Autres/audacity
1
0
Fork 0
mirror of https://github.com/cookiengineer/audacity synced 2025-11-09 14:43:57 +01:00
Code Issues Releases Wiki Activity

Redo type HFFT as a smart pointer, remove malloc and free

Browse Source
This commit is contained in:
Paul Licameli
2016-08-13 11:02:35 -04:00
parent c5007d846e
commit 58574f2f78
12 changed files with 210 additions and 246 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/effects/NoiseRemoval.cpp
View File

@@ -288,7 +288,7 @@ void EffectNoiseRemoval::Initialize()
mImagFFTs.reinit(mHistoryLen, mSpectrumSize);
// Initialize the FFT
hFFT = InitializeFFT(mWindowSize);
hFFT = GetFFT(mWindowSize);
mFFTBuffer.reinit(mWindowSize);
mInWaveBuffer.reinit(mWindowSize);
@@ -307,7 +307,7 @@ void EffectNoiseRemoval::Initialize()
void EffectNoiseRemoval::Cleanup()
{
EndFFT(hFFT);
hFFT.reset();
if (mDoProfile) {
ApplyFreqSmoothing(mNoiseThreshold.get());
@@ -374,8 +374,8 @@ void EffectNoiseRemoval::FillFirstHistoryWindow()
{
for(size_t i = 0; i < mWindowSize; i++)
mFFTBuffer[i] = mInWaveBuffer[i];
RealFFTf(mFFTBuffer.get(), hFFT);
for(size_t i = 1; i < (mSpectrumSize-1); i++) {
RealFFTf(mFFTBuffer.get(), hFFT.get());
for(size_t i = 1; i + 1 < mSpectrumSize; i++) {
mRealFFTs[0][i] = mFFTBuffer[hFFT->BitReversed[i] ];
mImagFFTs[0][i] = mFFTBuffer[hFFT->BitReversed[i]+1];
mSpectrums[0][i] = mRealFFTs[0][i]*mRealFFTs[0][i] + mImagFFTs[0][i]*mImagFFTs[0][i];
@@ -502,7 +502,7 @@ void EffectNoiseRemoval::RemoveNoise()
mFFTBuffer[1] = mRealFFTs[out][mSpectrumSize-1] * mGains[out][mSpectrumSize-1];
// Invert the FFT into the output buffer
InverseRealFFTf(mFFTBuffer.get(), hFFT);
InverseRealFFTf(mFFTBuffer.get(), hFFT.get());
// Overlap-add
for(size_t j = 0; j < (mSpectrumSize-1); j++) {