matroskaenc.c File Reference

#include <stdint.h>
#include "avc.h"
#include "hevc.h"
#include "avformat.h"
#include "avio_internal.h"
#include "avlanguage.h"
#include "flacenc.h"
#include "internal.h"
#include "isom.h"
#include "matroska.h"
#include "riff.h"
#include "subtitles.h"
#include "vorbiscomment.h"
#include "wv.h"
#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/crc.h"
#include "libavutil/dict.h"
#include "libavutil/intfloat.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/lfg.h"
#include "libavutil/mastering_display_metadata.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/random_seed.h"
#include "libavutil/rational.h"
#include "libavutil/samplefmt.h"
#include "libavutil/sha.h"
#include "libavutil/stereo3d.h"
#include "libavcodec/xiph.h"
#include "libavcodec/mpeg4audio.h"
#include "libavcodec/internal.h"

Go to the source code of this file.

Data Structures
struct	ebml_master
struct	mkv_seekhead_entry
struct	mkv_seekhead
struct	mkv_cuepoint
struct	mkv_cues
struct	mkv_track
struct	mkv_attachment
struct	mkv_attachments
struct	MatroskaMuxContext

Macros
#define	MODE_MATROSKAv2   0x01
#define	MODE_WEBM   0x02
#define	MAX_TRACKS   126
	Maximum number of tracks allowed in a Matroska file (with track numbers in range 1 to 126 (inclusive) More...
#define	MAX_SEEKENTRY_SIZE   21
	2 bytes * 3 for EBML IDs, 3 1-byte EBML lengths, 8 bytes for 64 bit offset, 4 bytes for target EBML ID More...
#define	MAX_CUETRACKPOS_SIZE   42
	per-cuepoint-track - 5 1-byte EBML IDs, 5 1-byte EBML sizes, 4 8-byte uint max More...
#define	MAX_CUEPOINT_SIZE(num_tracks)   12 + MAX_CUETRACKPOS_SIZE * num_tracks
	per-cuepoint - 2 1-byte EBML IDs, 2 1-byte EBML sizes, 8-byte uint max More...
#define	OPUS_SEEK_PREROLL   80000000
	Seek preroll value for opus. More...
#define	OFFSET(x)   offsetof(MatroskaMuxContext, x)
#define	FLAGS   AV_OPT_FLAG_ENCODING_PARAM

Functions
static int	ebml_id_size (unsigned int id)
static void	put_ebml_id (AVIOContext *pb, unsigned int id)
static void	put_ebml_size_unknown (AVIOContext *pb, int bytes)
	Write an EBML size meaning "unknown size". More...
static int	ebml_num_size (uint64_t num)
	Calculate how many bytes are needed to represent a given number in EBML. More...
static void	put_ebml_num (AVIOContext *pb, uint64_t num, int bytes)
	Write a number in EBML variable length format. More...
static void	put_ebml_uint (AVIOContext *pb, unsigned int elementid, uint64_t val)
static void	put_ebml_sint (AVIOContext *pb, unsigned int elementid, int64_t val)
static void	put_ebml_float (AVIOContext *pb, unsigned int elementid, double val)
static void	put_ebml_binary (AVIOContext *pb, unsigned int elementid, const void *buf, int size)
static void	put_ebml_string (AVIOContext *pb, unsigned int elementid, const char *str)
static void	put_ebml_void (AVIOContext *pb, uint64_t size)
	Write a void element of a given size. More...
static ebml_master	start_ebml_master (AVIOContext *pb, unsigned int elementid, uint64_t expectedsize)
static void	end_ebml_master (AVIOContext *pb, ebml_master master)
static int	start_ebml_master_crc32 (AVIOContext *pb, AVIOContext **dyn_cp, MatroskaMuxContext *mkv, ebml_master *master, unsigned int elementid, uint64_t expectedsize)
static void	end_ebml_master_crc32 (AVIOContext *pb, AVIOContext **dyn_cp, MatroskaMuxContext *mkv, ebml_master master)
static void	end_ebml_master_crc32_preliminary (AVIOContext *pb, AVIOContext **dyn_cp, MatroskaMuxContext *mkv, ebml_master master)
	Complete ebml master whithout destroying the buffer, allowing for later updates. More...
static void	put_xiph_size (AVIOContext *pb, int size)
static void	mkv_free (MatroskaMuxContext *mkv)
	Free the members allocated in the mux context. More...
static mkv_seekhead *	mkv_start_seekhead (AVIOContext *pb, int64_t segment_offset, int numelements)
	Initialize a mkv_seekhead element to be ready to index level 1 Matroska elements. More...
static int	mkv_add_seekhead_entry (mkv_seekhead *seekhead, unsigned int elementid, uint64_t filepos)
static int64_t	mkv_write_seekhead (AVIOContext *pb, MatroskaMuxContext *mkv)
	Write the seek head to the file and free it. More...
static mkv_cues *	mkv_start_cues (int64_t segment_offset)
static int	mkv_add_cuepoint (mkv_cues *cues, int stream, int tracknum, int64_t ts, int64_t cluster_pos, int64_t relative_pos, int64_t duration)
static int64_t	mkv_write_cues (AVFormatContext *s, mkv_cues *cues, mkv_track *tracks, int num_tracks)
static int	put_xiph_codecpriv (AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par)
static int	put_wv_codecpriv (AVIOContext *pb, AVCodecParameters *par)
static int	put_flac_codecpriv (AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par)
static int	get_aac_sample_rates (AVFormatContext *s, uint8_t *extradata, int extradata_size, int *sample_rate, int *output_sample_rate)
static int	mkv_write_native_codecprivate (AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, AVIOContext *dyn_cp)
static int	mkv_write_codecprivate (AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, int native_id, int qt_id)
static int	mkv_write_video_color (AVIOContext *pb, AVCodecParameters *par, AVStream *st)
static int	mkv_write_video_projection (AVFormatContext *s, AVIOContext *pb, AVStream *st)
static void	mkv_write_field_order (AVIOContext *pb, int mode, enum AVFieldOrder field_order)
static int	mkv_write_stereo_mode (AVFormatContext *s, AVIOContext *pb, AVStream *st, int mode, int *h_width, int *h_height)
static int	mkv_write_track (AVFormatContext *s, MatroskaMuxContext *mkv, int i, AVIOContext *pb, int default_stream_exists)
static int	mkv_write_tracks (AVFormatContext *s)
static int	mkv_write_chapters (AVFormatContext *s)
static int	mkv_write_simpletag (AVIOContext *pb, AVDictionaryEntry *t)
static int	mkv_write_tag_targets (AVFormatContext *s, unsigned int elementid, unsigned int uid, ebml_master *tags, ebml_master *tag)
static int	mkv_check_tag_name (const char *name, unsigned int elementid)
static int	mkv_write_tag (AVFormatContext *s, AVDictionary *m, unsigned int elementid, unsigned int uid, ebml_master *tags)
static int	mkv_check_tag (AVDictionary *m, unsigned int elementid)
static int	mkv_write_tags (AVFormatContext *s)
static int	mkv_write_attachments (AVFormatContext *s)
static int64_t	get_metadata_duration (AVFormatContext *s)
static int	mkv_write_header (AVFormatContext *s)
static int	mkv_blockgroup_size (int pkt_size)
static int	mkv_strip_wavpack (const uint8_t *src, uint8_t **pdst, int *size)
static void	mkv_write_block (AVFormatContext *s, AVIOContext *pb, unsigned int blockid, AVPacket *pkt, int keyframe)
static int	mkv_write_vtt_blocks (AVFormatContext *s, AVIOContext *pb, AVPacket *pkt)
static void	mkv_start_new_cluster (AVFormatContext *s, AVPacket *pkt)
static int	mkv_check_new_extra_data (AVFormatContext *s, AVPacket *pkt)
static int	mkv_write_packet_internal (AVFormatContext *s, AVPacket *pkt, int add_cue)
static int	mkv_write_packet (AVFormatContext *s, AVPacket *pkt)
static int	mkv_write_flush_packet (AVFormatContext *s, AVPacket *pkt)
static int	mkv_write_trailer (AVFormatContext *s)
static int	mkv_query_codec (enum AVCodecID codec_id, int std_compliance)
static int	mkv_init (struct AVFormatContext *s)
static int	mkv_check_bitstream (struct AVFormatContext *s, const AVPacket *pkt)

Variables
static const AVCodecTag	additional_audio_tags []
static const AVCodecTag	additional_video_tags []
static const AVCodecTag	additional_subtitle_tags []
static const AVOption	options []

Macro Definition Documentation

MODE_MATROSKAv2

#define MODE_MATROSKAv2   0x01

Definition at line 112 of file matroskaenc.c.

Referenced by mkv_write_header().

MODE_WEBM

#define MODE_WEBM   0x02

Definition at line 113 of file matroskaenc.c.

Referenced by end_ebml_master_crc32(), mkv_write_chapters(), mkv_write_field_order(), mkv_write_header(), mkv_write_stereo_mode(), mkv_write_tags(), mkv_write_track(), and start_ebml_master_crc32().

MAX_TRACKS

#define MAX_TRACKS   126

Maximum number of tracks allowed in a Matroska file (with track numbers in range 1 to 126 (inclusive)

Definition at line 117 of file matroskaenc.c.

Referenced by mkv_init().

MAX_SEEKENTRY_SIZE

#define MAX_SEEKENTRY_SIZE   21

2 bytes * 3 for EBML IDs, 3 1-byte EBML lengths, 8 bytes for 64 bit offset, 4 bytes for target EBML ID

Definition at line 169 of file matroskaenc.c.

Referenced by mkv_start_seekhead(), and mkv_write_seekhead().

MAX_CUETRACKPOS_SIZE

#define MAX_CUETRACKPOS_SIZE   42

per-cuepoint-track - 5 1-byte EBML IDs, 5 1-byte EBML sizes, 4 8-byte uint max

Definition at line 173 of file matroskaenc.c.

Referenced by mkv_write_cues().

MAX_CUEPOINT_SIZE

#define MAX_CUEPOINT_SIZE

(

num_tracks

)

12 + MAX_CUETRACKPOS_SIZE * num_tracks

per-cuepoint - 2 1-byte EBML IDs, 2 1-byte EBML sizes, 8-byte uint max

Definition at line 176 of file matroskaenc.c.

Referenced by mkv_write_cues().

OPUS_SEEK_PREROLL

#define OPUS_SEEK_PREROLL   80000000

Seek preroll value for opus.

Definition at line 179 of file matroskaenc.c.

Referenced by mkv_write_track().

OFFSET

#define OFFSET

(

x

)

offsetof(MatroskaMuxContext, x)

Definition at line 2728 of file matroskaenc.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 2729 of file matroskaenc.c.

Function Documentation

ebml_id_size()

static int ebml_id_size ( unsigned int  id )

static

Definition at line 181 of file matroskaenc.c.

Referenced by mkv_write_seekhead(), and put_ebml_id().

put_ebml_id()

static void put_ebml_id ( AVIOContext *  pb, unsigned int  id  )

static

Definition at line 186 of file matroskaenc.c.

Referenced by mkv_write_block(), mkv_write_seekhead(), mkv_write_vtt_blocks(), put_ebml_binary(), put_ebml_float(), put_ebml_sint(), put_ebml_uint(), put_ebml_void(), and start_ebml_master().

put_ebml_size_unknown()

static void put_ebml_size_unknown ( AVIOContext *  pb, int  bytes  )

static

Write an EBML size meaning "unknown size".

Parameters

bytes

The number of bytes the size should occupy (maximum: 8).

Definition at line 198 of file matroskaenc.c.

Referenced by start_ebml_master().

ebml_num_size()

static int ebml_num_size ( uint64_t  num )

static

Calculate how many bytes are needed to represent a given number in EBML.

Definition at line 208 of file matroskaenc.c.

Referenced by mkv_blockgroup_size(), put_ebml_num(), and start_ebml_master().

put_ebml_num()

static void put_ebml_num ( AVIOContext *  pb, uint64_t  num, int  bytes  )

static

Write a number in EBML variable length format.

Parameters

bytes

The number of bytes that need to be used to write the number. If zero, any number of bytes can be used.

Definition at line 222 of file matroskaenc.c.

Referenced by end_ebml_master(), mkv_write_block(), mkv_write_seekhead(), mkv_write_vtt_blocks(), put_ebml_binary(), put_ebml_float(), put_ebml_sint(), put_ebml_uint(), and put_ebml_void().

put_ebml_uint()

static void put_ebml_uint ( AVIOContext *  pb, unsigned int  elementid, uint64_t  val  )

static

Definition at line 241 of file matroskaenc.c.

Referenced by mkv_write_attachments(), mkv_write_block(), mkv_write_chapters(), mkv_write_cues(), mkv_write_field_order(), mkv_write_header(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_stereo_mode(), mkv_write_tag_targets(), mkv_write_track(), mkv_write_video_color(), mkv_write_video_projection(), and mkv_write_vtt_blocks().

put_ebml_sint()

static void put_ebml_sint ( AVIOContext *  pb, unsigned int  elementid, int64_t  val  )

static

Definition at line 254 of file matroskaenc.c.

Referenced by mkv_write_block().

put_ebml_float()

static void put_ebml_float ( AVIOContext *  pb, unsigned int  elementid, double  val  )

static

Definition at line 267 of file matroskaenc.c.

Referenced by mkv_check_new_extra_data(), mkv_write_header(), mkv_write_track(), mkv_write_trailer(), mkv_write_video_color(), and mkv_write_video_projection().

put_ebml_binary()

static void put_ebml_binary ( AVIOContext *  pb, unsigned int  elementid, const void *  buf, int  size  )

static

Definition at line 274 of file matroskaenc.c.

Referenced by end_ebml_master_crc32(), mkv_write_attachments(), mkv_write_codecprivate(), mkv_write_header(), mkv_write_track(), mkv_write_trailer(), mkv_write_video_projection(), and put_ebml_string().

put_ebml_string()

static void put_ebml_string ( AVIOContext *  pb, unsigned int  elementid, const char *  str  )

static

Definition at line 282 of file matroskaenc.c.

Referenced by mkv_write_attachments(), mkv_write_chapters(), mkv_write_header(), mkv_write_simpletag(), mkv_write_tags(), and mkv_write_track().

put_ebml_void()

static void put_ebml_void ( AVIOContext *  pb, uint64_t  size  )

static

Write a void element of a given size.

Useful for reserving space in the file to be written to later.

Parameters

size	The number of bytes to reserve, which must be at least 2.

Definition at line 294 of file matroskaenc.c.

Referenced by mkv_check_new_extra_data(), mkv_start_seekhead(), mkv_write_header(), mkv_write_native_codecprivate(), mkv_write_seekhead(), mkv_write_tags(), mkv_write_trailer(), and start_ebml_master_crc32().

start_ebml_master()

static ebml_master start_ebml_master ( AVIOContext *  pb, unsigned int  elementid, uint64_t  expectedsize  )

static

Definition at line 311 of file matroskaenc.c.

Referenced by mkv_write_attachments(), mkv_write_block(), mkv_write_chapters(), mkv_write_cues(), mkv_write_header(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_simpletag(), mkv_write_tag_targets(), mkv_write_tags(), mkv_write_track(), mkv_write_video_color(), mkv_write_video_projection(), mkv_write_vtt_blocks(), and start_ebml_master_crc32().

end_ebml_master()

static void end_ebml_master ( AVIOContext *  pb, ebml_master  master  )

static

Definition at line 320 of file matroskaenc.c.

Referenced by end_ebml_master_crc32(), end_ebml_master_crc32_preliminary(), mkv_write_attachments(), mkv_write_block(), mkv_write_chapters(), mkv_write_cues(), mkv_write_header(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_simpletag(), mkv_write_tag(), mkv_write_tag_targets(), mkv_write_tags(), mkv_write_track(), mkv_write_trailer(), mkv_write_video_color(), mkv_write_video_projection(), and mkv_write_vtt_blocks().

start_ebml_master_crc32()

static int start_ebml_master_crc32 ( AVIOContext *  pb, AVIOContext **  dyn_cp, MatroskaMuxContext *  mkv, ebml_master *  master, unsigned int  elementid, uint64_t  expectedsize  )

static

Definition at line 330 of file matroskaenc.c.

Referenced by mkv_write_attachments(), mkv_write_chapters(), mkv_write_cues(), mkv_write_header(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_tag_targets(), and mkv_write_tracks().

end_ebml_master_crc32()

static void end_ebml_master_crc32 ( AVIOContext *  pb, AVIOContext **  dyn_cp, MatroskaMuxContext *  mkv, ebml_master  master  )

static

Definition at line 348 of file matroskaenc.c.

Referenced by mkv_start_new_cluster(), mkv_write_attachments(), mkv_write_chapters(), mkv_write_cues(), mkv_write_flush_packet(), mkv_write_header(), mkv_write_seekhead(), mkv_write_tags(), mkv_write_tracks(), and mkv_write_trailer().

end_ebml_master_crc32_preliminary()

static void end_ebml_master_crc32_preliminary ( AVIOContext *  pb, AVIOContext **  dyn_cp, MatroskaMuxContext *  mkv, ebml_master  master  )

static

Complete ebml master whithout destroying the buffer, allowing for later updates.

Definition at line 375 of file matroskaenc.c.

Referenced by mkv_write_header(), mkv_write_tags(), and mkv_write_tracks().

put_xiph_size()

static void put_xiph_size ( AVIOContext *  pb, int  size  )

static

Definition at line 388 of file matroskaenc.c.

Referenced by put_xiph_codecpriv().

mkv_free()

static void mkv_free ( MatroskaMuxContext *  mkv )

static

Free the members allocated in the mux context.

Definition at line 397 of file matroskaenc.c.

Referenced by mkv_write_header(), and mkv_write_trailer().

mkv_start_seekhead()

static mkv_seekhead* mkv_start_seekhead ( AVIOContext *  pb, int64_t  segment_offset, int  numelements  )

static

Initialize a mkv_seekhead element to be ready to index level 1 Matroska elements.

If a maximum number of elements is specified, enough space will be reserved at the current file location to write a seek head of that size.

Parameters

segment_offset	The absolute offset to the position in the file where the segment begins.
numelements	The maximum number of elements that will be indexed by this seek head, 0 if unlimited.

Definition at line 443 of file matroskaenc.c.

Referenced by mkv_write_header().

mkv_add_seekhead_entry()

static int mkv_add_seekhead_entry ( mkv_seekhead *  seekhead, unsigned int  elementid, uint64_t  filepos  )

static

Definition at line 464 of file matroskaenc.c.

Referenced by mkv_write_attachments(), mkv_write_chapters(), mkv_write_header(), mkv_write_tag_targets(), mkv_write_tracks(), and mkv_write_trailer().

mkv_write_seekhead()

static int64_t mkv_write_seekhead ( AVIOContext *  pb, MatroskaMuxContext *  mkv  )

static

Write the seek head to the file and free it.

If a maximum number of elements was specified to mkv_start_seekhead(), the seek head will be written at the location reserved for it. Otherwise, it is written at the current location in the file.

Returns

The file offset where the seekhead was written, -1 if an error occurred.

Definition at line 492 of file matroskaenc.c.

Referenced by mkv_write_header(), and mkv_write_trailer().

mkv_start_cues()

static mkv_cues* mkv_start_cues ( int64_t  segment_offset )

static

Definition at line 543 of file matroskaenc.c.

Referenced by mkv_write_header().

mkv_add_cuepoint()

static int mkv_add_cuepoint ( mkv_cues *  cues, int  stream, int  tracknum, int64_t  ts, int64_t  cluster_pos, int64_t  relative_pos, int64_t  duration  )

static

Definition at line 553 of file matroskaenc.c.

Referenced by mkv_write_packet_internal().

mkv_write_cues()

static int64_t mkv_write_cues ( AVFormatContext *  s, mkv_cues *  cues, mkv_track *  tracks, int  num_tracks  )

static

Definition at line 576 of file matroskaenc.c.

Referenced by mkv_write_trailer().

put_xiph_codecpriv()

static int put_xiph_codecpriv ( AVFormatContext *  s, AVIOContext *  pb, AVCodecParameters *  par  )

static

Definition at line 636 of file matroskaenc.c.

Referenced by mkv_write_native_codecprivate().

put_wv_codecpriv()

static int put_wv_codecpriv ( AVIOContext *  pb, AVCodecParameters *  par  )

static

Definition at line 664 of file matroskaenc.c.

Referenced by mkv_write_native_codecprivate().

put_flac_codecpriv()

static int put_flac_codecpriv ( AVFormatContext *  s, AVIOContext *  pb, AVCodecParameters *  par  )

static

Definition at line 673 of file matroskaenc.c.

Referenced by mkv_write_native_codecprivate().

get_aac_sample_rates()

static int get_aac_sample_rates ( AVFormatContext *  s, uint8_t *  extradata, int  extradata_size, int *  sample_rate, int *  output_sample_rate  )

static

Definition at line 720 of file matroskaenc.c.

Referenced by mkv_check_new_extra_data(), and mkv_write_track().

mkv_write_native_codecprivate()

static int mkv_write_native_codecprivate ( AVFormatContext *  s, AVIOContext *  pb, AVCodecParameters *  par, AVIOContext *  dyn_cp  )

static

Definition at line 753 of file matroskaenc.c.

Referenced by mkv_write_codecprivate().

mkv_write_codecprivate()

static int mkv_write_codecprivate ( AVFormatContext *  s, AVIOContext *  pb, AVCodecParameters *  par, int  native_id, int  qt_id  )

static

Definition at line 799 of file matroskaenc.c.

Referenced by mkv_check_new_extra_data(), and mkv_write_track().

mkv_write_video_color()

static int mkv_write_video_color ( AVIOContext *  pb, AVCodecParameters *  par, AVStream *  st  )

static

Definition at line 866 of file matroskaenc.c.

Referenced by mkv_write_track().

mkv_write_video_projection()

static int mkv_write_video_projection ( AVFormatContext *  s, AVIOContext *  pb, AVStream *  st  )

static

Definition at line 956 of file matroskaenc.c.

Referenced by mkv_write_track().

mkv_write_field_order()

static void mkv_write_field_order ( AVIOContext *  pb, int  mode, enum AVFieldOrder  field_order  )

static

Definition at line 1033 of file matroskaenc.c.

Referenced by mkv_write_track().

mkv_write_stereo_mode()

static int mkv_write_stereo_mode ( AVFormatContext *  s, AVIOContext *  pb, AVStream *  st, int  mode, int *  h_width, int *  h_height  )

static

Definition at line 1072 of file matroskaenc.c.

Referenced by mkv_write_track().

mkv_write_track()

static int mkv_write_track ( AVFormatContext *  s, MatroskaMuxContext *  mkv, int  i, AVIOContext *  pb, int  default_stream_exists  )

static

Definition at line 1170 of file matroskaenc.c.

Referenced by mkv_write_tracks().

mkv_write_tracks()

static int mkv_write_tracks ( AVFormatContext *  s )

static

Definition at line 1437 of file matroskaenc.c.

Referenced by mkv_write_header().

mkv_write_chapters()

static int mkv_write_chapters ( AVFormatContext *  s )

static

Definition at line 1469 of file matroskaenc.c.

Referenced by mkv_write_header(), and mkv_write_trailer().

mkv_write_simpletag()

static int mkv_write_simpletag ( AVIOContext *  pb, AVDictionaryEntry *  t  )

static

Definition at line 1527 of file matroskaenc.c.

Referenced by mkv_write_tag().

mkv_write_tag_targets()

static int mkv_write_tag_targets ( AVFormatContext *  s, unsigned int  elementid, unsigned int  uid, ebml_master *  tags, ebml_master *  tag  )

static

Definition at line 1561 of file matroskaenc.c.

Referenced by mkv_write_tag(), and mkv_write_tags().

mkv_check_tag_name()

static int mkv_check_tag_name ( const char *  name, unsigned int  elementid  )

static

Definition at line 1586 of file matroskaenc.c.

Referenced by mkv_check_tag(), and mkv_write_tag().

mkv_write_tag()

static int mkv_write_tag ( AVFormatContext *  s, AVDictionary *  m, unsigned int  elementid, unsigned int  uid, ebml_master *  tags  )

static

Definition at line 1600 of file matroskaenc.c.

Referenced by mkv_write_tags().

mkv_check_tag()

static int mkv_check_tag ( AVDictionary *  m, unsigned int  elementid  )

static

Definition at line 1624 of file matroskaenc.c.

Referenced by mkv_write_tags().

mkv_write_tags()

static int mkv_write_tags ( AVFormatContext *  s )

static

Definition at line 1635 of file matroskaenc.c.

Referenced by mkv_write_header().

mkv_write_attachments()

static int mkv_write_attachments ( AVFormatContext *  s )

static

Definition at line 1721 of file matroskaenc.c.

Referenced by mkv_write_header().

get_metadata_duration()

static int64_t get_metadata_duration ( AVFormatContext *  s )

static

Definition at line 1819 of file matroskaenc.c.

Referenced by mkv_write_header().

mkv_write_header()

static int mkv_write_header ( AVFormatContext *  s )

static

Definition at line 1843 of file matroskaenc.c.

mkv_blockgroup_size()

static int mkv_blockgroup_size ( int  pkt_size )

static

Definition at line 2035 of file matroskaenc.c.

Referenced by mkv_write_packet_internal(), and mkv_write_vtt_blocks().

mkv_strip_wavpack()

static int mkv_strip_wavpack ( const uint8_t *  src, uint8_t **  pdst, int *  size  )

static

Definition at line 2046 of file matroskaenc.c.

Referenced by mkv_write_block().

mkv_write_block()

static void mkv_write_block ( AVFormatContext *  s, AVIOContext *  pb, unsigned int  blockid, AVPacket *  pkt, int  keyframe  )

static

Definition at line 2099 of file matroskaenc.c.

Referenced by mkv_write_packet_internal().

mkv_write_vtt_blocks()

static int mkv_write_vtt_blocks ( AVFormatContext *  s, AVIOContext *  pb, AVPacket *  pkt  )

static

Definition at line 2200 of file matroskaenc.c.

Referenced by mkv_write_packet_internal().

mkv_start_new_cluster()

static void mkv_start_new_cluster ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 2238 of file matroskaenc.c.

Referenced by mkv_write_packet(), and mkv_write_packet_internal().

mkv_check_new_extra_data()

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

static

Definition at line 2256 of file matroskaenc.c.

Referenced by mkv_write_packet().

mkv_write_packet_internal()

static int mkv_write_packet_internal ( AVFormatContext *  s, AVPacket *  pkt, int  add_cue  )

static

Definition at line 2333 of file matroskaenc.c.

Referenced by mkv_write_packet(), and mkv_write_trailer().

mkv_write_packet()

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

static

Definition at line 2415 of file matroskaenc.c.

Referenced by mkv_write_flush_packet().

mkv_write_flush_packet()

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

static

Definition at line 2490 of file matroskaenc.c.

mkv_write_trailer()

static int mkv_write_trailer ( AVFormatContext *  s )

static

Definition at line 2511 of file matroskaenc.c.

mkv_query_codec()

static int mkv_query_codec ( enum AVCodecID  codec_id, int  std_compliance  )

static

Definition at line 2626 of file matroskaenc.c.

mkv_init()

static int mkv_init ( struct AVFormatContext *  s )

static

Definition at line 2643 of file matroskaenc.c.

mkv_check_bitstream()

static int mkv_check_bitstream ( struct AVFormatContext *  s, const AVPacket *  pkt  )

static

Definition at line 2681 of file matroskaenc.c.

Variable Documentation

additional_audio_tags

const AVCodecTag additional_audio_tags[]

static

Initial value:

= {
    { AV_CODEC_ID_ALAC,      0XFFFFFFFF },
    { AV_CODEC_ID_EAC3,      0XFFFFFFFF },
    { AV_CODEC_ID_MLP,       0xFFFFFFFF },
    { AV_CODEC_ID_OPUS,      0xFFFFFFFF },
    { AV_CODEC_ID_PCM_S16BE, 0xFFFFFFFF },
    { AV_CODEC_ID_PCM_S24BE, 0xFFFFFFFF },
    { AV_CODEC_ID_PCM_S32BE, 0xFFFFFFFF },
    { AV_CODEC_ID_QDMC,      0xFFFFFFFF },
    { AV_CODEC_ID_QDM2,      0xFFFFFFFF },
    { AV_CODEC_ID_RA_144,    0xFFFFFFFF },
    { AV_CODEC_ID_RA_288,    0xFFFFFFFF },
    { AV_CODEC_ID_COOK,      0xFFFFFFFF },
    { AV_CODEC_ID_TRUEHD,    0xFFFFFFFF },
    { AV_CODEC_ID_NONE,      0xFFFFFFFF }
}

Definition at line 2696 of file matroskaenc.c.

additional_video_tags

const AVCodecTag additional_video_tags[]

static

Initial value:

= {
    { AV_CODEC_ID_RV10,      0xFFFFFFFF },
    { AV_CODEC_ID_RV20,      0xFFFFFFFF },
    { AV_CODEC_ID_RV30,      0xFFFFFFFF },
    { AV_CODEC_ID_RV40,      0xFFFFFFFF },
    { AV_CODEC_ID_VP9,       0xFFFFFFFF },
    { AV_CODEC_ID_NONE,      0xFFFFFFFF }
}

Definition at line 2713 of file matroskaenc.c.

additional_subtitle_tags

const AVCodecTag additional_subtitle_tags[]

static

Initial value:

= {
    { AV_CODEC_ID_DVB_SUBTITLE,      0xFFFFFFFF },
    { AV_CODEC_ID_HDMV_PGS_SUBTITLE, 0xFFFFFFFF },
    { AV_CODEC_ID_NONE,              0xFFFFFFFF }
}

Definition at line 2722 of file matroskaenc.c.

options

const AVOption options[]

static

Initial value:

= {
    { "reserve_index_space", "Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues).", OFFSET(reserve_cues_space), AV_OPT_TYPE_INT,   { .i64 = 0 },   0, INT_MAX,   FLAGS },
    { "cluster_size_limit",  "Store at most the provided amount of bytes in a cluster. ",                                     OFFSET(cluster_size_limit), AV_OPT_TYPE_INT  , { .i64 = -1 }, -1, INT_MAX,   FLAGS },
    { "cluster_time_limit",  "Store at most the provided number of milliseconds in a cluster.",                               OFFSET(cluster_time_limit), AV_OPT_TYPE_INT64, { .i64 = -1 }, -1, INT64_MAX, FLAGS },
    { "dash", "Create a WebM file conforming to WebM DASH specification", OFFSET(is_dash), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
    { "dash_track_number", "Track number for the DASH stream", OFFSET(dash_track_number), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 127, FLAGS },
    { "live", "Write files assuming it is a live stream.", OFFSET(is_live), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
    { "allow_raw_vfw", "allow RAW VFW mode", OFFSET(allow_raw_vfw), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
    { "write_crc32", "write a CRC32 element inside every Level 1 element", OFFSET(write_crc), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FLAGS },
    { NULL },
}

Definition at line 2730 of file matroskaenc.c.