Mercurial > hg > nginx
annotate src/http/modules/ngx_http_mp4_module.c @ 5202:322434f13bd8
Mp4: indentation and style, no functional changes.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Sat, 11 May 2013 18:49:49 +0400 |
| parents | 37671d0042b7 |
| children | 670ceaba03d8 |
| 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_CHUNK 18 |
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31 #define NGX_HTTP_MP4_STSC_DATA 19 |
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32 #define NGX_HTTP_MP4_STSZ_ATOM 20 |
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33 #define NGX_HTTP_MP4_STSZ_DATA 21 |
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34 #define NGX_HTTP_MP4_STCO_ATOM 22 |
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35 #define NGX_HTTP_MP4_STCO_DATA 23 |
| 4112 | 36 #define NGX_HTTP_MP4_CO64_ATOM 24 |
| 37 #define NGX_HTTP_MP4_CO64_DATA 25 | |
| 38 | |
| 39 #define NGX_HTTP_MP4_LAST_ATOM NGX_HTTP_MP4_CO64_DATA | |
| 4085 | 40 |
| 41 | |
| 42 typedef struct { | |
| 43 size_t buffer_size; | |
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44 size_t max_buffer_size; |
| 4085 | 45 } ngx_http_mp4_conf_t; |
| 46 | |
| 47 | |
| 48 typedef struct { | |
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49 u_char chunk[4]; |
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50 u_char samples[4]; |
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51 u_char id[4]; |
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52 } ngx_mp4_stsc_entry_t; |
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53 |
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54 |
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55 typedef struct { |
| 4085 | 56 uint32_t timescale; |
| 57 uint32_t time_to_sample_entries; | |
| 58 uint32_t sample_to_chunk_entries; | |
| 59 uint32_t sync_samples_entries; | |
| 60 uint32_t composition_offset_entries; | |
| 61 uint32_t sample_sizes_entries; | |
| 62 uint32_t chunks; | |
| 63 | |
| 64 ngx_uint_t start_sample; | |
| 65 ngx_uint_t start_chunk; | |
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66 ngx_uint_t chunk_samples; |
| 4112 | 67 uint64_t chunk_samples_size; |
| 4085 | 68 off_t start_offset; |
| 69 | |
| 70 size_t tkhd_size; | |
| 71 size_t mdhd_size; | |
| 72 size_t hdlr_size; | |
| 73 size_t vmhd_size; | |
| 74 size_t smhd_size; | |
| 75 size_t dinf_size; | |
| 76 size_t size; | |
| 77 | |
| 78 ngx_chain_t out[NGX_HTTP_MP4_LAST_ATOM + 1]; | |
| 79 | |
| 80 ngx_buf_t trak_atom_buf; | |
| 81 ngx_buf_t tkhd_atom_buf; | |
| 82 ngx_buf_t mdia_atom_buf; | |
| 83 ngx_buf_t mdhd_atom_buf; | |
| 84 ngx_buf_t hdlr_atom_buf; | |
| 85 ngx_buf_t minf_atom_buf; | |
| 86 ngx_buf_t vmhd_atom_buf; | |
| 87 ngx_buf_t smhd_atom_buf; | |
| 88 ngx_buf_t dinf_atom_buf; | |
| 89 ngx_buf_t stbl_atom_buf; | |
| 90 ngx_buf_t stsd_atom_buf; | |
| 91 ngx_buf_t stts_atom_buf; | |
| 92 ngx_buf_t stts_data_buf; | |
| 93 ngx_buf_t stss_atom_buf; | |
| 94 ngx_buf_t stss_data_buf; | |
| 95 ngx_buf_t ctts_atom_buf; | |
| 96 ngx_buf_t ctts_data_buf; | |
| 97 ngx_buf_t stsc_atom_buf; | |
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98 ngx_buf_t stsc_chunk_buf; |
| 4085 | 99 ngx_buf_t stsc_data_buf; |
| 100 ngx_buf_t stsz_atom_buf; | |
| 101 ngx_buf_t stsz_data_buf; | |
| 4107 | 102 ngx_buf_t stco_atom_buf; |
| 103 ngx_buf_t stco_data_buf; | |
| 4112 | 104 ngx_buf_t co64_atom_buf; |
| 105 ngx_buf_t co64_data_buf; | |
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106 |
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107 ngx_mp4_stsc_entry_t stsc_chunk_entry; |
| 4085 | 108 } ngx_http_mp4_trak_t; |
| 109 | |
| 110 | |
| 111 typedef struct { | |
| 112 ngx_file_t file; | |
| 113 | |
| 114 u_char *buffer; | |
| 115 u_char *buffer_start; | |
| 116 u_char *buffer_pos; | |
| 117 u_char *buffer_end; | |
| 118 size_t buffer_size; | |
| 119 | |
| 120 off_t offset; | |
| 121 off_t end; | |
| 122 off_t content_length; | |
| 123 ngx_uint_t start; | |
| 124 uint32_t timescale; | |
| 125 ngx_http_request_t *request; | |
| 126 ngx_array_t trak; | |
| 127 ngx_http_mp4_trak_t traks[2]; | |
| 128 | |
| 129 size_t ftyp_size; | |
| 130 size_t moov_size; | |
| 131 | |
| 132 ngx_chain_t *out; | |
| 133 ngx_chain_t ftyp_atom; | |
| 134 ngx_chain_t moov_atom; | |
| 135 ngx_chain_t mvhd_atom; | |
| 136 ngx_chain_t mdat_atom; | |
| 137 ngx_chain_t mdat_data; | |
| 138 | |
| 139 ngx_buf_t ftyp_atom_buf; | |
| 140 ngx_buf_t moov_atom_buf; | |
| 141 ngx_buf_t mvhd_atom_buf; | |
| 142 ngx_buf_t mdat_atom_buf; | |
| 143 ngx_buf_t mdat_data_buf; | |
| 144 | |
| 145 u_char moov_atom_header[8]; | |
| 146 u_char mdat_atom_header[16]; | |
| 147 } ngx_http_mp4_file_t; | |
| 148 | |
| 149 | |
| 150 typedef struct { | |
| 151 char *name; | |
| 152 ngx_int_t (*handler)(ngx_http_mp4_file_t *mp4, | |
| 153 uint64_t atom_data_size); | |
| 154 } ngx_http_mp4_atom_handler_t; | |
| 155 | |
| 156 | |
| 157 #define ngx_mp4_atom_header(mp4) (mp4->buffer_pos - 8) | |
| 158 #define ngx_mp4_atom_data(mp4) mp4->buffer_pos | |
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159 #define ngx_mp4_atom_data_size(t) (uint64_t) (sizeof(t) - 8) |
| 4085 | 160 #define ngx_mp4_atom_next(mp4, n) mp4->buffer_pos += n; mp4->offset += n |
| 161 | |
| 162 | |
| 163 #define ngx_mp4_set_atom_name(p, n1, n2, n3, n4) \ | |
| 164 ((u_char *) (p))[4] = n1; \ | |
| 165 ((u_char *) (p))[5] = n2; \ | |
| 166 ((u_char *) (p))[6] = n3; \ | |
| 167 ((u_char *) (p))[7] = n4 | |
| 168 | |
| 169 #define ngx_mp4_get_32value(p) \ | |
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170 ( ((uint32_t) ((u_char *) (p))[0] << 24) \ |
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171 + ( ((u_char *) (p))[1] << 16) \ |
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172 + ( ((u_char *) (p))[2] << 8) \ |
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173 + ( ((u_char *) (p))[3]) ) |
| 4085 | 174 |
| 175 #define ngx_mp4_set_32value(p, n) \ | |
| 176 ((u_char *) (p))[0] = (u_char) ((n) >> 24); \ | |
| 177 ((u_char *) (p))[1] = (u_char) ((n) >> 16); \ | |
| 178 ((u_char *) (p))[2] = (u_char) ((n) >> 8); \ | |
| 179 ((u_char *) (p))[3] = (u_char) (n) | |
| 180 | |
| 181 #define ngx_mp4_get_64value(p) \ | |
| 182 ( ((uint64_t) ((u_char *) (p))[0] << 56) \ | |
| 183 + ((uint64_t) ((u_char *) (p))[1] << 48) \ | |
| 184 + ((uint64_t) ((u_char *) (p))[2] << 40) \ | |
| 185 + ((uint64_t) ((u_char *) (p))[3] << 32) \ | |
| 186 + ((uint64_t) ((u_char *) (p))[4] << 24) \ | |
| 187 + ( ((u_char *) (p))[5] << 16) \ | |
| 188 + ( ((u_char *) (p))[6] << 8) \ | |
| 189 + ( ((u_char *) (p))[7]) ) | |
| 190 | |
| 191 #define ngx_mp4_set_64value(p, n) \ | |
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192 ((u_char *) (p))[0] = (u_char) ((uint64_t) (n) >> 56); \ |
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193 ((u_char *) (p))[1] = (u_char) ((uint64_t) (n) >> 48); \ |
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194 ((u_char *) (p))[2] = (u_char) ((uint64_t) (n) >> 40); \ |
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195 ((u_char *) (p))[3] = (u_char) ((uint64_t) (n) >> 32); \ |
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196 ((u_char *) (p))[4] = (u_char) ( (n) >> 24); \ |
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197 ((u_char *) (p))[5] = (u_char) ( (n) >> 16); \ |
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198 ((u_char *) (p))[6] = (u_char) ( (n) >> 8); \ |
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199 ((u_char *) (p))[7] = (u_char) (n) |
| 4085 | 200 |
| 201 #define ngx_mp4_last_trak(mp4) \ | |
| 202 &((ngx_http_mp4_trak_t *) mp4->trak.elts)[mp4->trak.nelts - 1] | |
| 203 | |
| 204 | |
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205 static ngx_int_t ngx_http_mp4_handler(ngx_http_request_t *r); |
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206 |
| 4085 | 207 static ngx_int_t ngx_http_mp4_process(ngx_http_mp4_file_t *mp4); |
| 208 static ngx_int_t ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
| 209 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size); | |
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210 static ngx_int_t ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size); |
| 4085 | 211 static ngx_int_t ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, |
| 212 uint64_t atom_data_size); | |
| 213 static ngx_int_t ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, | |
| 214 uint64_t atom_data_size); | |
| 215 static ngx_int_t ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, | |
| 216 uint64_t atom_data_size); | |
| 217 static size_t ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, | |
| 218 off_t start_offset); | |
| 219 static ngx_int_t ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, | |
| 220 uint64_t atom_data_size); | |
| 221 static ngx_int_t ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, | |
| 222 uint64_t atom_data_size); | |
| 223 static void ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
| 224 ngx_http_mp4_trak_t *trak); | |
| 225 static ngx_int_t ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, | |
| 226 uint64_t atom_data_size); | |
| 227 static ngx_int_t ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, | |
| 228 uint64_t atom_data_size); | |
| 229 static ngx_int_t ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, | |
| 230 uint64_t atom_data_size); | |
| 231 static void ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
| 232 ngx_http_mp4_trak_t *trak); | |
| 233 static ngx_int_t ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, | |
| 234 uint64_t atom_data_size); | |
| 235 static ngx_int_t ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, | |
| 236 uint64_t atom_data_size); | |
| 237 static ngx_int_t ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, | |
| 238 uint64_t atom_data_size); | |
| 239 static void ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
| 240 ngx_http_mp4_trak_t *trak); | |
| 241 static ngx_int_t ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, | |
| 242 uint64_t atom_data_size); | |
| 243 static ngx_int_t ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, | |
| 244 uint64_t atom_data_size); | |
| 245 static ngx_int_t ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, | |
| 246 uint64_t atom_data_size); | |
| 247 static ngx_int_t ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, | |
| 248 uint64_t atom_data_size); | |
| 249 static void ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
| 250 ngx_http_mp4_trak_t *trak); | |
| 251 static ngx_int_t ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, | |
| 252 uint64_t atom_data_size); | |
| 253 static ngx_int_t ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, | |
| 254 uint64_t atom_data_size); | |
| 255 static ngx_int_t ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
| 256 ngx_http_mp4_trak_t *trak); | |
| 257 static ngx_int_t ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, | |
| 258 uint64_t atom_data_size); | |
| 259 static ngx_int_t ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
| 260 ngx_http_mp4_trak_t *trak); | |
| 261 static ngx_int_t ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, | |
| 262 uint64_t atom_data_size); | |
| 263 static void ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
| 264 ngx_http_mp4_trak_t *trak); | |
| 265 static ngx_int_t ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, | |
| 266 uint64_t atom_data_size); | |
| 267 static ngx_int_t ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
| 268 ngx_http_mp4_trak_t *trak); | |
| 269 static ngx_int_t ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, | |
| 270 uint64_t atom_data_size); | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
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4579
diff
changeset
|
271 static ngx_int_t ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
| 4085 | 272 ngx_http_mp4_trak_t *trak); |
| 273 static ngx_int_t ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, | |
| 274 uint64_t atom_data_size); | |
| 275 static ngx_int_t ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
| 276 ngx_http_mp4_trak_t *trak); | |
| 277 static void ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
| 278 ngx_http_mp4_trak_t *trak, int32_t adjustment); | |
| 4112 | 279 static ngx_int_t ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, |
| 280 uint64_t atom_data_size); | |
| 281 static ngx_int_t ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
| 282 ngx_http_mp4_trak_t *trak); | |
| 283 static void ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
| 284 ngx_http_mp4_trak_t *trak, off_t adjustment); | |
|
5202
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|
285 |
| 4085 | 286 static char *ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| 287 static void *ngx_http_mp4_create_conf(ngx_conf_t *cf); | |
| 288 static char *ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child); | |
| 289 | |
|
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|
290 |
| 4085 | 291 static ngx_command_t ngx_http_mp4_commands[] = { |
| 292 | |
| 293 { ngx_string("mp4"), | |
| 294 NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS, | |
| 295 ngx_http_mp4, | |
| 296 0, | |
| 297 0, | |
| 298 NULL }, | |
| 299 | |
| 300 { ngx_string("mp4_buffer_size"), | |
| 301 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 302 ngx_conf_set_size_slot, | |
| 303 NGX_HTTP_LOC_CONF_OFFSET, | |
| 304 offsetof(ngx_http_mp4_conf_t, buffer_size), | |
| 305 NULL }, | |
| 306 | |
|
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mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
Igor Sysoev <igor@sysoev.ru>
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diff
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|
307 { ngx_string("mp4_max_buffer_size"), |
| 4085 | 308 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
| 309 ngx_conf_set_size_slot, | |
| 310 NGX_HTTP_LOC_CONF_OFFSET, | |
|
4089
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mp4_max_moov_size directive has been renamed to mp4_max_buffer_size.
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diff
changeset
|
311 offsetof(ngx_http_mp4_conf_t, max_buffer_size), |
| 4085 | 312 NULL }, |
| 313 | |
| 314 ngx_null_command | |
| 315 }; | |
| 316 | |
| 317 | |
| 318 static ngx_http_module_t ngx_http_mp4_module_ctx = { | |
| 319 NULL, /* preconfiguration */ | |
| 320 NULL, /* postconfiguration */ | |
| 321 | |
| 322 NULL, /* create main configuration */ | |
| 323 NULL, /* init main configuration */ | |
| 324 | |
| 325 NULL, /* create server configuration */ | |
| 326 NULL, /* merge server configuration */ | |
| 327 | |
| 328 ngx_http_mp4_create_conf, /* create location configuration */ | |
| 329 ngx_http_mp4_merge_conf /* merge location configuration */ | |
| 330 }; | |
| 331 | |
| 332 | |
| 333 ngx_module_t ngx_http_mp4_module = { | |
| 334 NGX_MODULE_V1, | |
| 335 &ngx_http_mp4_module_ctx, /* module context */ | |
| 336 ngx_http_mp4_commands, /* module directives */ | |
| 337 NGX_HTTP_MODULE, /* module type */ | |
| 338 NULL, /* init master */ | |
| 339 NULL, /* init module */ | |
| 340 NULL, /* init process */ | |
| 341 NULL, /* init thread */ | |
| 342 NULL, /* exit thread */ | |
| 343 NULL, /* exit process */ | |
| 344 NULL, /* exit master */ | |
| 345 NGX_MODULE_V1_PADDING | |
| 346 }; | |
| 347 | |
| 348 | |
| 349 static ngx_http_mp4_atom_handler_t ngx_http_mp4_atoms[] = { | |
| 350 { "ftyp", ngx_http_mp4_read_ftyp_atom }, | |
| 351 { "moov", ngx_http_mp4_read_moov_atom }, | |
| 352 { "mdat", ngx_http_mp4_read_mdat_atom }, | |
| 353 { NULL, NULL } | |
| 354 }; | |
| 355 | |
| 356 static ngx_http_mp4_atom_handler_t ngx_http_mp4_moov_atoms[] = { | |
| 357 { "mvhd", ngx_http_mp4_read_mvhd_atom }, | |
| 358 { "trak", ngx_http_mp4_read_trak_atom }, | |
| 359 { "cmov", ngx_http_mp4_read_cmov_atom }, | |
| 360 { NULL, NULL } | |
| 361 }; | |
| 362 | |
| 363 static ngx_http_mp4_atom_handler_t ngx_http_mp4_trak_atoms[] = { | |
| 364 { "tkhd", ngx_http_mp4_read_tkhd_atom }, | |
| 365 { "mdia", ngx_http_mp4_read_mdia_atom }, | |
| 366 { NULL, NULL } | |
| 367 }; | |
| 368 | |
| 369 static ngx_http_mp4_atom_handler_t ngx_http_mp4_mdia_atoms[] = { | |
| 370 { "mdhd", ngx_http_mp4_read_mdhd_atom }, | |
| 371 { "hdlr", ngx_http_mp4_read_hdlr_atom }, | |
| 372 { "minf", ngx_http_mp4_read_minf_atom }, | |
| 373 { NULL, NULL } | |
| 374 }; | |
| 375 | |
| 376 static ngx_http_mp4_atom_handler_t ngx_http_mp4_minf_atoms[] = { | |
| 377 { "vmhd", ngx_http_mp4_read_vmhd_atom }, | |
| 378 { "smhd", ngx_http_mp4_read_smhd_atom }, | |
| 379 { "dinf", ngx_http_mp4_read_dinf_atom }, | |
| 380 { "stbl", ngx_http_mp4_read_stbl_atom }, | |
| 381 { NULL, NULL } | |
| 382 }; | |
| 383 | |
| 384 static ngx_http_mp4_atom_handler_t ngx_http_mp4_stbl_atoms[] = { | |
| 385 { "stsd", ngx_http_mp4_read_stsd_atom }, | |
| 386 { "stts", ngx_http_mp4_read_stts_atom }, | |
| 387 { "stss", ngx_http_mp4_read_stss_atom }, | |
| 388 { "ctts", ngx_http_mp4_read_ctts_atom }, | |
| 389 { "stsc", ngx_http_mp4_read_stsc_atom }, | |
| 390 { "stsz", ngx_http_mp4_read_stsz_atom }, | |
| 391 { "stco", ngx_http_mp4_read_stco_atom }, | |
| 4112 | 392 { "co64", ngx_http_mp4_read_co64_atom }, |
| 4085 | 393 { NULL, NULL } |
| 394 }; | |
| 395 | |
| 396 | |
| 397 static ngx_int_t | |
| 398 ngx_http_mp4_handler(ngx_http_request_t *r) | |
| 399 { | |
| 400 u_char *last; | |
| 401 size_t root; | |
| 402 ngx_int_t rc, start; | |
| 403 ngx_uint_t level; | |
| 404 ngx_str_t path, value; | |
| 405 ngx_log_t *log; | |
| 406 ngx_buf_t *b; | |
| 407 ngx_chain_t out; | |
| 408 ngx_http_mp4_file_t *mp4; | |
| 409 ngx_open_file_info_t of; | |
| 410 ngx_http_core_loc_conf_t *clcf; | |
| 411 | |
| 412 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { | |
| 413 return NGX_HTTP_NOT_ALLOWED; | |
| 414 } | |
| 415 | |
| 416 if (r->uri.data[r->uri.len - 1] == '/') { | |
| 417 return NGX_DECLINED; | |
| 418 } | |
| 419 | |
| 420 rc = ngx_http_discard_request_body(r); | |
| 421 | |
| 422 if (rc != NGX_OK) { | |
| 423 return rc; | |
| 424 } | |
| 425 | |
| 426 last = ngx_http_map_uri_to_path(r, &path, &root, 0); | |
| 427 if (last == NULL) { | |
| 428 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 429 } | |
| 430 | |
| 431 log = r->connection->log; | |
| 432 | |
| 433 path.len = last - path.data; | |
| 434 | |
| 435 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, | |
| 436 "http mp4 filename: \"%V\"", &path); | |
| 437 | |
| 438 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 439 | |
| 440 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); | |
| 441 | |
| 442 of.read_ahead = clcf->read_ahead; | |
|
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Bugfix of r4086: directio was always enabled if mp4 file was sent as is.
Igor Sysoev <igor@sysoev.ru>
parents:
4085
diff
changeset
|
443 of.directio = NGX_MAX_OFF_T_VALUE; |
| 4085 | 444 of.valid = clcf->open_file_cache_valid; |
| 445 of.min_uses = clcf->open_file_cache_min_uses; | |
| 446 of.errors = clcf->open_file_cache_errors; | |
| 447 of.events = clcf->open_file_cache_events; | |
|
4494
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Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
parents:
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diff
changeset
|
448 |
|
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
449 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { |
|
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
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diff
changeset
|
450 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
|
13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
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diff
changeset
|
451 } |
| 4085 | 452 |
| 453 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) | |
| 454 != NGX_OK) | |
| 455 { | |
| 456 switch (of.err) { | |
| 457 | |
| 458 case 0: | |
| 459 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 460 | |
| 461 case NGX_ENOENT: | |
| 462 case NGX_ENOTDIR: | |
| 463 case NGX_ENAMETOOLONG: | |
| 464 | |
| 465 level = NGX_LOG_ERR; | |
| 466 rc = NGX_HTTP_NOT_FOUND; | |
| 467 break; | |
| 468 | |
| 469 case NGX_EACCES: | |
|
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Support for disable_symlinks in various modules.
Andrey Belov <defan@nginx.com>
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diff
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|
470 #if (NGX_HAVE_OPENAT) |
|
08713bac87fc
Support for disable_symlinks in various modules.
Andrey Belov <defan@nginx.com>
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4412
diff
changeset
|
471 case NGX_EMLINK: |
|
08713bac87fc
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diff
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|
472 case NGX_ELOOP: |
|
08713bac87fc
Support for disable_symlinks in various modules.
Andrey Belov <defan@nginx.com>
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changeset
|
473 #endif |
| 4085 | 474 |
| 475 level = NGX_LOG_ERR; | |
| 476 rc = NGX_HTTP_FORBIDDEN; | |
| 477 break; | |
| 478 | |
| 479 default: | |
| 480 | |
| 481 level = NGX_LOG_CRIT; | |
| 482 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 483 break; | |
| 484 } | |
| 485 | |
| 486 if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { | |
| 487 ngx_log_error(level, log, of.err, | |
| 488 "%s \"%s\" failed", of.failed, path.data); | |
| 489 } | |
| 490 | |
| 491 return rc; | |
| 492 } | |
| 493 | |
| 494 if (!of.is_file) { | |
| 495 | |
| 496 if (ngx_close_file(of.fd) == NGX_FILE_ERROR) { | |
| 497 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| 498 ngx_close_file_n " \"%s\" failed", path.data); | |
| 499 } | |
| 500 | |
| 501 return NGX_DECLINED; | |
| 502 } | |
| 503 | |
| 504 r->root_tested = !r->error_page; | |
| 505 r->allow_ranges = 1; | |
| 506 | |
| 507 start = -1; | |
| 508 r->headers_out.content_length_n = of.size; | |
| 509 mp4 = NULL; | |
| 510 b = NULL; | |
| 511 | |
| 512 if (r->args.len) { | |
| 513 | |
| 514 if (ngx_http_arg(r, (u_char *) "start", 5, &value) == NGX_OK) { | |
| 515 | |
|
4156
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Using strtod() instead of atofp() to support a lot of digits after dot in
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|
516 /* |
|
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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|
517 * A Flash player may send start value with a lot of digits |
|
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518 * after dot so strtod() is used instead of atofp(). NaNs and |
|
67a4654ba7d9
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|
519 * infinities become negative numbers after (int) conversion. |
|
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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|
520 */ |
|
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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|
521 |
|
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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|
522 ngx_set_errno(0); |
|
67a4654ba7d9
Using strtod() instead of atofp() to support a lot of digits after dot in
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changeset
|
523 start = (int) (strtod((char *) value.data, NULL) * 1000); |
|
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Using strtod() instead of atofp() to support a lot of digits after dot in
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|
524 |
|
5202
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Mp4: indentation and style, no functional changes.
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|
525 if (ngx_errno != 0) { |
|
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|
526 start = -1; |
| 4085 | 527 } |
| 528 } | |
| 529 } | |
| 530 | |
|
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|
531 if (start >= 0) { |
|
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|
532 r->allow_ranges = 0; |
|
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533 |
|
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|
534 mp4 = ngx_pcalloc(r->pool, sizeof(ngx_http_mp4_file_t)); |
|
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535 if (mp4 == NULL) { |
|
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536 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
|
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537 } |
|
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538 |
|
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539 mp4->file.fd = of.fd; |
|
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540 mp4->file.name = path; |
|
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|
541 mp4->file.log = r->connection->log;; |
|
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|
542 mp4->end = of.size; |
|
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changeset
|
543 mp4->start = (ngx_uint_t) start; |
|
322434f13bd8
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diff
changeset
|
544 mp4->request = r; |
|
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|
545 |
|
322434f13bd8
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Maxim Dounin <mdounin@mdounin.ru>
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|
546 switch (ngx_http_mp4_process(mp4)) { |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
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|
547 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
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|
548 case NGX_DECLINED: |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
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parents:
5097
diff
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|
549 if (mp4->buffer) { |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
550 ngx_pfree(r->pool, mp4->buffer); |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
551 } |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
552 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
553 ngx_pfree(r->pool, mp4); |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
554 mp4 = NULL; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
555 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
556 break; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
557 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
558 case NGX_OK: |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
559 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
|
560 break; |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
561 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
562 default: /* NGX_ERROR */ |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
563 if (mp4->buffer) { |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
564 ngx_pfree(r->pool, mp4->buffer); |
|
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 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
567 ngx_pfree(r->pool, mp4); |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
568 |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
569 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
|
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 } |
|
322434f13bd8
Mp4: indentation and style, no functional changes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
5097
diff
changeset
|
572 |
| 4085 | 573 log->action = "sending mp4 to client"; |
| 574 | |
| 575 if (clcf->directio <= of.size) { | |
| 576 | |
| 577 /* | |
| 578 * DIRECTIO is set on transfer only | |
| 579 * to allow kernel to cache "moov" atom | |
| 580 */ | |
| 581 | |
| 582 if (ngx_directio_on(of.fd) == NGX_FILE_ERROR) { | |
| 583 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| 584 ngx_directio_on_n " \"%s\" failed", path.data); | |
| 585 } | |
| 586 | |
|
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
|
587 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
|
588 |
| 4085 | 589 if (mp4) { |
| 590 mp4->file.directio = 1; | |
| 591 } | |
| 592 } | |
| 593 | |
| 594 r->headers_out.status = NGX_HTTP_OK; | |
| 595 r->headers_out.last_modified_time = of.mtime; | |
| 596 | |
|
4748
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
597 if (ngx_http_set_etag(r) != NGX_OK) { |
|
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
598 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
|
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
599 } |
|
192f54280a7a
Entity tags: set for static respones.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4705
diff
changeset
|
600 |
| 4085 | 601 if (ngx_http_set_content_type(r) != NGX_OK) { |
| 602 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 603 } | |
| 604 | |
| 605 if (mp4 == NULL) { | |
| 606 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); | |
| 607 if (b == NULL) { | |
| 608 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 609 } | |
| 610 | |
| 611 b->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)); | |
| 612 if (b->file == NULL) { | |
| 613 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 614 } | |
| 615 } | |
| 616 | |
| 617 rc = ngx_http_send_header(r); | |
| 618 | |
| 619 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
| 620 return rc; | |
| 621 } | |
| 622 | |
| 623 if (mp4) { | |
| 624 return ngx_http_output_filter(r, mp4->out); | |
| 625 } | |
| 626 | |
| 627 b->file_pos = 0; | |
| 628 b->file_last = of.size; | |
| 629 | |
| 630 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
|
631 b->last_buf = (r == r->main) ? 1 : 0; |
| 4085 | 632 b->last_in_chain = 1; |
| 633 | |
| 634 b->file->fd = of.fd; | |
| 635 b->file->name = path; | |
| 636 b->file->log = log; | |
| 637 b->file->directio = of.is_directio; | |
| 638 | |
| 639 out.buf = b; | |
| 640 out.next = NULL; | |
| 641 | |
| 642 return ngx_http_output_filter(r, &out); | |
| 643 } | |
| 644 | |
| 645 | |
| 646 static ngx_int_t | |
| 647 ngx_http_mp4_process(ngx_http_mp4_file_t *mp4) | |
| 648 { | |
| 649 off_t start_offset, adjustment; | |
| 650 ngx_int_t rc; | |
| 651 ngx_uint_t i, j; | |
| 652 ngx_chain_t **prev; | |
| 653 ngx_http_mp4_trak_t *trak; | |
| 654 ngx_http_mp4_conf_t *conf; | |
| 655 | |
| 656 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 657 "mp4 start:%ui", mp4->start); | |
| 658 | |
| 659 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
| 660 | |
| 661 mp4->buffer_size = conf->buffer_size; | |
| 662 | |
| 663 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_atoms, mp4->end); | |
| 664 if (rc != NGX_OK) { | |
| 665 return rc; | |
| 666 } | |
| 667 | |
| 668 if (mp4->trak.nelts == 0) { | |
| 669 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 670 "no mp4 trak atoms were found in \"%s\"", | |
| 671 mp4->file.name.data); | |
| 672 return NGX_ERROR; | |
| 673 } | |
| 674 | |
| 675 if (mp4->mdat_atom.buf == NULL) { | |
| 676 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 677 "no mp4 mdat atom was found in \"%s\"", | |
| 678 mp4->file.name.data); | |
| 679 return NGX_ERROR; | |
| 680 } | |
| 681 | |
| 682 prev = &mp4->out; | |
| 683 | |
| 684 if (mp4->ftyp_atom.buf) { | |
| 685 *prev = &mp4->ftyp_atom; | |
| 686 prev = &mp4->ftyp_atom.next; | |
| 687 } | |
| 688 | |
| 689 *prev = &mp4->moov_atom; | |
| 690 prev = &mp4->moov_atom.next; | |
| 691 | |
| 692 if (mp4->mvhd_atom.buf) { | |
| 693 mp4->moov_size += mp4->mvhd_atom_buf.last - mp4->mvhd_atom_buf.pos; | |
| 694 *prev = &mp4->mvhd_atom; | |
| 695 prev = &mp4->mvhd_atom.next; | |
| 696 } | |
| 697 | |
| 698 start_offset = mp4->end; | |
| 699 trak = mp4->trak.elts; | |
| 700 | |
| 701 for (i = 0; i < mp4->trak.nelts; i++) { | |
| 702 | |
| 703 if (ngx_http_mp4_update_stts_atom(mp4, &trak[i]) != NGX_OK) { | |
| 704 return NGX_ERROR; | |
| 705 } | |
| 706 | |
| 707 if (ngx_http_mp4_update_stss_atom(mp4, &trak[i]) != NGX_OK) { | |
| 708 return NGX_ERROR; | |
| 709 } | |
| 710 | |
| 711 ngx_http_mp4_update_ctts_atom(mp4, &trak[i]); | |
| 712 | |
| 713 if (ngx_http_mp4_update_stsc_atom(mp4, &trak[i]) != NGX_OK) { | |
| 714 return NGX_ERROR; | |
| 715 } | |
| 716 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
717 if (ngx_http_mp4_update_stsz_atom(mp4, &trak[i]) != NGX_OK) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
718 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
719 } |
| 4085 | 720 |
| 4112 | 721 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
| 722 if (ngx_http_mp4_update_co64_atom(mp4, &trak[i]) != NGX_OK) { | |
| 723 return NGX_ERROR; | |
| 724 } | |
| 725 | |
| 726 } else { | |
| 727 if (ngx_http_mp4_update_stco_atom(mp4, &trak[i]) != NGX_OK) { | |
| 728 return NGX_ERROR; | |
| 729 } | |
| 4085 | 730 } |
| 731 | |
| 732 ngx_http_mp4_update_stbl_atom(mp4, &trak[i]); | |
| 733 ngx_http_mp4_update_minf_atom(mp4, &trak[i]); | |
| 734 trak[i].size += trak[i].mdhd_size; | |
| 735 trak[i].size += trak[i].hdlr_size; | |
| 736 ngx_http_mp4_update_mdia_atom(mp4, &trak[i]); | |
| 737 trak[i].size += trak[i].tkhd_size; | |
| 738 ngx_http_mp4_update_trak_atom(mp4, &trak[i]); | |
| 739 | |
| 740 mp4->moov_size += trak[i].size; | |
| 741 | |
| 742 if (start_offset > trak[i].start_offset) { | |
| 743 start_offset = trak[i].start_offset; | |
| 744 } | |
| 745 | |
| 746 *prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM]; | |
| 747 prev = &trak[i].out[NGX_HTTP_MP4_TRAK_ATOM].next; | |
| 748 | |
| 749 for (j = 0; j < NGX_HTTP_MP4_LAST_ATOM + 1; j++) { | |
| 750 if (trak[i].out[j].buf) { | |
| 751 *prev = &trak[i].out[j]; | |
| 752 prev = &trak[i].out[j].next; | |
| 753 } | |
| 754 } | |
| 755 } | |
| 756 | |
| 757 mp4->moov_size += 8; | |
| 758 | |
| 759 ngx_mp4_set_32value(mp4->moov_atom_header, mp4->moov_size); | |
| 760 ngx_mp4_set_atom_name(mp4->moov_atom_header, 'm', 'o', 'o', 'v'); | |
| 761 mp4->content_length += mp4->moov_size; | |
| 762 | |
| 763 *prev = &mp4->mdat_atom; | |
| 764 | |
|
5097
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
765 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
|
766 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
|
767 "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
|
768 mp4->file.name.data); |
|
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
769 return NGX_ERROR; |
|
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
770 } |
|
37671d0042b7
Mp4: fixed handling of too small mdat atoms (ticket #266).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4820
diff
changeset
|
771 |
| 4085 | 772 adjustment = mp4->ftyp_size + mp4->moov_size |
| 773 + ngx_http_mp4_update_mdat_atom(mp4, start_offset) | |
| 774 - start_offset; | |
| 775 | |
|
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
776 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
| 4579 | 777 "mp4 adjustment:%O", adjustment); |
| 4085 | 778 |
| 779 for (i = 0; i < mp4->trak.nelts; i++) { | |
| 4112 | 780 if (trak[i].out[NGX_HTTP_MP4_CO64_DATA].buf) { |
| 781 ngx_http_mp4_adjust_co64_atom(mp4, &trak[i], adjustment); | |
| 782 } else { | |
| 783 ngx_http_mp4_adjust_stco_atom(mp4, &trak[i], (int32_t) adjustment); | |
| 784 } | |
| 4085 | 785 } |
| 786 | |
| 787 return NGX_OK; | |
| 788 } | |
| 789 | |
| 790 | |
| 791 typedef struct { | |
| 792 u_char size[4]; | |
| 793 u_char name[4]; | |
| 794 } ngx_mp4_atom_header_t; | |
| 795 | |
| 796 typedef struct { | |
| 797 u_char size[4]; | |
| 798 u_char name[4]; | |
| 799 u_char size64[8]; | |
| 800 } ngx_mp4_atom_header64_t; | |
| 801 | |
| 802 | |
| 803 static ngx_int_t | |
| 804 ngx_http_mp4_read_atom(ngx_http_mp4_file_t *mp4, | |
| 805 ngx_http_mp4_atom_handler_t *atom, uint64_t atom_data_size) | |
| 806 { | |
| 807 off_t end; | |
| 808 size_t atom_header_size; | |
| 809 u_char *atom_header, *atom_name; | |
| 810 uint64_t atom_size; | |
| 811 ngx_int_t rc; | |
| 812 ngx_uint_t n; | |
| 813 | |
| 814 end = mp4->offset + atom_data_size; | |
| 815 | |
| 816 while (mp4->offset < end) { | |
| 817 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
818 if (ngx_http_mp4_read(mp4, sizeof(uint32_t)) != NGX_OK) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
819 return NGX_ERROR; |
| 4085 | 820 } |
| 821 | |
| 822 atom_header = mp4->buffer_pos; | |
| 823 atom_size = ngx_mp4_get_32value(atom_header); | |
| 824 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
| 825 | |
| 826 if (atom_size == 0) { | |
| 827 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 828 "mp4 atom end"); | |
| 829 return NGX_OK; | |
| 830 } | |
| 831 | |
| 832 if (atom_size < sizeof(ngx_mp4_atom_header_t)) { | |
| 833 | |
| 834 if (atom_size == 1) { | |
| 835 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
836 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header64_t)) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
837 != NGX_OK) |
| 4085 | 838 { |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
839 return NGX_ERROR; |
| 4085 | 840 } |
| 841 | |
| 842 /* 64-bit atom size */ | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
843 atom_header = mp4->buffer_pos; |
| 4085 | 844 atom_size = ngx_mp4_get_64value(atom_header + 8); |
| 845 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
| 846 | |
| 847 } else { | |
| 848 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 849 "\"%s\" mp4 atom is too small:%uL", | |
| 850 mp4->file.name.data, atom_size); | |
| 851 return NGX_ERROR; | |
| 852 } | |
| 853 } | |
| 854 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
855 if (ngx_http_mp4_read(mp4, sizeof(ngx_mp4_atom_header_t)) != NGX_OK) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
856 return NGX_ERROR; |
| 4085 | 857 } |
| 858 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
859 atom_header = mp4->buffer_pos; |
| 4085 | 860 atom_name = atom_header + sizeof(uint32_t); |
| 861 | |
|
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
862 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
| 4085 | 863 "mp4 atom: %*s @%O:%uL", |
| 864 4, atom_name, mp4->offset, atom_size); | |
| 865 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
866 if (atom_size > (uint64_t) (NGX_MAX_OFF_T_VALUE - mp4->offset) |
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867 || mp4->offset + (off_t) atom_size > end) |
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868 { |
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869 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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870 "\"%s\" mp4 atom too large:%uL", |
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871 mp4->file.name.data, atom_size); |
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872 return NGX_ERROR; |
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873 } |
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874 |
| 4085 | 875 for (n = 0; atom[n].name; n++) { |
| 876 | |
| 877 if (ngx_strncmp(atom_name, atom[n].name, 4) == 0) { | |
| 878 | |
| 879 ngx_mp4_atom_next(mp4, atom_header_size); | |
| 880 | |
| 881 rc = atom[n].handler(mp4, atom_size - atom_header_size); | |
| 882 if (rc != NGX_OK) { | |
| 883 return rc; | |
| 884 } | |
| 885 | |
| 886 goto next; | |
| 887 } | |
| 888 } | |
| 889 | |
| 890 ngx_mp4_atom_next(mp4, atom_size); | |
| 891 | |
| 892 next: | |
| 893 continue; | |
| 894 } | |
| 895 | |
| 896 return NGX_OK; | |
| 897 } | |
| 898 | |
| 899 | |
| 900 static ngx_int_t | |
|
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901 ngx_http_mp4_read(ngx_http_mp4_file_t *mp4, size_t size) |
| 4085 | 902 { |
|
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903 ssize_t n; |
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904 |
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905 if (mp4->buffer_pos + size <= mp4->buffer_end) { |
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906 return NGX_OK; |
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907 } |
| 4085 | 908 |
| 909 if (mp4->offset + (off_t) mp4->buffer_size > mp4->end) { | |
| 910 mp4->buffer_size = (size_t) (mp4->end - mp4->offset); | |
| 911 } | |
| 912 | |
|
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913 if (mp4->buffer_size < size) { |
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914 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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915 "\"%s\" mp4 file truncated", mp4->file.name.data); |
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916 return NGX_ERROR; |
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917 } |
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918 |
| 4085 | 919 if (mp4->buffer == NULL) { |
| 920 mp4->buffer = ngx_palloc(mp4->request->pool, mp4->buffer_size); | |
| 921 if (mp4->buffer == NULL) { | |
| 922 return NGX_ERROR; | |
| 923 } | |
| 924 | |
| 925 mp4->buffer_start = mp4->buffer; | |
| 926 } | |
| 927 | |
| 928 n = ngx_read_file(&mp4->file, mp4->buffer_start, mp4->buffer_size, | |
| 929 mp4->offset); | |
| 930 | |
| 931 if (n == NGX_ERROR) { | |
| 932 return NGX_ERROR; | |
| 933 } | |
| 934 | |
|
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935 if ((size_t) n != mp4->buffer_size) { |
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936 ngx_log_error(NGX_LOG_CRIT, mp4->file.log, 0, |
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937 ngx_read_file_n " read only %z of %z from \"%s\"", |
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938 n, mp4->buffer_size, mp4->file.name.data); |
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939 return NGX_ERROR; |
| 4085 | 940 } |
| 941 | |
| 942 mp4->buffer_pos = mp4->buffer_start; | |
|
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943 mp4->buffer_end = mp4->buffer_start + mp4->buffer_size; |
| 4085 | 944 |
| 945 return NGX_OK; | |
| 946 } | |
| 947 | |
| 948 | |
| 949 static ngx_int_t | |
| 950 ngx_http_mp4_read_ftyp_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 951 { | |
| 952 u_char *ftyp_atom; | |
| 953 size_t atom_size; | |
| 954 ngx_buf_t *atom; | |
| 955 | |
| 956 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ftyp atom"); | |
| 957 | |
|
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958 if (atom_data_size > 1024 |
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959 || ngx_mp4_atom_data(mp4) + atom_data_size > mp4->buffer_end) |
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960 { |
| 4085 | 961 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
| 962 "\"%s\" mp4 ftyp atom is too large:%uL", | |
| 963 mp4->file.name.data, atom_data_size); | |
| 964 return NGX_ERROR; | |
| 965 } | |
| 966 | |
| 967 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 968 | |
| 969 ftyp_atom = ngx_palloc(mp4->request->pool, atom_size); | |
| 970 if (ftyp_atom == NULL) { | |
| 971 return NGX_ERROR; | |
| 972 } | |
| 973 | |
| 974 ngx_mp4_set_32value(ftyp_atom, atom_size); | |
| 975 ngx_mp4_set_atom_name(ftyp_atom, 'f', 't', 'y', 'p'); | |
| 976 | |
| 977 /* | |
| 978 * only moov atom content is guaranteed to be in mp4->buffer | |
| 979 * during sending response, so ftyp atom content should be copied | |
| 980 */ | |
| 981 ngx_memcpy(ftyp_atom + sizeof(ngx_mp4_atom_header_t), | |
| 982 ngx_mp4_atom_data(mp4), (size_t) atom_data_size); | |
| 983 | |
| 984 atom = &mp4->ftyp_atom_buf; | |
| 985 atom->temporary = 1; | |
| 986 atom->pos = ftyp_atom; | |
| 987 atom->last = ftyp_atom + atom_size; | |
| 988 | |
| 989 mp4->ftyp_atom.buf = atom; | |
| 990 mp4->ftyp_size = atom_size; | |
| 991 mp4->content_length = atom_size; | |
| 992 | |
| 993 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 994 | |
| 995 return NGX_OK; | |
| 996 } | |
| 997 | |
| 998 | |
| 999 /* | |
| 1000 * Small excess buffer to process atoms after moov atom, mp4->buffer_start | |
| 1001 * will be set to this buffer part after moov atom processing. | |
| 1002 */ | |
| 1003 #define NGX_HTTP_MP4_MOOV_BUFFER_EXCESS (4 * 1024) | |
| 1004 | |
| 1005 static ngx_int_t | |
| 1006 ngx_http_mp4_read_moov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1007 { | |
| 1008 ngx_int_t rc; | |
| 1009 ngx_uint_t no_mdat; | |
| 1010 ngx_buf_t *atom; | |
| 1011 ngx_http_mp4_conf_t *conf; | |
| 1012 | |
| 1013 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom"); | |
| 1014 | |
| 1015 no_mdat = (mp4->mdat_atom.buf == NULL); | |
| 1016 | |
| 1017 if (no_mdat && mp4->start == 0) { | |
| 1018 /* | |
| 1019 * send original file if moov atom resides before | |
| 1020 * mdat atom and client requests integral file | |
| 1021 */ | |
| 1022 return NGX_DECLINED; | |
| 1023 } | |
| 1024 | |
| 1025 conf = ngx_http_get_module_loc_conf(mp4->request, ngx_http_mp4_module); | |
| 1026 | |
| 1027 if (atom_data_size > mp4->buffer_size) { | |
| 1028 | |
|
4089
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diff
changeset
|
1029 if (atom_data_size > conf->max_buffer_size) { |
| 4085 | 1030 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
| 1031 "\"%s\" mp4 moov atom is too large:%uL, " | |
|
4089
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diff
changeset
|
1032 "you may want to increase mp4_max_buffer_size", |
| 4085 | 1033 mp4->file.name.data, atom_data_size); |
| 1034 return NGX_ERROR; | |
| 1035 } | |
| 1036 | |
| 1037 ngx_pfree(mp4->request->pool, mp4->buffer); | |
| 1038 mp4->buffer = NULL; | |
| 1039 mp4->buffer_pos = NULL; | |
| 1040 mp4->buffer_end = NULL; | |
| 1041 | |
| 1042 mp4->buffer_size = (size_t) atom_data_size | |
| 1043 + NGX_HTTP_MP4_MOOV_BUFFER_EXCESS * no_mdat; | |
| 1044 } | |
| 1045 | |
|
4705
9a43b145a8ba
Mp4: fixed build on win32 after r4689.
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diff
changeset
|
1046 if (ngx_http_mp4_read(mp4, (size_t) atom_data_size) != NGX_OK) { |
|
4688
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
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changeset
|
1047 return NGX_ERROR; |
|
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
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|
1048 } |
|
5fedb27c3e36
Mp4: fixed streaming if moov atom is at buffer edge.
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diff
changeset
|
1049 |
| 4085 | 1050 mp4->trak.elts = &mp4->traks; |
| 1051 mp4->trak.size = sizeof(ngx_http_mp4_trak_t); | |
| 1052 mp4->trak.nalloc = 2; | |
| 1053 mp4->trak.pool = mp4->request->pool; | |
| 1054 | |
| 1055 atom = &mp4->moov_atom_buf; | |
| 1056 atom->temporary = 1; | |
| 1057 atom->pos = mp4->moov_atom_header; | |
| 1058 atom->last = mp4->moov_atom_header + 8; | |
| 1059 | |
| 1060 mp4->moov_atom.buf = &mp4->moov_atom_buf; | |
| 1061 | |
| 1062 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_moov_atoms, atom_data_size); | |
| 1063 | |
| 1064 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 moov atom done"); | |
| 1065 | |
| 1066 if (no_mdat) { | |
| 1067 mp4->buffer_start = mp4->buffer_pos; | |
| 1068 mp4->buffer_size = NGX_HTTP_MP4_MOOV_BUFFER_EXCESS; | |
| 1069 | |
|
4688
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changeset
|
1070 if (mp4->buffer_start + mp4->buffer_size > mp4->buffer_end) { |
|
5fedb27c3e36
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parents:
4687
diff
changeset
|
1071 mp4->buffer = NULL; |
|
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diff
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|
1072 mp4->buffer_pos = NULL; |
|
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diff
changeset
|
1073 mp4->buffer_end = NULL; |
|
5fedb27c3e36
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diff
changeset
|
1074 } |
|
5fedb27c3e36
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diff
changeset
|
1075 |
| 4085 | 1076 } else { |
| 1077 /* skip atoms after moov atom */ | |
| 1078 mp4->offset = mp4->end; | |
| 1079 } | |
| 1080 | |
| 1081 return rc; | |
| 1082 } | |
| 1083 | |
| 1084 | |
| 1085 static ngx_int_t | |
| 1086 ngx_http_mp4_read_mdat_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1087 { | |
| 1088 ngx_buf_t *data; | |
| 1089 | |
| 1090 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdat atom"); | |
| 1091 | |
| 1092 data = &mp4->mdat_data_buf; | |
| 1093 data->file = &mp4->file; | |
| 1094 data->in_file = 1; | |
| 1095 data->last_buf = 1; | |
| 1096 data->last_in_chain = 1; | |
| 1097 data->file_last = mp4->offset + atom_data_size; | |
| 1098 | |
| 1099 mp4->mdat_atom.buf = &mp4->mdat_atom_buf; | |
| 1100 mp4->mdat_atom.next = &mp4->mdat_data; | |
| 1101 mp4->mdat_data.buf = data; | |
| 1102 | |
| 1103 if (mp4->trak.nelts) { | |
| 1104 /* skip atoms after mdat atom */ | |
| 1105 mp4->offset = mp4->end; | |
| 1106 | |
| 1107 } else { | |
| 1108 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1109 } | |
| 1110 | |
| 1111 return NGX_OK; | |
| 1112 } | |
| 1113 | |
| 1114 | |
| 1115 static size_t | |
| 1116 ngx_http_mp4_update_mdat_atom(ngx_http_mp4_file_t *mp4, off_t start_offset) | |
| 1117 { | |
| 1118 off_t atom_data_size; | |
| 1119 u_char *atom_header; | |
| 1120 uint32_t atom_header_size; | |
| 1121 uint64_t atom_size; | |
| 1122 ngx_buf_t *atom; | |
| 1123 | |
| 1124 atom_data_size = mp4->mdat_data.buf->file_last - start_offset; | |
| 1125 mp4->mdat_data.buf->file_pos = start_offset; | |
| 1126 | |
|
4088
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bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
1127 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
| 4085 | 1128 "mdat new offset @%O:%O", start_offset, atom_data_size); |
| 1129 | |
| 1130 atom_header = mp4->mdat_atom_header; | |
| 1131 | |
|
4155
d9636bf3f159
Fix of building on platforms with 32-bit off_t. (closed #23)
Igor Sysoev <igor@sysoev.ru>
parents:
4112
diff
changeset
|
1132 if ((uint64_t) atom_data_size > 0xffffffff) { |
| 4085 | 1133 atom_size = 1; |
| 1134 atom_header_size = sizeof(ngx_mp4_atom_header64_t); | |
| 1135 ngx_mp4_set_64value(atom_header + sizeof(ngx_mp4_atom_header_t), | |
| 1136 sizeof(ngx_mp4_atom_header64_t) + atom_data_size); | |
| 1137 } else { | |
| 1138 atom_size = sizeof(ngx_mp4_atom_header_t) + atom_data_size; | |
| 1139 atom_header_size = sizeof(ngx_mp4_atom_header_t); | |
| 1140 } | |
| 1141 | |
|
4282
71cdac0b9ea6
Fix of "Content-Length" header of MP4 response if start argument was used.
Igor Sysoev <igor@sysoev.ru>
parents:
4189
diff
changeset
|
1142 mp4->content_length += atom_header_size + atom_data_size; |
|
71cdac0b9ea6
Fix of "Content-Length" header of MP4 response if start argument was used.
Igor Sysoev <igor@sysoev.ru>
parents:
4189
diff
changeset
|
1143 |
| 4085 | 1144 ngx_mp4_set_32value(atom_header, atom_size); |
| 1145 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'a', 't'); | |
| 1146 | |
| 1147 atom = &mp4->mdat_atom_buf; | |
| 1148 atom->temporary = 1; | |
| 1149 atom->pos = atom_header; | |
| 1150 atom->last = atom_header + atom_header_size; | |
| 1151 | |
| 1152 return atom_header_size; | |
| 1153 } | |
| 1154 | |
| 1155 | |
| 1156 typedef struct { | |
| 1157 u_char size[4]; | |
| 1158 u_char name[4]; | |
| 1159 u_char version[1]; | |
| 1160 u_char flags[3]; | |
| 1161 u_char creation_time[4]; | |
| 1162 u_char modification_time[4]; | |
| 1163 u_char timescale[4]; | |
| 1164 u_char duration[4]; | |
| 1165 u_char rate[4]; | |
| 1166 u_char volume[2]; | |
| 1167 u_char reserved[10]; | |
| 1168 u_char matrix[36]; | |
| 1169 u_char preview_time[4]; | |
| 1170 u_char preview_duration[4]; | |
| 1171 u_char poster_time[4]; | |
| 1172 u_char selection_time[4]; | |
| 1173 u_char selection_duration[4]; | |
| 1174 u_char current_time[4]; | |
| 1175 u_char next_track_id[4]; | |
| 1176 } ngx_mp4_mvhd_atom_t; | |
| 1177 | |
| 1178 typedef struct { | |
| 1179 u_char size[4]; | |
| 1180 u_char name[4]; | |
| 1181 u_char version[1]; | |
| 1182 u_char flags[3]; | |
| 1183 u_char creation_time[8]; | |
| 1184 u_char modification_time[8]; | |
| 1185 u_char timescale[4]; | |
| 1186 u_char duration[8]; | |
| 1187 u_char rate[4]; | |
| 1188 u_char volume[2]; | |
| 1189 u_char reserved[10]; | |
| 1190 u_char matrix[36]; | |
| 1191 u_char preview_time[4]; | |
| 1192 u_char preview_duration[4]; | |
| 1193 u_char poster_time[4]; | |
| 1194 u_char selection_time[4]; | |
| 1195 u_char selection_duration[4]; | |
| 1196 u_char current_time[4]; | |
| 1197 u_char next_track_id[4]; | |
| 1198 } ngx_mp4_mvhd64_atom_t; | |
| 1199 | |
| 1200 | |
| 1201 static ngx_int_t | |
| 1202 ngx_http_mp4_read_mvhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1203 { | |
| 1204 u_char *atom_header; | |
| 1205 size_t atom_size; | |
| 1206 uint32_t timescale; | |
| 1207 uint64_t duration; | |
| 1208 ngx_buf_t *atom; | |
| 1209 ngx_mp4_mvhd_atom_t *mvhd_atom; | |
| 1210 ngx_mp4_mvhd64_atom_t *mvhd64_atom; | |
| 1211 | |
| 1212 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mvhd atom"); | |
| 1213 | |
| 1214 atom_header = ngx_mp4_atom_header(mp4); | |
| 1215 mvhd_atom = (ngx_mp4_mvhd_atom_t *) atom_header; | |
| 1216 mvhd64_atom = (ngx_mp4_mvhd64_atom_t *) atom_header; | |
| 1217 ngx_mp4_set_atom_name(atom_header, 'm', 'v', 'h', 'd'); | |
| 1218 | |
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1219 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd_atom_t) > atom_data_size) { |
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1220 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1221 "\"%s\" mp4 mvhd atom too small", mp4->file.name.data); |
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1222 return NGX_ERROR; |
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1223 } |
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1224 |
| 4085 | 1225 if (mvhd_atom->version[0] == 0) { |
| 1226 /* version 0: 32-bit duration */ | |
| 1227 timescale = ngx_mp4_get_32value(mvhd_atom->timescale); | |
| 1228 duration = ngx_mp4_get_32value(mvhd_atom->duration); | |
| 1229 | |
| 1230 } else { | |
| 1231 /* version 1: 64-bit duration */ | |
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1232 |
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1233 if (ngx_mp4_atom_data_size(ngx_mp4_mvhd64_atom_t) > atom_data_size) { |
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1234 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1235 "\"%s\" mp4 mvhd atom too small", |
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1236 mp4->file.name.data); |
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1237 return NGX_ERROR; |
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1238 } |
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1239 |
| 4085 | 1240 timescale = ngx_mp4_get_32value(mvhd64_atom->timescale); |
| 1241 duration = ngx_mp4_get_64value(mvhd64_atom->duration); | |
| 1242 } | |
| 1243 | |
| 1244 mp4->timescale = timescale; | |
| 1245 | |
| 1246 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 1247 "mvhd timescale:%uD, duration:%uL, time:%.3fs", | |
| 1248 timescale, duration, (double) duration / timescale); | |
| 1249 | |
| 1250 duration -= (uint64_t) mp4->start * timescale / 1000; | |
| 1251 | |
| 1252 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 1253 "mvhd new duration:%uL, time:%.3fs", | |
| 1254 duration, (double) duration / timescale); | |
| 1255 | |
| 1256 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1257 ngx_mp4_set_32value(mvhd_atom->size, atom_size); | |
| 1258 | |
| 1259 if (mvhd_atom->version[0] == 0) { | |
| 1260 ngx_mp4_set_32value(mvhd_atom->duration, duration); | |
| 1261 | |
| 1262 } else { | |
| 1263 ngx_mp4_set_64value(mvhd64_atom->duration, duration); | |
| 1264 } | |
| 1265 | |
| 1266 atom = &mp4->mvhd_atom_buf; | |
| 1267 atom->temporary = 1; | |
| 1268 atom->pos = atom_header; | |
| 1269 atom->last = atom_header + atom_size; | |
| 1270 | |
| 1271 mp4->mvhd_atom.buf = atom; | |
| 1272 | |
| 1273 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1274 | |
| 1275 return NGX_OK; | |
| 1276 } | |
| 1277 | |
| 1278 | |
| 1279 static ngx_int_t | |
| 1280 ngx_http_mp4_read_trak_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1281 { | |
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1282 u_char *atom_header, *atom_end; |
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1283 off_t atom_file_end; |
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1284 ngx_int_t rc; |
| 4085 | 1285 ngx_buf_t *atom; |
| 1286 ngx_http_mp4_trak_t *trak; | |
| 1287 | |
| 1288 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 trak atom"); | |
| 1289 | |
| 1290 trak = ngx_array_push(&mp4->trak); | |
| 1291 if (trak == NULL) { | |
| 1292 return NGX_ERROR; | |
| 1293 } | |
| 1294 | |
| 1295 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); | |
| 1296 | |
| 1297 atom_header = ngx_mp4_atom_header(mp4); | |
| 1298 ngx_mp4_set_atom_name(atom_header, 't', 'r', 'a', 'k'); | |
| 1299 | |
| 1300 atom = &trak->trak_atom_buf; | |
| 1301 atom->temporary = 1; | |
| 1302 atom->pos = atom_header; | |
| 1303 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
| 1304 | |
| 1305 trak->out[NGX_HTTP_MP4_TRAK_ATOM].buf = atom; | |
| 1306 | |
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1307 atom_end = mp4->buffer_pos + atom_data_size; |
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1308 atom_file_end = mp4->offset + atom_data_size; |
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1309 |
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1310 rc = ngx_http_mp4_read_atom(mp4, ngx_http_mp4_trak_atoms, atom_data_size); |
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1311 |
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1312 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1313 "mp4 trak atom: %i", rc); |
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1314 |
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1315 if (rc == NGX_DECLINED) { |
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1316 /* skip this trak */ |
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1317 ngx_memzero(trak, sizeof(ngx_http_mp4_trak_t)); |
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1318 mp4->trak.nelts--; |
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1319 mp4->buffer_pos = atom_end; |
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1320 mp4->offset = atom_file_end; |
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1321 return NGX_OK; |
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1322 } |
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1323 |
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1324 return rc; |
| 4085 | 1325 } |
| 1326 | |
| 1327 | |
| 1328 static void | |
| 1329 ngx_http_mp4_update_trak_atom(ngx_http_mp4_file_t *mp4, | |
| 1330 ngx_http_mp4_trak_t *trak) | |
| 1331 { | |
| 1332 ngx_buf_t *atom; | |
| 1333 | |
| 1334 trak->size += sizeof(ngx_mp4_atom_header_t); | |
| 1335 atom = &trak->trak_atom_buf; | |
| 1336 ngx_mp4_set_32value(atom->pos, trak->size); | |
| 1337 } | |
| 1338 | |
| 1339 | |
| 1340 static ngx_int_t | |
| 1341 ngx_http_mp4_read_cmov_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1342 { | |
| 1343 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 1344 "\"%s\" mp4 compressed moov atom (cmov) is not supported", | |
| 1345 mp4->file.name.data); | |
| 1346 | |
| 1347 return NGX_ERROR; | |
| 1348 } | |
| 1349 | |
| 1350 | |
| 1351 typedef struct { | |
| 1352 u_char size[4]; | |
| 1353 u_char name[4]; | |
| 1354 u_char version[1]; | |
| 1355 u_char flags[3]; | |
| 1356 u_char creation_time[4]; | |
| 1357 u_char modification_time[4]; | |
| 1358 u_char track_id[4]; | |
| 1359 u_char reserved1[4]; | |
| 1360 u_char duration[4]; | |
| 1361 u_char reserved2[8]; | |
| 1362 u_char layer[2]; | |
| 1363 u_char group[2]; | |
| 1364 u_char volume[2]; | |
| 1365 u_char reverved3[2]; | |
| 1366 u_char matrix[36]; | |
| 1367 u_char width[4]; | |
| 1368 u_char heigth[4]; | |
| 1369 } ngx_mp4_tkhd_atom_t; | |
| 1370 | |
| 1371 typedef struct { | |
| 1372 u_char size[4]; | |
| 1373 u_char name[4]; | |
| 1374 u_char version[1]; | |
| 1375 u_char flags[3]; | |
| 1376 u_char creation_time[8]; | |
| 1377 u_char modification_time[8]; | |
| 1378 u_char track_id[4]; | |
| 1379 u_char reserved1[4]; | |
| 1380 u_char duration[8]; | |
| 1381 u_char reserved2[8]; | |
| 1382 u_char layer[2]; | |
| 1383 u_char group[2]; | |
| 1384 u_char volume[2]; | |
| 1385 u_char reverved3[2]; | |
| 1386 u_char matrix[36]; | |
| 1387 u_char width[4]; | |
| 1388 u_char heigth[4]; | |
| 1389 } ngx_mp4_tkhd64_atom_t; | |
| 1390 | |
| 1391 | |
| 1392 static ngx_int_t | |
| 1393 ngx_http_mp4_read_tkhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1394 { | |
| 1395 u_char *atom_header; | |
| 1396 size_t atom_size; | |
| 1397 uint64_t duration; | |
| 1398 ngx_buf_t *atom; | |
| 1399 ngx_http_mp4_trak_t *trak; | |
| 1400 ngx_mp4_tkhd_atom_t *tkhd_atom; | |
| 1401 ngx_mp4_tkhd64_atom_t *tkhd64_atom; | |
| 1402 | |
| 1403 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 tkhd atom"); | |
| 1404 | |
| 1405 atom_header = ngx_mp4_atom_header(mp4); | |
| 1406 tkhd_atom = (ngx_mp4_tkhd_atom_t *) atom_header; | |
| 1407 tkhd64_atom = (ngx_mp4_tkhd64_atom_t *) atom_header; | |
| 1408 ngx_mp4_set_atom_name(tkhd_atom, 't', 'k', 'h', 'd'); | |
| 1409 | |
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1410 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd_atom_t) > atom_data_size) { |
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1411 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1412 "\"%s\" mp4 tkhd atom too small", mp4->file.name.data); |
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1413 return NGX_ERROR; |
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1414 } |
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1415 |
| 4085 | 1416 if (tkhd_atom->version[0] == 0) { |
| 1417 /* version 0: 32-bit duration */ | |
| 1418 duration = ngx_mp4_get_32value(tkhd_atom->duration); | |
| 1419 | |
| 1420 } else { | |
| 1421 /* version 1: 64-bit duration */ | |
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1422 |
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1423 if (ngx_mp4_atom_data_size(ngx_mp4_tkhd64_atom_t) > atom_data_size) { |
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1424 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1425 "\"%s\" mp4 tkhd atom too small", |
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1426 mp4->file.name.data); |
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1427 return NGX_ERROR; |
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1428 } |
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1429 |
| 4085 | 1430 duration = ngx_mp4_get_64value(tkhd64_atom->duration); |
| 1431 } | |
| 1432 | |
| 1433 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 1434 "tkhd duration:%uL, time:%.3fs", | |
| 1435 duration, (double) duration / mp4->timescale); | |
| 1436 | |
| 1437 duration -= (uint64_t) mp4->start * mp4->timescale / 1000; | |
| 1438 | |
| 1439 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 1440 "tkhd new duration:%uL, time:%.3fs", | |
| 1441 duration, (double) duration / mp4->timescale); | |
| 1442 | |
| 1443 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1444 | |
| 1445 trak = ngx_mp4_last_trak(mp4); | |
| 1446 trak->tkhd_size = atom_size; | |
| 1447 | |
| 1448 ngx_mp4_set_32value(tkhd_atom->size, atom_size); | |
| 1449 | |
| 1450 if (tkhd_atom->version[0] == 0) { | |
| 1451 ngx_mp4_set_32value(tkhd_atom->duration, duration); | |
| 1452 | |
| 1453 } else { | |
| 1454 ngx_mp4_set_64value(tkhd64_atom->duration, duration); | |
| 1455 } | |
| 1456 | |
| 1457 atom = &trak->tkhd_atom_buf; | |
| 1458 atom->temporary = 1; | |
| 1459 atom->pos = atom_header; | |
| 1460 atom->last = atom_header + atom_size; | |
| 1461 | |
| 1462 trak->out[NGX_HTTP_MP4_TKHD_ATOM].buf = atom; | |
| 1463 | |
| 1464 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1465 | |
| 1466 return NGX_OK; | |
| 1467 } | |
| 1468 | |
| 1469 | |
| 1470 static ngx_int_t | |
| 1471 ngx_http_mp4_read_mdia_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1472 { | |
| 1473 u_char *atom_header; | |
| 1474 ngx_buf_t *atom; | |
| 1475 ngx_http_mp4_trak_t *trak; | |
| 1476 | |
| 1477 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process mdia atom"); | |
| 1478 | |
| 1479 atom_header = ngx_mp4_atom_header(mp4); | |
| 1480 ngx_mp4_set_atom_name(atom_header, 'm', 'd', 'i', 'a'); | |
| 1481 | |
| 1482 trak = ngx_mp4_last_trak(mp4); | |
| 1483 | |
| 1484 atom = &trak->mdia_atom_buf; | |
| 1485 atom->temporary = 1; | |
| 1486 atom->pos = atom_header; | |
| 1487 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
| 1488 | |
| 1489 trak->out[NGX_HTTP_MP4_MDIA_ATOM].buf = atom; | |
| 1490 | |
| 1491 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_mdia_atoms, atom_data_size); | |
| 1492 } | |
| 1493 | |
| 1494 | |
| 1495 static void | |
| 1496 ngx_http_mp4_update_mdia_atom(ngx_http_mp4_file_t *mp4, | |
| 1497 ngx_http_mp4_trak_t *trak) | |
| 1498 { | |
| 1499 ngx_buf_t *atom; | |
| 1500 | |
| 1501 trak->size += sizeof(ngx_mp4_atom_header_t); | |
| 1502 atom = &trak->mdia_atom_buf; | |
| 1503 ngx_mp4_set_32value(atom->pos, trak->size); | |
| 1504 } | |
| 1505 | |
| 1506 | |
| 1507 typedef struct { | |
| 1508 u_char size[4]; | |
| 1509 u_char name[4]; | |
| 1510 u_char version[1]; | |
| 1511 u_char flags[3]; | |
| 1512 u_char creation_time[4]; | |
| 1513 u_char modification_time[4]; | |
| 1514 u_char timescale[4]; | |
| 1515 u_char duration[4]; | |
| 1516 u_char language[2]; | |
| 1517 u_char quality[2]; | |
| 1518 } ngx_mp4_mdhd_atom_t; | |
| 1519 | |
| 1520 typedef struct { | |
| 1521 u_char size[4]; | |
| 1522 u_char name[4]; | |
| 1523 u_char version[1]; | |
| 1524 u_char flags[3]; | |
| 1525 u_char creation_time[8]; | |
| 1526 u_char modification_time[8]; | |
| 1527 u_char timescale[4]; | |
| 1528 u_char duration[8]; | |
| 1529 u_char language[2]; | |
| 1530 u_char quality[2]; | |
| 1531 } ngx_mp4_mdhd64_atom_t; | |
| 1532 | |
| 1533 | |
| 1534 static ngx_int_t | |
| 1535 ngx_http_mp4_read_mdhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1536 { | |
| 1537 u_char *atom_header; | |
| 1538 size_t atom_size; | |
| 1539 uint32_t timescale; | |
| 1540 uint64_t duration; | |
| 1541 ngx_buf_t *atom; | |
| 1542 ngx_http_mp4_trak_t *trak; | |
| 1543 ngx_mp4_mdhd_atom_t *mdhd_atom; | |
| 1544 ngx_mp4_mdhd64_atom_t *mdhd64_atom; | |
| 1545 | |
| 1546 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 mdhd atom"); | |
| 1547 | |
| 1548 atom_header = ngx_mp4_atom_header(mp4); | |
| 1549 mdhd_atom = (ngx_mp4_mdhd_atom_t *) atom_header; | |
| 1550 mdhd64_atom = (ngx_mp4_mdhd64_atom_t *) atom_header; | |
| 1551 ngx_mp4_set_atom_name(mdhd_atom, 'm', 'd', 'h', 'd'); | |
| 1552 | |
|
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1553 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd_atom_t) > atom_data_size) { |
|
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1554 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1555 "\"%s\" mp4 mdhd atom too small", mp4->file.name.data); |
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1556 return NGX_ERROR; |
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1557 } |
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1558 |
| 4085 | 1559 if (mdhd_atom->version[0] == 0) { |
| 1560 /* version 0: everything is 32-bit */ | |
| 1561 timescale = ngx_mp4_get_32value(mdhd_atom->timescale); | |
| 1562 duration = ngx_mp4_get_32value(mdhd_atom->duration); | |
| 1563 | |
| 1564 } else { | |
| 1565 /* version 1: 64-bit duration and 32-bit timescale */ | |
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1566 |
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1567 if (ngx_mp4_atom_data_size(ngx_mp4_mdhd64_atom_t) > atom_data_size) { |
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1568 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1569 "\"%s\" mp4 mdhd atom too small", |
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1570 mp4->file.name.data); |
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1571 return NGX_ERROR; |
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1572 } |
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1573 |
| 4085 | 1574 timescale = ngx_mp4_get_32value(mdhd64_atom->timescale); |
| 1575 duration = ngx_mp4_get_64value(mdhd64_atom->duration); | |
| 1576 } | |
| 1577 | |
| 1578 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 1579 "mdhd timescale:%uD, duration:%uL, time:%.3fs", | |
| 1580 timescale, duration, (double) duration / timescale); | |
| 1581 | |
| 1582 duration -= (uint64_t) mp4->start * timescale / 1000; | |
| 1583 | |
| 1584 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 1585 "mdhd new duration:%uL, time:%.3fs", | |
| 1586 duration, (double) duration / timescale); | |
| 1587 | |
| 1588 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1589 | |
| 1590 trak = ngx_mp4_last_trak(mp4); | |
| 1591 trak->mdhd_size = atom_size; | |
| 1592 trak->timescale = timescale; | |
| 1593 | |
| 1594 ngx_mp4_set_32value(mdhd_atom->size, atom_size); | |
| 1595 | |
| 1596 if (mdhd_atom->version[0] == 0) { | |
| 1597 ngx_mp4_set_32value(mdhd_atom->duration, duration); | |
| 1598 | |
| 1599 } else { | |
| 1600 ngx_mp4_set_64value(mdhd64_atom->duration, duration); | |
| 1601 } | |
| 1602 | |
| 1603 atom = &trak->mdhd_atom_buf; | |
| 1604 atom->temporary = 1; | |
| 1605 atom->pos = atom_header; | |
| 1606 atom->last = atom_header + atom_size; | |
| 1607 | |
| 1608 trak->out[NGX_HTTP_MP4_MDHD_ATOM].buf = atom; | |
| 1609 | |
| 1610 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1611 | |
| 1612 return NGX_OK; | |
| 1613 } | |
| 1614 | |
| 1615 | |
| 1616 static ngx_int_t | |
| 1617 ngx_http_mp4_read_hdlr_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1618 { | |
| 1619 u_char *atom_header; | |
| 1620 size_t atom_size; | |
| 1621 ngx_buf_t *atom; | |
| 1622 ngx_http_mp4_trak_t *trak; | |
| 1623 | |
| 1624 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 hdlr atom"); | |
| 1625 | |
| 1626 atom_header = ngx_mp4_atom_header(mp4); | |
| 1627 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1628 ngx_mp4_set_32value(atom_header, atom_size); | |
| 1629 ngx_mp4_set_atom_name(atom_header, 'h', 'd', 'l', 'r'); | |
| 1630 | |
| 1631 trak = ngx_mp4_last_trak(mp4); | |
| 1632 | |
| 1633 atom = &trak->hdlr_atom_buf; | |
| 1634 atom->temporary = 1; | |
| 1635 atom->pos = atom_header; | |
| 1636 atom->last = atom_header + atom_size; | |
| 1637 | |
| 1638 trak->hdlr_size = atom_size; | |
| 1639 trak->out[NGX_HTTP_MP4_HDLR_ATOM].buf = atom; | |
| 1640 | |
| 1641 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1642 | |
| 1643 return NGX_OK; | |
| 1644 } | |
| 1645 | |
| 1646 | |
| 1647 static ngx_int_t | |
| 1648 ngx_http_mp4_read_minf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1649 { | |
| 1650 u_char *atom_header; | |
| 1651 ngx_buf_t *atom; | |
| 1652 ngx_http_mp4_trak_t *trak; | |
| 1653 | |
| 1654 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process minf atom"); | |
| 1655 | |
| 1656 atom_header = ngx_mp4_atom_header(mp4); | |
| 1657 ngx_mp4_set_atom_name(atom_header, 'm', 'i', 'n', 'f'); | |
| 1658 | |
| 1659 trak = ngx_mp4_last_trak(mp4); | |
| 1660 | |
| 1661 atom = &trak->minf_atom_buf; | |
| 1662 atom->temporary = 1; | |
| 1663 atom->pos = atom_header; | |
| 1664 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
| 1665 | |
| 1666 trak->out[NGX_HTTP_MP4_MINF_ATOM].buf = atom; | |
| 1667 | |
| 1668 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_minf_atoms, atom_data_size); | |
| 1669 } | |
| 1670 | |
| 1671 | |
| 1672 static void | |
| 1673 ngx_http_mp4_update_minf_atom(ngx_http_mp4_file_t *mp4, | |
| 1674 ngx_http_mp4_trak_t *trak) | |
| 1675 { | |
| 1676 ngx_buf_t *atom; | |
| 1677 | |
| 1678 trak->size += sizeof(ngx_mp4_atom_header_t) | |
| 1679 + trak->vmhd_size | |
| 1680 + trak->smhd_size | |
| 1681 + trak->dinf_size; | |
| 1682 atom = &trak->minf_atom_buf; | |
| 1683 ngx_mp4_set_32value(atom->pos, trak->size); | |
| 1684 } | |
| 1685 | |
| 1686 | |
| 1687 static ngx_int_t | |
| 1688 ngx_http_mp4_read_vmhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1689 { | |
| 1690 u_char *atom_header; | |
| 1691 size_t atom_size; | |
| 1692 ngx_buf_t *atom; | |
| 1693 ngx_http_mp4_trak_t *trak; | |
| 1694 | |
| 1695 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 vmhd atom"); | |
| 1696 | |
| 1697 atom_header = ngx_mp4_atom_header(mp4); | |
| 1698 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1699 ngx_mp4_set_32value(atom_header, atom_size); | |
| 1700 ngx_mp4_set_atom_name(atom_header, 'v', 'm', 'h', 'd'); | |
| 1701 | |
| 1702 trak = ngx_mp4_last_trak(mp4); | |
| 1703 | |
| 1704 atom = &trak->vmhd_atom_buf; | |
| 1705 atom->temporary = 1; | |
| 1706 atom->pos = atom_header; | |
| 1707 atom->last = atom_header + atom_size; | |
| 1708 | |
| 1709 trak->vmhd_size += atom_size; | |
| 1710 trak->out[NGX_HTTP_MP4_VMHD_ATOM].buf = atom; | |
| 1711 | |
| 1712 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1713 | |
| 1714 return NGX_OK; | |
| 1715 } | |
| 1716 | |
| 1717 | |
| 1718 static ngx_int_t | |
| 1719 ngx_http_mp4_read_smhd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1720 { | |
| 1721 u_char *atom_header; | |
| 1722 size_t atom_size; | |
| 1723 ngx_buf_t *atom; | |
| 1724 ngx_http_mp4_trak_t *trak; | |
| 1725 | |
| 1726 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 smhd atom"); | |
| 1727 | |
| 1728 atom_header = ngx_mp4_atom_header(mp4); | |
| 1729 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1730 ngx_mp4_set_32value(atom_header, atom_size); | |
| 1731 ngx_mp4_set_atom_name(atom_header, 's', 'm', 'h', 'd'); | |
| 1732 | |
| 1733 trak = ngx_mp4_last_trak(mp4); | |
| 1734 | |
| 1735 atom = &trak->smhd_atom_buf; | |
| 1736 atom->temporary = 1; | |
| 1737 atom->pos = atom_header; | |
| 1738 atom->last = atom_header + atom_size; | |
| 1739 | |
| 1740 trak->vmhd_size += atom_size; | |
| 1741 trak->out[NGX_HTTP_MP4_SMHD_ATOM].buf = atom; | |
| 1742 | |
| 1743 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1744 | |
| 1745 return NGX_OK; | |
| 1746 } | |
| 1747 | |
| 1748 | |
| 1749 static ngx_int_t | |
| 1750 ngx_http_mp4_read_dinf_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1751 { | |
| 1752 u_char *atom_header; | |
| 1753 size_t atom_size; | |
| 1754 ngx_buf_t *atom; | |
| 1755 ngx_http_mp4_trak_t *trak; | |
| 1756 | |
| 1757 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 dinf atom"); | |
| 1758 | |
| 1759 atom_header = ngx_mp4_atom_header(mp4); | |
| 1760 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1761 ngx_mp4_set_32value(atom_header, atom_size); | |
| 1762 ngx_mp4_set_atom_name(atom_header, 'd', 'i', 'n', 'f'); | |
| 1763 | |
| 1764 trak = ngx_mp4_last_trak(mp4); | |
| 1765 | |
| 1766 atom = &trak->dinf_atom_buf; | |
| 1767 atom->temporary = 1; | |
| 1768 atom->pos = atom_header; | |
| 1769 atom->last = atom_header + atom_size; | |
| 1770 | |
| 1771 trak->dinf_size += atom_size; | |
| 1772 trak->out[NGX_HTTP_MP4_DINF_ATOM].buf = atom; | |
| 1773 | |
| 1774 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1775 | |
| 1776 return NGX_OK; | |
| 1777 } | |
| 1778 | |
| 1779 | |
| 1780 static ngx_int_t | |
| 1781 ngx_http_mp4_read_stbl_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1782 { | |
| 1783 u_char *atom_header; | |
| 1784 ngx_buf_t *atom; | |
| 1785 ngx_http_mp4_trak_t *trak; | |
| 1786 | |
| 1787 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "process stbl atom"); | |
| 1788 | |
| 1789 atom_header = ngx_mp4_atom_header(mp4); | |
| 1790 ngx_mp4_set_atom_name(atom_header, 's', 't', 'b', 'l'); | |
| 1791 | |
| 1792 trak = ngx_mp4_last_trak(mp4); | |
| 1793 | |
| 1794 atom = &trak->stbl_atom_buf; | |
| 1795 atom->temporary = 1; | |
| 1796 atom->pos = atom_header; | |
| 1797 atom->last = atom_header + sizeof(ngx_mp4_atom_header_t); | |
| 1798 | |
| 1799 trak->out[NGX_HTTP_MP4_STBL_ATOM].buf = atom; | |
| 1800 | |
| 1801 return ngx_http_mp4_read_atom(mp4, ngx_http_mp4_stbl_atoms, atom_data_size); | |
| 1802 } | |
| 1803 | |
| 1804 | |
| 1805 static void | |
| 1806 ngx_http_mp4_update_stbl_atom(ngx_http_mp4_file_t *mp4, | |
| 1807 ngx_http_mp4_trak_t *trak) | |
| 1808 { | |
| 1809 ngx_buf_t *atom; | |
| 1810 | |
| 1811 trak->size += sizeof(ngx_mp4_atom_header_t); | |
| 1812 atom = &trak->stbl_atom_buf; | |
| 1813 ngx_mp4_set_32value(atom->pos, trak->size); | |
| 1814 } | |
| 1815 | |
| 1816 | |
| 1817 typedef struct { | |
| 1818 u_char size[4]; | |
| 1819 u_char name[4]; | |
| 1820 u_char version[1]; | |
| 1821 u_char flags[3]; | |
| 1822 u_char entries[4]; | |
|
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1823 |
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1824 u_char media_size[4]; |
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1825 u_char media_name[4]; |
| 4085 | 1826 } ngx_mp4_stsd_atom_t; |
| 1827 | |
| 1828 | |
| 1829 static ngx_int_t | |
| 1830 ngx_http_mp4_read_stsd_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1831 { | |
| 1832 u_char *atom_header, *atom_table; | |
| 1833 size_t atom_size; | |
| 1834 ngx_buf_t *atom; | |
| 1835 ngx_mp4_stsd_atom_t *stsd_atom; | |
| 1836 ngx_http_mp4_trak_t *trak; | |
| 1837 | |
| 1838 /* sample description atom */ | |
| 1839 | |
| 1840 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsd atom"); | |
| 1841 | |
| 1842 atom_header = ngx_mp4_atom_header(mp4); | |
| 1843 stsd_atom = (ngx_mp4_stsd_atom_t *) atom_header; | |
| 1844 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; | |
| 1845 atom_table = atom_header + atom_size; | |
| 1846 ngx_mp4_set_32value(stsd_atom->size, atom_size); | |
| 1847 ngx_mp4_set_atom_name(stsd_atom, 's', 't', 's', 'd'); | |
| 1848 | |
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1849 if (ngx_mp4_atom_data_size(ngx_mp4_stsd_atom_t) > atom_data_size) { |
|
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1850 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1851 "\"%s\" mp4 stsd atom too small", mp4->file.name.data); |
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1852 return NGX_ERROR; |
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1853 } |
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1854 |
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1855 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
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1856 "stsd entries:%uD, media:%*s", |
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1857 ngx_mp4_get_32value(stsd_atom->entries), |
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1858 4, stsd_atom->media_name); |
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1859 |
| 4085 | 1860 trak = ngx_mp4_last_trak(mp4); |
| 1861 | |
| 1862 atom = &trak->stsd_atom_buf; | |
| 1863 atom->temporary = 1; | |
| 1864 atom->pos = atom_header; | |
| 1865 atom->last = atom_table; | |
| 1866 | |
| 1867 trak->out[NGX_HTTP_MP4_STSD_ATOM].buf = atom; | |
| 1868 trak->size += atom_size; | |
| 1869 | |
| 1870 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1871 | |
| 1872 return NGX_OK; | |
| 1873 } | |
| 1874 | |
| 1875 | |
| 1876 typedef struct { | |
| 1877 u_char size[4]; | |
| 1878 u_char name[4]; | |
| 1879 u_char version[1]; | |
| 1880 u_char flags[3]; | |
| 1881 u_char entries[4]; | |
| 1882 } ngx_mp4_stts_atom_t; | |
| 1883 | |
| 1884 typedef struct { | |
| 1885 u_char count[4]; | |
| 1886 u_char duration[4]; | |
| 1887 } ngx_mp4_stts_entry_t; | |
| 1888 | |
| 1889 | |
| 1890 static ngx_int_t | |
| 1891 ngx_http_mp4_read_stts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 1892 { | |
| 1893 u_char *atom_header, *atom_table, *atom_end; | |
| 1894 uint32_t entries; | |
| 1895 ngx_buf_t *atom, *data; | |
| 1896 ngx_mp4_stts_atom_t *stts_atom; | |
| 1897 ngx_http_mp4_trak_t *trak; | |
| 1898 | |
| 1899 /* time-to-sample atom */ | |
| 1900 | |
| 1901 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stts atom"); | |
| 1902 | |
| 1903 atom_header = ngx_mp4_atom_header(mp4); | |
| 1904 stts_atom = (ngx_mp4_stts_atom_t *) atom_header; | |
| 1905 ngx_mp4_set_atom_name(stts_atom, 's', 't', 't', 's'); | |
| 1906 | |
|
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1907 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) > atom_data_size) { |
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1908 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1909 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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1910 return NGX_ERROR; |
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1911 } |
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1912 |
| 4085 | 1913 entries = ngx_mp4_get_32value(stts_atom->entries); |
| 1914 | |
| 1915 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 4096 | 1916 "mp4 time-to-sample entries:%uD", entries); |
| 4085 | 1917 |
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1918 if (ngx_mp4_atom_data_size(ngx_mp4_stts_atom_t) |
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1919 + entries * sizeof(ngx_mp4_stts_entry_t) > atom_data_size) |
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1920 { |
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1921 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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1922 "\"%s\" mp4 stts atom too small", mp4->file.name.data); |
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1923 return NGX_ERROR; |
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1924 } |
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1925 |
| 4085 | 1926 atom_table = atom_header + sizeof(ngx_mp4_stts_atom_t); |
| 1927 atom_end = atom_table + entries * sizeof(ngx_mp4_stts_entry_t); | |
| 1928 | |
| 1929 trak = ngx_mp4_last_trak(mp4); | |
| 1930 trak->time_to_sample_entries = entries; | |
| 1931 | |
| 1932 atom = &trak->stts_atom_buf; | |
| 1933 atom->temporary = 1; | |
| 1934 atom->pos = atom_header; | |
| 1935 atom->last = atom_table; | |
| 1936 | |
| 1937 data = &trak->stts_data_buf; | |
| 1938 data->temporary = 1; | |
| 1939 data->pos = atom_table; | |
| 1940 data->last = atom_end; | |
| 1941 | |
| 1942 trak->out[NGX_HTTP_MP4_STTS_ATOM].buf = atom; | |
| 1943 trak->out[NGX_HTTP_MP4_STTS_DATA].buf = data; | |
| 1944 | |
| 1945 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 1946 | |
| 1947 return NGX_OK; | |
| 1948 } | |
| 1949 | |
| 1950 | |
| 1951 static ngx_int_t | |
| 1952 ngx_http_mp4_update_stts_atom(ngx_http_mp4_file_t *mp4, | |
| 1953 ngx_http_mp4_trak_t *trak) | |
| 1954 { | |
| 1955 size_t atom_size; | |
| 1956 uint32_t entries, count, duration; | |
| 1957 uint64_t start_time; | |
| 1958 ngx_buf_t *atom, *data; | |
| 1959 ngx_uint_t start_sample; | |
| 1960 ngx_mp4_stts_atom_t *stts_atom; | |
| 1961 ngx_mp4_stts_entry_t *entry, *end; | |
| 1962 | |
| 1963 /* | |
| 1964 * mdia.minf.stbl.stts updating requires trak->timescale | |
| 1965 * from mdia.mdhd atom which may reside after mdia.minf | |
| 1966 */ | |
| 1967 | |
| 1968 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 1969 "mp4 stts atom update"); | |
| 1970 | |
| 1971 data = trak->out[NGX_HTTP_MP4_STTS_DATA].buf; | |
| 1972 | |
| 1973 if (data == NULL) { | |
| 1974 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 1975 "no mp4 stts atoms were found in \"%s\"", | |
| 1976 mp4->file.name.data); | |
| 1977 return NGX_ERROR; | |
| 1978 } | |
| 1979 | |
| 1980 entries = trak->time_to_sample_entries; | |
|
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1981 start_time = (uint64_t) mp4->start * trak->timescale / 1000; |
| 4085 | 1982 |
| 1983 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 4096 | 1984 "time-to-sample start_time:%uL", start_time); |
| 4085 | 1985 |
| 1986 start_sample = 0; | |
| 1987 entry = (ngx_mp4_stts_entry_t *) data->pos; | |
| 1988 end = (ngx_mp4_stts_entry_t *) data->last; | |
| 1989 | |
| 1990 while (entry < end) { | |
| 1991 count = ngx_mp4_get_32value(entry->count); | |
| 1992 duration = ngx_mp4_get_32value(entry->duration); | |
| 1993 | |
| 1994 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 1995 "count:%uD, duration:%uD", count, duration); | |
| 1996 | |
| 4306 | 1997 if (start_time < (uint64_t) count * duration) { |
| 4085 | 1998 start_sample += (ngx_uint_t) (start_time / duration); |
| 4578 | 1999 count -= (uint32_t) (start_time / duration); |
| 4085 | 2000 ngx_mp4_set_32value(entry->count, count); |
| 2001 goto found; | |
| 2002 } | |
| 2003 | |
| 2004 start_sample += count; | |
| 2005 start_time -= count * duration; | |
| 2006 entries--; | |
| 2007 entry++; | |
| 2008 } | |
| 2009 | |
| 2010 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 4094 | 2011 "start time is out mp4 stts samples in \"%s\"", |
| 4085 | 2012 mp4->file.name.data); |
| 2013 | |
| 2014 return NGX_ERROR; | |
| 2015 | |
| 2016 found: | |
| 2017 | |
| 2018 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2019 "start_sample:%ui, new count:%uD", start_sample, count); | |
| 2020 | |
| 2021 trak->start_sample = start_sample; | |
| 2022 | |
| 2023 data->pos = (u_char *) entry; | |
| 2024 atom_size = sizeof(ngx_mp4_stts_atom_t) + (data->last - data->pos); | |
| 2025 trak->size += atom_size; | |
| 2026 | |
| 2027 atom = trak->out[NGX_HTTP_MP4_STTS_ATOM].buf; | |
| 2028 stts_atom = (ngx_mp4_stts_atom_t *) atom->pos; | |
| 2029 ngx_mp4_set_32value(stts_atom->size, atom_size); | |
| 2030 ngx_mp4_set_32value(stts_atom->entries, entries); | |
| 2031 | |
| 2032 return NGX_OK; | |
| 2033 } | |
| 2034 | |
| 2035 | |
| 2036 typedef struct { | |
| 2037 u_char size[4]; | |
| 2038 u_char name[4]; | |
| 2039 u_char version[1]; | |
| 2040 u_char flags[3]; | |
| 2041 u_char entries[4]; | |
| 2042 } ngx_http_mp4_stss_atom_t; | |
| 2043 | |
| 2044 | |
| 2045 static ngx_int_t | |
| 2046 ngx_http_mp4_read_stss_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 2047 { | |
| 2048 u_char *atom_header, *atom_table, *atom_end; | |
| 2049 uint32_t entries; | |
| 2050 ngx_buf_t *atom, *data; | |
| 2051 ngx_http_mp4_trak_t *trak; | |
| 2052 ngx_http_mp4_stss_atom_t *stss_atom; | |
| 2053 | |
| 2054 /* sync samples atom */ | |
| 2055 | |
| 2056 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stss atom"); | |
| 2057 | |
| 2058 atom_header = ngx_mp4_atom_header(mp4); | |
| 2059 stss_atom = (ngx_http_mp4_stss_atom_t *) atom_header; | |
| 2060 ngx_mp4_set_atom_name(stss_atom, 's', 't', 's', 's'); | |
| 2061 | |
|
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2062 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) > atom_data_size) { |
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2063 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2064 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
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2065 return NGX_ERROR; |
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2066 } |
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2067 |
| 4085 | 2068 entries = ngx_mp4_get_32value(stss_atom->entries); |
| 2069 | |
| 2070 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 4096 | 2071 "sync sample entries:%uD", entries); |
| 4085 | 2072 |
| 2073 trak = ngx_mp4_last_trak(mp4); | |
| 2074 trak->sync_samples_entries = entries; | |
| 2075 | |
| 2076 atom_table = atom_header + sizeof(ngx_http_mp4_stss_atom_t); | |
| 2077 | |
| 2078 atom = &trak->stss_atom_buf; | |
| 2079 atom->temporary = 1; | |
| 2080 atom->pos = atom_header; | |
| 2081 atom->last = atom_table; | |
| 2082 | |
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2083 if (ngx_mp4_atom_data_size(ngx_http_mp4_stss_atom_t) |
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2084 + entries * sizeof(uint32_t) > atom_data_size) |
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|
2085 { |
| 4085 | 2086 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
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|
2087 "\"%s\" mp4 stss atom too small", mp4->file.name.data); |
| 4085 | 2088 return NGX_ERROR; |
| 2089 } | |
| 2090 | |
|
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2091 atom_end = atom_table + entries * sizeof(uint32_t); |
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2092 |
| 4085 | 2093 data = &trak->stss_data_buf; |
| 2094 data->temporary = 1; | |
| 2095 data->pos = atom_table; | |
| 2096 data->last = atom_end; | |
| 2097 | |
| 2098 trak->out[NGX_HTTP_MP4_STSS_ATOM].buf = atom; | |
| 2099 trak->out[NGX_HTTP_MP4_STSS_DATA].buf = data; | |
| 2100 | |
| 2101 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 2102 | |
| 2103 return NGX_OK; | |
| 2104 } | |
| 2105 | |
| 2106 | |
| 2107 static ngx_int_t | |
| 2108 ngx_http_mp4_update_stss_atom(ngx_http_mp4_file_t *mp4, | |
| 2109 ngx_http_mp4_trak_t *trak) | |
| 2110 { | |
| 2111 size_t atom_size; | |
| 2112 uint32_t entries, sample, start_sample, *entry, *end; | |
| 2113 ngx_buf_t *atom, *data; | |
| 2114 ngx_http_mp4_stss_atom_t *stss_atom; | |
| 2115 | |
| 2116 /* | |
| 2117 * mdia.minf.stbl.stss updating requires trak->start_sample | |
| 2118 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
| 2119 * atom which may reside after mdia.minf | |
| 2120 */ | |
| 2121 | |
| 2122 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2123 "mp4 stss atom update"); | |
| 2124 | |
| 2125 data = trak->out[NGX_HTTP_MP4_STSS_DATA].buf; | |
| 2126 | |
| 2127 if (data == NULL) { | |
| 2128 return NGX_OK; | |
| 2129 } | |
| 2130 | |
| 2131 /* sync samples starts from 1 */ | |
| 2132 start_sample = trak->start_sample + 1; | |
| 2133 entries = trak->sync_samples_entries; | |
| 2134 | |
| 2135 entry = (uint32_t *) data->pos; | |
| 2136 end = (uint32_t *) data->last; | |
| 2137 | |
| 2138 while (entry < end) { | |
| 2139 sample = ngx_mp4_get_32value(entry); | |
| 2140 | |
| 2141 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2142 "start:%uD, sync:%uD", start_sample, sample); | |
| 2143 | |
| 2144 if (sample >= start_sample) { | |
| 2145 goto found; | |
| 2146 } | |
| 2147 | |
| 2148 entries--; | |
| 2149 entry++; | |
| 2150 } | |
| 2151 | |
| 2152 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 2153 "start sample is out of mp4 stss atom in \"%s\"", | |
| 2154 mp4->file.name.data); | |
| 2155 | |
| 2156 return NGX_ERROR; | |
| 2157 | |
| 2158 found: | |
| 2159 | |
| 2160 data->pos = (u_char *) entry; | |
| 2161 | |
| 2162 start_sample = trak->start_sample; | |
| 2163 | |
| 2164 while (entry < end) { | |
| 2165 sample = ngx_mp4_get_32value(entry); | |
| 2166 sample -= start_sample; | |
| 2167 ngx_mp4_set_32value(entry, sample); | |
| 2168 entry++; | |
| 2169 } | |
| 2170 | |
| 2171 atom_size = sizeof(ngx_http_mp4_stss_atom_t) + (data->last - data->pos); | |
| 2172 trak->size += atom_size; | |
| 2173 | |
| 2174 atom = trak->out[NGX_HTTP_MP4_STSS_ATOM].buf; | |
| 2175 stss_atom = (ngx_http_mp4_stss_atom_t *) atom->pos; | |
| 2176 | |
| 2177 ngx_mp4_set_32value(stss_atom->size, atom_size); | |
| 2178 ngx_mp4_set_32value(stss_atom->entries, entries); | |
| 2179 | |
| 2180 return NGX_OK; | |
| 2181 } | |
| 2182 | |
| 2183 | |
| 2184 typedef struct { | |
| 2185 u_char size[4]; | |
| 2186 u_char name[4]; | |
| 2187 u_char version[1]; | |
| 2188 u_char flags[3]; | |
| 2189 u_char entries[4]; | |
| 2190 } ngx_mp4_ctts_atom_t; | |
| 2191 | |
| 2192 typedef struct { | |
| 2193 u_char count[4]; | |
| 2194 u_char offset[4]; | |
| 2195 } ngx_mp4_ctts_entry_t; | |
| 2196 | |
| 2197 | |
| 2198 static ngx_int_t | |
| 2199 ngx_http_mp4_read_ctts_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 2200 { | |
| 2201 u_char *atom_header, *atom_table, *atom_end; | |
| 2202 uint32_t entries; | |
| 2203 ngx_buf_t *atom, *data; | |
| 2204 ngx_mp4_ctts_atom_t *ctts_atom; | |
| 2205 ngx_http_mp4_trak_t *trak; | |
| 2206 | |
| 2207 /* composition offsets atom */ | |
| 2208 | |
| 2209 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 ctts atom"); | |
| 2210 | |
| 2211 atom_header = ngx_mp4_atom_header(mp4); | |
| 2212 ctts_atom = (ngx_mp4_ctts_atom_t *) atom_header; | |
| 2213 ngx_mp4_set_atom_name(ctts_atom, 'c', 't', 't', 's'); | |
| 2214 | |
|
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2215 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) > atom_data_size) { |
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2216 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
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2217 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
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2218 return NGX_ERROR; |
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2219 } |
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2220 |
| 4085 | 2221 entries = ngx_mp4_get_32value(ctts_atom->entries); |
| 2222 | |
| 2223 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 4096 | 2224 "composition offset entries:%uD", entries); |
| 4085 | 2225 |
| 2226 trak = ngx_mp4_last_trak(mp4); | |
| 2227 trak->composition_offset_entries = entries; | |
| 2228 | |
| 2229 atom_table = atom_header + sizeof(ngx_mp4_ctts_atom_t); | |
| 2230 | |
| 2231 atom = &trak->ctts_atom_buf; | |
| 2232 atom->temporary = 1; | |
| 2233 atom->pos = atom_header; | |
| 2234 atom->last = atom_table; | |
| 2235 | |
|
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2236 if (ngx_mp4_atom_data_size(ngx_mp4_ctts_atom_t) |
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2237 + entries * sizeof(ngx_mp4_ctts_entry_t) > atom_data_size) |
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2238 { |
| 4085 | 2239 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
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|
2240 "\"%s\" mp4 ctts atom too small", mp4->file.name.data); |
| 4085 | 2241 return NGX_ERROR; |
| 2242 } | |
| 2243 | |
|
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changeset
|
2244 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
|
2245 |
| 4085 | 2246 data = &trak->ctts_data_buf; |
| 2247 data->temporary = 1; | |
| 2248 data->pos = atom_table; | |
| 2249 data->last = atom_end; | |
| 2250 | |
| 2251 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = atom; | |
| 2252 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = data; | |
| 2253 | |
| 2254 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 2255 | |
| 2256 return NGX_OK; | |
| 2257 } | |
| 2258 | |
| 2259 | |
| 2260 static void | |
| 2261 ngx_http_mp4_update_ctts_atom(ngx_http_mp4_file_t *mp4, | |
| 2262 ngx_http_mp4_trak_t *trak) | |
| 2263 { | |
| 2264 size_t atom_size; | |
| 2265 uint32_t entries, count, start_sample; | |
| 2266 ngx_buf_t *atom, *data; | |
| 2267 ngx_mp4_ctts_atom_t *ctts_atom; | |
| 2268 ngx_mp4_ctts_entry_t *entry, *end; | |
| 2269 | |
| 2270 /* | |
| 2271 * mdia.minf.stbl.ctts updating requires trak->start_sample | |
| 2272 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
| 2273 * atom which may reside after mdia.minf | |
| 2274 */ | |
| 2275 | |
| 2276 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2277 "mp4 ctts atom update"); | |
| 2278 | |
| 2279 data = trak->out[NGX_HTTP_MP4_CTTS_DATA].buf; | |
| 2280 | |
| 2281 if (data == NULL) { | |
| 2282 return; | |
| 2283 } | |
| 2284 | |
| 2285 /* sync samples starts from 1 */ | |
| 2286 start_sample = trak->start_sample + 1; | |
| 2287 entries = trak->composition_offset_entries; | |
| 2288 entry = (ngx_mp4_ctts_entry_t *) data->pos; | |
| 2289 end = (ngx_mp4_ctts_entry_t *) data->last; | |
| 2290 | |
| 2291 while (entry < end) { | |
| 2292 count = ngx_mp4_get_32value(entry->count); | |
| 2293 | |
|
4088
8fe1da7b8386
bugfix of r4086: nginx could not be built without debug log.
Igor Sysoev <igor@sysoev.ru>
parents:
4087
diff
changeset
|
2294 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
| 4085 | 2295 "start:%uD, count:%uD, offset:%uD", |
| 2296 start_sample, count, ngx_mp4_get_32value(entry->offset)); | |
| 2297 | |
| 2298 if (start_sample <= count) { | |
| 2299 count -= (start_sample - 1); | |
| 2300 ngx_mp4_set_32value(entry->count, count); | |
| 2301 goto found; | |
| 2302 } | |
| 2303 | |
| 2304 start_sample -= count; | |
| 2305 entries--; | |
| 2306 entry++; | |
| 2307 } | |
| 2308 | |
| 2309 trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf = NULL; | |
| 2310 trak->out[NGX_HTTP_MP4_CTTS_DATA].buf = NULL; | |
| 2311 | |
| 2312 return; | |
| 2313 | |
| 2314 found: | |
| 2315 | |
| 2316 data->pos = (u_char *) entry; | |
| 2317 atom_size = sizeof(ngx_mp4_ctts_atom_t) + (data->last - data->pos); | |
| 2318 trak->size += atom_size; | |
| 2319 | |
| 2320 atom = trak->out[NGX_HTTP_MP4_CTTS_ATOM].buf; | |
| 2321 ctts_atom = (ngx_mp4_ctts_atom_t *) atom->pos; | |
| 2322 | |
| 2323 ngx_mp4_set_32value(ctts_atom->size, atom_size); | |
| 2324 ngx_mp4_set_32value(ctts_atom->entries, entries); | |
| 2325 | |
| 2326 return; | |
| 2327 } | |
| 2328 | |
| 2329 | |
| 2330 typedef struct { | |
| 2331 u_char size[4]; | |
| 2332 u_char name[4]; | |
| 2333 u_char version[1]; | |
| 2334 u_char flags[3]; | |
| 2335 u_char entries[4]; | |
| 2336 } ngx_mp4_stsc_atom_t; | |
| 2337 | |
| 2338 | |
| 2339 static ngx_int_t | |
| 2340 ngx_http_mp4_read_stsc_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 2341 { | |
| 2342 u_char *atom_header, *atom_table, *atom_end; | |
| 2343 uint32_t entries; | |
| 2344 ngx_buf_t *atom, *data; | |
| 2345 ngx_mp4_stsc_atom_t *stsc_atom; | |
| 2346 ngx_http_mp4_trak_t *trak; | |
| 2347 | |
| 2348 /* sample-to-chunk atom */ | |
| 2349 | |
| 2350 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsc atom"); | |
| 2351 | |
| 2352 atom_header = ngx_mp4_atom_header(mp4); | |
| 2353 stsc_atom = (ngx_mp4_stsc_atom_t *) atom_header; | |
| 2354 ngx_mp4_set_atom_name(stsc_atom, 's', 't', 's', 'c'); | |
| 2355 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2356 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
|
2357 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2358 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2359 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2360 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2361 |
| 4085 | 2362 entries = ngx_mp4_get_32value(stsc_atom->entries); |
| 2363 | |
| 2364 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 4096 | 2365 "sample-to-chunk entries:%uD", entries); |
| 4085 | 2366 |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2367 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
|
2368 + entries * sizeof(ngx_mp4_stsc_entry_t) > atom_data_size) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2369 { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2370 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2371 "\"%s\" mp4 stsc atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2372 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2373 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2374 |
| 4085 | 2375 atom_table = atom_header + sizeof(ngx_mp4_stsc_atom_t); |
| 2376 atom_end = atom_table + entries * sizeof(ngx_mp4_stsc_entry_t); | |
| 2377 | |
| 2378 trak = ngx_mp4_last_trak(mp4); | |
| 2379 trak->sample_to_chunk_entries = entries; | |
| 2380 | |
| 2381 atom = &trak->stsc_atom_buf; | |
| 2382 atom->temporary = 1; | |
| 2383 atom->pos = atom_header; | |
| 2384 atom->last = atom_table; | |
| 2385 | |
| 2386 data = &trak->stsc_data_buf; | |
| 2387 data->temporary = 1; | |
| 2388 data->pos = atom_table; | |
| 2389 data->last = atom_end; | |
| 2390 | |
| 2391 trak->out[NGX_HTTP_MP4_STSC_ATOM].buf = atom; | |
| 2392 trak->out[NGX_HTTP_MP4_STSC_DATA].buf = data; | |
| 2393 | |
| 2394 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 2395 | |
| 2396 return NGX_OK; | |
| 2397 } | |
| 2398 | |
| 2399 | |
| 2400 static ngx_int_t | |
| 2401 ngx_http_mp4_update_stsc_atom(ngx_http_mp4_file_t *mp4, | |
| 2402 ngx_http_mp4_trak_t *trak) | |
| 2403 { | |
| 2404 size_t atom_size; | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2405 uint32_t start_sample, entries, 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
|
2406 next_chunk, n; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2407 ngx_buf_t *atom, *data, *buf; |
| 4085 | 2408 ngx_mp4_stsc_atom_t *stsc_atom; |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2409 ngx_mp4_stsc_entry_t *entry, *first, *end; |
| 4085 | 2410 |
| 2411 /* | |
| 2412 * mdia.minf.stbl.stsc updating requires trak->start_sample | |
| 2413 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
| 2414 * atom which may reside after mdia.minf | |
| 2415 */ | |
| 2416 | |
| 2417 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2418 "mp4 stsc atom update"); | |
| 2419 | |
| 2420 data = trak->out[NGX_HTTP_MP4_STSC_DATA].buf; | |
| 2421 | |
| 2422 if (data == NULL) { | |
| 2423 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 2424 "no mp4 stsc atoms were found in \"%s\"", | |
| 2425 mp4->file.name.data); | |
| 2426 return NGX_ERROR; | |
| 2427 } | |
| 2428 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2429 if (trak->sample_to_chunk_entries == 0) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2430 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2431 "zero number of entries in stsc atom in \"%s\"", |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2432 mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2433 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2434 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2435 |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2436 start_sample = (uint32_t) trak->start_sample; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2437 entries = trak->sample_to_chunk_entries - 1; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2438 |
| 4085 | 2439 entry = (ngx_mp4_stsc_entry_t *) data->pos; |
| 2440 end = (ngx_mp4_stsc_entry_t *) data->last; | |
| 2441 | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2442 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
|
2443 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
|
2444 id = ngx_mp4_get_32value(entry->id); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2445 entry++; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2446 |
| 4085 | 2447 while (entry < end) { |
| 2448 | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2449 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
|
2450 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2451 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, 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
|
2452 "start_sample:%uD, chunk:%uD, chunks:%uD, " |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2453 "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
|
2454 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
|
2455 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2456 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
|
2457 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2458 if (start_sample <= n) { |
| 4085 | 2459 goto found; |
| 2460 } | |
| 2461 | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2462 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
|
2463 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2464 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
|
2465 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
|
2466 id = ngx_mp4_get_32value(entry->id); |
| 4085 | 2467 entries--; |
| 2468 entry++; | |
| 2469 } | |
| 2470 | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2471 next_chunk = trak->chunks; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2472 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2473 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, 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
|
2474 "start_sample:%uD, chunk:%uD, chunks:%uD, samples:%uD", |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2475 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
|
2476 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2477 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
|
2478 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2479 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
|
2480 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
|
2481 "start time is out mp4 stsc chunks in \"%s\"", |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2482 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
|
2483 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
|
2484 } |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2485 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2486 found: |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2487 |
| 4085 | 2488 entries++; |
| 2489 entry--; | |
| 2490 | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2491 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
|
2492 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
|
2493 "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
|
2494 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
|
2495 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
|
2496 } |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2497 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2498 trak->start_chunk = chunk - 1; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2499 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2500 trak->start_chunk += start_sample / samples; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2501 trak->chunk_samples = start_sample % samples; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2502 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2503 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, 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
|
2504 "start chunk:%ui, samples:%uD", |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2505 trak->start_chunk, trak->chunk_samples); |
| 4085 | 2506 |
| 2507 data->pos = (u_char *) entry; | |
| 2508 atom_size = sizeof(ngx_mp4_stsc_atom_t) + (data->last - data->pos); | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2509 |
|
4382
b4d54fa76853
Fixed mp4 if first entry in stsc was skipped (ticket #72).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4306
diff
changeset
|
2510 ngx_mp4_set_32value(entry->chunk, 1); |
|
b4d54fa76853
Fixed mp4 if first entry in stsc was skipped (ticket #72).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4306
diff
changeset
|
2511 |
|
4687
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2512 if (trak->chunk_samples && next_chunk - trak->start_chunk == 2) { |
|
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2513 |
|
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2514 /* last chunk in the entry */ |
|
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2515 |
|
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2516 ngx_mp4_set_32value(entry->samples, samples - trak->chunk_samples); |
|
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2517 |
|
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2518 } else if (trak->chunk_samples) { |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2519 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2520 first = &trak->stsc_chunk_entry; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2521 ngx_mp4_set_32value(first->chunk, 1); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2522 ngx_mp4_set_32value(first->samples, samples - trak->chunk_samples); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2523 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
|
2524 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2525 buf = &trak->stsc_chunk_buf; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2526 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
|
2527 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
|
2528 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
|
2529 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2530 trak->out[NGX_HTTP_MP4_STSC_CHUNK].buf = buf; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2531 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2532 ngx_mp4_set_32value(entry->chunk, 2); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2533 |
|
4687
7f50a4063100
Mp4: fixed non-keyframe seeks in some cases (ticket #175).
Maxim Dounin <mdounin@mdounin.ru>
parents:
4611
diff
changeset
|
2534 entries++; |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2535 atom_size += 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
|
2536 } |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2537 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2538 while (++entry < end) { |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2539 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
|
2540 chunk -= trak->start_chunk; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2541 ngx_mp4_set_32value(entry->chunk, chunk); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2542 } |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2543 |
| 4085 | 2544 trak->size += atom_size; |
| 2545 | |
| 2546 atom = trak->out[NGX_HTTP_MP4_STSC_ATOM].buf; | |
| 2547 stsc_atom = (ngx_mp4_stsc_atom_t *) atom->pos; | |
| 2548 | |
| 2549 ngx_mp4_set_32value(stsc_atom->size, atom_size); | |
| 2550 ngx_mp4_set_32value(stsc_atom->entries, entries); | |
| 2551 | |
| 2552 return NGX_OK; | |
| 2553 } | |
| 2554 | |
| 2555 | |
| 2556 typedef struct { | |
| 2557 u_char size[4]; | |
| 2558 u_char name[4]; | |
| 2559 u_char version[1]; | |
| 2560 u_char flags[3]; | |
| 2561 u_char uniform_size[4]; | |
| 2562 u_char entries[4]; | |
| 2563 } ngx_mp4_stsz_atom_t; | |
| 2564 | |
| 2565 | |
| 2566 static ngx_int_t | |
| 2567 ngx_http_mp4_read_stsz_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 2568 { | |
| 2569 u_char *atom_header, *atom_table, *atom_end; | |
| 2570 size_t atom_size; | |
| 2571 uint32_t entries, size; | |
| 2572 ngx_buf_t *atom, *data; | |
| 2573 ngx_mp4_stsz_atom_t *stsz_atom; | |
| 2574 ngx_http_mp4_trak_t *trak; | |
| 2575 | |
| 2576 /* sample sizes atom */ | |
| 2577 | |
| 2578 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stsz atom"); | |
| 2579 | |
| 2580 atom_header = ngx_mp4_atom_header(mp4); | |
| 2581 stsz_atom = (ngx_mp4_stsz_atom_t *) atom_header; | |
| 2582 ngx_mp4_set_atom_name(stsz_atom, 's', 't', 's', 'z'); | |
| 2583 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2584 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
|
2585 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2586 "\"%s\" mp4 stsz atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2587 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2588 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2589 |
| 4085 | 2590 size = ngx_mp4_get_32value(stsz_atom->uniform_size); |
| 2591 entries = ngx_mp4_get_32value(stsz_atom->entries); | |
| 2592 | |
| 2593 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2594 "sample uniform size:%uD, entries:%uD", size, entries); | |
| 2595 | |
| 2596 trak = ngx_mp4_last_trak(mp4); | |
| 2597 trak->sample_sizes_entries = entries; | |
| 2598 | |
| 2599 atom_table = atom_header + sizeof(ngx_mp4_stsz_atom_t); | |
| 2600 | |
| 2601 atom = &trak->stsz_atom_buf; | |
| 2602 atom->temporary = 1; | |
| 2603 atom->pos = atom_header; | |
| 2604 atom->last = atom_table; | |
| 2605 | |
| 2606 trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf = atom; | |
| 2607 | |
| 2608 if (size == 0) { | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2609 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
|
2610 + entries * sizeof(uint32_t) > atom_data_size) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2611 { |
| 4085 | 2612 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
|
2613 "\"%s\" mp4 stsz atom too small", |
| 4085 | 2614 mp4->file.name.data); |
| 2615 return NGX_ERROR; | |
| 2616 } | |
| 2617 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2618 atom_end = atom_table + entries * sizeof(uint32_t); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2619 |
| 4085 | 2620 data = &trak->stsz_data_buf; |
| 2621 data->temporary = 1; | |
| 2622 data->pos = atom_table; | |
| 2623 data->last = atom_end; | |
| 2624 | |
| 2625 trak->out[NGX_HTTP_MP4_STSZ_DATA].buf = data; | |
| 2626 | |
| 2627 } else { | |
| 2628 /* 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
|
2629 /* TODO : chunk samples */ |
| 4085 | 2630 atom_size = sizeof(ngx_mp4_atom_header_t) + (size_t) atom_data_size; |
| 2631 ngx_mp4_set_32value(atom_header, atom_size); | |
| 2632 trak->size += atom_size; | |
| 2633 } | |
| 2634 | |
| 2635 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 2636 | |
| 2637 return NGX_OK; | |
| 2638 } | |
| 2639 | |
| 2640 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2641 static ngx_int_t |
| 4085 | 2642 ngx_http_mp4_update_stsz_atom(ngx_http_mp4_file_t *mp4, |
| 2643 ngx_http_mp4_trak_t *trak) | |
| 2644 { | |
| 2645 size_t atom_size; | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2646 uint32_t *pos, *end; |
| 4085 | 2647 ngx_buf_t *atom, *data; |
| 2648 ngx_mp4_stsz_atom_t *stsz_atom; | |
| 2649 | |
| 2650 /* | |
| 2651 * mdia.minf.stbl.stsz updating requires trak->start_sample | |
| 2652 * from mdia.minf.stbl.stts which depends on value from mdia.mdhd | |
| 2653 * atom which may reside after mdia.minf | |
| 2654 */ | |
| 2655 | |
| 2656 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2657 "mp4 stsz atom update"); | |
| 2658 | |
| 2659 data = trak->out[NGX_HTTP_MP4_STSZ_DATA].buf; | |
| 2660 | |
| 2661 if (data) { | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2662 if (trak->start_sample > trak->sample_sizes_entries) { |
|
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 "start time is out mp4 stsz samples in \"%s\"", |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2665 mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2666 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2667 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2668 |
| 4085 | 2669 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
|
2670 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
|
2671 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2672 for (pos = end - trak->chunk_samples; pos < end; pos++) { |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2673 trak->chunk_samples_size += ngx_mp4_get_32value(pos); |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2674 } |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2675 |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2676 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, |
| 4112 | 2677 "chunk samples sizes:%uL", trak->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
|
2678 |
| 4085 | 2679 atom_size = sizeof(ngx_mp4_stsz_atom_t) + (data->last - data->pos); |
| 2680 trak->size += atom_size; | |
| 2681 | |
| 2682 atom = trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf; | |
| 2683 stsz_atom = (ngx_mp4_stsz_atom_t *) atom->pos; | |
| 2684 | |
| 2685 ngx_mp4_set_32value(stsz_atom->size, atom_size); | |
| 2686 ngx_mp4_set_32value(stsz_atom->entries, | |
| 2687 trak->sample_sizes_entries - trak->start_sample); | |
| 2688 } | |
|
4585
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Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2689 |
|
3f874d645f45
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parents:
4579
diff
changeset
|
2690 return NGX_OK; |
| 4085 | 2691 } |
| 2692 | |
| 2693 | |
| 2694 typedef struct { | |
| 2695 u_char size[4]; | |
| 2696 u_char name[4]; | |
| 2697 u_char version[1]; | |
| 2698 u_char flags[3]; | |
| 2699 u_char entries[4]; | |
| 2700 } ngx_mp4_stco_atom_t; | |
| 2701 | |
| 2702 | |
| 2703 static ngx_int_t | |
| 2704 ngx_http_mp4_read_stco_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 2705 { | |
| 2706 u_char *atom_header, *atom_table, *atom_end; | |
| 2707 uint32_t entries; | |
| 2708 ngx_buf_t *atom, *data; | |
| 2709 ngx_mp4_stco_atom_t *stco_atom; | |
| 2710 ngx_http_mp4_trak_t *trak; | |
| 2711 | |
| 2712 /* chunk offsets atom */ | |
| 2713 | |
| 2714 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 stco atom"); | |
| 2715 | |
| 2716 atom_header = ngx_mp4_atom_header(mp4); | |
| 2717 stco_atom = (ngx_mp4_stco_atom_t *) atom_header; | |
| 2718 ngx_mp4_set_atom_name(stco_atom, 's', 't', 'c', 'o'); | |
| 2719 | |
|
4585
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4579
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|
2720 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
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|
2721 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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4579
diff
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|
2722 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
2723 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
2724 } |
|
3f874d645f45
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4579
diff
changeset
|
2725 |
| 4085 | 2726 entries = ngx_mp4_get_32value(stco_atom->entries); |
| 2727 | |
| 2728 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
| 2729 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2730 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
|
2731 + entries * sizeof(uint32_t) > atom_data_size) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
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|
2732 { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
2733 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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4579
diff
changeset
|
2734 "\"%s\" mp4 stco atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
2735 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
2736 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
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|
2737 |
| 4085 | 2738 atom_table = atom_header + sizeof(ngx_mp4_stco_atom_t); |
| 2739 atom_end = atom_table + entries * sizeof(uint32_t); | |
| 2740 | |
| 2741 trak = ngx_mp4_last_trak(mp4); | |
| 2742 trak->chunks = entries; | |
| 2743 | |
| 4107 | 2744 atom = &trak->stco_atom_buf; |
| 4085 | 2745 atom->temporary = 1; |
| 2746 atom->pos = atom_header; | |
| 2747 atom->last = atom_table; | |
| 2748 | |
| 4107 | 2749 data = &trak->stco_data_buf; |
| 4085 | 2750 data->temporary = 1; |
| 2751 data->pos = atom_table; | |
| 2752 data->last = atom_end; | |
| 2753 | |
| 2754 trak->out[NGX_HTTP_MP4_STCO_ATOM].buf = atom; | |
| 2755 trak->out[NGX_HTTP_MP4_STCO_DATA].buf = data; | |
| 2756 | |
| 2757 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 2758 | |
| 2759 return NGX_OK; | |
| 2760 } | |
| 2761 | |
| 2762 | |
| 2763 static ngx_int_t | |
| 2764 ngx_http_mp4_update_stco_atom(ngx_http_mp4_file_t *mp4, | |
| 2765 ngx_http_mp4_trak_t *trak) | |
| 2766 { | |
| 2767 size_t atom_size; | |
| 2768 ngx_buf_t *atom, *data; | |
| 2769 ngx_mp4_stco_atom_t *stco_atom; | |
| 2770 | |
| 2771 /* | |
| 2772 * mdia.minf.stbl.stco updating requires trak->start_chunk | |
| 2773 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
| 2774 * atom which may reside after mdia.minf | |
| 2775 */ | |
| 2776 | |
| 2777 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2778 "mp4 stco atom update"); | |
| 2779 | |
| 2780 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
| 2781 | |
| 2782 if (data == NULL) { | |
| 2783 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 2784 "no mp4 stco atoms were found in \"%s\"", | |
| 2785 mp4->file.name.data); | |
| 2786 return NGX_ERROR; | |
| 2787 } | |
| 2788 | |
|
4585
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Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
2789 if (trak->start_chunk > trak->chunks) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2790 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2791 "start time is out mp4 stco chunks in \"%s\"", |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2792 mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
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|
2793 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
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|
2794 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
2795 |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2796 data->pos += trak->start_chunk * sizeof(uint32_t); |
| 4085 | 2797 atom_size = sizeof(ngx_mp4_stco_atom_t) + (data->last - data->pos); |
| 2798 trak->size += atom_size; | |
| 2799 | |
| 2800 trak->start_offset = ngx_mp4_get_32value(data->pos); | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2801 trak->start_offset += trak->chunk_samples_size; |
|
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2802 ngx_mp4_set_32value(data->pos, trak->start_offset); |
| 4085 | 2803 |
| 2804 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2805 "start chunk offset:%uD", trak->start_offset); | |
| 2806 | |
| 2807 atom = trak->out[NGX_HTTP_MP4_STCO_ATOM].buf; | |
| 2808 stco_atom = (ngx_mp4_stco_atom_t *) atom->pos; | |
| 2809 | |
| 2810 ngx_mp4_set_32value(stco_atom->size, atom_size); | |
|
4098
a3e07fab98a3
Fix of case when start sample does not reside on chunk boundary.
Igor Sysoev <igor@sysoev.ru>
parents:
4096
diff
changeset
|
2811 ngx_mp4_set_32value(stco_atom->entries, trak->chunks - trak->start_chunk); |
| 4085 | 2812 |
| 2813 return NGX_OK; | |
| 2814 } | |
| 2815 | |
| 2816 | |
| 2817 static void | |
| 2818 ngx_http_mp4_adjust_stco_atom(ngx_http_mp4_file_t *mp4, | |
| 2819 ngx_http_mp4_trak_t *trak, int32_t adjustment) | |
| 2820 { | |
| 2821 uint32_t offset, *entry, *end; | |
| 2822 ngx_buf_t *data; | |
| 2823 | |
| 2824 /* | |
| 2825 * moov.trak.mdia.minf.stbl.stco adjustment requires | |
| 2826 * minimal start offset of all traks and new moov atom size | |
| 2827 */ | |
| 2828 | |
| 2829 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2830 "mp4 stco atom adjustment"); | |
| 2831 | |
| 2832 data = trak->out[NGX_HTTP_MP4_STCO_DATA].buf; | |
| 2833 entry = (uint32_t *) data->pos; | |
| 2834 end = (uint32_t *) data->last; | |
| 2835 | |
| 2836 while (entry < end) { | |
| 2837 offset = ngx_mp4_get_32value(entry); | |
| 2838 offset += adjustment; | |
| 2839 ngx_mp4_set_32value(entry, offset); | |
| 2840 entry++; | |
| 2841 } | |
| 2842 } | |
| 2843 | |
| 2844 | |
| 4112 | 2845 typedef struct { |
| 2846 u_char size[4]; | |
| 2847 u_char name[4]; | |
| 2848 u_char version[1]; | |
| 2849 u_char flags[3]; | |
| 2850 u_char entries[4]; | |
| 2851 } ngx_mp4_co64_atom_t; | |
| 2852 | |
| 2853 | |
| 2854 static ngx_int_t | |
| 2855 ngx_http_mp4_read_co64_atom(ngx_http_mp4_file_t *mp4, uint64_t atom_data_size) | |
| 2856 { | |
| 2857 u_char *atom_header, *atom_table, *atom_end; | |
| 2858 uint32_t entries; | |
| 2859 ngx_buf_t *atom, *data; | |
| 2860 ngx_mp4_co64_atom_t *co64_atom; | |
| 2861 ngx_http_mp4_trak_t *trak; | |
| 2862 | |
| 2863 /* chunk offsets atom */ | |
| 2864 | |
| 2865 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "mp4 co64 atom"); | |
| 2866 | |
| 2867 atom_header = ngx_mp4_atom_header(mp4); | |
| 2868 co64_atom = (ngx_mp4_co64_atom_t *) atom_header; | |
| 2869 ngx_mp4_set_atom_name(co64_atom, 'c', 'o', '6', '4'); | |
| 2870 | |
|
4585
3f874d645f45
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Maxim Dounin <mdounin@mdounin.ru>
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4579
diff
changeset
|
2871 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
|
2872 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2873 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2874 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2875 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2876 |
| 4112 | 2877 entries = ngx_mp4_get_32value(co64_atom->entries); |
| 2878 | |
| 2879 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, "chunks:%uD", entries); | |
| 2880 | |
|
4585
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2881 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
|
2882 + entries * sizeof(uint64_t) > atom_data_size) |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2883 { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2884 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2885 "\"%s\" mp4 co64 atom too small", mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2886 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2887 } |
|
3f874d645f45
Mp4: sanity checks cleanup.
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parents:
4579
diff
changeset
|
2888 |
| 4112 | 2889 atom_table = atom_header + sizeof(ngx_mp4_co64_atom_t); |
| 2890 atom_end = atom_table + entries * sizeof(uint64_t); | |
| 2891 | |
| 2892 trak = ngx_mp4_last_trak(mp4); | |
| 2893 trak->chunks = entries; | |
| 2894 | |
| 2895 atom = &trak->co64_atom_buf; | |
| 2896 atom->temporary = 1; | |
| 2897 atom->pos = atom_header; | |
| 2898 atom->last = atom_table; | |
| 2899 | |
| 2900 data = &trak->co64_data_buf; | |
| 2901 data->temporary = 1; | |
| 2902 data->pos = atom_table; | |
| 2903 data->last = atom_end; | |
| 2904 | |
| 2905 trak->out[NGX_HTTP_MP4_CO64_ATOM].buf = atom; | |
| 2906 trak->out[NGX_HTTP_MP4_CO64_DATA].buf = data; | |
| 2907 | |
| 2908 ngx_mp4_atom_next(mp4, atom_data_size); | |
| 2909 | |
| 2910 return NGX_OK; | |
| 2911 } | |
| 2912 | |
| 2913 | |
| 2914 static ngx_int_t | |
| 2915 ngx_http_mp4_update_co64_atom(ngx_http_mp4_file_t *mp4, | |
| 2916 ngx_http_mp4_trak_t *trak) | |
| 2917 { | |
| 2918 size_t atom_size; | |
| 2919 ngx_buf_t *atom, *data; | |
| 2920 ngx_mp4_co64_atom_t *co64_atom; | |
| 2921 | |
| 2922 /* | |
| 2923 * mdia.minf.stbl.co64 updating requires trak->start_chunk | |
| 2924 * from mdia.minf.stbl.stsc which depends on value from mdia.mdhd | |
| 2925 * atom which may reside after mdia.minf | |
| 2926 */ | |
| 2927 | |
| 2928 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2929 "mp4 co64 atom update"); | |
| 2930 | |
| 2931 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
| 2932 | |
| 2933 if (data == NULL) { | |
| 2934 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, | |
| 2935 "no mp4 co64 atoms were found in \"%s\"", | |
| 2936 mp4->file.name.data); | |
| 2937 return NGX_ERROR; | |
| 2938 } | |
| 2939 | |
|
4585
3f874d645f45
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Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2940 if (trak->start_chunk > trak->chunks) { |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2941 ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0, |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2942 "start time is out mp4 co64 chunks in \"%s\"", |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2943 mp4->file.name.data); |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2944 return NGX_ERROR; |
|
3f874d645f45
Mp4: sanity checks cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4579
diff
changeset
|
2945 } |
|
3f874d645f45
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4579
diff
changeset
|
2946 |
| 4112 | 2947 data->pos += trak->start_chunk * sizeof(uint64_t); |
| 2948 atom_size = sizeof(ngx_mp4_co64_atom_t) + (data->last - data->pos); | |
| 2949 trak->size += atom_size; | |
| 2950 | |
| 2951 trak->start_offset = ngx_mp4_get_64value(data->pos); | |
| 2952 trak->start_offset += trak->chunk_samples_size; | |
| 2953 ngx_mp4_set_64value(data->pos, trak->start_offset); | |
| 2954 | |
| 2955 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2956 "start chunk offset:%uL", trak->start_offset); | |
| 2957 | |
| 2958 atom = trak->out[NGX_HTTP_MP4_CO64_ATOM].buf; | |
| 2959 co64_atom = (ngx_mp4_co64_atom_t *) atom->pos; | |
| 2960 | |
| 2961 ngx_mp4_set_32value(co64_atom->size, atom_size); | |
| 2962 ngx_mp4_set_32value(co64_atom->entries, trak->chunks - trak->start_chunk); | |
| 2963 | |
| 2964 return NGX_OK; | |
| 2965 } | |
| 2966 | |
| 2967 | |
| 2968 static void | |
| 2969 ngx_http_mp4_adjust_co64_atom(ngx_http_mp4_file_t *mp4, | |
| 2970 ngx_http_mp4_trak_t *trak, off_t adjustment) | |
| 2971 { | |
| 2972 uint64_t offset, *entry, *end; | |
| 2973 ngx_buf_t *data; | |
| 2974 | |
| 2975 /* | |
| 2976 * moov.trak.mdia.minf.stbl.co64 adjustment requires | |
| 2977 * minimal start offset of all traks and new moov atom size | |
| 2978 */ | |
| 2979 | |
| 2980 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, mp4->file.log, 0, | |
| 2981 "mp4 co64 atom adjustment"); | |
| 2982 | |
| 2983 data = trak->out[NGX_HTTP_MP4_CO64_DATA].buf; | |
| 2984 entry = (uint64_t *) data->pos; | |
| 2985 end = (uint64_t *) data->last; | |
| 2986 | |
| 2987 while (entry < end) { | |
| 2988 offset = ngx_mp4_get_64value(entry); | |
| 2989 offset += adjustment; | |
| 2990 ngx_mp4_set_64value(entry, offset); | |
| 2991 entry++; | |
| 2992 } | |
| 2993 } | |
| 2994 | |
| 2995 | |
| 4085 | 2996 static char * |
| 2997 ngx_http_mp4(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 2998 { | |
| 2999 ngx_http_core_loc_conf_t *clcf; | |
| 3000 | |
| 3001 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
| 3002 clcf->handler = ngx_http_mp4_handler; | |
| 3003 | |
| 3004 return NGX_CONF_OK; | |
| 3005 } | |
| 3006 | |
| 3007 | |
| 3008 static void * | |
| 3009 ngx_http_mp4_create_conf(ngx_conf_t *cf) | |
| 3010 { | |
| 3011 ngx_http_mp4_conf_t *conf; | |
| 3012 | |
| 3013 conf = ngx_palloc(cf->pool, sizeof(ngx_http_mp4_conf_t)); | |
| 3014 if (conf == NULL) { | |
| 3015 return NULL; | |
| 3016 } | |
| 3017 | |
| 3018 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
|
3019 conf->max_buffer_size = NGX_CONF_UNSET_SIZE; |
| 4085 | 3020 |
| 3021 return conf; | |
| 3022 } | |
| 3023 | |
| 3024 | |
| 3025 static char * | |
| 3026 ngx_http_mp4_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 3027 { | |
| 3028 ngx_http_mp4_conf_t *prev = parent; | |
| 3029 ngx_http_mp4_conf_t *conf = child; | |
| 3030 | |
| 3031 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
|
3032 ngx_conf_merge_size_value(conf->max_buffer_size, prev->max_buffer_size, |
| 4085 | 3033 10 * 1024 * 1024); |
| 3034 | |
| 3035 return NGX_CONF_OK; | |
| 3036 } |