Libav
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#include <stdint.h>
#include "avc.h"
#include "hevc.h"
#include "avformat.h"
#include "avlanguage.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/dict.h"
#include "libavutil/intfloat.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/lfg.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/random_seed.h"
#include "libavutil/samplefmt.h"
#include "libavcodec/xiph.h"
#include "libavcodec/mpeg4audio.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 | MatroskaMuxContext |
Macros | |
#define | MODE_MATROSKAv2 0x01 |
#define | MODE_WEBM 0x02 |
#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 22 |
per-cuepoint-track - 3 1-byte EBML IDs, 3 1-byte EBML sizes, 2 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 | 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_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 void | put_xiph_size (AVIOContext *pb, int size) |
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, mkv_seekhead *seekhead) |
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, int64_t ts, int64_t cluster_pos) |
static int64_t | mkv_write_cues (AVIOContext *pb, mkv_cues *cues, int num_tracks) |
static int | put_xiph_codecpriv (AVFormatContext *s, AVIOContext *pb, AVCodecContext *codec) |
static int | put_wv_codecpriv (AVIOContext *pb, AVCodecContext *codec) |
static int | put_flac_codecpriv (AVFormatContext *s, AVIOContext *pb, AVCodecContext *codec) |
static void | get_aac_sample_rates (AVFormatContext *s, AVCodecContext *codec, int *sample_rate, int *output_sample_rate) |
static int | mkv_write_native_codecprivate (AVFormatContext *s, AVCodecContext *codec, AVIOContext *dyn_cp) |
static int | mkv_write_codecprivate (AVFormatContext *s, AVIOContext *pb, AVCodecContext *codec, int native_id, int qt_id) |
static void | mkv_write_stereo_mode (AVIOContext *pb, uint8_t stereo_fmt, int mode) |
static int | mkv_write_track (AVFormatContext *s, MatroskaMuxContext *mkv, int i, AVIOContext *pb) |
static int | mkv_write_tracks (AVFormatContext *s) |
static int | mkv_write_chapters (AVFormatContext *s) |
static void | mkv_write_simpletag (AVIOContext *pb, AVDictionaryEntry *t) |
static int | mkv_write_tag (AVFormatContext *s, AVDictionary *m, unsigned int elementid, unsigned int uid, ebml_master *tags) |
static int | mkv_write_tags (AVFormatContext *s) |
static int | mkv_write_attachments (AVFormatContext *s) |
static int | mkv_write_header (AVFormatContext *s) |
static int | mkv_blockgroup_size (int pkt_size) |
static int | ass_get_duration (const uint8_t *p) |
static int | mkv_write_ass_blocks (AVFormatContext *s, AVIOContext *pb, AVPacket *pkt) |
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 flags) |
static int | srt_get_duration (uint8_t **buf) |
static int | mkv_write_srt_blocks (AVFormatContext *s, AVIOContext *pb, AVPacket *pkt) |
static void | mkv_flush_dynbuf (AVFormatContext *s) |
static int | mkv_write_packet_internal (AVFormatContext *s, AVPacket *pkt) |
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) |
Variables | |
static const AVOption | options [] |
#define MODE_MATROSKAv2 0x01 |
Definition at line 86 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_stereo_mode().
#define MODE_WEBM 0x02 |
Definition at line 87 of file matroskaenc.c.
Referenced by mkv_write_header(), mkv_write_stereo_mode(), mkv_write_track(), and mkv_write_trailer().
#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 118 of file matroskaenc.c.
Referenced by mkv_start_seekhead(), and mkv_write_seekhead().
#define MAX_CUETRACKPOS_SIZE 22 |
per-cuepoint-track - 3 1-byte EBML IDs, 3 1-byte EBML sizes, 2 8-byte uint max
Definition at line 122 of file matroskaenc.c.
Referenced by mkv_write_cues().
#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 125 of file matroskaenc.c.
Referenced by mkv_write_cues().
#define OFFSET | ( | x | ) | offsetof(MatroskaMuxContext, x) |
Definition at line 1616 of file matroskaenc.c.
#define FLAGS AV_OPT_FLAG_ENCODING_PARAM |
Definition at line 1617 of file matroskaenc.c.
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Definition at line 127 of file matroskaenc.c.
Referenced by mkv_write_seekhead(), and put_ebml_id().
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Definition at line 132 of file matroskaenc.c.
Referenced by mkv_write_ass_blocks(), mkv_write_block(), mkv_write_seekhead(), put_ebml_binary(), put_ebml_float(), put_ebml_uint(), put_ebml_void(), and start_ebml_master().
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Write an EBML size meaning "unknown size".
bytes | The number of bytes the size should occupy (maximum: 8). |
Definition at line 144 of file matroskaenc.c.
Referenced by start_ebml_master().
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Calculate how many bytes are needed to represent a given number in EBML.
Definition at line 155 of file matroskaenc.c.
Referenced by mkv_blockgroup_size(), put_ebml_num(), and start_ebml_master().
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Write a number in EBML variable length format.
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 169 of file matroskaenc.c.
Referenced by end_ebml_master(), mkv_write_ass_blocks(), mkv_write_block(), mkv_write_seekhead(), put_ebml_binary(), put_ebml_float(), put_ebml_uint(), and put_ebml_void().
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Definition at line 188 of file matroskaenc.c.
Referenced by mkv_write_ass_blocks(), mkv_write_attachments(), mkv_write_chapters(), mkv_write_cues(), mkv_write_header(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_srt_blocks(), mkv_write_stereo_mode(), mkv_write_tag(), and mkv_write_track().
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Definition at line 201 of file matroskaenc.c.
Referenced by mkv_write_track(), and mkv_write_trailer().
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Definition at line 208 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_codecprivate(), mkv_write_header(), and put_ebml_string().
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Definition at line 216 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_chapters(), mkv_write_header(), mkv_write_simpletag(), and mkv_write_track().
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Write a void element of a given size.
Useful for reserving space in the file to be written to later.
size | The number of bytes to reserve, which must be at least 2. |
Definition at line 228 of file matroskaenc.c.
Referenced by mkv_start_seekhead(), mkv_write_header(), mkv_write_seekhead(), and mkv_write_trailer().
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Definition at line 246 of file matroskaenc.c.
Referenced by mkv_write_ass_blocks(), mkv_write_attachments(), mkv_write_chapters(), mkv_write_cues(), mkv_write_header(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_simpletag(), mkv_write_srt_blocks(), mkv_write_tag(), mkv_write_track(), and mkv_write_tracks().
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Definition at line 255 of file matroskaenc.c.
Referenced by mkv_write_ass_blocks(), mkv_write_attachments(), mkv_write_chapters(), mkv_write_cues(), mkv_write_flush_packet(), mkv_write_header(), mkv_write_packet(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_simpletag(), mkv_write_srt_blocks(), mkv_write_tag(), mkv_write_tags(), mkv_write_track(), mkv_write_tracks(), and mkv_write_trailer().
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Definition at line 265 of file matroskaenc.c.
Referenced by put_xiph_codecpriv().
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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.
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 284 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 305 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_chapters(), mkv_write_header(), mkv_write_tag(), mkv_write_tracks(), and mkv_write_trailer().
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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.
Definition at line 334 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_trailer().
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Definition at line 378 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 388 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
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Definition at line 408 of file matroskaenc.c.
Referenced by mkv_write_trailer().
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Definition at line 441 of file matroskaenc.c.
Referenced by mkv_write_native_codecprivate().
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Definition at line 469 of file matroskaenc.c.
Referenced by mkv_write_native_codecprivate().
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Definition at line 478 of file matroskaenc.c.
Referenced by mkv_write_native_codecprivate().
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Definition at line 522 of file matroskaenc.c.
Referenced by mkv_write_track().
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Definition at line 538 of file matroskaenc.c.
Referenced by mkv_write_codecprivate().
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Definition at line 574 of file matroskaenc.c.
Referenced by mkv_write_track().
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Definition at line 627 of file matroskaenc.c.
Referenced by mkv_write_track().
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Definition at line 648 of file matroskaenc.c.
Referenced by mkv_write_tracks().
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Definition at line 795 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 816 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_trailer().
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Definition at line 862 of file matroskaenc.c.
Referenced by mkv_write_tag().
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Definition at line 892 of file matroskaenc.c.
Referenced by mkv_write_tags().
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Definition at line 922 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 959 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 1021 of file matroskaenc.c.
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Definition at line 1142 of file matroskaenc.c.
Referenced by mkv_write_ass_blocks(), mkv_write_packet_internal(), and mkv_write_srt_blocks().
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Definition at line 1153 of file matroskaenc.c.
Referenced by mkv_write_ass_blocks().
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Definition at line 1166 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
Definition at line 1215 of file matroskaenc.c.
Referenced by mkv_write_block().
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Definition at line 1268 of file matroskaenc.c.
Referenced by mkv_write_packet_internal(), and mkv_write_srt_blocks().
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Definition at line 1314 of file matroskaenc.c.
Referenced by mkv_write_srt_blocks().
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Definition at line 1338 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
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Definition at line 1355 of file matroskaenc.c.
Referenced by mkv_write_flush_packet(), mkv_write_packet(), and mkv_write_trailer().
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Definition at line 1370 of file matroskaenc.c.
Referenced by mkv_write_packet(), and mkv_write_trailer().
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Definition at line 1425 of file matroskaenc.c.
Referenced by mkv_write_flush_packet().
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Definition at line 1492 of file matroskaenc.c.
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Definition at line 1516 of file matroskaenc.c.
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Definition at line 1599 of file matroskaenc.c.
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Definition at line 1618 of file matroskaenc.c.