138 lines
3.3 KiB
C
138 lines
3.3 KiB
C
/***********************************************************
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Copyrights : ksWaves Ltd. 1998.
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Provided to Microsoft under contract between ksWaves and Microsoft.
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************************************************************/
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/****************************************************************************
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Const defines :
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*****************************************************************************/
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#define FPU_DENORM_OFFS (float)1.0E-30
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#define BASE_REV_DELAY 0x4000
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#define BASE_DSPS_DELAY 0x800
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#define DSPS_MASK 0x7ff
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#define REV_MASK 0x3fff
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/****************************************************************************
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Coefs Struct :
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*****************************************************************************/
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typedef struct
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{
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long mySize;
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long myVersion;
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float SampleRate;
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float directGain;
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long l_directGain;
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float revGain;
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long l_revGain;
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long lDelay1;
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long lDelay2;
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long lDelay3;
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long lDelay4;
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long lDDly1;
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long lDDly2;
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float dDsps;
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long l_dDsps;
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float dDG1;
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long l_dDG1;
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float dDG2;
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long l_dDG2;
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float dFB11;
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long l_dFB11;
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float dFB12;
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long l_dFB12;
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float dFB21;
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long l_dFB21;
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float dFB22;
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long l_dFB22;
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float dFB31;
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long l_dFB31;
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float dFB32;
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long l_dFB32;
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float dFB41;
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long l_dFB41;
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float dFB42;
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long l_dFB42;
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float dDamp;
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long l_dDamp;
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} sCoefsStruct;
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/****************************************************************************
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Initialization and control functions :
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*****************************************************************************/
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define MAX_16 (float)((unsigned long)0x00008000)
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void InitSVerbStates( long *pStates );
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long DToF32( float dbl );
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void ConvertCoefsToFix( void *pC );
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void InitSVerb( float SampleRate, void *pCoefs);
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void SetSVerb( float InGain, float dRevMix, float dRevTime,
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float dHighFreqRTRatio, void *pCoefs );
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long GetCoefsSize(void);
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long GetStatesSize(void);
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long GetSVerbVersion(void);
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float VerifySampleRate(void *pCoefs);
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long VerifyVersion(void *pCoefs);
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long VerifySize(void *pCoefs);
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#define CLIP_SHORT_TO_SHORT(x)\
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if (x>32767)\
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x = 32767;\
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else if (x<-32768)\
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x = -32768;
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/****************************************************************************
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//Process Functions :
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*****************************************************************************/
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__inline void dsps( float *pDly, long ref, long delay, float dDG1, float dDsps, float *inL, float *inR );
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__inline void dspsL( long *pDly, long ref, long delay, long dDG1, long dDsps, long *inL, long *inR );
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void SVerbMonoToMonoShort(long NumInFrames, short *pInShort, short *pOutShort,
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void *pCoefs, long *pStates);
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void SVerbMonoToStereoShort(long NumInFrames, short *pInShort, short *pOutShort,
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void *pCoefs, long *pStates);
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void SVerbStereoToStereoShort(long NumInFrames, short *pInShort, short *pOutShort,
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void *pCoefs, long *pStates);
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void SVerbMonoToMonoFloat(long NumInFrames, float *pInFloat, float *pOutFloat,
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void *pCoefs, float *pStates);
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void SVerbMonoToStereoFloat(long NumInFrames, float *pInFloat, float *pOutFloat,
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void *pCoefs, float *pStates);
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void SVerbStereoToStereoFloat(long NumInFrames, float *pInFloat, float *pOutFloat,
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void *pCoefs, float *pStates);
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#ifdef __cplusplus
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}
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#endif
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