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Annotation of uae/src/sd-sdl/sound.h, revision 1.1.1.3

1.1.1.2   root        1: /*
1.1       root        2:   * UAE - The Un*x Amiga Emulator
1.1.1.2   root        3:   *
1.1       root        4:   * Support for Linux/USS sound
1.1.1.2   root        5:   *
1.1       root        6:   * Copyright 1997 Bernd Schmidt
                      7:   */
                      8: 
                      9: extern int sound_fd;
1.1.1.3 ! root       10: extern uae_u16 *sndbufpt, *sndbuf_base;
1.1       root       11: extern int sndbufsize;
                     12: extern void finish_sound_buffer (void);
                     13: 
1.1.1.3 ! root       14: STATIC_INLINE int check_sound_buffers (void)
1.1       root       15: {
1.1.1.3 ! root       16:     if ((char *)sndbufpt - (char *)sndbuf_base >= sndbufsize) {
1.1       root       17:        finish_sound_buffer ();
1.1.1.3 ! root       18:        return 1;
1.1       root       19:     }
1.1.1.3 ! root       20:     return 0;
1.1       root       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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