falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44689 Commits
32 Branches
824MB
Tree: c5714b51aa
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'c5714b51aa'
${ noResults }
FFmpeg/libavformat/nut.c

252 lines
11KB
Raw Blame History 

  1. /*

  2.  * nut

  3.  * Copyright (c) 2004-2007 Michael Niedermayer

  4.  *

  5.  * This file is part of Libav.

  6.  *

  7.  * Libav is free software; you can redistribute it and/or

  8.  * modify it under the terms of the GNU Lesser General Public

  9.  * License as published by the Free Software Foundation; either

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * Libav is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  15.  * Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public

  18.  * License along with Libav; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. #include "libavutil/mathematics.h"

  23. #include "libavutil/tree.h"

  24. #include "nut.h"

  25. #include "riff.h"

  26. #include "internal.h"

  27. 

  28. const AVCodecTag ff_nut_subtitle_tags[] = {

  29.     { AV_CODEC_ID_TEXT,             MKTAG('U', 'T', 'F', '8') },

  30.     { AV_CODEC_ID_SSA,              MKTAG('S', 'S', 'A',   0) },

  31.     { AV_CODEC_ID_DVD_SUBTITLE,     MKTAG('D', 'V', 'D', 'S') },

  32.     { AV_CODEC_ID_DVB_SUBTITLE,     MKTAG('D', 'V', 'B', 'S') },

  33.     { AV_CODEC_ID_NONE,             0                         }

  34. };

  35. 

  36. const AVCodecTag ff_nut_data_tags[] = {

  37.     { AV_CODEC_ID_TEXT,             MKTAG('U', 'T', 'F', '8') },

  38.     { AV_CODEC_ID_NONE,             0 }

  39. };

  40. 

  41. const AVCodecTag ff_nut_video_tags[] = {

  42.     { AV_CODEC_ID_VP9,              MKTAG('V', 'P', '9', '0') },

  43.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B',  15) },

  44.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R',  15) },

  45.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B',  16) },

  46.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R',  16) },

  47.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(15,  'B', 'G', 'R') },

  48.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(15,  'R', 'G', 'B') },

  49.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,  'B', 'G', 'R') },

  50.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,  'R', 'G', 'B') },

  51.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B',  12) },

  52.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R',  12) },

  53.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(12,  'B', 'G', 'R') },

  54.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(12,  'R', 'G', 'B') },

  55.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B', 'A') },

  56.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R', 'A') },

  57.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('A', 'B', 'G', 'R') },

  58.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('A', 'R', 'G', 'B') },

  59.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B',  24) },

  60.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R',  24) },

  61.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '1', '1', 'P') },

  62.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '2', '2', 'P') },

  63.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '2', '2', 'P') },

  64.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '4', '0', 'P') },

  65.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '4', '0', 'P') },

  66.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '4', '4', 'P') },

  67.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '4', '4', 'P') },

  68.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', '1', 'W', '0') },

  69.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', '0', 'W', '1') },

  70.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R',   8) },

  71.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B',   8) },

  72.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R',   4) },

  73.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B',   4) },

  74.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', '4', 'B', 'Y') },

  75.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', '4', 'B', 'Y') },

  76.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R',  48) },

  77.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B',  48) },

  78.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(48,  'B', 'G', 'R') },

  79.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(48,  'R', 'G', 'B') },

  80.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'B', 'A', 64 ) },

  81.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'R', 'A', 64 ) },

  82.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(64 , 'R', 'B', 'A') },

  83.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(64 , 'B', 'R', 'A') },

  84.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3',  11,  10) },

  85.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,   11, '3', 'Y') },

  86.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3',  10,  10) },

  87.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,   10, '3', 'Y') },

  88.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3',   0,  10) },

  89.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,    0, '3', 'Y') },

  90.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '1',   0,  16) },

  91.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,    0, '1', 'Y') },

  92.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3',  11,  16) },

  93.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,   11, '3', 'Y') },

  94.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3',  10,  16) },

  95.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,   10, '3', 'Y') },

  96.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3',   0,  16) },

  97.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,    0, '3', 'Y') },

  98.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  11,   8) },

  99.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '2',   0,   8) },

  100. 

  101.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '1',   0,   9) },

  102.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(9,     0, '1', 'Y') },

  103.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  11,   9) },

  104.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(9,    11, '4', 'Y') },

  105.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  10,   9) },

  106.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(9,    10, '4', 'Y') },

  107.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',   0,   9) },

  108.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(9,     0, '4', 'Y') },

  109. 

  110.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '1',   0,  10) },

  111.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,    0, '1', 'Y') },

  112.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  11,  10) },

  113.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,   11, '4', 'Y') },

  114.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  10,  10) },

  115.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,   10, '4', 'Y') },

  116.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',   0,  10) },

  117.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,    0, '4', 'Y') },

  118. 

  119.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '1',   0,  16) },

  120.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,    0, '1', 'Y') },

  121.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  11,  16) },

  122.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,   11, '4', 'Y') },

  123.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  10,  16) },

  124.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,   10, '4', 'Y') },

  125.     { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',   0,  16) },

  126.     { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,    0, '4', 'Y') },

  127. 

  128.     { AV_CODEC_ID_NONE,             0 }

  129. };

  130. 

  131. const AVCodecTag ff_nut_audio_tags[] = {

  132.     { AV_CODEC_ID_PCM_ALAW,         MKTAG('A', 'L', 'A', 'W') },

  133.     { AV_CODEC_ID_PCM_MULAW,        MKTAG('U', 'L', 'A', 'W') },

  134.     { AV_CODEC_ID_PCM_F32BE,        MKTAG(32,  'D', 'F', 'P') },

  135.     { AV_CODEC_ID_PCM_F32LE,        MKTAG('P', 'F', 'D',  32) },

  136.     { AV_CODEC_ID_PCM_F64BE,        MKTAG(64,  'D', 'F', 'P') },

  137.     { AV_CODEC_ID_PCM_F64LE,        MKTAG('P', 'F', 'D',  64) },

  138.     { AV_CODEC_ID_PCM_S16BE,        MKTAG(16,  'D', 'S', 'P') },

  139.     { AV_CODEC_ID_PCM_S16LE,        MKTAG('P', 'S', 'D',  16) },

  140.     { AV_CODEC_ID_PCM_S24BE,        MKTAG(24,  'D', 'S', 'P') },

  141.     { AV_CODEC_ID_PCM_S24LE,        MKTAG('P', 'S', 'D',  24) },

  142.     { AV_CODEC_ID_PCM_S32BE,        MKTAG(32,  'D', 'S', 'P') },

  143.     { AV_CODEC_ID_PCM_S32LE,        MKTAG('P', 'S', 'D',  32) },

  144.     { AV_CODEC_ID_PCM_S8,           MKTAG('P', 'S', 'D',   8) },

  145.     { AV_CODEC_ID_PCM_U16BE,        MKTAG(16,  'D', 'U', 'P') },

  146.     { AV_CODEC_ID_PCM_U16LE,        MKTAG('P', 'U', 'D',  16) },

  147.     { AV_CODEC_ID_PCM_U24BE,        MKTAG(24,  'D', 'U', 'P') },

  148.     { AV_CODEC_ID_PCM_U24LE,        MKTAG('P', 'U', 'D',  24) },

  149.     { AV_CODEC_ID_PCM_U32BE,        MKTAG(32,  'D', 'U', 'P') },

  150.     { AV_CODEC_ID_PCM_U32LE,        MKTAG('P', 'U', 'D',  32) },

  151.     { AV_CODEC_ID_PCM_U8,           MKTAG('P', 'U', 'D',   8) },

  152.     { AV_CODEC_ID_PCM_S16BE_PLANAR, MKTAG(16 , 'P', 'S', 'P') },

  153.     { AV_CODEC_ID_PCM_S16LE_PLANAR, MKTAG('P', 'S', 'P',  16) },

  154.     { AV_CODEC_ID_PCM_S24LE_PLANAR, MKTAG('P', 'S', 'P',  24) },

  155.     { AV_CODEC_ID_PCM_S32LE_PLANAR, MKTAG('P', 'S', 'P',  32) },

  156.     { AV_CODEC_ID_MP3,              MKTAG('M', 'P', '3', ' ') },

  157.     { AV_CODEC_ID_NONE,             0 }

  158. };

  159. 

  160. const AVCodecTag * const ff_nut_codec_tags[] = {

  161.     ff_nut_video_tags, ff_nut_audio_tags, ff_nut_subtitle_tags,

  162.     ff_codec_bmp_tags, ff_codec_wav_tags, ff_nut_data_tags, 0

  163. };

  164. 

  165. void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val)

  166. {

  167.     int i;

  168.     for (i = 0; i < nut->avf->nb_streams; i++)

  169.         nut->stream[i].last_pts =

  170.             av_rescale_rnd(val,

  171.                            time_base.num * (int64_t)nut->stream[i].time_base->den,

  172.                            time_base.den * (int64_t)nut->stream[i].time_base->num,

  173.                            AV_ROUND_DOWN);

  174. }

  175. 

  176. int64_t ff_lsb2full(StreamContext *stream, int64_t lsb)

  177. {

  178.     int64_t mask  = (1 << stream->msb_pts_shift) - 1;

  179.     int64_t delta = stream->last_pts - mask / 2;

  180.     return ((lsb - delta) & mask) + delta;

  181. }

  182. 

  183. int ff_nut_sp_pos_cmp(const Syncpoint *a, const Syncpoint *b)

  184. {

  185.     return ((a->pos - b->pos) >> 32) - ((b->pos - a->pos) >> 32);

  186. }

  187. 

  188. int ff_nut_sp_pts_cmp(const Syncpoint *a, const Syncpoint *b)

  189. {

  190.     return ((a->ts - b->ts) >> 32) - ((b->ts - a->ts) >> 32);

  191. }

  192. 

  193. int ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts)

  194. {

  195.     Syncpoint *sp           = av_mallocz(sizeof(Syncpoint));

  196.     struct AVTreeNode *node = av_tree_node_alloc();

  197. 

  198.     if (!sp || !node) {

  199.         av_freep(&sp);

  200.         av_freep(&node);

  201.         return AVERROR(ENOMEM);

  202.     }

  203. 

  204.     sp->pos      = pos;

  205.     sp->back_ptr = back_ptr;

  206.     sp->ts       = ts;

  207.     av_tree_insert(&nut->syncpoints, sp,

  208.                    (int (*)(void *, const void *)) ff_nut_sp_pos_cmp, &node);

  209.     if (node) {

  210.         av_free(sp);

  211.         av_free(node);

  212.     }

  213. 

  214.     return 0;

  215. }

  216. 

  217. static int enu_free(void *opaque, void *elem)

  218. {

  219.     av_free(elem);

  220.     return 0;

  221. }

  222. 

  223. void ff_nut_free_sp(NUTContext *nut)

  224. {

  225.     av_tree_enumerate(nut->syncpoints, NULL, NULL, enu_free);

  226.     av_tree_destroy(nut->syncpoints);

  227. }

  228. 

  229. const Dispositions ff_nut_dispositions[] = {

  230.     { "default",        AV_DISPOSITION_DEFAULT  },

  231.     { "dub",            AV_DISPOSITION_DUB      },

  232.     { "original",       AV_DISPOSITION_ORIGINAL },

  233.     { "comment",        AV_DISPOSITION_COMMENT  },

  234.     { "lyrics",         AV_DISPOSITION_LYRICS   },

  235.     { "karaoke",        AV_DISPOSITION_KARAOKE  },

  236.     { "",               0                       }

  237. };

  238. 

  239. const AVMetadataConv ff_nut_metadata_conv[] = {

  240.     { "Author",         "artist"      },

  241.     { "X-CreationTime", "date"        },

  242.     { "CreationTime",   "date"        },

  243.     { "SourceFilename", "filename"    },

  244.     { "X-Language",     "language"    },

  245.     { "X-Disposition",  "disposition" },

  246.     { "X-Replaces",     "replaces"    },

  247.     { "X-Depends",      "depends"     },

  248.     { "X-Uses",         "uses"        },

  249.     { "X-UsesFont",     "usesfont"    },

  250.     { 0 },

  251. };