Reverb::Reverb(ThreadSharedFloatArrayBufferList* impulseResponse, size_t impulseResponseBufferLength, size_t maxFFTSize, bool useBackgroundThreads, bool normalize, float sampleRate)
{
float scale = 1;
AutoTArray<const float*,4> irChannels;
for (size_t i = 0; i < impulseResponse->GetChannels(); ++i) {
irChannels.AppendElement(impulseResponse->GetData(i));
}
AutoTArray<float,1024> tempBuf;
if (normalize) {
scale = calculateNormalizationScale(impulseResponse, impulseResponseBufferLength, sampleRate);
if (scale) {
tempBuf.SetLength(irChannels.Length()*impulseResponseBufferLength);
for (uint32_t i = 0; i < irChannels.Length(); ++i) {
float* buf = &tempBuf[i*impulseResponseBufferLength];
AudioBufferCopyWithScale(irChannels[i], scale, buf,
impulseResponseBufferLength);
irChannels[i] = buf;
}
}
}
initialize(irChannels, impulseResponseBufferLength,
maxFFTSize, useBackgroundThreads);
}
Reverb::Reverb(ThreadSharedFloatArrayBufferList* impulseResponse, size_t impulseResponseBufferLength, size_t renderSliceSize, size_t maxFFTSize, size_t numberOfChannels, bool useBackgroundThreads, bool normalize, float sampleRate)
{
float scale = 1;
if (normalize) {
scale = calculateNormalizationScale(impulseResponse, impulseResponseBufferLength, sampleRate);
if (scale) {
for (uint32_t i = 0; i < impulseResponse->GetChannels(); ++i) {
AudioBufferInPlaceScale(const_cast<float*>(impulseResponse->GetData(i)),
1, scale, impulseResponseBufferLength);
}
}
}
initialize(impulseResponse, impulseResponseBufferLength, renderSliceSize, maxFFTSize, numberOfChannels, useBackgroundThreads);
// Undo scaling since this shouldn't be a destructive operation on impulseResponse.
// FIXME: What about roundoff? Perhaps consider making a temporary scaled copy
// instead of scaling and unscaling in place.
if (normalize && scale) {
for (uint32_t i = 0; i < impulseResponse->GetChannels(); ++i) {
AudioBufferInPlaceScale(const_cast<float*>(impulseResponse->GetData(i)),
1, 1 / scale, impulseResponseBufferLength);
}
}
}
Reverb::Reverb(AudioBus* impulseResponse, size_t renderSliceSize, size_t maxFFTSize, size_t numberOfChannels, bool useBackgroundThreads)
{
double scale = calculateNormalizationScale(impulseResponse);
if (scale)
impulseResponse->scale(scale);
initialize(impulseResponse, renderSliceSize, maxFFTSize, numberOfChannels, useBackgroundThreads);
// Undo scaling since this shouldn't be a destructive operation on impulseResponse
if (scale)
impulseResponse->scale(1.0 / scale);
}
Reverb::Reverb(AudioBus* impulseResponse, size_t renderSliceSize, size_t maxFFTSize, size_t numberOfChannels, bool useBackgroundThreads, bool normalize)
{
double scale = 1;
if (normalize) {
scale = calculateNormalizationScale(impulseResponse);
if (scale)
impulseResponse->scale(scale);
}
initialize(impulseResponse, renderSliceSize, maxFFTSize, numberOfChannels, useBackgroundThreads);
// Undo scaling since this shouldn't be a destructive operation on impulseResponse.
// FIXME: What about roundoff? Perhaps consider making a temporary scaled copy
// instead of scaling and unscaling in place.
if (normalize && scale)
impulseResponse->scale(1.0 / scale);
}
