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matroskadec.c File Reference

Matroska file demuxer. More...

#include <stdio.h>
#include "avformat.h"
#include "internal.h"
#include "avio_internal.h"
#include "riff.h"
#include "isom.h"
#include "rmsipr.h"
#include "matroska.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/mpeg4audio.h"
#include "libavutil/base64.h"
#include "libavutil/intfloat.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/avstring.h"
#include "libavutil/lzo.h"
#include "libavutil/dict.h"

Go to the source code of this file.

Data Structures

struct  EbmlSyntax
 
struct  EbmlList
 
struct  EbmlBin
 
struct  Ebml
 
struct  MatroskaTrackCompression
 
struct  MatroskaTrackEncryption
 
struct  MatroskaTrackEncoding
 
struct  MatroskaTrackVideo
 
struct  MatroskaTrackAudio
 
struct  MatroskaTrackPlane
 
struct  MatroskaTrackOperation
 
struct  MatroskaTrack
 
struct  MatroskaAttachement
 
struct  MatroskaChapter
 
struct  MatroskaIndexPos
 
struct  MatroskaIndex
 
struct  MatroskaTag
 
struct  MatroskaTagTarget
 
struct  MatroskaTags
 
struct  MatroskaSeekhead
 
struct  MatroskaLevel
 
struct  MatroskaCluster
 
struct  MatroskaDemuxContext
 
struct  MatroskaBlock
 

Enumerations

enum  EbmlType {
  EBML_NONE, EBML_UINT, EBML_FLOAT, EBML_STR,
  EBML_UTF8, EBML_BIN, EBML_NEST, EBML_PASS,
  EBML_STOP, EBML_SINT, EBML_TYPE_COUNT
}
 

Functions

static int matroska_resync (MatroskaDemuxContext *matroska, int64_t last_pos)
 
static int ebml_level_end (MatroskaDemuxContext *matroska)
 
static int ebml_read_num (MatroskaDemuxContext *matroska, AVIOContext *pb, int max_size, uint64_t *number)
 
static int ebml_read_length (MatroskaDemuxContext *matroska, AVIOContext *pb, uint64_t *number)
 Read a EBML length value.
 
static int ebml_read_uint (AVIOContext *pb, int size, uint64_t *num)
 
static int ebml_read_sint (AVIOContext *pb, int size, int64_t *num)
 
static int ebml_read_float (AVIOContext *pb, int size, double *num)
 
static int ebml_read_ascii (AVIOContext *pb, int size, char **str)
 
static int ebml_read_binary (AVIOContext *pb, int length, EbmlBin *bin)
 
static int ebml_read_master (MatroskaDemuxContext *matroska, uint64_t length)
 
static int matroska_ebmlnum_uint (MatroskaDemuxContext *matroska, uint8_t *data, uint32_t size, uint64_t *num)
 
static int matroska_ebmlnum_sint (MatroskaDemuxContext *matroska, uint8_t *data, uint32_t size, int64_t *num)
 
static int ebml_parse_elem (MatroskaDemuxContext *matroska, EbmlSyntax *syntax, void *data)
 
static int ebml_parse_id (MatroskaDemuxContext *matroska, EbmlSyntax *syntax, uint32_t id, void *data)
 
static int ebml_parse (MatroskaDemuxContext *matroska, EbmlSyntax *syntax, void *data)
 
static int ebml_parse_nest (MatroskaDemuxContext *matroska, EbmlSyntax *syntax, void *data)
 
static void ebml_free (EbmlSyntax *syntax, void *data)
 
static int matroska_probe (AVProbeData *p)
 
static MatroskaTrack * matroska_find_track_by_num (MatroskaDemuxContext *matroska, int num)
 
static int matroska_decode_buffer (uint8_t **buf, int *buf_size, MatroskaTrack *track)
 
static void matroska_convert_tag (AVFormatContext *s, EbmlList *list, AVDictionary **metadata, char *prefix)
 
static void matroska_convert_tags (AVFormatContext *s)
 
static int matroska_parse_seekhead_entry (MatroskaDemuxContext *matroska, int idx)
 
static void matroska_execute_seekhead (MatroskaDemuxContext *matroska)
 
static void matroska_add_index_entries (MatroskaDemuxContext *matroska)
 
static void matroska_parse_cues (MatroskaDemuxContext *matroska)
 
static int matroska_aac_profile (char *codec_id)
 
static int matroska_aac_sri (int samplerate)
 
static void matroska_metadata_creation_time (AVDictionary **metadata, int64_t date_utc)
 
static int matroska_read_header (AVFormatContext *s)
 
static int matroska_deliver_packet (MatroskaDemuxContext *matroska, AVPacket *pkt)
 
static void matroska_clear_queue (MatroskaDemuxContext *matroska)
 
static int matroska_parse_laces (MatroskaDemuxContext *matroska, uint8_t **buf, int *buf_size, int type, uint32_t **lace_buf, int *laces)
 
static int matroska_parse_rm_audio (MatroskaDemuxContext *matroska, MatroskaTrack *track, AVStream *st, uint8_t *data, int size, uint64_t timecode, int64_t pos)
 
static int matroska_parse_wavpack (MatroskaTrack *track, uint8_t *src, uint8_t **pdst, int *size)
 
static int matroska_parse_webvtt (MatroskaDemuxContext *matroska, MatroskaTrack *track, AVStream *st, uint8_t *data, int data_len, uint64_t timecode, uint64_t duration, int64_t pos)
 
static int matroska_parse_frame (MatroskaDemuxContext *matroska, MatroskaTrack *track, AVStream *st, uint8_t *data, int pkt_size, uint64_t timecode, uint64_t lace_duration, int64_t pos, int is_keyframe, uint8_t *additional, uint64_t additional_id, int additional_size, int64_t discard_padding)
 
static int matroska_parse_block (MatroskaDemuxContext *matroska, uint8_t *data, int size, int64_t pos, uint64_t cluster_time, uint64_t block_duration, int is_keyframe, uint8_t *additional, uint64_t additional_id, int additional_size, int64_t cluster_pos, int64_t discard_padding)
 
static int matroska_parse_cluster_incremental (MatroskaDemuxContext *matroska)
 
static int matroska_parse_cluster (MatroskaDemuxContext *matroska)
 
static int matroska_read_packet (AVFormatContext *s, AVPacket *pkt)
 
static int matroska_read_seek (AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
 
static int matroska_read_close (AVFormatContext *s)
 

Variables

static EbmlSyntax ebml_header []
 
static EbmlSyntax ebml_syntax []
 
static EbmlSyntax matroska_info []
 
static EbmlSyntax matroska_track_video []
 
static EbmlSyntax matroska_track_audio []
 
static EbmlSyntax matroska_track_encoding_compression []
 
static EbmlSyntax matroska_track_encoding_encryption []
 
static EbmlSyntax matroska_track_encoding []
 
static EbmlSyntax matroska_track_encodings []
 
static EbmlSyntax matroska_track_plane []
 
static EbmlSyntax matroska_track_combine_planes []
 
static EbmlSyntax matroska_track_operation []
 
static EbmlSyntax matroska_track []
 
static EbmlSyntax matroska_tracks []
 
static EbmlSyntax matroska_attachment []
 
static EbmlSyntax matroska_attachments []
 
static EbmlSyntax matroska_chapter_display []
 
static EbmlSyntax matroska_chapter_entry []
 
static EbmlSyntax matroska_chapter []
 
static EbmlSyntax matroska_chapters []
 
static EbmlSyntax matroska_index_pos []
 
static EbmlSyntax matroska_index_entry []
 
static EbmlSyntax matroska_index []
 
static EbmlSyntax matroska_simpletag []
 
static EbmlSyntax matroska_tagtargets []
 
static EbmlSyntax matroska_tag []
 
static EbmlSyntax matroska_tags []
 
static EbmlSyntax matroska_seekhead_entry []
 
static EbmlSyntax matroska_seekhead []
 
static EbmlSyntax matroska_segment []
 
static EbmlSyntax matroska_segments []
 
static EbmlSyntax matroska_blockmore []
 
static EbmlSyntax matroska_blockadditions []
 
static EbmlSyntax matroska_blockgroup []
 
static EbmlSyntax matroska_cluster []
 
static EbmlSyntax matroska_clusters []
 
static EbmlSyntax matroska_cluster_incremental_parsing []
 
static EbmlSyntax matroska_cluster_incremental []
 
static EbmlSyntax matroska_clusters_incremental []
 
static const char *const matroska_doctypes [] = { "matroska", "webm" }
 
AVInputFormat ff_matroska_demuxer
 

Detailed Description

Matroska file demuxer.

Author
Ronald Bultje rbult.nosp@m.je@r.nosp@m.onald.nosp@m..bit.nosp@m.freak.nosp@m..net
with a little help from Moritz Bunkus morit.nosp@m.z@bu.nosp@m.nkus..nosp@m.org
totally reworked by Aurelien Jacobs aurel.nosp@m.@gnu.nosp@m.age.o.nosp@m.rg
See Also
specs available on the Matroska project page: http://www.matroska.org/

Definition in file matroskadec.c.

Enumeration Type Documentation

enum EbmlType
Enumerator:
EBML_NONE 
EBML_UINT 
EBML_FLOAT 
EBML_STR 
EBML_UTF8 
EBML_BIN 
EBML_NEST 
EBML_PASS 
EBML_STOP 
EBML_SINT 
EBML_TYPE_COUNT 

Definition at line 55 of file matroskadec.c.

Function Documentation

static int matroska_resync ( MatroskaDemuxContext *  matroska,
int64_t  last_pos 
)
static

Definition at line 634 of file matroskadec.c.

Referenced by matroska_read_header(), and matroska_read_packet().

static int ebml_level_end ( MatroskaDemuxContext *  matroska)
static

Definition at line 666 of file matroskadec.c.

Referenced by ebml_parse_nest(), and matroska_parse_cluster_incremental().

static int ebml_read_num ( MatroskaDemuxContext *  matroska,
AVIOContext *  pb,
int  max_size,
uint64_t *  number 
)
static

Definition at line 689 of file matroskadec.c.

Referenced by ebml_parse(), ebml_read_length(), and matroska_ebmlnum_uint().

static int ebml_read_length ( MatroskaDemuxContext *  matroska,
AVIOContext *  pb,
uint64_t *  number 
)
static

Read a EBML length value.

This needs special handling for the "unknown length" case which has multiple encodings.

Definition at line 735 of file matroskadec.c.

Referenced by ebml_parse_elem().

static int ebml_read_uint ( AVIOContext *  pb,
int  size,
uint64_t *  num 
)
static

Definition at line 748 of file matroskadec.c.

Referenced by ebml_parse_elem().

static int ebml_read_sint ( AVIOContext *  pb,
int  size,
int64_t *  num 
)
static

Definition at line 767 of file matroskadec.c.

Referenced by ebml_parse_elem().

static int ebml_read_float ( AVIOContext *  pb,
int  size,
double *  num 
)
static

Definition at line 791 of file matroskadec.c.

Referenced by ebml_parse_elem().

static int ebml_read_ascii ( AVIOContext *  pb,
int  size,
char **  str 
)
static

Definition at line 809 of file matroskadec.c.

Referenced by ebml_parse_elem().

static int ebml_read_binary ( AVIOContext *  pb,
int  length,
EbmlBin *  bin 
)
static

Definition at line 832 of file matroskadec.c.

Referenced by ebml_parse_elem().

static int ebml_read_master ( MatroskaDemuxContext *  matroska,
uint64_t  length 
)
static

Definition at line 854 of file matroskadec.c.

Referenced by ebml_parse_elem().

static int matroska_ebmlnum_uint ( MatroskaDemuxContext *  matroska,
uint8_t *  data,
uint32_t  size,
uint64_t *  num 
)
static

Definition at line 876 of file matroskadec.c.

Referenced by matroska_ebmlnum_sint(), matroska_parse_block(), and matroska_parse_laces().

static int matroska_ebmlnum_sint ( MatroskaDemuxContext *  matroska,
uint8_t *  data,
uint32_t  size,
int64_t *  num 
)
static

Definition at line 887 of file matroskadec.c.

Referenced by matroska_parse_laces().

static int ebml_parse_elem ( MatroskaDemuxContext *  matroska,
EbmlSyntax *  syntax,
void *  data 
)
static

Definition at line 969 of file matroskadec.c.

Referenced by ebml_parse_id().

static int ebml_parse_id ( MatroskaDemuxContext *  matroska,
EbmlSyntax *  syntax,
uint32_t  id,
void *  data 
)
static

Definition at line 906 of file matroskadec.c.

Referenced by ebml_parse(), and ebml_parse_elem().

static int ebml_parse ( MatroskaDemuxContext *  matroska,
EbmlSyntax *  syntax,
void *  data 
)
static

Definition at line 925 of file matroskadec.c.

Referenced by ebml_parse_nest(), matroska_parse_cluster(), matroska_parse_cluster_incremental(), matroska_parse_seekhead_entry(), and matroska_read_header().

static int ebml_parse_nest ( MatroskaDemuxContext *  matroska,
EbmlSyntax *  syntax,
void *  data 
)
static

Definition at line 938 of file matroskadec.c.

Referenced by ebml_parse_elem().

static void ebml_free ( EbmlSyntax *  syntax,
void *  data 
)
static

Definition at line 1038 of file matroskadec.c.

Referenced by matroska_parse_cluster(), matroska_parse_cluster_incremental(), matroska_read_close(), and matroska_read_header().

static int matroska_probe ( AVProbeData *  p)
static

Definition at line 1065 of file matroskadec.c.

static MatroskaTrack* matroska_find_track_by_num ( MatroskaDemuxContext *  matroska,
int  num 
)
static

Definition at line 1107 of file matroskadec.c.

Referenced by matroska_add_index_entries(), and matroska_parse_block().

static int matroska_decode_buffer ( uint8_t **  buf,
int *  buf_size,
MatroskaTrack *  track 
)
static

Definition at line 1121 of file matroskadec.c.

Referenced by matroska_parse_frame(), and matroska_read_header().

static void matroska_convert_tag ( AVFormatContext *  s,
EbmlList *  list,
AVDictionary **  metadata,
char *  prefix 
)
static

Definition at line 1306 of file matroskadec.c.

Referenced by matroska_convert_tags().

static void matroska_convert_tags ( AVFormatContext *  s)
static

Definition at line 1339 of file matroskadec.c.

static int matroska_parse_seekhead_entry ( MatroskaDemuxContext *  matroska,
int  idx 
)
static

Definition at line 1373 of file matroskadec.c.

Referenced by matroska_execute_seekhead(), and matroska_parse_cues().

static void matroska_execute_seekhead ( MatroskaDemuxContext *  matroska)
static

Definition at line 1424 of file matroskadec.c.

Referenced by matroska_read_header().

static void matroska_add_index_entries ( MatroskaDemuxContext *  matroska)
static

Definition at line 1454 of file matroskadec.c.

Referenced by matroska_parse_cues().

static void matroska_parse_cues ( MatroskaDemuxContext *  matroska)
static

Definition at line 1481 of file matroskadec.c.

Referenced by matroska_read_seek().

static int matroska_aac_profile ( char *  codec_id)
static

Definition at line 1496 of file matroskadec.c.

Referenced by matroska_read_header().

static int matroska_aac_sri ( int  samplerate)
static

Definition at line 1507 of file matroskadec.c.

Referenced by matroska_read_header().

static void matroska_metadata_creation_time ( AVDictionary **  metadata,
int64_t  date_utc 
)
static

Definition at line 1517 of file matroskadec.c.

Referenced by matroska_read_header().

static int matroska_read_header ( AVFormatContext *  s)
static

Definition at line 1528 of file matroskadec.c.

static int matroska_deliver_packet ( MatroskaDemuxContext *  matroska,
AVPacket *  pkt 
)
static

Definition at line 2020 of file matroskadec.c.

Referenced by matroska_read_packet().

static void matroska_clear_queue ( MatroskaDemuxContext *  matroska)
static

Definition at line 2048 of file matroskadec.c.

Referenced by matroska_read_close(), and matroska_read_seek().

static int matroska_parse_laces ( MatroskaDemuxContext *  matroska,
uint8_t **  buf,
int *  buf_size,
int  type,
uint32_t **  lace_buf,
int *  laces 
)
static

Definition at line 2062 of file matroskadec.c.

Referenced by matroska_parse_block().

static int matroska_parse_rm_audio ( MatroskaDemuxContext *  matroska,
MatroskaTrack *  track,
AVStream *  st,
uint8_t *  data,
int  size,
uint64_t  timecode,
int64_t  pos 
)
static

Definition at line 2169 of file matroskadec.c.

Referenced by matroska_parse_block().

static int matroska_parse_wavpack ( MatroskaTrack *  track,
uint8_t *  src,
uint8_t **  pdst,
int *  size 
)
static

Definition at line 2240 of file matroskadec.c.

Referenced by matroska_parse_frame().

static int matroska_parse_webvtt ( MatroskaDemuxContext *  matroska,
MatroskaTrack *  track,
AVStream *  st,
uint8_t *  data,
int  data_len,
uint64_t  timecode,
uint64_t  duration,
int64_t  pos 
)
static

Definition at line 2320 of file matroskadec.c.

Referenced by matroska_parse_block().

static int matroska_parse_frame ( MatroskaDemuxContext *  matroska,
MatroskaTrack *  track,
AVStream *  st,
uint8_t *  data,
int  pkt_size,
uint64_t  timecode,
uint64_t  lace_duration,
int64_t  pos,
int  is_keyframe,
uint8_t *  additional,
uint64_t  additional_id,
int  additional_size,
int64_t  discard_padding 
)
static

Definition at line 2434 of file matroskadec.c.

Referenced by matroska_parse_block().

static int matroska_parse_block ( MatroskaDemuxContext *  matroska,
uint8_t *  data,
int  size,
int64_t  pos,
uint64_t  cluster_time,
uint64_t  block_duration,
int  is_keyframe,
uint8_t *  additional,
uint64_t  additional_id,
int  additional_size,
int64_t  cluster_pos,
int64_t  discard_padding 
)
static

Definition at line 2574 of file matroskadec.c.

Referenced by matroska_parse_cluster(), and matroska_parse_cluster_incremental().

static int matroska_parse_cluster_incremental ( MatroskaDemuxContext *  matroska)
static

Definition at line 2707 of file matroskadec.c.

Referenced by matroska_parse_cluster().

static int matroska_parse_cluster ( MatroskaDemuxContext *  matroska)
static

Definition at line 2766 of file matroskadec.c.

Referenced by matroska_read_packet(), and matroska_read_seek().

static int matroska_read_packet ( AVFormatContext *  s,
AVPacket *  pkt 
)
static

Definition at line 2795 of file matroskadec.c.

static int matroska_read_seek ( AVFormatContext *  s,
int  stream_index,
int64_t  timestamp,
int  flags 
)
static

Definition at line 2810 of file matroskadec.c.

static int matroska_read_close ( AVFormatContext *  s)
static

Definition at line 2885 of file matroskadec.c.

Variable Documentation

EbmlSyntax ebml_header[]
static
Initial value:
= {
{ EBML_ID_EBMLREADVERSION, EBML_UINT, 0, 0x42, {.u=EBML_VERSION} },
{ EBML_ID_EBMLMAXSIZELENGTH, EBML_UINT, 0, 0x42, {.u=8} },
{ EBML_ID_EBMLMAXIDLENGTH, EBML_UINT, 0, 0x42, {.u=4} },
{ EBML_ID_DOCTYPE, EBML_STR, 0, 0x42, {.s="(none)"} },
{ EBML_ID_DOCTYPEREADVERSION, EBML_UINT, 0, 0x42, {.u=1} },
{ EBML_ID_EBMLVERSION, EBML_NONE },
{ EBML_ID_DOCTYPEVERSION, EBML_NONE },
{ 0 }
}

Definition at line 300 of file matroskadec.c.

Referenced by mkv_write_header().

EbmlSyntax ebml_syntax[]
static
Initial value:
= {
{ EBML_ID_HEADER, EBML_NEST, 0, 0, {.n=ebml_header} },
{ 0 }
}

Definition at line 311 of file matroskadec.c.

EbmlSyntax matroska_info[]
static
Initial value:
= {
{ MATROSKA_ID_TIMECODESCALE, EBML_UINT, 0, 0x42, {.u=1000000} },
{ MATROSKA_ID_DURATION, EBML_FLOAT, 0, 0x42 },
{ MATROSKA_ID_TITLE, EBML_UTF8, 0, 0x42 },
{ MATROSKA_ID_WRITINGAPP, EBML_NONE },
{ MATROSKA_ID_MUXINGAPP, EBML_UTF8, 0, 0x42 },
{ MATROSKA_ID_DATEUTC, EBML_BIN, 0, 0x42 },
{ MATROSKA_ID_SEGMENTUID, EBML_NONE },
{ 0 }
}

Definition at line 316 of file matroskadec.c.

EbmlSyntax matroska_track_video[]
static
Initial value:
= {
{ MATROSKA_ID_VIDEOFRAMERATE, EBML_FLOAT,0, 0x42 },
{ MATROSKA_ID_VIDEODISPLAYWIDTH, EBML_UINT, 0, 0x42, {.u=-1} },
{ MATROSKA_ID_VIDEODISPLAYHEIGHT, EBML_UINT, 0, 0x42, {.u=-1} },
{ MATROSKA_ID_VIDEOPIXELWIDTH, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_VIDEOPIXELHEIGHT, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_VIDEOCOLORSPACE, EBML_BIN, 0, 0x42 },
{ MATROSKA_ID_VIDEOSTEREOMODE, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_VIDEOALPHAMODE, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_VIDEOPIXELCROPB, EBML_NONE },
{ MATROSKA_ID_VIDEOPIXELCROPT, EBML_NONE },
{ MATROSKA_ID_VIDEOPIXELCROPL, EBML_NONE },
{ MATROSKA_ID_VIDEOPIXELCROPR, EBML_NONE },
{ MATROSKA_ID_VIDEODISPLAYUNIT, EBML_NONE },
{ MATROSKA_ID_VIDEOFLAGINTERLACED,EBML_NONE },
{ MATROSKA_ID_VIDEOASPECTRATIO, EBML_NONE },
{ 0 }
}

Definition at line 327 of file matroskadec.c.

EbmlSyntax matroska_track_audio[]
static
Initial value:
= {
{ MATROSKA_ID_AUDIOSAMPLINGFREQ, EBML_FLOAT,0, 0x42, {.f=8000.0} },
{ MATROSKA_ID_AUDIOOUTSAMPLINGFREQ,EBML_FLOAT,0,0x42 },
{ MATROSKA_ID_AUDIOBITDEPTH, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_AUDIOCHANNELS, EBML_UINT, 0, 0x42, {.u=1} },
{ 0 }
}

Definition at line 346 of file matroskadec.c.

EbmlSyntax matroska_track_encoding_compression[]
static
Initial value:
= {
{ MATROSKA_ID_ENCODINGCOMPALGO, EBML_UINT, 0, 0x42, {.u=0} },
{ MATROSKA_ID_ENCODINGCOMPSETTINGS,EBML_BIN, 0, 0x42 },
{ 0 }
}

Definition at line 354 of file matroskadec.c.

EbmlSyntax matroska_track_encoding_encryption[]
static
Initial value:
= {
{ MATROSKA_ID_ENCODINGENCALGO, EBML_UINT, 0, 0x42, {.u=0} },
{ MATROSKA_ID_ENCODINGENCKEYID, EBML_BIN, 0, 0x42 },
{ MATROSKA_ID_ENCODINGENCAESSETTINGS, EBML_NONE },
{ MATROSKA_ID_ENCODINGSIGALGO, EBML_NONE },
{ MATROSKA_ID_ENCODINGSIGHASHALGO, EBML_NONE },
{ MATROSKA_ID_ENCODINGSIGKEYID, EBML_NONE },
{ MATROSKA_ID_ENCODINGSIGNATURE, EBML_NONE },
{ 0 }
}

Definition at line 360 of file matroskadec.c.

EbmlSyntax matroska_track_encoding[]
static
Initial value:
= {
{ MATROSKA_ID_ENCODINGSCOPE, EBML_UINT, 0, 0x42, {.u=1} },
{ MATROSKA_ID_ENCODINGTYPE, EBML_UINT, 0, 0x42, {.u=0} },
{ MATROSKA_ID_ENCODINGCOMPRESSION,EBML_NEST, 0, 0x42, {.n=matroska_track_encoding_compression} },
{ MATROSKA_ID_ENCODINGENCRYPTION, EBML_NEST, 0, 0x42, {.n=matroska_track_encoding_encryption} },
{ MATROSKA_ID_ENCODINGORDER, EBML_NONE },
{ 0 }
}

Definition at line 370 of file matroskadec.c.

EbmlSyntax matroska_track_encodings[]
static
Initial value:
= {
{ MATROSKA_ID_TRACKCONTENTENCODING, EBML_NEST, sizeof(MatroskaTrackEncoding), 0x42, {.n=matroska_track_encoding} },
{ 0 }
}

Definition at line 379 of file matroskadec.c.

EbmlSyntax matroska_track_plane[]
static
Initial value:
= {
{ MATROSKA_ID_TRACKPLANEUID, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_TRACKPLANETYPE, EBML_UINT, 0, 0x42 },
{ 0 }
}

Definition at line 384 of file matroskadec.c.

EbmlSyntax matroska_track_combine_planes[]
static
Initial value:
= {
{ MATROSKA_ID_TRACKPLANE, EBML_NEST, sizeof(MatroskaTrackPlane), 0x42, {.n=matroska_track_plane} },
{ 0 }
}

Definition at line 390 of file matroskadec.c.

EbmlSyntax matroska_track_operation[]
static
Initial value:
= {
{ MATROSKA_ID_TRACKCOMBINEPLANES, EBML_NEST, 0, 0, {.n=matroska_track_combine_planes} },
{ 0 }
}

Definition at line 395 of file matroskadec.c.

EbmlSyntax matroska_track[]
static
Initial value:
= {
{ MATROSKA_ID_TRACKNUMBER, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_TRACKNAME, EBML_UTF8, 0, 0x42 },
{ MATROSKA_ID_TRACKUID, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_TRACKTYPE, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_CODECID, EBML_STR, 0, 0x42 },
{ MATROSKA_ID_CODECPRIVATE, EBML_BIN, 0, 0x42 },
{ MATROSKA_ID_TRACKLANGUAGE, EBML_UTF8, 0, 0x42, {.s="eng"} },
{ MATROSKA_ID_TRACKDEFAULTDURATION, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_TRACKTIMECODESCALE, EBML_FLOAT,0, 0x42, {.f=1.0} },
{ MATROSKA_ID_TRACKFLAGDEFAULT, EBML_UINT, 0, 0x42, {.u=1} },
{ MATROSKA_ID_TRACKFLAGFORCED, EBML_UINT, 0, 0x42, {.u=0} },
{ MATROSKA_ID_TRACKVIDEO, EBML_NEST, 0, 0x42, {.n=matroska_track_video} },
{ MATROSKA_ID_TRACKAUDIO, EBML_NEST, 0, 0x42, {.n=matroska_track_audio} },
{ MATROSKA_ID_TRACKOPERATION, EBML_NEST, 0, 0x42, {.n=matroska_track_operation} },
{ MATROSKA_ID_TRACKCONTENTENCODINGS,EBML_NEST, 0, 0, {.n=matroska_track_encodings} },
{ MATROSKA_ID_TRACKMAXBLKADDID, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_CODECDELAY, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_SEEKPREROLL, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_TRACKFLAGENABLED, EBML_NONE },
{ MATROSKA_ID_TRACKFLAGLACING, EBML_NONE },
{ MATROSKA_ID_CODECNAME, EBML_NONE },
{ MATROSKA_ID_CODECDECODEALL, EBML_NONE },
{ MATROSKA_ID_CODECINFOURL, EBML_NONE },
{ MATROSKA_ID_CODECDOWNLOADURL, EBML_NONE },
{ MATROSKA_ID_TRACKMINCACHE, EBML_NONE },
{ MATROSKA_ID_TRACKMAXCACHE, EBML_NONE },
{ 0 }
}

Definition at line 400 of file matroskadec.c.

EbmlSyntax matroska_tracks[]
static
Initial value:
= {
{ MATROSKA_ID_TRACKENTRY, EBML_NEST, sizeof(MatroskaTrack), 0x42, {.n=matroska_track} },
{ 0 }
}

Definition at line 430 of file matroskadec.c.

EbmlSyntax matroska_attachment[]
static
Initial value:
= {
{ MATROSKA_ID_FILEUID, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_FILENAME, EBML_UTF8, 0, 0x42 },
{ MATROSKA_ID_FILEMIMETYPE, EBML_STR, 0, 0x42 },
{ MATROSKA_ID_FILEDATA, EBML_BIN, 0, 0x42 },
{ MATROSKA_ID_FILEDESC, EBML_NONE },
{ 0 }
}

Definition at line 435 of file matroskadec.c.

EbmlSyntax matroska_attachments[]
static
Initial value:
= {
{ MATROSKA_ID_ATTACHEDFILE, EBML_NEST, sizeof(MatroskaAttachement), 0x42, {.n=matroska_attachment} },
{ 0 }
}

Definition at line 444 of file matroskadec.c.

EbmlSyntax matroska_chapter_display[]
static
Initial value:
= {
{ MATROSKA_ID_CHAPSTRING, EBML_UTF8, 0, 0x42 },
{ MATROSKA_ID_CHAPLANG, EBML_NONE },
{ 0 }
}

Definition at line 449 of file matroskadec.c.

EbmlSyntax matroska_chapter_entry[]
static
Initial value:
= {
{ MATROSKA_ID_CHAPTERTIMESTART, EBML_UINT, 0, 0x42, {.u=AV_NOPTS_VALUE} },
{ MATROSKA_ID_CHAPTERTIMEEND, EBML_UINT, 0, 0x42, {.u=AV_NOPTS_VALUE} },
{ MATROSKA_ID_CHAPTERUID, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_CHAPTERDISPLAY, EBML_NEST, 0, 0, {.n=matroska_chapter_display} },
{ MATROSKA_ID_CHAPTERFLAGHIDDEN, EBML_NONE },
{ MATROSKA_ID_CHAPTERFLAGENABLED, EBML_NONE },
{ MATROSKA_ID_CHAPTERPHYSEQUIV, EBML_NONE },
{ MATROSKA_ID_CHAPTERATOM, EBML_NONE },
{ 0 }
}

Definition at line 455 of file matroskadec.c.

EbmlSyntax matroska_chapter[]
static
Initial value:
= {
{ MATROSKA_ID_CHAPTERATOM, EBML_NEST, sizeof(MatroskaChapter), 0x42, {.n=matroska_chapter_entry} },
{ MATROSKA_ID_EDITIONUID, EBML_NONE },
{ MATROSKA_ID_EDITIONFLAGHIDDEN, EBML_NONE },
{ MATROSKA_ID_EDITIONFLAGDEFAULT, EBML_NONE },
{ MATROSKA_ID_EDITIONFLAGORDERED, EBML_NONE },
{ 0 }
}

Definition at line 467 of file matroskadec.c.

EbmlSyntax matroska_chapters[]
static
Initial value:
= {
{ MATROSKA_ID_EDITIONENTRY, EBML_NEST, 0, 0, {.n=matroska_chapter} },
{ 0 }
}

Definition at line 476 of file matroskadec.c.

EbmlSyntax matroska_index_pos[]
static
Initial value:
= {
{ MATROSKA_ID_CUETRACK, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_CUECLUSTERPOSITION, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_CUERELATIVEPOSITION,EBML_NONE },
{ MATROSKA_ID_CUEDURATION, EBML_NONE },
{ MATROSKA_ID_CUEBLOCKNUMBER, EBML_NONE },
{ 0 }
}

Definition at line 481 of file matroskadec.c.

EbmlSyntax matroska_index_entry[]
static
Initial value:
= {
{ MATROSKA_ID_CUETIME, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_CUETRACKPOSITION, EBML_NEST, sizeof(MatroskaIndexPos), 0x42, {.n=matroska_index_pos} },
{ 0 }
}

Definition at line 490 of file matroskadec.c.

EbmlSyntax matroska_index[]
static
Initial value:
= {
{ MATROSKA_ID_POINTENTRY, EBML_NEST, sizeof(MatroskaIndex), 0x42, {.n=matroska_index_entry} },
{ 0 }
}

Definition at line 496 of file matroskadec.c.

EbmlSyntax matroska_simpletag[]
static
Initial value:
= {
{ MATROSKA_ID_TAGNAME, EBML_UTF8, 0, 0x42 },
{ MATROSKA_ID_TAGSTRING, EBML_UTF8, 0, 0x42 },
{ MATROSKA_ID_TAGLANG, EBML_STR, 0, 0x42, {.s="und"} },
{ MATROSKA_ID_TAGDEFAULT, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_TAGDEFAULT_BUG, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_SIMPLETAG, EBML_NEST, sizeof(MatroskaTag), 0x42, {.n=matroska_simpletag} },
{ 0 }
}

Definition at line 501 of file matroskadec.c.

EbmlSyntax matroska_tagtargets[]
static
Initial value:
= {
{ MATROSKA_ID_TAGTARGETS_TYPE, EBML_STR, 0, 0x42 },
{ MATROSKA_ID_TAGTARGETS_TYPEVALUE, EBML_UINT, 0, 0x42, {.u=50} },
{ MATROSKA_ID_TAGTARGETS_TRACKUID, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_TAGTARGETS_CHAPTERUID,EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_TAGTARGETS_ATTACHUID, EBML_UINT, 0, 0x42 },
{ 0 }
}

Definition at line 511 of file matroskadec.c.

EbmlSyntax matroska_tag[]
static
Initial value:
= {
{ MATROSKA_ID_SIMPLETAG, EBML_NEST, sizeof(MatroskaTag), 0x42, {.n=matroska_simpletag} },
{ MATROSKA_ID_TAGTARGETS, EBML_NEST, 0, 0x42, {.n=matroska_tagtargets} },
{ 0 }
}

Definition at line 520 of file matroskadec.c.

EbmlSyntax matroska_tags[]
static
Initial value:
= {
{ MATROSKA_ID_TAG, EBML_NEST, sizeof(MatroskaTags), 0x42, {.n=matroska_tag} },
{ 0 }
}

Definition at line 526 of file matroskadec.c.

EbmlSyntax matroska_seekhead_entry[]
static
Initial value:
= {
{ MATROSKA_ID_SEEKID, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_SEEKPOSITION, EBML_UINT, 0, 0x42, {.u=-1} },
{ 0 }
}

Definition at line 531 of file matroskadec.c.

EbmlSyntax matroska_seekhead[]
static
Initial value:
= {
{ MATROSKA_ID_SEEKENTRY, EBML_NEST, sizeof(MatroskaSeekhead), 0x42, {.n=matroska_seekhead_entry} },
{ 0 }
}

Definition at line 537 of file matroskadec.c.

EbmlSyntax matroska_segment[]
static
Initial value:
= {
{ MATROSKA_ID_INFO, EBML_NEST, 0, 0, {.n=matroska_info } },
{ MATROSKA_ID_TRACKS, EBML_NEST, 0, 0, {.n=matroska_tracks } },
{ MATROSKA_ID_ATTACHMENTS, EBML_NEST, 0, 0, {.n=matroska_attachments} },
{ MATROSKA_ID_CHAPTERS, EBML_NEST, 0, 0, {.n=matroska_chapters } },
{ MATROSKA_ID_CUES, EBML_NEST, 0, 0, {.n=matroska_index } },
{ MATROSKA_ID_TAGS, EBML_NEST, 0, 0, {.n=matroska_tags } },
{ MATROSKA_ID_SEEKHEAD, EBML_NEST, 0, 0, {.n=matroska_seekhead } },
{ MATROSKA_ID_CLUSTER, EBML_STOP },
{ 0 }
}

Definition at line 542 of file matroskadec.c.

EbmlSyntax matroska_segments[]
static
Initial value:
= {
{ MATROSKA_ID_SEGMENT, EBML_NEST, 0, 0, {.n=matroska_segment } },
{ 0 }
}

Definition at line 554 of file matroskadec.c.

EbmlSyntax matroska_blockmore[]
static
Initial value:
= {
{ MATROSKA_ID_BLOCKADDID, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_BLOCKADDITIONAL, EBML_BIN, 0, 0x42 },
{ 0 }
}

Definition at line 559 of file matroskadec.c.

EbmlSyntax matroska_blockadditions[]
static
Initial value:
= {
{ MATROSKA_ID_BLOCKMORE, EBML_NEST, 0, 0, {.n=matroska_blockmore} },
{ 0 }
}

Definition at line 565 of file matroskadec.c.

EbmlSyntax matroska_blockgroup[]
static
Initial value:
= {
{ MATROSKA_ID_BLOCK, EBML_BIN, 0, 0x42 },
{ MATROSKA_ID_BLOCKADDITIONS, EBML_NEST, 0, 0, {.n=matroska_blockadditions} },
{ MATROSKA_ID_SIMPLEBLOCK, EBML_BIN, 0, 0x42 },
{ MATROSKA_ID_BLOCKDURATION, EBML_UINT, 0, 0x42 },
{ MATROSKA_ID_DISCARDPADDING, EBML_SINT, 0, 0x42 },
{ MATROSKA_ID_BLOCKREFERENCE, EBML_SINT, 0, 0x42 },
{ MATROSKA_ID_CODECSTATE, EBML_NONE },
{ 1, EBML_UINT, 0, 0x42, {.u=1} },
{ 0 }
}

Definition at line 570 of file matroskadec.c.

EbmlSyntax matroska_cluster[]
static
Initial value:
= {
{ MATROSKA_ID_CLUSTERTIMECODE,EBML_UINT,0, 0x42 },
{ MATROSKA_ID_BLOCKGROUP, EBML_NEST, sizeof(MatroskaBlock), 0x42, {.n=matroska_blockgroup} },
{ MATROSKA_ID_SIMPLEBLOCK, EBML_PASS, sizeof(MatroskaBlock), 0x42, {.n=matroska_blockgroup} },
{ MATROSKA_ID_CLUSTERPOSITION,EBML_NONE },
{ MATROSKA_ID_CLUSTERPREVSIZE,EBML_NONE },
{ 0 }
}

Definition at line 582 of file matroskadec.c.

EbmlSyntax matroska_clusters[]
static
Initial value:
= {
{ MATROSKA_ID_CLUSTER, EBML_NEST, 0, 0, {.n=matroska_cluster} },
{ MATROSKA_ID_INFO, EBML_NONE },
{ MATROSKA_ID_CUES, EBML_NONE },
{ MATROSKA_ID_TAGS, EBML_NONE },
{ MATROSKA_ID_SEEKHEAD, EBML_NONE },
{ 0 }
}

Definition at line 591 of file matroskadec.c.

EbmlSyntax matroska_cluster_incremental_parsing[]
static
Initial value:
= {
{ MATROSKA_ID_CLUSTERTIMECODE,EBML_UINT,0, 0x42 },
{ MATROSKA_ID_BLOCKGROUP, EBML_NEST, sizeof(MatroskaBlock), 0x42, {.n=matroska_blockgroup} },
{ MATROSKA_ID_SIMPLEBLOCK, EBML_PASS, sizeof(MatroskaBlock), 0x42, {.n=matroska_blockgroup} },
{ MATROSKA_ID_CLUSTERPOSITION,EBML_NONE },
{ MATROSKA_ID_CLUSTERPREVSIZE,EBML_NONE },
{ MATROSKA_ID_INFO, EBML_NONE },
{ MATROSKA_ID_CUES, EBML_NONE },
{ MATROSKA_ID_TAGS, EBML_NONE },
{ MATROSKA_ID_SEEKHEAD, EBML_NONE },
{ MATROSKA_ID_CLUSTER, EBML_STOP },
{ 0 }
}

Definition at line 600 of file matroskadec.c.

EbmlSyntax matroska_cluster_incremental[]
static
Initial value:
= {
{ MATROSKA_ID_CLUSTERTIMECODE,EBML_UINT,0, 0x42 },
{ MATROSKA_ID_BLOCKGROUP, EBML_STOP },
{ MATROSKA_ID_SIMPLEBLOCK, EBML_STOP },
{ MATROSKA_ID_CLUSTERPOSITION,EBML_NONE },
{ MATROSKA_ID_CLUSTERPREVSIZE,EBML_NONE },
{ 0 }
}

Definition at line 614 of file matroskadec.c.

EbmlSyntax matroska_clusters_incremental[]
static
Initial value:
= {
{ MATROSKA_ID_CLUSTER, EBML_NEST, 0, 0, {.n=matroska_cluster_incremental} },
{ MATROSKA_ID_INFO, EBML_NONE },
{ MATROSKA_ID_CUES, EBML_NONE },
{ MATROSKA_ID_TAGS, EBML_NONE },
{ MATROSKA_ID_SEEKHEAD, EBML_NONE },
{ 0 }
}

Definition at line 623 of file matroskadec.c.

const char* const matroska_doctypes[] = { "matroska", "webm" }
static

Definition at line 632 of file matroskadec.c.

Referenced by matroska_probe(), and matroska_read_header().

AVInputFormat ff_matroska_demuxer
Initial value:
= {
.name = "matroska,webm",
.long_name = NULL_IF_CONFIG_SMALL("Matroska / WebM"),
.priv_data_size = sizeof(MatroskaDemuxContext),
.read_probe = matroska_probe,
.read_header = matroska_read_header,
.read_packet = matroska_read_packet,
.read_close = matroska_read_close,
.read_seek = matroska_read_seek,
}

Definition at line 2902 of file matroskadec.c.

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