//-----------------------------------------------------------------------------
OSStatus C700::Render( AudioUnitRenderActionFlags & ioActionFlags,
const AudioTimeStamp & inTimeStamp,
UInt32 inNumberFrames)
{
OSStatus result = AUInstrumentBase::Render(ioActionFlags, inTimeStamp, inNumberFrames);
CallHostBeatAndTempo(NULL, &mTempo);
mEfx->SetTempo( mTempo );
//バッファの確保
float *output[2];
AudioBufferList& bufferList = GetOutput(0)->GetBufferList();
int numChans = bufferList.mNumberBuffers;
if (numChans > 2) return -1;
output[0] = (float*)bufferList.mBuffers[0].mData;
output[1] = numChans==2 ? (float*)bufferList.mBuffers[1].mData : NULL;
//パラメータの反映
for ( int i=0; i<kNumberOfParameters; i++ ) {
if (mParameterHasChanged[i]) {
mEfx->SetParameter(i, Globals()->GetParameter(i));
mParameterHasChanged[i] = false;
if (i == kParam_alwaysDelayNote) {
// 遅延時間の変更をホストに通知
PropertyChanged(kAudioUnitProperty_Latency, kAudioUnitScope_Global, 0);
}
}
}
mEfx->SetSampleRate( GetOutput(0)->GetStreamFormat().mSampleRate );
mEfx->Render(inNumberFrames, output);
return result;
}
//==============================================================================
bool getCurrentPosition (AudioPlayHead::CurrentPositionInfo& info)
{
info.timeSigNumerator = 0;
info.timeSigDenominator = 0;
info.timeInSeconds = 0;
info.editOriginTime = 0;
info.ppqPositionOfLastBarStart = 0;
info.isPlaying = false;
info.isRecording = false;
switch (lastSMPTETime.mType)
{
case kSMPTETimeType24:
info.frameRate = AudioPlayHead::fps24;
break;
case kSMPTETimeType25:
info.frameRate = AudioPlayHead::fps25;
break;
case kSMPTETimeType30Drop:
info.frameRate = AudioPlayHead::fps30drop;
break;
case kSMPTETimeType30:
info.frameRate = AudioPlayHead::fps30;
break;
case kSMPTETimeType2997:
info.frameRate = AudioPlayHead::fps2997;
break;
case kSMPTETimeType2997Drop:
info.frameRate = AudioPlayHead::fps2997drop;
break;
//case kSMPTETimeType60:
//case kSMPTETimeType5994:
default:
info.frameRate = AudioPlayHead::fpsUnknown;
break;
}
if (CallHostBeatAndTempo (&info.ppqPosition, &info.bpm) != noErr)
{
info.ppqPosition = 0;
info.bpm = 0;
}
UInt32 outDeltaSampleOffsetToNextBeat;
double outCurrentMeasureDownBeat;
float num;
UInt32 den;
if (CallHostMusicalTimeLocation (&outDeltaSampleOffsetToNextBeat, &num, &den,
&outCurrentMeasureDownBeat) == noErr)
{
info.timeSigNumerator = (int) num;
info.timeSigDenominator = den;
info.ppqPositionOfLastBarStart = outCurrentMeasureDownBeat;
}
double outCurrentSampleInTimeLine, outCycleStartBeat, outCycleEndBeat;
Boolean playing, playchanged, looping;
if (CallHostTransportState (&playing,
&playchanged,
&outCurrentSampleInTimeLine,
&looping,
&outCycleStartBeat,
&outCycleEndBeat) == noErr)
{
info.isPlaying = playing;
info.timeInSeconds = outCurrentSampleInTimeLine / GetSampleRate();
}
return true;
}
