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Cpu: added BufMixCoeff + SSE implementation

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Added another buffer operation BufMixCoeff allowing to mix a certain
buffer to another at a given amount (coeff). CpuX86 has been extended
by an according SSE implementation.
This commit is contained in:
Tobias Doerffel
2009-10-26 00:00:37 +01:00
parent ff03ddb8e4
commit aff3789834
3 changed files with 49 additions and 0 deletions
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4
include/Cpu.h
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@@ -56,6 +56,9 @@ typedef void (*BufApplyGainFunc)( sampleFrameA * RP _dst,
typedef void (*BufMixFunc)( sampleFrameA * RP _dst,
const sampleFrameA * RP _src,
int _frames );
typedef void (*BufMixCoeffFunc)( sampleFrameA * RP _dst,
const sampleFrameA * RP _src,
float _coeff, int _frames );
typedef void (*BufMixLRCoeffFunc)( sampleFrameA * RP _dst,
const sampleFrameA * RP _src,
float _left, float _right,
@@ -81,6 +84,7 @@ extern MemCpyFunc memCpy;
extern MemClearFunc memClear;
extern BufApplyGainFunc bufApplyGain;
extern BufMixFunc bufMix;
extern BufMixCoeffFunc bufMixCoeff;
extern BufMixLRCoeffFunc bufMixLRCoeff;
extern UnalignedBufMixLRCoeffFunc unalignedBufMixLRCoeff;
extern BufWetDryMixFunc bufWetDryMix;

22
src/core/Cpu.cpp
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@@ -179,6 +179,25 @@ void bufMixNoOpt( sampleFrameA * RP _dst, const sampleFrameA * RP _src,
void bufMixCoeffNoOpt( sampleFrameA * RP _dst, const sampleFrameA * RP _src,
float _coeff, int _frames )
{
for( int i = 0; i < _frames; )
{
_dst[i+0][0] += _src[i+0][0]*_coeff;
_dst[i+0][1] += _src[i+0][1]*_coeff;
_dst[i+1][0] += _src[i+1][0]*_coeff;
_dst[i+1][1] += _src[i+1][1]*_coeff;
_dst[i+2][0] += _src[i+2][0]*_coeff;
_dst[i+2][1] += _src[i+2][1]*_coeff;
_dst[i+3][0] += _src[i+3][0]*_coeff;
_dst[i+3][1] += _src[i+3][1]*_coeff;
i += 4;
}
}
void bufMixLRCoeffNoOpt( sampleFrameA * RP _dst,
const sampleFrameA * RP _src,
float _left, float _right, int _frames )
@@ -306,6 +325,7 @@ MemCpyFunc memCpy = memCpyNoOpt;
MemClearFunc memClear = memClearNoOpt;
BufApplyGainFunc bufApplyGain = bufApplyGainNoOpt;
BufMixFunc bufMix = bufMixNoOpt;
BufMixCoeffFunc bufMixCoeff = bufMixCoeffNoOpt;
BufMixLRCoeffFunc bufMixLRCoeff = bufMixLRCoeffNoOpt;
UnalignedBufMixLRCoeffFunc unalignedBufMixLRCoeff = unalignedBufMixLRCoeffNoOpt;
BufWetDryMixFunc bufWetDryMix = bufWetDryMixNoOpt;
@@ -337,6 +357,7 @@ void memCpySSE( void * RP _dst, const void * RP _src, int _size );
void memClearSSE( void * RP _dst, int _size );
void bufApplyGainSSE( sampleFrameA * RP _dst, float _gain, int _frames );
void bufMixSSE( sampleFrameA * RP _dst, const sampleFrameA * RP _src, int _frames );
void bufMixCoeffSSE( sampleFrameA * RP _dst, const sampleFrameA * RP _src, float _coeff, int _frames );
void bufMixLRCoeffSSE( sampleFrameA * RP _dst, const sampleFrameA * RP _src, float _left, float _right, int _frames );
void unalignedBufMixLRCoeffSSE( sampleFrame * RP _dst, const sampleFrame * RP _src, const float _left, const float _right, int _frames );
void bufWetDryMixSSE( sampleFrameA * RP _dst, const sampleFrameA * RP _src, float _wet, float _dry, int _frames );
@@ -447,6 +468,7 @@ void init()
memClear = memClearSSE;
bufApplyGain = bufApplyGainSSE;
bufMix = bufMixSSE;
bufMixCoeff = bufMixCoeffSSE;
bufMixLRCoeff = bufMixLRCoeffSSE;
unalignedBufMixLRCoeff = unalignedBufMixLRCoeffSSE;
bufWetDryMix = bufWetDryMixSSE;

23
src/core/CpuX86.c
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@@ -229,6 +229,29 @@ void bufMixSSE( sampleFrameA * RP _dst, const sampleFrameA * RP _src,
}
void bufMixCoeffSSE( sampleFrameA * RP _dst, const sampleFrameA * RP _src,
float _coeff, int _frames )
{
int i;
PREFETCH_READ(_src);
PREFETCH_WRITE(_dst);
for( i = 0; i < _frames; )
{
_dst[i+0][0] += _src[i+0][0]*_coeff;
_dst[i+0][1] += _src[i+0][1]*_coeff;
_dst[i+1][0] += _src[i+1][0]*_coeff;
_dst[i+1][1] += _src[i+1][1]*_coeff;
_dst[i+2][0] += _src[i+2][0]*_coeff;
_dst[i+2][1] += _src[i+2][1]*_coeff;
_dst[i+3][0] += _src[i+3][0]*_coeff;
_dst[i+3][1] += _src[i+3][1]*_coeff;
i += 4;
}
}
void bufMixLRCoeffSSE( sampleFrameA * RP _dst,
const sampleFrameA * RP _src,
float _left, float _right, int _frames )