matroskaenc.c File Reference

#include <stdbool.h>
#include <stdint.h>
#include "config_components.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 "nal.h"
#include "matroska.h"
#include "mux.h"
#include "riff.h"
#include "version.h"
#include "vorbiscomment.h"
#include "vvc.h"
#include "wv.h"
#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/crc.h"
#include "libavutil/dict.h"
#include "libavutil/hdr_dynamic_metadata.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/mem.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/random_seed.h"
#include "libavutil/rational.h"
#include "libavutil/samplefmt.h"
#include "libavutil/stereo3d.h"
#include "libavcodec/av1.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/codec_desc.h"
#include "libavcodec/codec_par.h"
#include "libavcodec/defs.h"
#include "libavcodec/itut35.h"
#include "libavcodec/xiph.h"
#include "libavcodec/mpeg4audio.h"
#include "libavcodec/opus/tab.h"

Go to the source code of this file.

Data Structures
struct	ebml_master
struct	ebml_stored_master
struct	BlockContext
struct	EbmlMaster
struct	EbmlElement
struct	EbmlWriter
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	MAX_EBML_LENGTH   ((1ULL << 56) - 2)
#define	MAX_SUPPORTED_EBML_LENGTH   FFMIN(MAX_EBML_LENGTH, INT_MAX)
#define	MODE_MATROSKAv2   0x01
#define	MODE_WEBM   0x02
#define	IS_WEBM(mkv)
#define	IS_SEEKABLE(pb, mkv)
#define	EBML_WRITER(max_nb_elems)
#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
#define	MAX_CUETRACKPOS_SIZE   40
	4 * (1-byte EBML ID, 1-byte EBML size, 8-byte uint max)
#define	DURATION_STRING_LENGTH   19
	DURATION_STRING_LENGTH must be <= 112 or the containing simpletag will need more than one byte for its length field.
#define	DURATION_SIMPLETAG_SIZE   (2 + 1 + (2 + 1 + 8) + (2 + 1 + DURATION_STRING_LENGTH))
	2 + 1 Simpletag header, 2 + 1 + 8 Name "DURATION", rest for TagString
#define	OPUS_SEEK_PREROLL   80000000
	Seek preroll value for opus.
#define	MAX_VIDEO_COLOR_ELEMS   20
#define	MAX_VIDEO_PROJECTION_ELEMS   6
#define	MAX_FIELD_ORDER_ELEMS   2
#define	MAX_STEREO_MODE_ELEMS   1
#define	FLAG(STEREOMODETYPE, BOOL)
#define	WDIV1(STEREOMODETYPE, STEREO3DTYPE, FLAGS, WDIV, HDIV, WEBM)
#define	WDIV2(STEREOMODETYPE, WDIV, HDIV, WEBM)
#define	HDIV1(STEREOMODETYPE, STEREO3DTYPE, FLAGS, WDIV, HDIV, WEBM)
#define	HDIV2(STEREOMODETYPE, WDIV, HDIV, WEBM)
#define	WEBM1(STEREOMODETYPE, STEREO3DTYPE, FLAGS, WDIV, HDIV, WEBM)
#define	WEBM2(STEREOMODETYPE, WDIV, HDIV, WEBM)
#define	STEREOMODE(STEREOMODETYPE, STEREO3DTYPE, FLAGS, WDIV, HDIV, WEBM)
#define	NOTHING(STEREOMODETYPE, WDIV, HDIV, WEBM)
#define	CASE(type, variable)
#define	SMPTE_2094_APP5_MAX_SIZE   855
#define	OFFSET(x)
#define	FLAGS   AV_OPT_FLAG_ENCODING_PARAM

Enumerations
enum	{ DEFAULT_MODE_INFER , DEFAULT_MODE_INFER_NO_SUBS , DEFAULT_MODE_PASSTHROUGH }
enum	EbmlType {   EBML_UINT , EBML_SINT , EBML_FLOAT , EBML_UID ,   EBML_STR , EBML_UTF8 = EBML_STR , EBML_BIN , EBML_BLOCK ,   EBML_MASTER }

Functions
static int	parse_opus_packet_duration (const uint8_t *buf, int buf_size)
	Returns the duration of an Opus packet in samples.
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".
static int	ebml_num_size (uint64_t num)
	Returns how many bytes are needed to represent a number as EBML variable length integer.
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.
static void	put_ebml_num (AVIOContext *pb, uint64_t num, int bytes)
	Write a number as EBML variable length integer on bytes bytes.
static void	put_ebml_length (AVIOContext *pb, uint64_t length, int bytes)
	Write a length as EBML variable length integer.
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.
static void	put_ebml_uint (AVIOContext *pb, uint32_t elementid, uint64_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.
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 EbmlElement *	ebml_writer_add (EbmlWriter *writer, uint32_t id, EbmlType type)
static void	ebml_writer_open_master (EbmlWriter *writer, uint32_t id)
static void	ebml_writer_close_master (EbmlWriter *writer)
static void	ebml_writer_close_or_discard_master (EbmlWriter *writer)
static void	ebml_writer_add_string (EbmlWriter *writer, uint32_t id, const char *str)
static void	ebml_writer_add_bin (EbmlWriter *writer, uint32_t id, const uint8_t *data, size_t size)
static void	ebml_writer_add_float (EbmlWriter *writer, uint32_t id, double val)
static void	ebml_writer_add_uid (EbmlWriter *writer, uint32_t id, uint64_t val)
static void	ebml_writer_add_uint (EbmlWriter *writer, uint32_t id, uint64_t val)
static void	ebml_writer_add_sint (EbmlWriter *writer, uint32_t id, int64_t val)
static void	ebml_writer_add_block (EbmlWriter *writer, MatroskaMuxContext *mkv)
static int	ebml_writer_str_len (EbmlElement *elem)
static av_const int	uint_size (uint64_t val)
static int	ebml_writer_uint_len (EbmlElement *elem)
static av_const int	sint_size (int64_t val)
static int	ebml_writer_sint_len (EbmlElement *elem)
static int	ebml_writer_elem_len (EbmlWriter *writer, EbmlElement *elem, int remaining_elems)
static int	ebml_writer_master_len (EbmlWriter *writer, EbmlElement *elem, int remaining_elems)
static int	ebml_writer_block_len (EbmlElement *elem)
static void	ebml_writer_write_block (const EbmlElement *elem, AVIOContext *pb)
static int	ebml_writer_elem_write (const EbmlElement *elem, AVIOContext *pb)
static int	ebml_writer_write (EbmlWriter *writer, AVIOContext *pb)
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.
static void	put_xiph_size (AVIOContext *pb, int size)
static void	mkv_deinit (AVFormatContext *s)
	Free the members allocated in the mux context.
static void	mkv_start_seekhead (MatroskaMuxContext *mkv, AVIOContext *pb)
	Initialize the SeekHead element to be ready to index level 1 Matroska elements.
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.
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, AVIOContext *cuepoint, const mkv_cues *cues, mkv_track *tracks, int num_tracks, uint64_t offset)
static int	put_xiph_codecpriv (AVFormatContext *s, AVIOContext *pb, const AVCodecParameters *par, const uint8_t *extradata, int extradata_size)
static int	mkv_assemble_native_codecprivate (AVFormatContext *s, AVIOContext *dyn_cp, const AVCodecParameters *par, const uint8_t *extradata, int extradata_size, unsigned *size_to_reserve)
static int	mkv_assemble_codecprivate (AVFormatContext *s, AVIOContext *dyn_cp, AVCodecParameters *par, const uint8_t *extradata, int extradata_size, int native_id, int qt_id, uint8_t **codecpriv, int *codecpriv_size, unsigned *max_payload_size)
static void	mkv_put_codecprivate (AVIOContext *pb, unsigned max_payload_size, const uint8_t *codecpriv, unsigned codecpriv_size)
static int	mkv_update_codecprivate (AVFormatContext *s, MatroskaMuxContext *mkv, uint8_t *side_data, int side_data_size, AVCodecParameters *par, AVIOContext *pb, mkv_track *track, unsigned alternative_size)
static void	mkv_write_video_color (EbmlWriter *writer, const AVStream *st, const AVCodecParameters *par)
static void	mkv_handle_rotation (void *logctx, const AVCodecParameters *par, double *yaw, double *roll)
static int	mkv_handle_spherical (void *logctx, EbmlWriter *writer, const AVCodecParameters *par, uint8_t private[], double *yaw, double *pitch, double *roll)
static void	mkv_write_video_projection (void *logctx, EbmlWriter *wr, const AVCodecParameters *par, uint8_t private[])
static void	mkv_write_field_order (EbmlWriter *writer, int is_webm, enum AVFieldOrder field_order)
static int	mkv_write_stereo_mode (AVFormatContext *s, EbmlWriter *writer, const AVCodecParameters *par, const AVStream *st, int is_webm, int *h_width, int *h_height)
static void	mkv_write_blockadditionmapping (AVFormatContext *s, const MatroskaMuxContext *mkv, const AVCodecParameters *par, AVIOContext *pb, mkv_track *track, const AVStream *st)
static bool	codec_has_blockadditional_alpha (AVFormatContext *s, const AVStream *st, const AVCodecParameters *par)
static int	mkv_write_track_video (AVFormatContext *s, MatroskaMuxContext *mkv, const AVStream *st, const AVCodecParameters *par, AVIOContext *pb)
static void	mkv_write_default_duration (mkv_track *track, AVIOContext *pb, AVRational duration)
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 void	mkv_write_tag_targets (MatroskaMuxContext *mkv, AVIOContext *pb, 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, unsigned reserved_size, uint32_t elementid, uint64_t uid)
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 void	ebml_write_header (AVIOContext *pb, const char *doctype, int version)
static int	mkv_write_info (AVFormatContext *s)
static int	mkv_write_header (AVFormatContext *s)
static int	mkv_reformat_av1 (MatroskaMuxContext *mkv, AVIOContext *pb, const AVPacket *pkt, int *size)
static int	webm_reformat_vtt (MatroskaMuxContext *mkv, AVIOContext *pb, const AVPacket *pkt, int *size)
static void	mkv_write_blockadditional (EbmlWriter *writer, const uint8_t *buf, size_t size, uint64_t additional_id)
static int	mkv_write_block (void *logctx, MatroskaMuxContext *mkv, AVIOContext *pb, const AVStream *st, mkv_track *track, const AVPacket *pkt, int keyframe, int64_t ts, uint64_t duration, int force_blockgroup, int64_t relative_packet_pos)
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_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 77 of file matroskaenc.c.

Referenced by mkv_add_seekhead_entry(), and mkv_start_seekhead().

MAX_EBML_LENGTH

#define MAX_EBML_LENGTH   ((1ULL << 56) - 2)

Definition at line 80 of file matroskaenc.c.

MAX_SUPPORTED_EBML_LENGTH

#define MAX_SUPPORTED_EBML_LENGTH   FFMIN(MAX_EBML_LENGTH, INT_MAX)

Definition at line 83 of file matroskaenc.c.

Referenced by ebml_writer_elem_len(), and ebml_writer_master_len().

MODE_MATROSKAv2

#define MODE_MATROSKAv2   0x01

Definition at line 85 of file matroskaenc.c.

Referenced by mkv_init().

MODE_WEBM

#define MODE_WEBM   0x02

Definition at line 86 of file matroskaenc.c.

Referenced by mkv_init().

IS_WEBM

#define IS_WEBM

(

mkv

)

Value:

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

Definition at line 88 of file matroskaenc.c.

Referenced by mkv_init(), mkv_write_chapters(), mkv_write_header(), mkv_write_info(), mkv_write_tags(), mkv_write_track(), and mkv_write_track_video().

IS_SEEKABLE

#define IS_SEEKABLE	(		pb,
			mkv )

Value:

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

Definition at line 90 of file matroskaenc.c.

Referenced by end_ebml_master_crc32_tentatively(), mkv_write_blockadditionmapping(), mkv_write_header(), mkv_write_packet_internal(), mkv_write_tags(), and mkv_write_trailer().

EBML_WRITER

#define EBML_WRITER

(

max_nb_elems

)

Value:

     EbmlElement elements[max_nb_elems]; \
     EbmlWriter writer = (EbmlWriter){ .elements = elements, \
                                       .current_master_element = -1 }

Definition at line 156 of file matroskaenc.c.

Referenced by ebml_write_header(), mkv_write_attachments(), mkv_write_block(), mkv_write_chapters(), mkv_write_simpletag(), and mkv_write_track_video().

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 271 of file matroskaenc.c.

Referenced by mkv_start_seekhead(), and mkv_write_seekhead().

MAX_CUETRACKPOS_SIZE

#define MAX_CUETRACKPOS_SIZE   40

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

Definition at line 274 of file matroskaenc.c.

Referenced by mkv_assemble_cues().

DURATION_STRING_LENGTH

#define DURATION_STRING_LENGTH   19

DURATION_STRING_LENGTH must be <= 112 or the containing simpletag will need more than one byte for its length field.

Definition at line 278 of file matroskaenc.c.

Referenced by mkv_write_trailer().

DURATION_SIMPLETAG_SIZE

#define DURATION_SIMPLETAG_SIZE   (2 + 1 + (2 + 1 + 8) + (2 + 1 + DURATION_STRING_LENGTH))

2 + 1 Simpletag header, 2 + 1 + 8 Name "DURATION", rest for TagString

Definition at line 281 of file matroskaenc.c.

Referenced by mkv_write_tags().

OPUS_SEEK_PREROLL

#define OPUS_SEEK_PREROLL   80000000

Seek preroll value for opus.

Definition at line 284 of file matroskaenc.c.

Referenced by mkv_write_track().

MAX_VIDEO_COLOR_ELEMS

#define MAX_VIDEO_COLOR_ELEMS   20

Definition at line 1371 of file matroskaenc.c.

Referenced by mkv_write_track_video().

MAX_VIDEO_PROJECTION_ELEMS

#define MAX_VIDEO_PROJECTION_ELEMS   6

Definition at line 1454 of file matroskaenc.c.

Referenced by mkv_write_track_video().

MAX_FIELD_ORDER_ELEMS

#define MAX_FIELD_ORDER_ELEMS   2

Definition at line 1593 of file matroskaenc.c.

Referenced by mkv_write_track_video().

MAX_STEREO_MODE_ELEMS

#define MAX_STEREO_MODE_ELEMS   1

Definition at line 1633 of file matroskaenc.c.

Referenced by mkv_write_track_video().

FLAG

#define FLAG	(		STEREOMODETYPE,
			BOOL )

Value:

| (BOOL) << (STEREOMODETYPE)

WDIV1

#define WDIV1	(		STEREOMODETYPE,
			STEREO3DTYPE,
			FLAGS,
			WDIV,
			HDIV,
			WEBM )

Value:

    FLAG(STEREOMODETYPE, WDIV)

Referenced by mkv_write_stereo_mode().

WDIV2

#define WDIV2	(		STEREOMODETYPE,
			WDIV,
			HDIV,
			WEBM )

Value:

    FLAG(STEREOMODETYPE, WDIV)

Referenced by mkv_write_stereo_mode().

HDIV1

#define HDIV1	(		STEREOMODETYPE,
			STEREO3DTYPE,
			FLAGS,
			WDIV,
			HDIV,
			WEBM )

Value:

    FLAG(STEREOMODETYPE, HDIV)

Referenced by mkv_write_stereo_mode().

HDIV2

#define HDIV2	(		STEREOMODETYPE,
			WDIV,
			HDIV,
			WEBM )

Value:

    FLAG(STEREOMODETYPE, HDIV)

Referenced by mkv_write_stereo_mode().

WEBM1

#define WEBM1	(		STEREOMODETYPE,
			STEREO3DTYPE,
			FLAGS,
			WDIV,
			HDIV,
			WEBM )

Value:

    FLAG(STEREOMODETYPE, WEBM)

Referenced by mkv_write_stereo_mode().

WEBM2

#define WEBM2	(		STEREOMODETYPE,
			WDIV,
			HDIV,
			WEBM )

Value:

    FLAG(STEREOMODETYPE, WEBM)

Referenced by mkv_write_stereo_mode().

STEREOMODE

#define STEREOMODE	(		STEREOMODETYPE,
			STEREO3DTYPE,
			FLAGS,
			WDIV,
			HDIV,
			WEBM )

Value:

    [(STEREO3DTYPE)][!!((FLAGS) & AV_STEREO3D_FLAG_INVERT)] = (STEREOMODETYPE) + 1,

Referenced by mkv_write_stereo_mode().

NOTHING

#define NOTHING	(		STEREOMODETYPE,
			WDIV,
			HDIV,
			WEBM )

CASE

#define CASE	(		type,
			variable )

Value:

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

Referenced by mkv_write_tracks().

SMPTE_2094_APP5_MAX_SIZE

#define SMPTE_2094_APP5_MAX_SIZE   855

Referenced by mkv_write_block().

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(MatroskaMuxContext, x)

Definition at line 3671 of file matroskaenc.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 3672 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 93 of file matroskaenc.c.

EbmlType

enum EbmlType

Enumerator
EBML_UINT
EBML_SINT
EBML_FLOAT
EBML_UID
EBML_STR
EBML_UTF8
EBML_BIN
EBML_BLOCK	pseudo-type for writing (Simple)Blocks
EBML_MASTER

Definition at line 109 of file matroskaenc.c.

Function Documentation

parse_opus_packet_duration()

static int parse_opus_packet_duration ( const uint8_t * buf, int buf_size )

static

Returns the duration of an Opus packet in samples.

Definition at line 289 of file matroskaenc.c.

Referenced by mkv_write_block().

ebml_id_size()

static int ebml_id_size ( uint32_t id )

static

Definition at line 314 of file matroskaenc.c.

Referenced by ebml_writer_master_len(), mkv_write_seekhead(), and put_ebml_id().

put_ebml_id()

static void put_ebml_id ( AVIOContext * pb, uint32_t id )

static

Definition at line 319 of file matroskaenc.c.

Referenced by ebml_writer_elem_write(), end_ebml_master_crc32(), end_ebml_master_crc32_tentatively(), mkv_put_codecprivate(), mkv_write_header(), mkv_write_seekhead(), put_ebml_binary(), put_ebml_float(), 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 331 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 344 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 357 of file matroskaenc.c.

Referenced by ebml_writer_elem_len(), mkv_put_codecprivate(), mkv_write_blockadditionmapping(), 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 366 of file matroskaenc.c.

Referenced by ebml_writer_elem_write(), ebml_writer_write_block(), 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 379 of file matroskaenc.c.

Referenced by end_ebml_master(), end_ebml_master_crc32(), end_ebml_master_crc32_tentatively(), mkv_put_codecprivate(), mkv_write_seekhead(), mkv_write_trailer(), put_ebml_binary(), put_ebml_float(), 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 397 of file matroskaenc.c.

Referenced by 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 404 of file matroskaenc.c.

Referenced by mkv_assemble_cues(), mkv_write_blockadditionmapping(), mkv_write_chapters(), mkv_write_default_duration(), mkv_write_info(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_track(), and mkv_write_trailer().

put_ebml_float()

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

static

Definition at line 417 of file matroskaenc.c.

Referenced by mkv_check_new_extra_data(), mkv_write_info(), mkv_write_track(), and mkv_write_trailer().

put_ebml_binary()

static void put_ebml_binary ( AVIOContext * pb, uint32_t elementid, const void * buf, int size )

static

Definition at line 424 of file matroskaenc.c.

Referenced by end_ebml_master_crc32(), mkv_assemble_cues(), mkv_write_blockadditionmapping(), mkv_write_info(), mkv_write_tag(), mkv_write_trailer(), and put_ebml_string().

put_ebml_string()

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

static

Definition at line 432 of file matroskaenc.c.

Referenced by mkv_write_blockadditionmapping(), mkv_write_info(), mkv_write_track(), and mkv_write_trailer().

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 444 of file matroskaenc.c.

Referenced by mkv_put_codecprivate(), mkv_start_seekhead(), mkv_write_blockadditionmapping(), mkv_write_header(), mkv_write_info(), mkv_write_seekhead(), mkv_write_tag(), 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 462 of file matroskaenc.c.

Referenced by mkv_assemble_cues(), mkv_write_blockadditionmapping(), mkv_write_chapters(), mkv_write_seekhead(), mkv_write_tag_targets(), mkv_write_track(), and mkv_write_trailer().

end_ebml_master()

static void end_ebml_master ( AVIOContext * pb, ebml_master master )

static

Definition at line 472 of file matroskaenc.c.

Referenced by mkv_assemble_cues(), mkv_write_blockadditionmapping(), mkv_write_chapters(), mkv_write_seekhead(), mkv_write_tag_targets(), mkv_write_track(), and mkv_write_trailer().

ebml_writer_add()

static EbmlElement * ebml_writer_add ( EbmlWriter * writer, uint32_t id, EbmlType type )

static

Definition at line 482 of file matroskaenc.c.

Referenced by ebml_writer_add_bin(), ebml_writer_add_block(), ebml_writer_add_float(), ebml_writer_add_sint(), ebml_writer_add_string(), ebml_writer_add_uid(), ebml_writer_add_uint(), and ebml_writer_open_master().

ebml_writer_open_master()

static void ebml_writer_open_master ( EbmlWriter * writer, uint32_t id )

static

Definition at line 490 of file matroskaenc.c.

Referenced by ebml_write_header(), mkv_write_attachments(), mkv_write_block(), mkv_write_blockadditional(), mkv_write_chapters(), mkv_write_simpletag(), mkv_write_track_video(), mkv_write_video_color(), and mkv_write_video_projection().

ebml_writer_close_master()

static void ebml_writer_close_master ( EbmlWriter * writer )

static

Definition at line 501 of file matroskaenc.c.

Referenced by ebml_writer_close_or_discard_master(), and mkv_write_blockadditional().

ebml_writer_close_or_discard_master()

static void ebml_writer_close_or_discard_master ( EbmlWriter * writer )

static

Definition at line 515 of file matroskaenc.c.

Referenced by mkv_write_block(), mkv_write_video_color(), and mkv_write_video_projection().

ebml_writer_add_string()

static void ebml_writer_add_string ( EbmlWriter * writer, uint32_t id, const char * str )

static

Definition at line 533 of file matroskaenc.c.

Referenced by ebml_write_header(), mkv_write_attachments(), mkv_write_chapters(), and mkv_write_simpletag().

ebml_writer_add_bin()

static void ebml_writer_add_bin ( EbmlWriter * writer, uint32_t id, const uint8_t * data, size_t size )

static

Definition at line 541 of file matroskaenc.c.

Referenced by mkv_handle_spherical(), mkv_write_attachments(), mkv_write_blockadditional(), and mkv_write_track_video().

ebml_writer_add_float()

static void ebml_writer_add_float ( EbmlWriter * writer, uint32_t id, double val )

static

Definition at line 553 of file matroskaenc.c.

Referenced by mkv_write_video_color(), and mkv_write_video_projection().

ebml_writer_add_uid()

static void ebml_writer_add_uid ( EbmlWriter * writer, uint32_t id, uint64_t val )

static

Definition at line 561 of file matroskaenc.c.

Referenced by mkv_write_attachments().

ebml_writer_add_uint()

static void ebml_writer_add_uint ( EbmlWriter * writer, uint32_t id, uint64_t val )

static

Definition at line 568 of file matroskaenc.c.

Referenced by ebml_write_header(), mkv_handle_spherical(), mkv_write_block(), mkv_write_blockadditional(), mkv_write_chapters(), mkv_write_field_order(), mkv_write_stereo_mode(), mkv_write_track_video(), and mkv_write_video_color().

ebml_writer_add_sint()

static void ebml_writer_add_sint ( EbmlWriter * writer, uint32_t id, int64_t val )

static

Definition at line 575 of file matroskaenc.c.

Referenced by mkv_write_block().

ebml_writer_add_block()

static void ebml_writer_add_block ( EbmlWriter * writer, MatroskaMuxContext * mkv )

static

Definition at line 582 of file matroskaenc.c.

Referenced by mkv_write_block().

ebml_writer_str_len()

static int ebml_writer_str_len ( EbmlElement * elem )

static

Definition at line 588 of file matroskaenc.c.

Referenced by ebml_writer_elem_len().

uint_size()

static av_const int uint_size ( uint64_t val )

static

Definition at line 598 of file matroskaenc.c.

Referenced by ebml_writer_uint_len(), and sint_size().

ebml_writer_uint_len()

static int ebml_writer_uint_len ( EbmlElement * elem )

static

Definition at line 607 of file matroskaenc.c.

Referenced by ebml_writer_elem_len().

sint_size()

static av_const int sint_size ( int64_t val )

static

Definition at line 613 of file matroskaenc.c.

Referenced by ebml_writer_sint_len().

ebml_writer_sint_len()

static int ebml_writer_sint_len ( EbmlElement * elem )

static

Definition at line 619 of file matroskaenc.c.

Referenced by ebml_writer_elem_len().

ebml_writer_elem_len()

static int ebml_writer_elem_len ( EbmlWriter * writer, EbmlElement * elem, int remaining_elems )

static

Definition at line 700 of file matroskaenc.c.

Referenced by ebml_writer_master_len(), and ebml_writer_write().

ebml_writer_master_len()

static int ebml_writer_master_len ( EbmlWriter * writer, EbmlElement * elem, int remaining_elems )

static

Definition at line 628 of file matroskaenc.c.

Referenced by ebml_writer_elem_len().

ebml_writer_block_len()

static int ebml_writer_block_len ( EbmlElement * elem )

static

Definition at line 654 of file matroskaenc.c.

Referenced by ebml_writer_elem_len().

ebml_writer_write_block()

static void ebml_writer_write_block ( const EbmlElement * elem, AVIOContext * pb )

static

Definition at line 679 of file matroskaenc.c.

Referenced by ebml_writer_elem_write().

ebml_writer_elem_write()

static int ebml_writer_elem_write ( const EbmlElement * elem, AVIOContext * pb )

static

Definition at line 734 of file matroskaenc.c.

Referenced by ebml_writer_elem_write(), and ebml_writer_write().

ebml_writer_write()

static int ebml_writer_write ( EbmlWriter * writer, AVIOContext * pb )

static

Definition at line 777 of file matroskaenc.c.

Referenced by ebml_write_header(), mkv_write_attachments(), mkv_write_block(), mkv_write_chapters(), mkv_write_simpletag(), and mkv_write_track_video().

mkv_add_seekhead_entry()

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

static

Definition at line 787 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 798 of file matroskaenc.c.

Referenced by mkv_write_attachments(), mkv_write_chapters(), mkv_write_info(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_tag(), 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 811 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 848 of file matroskaenc.c.

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

put_xiph_size()

static void put_xiph_size ( AVIOContext * pb, int size )

static

Definition at line 871 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 880 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 901 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 921 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 962 of file matroskaenc.c.

Referenced by mkv_write_packet_internal().

mkv_assemble_cues()

static int mkv_assemble_cues ( AVStream ** streams, AVIOContext * dyn_cp, AVIOContext * cuepoint, const mkv_cues * cues, mkv_track * tracks, int num_tracks, uint64_t offset )

static

Definition at line 994 of file matroskaenc.c.

Referenced by mkv_write_trailer().

put_xiph_codecpriv()

static int put_xiph_codecpriv ( AVFormatContext * s, AVIOContext * pb, const AVCodecParameters * par, const uint8_t * extradata, int extradata_size )

static

Definition at line 1036 of file matroskaenc.c.

Referenced by mkv_assemble_native_codecprivate().

mkv_assemble_native_codecprivate()

static int mkv_assemble_native_codecprivate ( AVFormatContext * s, AVIOContext * dyn_cp, const AVCodecParameters * par, const uint8_t * extradata, int extradata_size, unsigned * size_to_reserve )

static

Definition at line 1150 of file matroskaenc.c.

Referenced by mkv_assemble_codecprivate().

mkv_assemble_codecprivate()

static int mkv_assemble_codecprivate ( AVFormatContext * s, AVIOContext * dyn_cp, AVCodecParameters * par, const uint8_t * extradata, int extradata_size, int native_id, int qt_id, uint8_t ** codecpriv, int * codecpriv_size, unsigned * max_payload_size )

static

Definition at line 1230 of file matroskaenc.c.

Referenced by mkv_update_codecprivate(), and mkv_write_track().

mkv_put_codecprivate()

static void mkv_put_codecprivate ( AVIOContext * pb, unsigned max_payload_size, const uint8_t * codecpriv, unsigned codecpriv_size )

static

Definition at line 1305 of file matroskaenc.c.

Referenced by mkv_update_codecprivate(), and mkv_write_track().

mkv_update_codecprivate()

static int mkv_update_codecprivate ( AVFormatContext * s, MatroskaMuxContext * mkv, uint8_t * side_data, int side_data_size, AVCodecParameters * par, AVIOContext * pb, mkv_track * track, unsigned alternative_size )

static

Definition at line 1334 of file matroskaenc.c.

Referenced by mkv_check_new_extra_data().

mkv_write_video_color()

static void mkv_write_video_color ( EbmlWriter * writer, const AVStream * st, const AVCodecParameters * par )

static

Definition at line 1372 of file matroskaenc.c.

Referenced by mkv_write_track_video().

mkv_handle_rotation()

static void mkv_handle_rotation ( void * logctx, const AVCodecParameters * par, double * yaw, double * roll )

static

Definition at line 1455 of file matroskaenc.c.

Referenced by mkv_write_video_projection().

mkv_handle_spherical()

static int mkv_handle_spherical ( void * logctx, EbmlWriter * writer, const AVCodecParameters * par, uint8_t private[], double * yaw, double * pitch, double * roll )

static

Definition at line 1510 of file matroskaenc.c.

Referenced by mkv_write_video_projection().

mkv_write_video_projection()

static void mkv_write_video_projection ( void * logctx, EbmlWriter * wr, const AVCodecParameters * par, uint8_t private[] )

static

Definition at line 1570 of file matroskaenc.c.

Referenced by mkv_write_track_video().

mkv_write_field_order()

static void mkv_write_field_order ( EbmlWriter * writer, int is_webm, enum AVFieldOrder field_order )

static

Definition at line 1594 of file matroskaenc.c.

Referenced by mkv_write_track_video().

mkv_write_stereo_mode()

static int mkv_write_stereo_mode ( AVFormatContext * s, EbmlWriter * writer, const AVCodecParameters * par, const AVStream * st, int is_webm, int * h_width, int * h_height )

static

Definition at line 1634 of file matroskaenc.c.

Referenced by mkv_write_track_video().

mkv_write_blockadditionmapping()

static void mkv_write_blockadditionmapping ( AVFormatContext * s, const MatroskaMuxContext * mkv, const AVCodecParameters * par, AVIOContext * pb, mkv_track * track, const AVStream * st )

static

Definition at line 1734 of file matroskaenc.c.

Referenced by mkv_write_track().

codec_has_blockadditional_alpha()

static bool codec_has_blockadditional_alpha ( AVFormatContext * s, const AVStream * st, const AVCodecParameters * par )

static

Definition at line 1811 of file matroskaenc.c.

Referenced by mkv_write_track_video().

mkv_write_track_video()

static int mkv_write_track_video ( AVFormatContext * s, MatroskaMuxContext * mkv, const AVStream * st, const AVCodecParameters * par, AVIOContext * pb )

static

Definition at line 1825 of file matroskaenc.c.

Referenced by mkv_write_track().

mkv_write_default_duration()

static void mkv_write_default_duration ( mkv_track * track, AVIOContext * pb, AVRational duration )

static

Definition at line 1933 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 1943 of file matroskaenc.c.

Referenced by mkv_write_tracks().

mkv_write_tracks()

static int mkv_write_tracks ( AVFormatContext * s )

static

Definition at line 2194 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 2248 of file matroskaenc.c.

Referenced by mkv_write_tag().

mkv_write_tag_targets()

static void mkv_write_tag_targets ( MatroskaMuxContext * mkv, AVIOContext * pb, uint32_t elementid, uint64_t uid )

static

Definition at line 2283 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 2293 of file matroskaenc.c.

Referenced by mkv_write_tag().

mkv_write_tag()

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

static

Definition at line 2307 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 2348 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 2399 of file matroskaenc.c.

Referenced by mkv_write_chapters().

mkv_write_chapters()

static int mkv_write_chapters ( AVFormatContext * s )

static

Definition at line 2411 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 2496 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 2513 of file matroskaenc.c.

Referenced by mkv_write_header().

get_metadata_duration()

static int64_t get_metadata_duration ( AVFormatContext * s )

static

Definition at line 2563 of file matroskaenc.c.

Referenced by mkv_write_info().

ebml_write_header()

static void ebml_write_header ( AVIOContext * pb, const char * doctype, int version )

static

Definition at line 2587 of file matroskaenc.c.

Referenced by mkv_write_header().

mkv_write_info()

static int mkv_write_info ( AVFormatContext * s )

static

Definition at line 2603 of file matroskaenc.c.

Referenced by mkv_write_header().

mkv_write_header()

static int mkv_write_header ( AVFormatContext * s )

static

Definition at line 2662 of file matroskaenc.c.

mkv_reformat_av1()

static int mkv_reformat_av1 ( MatroskaMuxContext * mkv, AVIOContext * pb, const AVPacket * pkt, int * size )

static

Definition at line 2818 of file matroskaenc.c.

Referenced by mkv_init().

webm_reformat_vtt()

static int webm_reformat_vtt ( MatroskaMuxContext * mkv, AVIOContext * pb, const AVPacket * pkt, int * size )

static

Definition at line 2828 of file matroskaenc.c.

Referenced by mkv_init().

mkv_write_blockadditional()

static void mkv_write_blockadditional ( EbmlWriter * writer, const uint8_t * buf, size_t size, uint64_t additional_id )

static

Definition at line 2855 of file matroskaenc.c.

Referenced by mkv_write_block().

mkv_write_block()

static int mkv_write_block ( void * logctx, MatroskaMuxContext * mkv, AVIOContext * pb, const AVStream * st, mkv_track * track, const AVPacket * pkt, int keyframe, int64_t ts, uint64_t duration, int force_blockgroup, int64_t relative_packet_pos )

static

Definition at line 2864 of file matroskaenc.c.

Referenced by mkv_write_packet_internal().

mkv_end_cluster()

static int mkv_end_cluster ( AVFormatContext * s )

static

Definition at line 3033 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 3052 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 3124 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 3200 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 3274 of file matroskaenc.c.

mkv_write_trailer()

static int mkv_write_trailer ( AVFormatContext * s )

static

Definition at line 3292 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 3495 of file matroskaenc.c.

Referenced by mkv_init().

mkv_init()

static int mkv_init ( struct AVFormatContext * s )

static

Definition at line 3513 of file matroskaenc.c.

mkv_check_bitstream()

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

static

Definition at line 3630 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_ATRAC1,    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_TRUEHD,    0xFFFFFFFF },
    { AV_CODEC_ID_NONE,      0xFFFFFFFF }
}

Definition at line 3648 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_ARIB_CAPTION,      0xFFFFFFFF },
    { AV_CODEC_ID_NONE,              0xFFFFFFFF }
}

Definition at line 3663 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 },
    { "cues_to_front", "move Cues (the index) to the front by shifting data if necessary", OFFSET(move_cues_to_front), AV_OPT_TYPE_BOOL, { .i64 = 0}, 0, 1, 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", "store raw RGB bitmaps in VFW mode in bottom-up mode", 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", "control 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, .unit = "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, .unit = "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, .unit = "default_mode" },
    { "passthrough", "use the disposition flag as-is", 0, AV_OPT_TYPE_CONST, { .i64 = DEFAULT_MODE_PASSTHROUGH }, 0, 0, FLAGS, .unit = "default_mode" },
    { NULL },
}

Definition at line 3673 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 3691 of file matroskaenc.c.