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 "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 | 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 int | mkv_write_stereo_mode (AVFormatContext *s, AVIOContext *pb, AVStream *st, 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 87 of file matroskaenc.c.
Referenced by mkv_write_header().
#define MODE_WEBM 0x02 |
Definition at line 88 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 119 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 123 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 126 of file matroskaenc.c.
Referenced by mkv_write_cues().
#define OFFSET | ( | x | ) | offsetof(MatroskaMuxContext, x) |
Definition at line 1692 of file matroskaenc.c.
#define FLAGS AV_OPT_FLAG_ENCODING_PARAM |
Definition at line 1693 of file matroskaenc.c.
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Definition at line 128 of file matroskaenc.c.
Referenced by mkv_write_seekhead(), and put_ebml_id().
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Definition at line 133 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 145 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 156 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 170 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 189 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 202 of file matroskaenc.c.
Referenced by mkv_write_track(), and mkv_write_trailer().
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Definition at line 209 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 217 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 229 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 247 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 256 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 266 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 285 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 306 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 335 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_trailer().
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Definition at line 379 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 389 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
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Definition at line 409 of file matroskaenc.c.
Referenced by mkv_write_trailer().
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Definition at line 442 of file matroskaenc.c.
Referenced by mkv_write_native_codecprivate().
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Definition at line 470 of file matroskaenc.c.
Referenced by mkv_write_native_codecprivate().
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Definition at line 479 of file matroskaenc.c.
Referenced by mkv_write_native_codecprivate().
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Definition at line 523 of file matroskaenc.c.
Referenced by mkv_write_track().
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Definition at line 539 of file matroskaenc.c.
Referenced by mkv_write_codecprivate().
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Definition at line 575 of file matroskaenc.c.
Referenced by mkv_write_track().
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Definition at line 628 of file matroskaenc.c.
Referenced by mkv_write_track().
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Definition at line 726 of file matroskaenc.c.
Referenced by mkv_write_tracks().
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Definition at line 871 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 892 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_trailer().
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Definition at line 938 of file matroskaenc.c.
Referenced by mkv_write_tag().
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Definition at line 968 of file matroskaenc.c.
Referenced by mkv_write_tags().
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Definition at line 998 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 1035 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 1097 of file matroskaenc.c.
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Definition at line 1218 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 1229 of file matroskaenc.c.
Referenced by mkv_write_ass_blocks().
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Definition at line 1242 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
Definition at line 1291 of file matroskaenc.c.
Referenced by mkv_write_block().
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Definition at line 1344 of file matroskaenc.c.
Referenced by mkv_write_packet_internal(), and mkv_write_srt_blocks().
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Definition at line 1390 of file matroskaenc.c.
Referenced by mkv_write_srt_blocks().
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Definition at line 1414 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
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Definition at line 1431 of file matroskaenc.c.
Referenced by mkv_write_flush_packet(), mkv_write_packet(), and mkv_write_trailer().
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Definition at line 1446 of file matroskaenc.c.
Referenced by mkv_write_packet(), and mkv_write_trailer().
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Definition at line 1501 of file matroskaenc.c.
Referenced by mkv_write_flush_packet().
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Definition at line 1568 of file matroskaenc.c.
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Definition at line 1592 of file matroskaenc.c.
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Definition at line 1675 of file matroskaenc.c.
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Definition at line 1694 of file matroskaenc.c.