PlugtasticOutput.cpp

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/** @file
 *
 * @ingroup audioGraphPlugtastic
 *
 * @brief Manage output signals from Plugtastic 
 *
 * @details
 *
 * @authors Timothy Place
 *
 * @copyright Copyright © 2010 by Timothy Place @n
 * This code is licensed under the terms of the "New BSD License" @n
 * http://creativecommons.org/licenses/BSD/
 */

#include "PlugtasticOutput.h"

#define thisTTClass         PlugtasticOutput
#define thisTTClassName     "plugtastic.output"
#define thisTTClassTags     "audio, output, plugtastic"


TT_AUDIO_CONSTRUCTOR
{
    registerAttribute(TT("linearGain"), kTypeFloat64,   &mGain);
    registerAttribute(TT("gain"),       kTypeFloat64,   NULL,   (TTGetterMethod)&PlugtasticOutput::getGain, (TTSetterMethod)&PlugtasticOutput::setGain);
    registerAttribute(TT("midiGain"),   kTypeFloat64,   NULL,   (TTGetterMethod)&PlugtasticOutput::getMidiGain, (TTSetterMethod)&PlugtasticOutput::setMidiGain);
    
    // Set Defaults...
    setAttributeValue(TT("linearGain"), 1.0);
    setProcessMethod(processAudio);
}


PlugtasticOutput::~PlugtasticOutput()
{
    ;
}


TTErr PlugtasticOutput::setGain(const TTValue& newValue)
{
    mGain = TTDecibelsToLinearGain(newValue);
    return kTTErrNone;
}


TTErr PlugtasticOutput::getGain(TTValue& value)
{
    value = TTLinearGainToDecibels(mGain);
    return kTTErrNone;
}


TTErr PlugtasticOutput::setMidiGain(const TTValue& newValue)
{
    mGain = TTMidiToLinearGain(newValue);
    return kTTErrNone;
}


TTErr PlugtasticOutput::getMidiGain(TTValue& value)
{
    value = TTLinearGainToMidi(mGain);
    return kTTErrNone;
}


TTErr PlugtasticOutput::processAudio(TTAudioSignalArrayPtr inputs, TTAudioSignalArrayPtr outputs)
{
    TTAudioSignal&  in = inputs->getSignal(0);
    TTAudioSignal&  out = outputs->getSignal(0);
    TTUInt16        vs;
    TTSampleValue   *inSample,
    *outSample;
    TTChannelCount  numchannels = TTAudioSignal::getMinChannelCount(in, out);
    TTChannelCount  channel;
    
    for (channel=0; channel<numchannels; channel++) {
        inSample = in.mSampleVectors[channel];
        outSample = out.mSampleVectors[channel];
        vs = in.getVectorSizeAsInt();
        
        while (vs--)
            *outSample++ = (*inSample++) * mGain;
    }
    return kTTErrNone;
}