Method processAudioBuffer

plugins/ReverbSC/ReverbSC.cpp:73–127

}

bool ReverbSCEffect::processAudioBuffer( sampleFrame* buf, const fpp_t frames )
{
	if( !isEnabled() || !isRunning () )
	{
		return( false );
	}

	double outSum = 0.0;
	const float d = dryLevel();
	const float w = wetLevel();

	SPFLOAT tmpL, tmpR;
	SPFLOAT dcblkL, dcblkR;
	
	ValueBuffer * inGainBuf = m_reverbSCControls.m_inputGainModel.valueBuffer();
	ValueBuffer * sizeBuf = m_reverbSCControls.m_sizeModel.valueBuffer();
	ValueBuffer * colorBuf = m_reverbSCControls.m_colorModel.valueBuffer();
	ValueBuffer * outGainBuf = m_reverbSCControls.m_outputGainModel.valueBuffer();

	for( fpp_t f = 0; f < frames; ++f )
	{
		sample_t s[2] = { buf[f][0], buf[f][1] };

		const SPFLOAT inGain = (SPFLOAT)DB2LIN((inGainBuf ? 
			inGainBuf->values()[f] 
			: m_reverbSCControls.m_inputGainModel.value()));
		const SPFLOAT outGain = (SPFLOAT)DB2LIN((outGainBuf ? 
			outGainBuf->values()[f] 
			: m_reverbSCControls.m_outputGainModel.value()));

		s[0] *= inGain;
		s[1] *= inGain;
		revsc->feedback = (SPFLOAT)(sizeBuf ? 
			sizeBuf->values()[f] 
			: m_reverbSCControls.m_sizeModel.value());

		revsc->lpfreq = (SPFLOAT)(colorBuf ? 
			colorBuf->values()[f] 
			: m_reverbSCControls.m_colorModel.value());


		sp_revsc_compute(sp, revsc, &s[0], &s[1], &tmpL, &tmpR);
		sp_dcblock_compute(sp, dcblk[0], &tmpL, &dcblkL);
		sp_dcblock_compute(sp, dcblk[1], &tmpR, &dcblkR);
		buf[f][0] = d * buf[f][0] + w * dcblkL * outGain;
		buf[f][1] = d * buf[f][1] + w * dcblkR * outGain;

		outSum += buf[f][0]*buf[f][0] + buf[f][1]*buf[f][1];
	}


	checkGate( outSum / frames );

	return isRunning();
}
	
void ReverbSCEffect::changeSampleRate()
{