libavformat/isom.h File Reference

#include "avio.h"
#include "internal.h"
#include "dv.h"

Go to the source code of this file.

Data Structures
struct	MOVStts
struct	MOVStsc
struct	MOVDref
struct	MOVAtom
struct	MOVFragment
struct	MOVTrackExt
struct	MOVStreamContext
struct	MOVContext
Defines
#define	MP4ODescrTag   0x01
#define	MP4IODescrTag   0x02
#define	MP4ESDescrTag   0x03
#define	MP4DecConfigDescrTag   0x04
#define	MP4DecSpecificDescrTag   0x05
#define	MP4SLDescrTag   0x06
#define	MOV_TFHD_BASE_DATA_OFFSET   0x01
#define	MOV_TFHD_STSD_ID   0x02
#define	MOV_TFHD_DEFAULT_DURATION   0x08
#define	MOV_TFHD_DEFAULT_SIZE   0x10
#define	MOV_TFHD_DEFAULT_FLAGS   0x20
#define	MOV_TFHD_DURATION_IS_EMPTY   0x010000
#define	MOV_TRUN_DATA_OFFSET   0x01
#define	MOV_TRUN_FIRST_SAMPLE_FLAGS   0x04
#define	MOV_TRUN_SAMPLE_DURATION   0x100
#define	MOV_TRUN_SAMPLE_SIZE   0x200
#define	MOV_TRUN_SAMPLE_FLAGS   0x400
#define	MOV_TRUN_SAMPLE_CTS   0x800
#define	MOV_FRAG_SAMPLE_FLAG_DEGRADATION_PRIORITY_MASK   0x0000ffff
#define	MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC   0x00010000
#define	MOV_FRAG_SAMPLE_FLAG_PADDING_MASK   0x000e0000
#define	MOV_FRAG_SAMPLE_FLAG_REDUNDANCY_MASK   0x00300000
#define	MOV_FRAG_SAMPLE_FLAG_DEPENDED_MASK   0x00c00000
#define	MOV_FRAG_SAMPLE_FLAG_DEPENDS_MASK   0x03000000
#define	MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO   0x02000000
#define	MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES   0x01000000
Functions
int	ff_mov_iso639_to_lang (const char lang[4], int mp4)
int	ff_mov_lang_to_iso639 (unsigned code, char to[4])
int	ff_mp4_read_descr_len (AVIOContext *pb)
int	ff_mp4_read_descr (AVFormatContext *fc, AVIOContext *pb, int *tag)
int	ff_mp4_read_dec_config_descr (AVFormatContext *fc, AVStream *st, AVIOContext *pb)
void	ff_mp4_parse_es_descr (AVIOContext *pb, int *es_id)
int	ff_mov_read_esds (AVFormatContext *fc, AVIOContext *pb, MOVAtom atom)
enum CodecID	ff_mov_get_lpcm_codec_id (int bps, int flags)
	Compute codec id for 'lpcm' tag.
int	ff_mov_read_stsd_entries (MOVContext *c, AVIOContext *pb, int entries)
void	ff_mov_read_chan (AVFormatContext *s, int64_t size, AVCodecContext *codec)
void	ff_mov_write_chan (AVIOContext *pb, int64_t channel_layout)
Variables
const AVCodecTag	ff_mp4_obj_type []
const AVCodecTag	ff_codec_movvideo_tags []
const AVCodecTag	ff_codec_movaudio_tags []
const AVCodecTag	ff_codec_movsubtitle_tags []

---

Define Documentation

#define MOV_FRAG_SAMPLE_FLAG_DEGRADATION_PRIORITY_MASK   0x0000ffff

Definition at line 182 of file isom.h.

#define MOV_FRAG_SAMPLE_FLAG_DEPENDED_MASK   0x00c00000

Definition at line 186 of file isom.h.

#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_MASK   0x03000000

Definition at line 187 of file isom.h.

#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO   0x02000000

Definition at line 189 of file isom.h.

Referenced by get_sample_flags(), and mov_write_tfhd_tag().

#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES   0x01000000

Definition at line 190 of file isom.h.

Referenced by get_sample_flags(), mov_read_trun(), and mov_write_tfhd_tag().

#define MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC   0x00010000

Definition at line 183 of file isom.h.

Referenced by get_sample_flags(), mov_read_trun(), and mov_write_tfhd_tag().

#define MOV_FRAG_SAMPLE_FLAG_PADDING_MASK   0x000e0000

Definition at line 184 of file isom.h.

#define MOV_FRAG_SAMPLE_FLAG_REDUNDANCY_MASK   0x00300000

Definition at line 185 of file isom.h.

#define MOV_TFHD_BASE_DATA_OFFSET   0x01

Definition at line 168 of file isom.h.

Referenced by mov_read_tfhd(), and mov_write_tfhd_tag().

#define MOV_TFHD_DEFAULT_DURATION   0x08

Definition at line 170 of file isom.h.

Referenced by mov_read_tfhd(), and mov_write_tfhd_tag().

#define MOV_TFHD_DEFAULT_FLAGS   0x20

Definition at line 172 of file isom.h.

Referenced by mov_read_tfhd(), and mov_write_tfhd_tag().

#define MOV_TFHD_DEFAULT_SIZE   0x10

Definition at line 171 of file isom.h.

Referenced by mov_read_tfhd(), and mov_write_tfhd_tag().

#define MOV_TFHD_DURATION_IS_EMPTY   0x010000

Definition at line 173 of file isom.h.

Referenced by mov_write_tfhd_tag().

#define MOV_TFHD_STSD_ID   0x02

Definition at line 169 of file isom.h.

Referenced by mov_read_tfhd().

#define MOV_TRUN_DATA_OFFSET   0x01

Definition at line 175 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MOV_TRUN_FIRST_SAMPLE_FLAGS   0x04

Definition at line 176 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MOV_TRUN_SAMPLE_CTS   0x800

Definition at line 180 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MOV_TRUN_SAMPLE_DURATION   0x100

Definition at line 177 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MOV_TRUN_SAMPLE_FLAGS   0x400

Definition at line 179 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MOV_TRUN_SAMPLE_SIZE   0x200

Definition at line 178 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MP4DecConfigDescrTag   0x04

Definition at line 164 of file isom.h.

Referenced by ff_mov_read_esds(), parse_mp4_descr(), and parse_MP4ESDescrTag().

#define MP4DecSpecificDescrTag   0x05

Definition at line 165 of file isom.h.

Referenced by ff_mp4_read_dec_config_descr().

#define MP4ESDescrTag   0x03

Definition at line 163 of file isom.h.

Referenced by ff_mov_read_esds(), and parse_mp4_descr().

#define MP4IODescrTag   0x02

Definition at line 162 of file isom.h.

Referenced by mp4_read_iods(), and parse_mp4_descr().

#define MP4ODescrTag   0x01

Definition at line 161 of file isom.h.

Referenced by parse_mp4_descr().

#define MP4SLDescrTag   0x06

Definition at line 166 of file isom.h.

Referenced by parse_mp4_descr(), and parse_MP4ESDescrTag().

---

Function Documentation

enum CodecID ff_mov_get_lpcm_codec_id	(	int	bps,
		int	flags
	)

Compute codec id for 'lpcm' tag.

See CoreAudioTypes and AudioStreamBasicDescription at Apple.

Definition at line 1175 of file mov.c.

Referenced by ff_mov_read_stsd_entries(), and read_desc_chunk().

int ff_mov_iso639_to_lang	(	const char	lang[4],
		int	mp4
	)

Definition at line 322 of file isom.c.

Referenced by mov_write_header(), mov_write_string_data_tag(), and mov_write_string_metadata().

int ff_mov_lang_to_iso639	(	unsigned	code,
		char	to[4]
	)

Definition at line 349 of file isom.c.

Referenced by mov_read_mdhd(), and mov_read_udta_string().

void ff_mov_read_chan	(	AVFormatContext *	s,
		int64_t	size,
		AVCodecContext *	codec
	)

Definition at line 494 of file isom.c.

Referenced by aiff_read_header(), mov_read_chan2(), and read_header().

int ff_mov_read_esds	(	AVFormatContext *	fc,
		AVIOContext *	pb,
		MOVAtom	atom
	)

Definition at line 549 of file mov.c.

Referenced by mov_read_esds(), and read_kuki_chunk().

int ff_mov_read_stsd_entries	(	MOVContext *	c,
		AVIOContext *	pb,
		int	entries
	)

Definition at line 1206 of file mov.c.

Referenced by mov_read_stsd(), and qt_rtp_parse_packet().

void ff_mov_write_chan	(	AVIOContext *	pb,
		int64_t	channel_layout
	)

Definition at line 525 of file isom.c.

Referenced by aiff_write_header(), and caf_write_header().

void ff_mp4_parse_es_descr	(	AVIOContext *	pb,
		int *	es_id
	)

Definition at line 393 of file isom.c.

Referenced by ff_mov_read_esds(), and parse_MP4ESDescrTag().

int ff_mp4_read_dec_config_descr	(	AVFormatContext *	fc,
		AVStream *	st,
		AVIOContext *	pb
	)

Definition at line 418 of file isom.c.

Referenced by ff_mov_read_esds(), ff_parse_mpeg2_descriptor(), and m4sl_cb().

int ff_mp4_read_descr	(	AVFormatContext *	fc,
		AVIOContext *	pb,
		int *	tag
	)

Definition at line 384 of file isom.c.

Referenced by ff_mov_read_esds(), ff_mp4_read_dec_config_descr(), and parse_mp4_descr().

int ff_mp4_read_descr_len

(

AVIOContext *

pb

)

Definition at line 371 of file isom.c.

Referenced by ff_mp4_read_descr(), and read_pakt_chunk().

---

Variable Documentation

const AVCodecTag ff_codec_movaudio_tags[]

Definition at line 240 of file isom.c.

Referenced by ff_mov_read_stsd_entries(), and mov_get_codec_tag().

const AVCodecTag ff_codec_movsubtitle_tags[]

Definition at line 289 of file isom.c.

Referenced by ff_mov_read_stsd_entries(), and mov_get_codec_tag().

const AVCodecTag ff_codec_movvideo_tags[]

Definition at line 69 of file isom.c.

Referenced by ff_mov_read_stsd_entries(), matroska_read_header(), mkv_write_codecprivate(), mkv_write_tracks(), and mov_get_codec_tag().

const AVCodecTag ff_mp4_obj_type[]

Definition at line 35 of file isom.c.

Referenced by mov_write_esds_tag(), and mp4_get_codec_tag().