libavformat/nut.c

   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('Y', '3', 11 , 10 ) },
  81     { AV_CODEC_ID_RAWVIDEO, MKTAG(10 , 11 , '3', 'Y') },
  82     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 10 ) },
  83     { AV_CODEC_ID_RAWVIDEO, MKTAG(10 , 10 , '3', 'Y') },
  84     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3',  0 , 10 ) },
  85     { AV_CODEC_ID_RAWVIDEO, MKTAG(10 ,  0 , '3', 'Y') },
  86     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '1',  0 , 16 ) },
  87     { AV_CODEC_ID_RAWVIDEO, MKTAG(16 ,  0 , '1', 'Y') },
  88     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11 , 16 ) },
  89     { AV_CODEC_ID_RAWVIDEO, MKTAG(16 , 11 , '3', 'Y') },
  90     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 16 ) },
  91     { AV_CODEC_ID_RAWVIDEO, MKTAG(16 , 10 , '3', 'Y') },
  92     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3',  0 , 16 ) },
  93     { AV_CODEC_ID_RAWVIDEO, MKTAG(16 ,  0 , '3', 'Y') },
  94     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11 ,  8 ) },
  95     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '2',  0 ,  8 ) },
  96
  97     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '1',  0 ,  9 ) },
  98     { AV_CODEC_ID_RAWVIDEO, MKTAG( 9 ,  0 , '1', 'Y') },
  99     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11 ,  9 ) },
 100     { AV_CODEC_ID_RAWVIDEO, MKTAG( 9 , 11 , '4', 'Y') },
 101     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 10 ,  9 ) },
 102     { AV_CODEC_ID_RAWVIDEO, MKTAG( 9 , 10 , '4', 'Y') },
 103     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4',  0 ,  9 ) },
 104     { AV_CODEC_ID_RAWVIDEO, MKTAG( 9 ,  0 , '4', 'Y') },
 105
 106     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '1',  0 , 10 ) },
 107     { AV_CODEC_ID_RAWVIDEO, MKTAG(10 ,  0 , '1', 'Y') },
 108     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11 , 10 ) },
 109     { AV_CODEC_ID_RAWVIDEO, MKTAG(10 , 11 , '4', 'Y') },
 110     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 10 , 10 ) },
 111     { AV_CODEC_ID_RAWVIDEO, MKTAG(10 , 10 , '4', 'Y') },
 112     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4',  0 , 10 ) },
 113     { AV_CODEC_ID_RAWVIDEO, MKTAG(10 ,  0 , '4', 'Y') },
 114
 115     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '1',  0 , 16 ) },
 116     { AV_CODEC_ID_RAWVIDEO, MKTAG(16 ,  0 , '1', 'Y') },
 117     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11 , 16 ) },
 118     { AV_CODEC_ID_RAWVIDEO, MKTAG(16 , 11 , '4', 'Y') },
 119     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 10 , 16 ) },
 120     { AV_CODEC_ID_RAWVIDEO, MKTAG(16 , 10 , '4', 'Y') },
 121     { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4',  0 , 16 ) },
 122     { AV_CODEC_ID_RAWVIDEO, MKTAG(16 ,  0 , '4', 'Y') },
 123
 124     { AV_CODEC_ID_NONE    , 0                         }
 125 };
 126
 127 const AVCodecTag ff_nut_audio_tags[] = {
 128     { AV_CODEC_ID_PCM_ALAW,         MKTAG('A', 'L', 'A', 'W') },
 129     { AV_CODEC_ID_PCM_MULAW,        MKTAG('U', 'L', 'A', 'W') },
 130     { AV_CODEC_ID_PCM_F32BE,        MKTAG(32 , 'D', 'F', 'P') },
 131     { AV_CODEC_ID_PCM_F32LE,        MKTAG('P', 'F', 'D', 32 ) },
 132     { AV_CODEC_ID_PCM_F64BE,        MKTAG(64 , 'D', 'F', 'P') },
 133     { AV_CODEC_ID_PCM_F64LE,        MKTAG('P', 'F', 'D', 64 ) },
 134     { AV_CODEC_ID_PCM_S16BE,        MKTAG(16 , 'D', 'S', 'P') },
 135     { AV_CODEC_ID_PCM_S16LE,        MKTAG('P', 'S', 'D', 16 ) },
 136     { AV_CODEC_ID_PCM_S24BE,        MKTAG(24 , 'D', 'S', 'P') },
 137     { AV_CODEC_ID_PCM_S24LE,        MKTAG('P', 'S', 'D', 24 ) },
 138     { AV_CODEC_ID_PCM_S32BE,        MKTAG(32 , 'D', 'S', 'P') },
 139     { AV_CODEC_ID_PCM_S32LE,        MKTAG('P', 'S', 'D', 32 ) },
 140     { AV_CODEC_ID_PCM_S8,           MKTAG('P', 'S', 'D',  8 ) },
 141     { AV_CODEC_ID_PCM_U16BE,        MKTAG(16 , 'D', 'U', 'P') },
 142     { AV_CODEC_ID_PCM_U16LE,        MKTAG('P', 'U', 'D', 16 ) },
 143     { AV_CODEC_ID_PCM_U24BE,        MKTAG(24 , 'D', 'U', 'P') },
 144     { AV_CODEC_ID_PCM_U24LE,        MKTAG('P', 'U', 'D', 24 ) },
 145     { AV_CODEC_ID_PCM_U32BE,        MKTAG(32 , 'D', 'U', 'P') },
 146     { AV_CODEC_ID_PCM_U32LE,        MKTAG('P', 'U', 'D', 32 ) },
 147     { AV_CODEC_ID_PCM_U8,           MKTAG('P', 'U', 'D',  8 ) },
 148     { AV_CODEC_ID_PCM_S16LE_PLANAR, MKTAG('P', 'S', 'P', 16 ) },
 149     { AV_CODEC_ID_MP3,              MKTAG('M', 'P', '3', ' ') },
 150     { AV_CODEC_ID_NONE,             0                         }
 151 };
 152
 153 const AVCodecTag * const ff_nut_codec_tags[] = {
 154     ff_nut_video_tags, ff_nut_audio_tags, ff_nut_subtitle_tags,
 155     ff_codec_bmp_tags, ff_codec_wav_tags, ff_nut_data_tags, 0
 156 };
 157
 158 void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val){
 159     int i;
 160     for(i=0; i<nut->avf->nb_streams; i++){
 161         nut->stream[i].last_pts= av_rescale_rnd(
 162             val,
 163             time_base.num * (int64_t)nut->stream[i].time_base->den,
 164             time_base.den * (int64_t)nut->stream[i].time_base->num,
 165             AV_ROUND_DOWN);
 166     }
 167 }
 168
 169 int64_t ff_lsb2full(StreamContext *stream, int64_t lsb){
 170     int64_t mask = (1<<stream->msb_pts_shift)-1;
 171     int64_t delta= stream->last_pts - mask/2;
 172     return  ((lsb - delta)&mask) + delta;
 173 }
 174
 175 int ff_nut_sp_pos_cmp(const Syncpoint *a, const Syncpoint *b){
 176     return ((a->pos - b->pos) >> 32) - ((b->pos - a->pos) >> 32);
 177 }
 178
 179 int ff_nut_sp_pts_cmp(const Syncpoint *a, const Syncpoint *b){
 180     return ((a->ts - b->ts) >> 32) - ((b->ts - a->ts) >> 32);
 181 }
 182
 183 void ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts){
 184     Syncpoint *sp= av_mallocz(sizeof(Syncpoint));
 185     struct AVTreeNode *node = av_tree_node_alloc();
 186
 187     sp->pos= pos;
 188     sp->back_ptr= back_ptr;
 189     sp->ts= ts;
 190     av_tree_insert(&nut->syncpoints, sp, (void *) ff_nut_sp_pos_cmp, &node);
 191     if(node){
 192         av_free(sp);
 193         av_free(node);
 194     }
 195 }
 196
 197 static int enu_free(void *opaque, void *elem)
 198 {
 199     av_free(elem);
 200     return 0;
 201 }
 202
 203 void ff_nut_free_sp(NUTContext *nut)
 204 {
 205     av_tree_enumerate(nut->syncpoints, NULL, NULL, enu_free);
 206     av_tree_destroy(nut->syncpoints);
 207 }
 208
 209 const Dispositions ff_nut_dispositions[] = {
 210     {"default"     , AV_DISPOSITION_DEFAULT},
 211     {"dub"         , AV_DISPOSITION_DUB},
 212     {"original"    , AV_DISPOSITION_ORIGINAL},
 213     {"comment"     , AV_DISPOSITION_COMMENT},
 214     {"lyrics"      , AV_DISPOSITION_LYRICS},
 215     {"karaoke"     , AV_DISPOSITION_KARAOKE},
 216     {""            , 0}
 217 };
 218
 219 const AVMetadataConv ff_nut_metadata_conv[] = {
 220     { "Author",         "artist"      },
 221     { "X-CreationTime", "date"        },
 222     { "CreationTime",   "date"        },
 223     { "SourceFilename", "filename"    },
 224     { "X-Language",     "language"    },
 225     { "X-Disposition",  "disposition" },
 226     { "X-Replaces",     "replaces"    },
 227     { "X-Depends",      "depends"     },
 228     { "X-Uses",         "uses"        },
 229     { "X-UsesFont",     "usesfont"    },
 230     { 0 },
 231 };