TTCount.cpp

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/** @file
 *
 * @ingroup dspGeneratorLib
 *
 * @brief GeneratorLib: Count the number of processd samples, starting from zero.
 *
 * @details
 *
 * @authors Trond Lossius
 *
 * @copyright Copyright © 2012 by Trond Lossius @n
 * This code is licensed under the terms of the "New BSD License" @n
 * http://creativecommons.org/licenses/BSD/
 */

#include "TTCount.h"

#define thisTTClass TTCount
#define thisTTClassName     "count"
#define thisTTClassTags     "dspGeneratorLib, audio, generator"


TT_AUDIO_CONSTRUCTOR
{
    addMessage(reset);
    setProcessMethod(processAudio);
    reset();
}


TTCount::~TTCount()
{
    ;
}


TTErr TTCount::reset()
{
    count = 0.;
    return kTTErrNone;
}


TTErr TTCount::processAudio(TTAudioSignalArrayPtr inputs, TTAudioSignalArrayPtr outputs)
{
    TTAudioSignal&  out = outputs->getSignal(0);
    TTSampleValue   *outSample;
    TTChannelCount  numchannels = out.getNumChannelsAsInt();
    TTChannelCount  channel;
    TTUInt16        vs;
    TTFloat64       thisVectorCount;

    for (channel=0; channel<numchannels; channel++) {
        vs = out.getVectorSizeAsInt();
        outSample = out.mSampleVectors[channel];
        thisVectorCount = count;
        while (vs--) {
            *outSample++ = thisVectorCount;
            thisVectorCount += 1.;
        }
    }

    count = thisVectorCount;
    return kTTErrNone;
}