#include "avformat.h"
#include "md5.h"
#include "riff.h"
#include "xiph.h"
#include "matroska.h"
#include "avc.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 | MatroskaMuxContext |
Defines | |
#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 | |
#define | FLAC_STREAMINFO_SIZE 34 |
Functions | |
static int | ebml_id_size (unsigned int id) |
static void | put_ebml_id (ByteIOContext *pb, unsigned int id) |
static void | put_ebml_size_unknown (ByteIOContext *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 (ByteIOContext *pb, uint64_t num, int bytes) |
Write a number in EBML variable length format. | |
static void | put_ebml_uint (ByteIOContext *pb, unsigned int elementid, uint64_t val) |
static void | put_ebml_float (ByteIOContext *pb, unsigned int elementid, double val) |
static void | put_ebml_binary (ByteIOContext *pb, unsigned int elementid, const uint8_t *buf, int size) |
static void | put_ebml_string (ByteIOContext *pb, unsigned int elementid, const char *str) |
static void | put_ebml_void (ByteIOContext *pb, uint64_t size) |
Writes a void element of a given size. | |
static ebml_master | start_ebml_master (ByteIOContext *pb, unsigned int elementid, uint64_t expectedsize) |
static void | end_ebml_master (ByteIOContext *pb, ebml_master master) |
static void | put_xiph_size (ByteIOContext *pb, int size) |
static mkv_seekhead * | mkv_start_seekhead (ByteIOContext *pb, offset_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 offset_t | mkv_write_seekhead (ByteIOContext *pb, mkv_seekhead *seekhead) |
Write the seek head to the file and free it. | |
static mkv_cues * | mkv_start_cues (offset_t segment_offset) |
static int | mkv_add_cuepoint (mkv_cues *cues, AVPacket *pkt, offset_t cluster_pos) |
static offset_t | mkv_write_cues (ByteIOContext *pb, mkv_cues *cues, int num_tracks) |
static int | put_xiph_codecpriv (AVFormatContext *s, ByteIOContext *pb, AVCodecContext *codec) |
static int | put_flac_codecpriv (AVFormatContext *s, ByteIOContext *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, ByteIOContext *pb, AVCodecContext *codec, int native_id) |
static int | mkv_write_tracks (AVFormatContext *s) |
static int | mkv_write_header (AVFormatContext *s) |
static int | mkv_block_size (AVPacket *pkt) |
static int | mkv_blockgroup_size (AVPacket *pkt) |
static void | mkv_write_block (AVFormatContext *s, unsigned int blockid, AVPacket *pkt, int flags) |
static int | mkv_write_packet (AVFormatContext *s, AVPacket *pkt) |
static int | mkv_write_trailer (AVFormatContext *s) |
Variables | |
AVOutputFormat | matroska_muxer |
AVOutputFormat | matroska_audio_muxer |
#define FLAC_STREAMINFO_SIZE 34 |
Definition at line 419 of file matroskaenc.c.
#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 86 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 83 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 79 of file matroskaenc.c.
Referenced by mkv_start_seekhead(), and mkv_write_seekhead().
static int ebml_id_size | ( | unsigned int | id | ) | [static] |
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 117 of file matroskaenc.c.
Referenced by mkv_blockgroup_size(), put_ebml_num(), and start_ebml_master().
static void end_ebml_master | ( | ByteIOContext * | pb, | |
ebml_master | master | |||
) | [static] |
Definition at line 212 of file matroskaenc.c.
Referenced by mkv_write_cues(), mkv_write_header(), mkv_write_packet(), mkv_write_seekhead(), 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_seekhead_entry | ( | mkv_seekhead * | seekhead, | |
unsigned int | elementid, | |||
uint64_t | filepos | |||
) | [static] |
Definition at line 264 of file matroskaenc.c.
Referenced by mkv_write_header(), mkv_write_packet(), mkv_write_tracks(), and mkv_write_trailer().
static int mkv_block_size | ( | AVPacket * | pkt | ) | [static] |
Definition at line 692 of file matroskaenc.c.
Referenced by mkv_blockgroup_size(), and mkv_write_block().
static int mkv_blockgroup_size | ( | AVPacket * | pkt | ) | [static] |
static mkv_seekhead* mkv_start_seekhead | ( | ByteIOContext * | pb, | |
offset_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 244 of file matroskaenc.c.
Referenced by mkv_write_header().
static void mkv_write_block | ( | AVFormatContext * | s, | |
unsigned int | blockid, | |||
AVPacket * | pkt, | |||
int | flags | |||
) | [static] |
static int mkv_write_codecprivate | ( | AVFormatContext * | s, | |
ByteIOContext * | pb, | |||
AVCodecContext * | codec, | |||
int | native_id | |||
) | [static] |
static offset_t mkv_write_cues | ( | ByteIOContext * | pb, | |
mkv_cues * | cues, | |||
int | num_tracks | |||
) | [static] |
static int mkv_write_header | ( | AVFormatContext * | s | ) | [static] |
Definition at line 619 of file matroskaenc.c.
static int mkv_write_packet | ( | AVFormatContext * | s, | |
AVPacket * | pkt | |||
) | [static] |
Definition at line 725 of file matroskaenc.c.
static offset_t mkv_write_seekhead | ( | ByteIOContext * | 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 291 of file matroskaenc.c.
Referenced by mkv_write_trailer().
static int mkv_write_tracks | ( | AVFormatContext * | s | ) | [static] |
static int mkv_write_trailer | ( | AVFormatContext * | s | ) | [static] |
Definition at line 777 of file matroskaenc.c.
static void put_ebml_binary | ( | ByteIOContext * | pb, | |
unsigned int | elementid, | |||
const uint8_t * | buf, | |||
int | size | |||
) | [static] |
Definition at line 167 of file matroskaenc.c.
Referenced by mkv_write_codecprivate(), mkv_write_trailer(), and put_ebml_string().
static void put_ebml_float | ( | ByteIOContext * | pb, | |
unsigned int | elementid, | |||
double | val | |||
) | [static] |
Definition at line 160 of file matroskaenc.c.
Referenced by mkv_write_tracks(), and mkv_write_trailer().
static void put_ebml_id | ( | ByteIOContext * | pb, | |
unsigned int | id | |||
) | [static] |
Definition at line 94 of file matroskaenc.c.
Referenced by 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 | ( | ByteIOContext * | 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 130 of file matroskaenc.c.
Referenced by end_ebml_master(), 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 | ( | ByteIOContext * | 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 106 of file matroskaenc.c.
Referenced by start_ebml_master().
static void put_ebml_string | ( | ByteIOContext * | pb, | |
unsigned int | elementid, | |||
const char * | str | |||
) | [static] |
Definition at line 175 of file matroskaenc.c.
Referenced by mkv_write_header(), and mkv_write_tracks().
static void put_ebml_uint | ( | ByteIOContext * | pb, | |
unsigned int | elementid, | |||
uint64_t | val | |||
) | [static] |
Definition at line 149 of file matroskaenc.c.
Referenced by mkv_write_cues(), mkv_write_header(), mkv_write_packet(), mkv_write_seekhead(), and mkv_write_tracks().
static void put_ebml_void | ( | ByteIOContext * | pb, | |
uint64_t | size | |||
) | [static] |
Writes 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 186 of file matroskaenc.c.
Referenced by mkv_start_seekhead(), mkv_write_header(), and mkv_write_seekhead().
static int put_flac_codecpriv | ( | AVFormatContext * | s, | |
ByteIOContext * | pb, | |||
AVCodecContext * | codec | |||
) | [static] |
static int put_xiph_codecpriv | ( | AVFormatContext * | s, | |
ByteIOContext * | pb, | |||
AVCodecContext * | codec | |||
) | [static] |
static void put_xiph_size | ( | ByteIOContext * | pb, | |
int | size | |||
) | [static] |
Definition at line 225 of file matroskaenc.c.
Referenced by put_flac_codecpriv(), and put_xiph_codecpriv().
static ebml_master start_ebml_master | ( | ByteIOContext * | pb, | |
unsigned int | elementid, | |||
uint64_t | expectedsize | |||
) | [static] |
Definition at line 204 of file matroskaenc.c.
Referenced by mkv_write_cues(), mkv_write_header(), mkv_write_packet(), mkv_write_seekhead(), and mkv_write_tracks().
Initial value:
{ "matroska", "Matroska File Format", "audio/x-matroska", "mka", sizeof(MatroskaMuxContext), CODEC_ID_MP2, CODEC_ID_NONE, mkv_write_header, mkv_write_packet, mkv_write_trailer, .codec_tag = (const AVCodecTag*[]){codec_wav_tags, 0}, }
Definition at line 832 of file matroskaenc.c.
Initial value:
{ "matroska", "Matroska File Format", "video/x-matroska", "mkv", sizeof(MatroskaMuxContext), CODEC_ID_MP2, CODEC_ID_MPEG4, mkv_write_header, mkv_write_packet, mkv_write_trailer, .codec_tag = (const AVCodecTag*[]){codec_bmp_tags, codec_wav_tags, 0}, .subtitle_codec = CODEC_ID_TEXT, }
Definition at line 817 of file matroskaenc.c.