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3.0 KiB
Python

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