add Chroma feature

release-packaging/Classes/FluidBufChroma.sc

@@ -0,0 +1,49 @@
+FluidBufChroma : FluidBufProcessor {
+    *kr  { |source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, features,  numChroma = 12, ref = 440, normalize = 0, minFreq = 0, maxFreq = -1, windowSize = 1024, hopSize = -1, fftSize = -1, padding = 1, trig = 1, blocking = 0|
+
+        var maxFFTSize = if (fftSize == -1) {windowSize.nextPowerOfTwo} {fftSize};
+
+        source = source.asUGenInput;
+        features = features.asUGenInput;
+
+        source.isNil.if {"FluidBufChroma:  Invalid source buffer".throw};
+        features.isNil.if {"FluidBufChroma:  Invalid features buffer".throw};
+
+		^FluidProxyUgen.kr(\FluidBufChromaTrigger,-1, source, startFrame, numFrames, startChan, numChans, features, padding, numChroma, ref, normalize, minFreq, maxFreq, numChroma, windowSize, hopSize, fftSize, maxFFTSize, trig, blocking);
+	}
+
+    *process { |server, source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, features,  numChroma = 12, ref = 440, normalize = 0, minFreq = 0, maxFreq = -1, windowSize = 1024, hopSize = -1, fftSize = -1, padding = 1, freeWhenDone = true, action|
+
+        var maxFFTSize = if (fftSize == -1) {windowSize.nextPowerOfTwo} {fftSize};
+
+        source = source.asUGenInput;
+        features = features.asUGenInput;
+
+        source.isNil.if {"FluidBufChroma:  Invalid source buffer".throw};
+        features.isNil.if {"FluidBufChroma:  Invalid features buffer".throw};
+
+		^this.new(
+			server, nil, [features]
+		).processList(
+			[source, startFrame, numFrames, startChan, numChans, features, padding, numChroma, ref, normalize, minFreq, maxFreq, numChroma, windowSize, hopSize, fftSize, maxFFTSize, 0],freeWhenDone,action
+        );
+	}
+
+    *processBlocking { |server, source, startFrame = 0, numFrames = -1, startChan = 0, numChans = -1, features,  numChroma = 12, ref = 440, normalize = 0, minFreq = 0, maxFreq = -1, windowSize = 1024, hopSize = -1, fftSize = -1, padding = 1, freeWhenDone = true, action|
+
+        var maxFFTSize = if (fftSize == -1) {windowSize.nextPowerOfTwo} {fftSize};
+
+        source = source.asUGenInput;
+        features = features.asUGenInput;
+
+        source.isNil.if {"FluidBufChroma:  Invalid source buffer".throw};
+        features.isNil.if {"FluidBufChroma:  Invalid features buffer".throw};
+
+		^this.new(
+			server, nil, [features]
+		).processList(
+			[source, startFrame, numFrames, startChan, numChans, features, padding, numChroma, ref, normalize, minFreq, maxFreq, numChroma, windowSize, hopSize, fftSize, maxFFTSize, 1],freeWhenDone,action
+        );
+	}
+}
+FluidBufChromaTrigger : FluidProxyUgen {}

release-packaging/Classes/FluidChroma.sc

@@ -0,0 +1,20 @@
+FluidChroma : FluidRTMultiOutUGen {
+
+	*kr { arg in = 0, numChroma = 12, ref = 440, normalize = 0, minFreq = 0, maxFreq = -1, maxNumChroma = 120, windowSize = 1024, hopSize = -1, fftSize = -1, maxFFTSize = 16384;
+		^this.multiNew('control', in.asAudioRateInput(this), numChroma, ref, normalize, minFreq, maxFreq, maxNumChroma, windowSize, hopSize, fftSize, maxFFTSize);
+	}
+
+	init {arg ...theInputs;
+		inputs = theInputs;
+		^this.initOutputs(inputs.at(6),rate);
+	}
+
+	checkInputs {
+		if(inputs.at(6).rate != 'scalar') {
+			^(": maxNumChroma cannot be modulated.");
+		};
+		if(inputs.at(10).rate != 'scalar') {
+			^(": maxFFTSize cannot be modulated.");
+		};^this.checkValidInputs;
+	}
+}