matroskaenc.c File Reference

#include <stdint.h>
#include "config.h"
#include "av1.h"
#include "avc.h"
#include "hevc.h"
#include "avformat.h"
#include "avio_internal.h"
#include "avlanguage.h"
#include "dovi_isom.h"
#include "flacenc.h"
#include "internal.h"
#include "isom.h"
#include "matroska.h"
#include "riff.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/stereo3d.h"
#include "libavcodec/xiph.h"
#include "libavcodec/mpeg4audio.h"

Go to the source code of this file.

Data Structures
struct	ebml_master
struct	ebml_stored_master
struct	mkv_seekhead_entry
struct	mkv_seekhead
struct	mkv_cuepoint
struct	mkv_cues
struct	mkv_track
struct	MatroskaMuxContext

Macros
#define	MAX_SEEKHEAD_ENTRIES   7
#define	MODE_MATROSKAv2   0x01
#define	MODE_WEBM   0x02
#define	IS_WEBM(mkv)
#define	IS_SEEKABLE(pb, mkv)
#define	MAX_EBML_HEADER_SIZE   35
	2 bytes * 7 for EBML IDs, 7 1-byte EBML lengths, 6 1-byte uint, 8 byte for "matroska" doctype string 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   40
	4 * (1-byte EBML ID, 1-byte EBML size, 8-byte uint max) More...
#define	OPUS_SEEK_PREROLL   80000000
	Seek preroll value for opus. More...
#define	CASE(type, variable)
#define	OFFSET(x)   offsetof(MatroskaMuxContext, x)
#define	FLAGS   AV_OPT_FLAG_ENCODING_PARAM

Enumerations
enum	{ DEFAULT_MODE_INFER, DEFAULT_MODE_INFER_NO_SUBS, DEFAULT_MODE_PASSTHROUGH }

Functions
static int	ebml_id_size (uint32_t id)
static void	put_ebml_id (AVIOContext *pb, uint32_t 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)
	Returns how many bytes are needed to represent a number as EBML variable length integer. More...
static int	ebml_length_size (uint64_t length)
	Calculate how many bytes are needed to represent the length field of an EBML element whose payload has a given length. More...
static void	put_ebml_num (AVIOContext *pb, uint64_t num, int bytes)
	Write a number as EBML variable length integer on bytes bytes. More...
static void	put_ebml_length (AVIOContext *pb, uint64_t length, int bytes)
	Write a length as EBML variable length integer. More...
static void	put_ebml_uid (AVIOContext *pb, uint32_t elementid, uint64_t uid)
	Write a (random) UID with fixed size to make the output more deterministic. More...
static void	put_ebml_uint (AVIOContext *pb, uint32_t elementid, uint64_t val)
static void	put_ebml_sint (AVIOContext *pb, uint32_t elementid, int64_t val)
static void	put_ebml_float (AVIOContext *pb, uint32_t elementid, double val)
static void	put_ebml_binary (AVIOContext *pb, uint32_t elementid, const void *buf, int size)
static void	put_ebml_string (AVIOContext *pb, uint32_t elementid, const char *str)
static void	put_ebml_void (AVIOContext *pb, int size)
	Write a void element of a given size. More...
static ebml_master	start_ebml_master (AVIOContext *pb, uint32_t elementid, uint64_t expectedsize)
static void	end_ebml_master (AVIOContext *pb, ebml_master master)
static void	mkv_add_seekhead_entry (MatroskaMuxContext *mkv, uint32_t elementid, uint64_t filepos)
static int	start_ebml_master_crc32 (AVIOContext **dyn_cp, MatroskaMuxContext *mkv)
static int	end_ebml_master_crc32 (AVIOContext *pb, AVIOContext **dyn_cp, MatroskaMuxContext *mkv, uint32_t id, int length_size, int keep_buffer, int add_seekentry)
static int	end_ebml_master_crc32_tentatively (AVIOContext *pb, ebml_stored_master *elem, MatroskaMuxContext *mkv, uint32_t id)
	Output EBML master. More...
static void	put_xiph_size (AVIOContext *pb, int size)
static void	mkv_deinit (AVFormatContext *s)
	Free the members allocated in the mux context. More...
static void	mkv_start_seekhead (MatroskaMuxContext *mkv, AVIOContext *pb)
	Initialize the SeekHead element to be ready to index level 1 Matroska elements. More...
static int	mkv_write_seekhead (AVIOContext *pb, MatroskaMuxContext *mkv, int error_on_seek_failure, int64_t destpos)
	Write the SeekHead to the file at the location reserved for it and seek to destpos afterwards. More...
static int	mkv_add_cuepoint (MatroskaMuxContext *mkv, int stream, int64_t ts, int64_t cluster_pos, int64_t relative_pos, int64_t duration)
static int	mkv_assemble_cues (AVStream **streams, AVIOContext *dyn_cp, mkv_cues *cues, mkv_track *tracks, int num_tracks)
static int	put_xiph_codecpriv (AVFormatContext *s, AVIOContext *pb, const AVCodecParameters *par)
static int	mkv_write_native_codecprivate (AVFormatContext *s, AVIOContext *pb, const AVCodecParameters *par, AVIOContext *dyn_cp)
static int	mkv_write_codecprivate (AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, int native_id, int qt_id)
static void	mkv_write_video_color (AVIOContext *pb, const AVStream *st, const AVCodecParameters *par)
static void	mkv_write_video_projection (AVFormatContext *s, AVIOContext *pb, const AVStream *st)
static void	mkv_write_field_order (AVIOContext *pb, int is_webm, enum AVFieldOrder field_order)
static int	mkv_write_stereo_mode (AVFormatContext *s, AVIOContext *pb, AVStream *st, int is_webm, int *h_width, int *h_height)
static void	mkv_write_dovi (AVFormatContext *s, AVIOContext *pb, AVStream *st)
static int	mkv_write_track (AVFormatContext *s, MatroskaMuxContext *mkv, AVStream *st, mkv_track *track, AVIOContext *pb, int is_default)
static int	mkv_write_tracks (AVFormatContext *s)
static int	mkv_write_simpletag (AVIOContext *pb, const AVDictionaryEntry *t)
static int	mkv_write_tag_targets (MatroskaMuxContext *mkv, AVIOContext **pb, ebml_master *tag, uint32_t elementid, uint64_t uid)
static int	mkv_check_tag_name (const char *name, uint32_t elementid)
static int	mkv_write_tag (MatroskaMuxContext *mkv, const AVDictionary *m, AVIOContext **pb, ebml_master *tag, uint32_t elementid, uint64_t uid)
static int	mkv_check_tag (const AVDictionary *m, uint32_t elementid)
static int	mkv_write_tags (AVFormatContext *s)
static int	mkv_new_chapter_ids_needed (const AVFormatContext *s)
static int	mkv_write_chapters (AVFormatContext *s)
static const char *	get_mimetype (const AVStream *st)
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, int track_num_size)
static int	mkv_write_block (AVFormatContext *s, AVIOContext *pb, uint32_t blockid, const AVPacket *pkt, int keyframe)
static int	mkv_write_vtt_blocks (AVFormatContext *s, AVIOContext *pb, const AVPacket *pkt)
static int	mkv_end_cluster (AVFormatContext *s)
static int	mkv_check_new_extra_data (AVFormatContext *s, const AVPacket *pkt)
static int	mkv_write_packet_internal (AVFormatContext *s, const AVPacket *pkt)
static int	mkv_write_packet (AVFormatContext *s, const AVPacket *pkt)
static int	mkv_write_flush_packet (AVFormatContext *s, AVPacket *pkt)
static int	mkv_write_trailer (AVFormatContext *s)
static uint64_t	mkv_get_uid (const mkv_track *tracks, int i, AVLFG *c)
static int	mkv_init (struct AVFormatContext *s)
static int	mkv_check_bitstream (AVFormatContext *s, AVStream *st, 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 []
static const AVClass	matroska_webm_class

Macro Definition Documentation

MAX_SEEKHEAD_ENTRIES

#define MAX_SEEKHEAD_ENTRIES   7

Definition at line 62 of file matroskaenc.c.

MODE_MATROSKAv2

#define MODE_MATROSKAv2   0x01

Definition at line 64 of file matroskaenc.c.

MODE_WEBM

#define MODE_WEBM   0x02

Definition at line 65 of file matroskaenc.c.

IS_WEBM

#define IS_WEBM

(

mkv

)

Value:

                      (CONFIG_WEBM_MUXER && CONFIG_MATROSKA_MUXER ? \
                      ((mkv)->mode == MODE_WEBM) : CONFIG_WEBM_MUXER)

Definition at line 67 of file matroskaenc.c.

IS_SEEKABLE

#define IS_SEEKABLE	(		pb,
			mkv
	)

Value:

                              (((pb)->seekable & AVIO_SEEKABLE_NORMAL) && \
                              !(mkv)->is_live)

Definition at line 69 of file matroskaenc.c.

MAX_EBML_HEADER_SIZE

#define MAX_EBML_HEADER_SIZE   35

2 bytes * 7 for EBML IDs, 7 1-byte EBML lengths, 6 1-byte uint, 8 byte for "matroska" doctype string

Definition at line 170 of file matroskaenc.c.

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 174 of file matroskaenc.c.

MAX_CUETRACKPOS_SIZE

#define MAX_CUETRACKPOS_SIZE   40

4 * (1-byte EBML ID, 1-byte EBML size, 8-byte uint max)

Definition at line 177 of file matroskaenc.c.

OPUS_SEEK_PREROLL

#define OPUS_SEEK_PREROLL   80000000

Seek preroll value for opus.

Definition at line 180 of file matroskaenc.c.

CASE

#define CASE	(		type,
			variable
	)

Value:

            case AVMEDIA_TYPE_ ## type:                       \
                variable ## _idx = i;                         \
                if (st->disposition & AV_DISPOSITION_DEFAULT) \
                    variable ## _default_idx = i;             \
                break;

OFFSET

#define OFFSET

(

x

)

offsetof(MatroskaMuxContext, x)

Definition at line 2847 of file matroskaenc.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 2848 of file matroskaenc.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
DEFAULT_MODE_INFER
DEFAULT_MODE_INFER_NO_SUBS
DEFAULT_MODE_PASSTHROUGH

Definition at line 72 of file matroskaenc.c.

Function Documentation

ebml_id_size()

static int ebml_id_size ( uint32_t  id )

static

Definition at line 182 of file matroskaenc.c.

Referenced by mkv_write_seekhead(), and put_ebml_id().

put_ebml_id()

static void put_ebml_id ( AVIOContext *  pb, uint32_t  id  )

static

Definition at line 187 of file matroskaenc.c.

Referenced by end_ebml_master_crc32(), end_ebml_master_crc32_tentatively(), mkv_write_block(), mkv_write_header(), mkv_write_seekhead(), mkv_write_vtt_blocks(), put_ebml_binary(), put_ebml_float(), put_ebml_sint(), put_ebml_uid(), 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 199 of file matroskaenc.c.

Referenced by mkv_write_header(), and start_ebml_master().

ebml_num_size()

static int ebml_num_size ( uint64_t  num )

static

Returns how many bytes are needed to represent a number as EBML variable length integer.

Definition at line 212 of file matroskaenc.c.

Referenced by ebml_length_size(), and mkv_init().

ebml_length_size()

static int ebml_length_size ( uint64_t  length )

static

Calculate how many bytes are needed to represent the length field of an EBML element whose payload has a given length.

Definition at line 225 of file matroskaenc.c.

Referenced by mkv_blockgroup_size(), mkv_write_trailer(), put_ebml_length(), and start_ebml_master().

put_ebml_num()

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

static

Write a number as EBML variable length integer on bytes bytes.

bytes is taken literally without checking.

Definition at line 234 of file matroskaenc.c.

Referenced by mkv_write_block(), mkv_write_vtt_blocks(), and put_ebml_length().

put_ebml_length()

static void put_ebml_length ( AVIOContext *  pb, uint64_t  length, int  bytes  )

static

Write a length as EBML variable length integer.

Parameters

bytes

The number of bytes that need to be used to write the number. If zero, the minimal number of bytes will be used.

Definition at line 247 of file matroskaenc.c.

Referenced by end_ebml_master(), end_ebml_master_crc32(), end_ebml_master_crc32_tentatively(), mkv_write_block(), mkv_write_seekhead(), mkv_write_trailer(), mkv_write_vtt_blocks(), put_ebml_binary(), put_ebml_float(), put_ebml_sint(), put_ebml_uid(), put_ebml_uint(), and put_ebml_void().

put_ebml_uid()

static void put_ebml_uid ( AVIOContext *  pb, uint32_t  elementid, uint64_t  uid  )

static

Write a (random) UID with fixed size to make the output more deterministic.

Definition at line 265 of file matroskaenc.c.

Referenced by mkv_write_attachments(), mkv_write_tag_targets(), and mkv_write_track().

put_ebml_uint()

static void put_ebml_uint ( AVIOContext *  pb, uint32_t  elementid, uint64_t  val  )

static

Definition at line 272 of file matroskaenc.c.

Referenced by mkv_assemble_cues(), mkv_write_block(), mkv_write_chapters(), mkv_write_dovi(), mkv_write_field_order(), mkv_write_header(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_stereo_mode(), 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, uint32_t  elementid, int64_t  val  )

static

Definition at line 285 of file matroskaenc.c.

Referenced by mkv_write_block().

put_ebml_float()

static void put_ebml_float ( AVIOContext *  pb, uint32_t  elementid, double  val  )

static

Definition at line 299 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, uint32_t  elementid, const void *  buf, int  size  )

static

Definition at line 306 of file matroskaenc.c.

Referenced by end_ebml_master_crc32(), mkv_assemble_cues(), mkv_check_new_extra_data(), mkv_write_attachments(), mkv_write_block(), mkv_write_codecprivate(), mkv_write_dovi(), mkv_write_header(), mkv_write_track(), mkv_write_trailer(), mkv_write_video_color(), mkv_write_video_projection(), and put_ebml_string().

put_ebml_string()

static void put_ebml_string ( AVIOContext *  pb, uint32_t  elementid, const char *  str  )

static

Definition at line 314 of file matroskaenc.c.

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

put_ebml_void()

static void put_ebml_void ( AVIOContext *  pb, int  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 326 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, uint32_t  elementid, uint64_t  expectedsize  )

static

Definition at line 344 of file matroskaenc.c.

Referenced by mkv_assemble_cues(), mkv_write_attachments(), mkv_write_block(), mkv_write_chapters(), mkv_write_dovi(), 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(), and mkv_write_vtt_blocks().

end_ebml_master()

static void end_ebml_master ( AVIOContext *  pb, ebml_master  master  )

static

Definition at line 354 of file matroskaenc.c.

Referenced by mkv_assemble_cues(), mkv_write_attachments(), mkv_write_block(), mkv_write_chapters(), mkv_write_dovi(), 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_video_color(), mkv_write_video_projection(), and mkv_write_vtt_blocks().

mkv_add_seekhead_entry()

static void mkv_add_seekhead_entry ( MatroskaMuxContext *  mkv, uint32_t  elementid, uint64_t  filepos  )

static

Definition at line 364 of file matroskaenc.c.

Referenced by end_ebml_master_crc32(), and end_ebml_master_crc32_tentatively().

start_ebml_master_crc32()

static int start_ebml_master_crc32 ( AVIOContext **  dyn_cp, MatroskaMuxContext *  mkv  )

static

Definition at line 375 of file matroskaenc.c.

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

end_ebml_master_crc32()

static int end_ebml_master_crc32 ( AVIOContext *  pb, AVIOContext **  dyn_cp, MatroskaMuxContext *  mkv, uint32_t  id, int  length_size, int  keep_buffer, int  add_seekentry  )

static

Definition at line 388 of file matroskaenc.c.

Referenced by end_ebml_master_crc32_tentatively(), mkv_end_cluster(), mkv_write_attachments(), mkv_write_chapters(), mkv_write_seekhead(), and mkv_write_trailer().

end_ebml_master_crc32_tentatively()

static int end_ebml_master_crc32_tentatively ( AVIOContext *  pb, ebml_stored_master *  elem, MatroskaMuxContext *  mkv, uint32_t  id  )

static

Output EBML master.

Keep the buffer if seekable, allowing for later updates. Furthermore always add a SeekHead Entry for this element.

Definition at line 425 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 448 of file matroskaenc.c.

Referenced by put_xiph_codecpriv().

mkv_deinit()

static void mkv_deinit ( AVFormatContext *  s )

static

Free the members allocated in the mux context.

Definition at line 457 of file matroskaenc.c.

mkv_start_seekhead()

static void mkv_start_seekhead ( MatroskaMuxContext *  mkv, AVIOContext *  pb  )

static

Initialize the SeekHead element to be ready to index level 1 Matroska elements.

Enough space to write MAX_SEEKHEAD_ENTRIES SeekHead entries will be reserved at the current file location.

Definition at line 475 of file matroskaenc.c.

Referenced by mkv_write_header().

mkv_write_seekhead()

static int mkv_write_seekhead ( AVIOContext *  pb, MatroskaMuxContext *  mkv, int  error_on_seek_failure, int64_t  destpos  )

static

Write the SeekHead to the file at the location reserved for it and seek to destpos afterwards.

When error_on_seek_failure is not set, failure to seek to the position designated for the SeekHead is not considered an error and it is presumed that destpos is the current position; failure to seek to destpos afterwards is always an error.

Returns

0 on success, < 0 on error.

Definition at line 495 of file matroskaenc.c.

Referenced by mkv_write_header(), and mkv_write_trailer().

mkv_add_cuepoint()

static int mkv_add_cuepoint ( MatroskaMuxContext *  mkv, int  stream, int64_t  ts, int64_t  cluster_pos, int64_t  relative_pos, int64_t  duration  )

static

Definition at line 536 of file matroskaenc.c.

Referenced by mkv_write_packet_internal().

mkv_assemble_cues()

static int mkv_assemble_cues ( AVStream **  streams, AVIOContext *  dyn_cp, mkv_cues *  cues, mkv_track *  tracks, int  num_tracks  )

static

Definition at line 568 of file matroskaenc.c.

Referenced by mkv_write_trailer().

put_xiph_codecpriv()

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

static

Definition at line 617 of file matroskaenc.c.

Referenced by mkv_write_native_codecprivate().

mkv_write_native_codecprivate()

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

static

Definition at line 727 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 781 of file matroskaenc.c.

Referenced by mkv_check_new_extra_data(), and mkv_write_track().

mkv_write_video_color()

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

static

Definition at line 851 of file matroskaenc.c.

Referenced by mkv_write_track().

mkv_write_video_projection()

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

static

Definition at line 937 of file matroskaenc.c.

Referenced by mkv_write_track().

mkv_write_field_order()

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

static

Definition at line 1004 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  is_webm, int *  h_width, int *  h_height  )

static

Definition at line 1043 of file matroskaenc.c.

Referenced by mkv_write_track().

mkv_write_dovi()

static void mkv_write_dovi ( AVFormatContext *  s, AVIOContext *  pb, AVStream *  st  )

static

Definition at line 1135 of file matroskaenc.c.

Referenced by mkv_write_track().

mkv_write_track()

static int mkv_write_track ( AVFormatContext *  s, MatroskaMuxContext *  mkv, AVStream *  st, mkv_track *  track, AVIOContext *  pb, int  is_default  )

static

Definition at line 1168 of file matroskaenc.c.

Referenced by mkv_write_tracks().

mkv_write_tracks()

static int mkv_write_tracks ( AVFormatContext *  s )

static

Definition at line 1450 of file matroskaenc.c.

Referenced by mkv_write_header().

mkv_write_simpletag()

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

static

Definition at line 1504 of file matroskaenc.c.

Referenced by mkv_write_tag().

mkv_write_tag_targets()

static int mkv_write_tag_targets ( MatroskaMuxContext *  mkv, AVIOContext **  pb, ebml_master *  tag, uint32_t  elementid, uint64_t  uid  )

static

Definition at line 1538 of file matroskaenc.c.

Referenced by mkv_write_tag().

mkv_check_tag_name()

static int mkv_check_tag_name ( const char *  name, uint32_t  elementid  )

static

Definition at line 1558 of file matroskaenc.c.

Referenced by mkv_check_tag(), and mkv_write_tag().

mkv_write_tag()

static int mkv_write_tag ( MatroskaMuxContext *  mkv, const AVDictionary *  m, AVIOContext **  pb, ebml_master *  tag, uint32_t  elementid, uint64_t  uid  )

static

Definition at line 1572 of file matroskaenc.c.

Referenced by mkv_write_chapters(), and mkv_write_tags().

mkv_check_tag()

static int mkv_check_tag ( const AVDictionary *  m, uint32_t  elementid  )

static

Definition at line 1598 of file matroskaenc.c.

Referenced by mkv_write_chapters(), and mkv_write_tags().

mkv_write_tags()

static int mkv_write_tags ( AVFormatContext *  s )

static

Definition at line 1609 of file matroskaenc.c.

Referenced by mkv_write_header().

mkv_new_chapter_ids_needed()

static int mkv_new_chapter_ids_needed ( const AVFormatContext *  s )

static

Definition at line 1682 of file matroskaenc.c.

Referenced by mkv_write_chapters().

mkv_write_chapters()

static int mkv_write_chapters ( AVFormatContext *  s )

static

Definition at line 1694 of file matroskaenc.c.

Referenced by mkv_write_header(), and mkv_write_trailer().

get_mimetype()

static const char* get_mimetype ( const AVStream *  st )

static

Definition at line 1775 of file matroskaenc.c.

Referenced by mkv_init(), and mkv_write_attachments().

mkv_write_attachments()

static int mkv_write_attachments ( AVFormatContext *  s )

static

Definition at line 1792 of file matroskaenc.c.

Referenced by mkv_write_header().

get_metadata_duration()

static int64_t get_metadata_duration ( AVFormatContext *  s )

static

Definition at line 1837 of file matroskaenc.c.

Referenced by mkv_write_header().

mkv_write_header()

static int mkv_write_header ( AVFormatContext *  s )

static

Definition at line 1861 of file matroskaenc.c.

mkv_blockgroup_size()

static int mkv_blockgroup_size ( int  pkt_size, int  track_num_size  )

static

Definition at line 2016 of file matroskaenc.c.

Referenced by mkv_write_packet_internal(), and mkv_write_vtt_blocks().

mkv_write_block()

static int mkv_write_block ( AVFormatContext *  s, AVIOContext *  pb, uint32_t  blockid, const AVPacket *  pkt, int  keyframe  )

static

Definition at line 2080 of file matroskaenc.c.

Referenced by mkv_write_packet_internal().

mkv_write_vtt_blocks()

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

static

Definition at line 2197 of file matroskaenc.c.

Referenced by mkv_write_packet_internal().

mkv_end_cluster()

static int mkv_end_cluster ( AVFormatContext *  s )

static

Definition at line 2250 of file matroskaenc.c.

Referenced by mkv_write_flush_packet(), mkv_write_packet(), and mkv_write_packet_internal().

mkv_check_new_extra_data()

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

static

Definition at line 2269 of file matroskaenc.c.

Referenced by mkv_write_packet().

mkv_write_packet_internal()

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

static

Definition at line 2362 of file matroskaenc.c.

Referenced by mkv_write_packet(), and mkv_write_trailer().

mkv_write_packet()

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

static

Definition at line 2451 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 2525 of file matroskaenc.c.

mkv_write_trailer()

static int mkv_write_trailer ( AVFormatContext *  s )

static

Definition at line 2543 of file matroskaenc.c.

mkv_get_uid()

static uint64_t mkv_get_uid ( const mkv_track *  tracks, int  i, AVLFG *  c  )

static

Definition at line 2699 of file matroskaenc.c.

Referenced by mkv_init().

mkv_init()

static int mkv_init ( struct AVFormatContext *  s )

static

Definition at line 2717 of file matroskaenc.c.

mkv_check_bitstream()

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

static

Definition at line 2802 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_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 2817 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_NONE,      0xFFFFFFFF }
}

Definition at line 2833 of file matroskaenc.c.

additional_subtitle_tags

const AVCodecTag additional_subtitle_tags[]

static

Initial value:

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

Definition at line 2840 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 }, 1, INT_MAX, 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 },
    { "flipped_raw_rgb", "Raw RGB bitmaps in VFW mode are stored bottom-up", OFFSET(flipped_raw_rgb), 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 },
    { "default_mode", "Controls how a track's FlagDefault is inferred", OFFSET(default_mode), AV_OPT_TYPE_INT, { .i64 = DEFAULT_MODE_PASSTHROUGH }, DEFAULT_MODE_INFER, DEFAULT_MODE_PASSTHROUGH, FLAGS, "default_mode" },
    { "infer", "For each track type, mark each track of disposition default as default; if none exists, mark the first track as default.", 0, AV_OPT_TYPE_CONST, { .i64 = DEFAULT_MODE_INFER }, 0, 0, FLAGS, "default_mode" },
    { "infer_no_subs", "For each track type, mark each track of disposition default as default; for audio and video: if none exists, mark the first track as default.", 0, AV_OPT_TYPE_CONST, { .i64 = DEFAULT_MODE_INFER_NO_SUBS }, 0, 0, FLAGS, "default_mode" },
    { "passthrough", "Use the disposition flag as-is", 0, AV_OPT_TYPE_CONST, { .i64 = DEFAULT_MODE_PASSTHROUGH }, 0, 0, FLAGS, "default_mode" },
    { NULL },
}

Definition at line 2849 of file matroskaenc.c.

matroska_webm_class

const AVClass matroska_webm_class

static

Initial value:

= {
    .class_name = "matroska/webm muxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 2866 of file matroskaenc.c.