FFmpeg
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#include <stdint.h>
#include "avc.h"
#include "hevc.h"
#include "avformat.h"
#include "avio_internal.h"
#include "avlanguage.h"
#include "flacenc.h"
#include "internal.h"
#include "isom.h"
#include "matroska.h"
#include "riff.h"
#include "subtitles.h"
#include "vorbiscomment.h"
#include "wv.h"
#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/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/rational.h"
#include "libavutil/samplefmt.h"
#include "libavutil/sha.h"
#include "libavutil/stereo3d.h"
#include "libavcodec/xiph.h"
#include "libavcodec/mpeg4audio.h"
#include "libavcodec/internal.h"
Go to the source code of this file.
Data Structures | |
struct | ebml_master |
struct | mkv_seekhead_entry |
struct | mkv_seekhead |
struct | mkv_cuepoint |
struct | mkv_cues |
struct | mkv_track |
struct | MatroskaMuxContext |
Macros | |
#define | MODE_MATROSKAv2 0x01 |
#define | MODE_WEBM 0x02 |
#define | MAX_TRACKS 126 |
Maximum number of tracks allowed in a Matroska file (with track numbers in range 1 to 126 (inclusive) More... | |
#define | MAX_SEEKENTRY_SIZE 21 |
2 bytes * 3 for EBML IDs, 3 1-byte EBML lengths, 8 bytes for 64 bit offset, 4 bytes for target EBML ID More... | |
#define | MAX_CUETRACKPOS_SIZE 42 |
per-cuepoint-track - 5 1-byte EBML IDs, 5 1-byte EBML sizes, 4 8-byte uint max More... | |
#define | MAX_CUEPOINT_SIZE(num_tracks) 12 + MAX_CUETRACKPOS_SIZE * num_tracks |
per-cuepoint - 2 1-byte EBML IDs, 2 1-byte EBML sizes, 8-byte uint max More... | |
#define | OPUS_SEEK_PREROLL 80000000 |
Seek preroll value for opus. More... | |
#define | OFFSET(x) offsetof(MatroskaMuxContext, x) |
#define | FLAGS AV_OPT_FLAG_ENCODING_PARAM |
Functions | |
static int | ebml_id_size (unsigned int id) |
static void | put_ebml_id (AVIOContext *pb, unsigned int id) |
static void | put_ebml_size_unknown (AVIOContext *pb, int bytes) |
Write an EBML size meaning "unknown size". More... | |
static int | ebml_num_size (uint64_t num) |
Calculate how many bytes are needed to represent a given number in EBML. More... | |
static void | put_ebml_num (AVIOContext *pb, uint64_t num, int bytes) |
Write a number in EBML variable length format. More... | |
static void | put_ebml_uint (AVIOContext *pb, unsigned int elementid, uint64_t val) |
static void | put_ebml_sint (AVIOContext *pb, unsigned int elementid, int64_t val) |
static void | put_ebml_float (AVIOContext *pb, unsigned int elementid, double val) |
static void | put_ebml_binary (AVIOContext *pb, unsigned int elementid, const void *buf, int size) |
static void | put_ebml_string (AVIOContext *pb, unsigned int elementid, const char *str) |
static void | put_ebml_void (AVIOContext *pb, uint64_t size) |
Write a void element of a given size. More... | |
static ebml_master | start_ebml_master (AVIOContext *pb, unsigned int elementid, uint64_t expectedsize) |
static void | end_ebml_master (AVIOContext *pb, ebml_master master) |
static void | put_xiph_size (AVIOContext *pb, int size) |
static void | mkv_free (MatroskaMuxContext *mkv) |
Free the members allocated in the mux context. More... | |
static mkv_seekhead * | mkv_start_seekhead (AVIOContext *pb, int64_t segment_offset, int numelements) |
Initialize a mkv_seekhead element to be ready to index level 1 Matroska elements. More... | |
static int | mkv_add_seekhead_entry (mkv_seekhead *seekhead, unsigned int elementid, uint64_t filepos) |
static int64_t | mkv_write_seekhead (AVIOContext *pb, MatroskaMuxContext *mkv) |
Write the seek head to the file and free it. More... | |
static mkv_cues * | mkv_start_cues (int64_t segment_offset) |
static int | mkv_add_cuepoint (mkv_cues *cues, int stream, int tracknum, int64_t ts, int64_t cluster_pos, int64_t relative_pos, int64_t duration) |
static int64_t | mkv_write_cues (AVFormatContext *s, mkv_cues *cues, mkv_track *tracks, int num_tracks) |
static int | put_xiph_codecpriv (AVFormatContext *s, AVIOContext *pb, AVCodecContext *codec) |
static int | put_wv_codecpriv (AVIOContext *pb, AVCodecContext *codec) |
static int | put_flac_codecpriv (AVFormatContext *s, AVIOContext *pb, AVCodecContext *codec) |
static int | 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, int *h_width, int *h_height) |
static int | mkv_write_track (AVFormatContext *s, MatroskaMuxContext *mkv, int i, AVIOContext *pb, int default_stream_exists) |
static int | mkv_write_tracks (AVFormatContext *s) |
static int | mkv_write_chapters (AVFormatContext *s) |
static int | mkv_write_simpletag (AVIOContext *pb, AVDictionaryEntry *t) |
static int | mkv_write_tag_targets (AVFormatContext *s, unsigned int elementid, unsigned int uid, ebml_master *tags, ebml_master *tag) |
static int | mkv_write_tag (AVFormatContext *s, AVDictionary *m, unsigned int elementid, unsigned int uid, ebml_master *tags) |
static int | mkv_check_tag (AVDictionary *m) |
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 | mkv_strip_wavpack (const uint8_t *src, uint8_t **pdst, int *size) |
static void | mkv_write_block (AVFormatContext *s, AVIOContext *pb, unsigned int blockid, AVPacket *pkt, int keyframe) |
static int | mkv_write_vtt_blocks (AVFormatContext *s, AVIOContext *pb, AVPacket *pkt) |
static void | mkv_flush_dynbuf (AVFormatContext *s) |
static void | mkv_start_new_cluster (AVFormatContext *s, AVPacket *pkt) |
static int | mkv_write_packet_internal (AVFormatContext *s, AVPacket *pkt, int add_cue) |
static int | mkv_write_packet (AVFormatContext *s, AVPacket *pkt) |
static int | mkv_write_flush_packet (AVFormatContext *s, AVPacket *pkt) |
static int | mkv_write_trailer (AVFormatContext *s) |
static int | mkv_query_codec (enum AVCodecID codec_id, int std_compliance) |
static int | mkv_init (struct AVFormatContext *s) |
static int | mkv_check_bitstream (struct AVFormatContext *s, const AVPacket *pkt) |
Variables | |
static const AVCodecTag | additional_audio_tags [] |
static const AVCodecTag | additional_video_tags [] |
static const AVCodecTag | additional_subtitle_tags [] |
static const AVOption | options [] |
#define MODE_MATROSKAv2 0x01 |
Definition at line 96 of file matroskaenc.c.
Referenced by mkv_write_header().
#define MODE_WEBM 0x02 |
Definition at line 97 of file matroskaenc.c.
Referenced by mkv_write_header(), mkv_write_stereo_mode(), mkv_write_track(), and mkv_write_trailer().
#define MAX_TRACKS 126 |
Maximum number of tracks allowed in a Matroska file (with track numbers in range 1 to 126 (inclusive)
Definition at line 101 of file matroskaenc.c.
#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 144 of file matroskaenc.c.
Referenced by mkv_start_seekhead(), and mkv_write_seekhead().
#define MAX_CUETRACKPOS_SIZE 42 |
per-cuepoint-track - 5 1-byte EBML IDs, 5 1-byte EBML sizes, 4 8-byte uint max
Definition at line 148 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 151 of file matroskaenc.c.
Referenced by mkv_write_cues().
#define OPUS_SEEK_PREROLL 80000000 |
Seek preroll value for opus.
Definition at line 154 of file matroskaenc.c.
#define OFFSET | ( | x | ) | offsetof(MatroskaMuxContext, x) |
Definition at line 2159 of file matroskaenc.c.
#define FLAGS AV_OPT_FLAG_ENCODING_PARAM |
Definition at line 2160 of file matroskaenc.c.
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Definition at line 156 of file matroskaenc.c.
Referenced by mkv_write_seekhead(), and put_ebml_id().
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Definition at line 161 of file matroskaenc.c.
Referenced by mkv_write_block(), mkv_write_seekhead(), mkv_write_vtt_blocks(), put_ebml_binary(), put_ebml_float(), put_ebml_sint(), put_ebml_uint(), put_ebml_void(), and start_ebml_master().
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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 173 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 183 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 197 of file matroskaenc.c.
Referenced by end_ebml_master(), mkv_write_block(), mkv_write_seekhead(), mkv_write_vtt_blocks(), put_ebml_binary(), put_ebml_float(), put_ebml_sint(), put_ebml_uint(), and put_ebml_void().
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Definition at line 216 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_block(), mkv_write_chapters(), mkv_write_cues(), mkv_write_header(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_stereo_mode(), mkv_write_tag_targets(), mkv_write_track(), and mkv_write_vtt_blocks().
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Definition at line 229 of file matroskaenc.c.
Referenced by mkv_write_block().
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Definition at line 242 of file matroskaenc.c.
Referenced by mkv_write_trailer().
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Definition at line 249 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_codecprivate(), mkv_write_header(), mkv_write_trailer(), and put_ebml_string().
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Definition at line 257 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_chapters(), mkv_write_header(), mkv_write_simpletag(), mkv_write_tags(), and mkv_write_track().
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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 269 of file matroskaenc.c.
Referenced by mkv_start_seekhead(), mkv_write_header(), mkv_write_seekhead(), mkv_write_tags(), and mkv_write_trailer().
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Definition at line 286 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_block(), mkv_write_chapters(), mkv_write_cues(), mkv_write_header(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_simpletag(), mkv_write_tag_targets(), mkv_write_tags(), mkv_write_track(), mkv_write_tracks(), and mkv_write_vtt_blocks().
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Definition at line 295 of file matroskaenc.c.
Referenced by mkv_start_new_cluster(), mkv_write_attachments(), mkv_write_block(), mkv_write_chapters(), mkv_write_cues(), mkv_write_flush_packet(), 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_tracks(), mkv_write_trailer(), and mkv_write_vtt_blocks().
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Definition at line 305 of file matroskaenc.c.
Referenced by put_xiph_codecpriv().
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Free the members allocated in the mux context.
Definition at line 314 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_trailer().
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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 339 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 360 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_chapters(), mkv_write_header(), mkv_write_tag_targets(), mkv_write_tracks(), and mkv_write_trailer().
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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 388 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_trailer().
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Definition at line 433 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 443 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
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Definition at line 466 of file matroskaenc.c.
Referenced by mkv_write_trailer().
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Definition at line 523 of file matroskaenc.c.
Referenced by mkv_write_native_codecprivate().
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Definition at line 551 of file matroskaenc.c.
Referenced by mkv_write_native_codecprivate().
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Definition at line 560 of file matroskaenc.c.
Referenced by mkv_write_native_codecprivate().
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Definition at line 607 of file matroskaenc.c.
Referenced by mkv_write_track().
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Definition at line 624 of file matroskaenc.c.
Referenced by mkv_write_codecprivate().
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Definition at line 664 of file matroskaenc.c.
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Definition at line 734 of file matroskaenc.c.
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Definition at line 832 of file matroskaenc.c.
Referenced by mkv_write_tracks().
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Definition at line 1066 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 1091 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_trailer().
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Definition at line 1143 of file matroskaenc.c.
Referenced by mkv_write_tag().
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Definition at line 1177 of file matroskaenc.c.
Referenced by mkv_write_tag(), and mkv_write_tags().
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Definition at line 1200 of file matroskaenc.c.
Referenced by mkv_write_tags().
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Definition at line 1228 of file matroskaenc.c.
Referenced by mkv_write_tags().
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Definition at line 1239 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 1296 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 1380 of file matroskaenc.c.
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Definition at line 1554 of file matroskaenc.c.
Referenced by mkv_write_packet_internal(), and mkv_write_vtt_blocks().
Definition at line 1565 of file matroskaenc.c.
Referenced by mkv_write_block().
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Definition at line 1618 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
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Definition at line 1717 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
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Definition at line 1755 of file matroskaenc.c.
Referenced by mkv_start_new_cluster(), mkv_write_flush_packet(), and mkv_write_trailer().
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Definition at line 1770 of file matroskaenc.c.
Referenced by mkv_write_packet(), and mkv_write_packet_internal().
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Definition at line 1792 of file matroskaenc.c.
Referenced by mkv_write_packet(), and mkv_write_trailer().
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Definition at line 1882 of file matroskaenc.c.
Referenced by mkv_write_flush_packet().
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Definition at line 1952 of file matroskaenc.c.
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Definition at line 1976 of file matroskaenc.c.
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Definition at line 2082 of file matroskaenc.c.
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Definition at line 2099 of file matroskaenc.c.
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Definition at line 2116 of file matroskaenc.c.
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Definition at line 2128 of file matroskaenc.c.
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Definition at line 2144 of file matroskaenc.c.
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Definition at line 2153 of file matroskaenc.c.
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Definition at line 2161 of file matroskaenc.c.