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1.1 ! root 1: /* ! 2: * UAE - The Un*x Amiga Emulator ! 3: * ! 4: * Support for Linux/USS sound ! 5: * ! 6: * Copyright 1997 Bernd Schmidt ! 7: */ ! 8: ! 9: extern int sound_fd; ! 10: extern uae_u16 sndbuffer[]; ! 11: extern uae_u16 *sndbufpt; ! 12: extern int sndbufsize; ! 13: extern void finish_sound_buffer (void); ! 14: ! 15: static __inline__ void check_sound_buffers (void) ! 16: { ! 17: if ((char *)sndbufpt - (char *)sndbuffer >= sndbufsize) { ! 18: finish_sound_buffer (); ! 19: sndbufpt = sndbuffer; ! 20: } ! 21: } ! 22: ! 23: #define PUT_SOUND_BYTE(b) do { *(uae_u8 *)sndbufpt = b; sndbufpt = (uae_u16 *)(((uae_u8 *)sndbufpt) + 1); } while (0) ! 24: #define PUT_SOUND_WORD(b) do { *(uae_u16 *)sndbufpt = b; sndbufpt = (uae_u16 *)(((uae_u8 *)sndbufpt) + 2); } while (0) ! 25: #define PUT_SOUND_BYTE_LEFT(b) PUT_SOUND_BYTE(b) ! 26: #define PUT_SOUND_WORD_LEFT(b) PUT_SOUND_WORD(b) ! 27: #define PUT_SOUND_BYTE_RIGHT(b) PUT_SOUND_BYTE(b) ! 28: #define PUT_SOUND_WORD_RIGHT(b) PUT_SOUND_WORD(b) ! 29: #define SOUND16_BASE_VAL 0 ! 30: #define SOUND8_BASE_VAL 128 ! 31: ! 32: #define DEFAULT_SOUND_MAXB 8192 ! 33: #define DEFAULT_SOUND_MINB 8192 ! 34: #define DEFAULT_SOUND_BITS 16 ! 35: #define DEFAULT_SOUND_FREQ 44100 ! 36: #define HAVE_STEREO_SUPPORT
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