www.pudn.com > helix.src.0812.rar > xfade.h

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#ifndef _XFADE_H_ 
#define _XFADE_H_ 
 
#include "hxtypes.h" 
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
/* 32 bit crossfader */ 
 
typedef struct XFADER_STATE XFADER_STATE ; 
struct COEFF { INT32 gain,delta ; } ; 
 
XFADER_STATE* XFader_init(int sampleRate, int nChannels, const struct COEFF* coeff) ; 
void XFader_start(int nSamples, XFADER_STATE* instance) ; 
void XFader_free(XFADER_STATE* instance) ; 
int XFader_active(XFADER_STATE* instance) ; 
int XFader_feed(const INT32* in, INT32* inout, int nSamples, XFADER_STATE* instance) ; 
int Fader_feed(INT32 *inout, int nSamples, int fadeout, XFADER_STATE* instance) ; 
struct COEFF *sintab(void) ; 
 
extern const struct COEFF XFader_sin2tab[2*257] ; 
 
#ifdef __cplusplus 
} 
#endif 
 
#endif /* _XFADE_H_ */