void EffectNoiseRemoval::ProcessSamples(sampleCount len, float *buffer)
{
int i;
while(len && mOutSampleCount < mInSampleCount) {
int avail = wxMin(len, mWindowSize - mInputPos);
for(i = 0; i < avail; i++)
mInWaveBuffer[mInputPos + i] = buffer[i];
buffer += avail;
len -= avail;
mInputPos += avail;
if (mInputPos == mWindowSize) {
FillFirstHistoryWindow();
if (mDoProfile)
GetProfile();
else
RemoveNoise();
RotateHistoryWindows();
// Rotate halfway for overlap-add
for(i = 0; i < mWindowSize / 2; i++) {
mInWaveBuffer[i] = mInWaveBuffer[i + mWindowSize / 2];
}
mInputPos = mWindowSize / 2;
}
}
}
bool EffectNoiseRemoval::ProcessOne(int count, WaveTrack * track,
longSampleCount start, sampleCount len)
{
bool retCode = true;
sampleCount s = 0;
sampleCount idealBlockLen = track->GetMaxBlockSize() * 4;
if (idealBlockLen % windowSize != 0)
idealBlockLen += (windowSize - (idealBlockLen % windowSize));
float *buffer = new float[idealBlockLen];
float *window1 = new float[windowSize];
float *window2 = new float[windowSize];
float *thisWindow = window1;
float *lastWindow = window2;
int i;
for(i=0; i<windowSize; i++) {
lastWindow[i] = 0;
smoothing[i] = float(0.0);
}
while((s < len)&&((len-s)>(windowSize/2))) {
sampleCount block = idealBlockLen;
if (s + block > len)
block = len - s;
track->Get((samplePtr) buffer, floatSample, start + s, block);
for(i=0; i<(block-windowSize/2); i+=windowSize/2) {
int wcopy = windowSize;
if (i + wcopy > block)
wcopy = block - i;
int j;
for(j=0; j<wcopy; j++)
thisWindow[j] = buffer[i+j];
for(j=wcopy; j<windowSize; j++)
thisWindow[j] = 0;
if (mDoProfile)
GetProfile(windowSize, thisWindow);
else {
//TIDY-ME: could we just test mLevel=<0 in CheckWhetherSkipEffect?
if (mLevel > 0) { // Skip NoiseRemoval if zero ... may apply for CleanChain
RemoveNoise(windowSize, thisWindow);
for(j=0; j<windowSize/2; j++) {
buffer[i+j] = thisWindow[j] + lastWindow[windowSize/2 + j];
}
}
}
float *tempP = thisWindow;
thisWindow = lastWindow;
lastWindow = tempP;
}
// Shift by half-a-window less than the block size we loaded
// (so that the blocks properly overlap)
block -= windowSize/2;
if (!mDoProfile)
track->Set((samplePtr) buffer, floatSample, start + s, block);
s += block;
if (TrackProgress(count, s / (double) len)) {
retCode = false;
break;
}
}
delete[] buffer;
delete[] window1;
delete[] window2;
return retCode;
}
bool EffectNoiseRemoval::ProcessOne(int count, WaveTrack * t,
sampleCount start, sampleCount len)
{
sampleCount s = start;
sampleCount idealBlockLen = t->GetMaxBlockSize() * 4;
if (idealBlockLen % windowSize != 0)
idealBlockLen += (windowSize - (idealBlockLen % windowSize));
sampleType *buffer = new sampleType[idealBlockLen];
sampleType *window1 = new sampleType[windowSize];
sampleType *window2 = new sampleType[windowSize];
sampleType *thisWindow = window1;
sampleType *lastWindow = window2;
sampleCount originalLen = len;
int i;
for(i=0; i<windowSize; i++) {
lastWindow[i] = 0;
smoothing[i] = 0.0;
}
while(len) {
int block = idealBlockLen;
if (block > len)
block = len;
t->Get(buffer, s, block);
for(i=0; i<block; i+=windowSize/2) {
int wlen = i + windowSize;
int wcopy = windowSize;
if (i + wcopy > block)
wcopy = block - i;
int j;
for(j=0; j<wcopy; j++)
thisWindow[j] = buffer[i+j];
for(j=wcopy; j<windowSize; j++)
thisWindow[j] = 0;
if (doProfile)
GetProfile(windowSize, thisWindow);
else {
RemoveNoise(windowSize, thisWindow);
for(j=0; j<windowSize/2; j++)
buffer[i+j] = thisWindow[j] + lastWindow[windowSize/2 + j];
}
sampleType *tempP = thisWindow;
thisWindow = lastWindow;
lastWindow = tempP;
}
if (len > block && len > windowSize/2)
block -= windowSize/2;
if (!doProfile)
t->Set(buffer, s, block);
len -= block;
s += block;
TrackProgress(count, (s-start)/(double)originalLen);
}
delete[] buffer;
delete[] window1;
delete[] window2;
return true;
}
bool EffectWaveletDenoise::ProcessOne(int count, WaveTrack * t,
sampleCount start, sampleCount len)
{
sampleCount s = start;
sampleCount idealBlockLen = t->GetMaxBlockSize() * 4;
if (idealBlockLen % windowSize != 0)
idealBlockLen += (windowSize - (idealBlockLen % windowSize));
float *buffer = new float[idealBlockLen];
float *window1 = new float[windowSize];
float *window2 = new float[windowSize];
float *thisWindow = window1;
float *lastWindow = window2;
sampleCount originalLen = len;
int i;
bool first = true;
for(i=0; i<windowSize; i++) {
lastWindow[i] = 0;
}
while(len) {
sampleCount block = idealBlockLen;
if (block > len)
block = len;
t->Get(buffer, s, block);
for(i=0; i<block; i+=windowSize/2) {
int wlen = i + windowSize;
int wcopy = windowSize;
if (i + wcopy > block)
wcopy = block - i;
int j;
for(j=0; j<wcopy; j++)
thisWindow[j] = buffer[i+j];
for(j=wcopy; j<windowSize; j++)
thisWindow[j] = 0;
RemoveNoise(windowSize, thisWindow, first);
first = false;
for(j=0; j<windowSize/2; j++)
buffer[i+j] = thisWindow[j] + lastWindow[windowSize/2 + j];
float *tempP = thisWindow;
thisWindow = lastWindow;
lastWindow = tempP;
}
if (len > block && len > windowSize/2)
block -= windowSize/2;
t->Set(buffer, s, block);
len -= block;
s += block;
TrackProgress(count, (s-start)/(double)originalLen);
}
delete[] buffer;
delete[] window1;
delete[] window2;
return true;
}
bool EffectNoiseRemoval::ProcessOne(int count, WaveTrack * track,
longSampleCount start, sampleCount len)
{
sampleCount s = 0;
sampleCount idealBlockLen = track->GetMaxBlockSize() * 4;
if (idealBlockLen % windowSize != 0)
idealBlockLen += (windowSize - (idealBlockLen % windowSize));
float *buffer = new float[idealBlockLen];
float *window1 = new float[windowSize];
float *window2 = new float[windowSize];
float *thisWindow = window1;
float *lastWindow = window2;
int i;
for(i=0; i<windowSize; i++) {
lastWindow[i] = 0;
smoothing[i] = float(0.0);
}
while((s < len)&&((len-s)>(windowSize/2))) {
sampleCount block = idealBlockLen;
if (s + block > len)
block = len - s;
track->Get((samplePtr) buffer, floatSample, start + s, block);
for(i=0; i<(block-windowSize/2); i+=windowSize/2) {
int wcopy = windowSize;
if (i + wcopy > block)
wcopy = block - i;
int j;
for(j=0; j<wcopy; j++)
thisWindow[j] = buffer[i+j];
for(j=wcopy; j<windowSize; j++)
thisWindow[j] = 0;
if (doProfile)
GetProfile(windowSize, thisWindow);
else {
RemoveNoise(windowSize, thisWindow);
for(j=0; j<windowSize/2; j++)
buffer[i+j] = thisWindow[j] + lastWindow[windowSize/2 + j];
}
float *tempP = thisWindow;
thisWindow = lastWindow;
lastWindow = tempP;
}
// Shift by half-a-window less than the block size we loaded
// (so that the blocks properly overlap)
block -= windowSize/2;
if (!doProfile)
track->Set((samplePtr) buffer, floatSample, start + s, block);
s += block;
if (TrackProgress(count, s / (double) len))
return false;
}
delete[] buffer;
delete[] window1;
delete[] window2;
return true;
}
