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"

Include dependency graph for matroskadec.c:

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

Typedefs
typedef const struct EbmlSyntax	EbmlSyntax

Enumerations
enum	EbmlType {   EBML_NONE, EBML_UINT, EBML_FLOAT, EBML_STR,   EBML_UTF8, EBML_BIN, EBML_NEST, EBML_PASS,   EBML_STOP, 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. More...
static int	ebml_read_uint (AVIOContext *pb, int size, uint64_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_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)
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)
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.

Typedef Documentation

typedef const struct EbmlSyntax EbmlSyntax

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_TYPE_COUNT

Definition at line 55 of file matroskadec.c.

Function Documentation

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

static

Definition at line 997 of file matroskadec.c.

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

static int ebml_level_end ( MatroskaDemuxContext *  matroska )

static

Definition at line 656 of file matroskadec.c.

Referenced by ebml_parse_nest(), and matroska_parse_cluster_incremental().

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

static

Definition at line 891 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_elem ( MatroskaDemuxContext *  matroska, EbmlSyntax *  syntax, void *  data  )

static

Definition at line 929 of file matroskadec.c.

Referenced by ebml_parse_id(), and matroska_ebmlnum_sint().

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

static

Definition at line 872 of file matroskadec.c.

Referenced by ebml_parse(), and ebml_parse_elem().

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

static

Definition at line 904 of file matroskadec.c.

Referenced by ebml_parse_elem().

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

static

Definition at line 775 of file matroskadec.c.

Referenced by ebml_parse_elem().

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

static

Definition at line 798 of file matroskadec.c.

Referenced by ebml_parse_elem().

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

static

Definition at line 757 of file matroskadec.c.

Referenced by ebml_parse_elem().

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 725 of file matroskadec.c.

Referenced by ebml_parse_elem().

static int ebml_read_master ( MatroskaDemuxContext *  matroska, uint64_t  length  )

static

Definition at line 820 of file matroskadec.c.

Referenced by ebml_parse_elem().

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

static

Definition at line 679 of file matroskadec.c.

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

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

static

Definition at line 738 of file matroskadec.c.

Referenced by ebml_parse_elem().

static int matroska_aac_profile ( char *  codec_id )

static

Definition at line 1454 of file matroskadec.c.

Referenced by matroska_read_header().

static int matroska_aac_sri ( int  samplerate )

static

Definition at line 1465 of file matroskadec.c.

Referenced by matroska_read_header().

static void matroska_add_index_entries ( MatroskaDemuxContext *  matroska )

static

Definition at line 1412 of file matroskadec.c.

Referenced by matroska_parse_cues(), and matroska_read_header().

static void matroska_clear_queue ( MatroskaDemuxContext *  matroska )

static

Definition at line 1956 of file matroskadec.c.

Referenced by matroska_read_close(), and matroska_read_seek().

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

static

Definition at line 1265 of file matroskadec.c.

Referenced by matroska_convert_tags().

static void matroska_convert_tags ( AVFormatContext *  s )

static

Definition at line 1297 of file matroskadec.c.

Referenced by matroska_read_header().

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

static

Definition at line 1080 of file matroskadec.c.

Referenced by matroska_parse_frame(), and matroska_read_header().

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

static

Definition at line 1928 of file matroskadec.c.

Referenced by matroska_read_packet().

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

static

Definition at line 853 of file matroskadec.c.

Referenced by matroska_parse_laces().

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

static

Definition at line 842 of file matroskadec.c.

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

static void matroska_execute_seekhead ( MatroskaDemuxContext *  matroska )

static

Definition at line 1382 of file matroskadec.c.

Referenced by matroska_read_header().

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

static

Definition at line 1066 of file matroskadec.c.

Referenced by matroska_add_index_entries(), and matroska_parse_block().

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

static

Definition at line 1475 of file matroskadec.c.

Referenced by matroska_read_header().

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  )

static

Definition at line 2253 of file matroskadec.c.

Referenced by matroska_parse_cluster(), and matroska_parse_cluster_incremental().

static int matroska_parse_cluster ( MatroskaDemuxContext *  matroska )

static

Definition at line 2427 of file matroskadec.c.

Referenced by matroska_read_packet(), and matroska_read_seek().

static int matroska_parse_cluster_incremental ( MatroskaDemuxContext *  matroska )

static

Definition at line 2368 of file matroskadec.c.

Referenced by matroska_parse_cluster().

static void matroska_parse_cues ( MatroskaDemuxContext *  matroska )

static

Definition at line 1439 of file matroskadec.c.

Referenced by matroska_read_seek().

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  )

static

Definition at line 2146 of file matroskadec.c.

Referenced by matroska_parse_block().

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 1970 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 2077 of file matroskadec.c.

Referenced by matroska_parse_block().

static int matroska_parse_seekhead_entry ( MatroskaDemuxContext *  matroska, int  idx  )

static

Definition at line 1331 of file matroskadec.c.

Referenced by matroska_execute_seekhead(), and matroska_parse_cues().

static int matroska_probe ( AVProbeData *  p )

static

Definition at line 1024 of file matroskadec.c.

static int matroska_read_close ( AVFormatContext *  s )

static

Definition at line 2545 of file matroskadec.c.

static int matroska_read_header ( AVFormatContext *  s )

static

Definition at line 1486 of file matroskadec.c.

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

static

Definition at line 2456 of file matroskadec.c.

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

static

Definition at line 2471 of file matroskadec.c.

static int matroska_resync ( MatroskaDemuxContext *  matroska, int64_t  last_pos  )

static

Definition at line 623 of file matroskadec.c.

Referenced by matroska_read_header(), and matroska_read_packet().

Variable Documentation

EbmlSyntax ebml_header[]

static

Initial value:

= {
    { EBML_ID_EBMLREADVERSION,        EBML_UINT, 0, offsetof(Ebml,version), {.u=EBML_VERSION} },
    { EBML_ID_EBMLMAXSIZELENGTH,      EBML_UINT, 0, offsetof(Ebml,max_size), {.u=8} },
    { EBML_ID_EBMLMAXIDLENGTH,        EBML_UINT, 0, offsetof(Ebml,id_length), {.u=4} },
    { EBML_ID_DOCTYPE,                EBML_STR,  0, offsetof(Ebml,doctype), {.s="(none)"} },
    { EBML_ID_DOCTYPEREADVERSION,     EBML_UINT, 0, offsetof(Ebml,doctype_version), {.u=1} },
    { EBML_ID_EBMLVERSION,            EBML_NONE },
    { EBML_ID_DOCTYPEVERSION,         EBML_NONE },
    { 0 }
}

Definition at line 295 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 306 of file matroskadec.c.

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 2562 of file matroskadec.c.

EbmlSyntax matroska_attachment[]

static

Initial value:

= {
    { MATROSKA_ID_FILEUID,            EBML_UINT, 0, offsetof(MatroskaAttachement,uid) },
    { MATROSKA_ID_FILENAME,           EBML_UTF8, 0, offsetof(MatroskaAttachement,filename) },
    { MATROSKA_ID_FILEMIMETYPE,       EBML_STR,  0, offsetof(MatroskaAttachement,mime) },
    { MATROSKA_ID_FILEDATA,           EBML_BIN,  0, offsetof(MatroskaAttachement,bin) },
    { MATROSKA_ID_FILEDESC,           EBML_NONE },
    { 0 }
}

Definition at line 428 of file matroskadec.c.

EbmlSyntax matroska_attachments[]

static

Initial value:

= {
    { MATROSKA_ID_ATTACHEDFILE,       EBML_NEST, sizeof(MatroskaAttachement), offsetof(MatroskaDemuxContext,attachments), {.n=matroska_attachment} },
    { 0 }
}

Definition at line 437 of file matroskadec.c.

EbmlSyntax matroska_blockadditions[]

static

Initial value:

= {
    { MATROSKA_ID_BLOCKMORE, EBML_NEST, 0, 0, {.n=matroska_blockmore} },
    { 0 }
}

Definition at line 556 of file matroskadec.c.

EbmlSyntax matroska_blockgroup[]

static

Initial value:

= {
    { MATROSKA_ID_BLOCK,          EBML_BIN,  0, offsetof(MatroskaBlock,bin) },
    { MATROSKA_ID_BLOCKADDITIONS, EBML_NEST, 0, 0, {.n=matroska_blockadditions} },
    { MATROSKA_ID_SIMPLEBLOCK,    EBML_BIN,  0, offsetof(MatroskaBlock,bin) },
    { MATROSKA_ID_BLOCKDURATION,  EBML_UINT, 0, offsetof(MatroskaBlock,duration) },
    { MATROSKA_ID_BLOCKREFERENCE, EBML_UINT, 0, offsetof(MatroskaBlock,reference) },
    { 1,                          EBML_UINT, 0, offsetof(MatroskaBlock,non_simple), {.u=1} },
    { 0 }
}

Definition at line 561 of file matroskadec.c.

EbmlSyntax matroska_blockmore[]

static

Initial value:

= {
    { MATROSKA_ID_BLOCKADDID,      EBML_UINT, 0, offsetof(MatroskaBlock,additional_id) },
    { MATROSKA_ID_BLOCKADDITIONAL, EBML_BIN,  0, offsetof(MatroskaBlock,additional) },
    { 0 }
}

Definition at line 550 of file matroskadec.c.

EbmlSyntax matroska_chapter[]

static

Initial value:

= {
    { MATROSKA_ID_CHAPTERATOM,        EBML_NEST, sizeof(MatroskaChapter), offsetof(MatroskaDemuxContext,chapters), {.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 460 of file matroskadec.c.

EbmlSyntax matroska_chapter_display[]

static

Initial value:

= {
    { MATROSKA_ID_CHAPSTRING,         EBML_UTF8, 0, offsetof(MatroskaChapter,title) },
    { MATROSKA_ID_CHAPLANG,           EBML_NONE },
    { 0 }
}

Definition at line 442 of file matroskadec.c.

EbmlSyntax matroska_chapter_entry[]

static

Initial value:

= {
    { MATROSKA_ID_CHAPTERTIMESTART,   EBML_UINT, 0, offsetof(MatroskaChapter,start), {.u=AV_NOPTS_VALUE} },
    { MATROSKA_ID_CHAPTERTIMEEND,     EBML_UINT, 0, offsetof(MatroskaChapter,end), {.u=AV_NOPTS_VALUE} },
    { MATROSKA_ID_CHAPTERUID,         EBML_UINT, 0, offsetof(MatroskaChapter,uid) },
    { 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 448 of file matroskadec.c.

EbmlSyntax matroska_chapters[]

static

Initial value:

= {
    { MATROSKA_ID_EDITIONENTRY,       EBML_NEST, 0, 0, {.n=matroska_chapter} },
    { 0 }
}

Definition at line 469 of file matroskadec.c.

EbmlSyntax matroska_cluster[]

static

Initial value:

= {
    { MATROSKA_ID_CLUSTERTIMECODE,EBML_UINT,0, offsetof(MatroskaCluster,timecode) },
    { MATROSKA_ID_BLOCKGROUP,     EBML_NEST, sizeof(MatroskaBlock), offsetof(MatroskaCluster,blocks), {.n=matroska_blockgroup} },
    { MATROSKA_ID_SIMPLEBLOCK,    EBML_PASS, sizeof(MatroskaBlock), offsetof(MatroskaCluster,blocks), {.n=matroska_blockgroup} },
    { MATROSKA_ID_CLUSTERPOSITION,EBML_NONE },
    { MATROSKA_ID_CLUSTERPREVSIZE,EBML_NONE },
    { 0 }
}

Definition at line 571 of file matroskadec.c.

EbmlSyntax matroska_cluster_incremental[]

static

Initial value:

= {
    { MATROSKA_ID_CLUSTERTIMECODE,EBML_UINT,0, offsetof(MatroskaCluster,timecode) },
    { MATROSKA_ID_BLOCKGROUP,     EBML_STOP },
    { MATROSKA_ID_SIMPLEBLOCK,    EBML_STOP },
    { MATROSKA_ID_CLUSTERPOSITION,EBML_NONE },
    { MATROSKA_ID_CLUSTERPREVSIZE,EBML_NONE },
    { 0 }
}

Definition at line 603 of file matroskadec.c.

EbmlSyntax matroska_cluster_incremental_parsing[]

static

Initial value:

= {
    { MATROSKA_ID_CLUSTERTIMECODE,EBML_UINT,0, offsetof(MatroskaCluster,timecode) },
    { MATROSKA_ID_BLOCKGROUP,     EBML_NEST, sizeof(MatroskaBlock), offsetof(MatroskaCluster,blocks), {.n=matroska_blockgroup} },
    { MATROSKA_ID_SIMPLEBLOCK,    EBML_PASS, sizeof(MatroskaBlock), offsetof(MatroskaCluster,blocks), {.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 589 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 580 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 612 of file matroskadec.c.

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

static

Definition at line 621 of file matroskadec.c.

Referenced by matroska_probe(), and matroska_read_header().

EbmlSyntax matroska_index[]

static

Initial value:

= {
    { MATROSKA_ID_POINTENTRY,         EBML_NEST, sizeof(MatroskaIndex), offsetof(MatroskaDemuxContext,index), {.n=matroska_index_entry} },
    { 0 }
}

Definition at line 487 of file matroskadec.c.

EbmlSyntax matroska_index_entry[]

static

Initial value:

= {
    { MATROSKA_ID_CUETIME,            EBML_UINT, 0, offsetof(MatroskaIndex,time) },
    { MATROSKA_ID_CUETRACKPOSITION,   EBML_NEST, sizeof(MatroskaIndexPos), offsetof(MatroskaIndex,pos), {.n=matroska_index_pos} },
    { 0 }
}

Definition at line 481 of file matroskadec.c.

EbmlSyntax matroska_index_pos[]

static

Initial value:

= {
    { MATROSKA_ID_CUETRACK,           EBML_UINT, 0, offsetof(MatroskaIndexPos,track) },
    { MATROSKA_ID_CUECLUSTERPOSITION, EBML_UINT, 0, offsetof(MatroskaIndexPos,pos)   },
    { MATROSKA_ID_CUEBLOCKNUMBER,     EBML_NONE },
    { 0 }
}

Definition at line 474 of file matroskadec.c.

EbmlSyntax matroska_info[]

static

Initial value:

= {
    { MATROSKA_ID_TIMECODESCALE,      EBML_UINT,  0, offsetof(MatroskaDemuxContext,time_scale), {.u=1000000} },
    { MATROSKA_ID_DURATION,           EBML_FLOAT, 0, offsetof(MatroskaDemuxContext,duration) },
    { MATROSKA_ID_TITLE,              EBML_UTF8,  0, offsetof(MatroskaDemuxContext,title) },
    { MATROSKA_ID_WRITINGAPP,         EBML_NONE },
    { MATROSKA_ID_MUXINGAPP,          EBML_NONE },
    { MATROSKA_ID_DATEUTC,            EBML_BIN,  0, offsetof(MatroskaDemuxContext,date_utc) },
    { MATROSKA_ID_SEGMENTUID,         EBML_NONE },
    { 0 }
}

Definition at line 311 of file matroskadec.c.

EbmlSyntax matroska_seekhead[]

static

Initial value:

= {
    { MATROSKA_ID_SEEKENTRY,          EBML_NEST, sizeof(MatroskaSeekhead), offsetof(MatroskaDemuxContext,seekhead), {.n=matroska_seekhead_entry} },
    { 0 }
}

Definition at line 528 of file matroskadec.c.

EbmlSyntax matroska_seekhead_entry[]

static

Initial value:

= {
    { MATROSKA_ID_SEEKID,             EBML_UINT, 0, offsetof(MatroskaSeekhead,id) },
    { MATROSKA_ID_SEEKPOSITION,       EBML_UINT, 0, offsetof(MatroskaSeekhead,pos), {.u=-1} },
    { 0 }
}

Definition at line 522 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 533 of file matroskadec.c.

EbmlSyntax matroska_segments[]

static

Initial value:

= {
    { MATROSKA_ID_SEGMENT,        EBML_NEST, 0, 0, {.n=matroska_segment    } },
    { 0 }
}

Definition at line 545 of file matroskadec.c.

EbmlSyntax matroska_simpletag[]

static

Initial value:

= {
    { MATROSKA_ID_TAGNAME,            EBML_UTF8, 0, offsetof(MatroskaTag,name) },
    { MATROSKA_ID_TAGSTRING,          EBML_UTF8, 0, offsetof(MatroskaTag,string) },
    { MATROSKA_ID_TAGLANG,            EBML_STR,  0, offsetof(MatroskaTag,lang), {.s="und"} },
    { MATROSKA_ID_TAGDEFAULT,         EBML_UINT, 0, offsetof(MatroskaTag,def) },
    { MATROSKA_ID_TAGDEFAULT_BUG,     EBML_UINT, 0, offsetof(MatroskaTag,def) },
    { MATROSKA_ID_SIMPLETAG,          EBML_NEST, sizeof(MatroskaTag), offsetof(MatroskaTag,sub), {.n=matroska_simpletag} },
    { 0 }
}

Definition at line 492 of file matroskadec.c.

EbmlSyntax matroska_tag[]

static

Initial value:

= {
    { MATROSKA_ID_SIMPLETAG,          EBML_NEST, sizeof(MatroskaTag), offsetof(MatroskaTags,tag), {.n=matroska_simpletag} },
    { MATROSKA_ID_TAGTARGETS,         EBML_NEST, 0, offsetof(MatroskaTags,target), {.n=matroska_tagtargets} },
    { 0 }
}

Definition at line 511 of file matroskadec.c.

EbmlSyntax matroska_tags[]

static

Initial value:

= {
    { MATROSKA_ID_TAG,                EBML_NEST, sizeof(MatroskaTags), offsetof(MatroskaDemuxContext,tags), {.n=matroska_tag} },
    { 0 }
}

Definition at line 517 of file matroskadec.c.

EbmlSyntax matroska_tagtargets[]

static

Initial value:

= {
    { MATROSKA_ID_TAGTARGETS_TYPE,      EBML_STR,  0, offsetof(MatroskaTagTarget,type) },
    { MATROSKA_ID_TAGTARGETS_TYPEVALUE, EBML_UINT, 0, offsetof(MatroskaTagTarget,typevalue), {.u=50} },
    { MATROSKA_ID_TAGTARGETS_TRACKUID,  EBML_UINT, 0, offsetof(MatroskaTagTarget,trackuid) },
    { MATROSKA_ID_TAGTARGETS_CHAPTERUID,EBML_UINT, 0, offsetof(MatroskaTagTarget,chapteruid) },
    { MATROSKA_ID_TAGTARGETS_ATTACHUID, EBML_UINT, 0, offsetof(MatroskaTagTarget,attachuid) },
    { 0 }
}

Definition at line 502 of file matroskadec.c.

EbmlSyntax matroska_track[]

static

Initial value:

= {
    { MATROSKA_ID_TRACKNUMBER,          EBML_UINT, 0, offsetof(MatroskaTrack,num) },
    { MATROSKA_ID_TRACKNAME,            EBML_UTF8, 0, offsetof(MatroskaTrack,name) },
    { MATROSKA_ID_TRACKUID,             EBML_UINT, 0, offsetof(MatroskaTrack,uid) },
    { MATROSKA_ID_TRACKTYPE,            EBML_UINT, 0, offsetof(MatroskaTrack,type) },
    { MATROSKA_ID_CODECID,              EBML_STR,  0, offsetof(MatroskaTrack,codec_id) },
    { MATROSKA_ID_CODECPRIVATE,         EBML_BIN,  0, offsetof(MatroskaTrack,codec_priv) },
    { MATROSKA_ID_TRACKLANGUAGE,        EBML_UTF8, 0, offsetof(MatroskaTrack,language), {.s="eng"} },
    { MATROSKA_ID_TRACKDEFAULTDURATION, EBML_UINT, 0, offsetof(MatroskaTrack,default_duration) },
    { MATROSKA_ID_TRACKTIMECODESCALE,   EBML_FLOAT,0, offsetof(MatroskaTrack,time_scale), {.f=1.0} },
    { MATROSKA_ID_TRACKFLAGDEFAULT,     EBML_UINT, 0, offsetof(MatroskaTrack,flag_default), {.u=1} },
    { MATROSKA_ID_TRACKFLAGFORCED,      EBML_UINT, 0, offsetof(MatroskaTrack,flag_forced), {.u=0} },
    { MATROSKA_ID_TRACKVIDEO,           EBML_NEST, 0, offsetof(MatroskaTrack,video), {.n=matroska_track_video} },
    { MATROSKA_ID_TRACKAUDIO,           EBML_NEST, 0, offsetof(MatroskaTrack,audio), {.n=matroska_track_audio} },
    { MATROSKA_ID_TRACKOPERATION,       EBML_NEST, 0, offsetof(MatroskaTrack,operation), {.n=matroska_track_operation} },
    { MATROSKA_ID_TRACKCONTENTENCODINGS,EBML_NEST, 0, 0, {.n=matroska_track_encodings} },
    { MATROSKA_ID_TRACKMAXBLKADDID,     EBML_UINT, 0, offsetof(MatroskaTrack,max_block_additional_id) },
    { 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 395 of file matroskadec.c.

EbmlSyntax matroska_track_audio[]

static

Initial value:

= {
    { MATROSKA_ID_AUDIOSAMPLINGFREQ,  EBML_FLOAT,0, offsetof(MatroskaTrackAudio,samplerate), {.f=8000.0} },
    { MATROSKA_ID_AUDIOOUTSAMPLINGFREQ,EBML_FLOAT,0,offsetof(MatroskaTrackAudio,out_samplerate) },
    { MATROSKA_ID_AUDIOBITDEPTH,      EBML_UINT, 0, offsetof(MatroskaTrackAudio,bitdepth) },
    { MATROSKA_ID_AUDIOCHANNELS,      EBML_UINT, 0, offsetof(MatroskaTrackAudio,channels), {.u=1} },
    { 0 }
}

Definition at line 341 of file matroskadec.c.

EbmlSyntax matroska_track_combine_planes[]

static

Initial value:

= {
    { MATROSKA_ID_TRACKPLANE, EBML_NEST, sizeof(MatroskaTrackPlane), offsetof(MatroskaTrackOperation,combine_planes), {.n=matroska_track_plane} },
    { 0 }
}

Definition at line 385 of file matroskadec.c.

EbmlSyntax matroska_track_encoding[]

static

Initial value:

= {
    { MATROSKA_ID_ENCODINGSCOPE,      EBML_UINT, 0, offsetof(MatroskaTrackEncoding,scope), {.u=1} },
    { MATROSKA_ID_ENCODINGTYPE,       EBML_UINT, 0, offsetof(MatroskaTrackEncoding,type), {.u=0} },
    { MATROSKA_ID_ENCODINGCOMPRESSION,EBML_NEST, 0, offsetof(MatroskaTrackEncoding,compression), {.n=matroska_track_encoding_compression} },
    { MATROSKA_ID_ENCODINGENCRYPTION, EBML_NEST, 0, offsetof(MatroskaTrackEncoding,encryption), {.n=matroska_track_encoding_encryption} },
    { MATROSKA_ID_ENCODINGORDER,      EBML_NONE },
    { 0 }
}

Definition at line 365 of file matroskadec.c.

EbmlSyntax matroska_track_encoding_compression[]

static

Initial value:

= {
    { MATROSKA_ID_ENCODINGCOMPALGO,   EBML_UINT, 0, offsetof(MatroskaTrackCompression,algo), {.u=0} },
    { MATROSKA_ID_ENCODINGCOMPSETTINGS,EBML_BIN, 0, offsetof(MatroskaTrackCompression,settings) },
    { 0 }
}

Definition at line 349 of file matroskadec.c.

EbmlSyntax matroska_track_encoding_encryption[]

static

Initial value:

= {
    { MATROSKA_ID_ENCODINGENCALGO,        EBML_UINT, 0, offsetof(MatroskaTrackEncryption,algo), {.u=0} },
    { MATROSKA_ID_ENCODINGENCKEYID,       EBML_BIN, 0, offsetof(MatroskaTrackEncryption,key_id) },
    { 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 355 of file matroskadec.c.

EbmlSyntax matroska_track_encodings[]

static

Initial value:

= {
    { MATROSKA_ID_TRACKCONTENTENCODING, EBML_NEST, sizeof(MatroskaTrackEncoding), offsetof(MatroskaTrack,encodings), {.n=matroska_track_encoding} },
    { 0 }
}

Definition at line 374 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 390 of file matroskadec.c.

EbmlSyntax matroska_track_plane[]

static

Initial value:

= {
    { MATROSKA_ID_TRACKPLANEUID,  EBML_UINT, 0, offsetof(MatroskaTrackPlane,uid) },
    { MATROSKA_ID_TRACKPLANETYPE, EBML_UINT, 0, offsetof(MatroskaTrackPlane,type) },
    { 0 }
}

Definition at line 379 of file matroskadec.c.

EbmlSyntax matroska_track_video[]

static

Initial value:

= {
    { MATROSKA_ID_VIDEOFRAMERATE,     EBML_FLOAT,0, offsetof(MatroskaTrackVideo,frame_rate) },
    { MATROSKA_ID_VIDEODISPLAYWIDTH,  EBML_UINT, 0, offsetof(MatroskaTrackVideo,display_width), {.u=-1} },
    { MATROSKA_ID_VIDEODISPLAYHEIGHT, EBML_UINT, 0, offsetof(MatroskaTrackVideo,display_height), {.u=-1} },
    { MATROSKA_ID_VIDEOPIXELWIDTH,    EBML_UINT, 0, offsetof(MatroskaTrackVideo,pixel_width) },
    { MATROSKA_ID_VIDEOPIXELHEIGHT,   EBML_UINT, 0, offsetof(MatroskaTrackVideo,pixel_height) },
    { MATROSKA_ID_VIDEOCOLORSPACE,    EBML_BIN,  0, offsetof(MatroskaTrackVideo,color_space) },
    { MATROSKA_ID_VIDEOSTEREOMODE,    EBML_UINT, 0, offsetof(MatroskaTrackVideo,stereo_mode) },
    { MATROSKA_ID_VIDEOALPHAMODE,     EBML_UINT, 0, offsetof(MatroskaTrackVideo,alpha_mode) },
    { 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 322 of file matroskadec.c.

EbmlSyntax matroska_tracks[]

static

Initial value:

= {
    { MATROSKA_ID_TRACKENTRY,         EBML_NEST, sizeof(MatroskaTrack), offsetof(MatroskaDemuxContext,tracks), {.n=matroska_track} },
    { 0 }
}

Definition at line 423 of file matroskadec.c.