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	MOVSbgp
struct	MOVStreamContext
struct	MOVContext

Macros
#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
#define	MOV_TKHD_FLAG_ENABLED   0x0001
#define	MOV_TKHD_FLAG_IN_MOVIE   0x0002
#define	MOV_TKHD_FLAG_IN_PREVIEW   0x0004
#define	MOV_TKHD_FLAG_IN_POSTER   0x0008
#define	TAG_IS_AVCI(tag)

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 AVCodecID	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_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 []

Macro Definition Documentation

#define MP4ODescrTag   0x01

Definition at line 177 of file isom.h.

Referenced by parse_mp4_descr().

#define MP4IODescrTag   0x02

Definition at line 178 of file isom.h.

Referenced by mp4_read_iods(), and parse_mp4_descr().

#define MP4ESDescrTag   0x03

Definition at line 179 of file isom.h.

Referenced by ff_mov_read_esds(), and parse_mp4_descr().

#define MP4DecConfigDescrTag   0x04

Definition at line 180 of file isom.h.

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

#define MP4DecSpecificDescrTag   0x05

Definition at line 181 of file isom.h.

Referenced by ff_mp4_read_dec_config_descr().

#define MP4SLDescrTag   0x06

Definition at line 182 of file isom.h.

Referenced by parse_mp4_descr(), and parse_MP4ESDescrTag().

#define MOV_TFHD_BASE_DATA_OFFSET   0x01

Definition at line 184 of file isom.h.

Referenced by mov_read_tfhd(), and mov_write_tfhd_tag().

#define MOV_TFHD_STSD_ID   0x02

Definition at line 185 of file isom.h.

Referenced by mov_read_tfhd().

#define MOV_TFHD_DEFAULT_DURATION   0x08

Definition at line 186 of file isom.h.

Referenced by mov_read_tfhd(), and mov_write_tfhd_tag().

#define MOV_TFHD_DEFAULT_SIZE   0x10

Definition at line 187 of file isom.h.

Referenced by mov_read_tfhd(), and mov_write_tfhd_tag().

#define MOV_TFHD_DEFAULT_FLAGS   0x20

Definition at line 188 of file isom.h.

Referenced by mov_read_tfhd(), and mov_write_tfhd_tag().

#define MOV_TFHD_DURATION_IS_EMPTY   0x010000

Definition at line 189 of file isom.h.

Referenced by mov_write_tfhd_tag().

#define MOV_TRUN_DATA_OFFSET   0x01

Definition at line 191 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MOV_TRUN_FIRST_SAMPLE_FLAGS   0x04

Definition at line 192 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MOV_TRUN_SAMPLE_DURATION   0x100

Definition at line 193 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MOV_TRUN_SAMPLE_SIZE   0x200

Definition at line 194 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MOV_TRUN_SAMPLE_FLAGS   0x400

Definition at line 195 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MOV_TRUN_SAMPLE_CTS   0x800

Definition at line 196 of file isom.h.

Referenced by mov_read_trun(), and mov_write_trun_tag().

#define MOV_FRAG_SAMPLE_FLAG_DEGRADATION_PRIORITY_MASK   0x0000ffff

Definition at line 198 of file isom.h.

#define MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC   0x00010000

Definition at line 199 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 200 of file isom.h.

#define MOV_FRAG_SAMPLE_FLAG_REDUNDANCY_MASK   0x00300000

Definition at line 201 of file isom.h.

#define MOV_FRAG_SAMPLE_FLAG_DEPENDED_MASK   0x00c00000

Definition at line 202 of file isom.h.

#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_MASK   0x03000000

Definition at line 203 of file isom.h.

#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO   0x02000000

Definition at line 205 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 206 of file isom.h.

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

#define MOV_TKHD_FLAG_ENABLED   0x0001

Definition at line 208 of file isom.h.

Referenced by mov_read_tkhd(), and mov_write_tkhd_tag().

#define MOV_TKHD_FLAG_IN_MOVIE   0x0002

Definition at line 209 of file isom.h.

Referenced by mov_write_tkhd_tag().

#define MOV_TKHD_FLAG_IN_PREVIEW   0x0004

Definition at line 210 of file isom.h.

#define MOV_TKHD_FLAG_IN_POSTER   0x0008

Definition at line 211 of file isom.h.

#define TAG_IS_AVCI

(

tag

)

Value:

((tag) == MKTAG('a', 'i', '5', 'p') ||  \
     (tag) == MKTAG('a', 'i', '5', 'q') ||  \
     (tag) == MKTAG('a', 'i', '5', '2') ||  \
     (tag) == MKTAG('a', 'i', '5', '3') ||  \
     (tag) == MKTAG('a', 'i', '5', '5') ||  \
     (tag) == MKTAG('a', 'i', '5', '6') ||  \
     (tag) == MKTAG('a', 'i', '1', 'p') ||  \
     (tag) == MKTAG('a', 'i', '1', 'q') ||  \
     (tag) == MKTAG('a', 'i', '1', '2') ||  \
     (tag) == MKTAG('a', 'i', '1', '3') ||  \
     (tag) == MKTAG('a', 'i', '1', '5') ||  \
     (tag) == MKTAG('a', 'i', '1', '6') ||  \
     (tag) == MKTAG('A', 'V', 'i', 'n'))

Definition at line 213 of file isom.h.

Referenced by mov_read_trak().

Function Documentation

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

Definition at line 344 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 371 of file isom.c.

Referenced by mov_read_mdhd(), and mov_read_udta_string().

int ff_mp4_read_descr_len

(

AVIOContext *

pb

)

Definition at line 393 of file isom.c.

Referenced by ff_mp4_read_descr(), and read_pakt_chunk().

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

Definition at line 406 of file isom.c.

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

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

Definition at line 440 of file isom.c.

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

void ff_mp4_parse_es_descr	(	AVIOContext *	pb,
		int *	es_id
	)

Definition at line 415 of file isom.c.

Referenced by ff_mov_read_esds(), and parse_MP4ESDescrTag().

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

Definition at line 610 of file mov.c.

Referenced by mov_read_esds(), and read_kuki_chunk().

enum AVCodecID 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 1232 of file mov.c.

Referenced by mov_parse_stsd_audio(), and read_desc_chunk().

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

Definition at line 1613 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 558 of file isom.c.

Referenced by aiff_write_header(), and caf_write_header().

Variable Documentation

const AVCodecTag ff_mp4_obj_type[]

Definition at line 32 of file isom.c.

Referenced by mov_write_esds_tag(), and mp4_get_codec_tag().

const AVCodecTag ff_codec_movvideo_tags[]

Definition at line 67 of file isom.c.

Referenced by avformat_get_mov_video_tags(), matroska_read_header(), mkv_write_codecprivate(), mkv_write_tracks(), mov_codec_id(), mov_get_codec_tag(), and mov_skip_multiple_stsd().

const AVCodecTag ff_codec_movaudio_tags[]

Definition at line 257 of file isom.c.

Referenced by avformat_get_mov_audio_tags(), matroska_read_header(), mov_codec_id(), and mov_get_codec_tag().

const AVCodecTag ff_codec_movsubtitle_tags[]

Definition at line 311 of file isom.c.

Referenced by mov_codec_id(), and mov_get_codec_tag().