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52 lines
2.4 KiB
Python
52 lines
2.4 KiB
Python
FluidBufMFCC : UGen{
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var <>server, <>synth;
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*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, doneAction = 0|
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var maxFFTSize = if (fftSize == -1) {windowSize.nextPowerOfTwo} {fftSize};
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source = source.asUGenInput;
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features = features.asUGenInput;
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source.isNil.if {"FluidBufMFCC: Invalid source buffer".throw};
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features.isNil.if {"FluidBufMFCC: Invalid features buffer".throw};
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//NB For wrapped versions of NRT classes, we set the params for maxima to
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//whatever has been passed in language-side (e.g maxFFTSize still exists as a parameter for the server plugin, but makes less sense here: it just needs to be set to a legal value)
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// same goes to maxNumCoeffs, which is passed numCoeffs in this case
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^this.multiNew(\control, source, startFrame, numFrames, startChan, numChans, features, numCoeffs, numBands, minFreq, maxFreq, numCoeffs, windowSize, hopSize, fftSize, maxFFTSize, doneAction);
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}
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*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, action|
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var synth, instance;
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source = source.asUGenInput;
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features = features.asUGenInput;
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source.isNil.if {"FluidBufMFCC: Invalid source buffer".throw};
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features.isNil.if {"FluidBufMFCC: Invalid features buffer".throw};
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server = server ? Server.default;
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server.ifNotRunning({
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"WARNING: Server not running".postln;
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^nil;
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});
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synth = { instance = FluidBufMFCC.kr(source, startFrame, numFrames, startChan, numChans, features, numCoeffs, numBands, minFreq, maxFreq, windowSize, hopSize, fftSize, doneAction:Done.freeSelf)}.play(server);
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forkIfNeeded{
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synth.waitForFree;
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server.sync;
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features = server.cachedBufferAt(features); features.updateInfo; server.sync;
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action.value(features);
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};
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instance.synth = synth;
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instance.server = server;
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^instance;
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}
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cancel{
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if(this.server.notNil)
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{this.server.sendMsg("/u_cmd", this.synth.nodeID, this.synthIndex, "cancel")};
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}
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}
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