OSStatus AUEffectBase::SetProperty( AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
const void * inData,
UInt32 inDataSize)
{
if (inScope == kAudioUnitScope_Global) {
switch (inID) {
case kAudioUnitProperty_BypassEffect:
{
if (inDataSize < sizeof(UInt32))
return kAudioUnitErr_InvalidPropertyValue;
bool tempNewSetting = *((UInt32*)inData) != 0;
// we're changing the state of bypass
if (tempNewSetting != IsBypassEffect())
{
if (!tempNewSetting && IsBypassEffect() && IsInitialized()) // turning bypass off and we're initialized
Reset(0, 0);
SetBypassEffect (tempNewSetting);
}
return noErr;
}
case kAudioUnitProperty_InPlaceProcessing:
mProcessesInPlace = (*((UInt32*)inData) != 0);
return noErr;
}
}
return AUBase::SetProperty (inID, inScope, inElement, inData, inDataSize);
}
/*! @method Render */
OSStatus AUPannerBase::Render(AudioUnitRenderActionFlags & ioActionFlags,
const AudioTimeStamp & inTimeStamp,
UInt32 inNumberFrames)
{
if (IsBypassEffect())
return BypassRender(ioActionFlags, inTimeStamp, inNumberFrames);
else
return PannerRender(ioActionFlags, inTimeStamp, inNumberFrames);
}
/*! @method SetProperty */
ComponentResult AUPannerBase::SetProperty(AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
const void * inData,
UInt32 inDataSize)
{
switch (inID)
{
case kAudioUnitProperty_BypassEffect:
if (inDataSize < sizeof(UInt32))
return kAudioUnitErr_InvalidPropertyValue;
bool tempNewSetting = *((UInt32*)inData) != 0;
// we're changing the state of bypass
if (tempNewSetting != IsBypassEffect())
{
if (!tempNewSetting && IsBypassEffect() && IsInitialized()) // turning bypass off and we're initialized
Reset(0, 0);
SetBypassEffect (tempNewSetting);
}
return noErr;
}
return AUBase::SetProperty(inID, inScope, inElement, inData, inDataSize);
}
OSStatus AUEffectBase::GetProperty (AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
void * outData)
{
if (inScope == kAudioUnitScope_Global) {
switch (inID) {
case kAudioUnitProperty_BypassEffect:
*((UInt32*)outData) = (IsBypassEffect() ? 1 : 0);
return noErr;
case kAudioUnitProperty_InPlaceProcessing:
*((UInt32*)outData) = (mProcessesInPlace ? 1 : 0);
return noErr;
}
}
return AUBase::GetProperty (inID, inScope, inElement, outData);
}
/*! @method GetProperty */
OSStatus AUPannerBase::GetProperty (AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
void * outData)
{
OSStatus err = noErr;
switch (inID)
{
case kAudioUnitProperty_BypassEffect:
if (inScope != kAudioUnitScope_Global)
return kAudioUnitErr_InvalidScope;
*((UInt32*)outData) = (IsBypassEffect() ? 1 : 0);
break;
default:
err = AUBase::GetProperty(inID, inScope, inElement, outData);
}
return err;
}
ComponentResult AUInlineEffectBase::RenderBus(AudioUnitRenderActionFlags & flags,
const AudioTimeStamp & timestamp, UInt32 bus, UInt32 frames)
{
if ((bus != 0) || (! HasInput(0))) {
return kAudioUnitErr_NoConnection;
}
ComponentResult result;
AUInputElement *theInput = GetInput(0);
result = theInput->PullInput(flags, timestamp, 0, frames);
if (result == noErr) {
AudioBufferList & inputbuffers = theInput->GetBufferList();
if (! IsBypassEffect()) {
result = ProcessBufferLists(flags, inputbuffers, inputbuffers, frames);
}
GetOutput(0)->SetBufferList(inputbuffers);
}
return result;
}
