FluidBufMFCC : FluidBufProcessor{
    *kr  { |source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, features, numCoeffs = 13, numBands = 40, minFreq = 20, maxFreq = 20000, windowSize = 1024, hopSize = -1, fftSize = -1, trig = 1, blocking = 0| 
        
        var maxFFTSize = if (fftSize == -1) {windowSize.nextPowerOfTwo} {fftSize};
        source = source.asUGenInput;
        features = features.asUGenInput;

        source.isNil.if {"FluidBufMFCC:  Invalid source buffer".throw};
        features.isNil.if {"FluidBufMFCC:  Invalid features buffer".throw};
        
        ^FluidProxyUgen.kr(\FluidBufMFCCTrigger, -1, source, startFrame, numFrames, startChan, numChans, features, numCoeffs, numBands, minFreq, maxFreq,numCoeffs, windowSize, hopSize, fftSize, maxFFTSize,trig, blocking);
    }

    *process { |server, source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, features, numCoeffs = 13, numBands = 40, minFreq = 20, maxFreq = 20000, windowSize = 1024, hopSize = -1, fftSize = -1,freeWhenDone=true, action |
        
        var maxFFTSize = if (fftSize == -1) {windowSize.nextPowerOfTwo} {fftSize};
        source = source.asUGenInput;
        features = features.asUGenInput;

        source.isNil.if {"FluidBufMFCC:  Invalid source buffer".throw};
        features.isNil.if {"FluidBufMFCC:  Invalid features buffer".throw};
            
		^this.new(
			server, nil,[features]
		).processList(
			 [source, startFrame, numFrames, startChan, numChans, features, numCoeffs, numBands, minFreq, maxFreq, numCoeffs,windowSize, hopSize, fftSize,maxFFTSize,0],freeWhenDone,action
		);
    }

    *processBlocking { |server, source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, features, numCoeffs = 13, numBands = 40, minFreq = 20, maxFreq = 20000, windowSize = 1024, hopSize = -1, fftSize = -1,freeWhenDone=true, action |
        
        var maxFFTSize = if (fftSize == -1) {windowSize.nextPowerOfTwo} {fftSize};
        source = source.asUGenInput;
        features = features.asUGenInput;

        source.isNil.if {"FluidBufMFCC:  Invalid source buffer".throw};
        features.isNil.if {"FluidBufMFCC:  Invalid features buffer".throw};
            
		^this.new(
			server, nil,[features]
		).processList(
			 [source, startFrame, numFrames, startChan, numChans, features, numCoeffs, numBands, minFreq, maxFreq,numCoeffs, windowSize, hopSize, fftSize,maxFFTSize,1],freeWhenDone,action
		);
    }
}
FluidBufMFCCTrigger : FluidProxyUgen {}