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