/*! @method Render */
OSStatus AUPannerBase::BypassRender(AudioUnitRenderActionFlags & ioActionFlags,
const AudioTimeStamp & inTimeStamp,
UInt32 inNumberFrames)
{
AudioUnitRenderActionFlags xflags = 0;
OSStatus result = PullInput(0, xflags, inTimeStamp, inNumberFrames);
if (result) return false;
bool isSilent = xflags & kAudioUnitRenderAction_OutputIsSilence;
AudioBufferList& outputBufferList = GetOutput(0)->GetBufferList();
AUBufferList::ZeroBuffer(outputBufferList);
if (!isSilent)
{
UInt32 inChannels = GetNumberOfInputChannels();
UInt32 outChannels = GetNumberOfOutputChannels();
Float32* bypass = mBypassMatrix();
for (UInt32 outChan = 0; outChan < outChannels; ++outChan)
{
float* outData = GetOutput(0)->GetChannelData(outChan);
for (UInt32 inChan = 0; inChan < inChannels; ++inChan)
{
float* inData = GetInput(0)->GetChannelData(inChan);
float *amp = bypass + (inChan * outChannels + outChan);
vDSP_vsma(inData, 1, amp, outData, 1, outData, 1, inNumberFrames);
}
}
}
return noErr;
}
OSStatus SonogramViewDemo::Render( AudioUnitRenderActionFlags &ioActionFlags,
const AudioTimeStamp & inTimeStamp,
UInt32 inFramesToProcess )
{
UInt32 actionFlags = 0;
OSStatus err = PullInput(0, actionFlags, inTimeStamp, inFramesToProcess);
if (err) return err;
AUInputElement* inputBus = GetInput(0);
AUOutputElement* outputBus = GetOutput(0);
outputBus->PrepareBuffer(inFramesToProcess); // prepare the output buffer list
AudioBufferList& inputBufList = inputBus->GetBufferList();
if (
mSpectralProcessor->ProcessForwards(inFramesToProcess, &inputBufList)
){
AudioBufferList* sdBufferList = &mSpectralDataBufferList->GetModifiableBufferList();
mSpectralProcessor->GetMagnitude(sdBufferList, mMinAmp, mMaxAmp);
// copy mNumBins of numbers out
SampleTime s = (SampleTime) (mRenderStamp.mSampleTime);
mSpectrumBuffer->Store(sdBufferList, 1, s);
mRenderStamp.mSampleTime += 1;
}
return AUEffectBase::Render(ioActionFlags, inTimeStamp, inFramesToProcess);
}
