TTAudioGraphSig.h

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/** @file
 *
 * @ingroup audioGraphUtilityLib
 *
 * @brief sig≈: generate multichannel signal based on one input value
 *
 * @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/
 */


#ifndef __TT_SIG_H__
#define __TT_SIG_H__

#include "TTDSP.h"


/** The sig≈ object takes a single input message and converts it into a JAG signal */
class TTAudioGraphSig : public TTAudioObjectBase {
    TTCLASS_SETUP(TTAudioGraphSig)

protected:

    TTFloat64   mValue;
    
    /** A value passed in as a dictionary will set the value attribute
        If an array is passed in for the value in the dictionary, the first item in the array is used. */
    TTErr dictionary(TTValue& input, TTValue&);
    
    TTErr processAudio(TTAudioSignalArrayPtr inputs, TTAudioSignalArrayPtr outputs)
    {
        TTAudioSignal&      out         = outputs->getSignal(0);
        TTSampleValuePtr    outSample;
        TTChannelCount      numChannels = out.getNumChannelsAsInt();
        TTUInt16            vs          = out.getVectorSizeAsInt();
        TTUInt16            n;
        
        for (TTChannelCount channel=0; channel < numChannels; channel++) {
            outSample = out.mSampleVectors[channel];
            n = vs;
            while (n--)
                *outSample++ = mValue;
        }
        return kTTErrNone;
    }
    
};



#endif // __TT_SIG_H__