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mpv/libmpdemux/parse_mp4.h
atmos4 a0399163e6 - Add parsing of Sync Layer Descriptor
- Add a function to cleanup malloced mem from mp4_parse_esds
- Fix some weird code from me :)


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5306 b3059339-0415-0410-9bf9-f77b7e298cf2
2002-03-24 06:10:13 +00:00

80 lines
1.9 KiB
C

/* parse_mp4.h - Headerfile for MP4 file format parser code
* This file is part of MPlayer, see http://mplayerhq.hu/ for info.
* (c)2002 by Felix Buenemann <atmosfear at users.sourceforge.net>
* File licensed under the GPL, see http://www.fsf.org/ for more info.
*/
#ifndef __PARSE_MP4_H
#define __PARSE_MP4_H 1
#include <inttypes.h>
/* one byte tag identifiers */
#define MP4ODescrTag 0x01
#define MP4IODescrTag 0x02
#define MP4ESDescrTag 0x03
#define MP4DecConfigDescrTag 0x04
#define MP4DecSpecificDescrTag 0x05
#define MP4SLConfigDescrTag 0x06
#define MP4ContentIdDescrTag 0x07
#define MP4SupplContentIdDescrTag 0x08
#define MP4IPIPtrDescrTag 0x09
#define MP4IPMPPtrDescrTag 0x0A
#define MP4IPMPDescrTag 0x0B
#define MP4RegistrationDescrTag 0x0D
#define MP4ESIDIncDescrTag 0x0E
#define MP4ESIDRefDescrTag 0x0F
#define MP4FileIODescrTag 0x10
#define MP4FileODescrTag 0x11
#define MP4ExtProfileLevelDescrTag 0x13
#define MP4ExtDescrTagsStart 0x80
#define MP4ExtDescrTagsEnd 0xFE
/* I define uint24 here for better understanding */
#ifndef uint24_t
#define uint24_t uint32_t
#endif
/* esds_t */
typedef struct {
uint8_t version;
uint24_t flags;
/* 0x03 ESDescrTag */
uint16_t ESId;
uint8_t streamPriority;
/* 0x04 DecConfigDescrTag */
uint8_t objectTypeId;
uint8_t streamType;
/* XXX: really streamType is
* only 6bit, followed by:
* 1bit upStream
* 1bit reserved
*/
uint24_t bufferSizeDB;
uint32_t maxBitrate;
uint32_t avgBitrate;
/* 0x05 DecSpecificDescrTag */
uint8_t decoderConfigLen;
uint8_t *decoderConfig;
/* 0x06 SLConfigDescrTag */
uint8_t SLConfigLen;
uint8_t *SLConfig;
/* TODO: add the missing tags,
* I currently have no specs
* for them and doubt they
* are currently needed ::atmos
*/
} esds_t;
int mp4_parse_esds(unsigned char *data, int datalen, esds_t *esds);
void mp4_free_esds(esds_t *esds);
#endif /* !__PARSE_MP4_H */