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| author | atmos4 <atmos4@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-03-24 02:25:41 +0000 |
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| committer | atmos4 <atmos4@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-03-24 02:25:41 +0000 |
| commit | 086814f29412aac40b43a35e807a76090f2f500c (patch) | |
| tree | 896534f281478e6821b6bfd2a47b52f037fb3b21 /libmpdemux/parse_mp4.h | |
| parent | 52457a7c61c17b7d098df8b7c6cf0c24aec782ad (diff) | |
| download | mpv-086814f29412aac40b43a35e807a76090f2f500c.tar.bz2 mpv-086814f29412aac40b43a35e807a76090f2f500c.tar.xz | |
Improved MP4 parsing (finally)
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5302 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpdemux/parse_mp4.h')
| -rw-r--r-- | libmpdemux/parse_mp4.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/libmpdemux/parse_mp4.h b/libmpdemux/parse_mp4.h new file mode 100644 index 0000000000..882924bfe0 --- /dev/null +++ b/libmpdemux/parse_mp4.h @@ -0,0 +1,78 @@ +/* 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); + +#endif /* !__PARSE_MP4_H */ + |