// ----------------------------------------------------------
void ofxAudioUnitTap::getLeftWaveform(ofPolyline &outLine, float w, float h, unsigned sampleRate)
// ----------------------------------------------------------
{
	getSamples(_tempBuffer, 0);
	WaveformForBuffer(_tempBuffer, w, h, outLine, sampleRate);
}
void ofxAudioUnitTap::getWaveform(ofPolyline &l, float w, float h, unsigned chan, unsigned rate) {
	getSamples(_tempBuffer, chan);
	WaveformForBuffer(&_tempBuffer[0], _tempBuffer.size(), w, h, l, rate);
}