/* 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 /* object type identifiers in the ESDS *//* See http://gpac.sourceforge.net/tutorial/mediatypes.htm *//* BIFS stream version 1 */#define MP4OTI_MPEG4Systems1                                0x01/* BIFS stream version 2 */#define MP4OTI_MPEG4Systems2                                0x02/* MPEG-4 visual stream */#define MP4OTI_MPEG4Visual                                  0x20/* MPEG-4 audio stream */#define MP4OTI_MPEG4Audio                                   0x40/* MPEG-2 visual streams with various profiles */#define MP4OTI_MPEG2VisualSimple                            0x60#define MP4OTI_MPEG2VisualMain                              0x61#define MP4OTI_MPEG2VisualSNR                               0x62#define MP4OTI_MPEG2VisualSpatial                           0x63#define MP4OTI_MPEG2VisualHigh                              0x64#define MP4OTI_MPEG2Visual422                               0x65/* MPEG-2 audio stream part 7 ("AAC") with various profiles */#define MP4OTI_MPEG2AudioMain                               0x66#define MP4OTI_MPEG2AudioLowComplexity                      0x67#define MP4OTI_MPEG2AudioScaleableSamplingRate              0x68/* MPEG-2 audio part 3 ("MP3") */#define MP4OTI_MPEG2AudioPart3                              0x69/* MPEG-1 visual visual stream */#define MP4OTI_MPEG1Visual                                  0x6A/* MPEG-1 audio stream part 3 ("MP3") */#define MP4OTI_MPEG1Audio                                   0x6B/* JPEG visual stream */#define MP4OTI_JPEG                                         0x6C/* 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 */