Annotation of uae/src/sd-file/sound.h, revision 1.1.1.1

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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