_mp4_set_32value(first->samples, samples); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2960 ngx_mp4_set_32value(first->id, id); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2961 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2962 buf = &trak->stsc_end_chunk_buf; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2963 buf->temporary = 1; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2964 buf->pos = (u_char *) first; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2965 buf->last = (u_char *) first + sizeof(ngx_mp4_stsc_entry_t); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2966 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2967 trak->out[NGX_HTTP_MP4_STSC_END].buf = buf; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2968 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
2969 trak->sample_to_chunk_entries++; |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2970 } |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2971 |
| 4085 | 2972 return NGX_OK; |
| 2973 } | |
| 2974 | |
| 2975 | |
| 2976 typedef struct { | |
| 2977 u_char size[4]; | |
| 2978 u_char name[4]; | |
| 2979 u_char version[1]; | |
| 2980 u_char flags[3]; | |
| 2981 u_char uniform_size[4]; | |
| 2982 u_char entries[4]; | |
| 2983 } ngx_mp4_stsz_atom_t; | |
| 2984 | |
| 2985 | |
| 2986 static ngx_int_t | |
| 2987 ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 2988 { | |
| 2989 u_char *atom_header, *atom_table, *atom_end; | |
| 2990 size_t atom_size; | |
| 2991 uint32_t entries, size; | |
| 2992 ngx_buf_t *atom, *data; | |
| 2993 ngx_mp4_stsz_atom_t *stsz_atom; | |
| 2994 ngx_http_mp4_trak_t *trak; | |
| 2995 | |
| 2996 /* sample sizes atom */ | |
| 2997 | |
| 2998 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsz atom"); | |
| 2999 | |
| 3000 atom_header = ngx_mp4_atom_header(mp4); | |
| 3001 stsz_atom = (ngx_mp4_stsz_atom_t *) atom_header; | |
| 3002 ngx_mp4_set_atom_name(stsz_atom, 's', 't', 's', 'z'); | |
| 3003 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3004 if (ngx_mp4_atom_data_size(ngx_mp4_stsz_atom_t) > atom_data_size) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3005 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3006 "\"%s\" mp4 stsz atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3007 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3008 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3009 |
| 4085 | 3010 size = ngx_mp4_get_32value(stsz_atom->uniform_size); |
| 3011 entries = ngx_mp4_get_32value(stsz_atom->entries); | |
| 3012 | |
| 3013 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 3014 "sample uniform size:%uD, entries:%uD", size, entries); | |
| 3015 | |
| 3016 trak = ngx_mp4_last_trak(mp4); | |
| 3017 trak->sample_sizes_entries = entries; | |
| 3018 | |
| 3019 atom_table = atom_header + sizeof(ngx_mp4_stsz_atom_t); | |
| 3020 | |
| 3021 atom = &trak->stsz_atom_buf; | |
| 3022 atom->temporary = 1; | |
| 3023 atom->pos = atom_header; | |
| 3024 atom->last = atom_table; | |
| 3025 | |
| 3026 trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf = atom; | |
| 3027 | |
| 3028 if (size == 0) { | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3029 if (ngx_mp4_atom_data_size(ngx_mp4_stsz_atom_t) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3030 + entries * sizeof(uint32_t) > atom_data_size) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3031 { |
| 4085 | 3032 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3033 "\"%s\" mp4 stsz atom too small", |
| 4085 | 3034 mp4->file.name.data); |
| 3035 return NGX_ERROR; | |
| 3036 } | |
| 3037 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3038 atom_end = atom_table + entries * sizeof(uint32_t); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3039 |
| 4085 | 3040 data = &trak->stsz_data_buf; |
| 3041 data->temporary = 1; | |
| 3042 data->pos = atom_table; | |
| 3043 data->last = atom_end; | |
| 3044 | |
| 3045 trak->out[NGX_HTTP_MP4_STSZ_DATA].buf = data; | |
| 3046 | |
| 3047 } else { | |
| 3048 /* if size != 0 then all samples are the same size */ | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3049 /* TODO : chunk samples */ |
| 4085 | 3050 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; |
| 3051 ngx_mp4_set_32value(atom_header, atom_size); | |
| 3052 trak->size += atom_size; | |
| 3053 } | |
| 3054 | |
| 3055 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 3056 | |
| 3057 return NGX_OK; | |
| 3058 } | |
| 3059 | |
| 3060 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3061 static ngx_int_t |
| 4085 | 3062 ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
| 3063 ngx_http_mp4_trak_t *trak) | |
| 3064 { | |
| 3065 size_t atom_size; | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3066 uint32_t *pos, *end, entries; |
| 4085 | 3067 ngx_buf_t *atom, *data; |
| 3068 ngx_mp4_stsz_atom_t *stsz_atom; | |
| 3069 | |
| 3070 /* | |
| 3071 * mdia.minf.stbl.stsz updating requires trak->start_sample | |
| 3072 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
| 3073 * atom which may reside after mdia.minf | |
| 3074 */ | |
| 3075 | |
| 3076 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 3077 "mp4 stsz atom update"); | |
| 3078 | |
| 3079 data = trak->out[NGX_HTTP_MP4_STSZ_DATA].buf; | |
| 3080 | |
| 3081 if (data) { | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3082 entries = trak->sample_sizes_entries; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3083 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3084 if (trak->start_sample > entries) { |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3085 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3086 "start time is out mp4 stsz samples in \"%s\"", |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3087 mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3088 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3089 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3090 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3091 entries -= trak->start_sample; |
| 4085 | 3092 data->pos += trak->start_sample * sizeof(uint32_t); |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3093 end = (uint32_t *) data->pos; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3094 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3095 for (pos = end - trak->start_chunk_samples; pos < end; pos++) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3096 trak->start_chunk_samples_size += ngx_mp4_get_32value(pos); |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3097 } |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3098 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3099 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3100 "chunk samples sizes:%uL", |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3101 trak->start_chunk_samples_size); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3102 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3103 if (mp4->length) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3104 if (trak->end_sample - trak->start_sample > entries) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3105 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3106 "end time is out mp4 stsz samples in \"%s\"", |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3107 mp4->file.name.data); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3108 return NGX_ERROR; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3109 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3110 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3111 entries = trak->end_sample - trak->start_sample; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3112 data->last = data->pos + entries * sizeof(uint32_t); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3113 end = (uint32_t *) data->last; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3114 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3115 for (pos = end - trak->end_chunk_samples; pos < end; pos++) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3116 trak->end_chunk_samples_size += ngx_mp4_get_32value(pos); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3117 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3118 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3119 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3120 "mp4 stsz end_chunk_samples_size:%uL", |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3121 trak->end_chunk_samples_size); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3122 } |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3123 |
| 4085 | 3124 atom_size = sizeof(ngx_mp4_stsz_atom_t) + (data->last - data->pos); |
| 3125 trak->size += atom_size; | |
| 3126 | |
| 3127 atom = trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf; | |
| 3128 stsz_atom = (ngx_mp4_stsz_atom_t *) atom->pos; | |
| 3129 | |
| 3130 ngx_mp4_set_32value(stsz_atom->size, atom_size); | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3131 ngx_mp4_set_32value(stsz_atom->entries, entries); |
| 4085 | 3132 } |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3133 |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3134 return NGX_OK; |
| 4085 | 3135 } |
| 3136 | |
| 3137 | |
| 3138 typedef struct { | |
| 3139 u_char size[4]; | |
| 3140 u_char name[4]; | |
| 3141 u_char version[1]; | |
| 3142 u_char flags[3]; | |
| 3143 u_char entries[4]; | |
| 3144 } ngx_mp4_stco_atom_t; | |
| 3145 | |
| 3146 | |
| 3147 static ngx_int_t | |
| 3148 ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 3149 { | |
| 3150 u_char *atom_header, *atom_table, *atom_end; | |
| 3151 uint32_t entries; | |
| 3152 ngx_buf_t *atom, *data; | |
| 3153 ngx_mp4_stco_atom_t *stco_atom; | |
| 3154 ngx_http_mp4_trak_t *trak; | |
| 3155 | |
| 3156 /* chunk offsets atom */ | |
| 3157 | |
| 3158 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stco atom"); | |
| 3159 | |
| 3160 atom_header = ngx_mp4_atom_header(mp4); | |
| 3161 stco_atom = (ngx_mp4_stco_atom_t *) atom_header; | |
| 3162 ngx_mp4_set_atom_name(stco_atom, 's', 't', 'c', 'o'); | |
| 3163 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3164 if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) > atom_data_size) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3165 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3166 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3167 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3168 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3169 |
| 4085 | 3170 entries = ngx_mp4_get_32value(stco_atom->entries); |
| 3171 | |
| 3172 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
| 3173 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3174 if (ngx_mp4_atom_data_size(ngx_mp4_stco_atom_t) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3175 + entries * sizeof(uint32_t) > atom_data_size) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3176 { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3177 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3178 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3179 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3180 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3181 |
| 4085 | 3182 atom_table = atom_header + sizeof(ngx_mp4_stco_atom_t); |
| 3183 atom_end = atom_table + entries * sizeof(uint32_t); | |
| 3184 | |
| 3185 trak = ngx_mp4_last_trak(mp4); | |
| 3186 trak->chunks = entries; | |
| 3187 | |
| 4107 | 3188 atom = &trak->stco_atom_buf; |
| 4085 | 3189 atom->temporary = 1; |
| 3190 atom->pos = atom_header; | |
| 3191 atom->last = atom_table; | |
| 3192 | |
| 4107 | 3193 data = &trak->stco_data_buf; |
| 4085 | 3194 data->temporary = 1; |
| 3195 data->pos = atom_table; | |
| 3196 data->last = atom_end; | |
| 3197 | |
| 3198 trak->out[NGX_HTTP_MP4_STCO_ATOM].buf = atom; | |
| 3199 trak->out[NGX_HTTP_MP4_STCO_DATA].buf = data; | |
| 3200 | |
| 3201 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 3202 | |
| 3203 return NGX_OK; | |
| 3204 } | |
| 3205 | |
| 3206 | |
| 3207 static ngx_int_t | |
| 3208 ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
| 3209 ngx_http_mp4_trak_t *trak) | |
| 3210 { | |
| 3211 size_t atom_size; | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3212 uint32_t entries; |
| 4085 | 3213 ngx_buf_t *atom, *data; |
| 3214 ngx_mp4_stco_atom_t *stco_atom; | |
| 3215 | |
| 3216 /* | |
| 3217 * mdia.minf.stbl.stco updating requires trak->start_chunk | |
| 3218 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
| 3219 * atom which may reside after mdia.minf | |
| 3220 */ | |
| 3221 | |
| 3222 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 3223 "mp4 stco atom update"); | |
| 3224 | |
| 3225 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
| 3226 | |
| 3227 if (data == NULL) { | |
| 3228 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 3229 "no mp4 stco atoms were found in \"%s\"", | |
| 3230 mp4->file.name.data); | |
| 3231 return NGX_ERROR; | |
| 3232 } | |
| 3233 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3234 if (trak->start_chunk > trak->chunks) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3235 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3236 "start time is out mp4 stco chunks in \"%s\"", |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3237 mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3238 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3239 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3240 |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3241 data->pos += trak->start_chunk * sizeof(uint32_t); |
| 4085 | 3242 |
| 3243 trak->start_offset = ngx_mp4_get_32value(data->pos); | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3244 trak->start_offset += trak->start_chunk_samples_size; |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
3245 ngx_mp4_set_32value(data->pos, trak->start_offset); |
| 4085 | 3246 |
| 3247 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
3248 "start chunk offset:%O", trak->start_offset); |
| 4085 | 3249 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3250 if (mp4->length) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3251 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3252 if (trak->end_chunk > trak->chunks) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3253 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3254 "end time is out mp4 stco chunks in \"%s\"", |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3255 mp4->file.name.data); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3256 return NGX_ERROR; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3257 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3258 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3259 entries = trak->end_chunk - trak->start_chunk; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3260 data->last = data->pos + entries * sizeof(uint32_t); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3261 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3262 if (entries) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3263 trak->end_offset = |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3264 ngx_mp4_get_32value(data->last - sizeof(uint32_t)); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3265 trak->end_offset += trak->end_chunk_samples_size; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3266 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3267 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3268 "end chunk offset:%O", trak->end_offset); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3269 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3270 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3271 } else { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3272 entries = trak->chunks - trak->start_chunk; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3273 trak->end_offset = mp4->mdat_data.buf->file_last; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3274 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3275 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3276 if (entries == 0) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3277 trak->start_offset = mp4->end; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3278 trak->end_offset = 0; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3279 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3280 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3281 atom_size = sizeof(ngx_mp4_stco_atom_t) + (data->last - data->pos); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3282 trak->size += atom_size; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3283 |
| 4085 | 3284 atom = trak->out[NGX_HTTP_MP4_STCO_ATOM].buf; |
| 3285 stco_atom = (ngx_mp4_stco_atom_t *) atom->pos; | |
| 3286 | |
| 3287 ngx_mp4_set_32value(stco_atom->size, atom_size); | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3288 ngx_mp4_set_32value(stco_atom->entries, entries); |
| 4085 | 3289 |
| 3290 return NGX_OK; | |
| 3291 } | |
| 3292 | |
| 3293 | |
| 3294 static void | |
| 3295 ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
| 3296 ngx_http_mp4_trak_t *trak, int32_t adjustment) | |
| 3297 { | |
| 3298 uint32_t offset, *entry, *end; | |
| 3299 ngx_buf_t *data; | |
| 3300 | |
| 3301 /* | |
| 3302 * moov.trak.mdia.minf.stbl.stco adjustment requires | |
| 3303 * minimal start offset of all traks and new moov atom size | |
| 3304 */ | |
| 3305 | |
| 3306 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 3307 "mp4 stco atom adjustment"); | |
| 3308 | |
| 3309 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
| 3310 entry = (uint32_t *) data->pos; | |
| 3311 end = (uint32_t *) data->last; | |
| 3312 | |
| 3313 while (entry < end) { | |
| 3314 offset = ngx_mp4_get_32value(entry); | |
| 3315 offset += adjustment; | |
| 3316 ngx_mp4_set_32value(entry, offset); | |
| 3317 entry++; | |
| 3318 } | |
| 3319 } | |
| 3320 | |
| 3321 | |
| 4112 | 3322 typedef struct { |
| 3323 u_char size[4]; | |
| 3324 u_char name[4]; | |
| 3325 u_char version[1]; | |
| 3326 u_char flags[3]; | |
| 3327 u_char entries[4]; | |
| 3328 } ngx_mp4_co64_atom_t; | |
| 3329 | |
| 3330 | |
| 3331 static ngx_int_t | |
| 3332 ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 3333 { | |
| 3334 u_char *atom_header, *atom_table, *atom_end; | |
| 3335 uint32_t entries; | |
| 3336 ngx_buf_t *atom, *data; | |
| 3337 ngx_mp4_co64_atom_t *co64_atom; | |
| 3338 ngx_http_mp4_trak_t *trak; | |
| 3339 | |
| 3340 /* chunk offsets atom */ | |
| 3341 | |
| 3342 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 co64 atom"); | |
| 3343 | |
| 3344 atom_header = ngx_mp4_atom_header(mp4); | |
| 3345 co64_atom = (ngx_mp4_co64_atom_t *) atom_header; | |
| 3346 ngx_mp4_set_atom_name(co64_atom, 'c', 'o', '6', '4'); | |
| 3347 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3348 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) > atom_data_size) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3349 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3350 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3351 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3352 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3353 |
| 4112 | 3354 entries = ngx_mp4_get_32value(co64_atom->entries); |
| 3355 | |
| 3356 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
| 3357 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3358 if (ngx_mp4_atom_data_size(ngx_mp4_co64_atom_t) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3359 + entries * sizeof(uint64_t) > atom_data_size) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3360 { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3361 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3362 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3363 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3364 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3365 |
| 4112 | 3366 atom_table = atom_header + sizeof(ngx_mp4_co64_atom_t); |
| 3367 atom_end = atom_table + entries * sizeof(uint64_t); | |
| 3368 | |
| 3369 trak = ngx_mp4_last_trak(mp4); | |
| 3370 trak->chunks = entries; | |
| 3371 | |
| 3372 atom = &trak->co64_atom_buf; | |
| 3373 atom->temporary = 1; | |
| 3374 atom->pos = atom_header; | |
| 3375 atom->last = atom_table; | |
| 3376 | |
| 3377 data = &trak->co64_data_buf; | |
| 3378 data->temporary = 1; | |
| 3379 data->pos = atom_table; | |
| 3380 data->last = atom_end; | |
| 3381 | |
| 3382 trak->out[NGX_HTTP_MP4_CO64_ATOM].buf = atom; | |
| 3383 trak->out[NGX_HTTP_MP4_CO64_DATA].buf = data; | |
| 3384 | |
| 3385 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 3386 | |
| 3387 return NGX_OK; | |
| 3388 } | |
| 3389 | |
| 3390 | |
| 3391 static ngx_int_t | |
| 3392 ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
| 3393 ngx_http_mp4_trak_t *trak) | |
| 3394 { | |
| 3395 size_t atom_size; | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3396 uint64_t entries; |
| 4112 | 3397 ngx_buf_t *atom, *data; |
| 3398 ngx_mp4_co64_atom_t *co64_atom; | |
| 3399 | |
| 3400 /* | |
| 3401 * mdia.minf.stbl.co64 updating requires trak->start_chunk | |
| 3402 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
| 3403 * atom which may reside after mdia.minf | |
| 3404 */ | |
| 3405 | |
| 3406 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 3407 "mp4 co64 atom update"); | |
| 3408 | |
| 3409 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
| 3410 | |
| 3411 if (data == NULL) { | |
| 3412 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 3413 "no mp4 co64 atoms were found in \"%s\"", | |
| 3414 mp4->file.name.data); | |
| 3415 return NGX_ERROR; | |
| 3416 } | |
| 3417 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3418 if (trak->start_chunk > trak->chunks) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3419 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3420 "start time is out mp4 co64 chunks in \"%s\"", |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3421 mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3422 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3423 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
3424 |
| 4112 | 3425 data->pos += trak->start_chunk * sizeof(uint64_t); |
| 3426 | |
| 3427 trak->start_offset = ngx_mp4_get_64value(data->pos); | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3428 trak->start_offset += trak->start_chunk_samples_size; |
| 4112 | 3429 ngx_mp4_set_64value(data->pos, trak->start_offset); |
| 3430 | |
| 3431 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
|
5630
02584b335727
Mp4: improved logging after adding "end" support.
Roman Arutyunyan <arut@nginx.com>
parents:
5629
diff
changeset
|
3432 "start chunk offset:%O", trak->start_offset); |
| 4112 | 3433 |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3434 if (mp4->length) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3435 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3436 if (trak->end_chunk > trak->chunks) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3437 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3438 "end time is out mp4 co64 chunks in \"%s\"", |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3439 mp4->file.name.data); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3440 return NGX_ERROR; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3441 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3442 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3443 entries = trak->end_chunk - trak->start_chunk; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3444 data->last = data->pos + entries * sizeof(uint64_t); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3445 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3446 if (entries) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3447 trak->end_offset = |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3448 ngx_mp4_get_64value(data->last - sizeof(uint64_t)); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3449 trak->end_offset += trak->end_chunk_samples_size; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3450 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3451 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3452 "end chunk offset:%O", trak->end_offset); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3453 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3454 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3455 } else { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3456 entries = trak->chunks - trak->start_chunk; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3457 trak->end_offset = mp4->mdat_data.buf->file_last; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3458 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3459 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3460 if (entries == 0) { |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3461 trak->start_offset = mp4->end; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3462 trak->end_offset = 0; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3463 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3464 |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3465 atom_size = sizeof(ngx_mp4_co64_atom_t) + (data->last - data->pos); |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3466 trak->size += atom_size; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3467 |
| 4112 | 3468 atom = trak->out[NGX_HTTP_MP4_CO64_ATOM].buf; |
| 3469 co64_atom = (ngx_mp4_co64_atom_t *) atom->pos; | |
| 3470 | |
| 3471 ngx_mp4_set_32value(co64_atom->size, atom_size); | |
|
5620
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
3472 ngx_mp4_set_32value(co64_atom->entries, entries); |
| 4112 | 3473 |
| 3474 return NGX_OK; | |
| 3475 } | |
| 3476 | |
| 3477 | |
| 3478 static void | |
| 3479 ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
| 3480 ngx_http_mp4_trak_t *trak, off_t adjustment) | |
| 3481 { | |
| 3482 uint64_t offset, *entry, *end; | |
| 3483 ngx_buf_t *data; | |
| 3484 | |
| 3485 /* | |
| 3486 * moov.trak.mdia.minf.stbl.co64 adjustment requires | |
| 3487 * minimal start offset of all traks and new moov atom size | |
| 3488 */ | |
| 3489 | |
| 3490 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 3491 "mp4 co64 atom adjustment"); | |
| 3492 | |
| 3493 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
| 3494 entry = (uint64_t *) data->pos; | |
| 3495 end = (uint64_t *) data->last; | |
| 3496 | |
| 3497 while (entry < end) { | |
| 3498 offset = ngx_mp4_get_64value(entry); | |
| 3499 offset += adjustment; | |
| 3500 ngx_mp4_set_64value(entry, offset); | |
| 3501 entry++; | |
| 3502 } | |
| 3503 } | |
| 3504 | |
| 3505 | |
| 4085 | 3506 static char * |
| 3507 ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 3508 { | |
| 3509 ngx_http_core_loc_conf_t *clcf; | |
| 3510 | |
| 3511 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
| 3512 clcf->handler = ngx_http_mp4_handler; | |
| 3513 | |
| 3514 return NGX_CONF_OK; | |
| 3515 } | |
| 3516 | |
| 3517 | |
| 3518 static void * | |
| 3519 ngx_http_mp4_create_conf(ngx_conf_t *cf) | |
| 3520 { | |
| 3521 ngx_http_mp4_conf_t *conf; | |
| 3522 | |
| 3523 conf = ngx_palloc(cf->pool, sizeof(ngx_http_mp4_conf_t)); | |
| 3524 if (conf == NULL) { | |
| 3525 return NULL; | |
| 3526 } | |
| 3527 | |
| 3528 conf->buffer_size = NGX_CONF_UNSET_SIZE; | |
|
4089
e27670e1ab70
mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
Igor Sysoev <igor@sysoev.ru>
parents:
4088
diff
changeset
|
3529 conf->max_buffer_size = NGX_CONF_UNSET_SIZE; |
| 4085 | 3530 |
| 3531 return conf; | |
| 3532 } | |
| 3533 | |
| 3534 | |
| 3535 static char * | |
| 3536 ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 3537 { | |
| 3538 ngx_http_mp4_conf_t *prev = parent; | |
| 3539 ngx_http_mp4_conf_t *conf = child; | |
| 3540 | |
| 3541 ngx_conf_merge_size_value(conf->buffer_size, prev->buffer_size, 512 * 1024); | |
|
4089
e27670e1ab70
mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
Igor Sysoev <igor@sysoev.ru>
parents:
4088
diff
changeset
|
3542 ngx_conf_merge_size_value(conf->max_buffer_size, prev->max_buffer_size, |
| 4085 | 3543 10 * 1024 * 1024); |
| 3544 | |
| 3545 return NGX_CONF_OK; | |
| 3546 } |