libmpdemux/ebml.h

   1 #ifndef EBML_H
   2 #define EBML_H
   3
   4 #include <inttypes.h>
   5
   6
   7 /* EBML version supported */
   8 #define EBML_VERSION 1
   9
  10 /*
  11  * EBML element IDs. max. 32-bit.
  12  */
  13
  14 /* top-level master-IDs */
  15 #define EBML_ID_HEADER                   0x1A45DFA3
  16
  17 /* IDs in the HEADER master */
  18 #define EBML_ID_EBMLVERSION              0x4286
  19 #define EBML_ID_EBMLREADVERSION          0x42F7
  20 #define EBML_ID_EBMLMAXIDLENGTH          0x42F2
  21 #define EBML_ID_EBMLMAXSIZELENGTH        0x42F3
  22 #define EBML_ID_DOCTYPE                  0x4282
  23 #define EBML_ID_DOCTYPEVERSION           0x4287
  24 #define EBML_ID_DOCTYPEREADVERSION       0x4285
  25
  26 /* general EBML types */
  27 #define EBML_ID_VOID                     0xEC
  28
  29 /* ID returned in error cases */
  30 #define EBML_ID_INVALID                  0xFFFFFFFF
  31
  32
  33 /*
  34  * Matroska element IDs. max. 32-bit.
  35  */
  36
  37 /* toplevel segment */
  38 #define MATROSKA_ID_SEGMENT              0x18538067
  39
  40 /* matroska top-level master IDs */
  41 #define MATROSKA_ID_INFO                 0x1549A966
  42 #define MATROSKA_ID_TRACKS               0x1654AE6B
  43 #define MATROSKA_ID_CUES                 0x1C53BB6B
  44 #define MATROSKA_ID_TAGS                 0x1254C367
  45 #define MATROSKA_ID_SEEKHEAD             0x114D9B74
  46 #define MATROSKA_ID_ATTACHMENTS          0x1941A469
  47 #define MATROSKA_ID_CHAPTERS             0x1043A770
  48 #define MATROSKA_ID_CLUSTER              0x1F43B675
  49
  50 /* IDs in the info master */
  51 #define MATROSKA_ID_TIMECODESCALE        0x2AD7B1
  52 #define MATROSKA_ID_DURATION             0x4489
  53 #define MATROSKA_ID_WRITINGAPP           0x5741
  54 #define MATROSKA_ID_MUXINGAPP            0x4D80
  55 #define MATROSKA_ID_DATEUTC              0x4461
  56
  57 /* ID in the tracks master */
  58 #define MATROSKA_ID_TRACKENTRY           0xAE
  59
  60 /* IDs in the trackentry master */
  61 #define MATROSKA_ID_TRACKNUMBER          0xD7
  62 #define MATROSKA_ID_TRACKUID             0x73C5
  63 #define MATROSKA_ID_TRACKTYPE            0x83
  64 #define MATROSKA_ID_TRACKAUDIO           0xE1
  65 #define MATROSKA_ID_TRACKVIDEO           0xE0
  66 #define MATROSKA_ID_CODECID              0x86
  67 #define MATROSKA_ID_CODECPRIVATE         0x63A2
  68 #define MATROSKA_ID_CODECNAME            0x258688
  69 #define MATROSKA_ID_CODECINFOURL         0x3B4040
  70 #define MATROSKA_ID_CODECDOWNLOADURL     0x26B240
  71 #define MATROSKA_ID_TRACKNAME            0x536E
  72 #define MATROSKA_ID_TRACKLANGUAGE        0x22B59C
  73 #define MATROSKA_ID_TRACKFLAGENABLED     0xB9
  74 #define MATROSKA_ID_TRACKFLAGDEFAULT     0x88
  75 #define MATROSKA_ID_TRACKFLAGLACING      0x9C
  76 #define MATROSKA_ID_TRACKMINCACHE        0x6DE7
  77 #define MATROSKA_ID_TRACKMAXCACHE        0x6DF8
  78 #define MATROSKA_ID_TRACKDEFAULTDURATION 0x23E383
  79 #define MATROSKA_ID_TRACKENCODINGS       0x6D80
  80
  81 /* IDs in the trackaudio master */
  82 #define MATROSKA_ID_AUDIOSAMPLINGFREQ    0xB5
  83 #define MATROSKA_ID_AUDIOBITDEPTH        0x6264
  84 #define MATROSKA_ID_AUDIOCHANNELS        0x9F
  85
  86 /* IDs in the trackvideo master */
  87 #define MATROSKA_ID_VIDEOFRAMERATE       0x2383E3
  88 #define MATROSKA_ID_VIDEODISPLAYWIDTH    0x54B0
  89 #define MATROSKA_ID_VIDEODISPLAYHEIGHT   0x54BA
  90 #define MATROSKA_ID_VIDEOPIXELWIDTH      0xB0
  91 #define MATROSKA_ID_VIDEOPIXELHEIGHT     0xBA
  92 #define MATROSKA_ID_VIDEOFLAGINTERLACED  0x9A
  93 #define MATROSKA_ID_VIDEOSTEREOMODE      0x53B9
  94 #define MATROSKA_ID_VIDEODISPLAYUNIT     0x54B2
  95 #define MATROSKA_ID_VIDEOASPECTRATIO     0x54B3
  96 #define MATROSKA_ID_VIDEOCOLOURSPACE     0x2EB524
  97 #define MATROSKA_ID_VIDEOGAMMA           0x2FB523
  98
  99 /* IDs in the trackencodings master */
 100 #define MATROSKA_ID_CONTENTENCODING      0x6240
 101 #define MATROSKA_ID_CONTENTENCODINGORDER 0x5031
 102 #define MATROSKA_ID_CONTENTENCODINGSCOPE 0x5032
 103 #define MATROSKA_ID_CONTENTENCODINGTYPE  0x5033
 104 #define MATROSKA_ID_CONTENTCOMPRESSION   0x5034
 105 #define MATROSKA_ID_CONTENTCOMPALGO      0x4254
 106 #define MATROSKA_ID_CONTENTCOMPSETTINGS  0x4255
 107
 108 /* ID in the cues master */
 109 #define MATROSKA_ID_POINTENTRY           0xBB
 110
 111 /* IDs in the pointentry master */
 112 #define MATROSKA_ID_CUETIME              0xB3
 113 #define MATROSKA_ID_CUETRACKPOSITION     0xB7
 114
 115 /* IDs in the cuetrackposition master */
 116 #define MATROSKA_ID_CUETRACK             0xF7
 117 #define MATROSKA_ID_CUECLUSTERPOSITION   0xF1
 118
 119 /* IDs in the seekhead master */
 120 #define MATROSKA_ID_SEEKENTRY            0x4DBB
 121
 122 /* IDs in the seekpoint master */
 123 #define MATROSKA_ID_SEEKID               0x53AB
 124 #define MATROSKA_ID_SEEKPOSITION         0x53AC
 125
 126 /* IDs in the chapters master */
 127 #define MATROSKA_ID_EDITIONENTRY         0x45B9
 128 #define MATROSKA_ID_CHAPTERATOM          0xB6
 129 #define MATROSKA_ID_CHAPTERTIMESTART     0x91
 130 #define MATROSKA_ID_CHAPTERTIMEEND       0x92
 131 #define MATROSKA_ID_CHAPTERDISPLAY       0x80
 132 #define MATROSKA_ID_CHAPSTRING           0x85
 133
 134 /* IDs in the cluster master */
 135 #define MATROSKA_ID_CLUSTERTIMECODE      0xE7
 136 #define MATROSKA_ID_BLOCKGROUP           0xA0
 137
 138 /* IDs in the blockgroup master */
 139 #define MATROSKA_ID_BLOCKDURATION        0x9B
 140 #define MATROSKA_ID_BLOCK                0xA1
 141 #define MATROSKA_ID_SIMPLEBLOCK          0xA3
 142 #define MATROSKA_ID_REFERENCEBLOCK       0xFB
 143
 144 /* IDs in the attachments master */
 145 #define MATROSKA_ID_ATTACHEDFILE         0x61A7
 146 #define MATROSKA_ID_FILENAME             0x466E
 147 #define MATROSKA_ID_FILEMIMETYPE         0x4660
 148 #define MATROSKA_ID_FILEDATA             0x465C
 149 #define MATROSKA_ID_FILEUID              0x46AE
 150
 151 /* matroska track types */
 152 #define MATROSKA_TRACK_VIDEO    0x01 /* rectangle-shaped pictures aka video */
 153 #define MATROSKA_TRACK_AUDIO    0x02 /* anything you can hear */
 154 #define MATROSKA_TRACK_COMPLEX  0x03 /* audio+video in same track used by DV */
 155 #define MATROSKA_TRACK_LOGO     0x10 /* overlay-pictures displayed over video*/
 156 #define MATROSKA_TRACK_SUBTITLE 0x11 /* text-subtitles */
 157 #define MATROSKA_TRACK_CONTROL  0x20 /* control-codes for menu or other stuff*/
 158
 159 /* matroska subtitle types */
 160 #define MATROSKA_SUBTYPE_UNKNOWN   0
 161 #define MATROSKA_SUBTYPE_TEXT      1
 162 #define MATROSKA_SUBTYPE_SSA       2
 163 #define MATROSKA_SUBTYPE_VOBSUB    3
 164
 165 #ifndef UINT64_MAX
 166 #define UINT64_MAX 18446744073709551615ULL
 167 #endif
 168
 169 #ifndef INT64_MAX
 170 #define INT64_MAX 9223372036854775807LL
 171 #endif
 172
 173 #define EBML_UINT_INVALID   UINT64_MAX
 174 #define EBML_INT_INVALID    INT64_MAX
 175 #define EBML_FLOAT_INVALID  -1000000000.0
 176
 177
 178 uint32_t ebml_read_id (stream_t *s, int *length);
 179 uint64_t ebml_read_vlen_uint (uint8_t *buffer, int *length);
 180 int64_t ebml_read_vlen_int (uint8_t *buffer, int *length);
 181 uint64_t ebml_read_length (stream_t *s, int *length);
 182 uint64_t ebml_read_uint (stream_t *s, uint64_t *length);
 183 int64_t ebml_read_int (stream_t *s, uint64_t *length);
 184 long double ebml_read_float (stream_t *s, uint64_t *length);
 185 char *ebml_read_ascii (stream_t *s, uint64_t *length);
 186 char *ebml_read_utf8 (stream_t *s, uint64_t *length);
 187 int ebml_read_skip (stream_t *s, uint64_t *length);
 188 uint32_t ebml_read_master (stream_t *s, uint64_t *length);
 189 char *ebml_read_header (stream_t *s, int *version);
 190
 191 #endif /* EBML_H */