/* 
 * Audio 'LIB' defines
 */

enum { AUDIO_OUT_HEADPHONES,AUDIO_OUT_INTERNAL_SPEAKER,AUDIO_OUT_LINE_OUT };
enum { DECODE_TEST, DECODE_AUDIO, DECODE_STDOUT, DECODE_BUFFER };

#define AUDIO_FORMAT_SIGNED_16    0x1
#define AUDIO_FORMAT_UNSIGNED_8   0x2
#define AUDIO_FORMAT_SIGNED_8     0x4
#define AUDIO_FORMAT_ULAW_8       0x8
#define AUDIO_FORMAT_ALAW_8       0x10

struct audio_info_struct
{
#ifdef AUDIO_USES_FD
  int fn; /* filenumber */
#endif
  ALconfig config;
  ALport port;
  long rate;
  int gain;
  int output;
  char *device;
  int channels;
  int format;
};

extern int audio_play_samples(struct audio_info_struct *,unsigned char *,int);
extern int audio_open(struct audio_info_struct *);
extern int audio_reset_parameters(struct audio_info_struct *);
extern int audio_rate_best_match(struct audio_info_struct *ai);
extern int audio_set_rate(struct audio_info_struct *);
extern int audio_set_format(struct audio_info_struct *);
extern int audio_get_formats(struct audio_info_struct *);
extern int audio_set_channels(struct audio_info_struct *);
extern int audio_write_sample(struct audio_info_struct *,short *,int);
extern int audio_close(struct audio_info_struct *);
extern void audio_info_struct_init(struct audio_info_struct *);