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54 lines
1.2 KiB
JavaScript
54 lines
1.2 KiB
JavaScript
// simple audio test reading out harmonics
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// make sure jack is running and have a look at the connections
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// also check the values (samplesize and samplerate) to match your conf
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// -jrml
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//set_resolution(W,H);
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audio = new AudioJack("xine/out_1", 2048, 44100);
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img = new ImageLayer();
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img.open("../doc/ipernav.png");
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img.activate(true);
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img.set_fps();
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img.start();
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add_layer(img);
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vtg = new Filter("vertigo");
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img.add_filter(vtg);
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kbd = new KeyboardController();
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register_controller(kbd);
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kbd.released_q = function() { quit(); }
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kbd.released_r = function() {
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if(reset("freej_equalizer.js")) {
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rem_controller(this);
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echo("reset ok");
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}
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return true;
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}
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bang = new TriggerController();
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bang.frame = function() {
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audio.fft();
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flash = 0;
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phase = (((audio.get_harmonic(8)
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+ audio.get_harmonic(1) )
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/ 2 )
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* 3 ) / 128;
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if(phase<1) phase = 0;
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zoom = (((audio.get_harmonic(8)
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+ audio.get_harmonic(16) )
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/ 2 )
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* 3 ) / 64;
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zoom = (audio.get_harmonic(16)*3)/64;
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if(zoom<1) zoom = 1;
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vtg.set_parameter("PhaseIncrement", phase);
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vtg.set_parameter("ZoomRate", zoom);
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}
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register_controller(bang);
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