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115 lines
3.0 KiB
Python
115 lines
3.0 KiB
Python
FluidViewer {
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var categoryColors;
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createCatColors {
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categoryColors = "1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf".clump(6).collect{
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arg six;
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Color(*six.clump(2).collect{
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arg two;
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"0x%".format(two).interpret / 255;
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});
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};
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}
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}
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FluidWaveform : FluidViewer {
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*new {
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arg audio_buf, slices_buf, feature_buf, bounds, lineWidth = 1;
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^super.new.init(audio_buf,slices_buf, feature_buf, bounds, lineWidth);
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}
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init {
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arg audio_buf, slices_buf, feature_buf, bounds, lineWidth;
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Task{
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var path = "%%_%_FluidWaveform.wav".format(PathName.tmp,Date.localtime.stamp,UniqueID.next);
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var sfv, win, categoryCounter = 0;
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this.createCatColors;
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bounds = bounds ? Rect(0,0,800,200);
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win = Window("FluidWaveform",bounds);
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audio_buf.write(path,"wav");
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audio_buf.server.sync;
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sfv = SoundFileView(win,Rect(0,0,bounds.width,bounds.height));
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sfv.peakColor_(Color(*0.75.dup(3)));
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sfv.rmsColor_(Color.black);
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sfv.background_(Color.white);
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sfv.readFile(SoundFile(path));
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sfv.gridOn_(false);
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File.delete(path);
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if(slices_buf.notNil,{
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slices_buf.numChannels.switch(
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1,{
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slices_buf.loadToFloatArray(action:{
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arg slices_fa;
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UserView(win,Rect(0,0,bounds.width,bounds.height))
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.drawFunc_({
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Pen.width_(lineWidth);
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slices_fa.do{
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arg start_samp;
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var x = start_samp.linlin(0,audio_buf.numFrames,0,bounds.width);
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Pen.line(Point(x,0),Point(x,bounds.height));
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Pen.color_(categoryColors[categoryCounter]);
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Pen.stroke;
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};
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categoryCounter = categoryCounter + 1;
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});
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});
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},
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2,{
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slices_buf.loadToFloatArray(action:{
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arg slices_fa;
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slices_fa = slices_fa.clump(2);
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UserView(win,Rect(0,0,bounds.width,bounds.height))
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.drawFunc_({
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Pen.width_(lineWidth);
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slices_fa.do{
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arg arr;
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var start = arr[0].linlin(0,audio_buf.numFrames,0,bounds.width);
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var end = arr[1].linlin(0,audio_buf.numFrames,0,bounds.width);
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Pen.addRect(Rect(start,0,end-start,bounds.height));
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Pen.color_(categoryColors[categoryCounter].alpha_(0.25));
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Pen.fill;
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};
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categoryCounter = categoryCounter + 1;
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});
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});
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},{
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"FluidWaveform - indices_buf has neither 1 nor 2 channels. Not sure what to do with this.".warn;
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}
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);
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});
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if(feature_buf.notNil,{
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feature_buf.loadToFloatArray(action:{
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arg fa;
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fa = fa.clump(feature_buf.numChannels).flop;
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fa.do({
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arg channel;
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channel = channel.resamp1(bounds.width).linlin(channel.minItem,channel.maxItem,bounds.height,0);
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UserView(win,Rect(0,0,bounds.width,bounds.height))
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.drawFunc_({
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Pen.moveTo(Point(0,channel[0]));
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channel[1..].do{
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arg val, i;
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Pen.lineTo(Point(i+1,val));
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};
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Pen.color_(categoryColors[categoryCounter]);
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categoryCounter = categoryCounter + 1;
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Pen.stroke;
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});
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});
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})
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});
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win.front;
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}.play(AppClock);
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}
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}
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