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Annotation of uae/src/sd-file/sound.h, revision 1.1

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: 
        !            14: extern unsigned long sndbuf_written;
        !            15: 
        !            16: static __inline__ void check_sound_buffers (void)
        !            17: {
        !            18:     if ((char *)sndbufpt - (char *)sndbuffer >= sndbufsize) {
        !            19:        write (sound_fd, sndbuffer, sndbufsize);
        !            20:        sndbufpt = sndbuffer;
        !            21:        sndbuf_written += sndbufsize;
        !            22:     }
        !            23: }
        !            24: 
        !            25: #define PUT_SOUND_BYTE(b) do { *(uae_u8 *)sndbufpt = b; sndbufpt = (uae_u16 *)(((uae_u8 *)sndbufpt) + 1); } while (0)
        !            26: #define PUT_SOUND_WORD(b) do { *(uae_u16 *)sndbufpt = b; sndbufpt = (uae_u16 *)(((uae_u8 *)sndbufpt) + 2); } while (0)
        !            27: #define PUT_SOUND_BYTE_LEFT(b) PUT_SOUND_BYTE(b)
        !            28: #define PUT_SOUND_WORD_LEFT(b) PUT_SOUND_WORD(b)
        !            29: #define PUT_SOUND_BYTE_RIGHT(b) PUT_SOUND_BYTE(b)
        !            30: #define PUT_SOUND_WORD_RIGHT(b) PUT_SOUND_WORD(b)
        !            31: #define SOUND16_BASE_VAL 0
        !            32: #define SOUND8_BASE_VAL 128
        !            33: 
        !            34: #define DEFAULT_SOUND_MAXB 8192
        !            35: #define DEFAULT_SOUND_MINB 8192
        !            36: #define DEFAULT_SOUND_BITS 16
        !            37: #define DEFAULT_SOUND_FREQ 44100
        !            38: #define HAVE_STEREO_SUPPORT

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