Revision 1d14ffa9 audio/mixeng.h

b/audio/mixeng.h
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/*
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 * QEMU Mixing engine header
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 *
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 * Copyright (c) 2004 Vassili Karpov (malc)
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 *
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 *
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 * Copyright (c) 2004-2005 Vassili Karpov (malc)
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
......
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#ifndef QEMU_MIXENG_H
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#define QEMU_MIXENG_H
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typedef void (t_sample) (void *dst, const void *src, int samples);


  		





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typedef void (f_sample) (void *dst, const void *src, int samples);


  		





  
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#ifdef FLOAT_MIXENG


  		





  
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typedef float real_t;


  		





  
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typedef struct { int mute; real_t r; real_t l; } volume_t;


  		





  
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typedef struct { real_t l; real_t r; } st_sample_t;


  		





  
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#else


  		





  
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typedef struct { int mute; int64_t r; int64_t l; } volume_t;


  		





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typedef struct { int64_t l; int64_t r; } st_sample_t;


  		





  
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#endif


  		





  
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typedef void (t_sample) (st_sample_t *dst, const void *src,


  		





  
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                         int samples, volume_t *vol);


  		





  
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typedef void (f_sample) (void *dst, const st_sample_t *src, int samples);


  		





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extern t_sample *mixeng_conv[2][2][2];


  		





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extern f_sample *mixeng_clip[2][2][2];


  		





  
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extern t_sample *mixeng_conv[2][2][2][2];


  		





  
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extern f_sample *mixeng_clip[2][2][2][2];


  		





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void *st_rate_start (int inrate, int outrate);


  		





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void st_rate_flow (void *opaque, st_sample_t *ibuf, st_sample_t *obuf,


  		





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                   int *isamp, int *osamp);


  		





  
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void st_rate_flow_mix (void *opaque, st_sample_t *ibuf, st_sample_t *obuf,


  		





  
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                       int *isamp, int *osamp);


  		





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void st_rate_stop (void *opaque);


  		





  
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void mixeng_clear (st_sample_t *buf, int len);


  		





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#endif  /* mixeng.h */


  		












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