mirror of https://github.com/mpv-player/mpv
183 lines
6.3 KiB
C
183 lines
6.3 KiB
C
#ifndef __EBML_H
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#define __EBML_H
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#include <inttypes.h>
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/* EBML version supported */
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#define EBML_VERSION 1
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/*
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* EBML element IDs. max. 32-bit.
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*/
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/* top-level master-IDs */
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#define EBML_ID_HEADER 0x1A45DFA3
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/* IDs in the HEADER master */
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#define EBML_ID_EBMLVERSION 0x4286
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#define EBML_ID_EBMLREADVERSION 0x42F7
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#define EBML_ID_EBMLMAXIDLENGTH 0x42F2
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#define EBML_ID_EBMLMAXSIZELENGTH 0x42F3
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#define EBML_ID_DOCTYPE 0x4282
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#define EBML_ID_DOCTYPEVERSION 0x4287
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#define EBML_ID_DOCTYPEREADVERSION 0x4285
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/* general EBML types */
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#define EBML_ID_VOID 0xEC
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/* ID returned in error cases */
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#define EBML_ID_INVALID 0xFFFFFFFF
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/*
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* Matroska element IDs. max. 32-bit.
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*/
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/* toplevel segment */
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#define MATROSKA_ID_SEGMENT 0x18538067
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/* matroska top-level master IDs */
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#define MATROSKA_ID_INFO 0x1549A966
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#define MATROSKA_ID_TRACKS 0x1654AE6B
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#define MATROSKA_ID_CUES 0x1C53BB6B
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#define MATROSKA_ID_TAGS 0x1254C367
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#define MATROSKA_ID_SEEKHEAD 0x114D9B74
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#define MATROSKA_ID_ATTACHMENTS 0x1941A469
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#define MATROSKA_ID_CHAPTERS 0x1043A770
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#define MATROSKA_ID_CLUSTER 0x1F43B675
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/* IDs in the info master */
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#define MATROSKA_ID_TIMECODESCALE 0x2AD7B1
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#define MATROSKA_ID_DURATION 0x4489
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#define MATROSKA_ID_WRITINGAPP 0x5741
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#define MATROSKA_ID_MUXINGAPP 0x4D80
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#define MATROSKA_ID_DATEUTC 0x4461
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/* ID in the tracks master */
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#define MATROSKA_ID_TRACKENTRY 0xAE
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/* IDs in the trackentry master */
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#define MATROSKA_ID_TRACKNUMBER 0xD7
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#define MATROSKA_ID_TRACKUID 0x73C5
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#define MATROSKA_ID_TRACKTYPE 0x83
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#define MATROSKA_ID_TRACKAUDIO 0xE1
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#define MATROSKA_ID_TRACKVIDEO 0xE0
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#define MATROSKA_ID_CODECID 0x86
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#define MATROSKA_ID_CODECPRIVATE 0x63A2
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#define MATROSKA_ID_CODECNAME 0x258688
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#define MATROSKA_ID_CODECINFOURL 0x3B4040
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#define MATROSKA_ID_CODECDOWNLOADURL 0x26B240
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#define MATROSKA_ID_TRACKNAME 0x536E
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#define MATROSKA_ID_TRACKLANGUAGE 0x22B59C
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#define MATROSKA_ID_TRACKFLAGENABLED 0xB9
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#define MATROSKA_ID_TRACKFLAGDEFAULT 0x88
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#define MATROSKA_ID_TRACKFLAGLACING 0x9C
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#define MATROSKA_ID_TRACKMINCACHE 0x6DE7
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#define MATROSKA_ID_TRACKMAXCACHE 0x6DF8
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#define MATROSKA_ID_TRACKDEFAULTDURATION 0x23E383
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#define MATROSKA_ID_TRACKENCODINGS 0x6D80
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/* IDs in the trackaudio master */
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#define MATROSKA_ID_AUDIOSAMPLINGFREQ 0xB5
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#define MATROSKA_ID_AUDIOBITDEPTH 0x6264
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#define MATROSKA_ID_AUDIOCHANNELS 0x9F
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/* IDs in the trackvideo master */
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#define MATROSKA_ID_VIDEOFRAMERATE 0x2383E3
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#define MATROSKA_ID_VIDEODISPLAYWIDTH 0x54B0
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#define MATROSKA_ID_VIDEODISPLAYHEIGHT 0x54BA
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#define MATROSKA_ID_VIDEOPIXELWIDTH 0xB0
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#define MATROSKA_ID_VIDEOPIXELHEIGHT 0xBA
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#define MATROSKA_ID_VIDEOFLAGINTERLACED 0x9A
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#define MATROSKA_ID_VIDEOSTEREOMODE 0x53B9
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#define MATROSKA_ID_VIDEODISPLAYUNIT 0x54B2
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#define MATROSKA_ID_VIDEOASPECTRATIO 0x54B3
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#define MATROSKA_ID_VIDEOCOLOURSPACE 0x2EB524
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#define MATROSKA_ID_VIDEOGAMMA 0x2FB523
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/* IDs in the trackencodings master */
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#define MATROSKA_ID_CONTENTENCODING 0x6240
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#define MATROSKA_ID_CONTENTENCODINGORDER 0x5031
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#define MATROSKA_ID_CONTENTENCODINGSCOPE 0x5032
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#define MATROSKA_ID_CONTENTENCODINGTYPE 0x5033
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#define MATROSKA_ID_CONTENTCOMPRESSION 0x5034
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#define MATROSKA_ID_CONTENTCOMPALGO 0x4254
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#define MATROSKA_ID_CONTENTCOMPSETTINGS 0x4255
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/* ID in the cues master */
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#define MATROSKA_ID_POINTENTRY 0xBB
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/* IDs in the pointentry master */
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#define MATROSKA_ID_CUETIME 0xB3
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#define MATROSKA_ID_CUETRACKPOSITION 0xB7
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/* IDs in the cuetrackposition master */
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#define MATROSKA_ID_CUETRACK 0xF7
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#define MATROSKA_ID_CUECLUSTERPOSITION 0xF1
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/* IDs in the seekhead master */
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#define MATROSKA_ID_SEEKENTRY 0x4DBB
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/* IDs in the seekpoint master */
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#define MATROSKA_ID_SEEKID 0x53AB
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#define MATROSKA_ID_SEEKPOSITION 0x53AC
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/* IDs in the chapters master */
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#define MATROSKA_ID_EDITIONENTRY 0x45B9
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#define MATROSKA_ID_CHAPTERATOM 0xB6
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#define MATROSKA_ID_CHAPTERTIMESTART 0x91
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#define MATROSKA_ID_CHAPTERTIMEEND 0x92
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/* IDs in the cluster master */
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#define MATROSKA_ID_CLUSTERTIMECODE 0xE7
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#define MATROSKA_ID_BLOCKGROUP 0xA0
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/* IDs in the blockgroup master */
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#define MATROSKA_ID_BLOCKDURATION 0x9B
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#define MATROSKA_ID_BLOCK 0xA1
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#define MATROSKA_ID_REFERENCEBLOCK 0xFB
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/* matroska track types */
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#define MATROSKA_TRACK_VIDEO 0x01 /* rectangle-shaped pictures aka video */
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#define MATROSKA_TRACK_AUDIO 0x02 /* anything you can hear */
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#define MATROSKA_TRACK_COMPLEX 0x03 /* audio+video in same track used by DV */
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#define MATROSKA_TRACK_LOGO 0x10 /* overlay-pictures displayed over video*/
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#define MATROSKA_TRACK_SUBTITLE 0x11 /* text-subtitles */
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#define MATROSKA_TRACK_CONTROL 0x20 /* control-codes for menu or other stuff*/
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/* matroska subtitle types */
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#define MATROSKA_SUBTYPE_UNKNOWN 0
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#define MATROSKA_SUBTYPE_TEXT 1
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#define MATROSKA_SUBTYPE_SSA 2
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#define MATROSKA_SUBTYPE_VOBSUB 3
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#ifndef UINT64_MAX
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#define UINT64_MAX 18446744073709551615ULL
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#endif
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#ifndef INT64_MAX
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#define INT64_MAX 9223372036854775807LL
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#endif
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#define EBML_UINT_INVALID UINT64_MAX
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#define EBML_INT_INVALID INT64_MAX
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#define EBML_FLOAT_INVALID -1000000000.0
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uint32_t ebml_read_id (stream_t *s, int *length);
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uint64_t ebml_read_vlen_uint (uint8_t *buffer, int *length);
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int64_t ebml_read_vlen_int (uint8_t *buffer, int *length);
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uint64_t ebml_read_length (stream_t *s, int *length);
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uint64_t ebml_read_uint (stream_t *s, uint64_t *length);
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int64_t ebml_read_int (stream_t *s, uint64_t *length);
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long double ebml_read_float (stream_t *s, uint64_t *length);
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char *ebml_read_ascii (stream_t *s, uint64_t *length);
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char *ebml_read_utf8 (stream_t *s, uint64_t *length);
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int ebml_read_skip (stream_t *s, uint64_t *length);
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uint32_t ebml_read_master (stream_t *s, uint64_t *length);
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char *ebml_read_header (stream_t *s, int *version);
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#endif /* __EBML_H */
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