#ifndef WH_MP4_H_c5e559d9_
#define WH_MP4_H_c5e559d9_

/* This file is in the public domain. */

typedef enum {
	  MP4_TT_NONE = 1,
	  MP4_TT_AUDIO,
	  MP4_TT_VIDEO,
	  } MP4TRKTYPE;

typedef enum {
	  MP4_AFMT_EOF = 1,
	  MP4_AFMT_SLIN16N,
	  } MP4_AFMT;

typedef struct mp4 MP4;
typedef struct mp4trk MP4TRK;

typedef struct mp4adesc MP4ADESC;

struct mp4adesc {
  unsigned int rate;
  unsigned int samples;
  unsigned int channels;
  MP4_AFMT format;
  const unsigned char *data;
  double when;
  } ;

typedef struct mp4vdesc MP4VDESC;

struct mp4vdesc {
  unsigned int w;
  unsigned int h;
  const unsigned char (*data)[4];
  double when;
  } ;

/* extra args to mp4_open appear in increasing flag-bit order */
extern MP4 *mp4_open(const char *, unsigned int flags, ...);
// Enable verbosity.  Extra: one FILE * (where to send verbosity).
#define MP4F_VERBOSE 0x00000001
// On error, return error instead of exiting.  Extra: const char **
//  to store error message through.
#define MP4F_ERRMSG  0x00000002
extern const char *mp4_scan(MP4 *);
extern void mp4_close(MP4 *);
extern int mp4_ntracks(MP4 *);
extern MP4TRKTYPE mp4_track_type(MP4 *, int);
extern MP4TRK *mp4_open_audio(MP4 *, int);
extern MP4TRK *mp4_open_video(MP4 *, int);
extern const MP4ADESC *mp4_get_audio(MP4TRK *);
extern const MP4VDESC *mp4_get_video(MP4TRK *);
extern int mp4_max_index(MP4TRK *);
extern double mp4_index_time(MP4TRK *, int);
extern int mp4_max_seekx(MP4TRK *);
extern double mp4_seekx_time(MP4TRK *, int);
extern void mp4_seek(MP4TRK *, int);
extern void mp4_close_track(MP4TRK *);

#endif