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Annotation of uae/src/od-acorn/sound.c, revision 1.1

1.1     ! root        1:  /* 
        !             2:   * UAE - The Un*x Amiga Emulator
        !             3:   * 
        !             4:   * Support for Acorn RISC-OS sound
        !             5:   * 
        !             6:   * Copyright 1996, 1997 Peter Teichmann
        !             7:   */
        !             8: 
        !             9: #include "sysconfig.h"
        !            10: #include "sysdeps.h"
        !            11: 
        !            12: #include "config.h"
        !            13: #include "options.h"
        !            14: #include "memory.h"
        !            15: #include "custom.h"
        !            16: #include "audio.h"
        !            17: #include "gensound.h"
        !            18: #include "sounddep/sound.h"
        !            19: #include "events.h"
        !            20: 
        !            21: #include <math.h>
        !            22: 
        !            23: extern int sratecode;
        !            24: uae_u16 sndbuffer[44100];
        !            25: uae_u16 *sndbufpt;
        !            26: int sndbufsize;
        !            27: 
        !            28: int init_sound (void)
        !            29: {
        !            30:   int rate, dspbits;
        !            31:   
        !            32:   dspbits = sound_desired_bits;
        !            33:   rate = sound_desired_freq;
        !            34:   sratecode=4096.0*log(rate/4096.0)/log(2.0);
        !            35:   sndbufsize = sound_desired_maxbsiz;
        !            36: 
        !            37:   eventtab[ev_sample].evtime=(long)maxhpos*maxvpos*50/rate;
        !            38:   
        !            39:   if (dspbits == 16)
        !            40:   {
        !            41:     init_sound_table16();
        !            42:     eventtab[ev_sample].handler = sample16_handler;
        !            43:   }
        !            44:   else
        !            45:   {
        !            46:     init_sound_table8 ();
        !            47:     eventtab[ev_sample].handler = sample8_handler;
        !            48:   }
        !            49:     
        !            50:   sound_available=1;
        !            51:   sndbufpt=sndbuffer;
        !            52:   
        !            53:   return 1;
        !            54: }
        !            55: 
        !            56: void close_sound(void)
        !            57: {
        !            58: }
        !            59: 

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