#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 "libavutil/samplefmt.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 |
Defines | |
| #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 | |
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, 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_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 CodecID codec_id, int std_compliance) |
| #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 109 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 106 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 102 of file matroskaenc.c.
Referenced by mkv_start_seekhead(), and mkv_write_seekhead().
| #define MODE_MATROSKAv2 0x01 |
| #define MODE_WEBM 0x02 |
Definition at line 77 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_tracks().
| static int ass_get_duration | ( | const uint8_t * | p | ) | [static] |
| static int ebml_id_size | ( | unsigned int | id | ) | [static] |
Definition at line 112 of file matroskaenc.c.
Referenced by mkv_write_seekhead(), and put_ebml_id().
| static int ebml_num_size | ( | uint64_t | num | ) | [static] |
Calculate how many bytes are needed to represent a given number in EBML.
Definition at line 140 of file matroskaenc.c.
Referenced by mkv_blockgroup_size(), put_ebml_num(), and start_ebml_master().
| static void end_ebml_master | ( | AVIOContext * | pb, | |
| ebml_master | master | |||
| ) | [static] |
Definition at line 236 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().
| static void get_aac_sample_rates | ( | AVFormatContext * | s, | |
| AVCodecContext * | codec, | |||
| int * | sample_rate, | |||
| int * | output_sample_rate | |||
| ) | [static] |
| static int mkv_add_cuepoint | ( | mkv_cues * | cues, | |
| int | stream, | |||
| int64_t | ts, | |||
| int64_t | cluster_pos | |||
| ) | [static] |
| static int mkv_add_seekhead_entry | ( | mkv_seekhead * | seekhead, | |
| unsigned int | elementid, | |||
| uint64_t | filepos | |||
| ) | [static] |
Definition at line 285 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().
| static int mkv_blockgroup_size | ( | int | pkt_size | ) | [static] |
Definition at line 978 of file matroskaenc.c.
Referenced by mkv_write_ass_blocks(), mkv_write_packet_internal(), and mkv_write_srt_blocks().
| static int mkv_copy_packet | ( | MatroskaMuxContext * | mkv, | |
| const AVPacket * | pkt | |||
| ) | [static] |
| static void mkv_flush_dynbuf | ( | AVFormatContext * | s | ) | [static] |
Definition at line 1109 of file matroskaenc.c.
Referenced by mkv_write_packet(), and mkv_write_trailer().
| static int mkv_query_codec | ( | enum CodecID | codec_id, | |
| int | std_compliance | |||
| ) | [static] |
Definition at line 1282 of file matroskaenc.c.
| static mkv_cues* mkv_start_cues | ( | int64_t | segment_offset | ) | [static] |
| static mkv_seekhead* mkv_start_seekhead | ( | AVIOContext * | pb, | |
| int64_t | segment_offset, | |||
| int | numelements | |||
| ) | [static] |
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 265 of file matroskaenc.c.
Referenced by mkv_write_header().
| static int mkv_write_ass_blocks | ( | AVFormatContext * | s, | |
| AVIOContext * | pb, | |||
| AVPacket * | pkt | |||
| ) | [static] |
| static int mkv_write_attachments | ( | AVFormatContext * | s | ) | [static] |
| static void mkv_write_block | ( | AVFormatContext * | s, | |
| AVIOContext * | pb, | |||
| unsigned int | blockid, | |||
| AVPacket * | pkt, | |||
| int | flags | |||
| ) | [static] |
Definition at line 1047 of file matroskaenc.c.
Referenced by mkv_write_packet_internal(), and mkv_write_srt_blocks().
| static int mkv_write_chapters | ( | AVFormatContext * | s | ) | [static] |
| static int mkv_write_codecprivate | ( | AVFormatContext * | s, | |
| AVIOContext * | pb, | |||
| AVCodecContext * | codec, | |||
| int | native_id, | |||
| int | qt_id | |||
| ) | [static] |
| static int64_t mkv_write_cues | ( | AVIOContext * | pb, | |
| mkv_cues * | cues, | |||
| int | num_tracks | |||
| ) | [static] |
| static int mkv_write_header | ( | AVFormatContext * | s | ) | [static] |
Definition at line 885 of file matroskaenc.c.
| static int mkv_write_packet | ( | AVFormatContext * | s, | |
| AVPacket * | pkt | |||
| ) | [static] |
Definition at line 1188 of file matroskaenc.c.
| static int mkv_write_packet_internal | ( | AVFormatContext * | s, | |
| AVPacket * | pkt | |||
| ) | [static] |
Definition at line 1124 of file matroskaenc.c.
Referenced by mkv_write_packet(), and mkv_write_trailer().
| static int64_t mkv_write_seekhead | ( | AVIOContext * | pb, | |
| mkv_seekhead * | seekhead | |||
| ) | [static] |
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 313 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_trailer().
| static void mkv_write_simpletag | ( | AVIOContext * | pb, | |
| AVDictionaryEntry * | t | |||
| ) | [static] |
| static int mkv_write_srt_blocks | ( | AVFormatContext * | s, | |
| AVIOContext * | pb, | |||
| AVPacket * | pkt | |||
| ) | [static] |
| static int mkv_write_tag | ( | AVFormatContext * | s, | |
| AVDictionary * | m, | |||
| unsigned int | elementid, | |||
| unsigned int | uid, | |||
| ebml_master * | tags | |||
| ) | [static] |
| static int mkv_write_tags | ( | AVFormatContext * | s | ) | [static] |
| static int mkv_write_tracks | ( | AVFormatContext * | s | ) | [static] |
| static int mkv_write_trailer | ( | AVFormatContext * | s | ) | [static] |
Definition at line 1230 of file matroskaenc.c.
| static void put_ebml_binary | ( | AVIOContext * | pb, | |
| unsigned int | elementid, | |||
| const void * | buf, | |||
| int | size | |||
| ) | [static] |
Definition at line 191 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_codecprivate(), mkv_write_header(), mkv_write_tracks(), and put_ebml_string().
| static void put_ebml_float | ( | AVIOContext * | pb, | |
| unsigned int | elementid, | |||
| double | val | |||
| ) | [static] |
Definition at line 184 of file matroskaenc.c.
Referenced by mkv_write_tracks(), and mkv_write_trailer().
| static void put_ebml_id | ( | AVIOContext * | pb, | |
| unsigned int | id | |||
| ) | [static] |
Definition at line 117 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().
| static void put_ebml_num | ( | AVIOContext * | pb, | |
| uint64_t | num, | |||
| int | bytes | |||
| ) | [static] |
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 153 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().
| static void put_ebml_size_unknown | ( | AVIOContext * | pb, | |
| int | bytes | |||
| ) | [static] |
Write an EBML size meaning "unknown size".
| bytes | The number of bytes the size should occupy (maximum: 8). |
Definition at line 129 of file matroskaenc.c.
Referenced by start_ebml_master().
| static void put_ebml_string | ( | AVIOContext * | pb, | |
| unsigned int | elementid, | |||
| const char * | str | |||
| ) | [static] |
Definition at line 199 of file matroskaenc.c.
Referenced by mkv_write_attachments(), mkv_write_chapters(), mkv_write_header(), mkv_write_simpletag(), and mkv_write_tracks().
| static void put_ebml_uint | ( | AVIOContext * | pb, | |
| unsigned int | elementid, | |||
| uint64_t | val | |||
| ) | [static] |
Definition at line 172 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().
| static void put_ebml_void | ( | AVIOContext * | pb, | |
| uint64_t | size | |||
| ) | [static] |
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 210 of file matroskaenc.c.
Referenced by mkv_start_seekhead(), mkv_write_header(), and mkv_write_seekhead().
| static int put_xiph_codecpriv | ( | AVFormatContext * | s, | |
| AVIOContext * | pb, | |||
| AVCodecContext * | codec | |||
| ) | [static] |
| static void put_xiph_size | ( | AVIOContext * | pb, | |
| int | size | |||
| ) | [static] |
| static int srt_get_duration | ( | uint8_t ** | buf | ) | [static] |
| static ebml_master start_ebml_master | ( | AVIOContext * | pb, | |
| unsigned int | elementid, | |||
| uint64_t | expectedsize | |||
| ) | [static] |
Definition at line 228 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().
1.5.8