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74 lines
1.7 KiB
Plaintext
74 lines
1.7 KiB
Plaintext
(
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~normalize = {
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arg vals;
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var min = vals.minItem;
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var max = vals.maxItem;
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var range = max - min;
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"min: %".format(min).postln;
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"max: %".format(max).postln;
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"range: %".format(range).postln;
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vals = (vals - min) / range;
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vals = (vals * 255).asInteger;
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vals;
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};
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~dbs_range = {
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arg vals;
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vals.postln;
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vals = vals / vals.maxItem;
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vals.postln;
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vals = vals.ampdb;
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vals.postln;
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vals = vals.linlin(-120.0,0.0,0.0,255.0).asInteger;
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vals.postln;
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vals;
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};
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~raster = {
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arg rasterBuffer;
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var colors;
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colors = CSVFileReader.readInterpret(FluidFilesPath("../color-schemes/%.csv".format("CET-L16"))).collect{
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arg row;
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Color.fromArray(row);
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};
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rasterBuffer.loadToFloatArray(action:{
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arg vals;
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"n vals in raster buffer: %".format(vals.size).postln;
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fork({
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var img = Image(rasterBuffer.numFrames,rasterBuffer.numChannels);
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// vals = ~normalize.(vals);
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vals = ~dbs_range.(vals);
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vals.do{
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arg val, index;
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img.setColor(colors[val], index.div(rasterBuffer.numChannels), rasterBuffer.numChannels - 1 - index.mod(rasterBuffer.numChannels));
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};
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img.plot;
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},AppClock);
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});
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};
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)
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// show mels
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~drums = Buffer.read(s,FluidFilesPath("Nicol-LoopE-M.wav"));
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~rasterBuffer = Buffer(s);
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(
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fork({
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Window.closeAll;
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FluidBufMelBands.processBlocking(s,~drums,features:~rasterBuffer,windowSize:4096,hopSize:256,numBands:480,action:{"done".postln});
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// FluidBufSTFT.processBlocking(s,~drums,magnitude:~rasterBuffer,windowSize:1024,action:{"done".postln});
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// FluidBufMFCC.processBlocking(s,~drums,features:~rasterBuffer,windowSize:1024,action:{"done".postln});
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// FluidBufChroma.processBlocking(s,~drums,features:~rasterBuffer,action:{"done".postln});
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s.sync;
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~rasterBuffer.postln;
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~raster.(~rasterBuffer);
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},AppClock);
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)
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