FFmpeg
1.2.4
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#include "avformat.h"
#include "internal.h"
#include "riff.h"
#include "isom.h"
#include "matroska.h"
#include "avc.h"
#include "flacenc.h"
#include "avlanguage.h"
#include "subtitles.h"
#include "libavutil/samplefmt.h"
#include "libavutil/sha.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/intfloat.h"
#include "libavutil/mathematics.h"
#include "libavutil/random_seed.h"
#include "libavutil/lfg.h"
#include "libavutil/dict.h"
#include "libavutil/avstring.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 | |
#define | MAX_CUETRACKPOS_SIZE 22 |
per-cuepoint-track - 3 1-byte EBML IDs, 3 1-byte EBML sizes, 2 8-byte uint max | |
#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 |
Typedefs | |
typedef struct ebml_master | ebml_master |
typedef struct mkv_seekhead_entry | mkv_seekhead_entry |
typedef struct mkv_seekhead | mkv_seekhead |
typedef struct MatroskaMuxContext | MatroskaMuxContext |
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". | |
static int | ebml_num_size (uint64_t num) |
Calculate how many bytes are needed to represent a given number in EBML. | |
static void | put_ebml_num (AVIOContext *pb, uint64_t num, int bytes) |
Write a number in EBML variable length format. | |
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. | |
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. | |
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. | |
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, mkv_track *tracks, int num_tracks) |
static int | put_xiph_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_codecprivate (AVFormatContext *s, AVIOContext *pb, AVCodecContext *codec, int native_id, int qt_id) |
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_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 | ass_get_duration (const uint8_t *p) |
static int | mkv_write_ass_blocks (AVFormatContext *s, AVIOContext *pb, AVPacket *pkt) |
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_copy_packet (MatroskaMuxContext *mkv, const AVPacket *pkt) |
static int | mkv_write_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 | |
const AVCodecTag | additional_audio_tags [] |
const AVCodecTag | additional_video_tags [] |
#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 112 of file matroskaenc.c.
Referenced by mkv_write_cues().
#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 109 of file matroskaenc.c.
Referenced by mkv_write_cues().
#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 105 of file matroskaenc.c.
Referenced by mkv_start_seekhead(), and mkv_write_seekhead().
#define MODE_MATROSKAv2 0x01 |
Definition at line 79 of file matroskaenc.c.
Referenced by mkv_write_header().
#define MODE_WEBM 0x02 |
Definition at line 80 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_tracks().
typedef struct ebml_master ebml_master |
typedef struct MatroskaMuxContext MatroskaMuxContext |
typedef struct mkv_seekhead mkv_seekhead |
typedef struct mkv_seekhead_entry mkv_seekhead_entry |
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Definition at line 1076 of file matroskaenc.c.
Referenced by mkv_write_ass_blocks().
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Definition at line 115 of file matroskaenc.c.
Referenced by mkv_write_seekhead(), and put_ebml_id().
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Calculate how many bytes are needed to represent a given number in EBML.
Definition at line 143 of file matroskaenc.c.
Referenced by mkv_blockgroup_size(), put_ebml_num(), and start_ebml_master().
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Definition at line 239 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(), mkv_write_packet_internal(), mkv_write_seekhead(), mkv_write_simpletag(), mkv_write_srt_blocks(), mkv_write_tag(), mkv_write_tags(), mkv_write_tracks(), and mkv_write_trailer().
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Definition at line 457 of file matroskaenc.c.
Referenced by mkv_write_tracks().
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Definition at line 370 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
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Definition at line 288 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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Definition at line 1065 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 820 of file matroskaenc.c.
Referenced by mkv_write_tags().
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Definition at line 1277 of file matroskaenc.c.
Referenced by mkv_write_packet().
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Definition at line 1204 of file matroskaenc.c.
Referenced by mkv_write_packet(), and mkv_write_trailer().
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Definition at line 1384 of file matroskaenc.c.
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Definition at line 360 of file matroskaenc.c.
Referenced by mkv_write_header().
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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 268 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 1089 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
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Definition at line 868 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 1134 of file matroskaenc.c.
Referenced by mkv_write_packet_internal(), and mkv_write_srt_blocks().
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Definition at line 717 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 471 of file matroskaenc.c.
Referenced by mkv_write_tracks().
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Definition at line 389 of file matroskaenc.c.
Referenced by mkv_write_trailer().
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Definition at line 947 of file matroskaenc.c.
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Definition at line 1290 of file matroskaenc.c.
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Definition at line 1219 of file matroskaenc.c.
Referenced by mkv_write_packet(), 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 316 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_trailer().
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Definition at line 761 of file matroskaenc.c.
Referenced by mkv_write_tag().
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Definition at line 1188 of file matroskaenc.c.
Referenced by mkv_write_packet_internal().
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Definition at line 791 of file matroskaenc.c.
Referenced by mkv_write_tags().
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Definition at line 831 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 539 of file matroskaenc.c.
Referenced by mkv_write_header().
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Definition at line 1332 of file matroskaenc.c.
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Definition at line 194 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_codecprivate(), mkv_write_header(), mkv_write_tracks(), and put_ebml_string().
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Definition at line 187 of file matroskaenc.c.
Referenced by mkv_write_tracks(), and mkv_write_trailer().
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Definition at line 120 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 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 156 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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Write an EBML size meaning "unknown size".
bytes | The number of bytes the size should occupy (maximum: 8). |
Definition at line 132 of file matroskaenc.c.
Referenced by start_ebml_master().
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Definition at line 202 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_chapters(), mkv_write_header(), mkv_write_simpletag(), and mkv_write_tracks().
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Definition at line 175 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_tag(), and mkv_write_tracks().
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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 213 of file matroskaenc.c.
Referenced by mkv_start_seekhead(), mkv_write_header(), and mkv_write_seekhead().
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Definition at line 429 of file matroskaenc.c.
Referenced by mkv_write_codecprivate().
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Definition at line 249 of file matroskaenc.c.
Referenced by put_xiph_codecpriv().
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Definition at line 1169 of file matroskaenc.c.
Referenced by mkv_write_srt_blocks().
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Definition at line 231 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(), and mkv_write_tracks().
const AVCodecTag additional_audio_tags[] |
Definition at line 1400 of file matroskaenc.c.
const AVCodecTag additional_video_tags[] |
Definition at line 1417 of file matroskaenc.c.