Mercurial > hg > nginx
annotate src/http/modules/ngx_http_mp4_module.c @ 6782:b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
This allows to correctly parse "start" and "end" arguments without
null-termination (ticket #475), and also fixes rounding errors observed
with strtod() when using i387 instructions.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Thu, 27 Oct 2016 17:57:16 +0300 |
| parents | 6136a51f9c21 |
| 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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|
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
diff
changeset
|
705 } |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
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parents:
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changeset
|
706 |
|
b123eae3fd4e
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|
707 if (*line < '0' || *line > '9') { |
|
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parents:
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diff
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|
708 return NGX_ERROR; |
|
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Mp4: introduced custom version of ngx_atofp().
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|
709 } |
|
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|
710 |
|
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
711 if (point == 0) { |
|
b123eae3fd4e
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parents:
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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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parents:
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diff
changeset
|
714 |
|
b123eae3fd4e
Mp4: introduced custom version of ngx_atofp().
Maxim Dounin <mdounin@mdounin.ru>
parents:
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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; |
|
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|
717 } |
|
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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:
6722
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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parents:
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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:
6722
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>
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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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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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parents:
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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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parents:
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diff
changeset
|
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.
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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:
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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
0a567878254b
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
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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 |
|
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964 if (atom_size > (uint64_t) (NGX_MAX_OFF_T_VALUE - mp4->offset) |
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965 || mp4->offset + (off_t) atom_size > end) |
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966 { |
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967 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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968 "\"%s\" mp4 atom too large:%uL", |
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969 mp4->file.name.data, atom_size); |
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970 return NGX_ERROR; |
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971 } |
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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 | |
|
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999 ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size) |
| 4085 | 1000 { |
|
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1001 ssize_t n; |
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1002 |
|
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1003 if (mp4->buffer_pos + size <= mp4->buffer_end) { |
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1004 return NGX_OK; |
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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 | |
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1011 if (mp4->buffer_size < size) { |
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1012 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1013 "\"%s\" mp4 file truncated", mp4->file.name.data); |
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1014 return NGX_ERROR; |
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1015 } |
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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 | |
|
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1033 if ((size_t) n != mp4->buffer_size) { |
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1034 ngx_log_error(NGX_LOG_CRIT, mp4->file.log, 0, |
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1035 ngx_read_file_n " read only %z of %z from \"%s\"", |
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1036 n, mp4->buffer_size, mp4->file.name.data); |
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1037 return NGX_ERROR; |
| 4085 | 1038 } |
| 1039 | |
| 1040 mp4->buffer_pos = mp4->buffer_start; | |
|
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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 | |
|
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1056 if (atom_data_size > 1024 |
|
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1057 || ngx_mp4_atom_data(mp4) + (size_t) atom_data_size > mp4->buffer_end) |
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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 | |
|
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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 | |
|
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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
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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 | |
|
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1144 if (ngx_http_mp4_read(mp4, (size_t) atom_data_size) != NGX_OK) { |
|
4688
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|
1145 return NGX_ERROR; |
|
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|
1146 } |
|
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|
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 | |
|
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|
1168 if (mp4->buffer_start + mp4->buffer_size > mp4->buffer_end) { |
|
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|
1169 mp4->buffer = NULL; |
|
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1170 mp4->buffer_pos = NULL; |
|
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|
1171 mp4->buffer_end = NULL; |
|
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|
1172 } |
|
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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; | |
|
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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 | |
|
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1214 ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, off_t start_offset, |
|
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|
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 | |
|
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|
1223 atom_data_size = end_offset - start_offset; |
| 4085 | 1224 mp4->mdat_data.buf->file_pos = start_offset; |
|
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|
1225 mp4->mdat_data.buf->file_last = end_offset; |
| 4085 | 1226 |
|
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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 | |
|
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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
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Igor Sysoev <igor@sysoev.ru>
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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.
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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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parents:
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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 */ | |
|
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parents:
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diff
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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) { |
|
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Mp4: sanity checks cleanup.
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parents:
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changeset
|
1541 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
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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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Mp4: sanity checks cleanup.
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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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Mp4: skip tracks shorter than seek position (ticket #414).
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parents:
5542
diff
changeset
|
1554 start_time = (uint64_t) mp4->start * mp4->timescale / 1000; |
|
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
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parents:
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diff
changeset
|
1555 |
|
5629
c7bbc5fcf27c
Mp4: fixed seeking to a track end.
Roman Arutyunyan <arut@nginx.com>
parents:
5622
diff
changeset
|
1556 if (duration <= start_time) { |
|
5543
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Mp4: skip tracks shorter than seek position (ticket #414).
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parents:
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diff
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|
1557 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
5730c0193842
Mp4: skip tracks shorter than seek position (ticket #414).
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parents:
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diff
changeset
|
1558 "tkhd duration is less than start time"); |
|
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parents:
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diff
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|
1559 return NGX_DECLINED; |
|
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parents:
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diff
changeset
|
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 |
|
5620
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Mp4: added "end" argument support.
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parents:
5619
diff
changeset
|
1564 if (mp4->length) { |
|
0a567878254b
Mp4: added "end" argument support.
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parents:
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diff
changeset
|
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
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
parents:
5619
diff
changeset
|
1568 duration = length_time; |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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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diff
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|
1570 } |
|
0a567878254b
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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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diff
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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) { |
|
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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); |
|
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diff
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|
1689 return NGX_ERROR; |
|
3f874d645f45
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|
1690 } |
|
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diff
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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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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:
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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
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
1704 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
1705 } |
|
3f874d645f45
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parents:
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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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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>
parents:
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diff
changeset
|
1719 "mdhd duration is less than start time"); |
|
5730c0193842
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Roman Arutyunyan <arut@nginx.com>
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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 |
|
5730c0193842
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diff
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|
1723 duration -= start_time; |
| 4085 | 1724 |
|
5620
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|
1725 if (mp4->length) { |
|
0a567878254b
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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
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|
1729 duration = length_time; |
|
0a567878254b
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5619
diff
changeset
|
1730 } |
|
0a567878254b
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|
1731 } |
|
0a567878254b
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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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changeset
|
2139 atom = trak->out[NGX_HTTP_MP4_STTS_ATOM].buf; |
|
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|
2140 stts_atom = (ngx_mp4_stts_atom_t *) atom->pos; |
|
517b5b599e3f
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diff
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|
2141 ngx_mp4_set_32value(stts_atom->size, atom_size); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
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|
2142 ngx_mp4_set_32value(stts_atom->entries, trak->time_to_sample_entries); |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2143 |
|
517b5b599e3f
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diff
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|
2144 return NGX_OK; |
|
517b5b599e3f
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Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2145 } |
|
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Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2146 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2147 |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
2148 static ngx_int_t |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
Roman Arutyunyan <arut@nginx.com>
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diff
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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) |
|
5619
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diff
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|
2151 { |
|
5620
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diff
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|
2152 uint32_t count, duration, rest; |
|
5619
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Mp4: moved atom cropping code out of update functions.
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diff
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|
2153 uint64_t start_time; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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diff
changeset
|
2154 ngx_buf_t *data; |
|
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Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
2155 ngx_uint_t start_sample, entries, start_sec; |
|
5619
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Mp4: moved atom cropping code out of update functions.
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|
2156 ngx_mp4_stts_entry_t *entry, *end; |
|
517b5b599e3f
Mp4: moved atom cropping code out of update functions.
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parents:
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diff
changeset
|
2157 |
|
5620
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|
2158 if (start) { |
|
0a567878254b
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diff
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|
2159 start_sec = mp4->start; |
|
0a567878254b
Mp4: added "end" argument support.
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diff
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|
2160 |
|
5630
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|
2161 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
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|
2162 "mp4 stts crop start_time:%ui", start_sec); |
|
02584b335727
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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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Mp4: added "end" argument support.
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|
2166 |
|
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|
2167 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
|
02584b335727
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diff
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|
2168 "mp4 stts crop end_time:%ui", start_sec); |
|
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diff
changeset
|
2169 |
|
5620
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diff
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|
2170 } else { |
|
0a567878254b
Mp4: added "end" argument support.
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diff
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|
2171 return NGX_OK; |
|
0a567878254b
Mp4: added "end" argument support.
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diff
changeset
|
2172 } |
|
0a567878254b
Mp4: added "end" argument support.
Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2173 |
|
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|
2174 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; |
|
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Roman Arutyunyan <arut@nginx.com>
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diff
changeset
|
2175 |
|
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|
2176 start_time = (uint64_t) start_sec * trak->timescale / 1000; |
| 4085 | 2177 |
|
5619
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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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diff
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|
2188 "time:%uL, count:%uD, duration:%uD", |
|
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diff
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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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diff
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|
2203 if (start) { |
|
0c0dd1aacdf5
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Roman Arutyunyan <arut@nginx.com>
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|
2204 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
0c0dd1aacdf5
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diff
changeset
|
2205 "start time is out mp4 stts samples in \"%s\"", |
|
0c0dd1aacdf5
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|
2206 mp4->file.name.data); |
|
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|
2207 |
|
0c0dd1aacdf5
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|
2208 return NGX_ERROR; |
|
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Roman Arutyunyan <arut@nginx.com>
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diff
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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 |
|
0c0dd1aacdf5
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|
2216 return NGX_OK; |
|
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Roman Arutyunyan <arut@nginx.com>
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|
2217 } |
| 4085 | 2218 |
| 2219 found: | |
| 2220 | |
|
5620
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|
2221 if (start) { |
|
0a567878254b
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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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Roman Arutyunyan <arut@nginx.com>
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changeset
|
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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changeset
|
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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changeset
|
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 | |
|
4585
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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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changeset
|
2297 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
| 4085 | 2298 return NGX_ERROR; |
| 2299 } | |
| 2300 | |
|
4585
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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 } |