Source to src/od-beos/sound.h

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 /*
  * UAE - The Un*x Amiga Emulator
  *
  * Support for BeOS sound
  *
  * Copyright 1996, 1997 Christian Bauer
  */

extern uae_u16 *sndbuffer;
extern uae_u16 *sndbufpt;
extern int sndbufsize;

extern void flush_sound_buffer(void);
static __inline__ void check_sound_buffers (void)
{
    if ((char *)sndbufpt - (char *)sndbuffer >= sndbufsize) {
	flush_sound_buffer();
    }
}

#define PUT_SOUND_BYTE(b) do { *(uae_u8 *)sndbufpt = b; sndbufpt = (uae_u16 *)(((uae_u8 *)sndbufpt) + 1); } while (0)
#define PUT_SOUND_WORD(b) do { *(uae_u16 *)sndbufpt = b; sndbufpt = (uae_u16 *)(((uae_u8 *)sndbufpt) + 2); } while (0)
#define PUT_SOUND_BYTE_LEFT(b) PUT_SOUND_BYTE(b)
#define PUT_SOUND_WORD_LEFT(b) PUT_SOUND_WORD(b)
#define PUT_SOUND_BYTE_RIGHT(b) PUT_SOUND_BYTE(b)
#define PUT_SOUND_WORD_RIGHT(b) PUT_SOUND_WORD(b)
#define SOUND16_BASE_VAL 0
#define SOUND8_BASE_VAL 128

#define DEFAULT_SOUND_MAXB 8192
#define DEFAULT_SOUND_MINB 8192
#define DEFAULT_SOUND_BITS 16
#define DEFAULT_SOUND_FREQ 44100