File:  [UNIX Amiga Emulator] / uae / src / od-beos / sound.h
Revision 1.1.1.2 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 17:15:52 2018 UTC (8 years, 2 months ago) by root
Branches: MAIN, BSchmidt
CVS tags: uae0829, uae0828, uae0827, uae0826, uae0825, HEAD
uae-0.8.25

 /*
  * 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
#define HAVE_STEREO_SUPPORT

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