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