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.out error handling
This commit is contained in:
Felix Roos
parent
4f460eeb32
commit
712a2ae018
@ -126,146 +126,150 @@ const splitSN = (s, n) => {
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Pattern.prototype.out = function () {
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return this.onTrigger(async (t, hap, ct) => {
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const ac = getAudioContext();
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// calculate correct time (tone.js workaround)
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t = ac.currentTime + t - ct;
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// destructure value
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let {
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freq,
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s,
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sf,
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clip = 0, // if 1, samples will be cut off when the hap ends
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n = 0,
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note,
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gain = 1,
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cutoff,
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resonance = 1,
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hcutoff,
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hresonance = 1,
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bandf,
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bandq = 1,
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pan,
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attack = 0.001,
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decay = 0.05,
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sustain = 0.5,
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release = 0.001,
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speed = 1, // sample playback speed
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begin = 0,
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end = 1,
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} = hap.value;
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const { velocity = 1 } = hap.context;
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gain *= velocity; // legacy fix for velocity
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// the chain will hold all audio nodes that connect to each other
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const chain = [];
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if (typeof s === 'string') {
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[s, n] = splitSN(s, n);
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}
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if (typeof note === 'string') {
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[note, n] = splitSN(note, n);
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}
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if (!s || ['sine', 'square', 'triangle', 'sawtooth'].includes(s)) {
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// with synths, n and note are the same thing
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n = note || n;
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if (typeof n === 'string') {
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n = toMidi(n); // e.g. c3 => 48
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try {
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const ac = getAudioContext();
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// calculate correct time (tone.js workaround)
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t = ac.currentTime + t - ct;
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// destructure value
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let {
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freq,
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s,
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sf,
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clip = 0, // if 1, samples will be cut off when the hap ends
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n = 0,
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note,
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gain = 1,
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cutoff,
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resonance = 1,
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hcutoff,
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hresonance = 1,
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bandf,
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bandq = 1,
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pan,
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attack = 0.001,
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decay = 0.05,
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sustain = 0.5,
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release = 0.001,
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speed = 1, // sample playback speed
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begin = 0,
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end = 1,
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} = hap.value;
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const { velocity = 1 } = hap.context;
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gain *= velocity; // legacy fix for velocity
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// the chain will hold all audio nodes that connect to each other
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const chain = [];
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if (typeof s === 'string') {
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[s, n] = splitSN(s, n);
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}
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// get frequency
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if (!freq && typeof n === 'number') {
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freq = fromMidi(n); // + 48);
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if (typeof note === 'string') {
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[note, n] = splitSN(note, n);
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}
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// make oscillator
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const o = getOscillator({ t, s, freq, duration: hap.duration, release });
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chain.push(o);
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// level down oscillators as they are really loud compared to samples i've tested
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const g = ac.createGain();
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g.gain.value = 0.3;
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chain.push(g);
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// TODO: make adsr work with samples without pops
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// envelope
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const adsr = getADSR(attack, decay, sustain, release, 1, t, t + hap.duration);
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chain.push(adsr);
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} else {
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// load sample
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if (speed === 0) {
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// no playback
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return;
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}
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if (!s) {
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console.warn('no sample specified');
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return;
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}
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const soundfont = getSoundfontKey(s);
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let bufferSource;
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try {
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if (soundfont) {
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// is soundfont
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bufferSource = await globalThis.getFontBufferSource(soundfont, note || n, ac);
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} else {
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// is sample from loaded samples(..)
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bufferSource = await getSampleBufferSource(s, n, note);
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if (!s || ['sine', 'square', 'triangle', 'sawtooth'].includes(s)) {
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// with synths, n and note are the same thing
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n = note || n;
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if (typeof n === 'string') {
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n = toMidi(n); // e.g. c3 => 48
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}
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} catch (err) {
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console.warn(err);
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return;
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}
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// asny stuff above took too long?
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if (ac.currentTime > t) {
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console.warn('sample still loading:', s, n);
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return;
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}
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if (!bufferSource) {
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console.warn('no buffer source');
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return;
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}
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bufferSource.playbackRate.value = Math.abs(speed) * bufferSource.playbackRate.value;
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// TODO: nudge, unit, cut, loop
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let duration = soundfont || clip ? hap.duration : bufferSource.buffer.duration;
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// let duration = bufferSource.buffer.duration;
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const offset = begin * duration;
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duration = ((end - begin) * duration) / Math.abs(speed);
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if (soundfont || clip) {
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bufferSource.start(t, offset); // duration does not work here for some reason
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// get frequency
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if (!freq && typeof n === 'number') {
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freq = fromMidi(n); // + 48);
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}
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// make oscillator
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const o = getOscillator({ t, s, freq, duration: hap.duration, release });
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chain.push(o);
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// level down oscillators as they are really loud compared to samples i've tested
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const g = ac.createGain();
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g.gain.value = 0.3;
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chain.push(g);
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// TODO: make adsr work with samples without pops
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// envelope
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const adsr = getADSR(attack, decay, sustain, release, 1, t, t + hap.duration);
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chain.push(adsr);
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} else {
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bufferSource.start(t, offset, duration);
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}
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chain.push(bufferSource);
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if (soundfont || clip) {
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const env = ac.createGain();
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const releaseLength = 0.1;
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env.gain.value = 0.6;
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env.gain.setValueAtTime(env.gain.value, t + duration);
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env.gain.linearRampToValueAtTime(0, t + duration + releaseLength);
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// env.gain.linearRampToValueAtTime(0, t + duration + releaseLength);
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chain.push(env);
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bufferSource.stop(t + duration + releaseLength);
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} else {
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bufferSource.stop(t + duration);
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}
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}
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// master out
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const master = ac.createGain();
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master.gain.value = gain;
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chain.push(master);
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// load sample
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if (speed === 0) {
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// no playback
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return;
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}
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if (!s) {
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console.warn('no sample specified');
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return;
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}
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const soundfont = getSoundfontKey(s);
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let bufferSource;
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// filters
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cutoff !== undefined && chain.push(getFilter('lowpass', cutoff, resonance));
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hcutoff !== undefined && chain.push(getFilter('highpass', hcutoff, hresonance));
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bandf !== undefined && chain.push(getFilter('bandpass', bandf, bandq));
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// TODO vowel
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// TODO delay / delaytime / delayfeedback
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// panning
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if (pan !== undefined) {
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const panner = ac.createStereoPanner();
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panner.pan.value = 2 * pan - 1;
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chain.push(panner);
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}
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// master out
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/* const master = ac.createGain();
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try {
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if (soundfont) {
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// is soundfont
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bufferSource = await globalThis.getFontBufferSource(soundfont, note || n, ac);
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} else {
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// is sample from loaded samples(..)
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bufferSource = await getSampleBufferSource(s, n, note);
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}
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} catch (err) {
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console.warn(err);
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return;
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}
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// asny stuff above took too long?
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if (ac.currentTime > t) {
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console.warn('sample still loading:', s, n);
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return;
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}
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if (!bufferSource) {
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console.warn('no buffer source');
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return;
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}
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bufferSource.playbackRate.value = Math.abs(speed) * bufferSource.playbackRate.value;
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// TODO: nudge, unit, cut, loop
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let duration = soundfont || clip ? hap.duration : bufferSource.buffer.duration;
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// let duration = bufferSource.buffer.duration;
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const offset = begin * duration;
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duration = ((end - begin) * duration) / Math.abs(speed);
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if (soundfont || clip) {
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bufferSource.start(t, offset); // duration does not work here for some reason
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} else {
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bufferSource.start(t, offset, duration);
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}
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chain.push(bufferSource);
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if (soundfont || clip) {
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const env = ac.createGain();
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const releaseLength = 0.1;
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env.gain.value = 0.6;
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env.gain.setValueAtTime(env.gain.value, t + duration);
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env.gain.linearRampToValueAtTime(0, t + duration + releaseLength);
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// env.gain.linearRampToValueAtTime(0, t + duration + releaseLength);
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chain.push(env);
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bufferSource.stop(t + duration + releaseLength);
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} else {
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bufferSource.stop(t + duration);
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}
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}
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// master out
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const master = ac.createGain();
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master.gain.value = gain;
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chain.push(master);
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// filters
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cutoff !== undefined && chain.push(getFilter('lowpass', cutoff, resonance));
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hcutoff !== undefined && chain.push(getFilter('highpass', hcutoff, hresonance));
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bandf !== undefined && chain.push(getFilter('bandpass', bandf, bandq));
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// TODO vowel
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// TODO delay / delaytime / delayfeedback
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// panning
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if (pan !== undefined) {
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const panner = ac.createStereoPanner();
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panner.pan.value = 2 * pan - 1;
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chain.push(panner);
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}
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// master out
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/* const master = ac.createGain();
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master.gain.value = 0.8 * gain;
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chain.push(master); */
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chain.push(ac.destination);
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// connect chain elements together
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chain.slice(1).reduce((last, current) => last.connect(current), chain[0]);
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chain.push(ac.destination);
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// connect chain elements together
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chain.slice(1).reduce((last, current) => last.connect(current), chain[0]);
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} catch (e) {
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console.warn('.out error:', e);
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}
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});
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};
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