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Updated SoundTouch library to 1.9.2

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This commit is contained in:
skidau
2015-12-28 23:07:53 +11:00
parent aabcd441d9
commit cfa925fbbe
27 changed files with 497 additions and 286 deletions
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29
Externals/soundtouch/mmx_optimized.cpp vendored
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@ -20,10 +20,10 @@
///
////////////////////////////////////////////////////////////////////////////////
//
// Last changed : $Date: 2014-01-08 05:25:40 +1100 (Wed, 08 Jan 2014) $
// Last changed : $Date: 2015-08-09 00:00:15 +0300 (Sun, 09 Aug 2015) $
// File revision : $Revision: 4 $
//
// $Id: mmx_optimized.cpp 184 2014-01-07 18:25:40Z oparviai $
// $Id: mmx_optimized.cpp 226 2015-08-08 21:00:15Z oparviai $
//
////////////////////////////////////////////////////////////////////////////////
//
@ -68,7 +68,7 @@ using namespace soundtouch;
// Calculates cross correlation of two buffers
double TDStretchMMX::calcCrossCorr(const short *pV1, const short *pV2, double &dnorm) const
double TDStretchMMX::calcCrossCorr(const short *pV1, const short *pV2, double &dnorm)
{
const __m64 *pVec1, *pVec2;
__m64 shifter;
@ -79,7 +79,7 @@ double TDStretchMMX::calcCrossCorr(const short *pV1, const short *pV2, double &d
pVec1 = (__m64*)pV1;
pVec2 = (__m64*)pV2;
shifter = _m_from_int(overlapDividerBits);
shifter = _m_from_int(overlapDividerBitsNorm);
normaccu = accu = _mm_setzero_si64();
// Process 4 parallel sets of 2 * stereo samples or 4 * mono samples
@ -123,6 +123,11 @@ double TDStretchMMX::calcCrossCorr(const short *pV1, const short *pV2, double &d
// Clear MMS state
_m_empty();
if (norm > (long)maxnorm)
{
maxnorm = norm;
}
// Normalize result by dividing by sqrt(norm) - this step is easiest
// done using floating point operation
dnorm = (double)norm;
@ -134,7 +139,7 @@ double TDStretchMMX::calcCrossCorr(const short *pV1, const short *pV2, double &d
/// Update cross-correlation by accumulating "norm" coefficient by previously calculated value
double TDStretchMMX::calcCrossCorrAccumulate(const short *pV1, const short *pV2, double &dnorm) const
double TDStretchMMX::calcCrossCorrAccumulate(const short *pV1, const short *pV2, double &dnorm)
{
const __m64 *pVec1, *pVec2;
__m64 shifter;
@ -146,13 +151,13 @@ double TDStretchMMX::calcCrossCorrAccumulate(const short *pV1, const short *pV2,
lnorm = 0;
for (i = 1; i <= channels; i ++)
{
lnorm -= (pV1[-i] * pV1[-i]) >> overlapDividerBits;
lnorm -= (pV1[-i] * pV1[-i]) >> overlapDividerBitsNorm;
}
pVec1 = (__m64*)pV1;
pVec2 = (__m64*)pV2;
shifter = _m_from_int(overlapDividerBits);
shifter = _m_from_int(overlapDividerBitsNorm);
accu = _mm_setzero_si64();
// Process 4 parallel sets of 2 * stereo samples or 4 * mono samples
@ -191,10 +196,15 @@ double TDStretchMMX::calcCrossCorrAccumulate(const short *pV1, const short *pV2,
pV1 = (short *)pVec1;
for (int j = 1; j <= channels; j ++)
{
lnorm += (pV1[-j] * pV1[-j]) >> overlapDividerBits;
lnorm += (pV1[-j] * pV1[-j]) >> overlapDividerBitsNorm;
}
dnorm += (double)lnorm;
if (lnorm > (long)maxnorm)
{
maxnorm = lnorm;
}
// Normalize result by dividing by sqrt(norm) - this step is easiest
// done using floating point operation
return (double)corr / sqrt((dnorm < 1e-9) ? 1.0 : dnorm);
@ -233,7 +243,7 @@ void TDStretchMMX::overlapStereo(short *output, const short *input) const
// Overlaplength-division by shifter. "+1" is to account for "-1" deduced in
// overlapDividerBits calculation earlier.
shifter = _m_from_int(overlapDividerBits + 1);
shifter = _m_from_int(overlapDividerBitsPure + 1);
for (i = 0; i < overlapLength / 4; i ++)
{
@ -287,6 +297,7 @@ void TDStretchMMX::overlapStereo(short *output, const short *input) const
FIRFilterMMX::FIRFilterMMX() : FIRFilter()
{
filterCoeffsAlign = NULL;
filterCoeffsUnalign = NULL;
}