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Merge pull request #3 from yydounai1234/dev
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release/v0.1.1
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@yydounai1234
yydounai1234 authored Dec 5, 2022
2 parents f782f88 + e97274c commit 7caca5e
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Showing 4 changed files with 165 additions and 107 deletions.
209 changes: 127 additions & 82 deletions dist/Yami.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
var U = Object.defineProperty;
var x = (a, t, e) => t in a ? U(a, t, { enumerable: !0, configurable: !0, writable: !0, value: e }) : a[t] = e;
var r = (a, t, e) => (x(a, typeof t != "symbol" ? t + "" : t, e), e);
class N {
var x = Object.defineProperty;
var D = (a, t, e) => t in a ? x(a, t, { enumerable: !0, configurable: !0, writable: !0, value: e }) : a[t] = e;
var r = (a, t, e) => (D(a, typeof t != "symbol" ? t + "" : t, e), e);
class U {
constructor() {
r(this, "_rate", 1);
r(this, "slopeCount", 0);
Expand All @@ -20,24 +20,24 @@ class N {
}
process(t) {
const e = t.length / 2, s = t, i = new Float32Array(~~(t.length / this.rate));
let o = 0, n = 0;
let n = 0, o = 0;
for (; this.slopeCount < 1; )
i[2 * n] = (1 - this.slopeCount) * this.prevSampleL + this.slopeCount * s[0], i[2 * n + 1] = (1 - this.slopeCount) * this.prevSampleR + this.slopeCount * s[1], n = n + 1, this.slopeCount += this.rate;
i[2 * o] = (1 - this.slopeCount) * this.prevSampleL + this.slopeCount * s[0], i[2 * o + 1] = (1 - this.slopeCount) * this.prevSampleR + this.slopeCount * s[1], o = o + 1, this.slopeCount += this.rate;
if (this.slopeCount -= 1, e !== 1) {
t:
for (; ; ) {
for (; this.slopeCount > 1; )
if (this.slopeCount -= 1, o = o + 1, o >= e - 1)
if (this.slopeCount -= 1, n = n + 1, n >= e - 1)
break t;
const h = 2 * o;
i[2 * n] = (1 - this.slopeCount) * s[h] + this.slopeCount * s[h + 2], i[2 * n + 1] = (1 - this.slopeCount) * s[h + 1] + this.slopeCount * s[h + 3], n = n + 1, this.slopeCount += this.rate;
const h = 2 * n;
i[2 * o] = (1 - this.slopeCount) * s[h] + this.slopeCount * s[h + 2], i[2 * o + 1] = (1 - this.slopeCount) * s[h + 1] + this.slopeCount * s[h + 3], o = o + 1, this.slopeCount += this.rate;
}
}
return this.prevSampleL = s[2 * e - 2], this.prevSampleR = s[2 * e - 1], i;
}
}
const g = (a, t) => (a > t ? a - t : t - a) > 1e-10, B = (a, t, e) => a < t ? t : a > e ? e : a;
class l {
const B = (a, t) => (a > t ? a - t : t - a) > 1e-10, N = (a, t, e) => a < t ? t : a > e ? e : a;
class c {
constructor() {
r(this, "_vector", new Float32Array());
r(this, "_position", 0);
Expand Down Expand Up @@ -68,12 +68,12 @@ class l {
e = e || 0;
const i = e * 2;
s >= 0 || (s = (t.length - i) / 2);
const o = s * 2;
const n = s * 2;
this.ensureCapacity(s + this._frameCount);
const n = this.endIndex;
const o = this.endIndex;
this.vector.set(
t.subarray(i, i + o),
n
t.subarray(i, i + n),
o
), this._frameCount += s;
}
putBuffer(t, e, s = 0) {
Expand Down Expand Up @@ -101,7 +101,7 @@ class l {
this._position > 0 && (this._vector.set(this._vector.subarray(this.startIndex, this.endIndex)), this._position = 0);
}
}
const I = 0, E = I, P = 0, A = P, L = 8, d = 0.5, T = 2, m = 125, k = 50, M = (k - m) / (T - d), F = m - M * d, v = 25, R = 15, y = (R - v) / (T - d), b = v - y * d, w = [
const P = 0, E = P, I = 0, A = I, L = 8, m = 0.5, O = 2, S = 125, k = 50, R = (k - S) / (O - m), F = S - R * m, C = 25, M = 15, y = (M - C) / (O - m), b = C - y * m, w = [
[
124,
186,
Expand Down Expand Up @@ -181,8 +181,8 @@ const I = 0, E = I, P = 0, A = P, L = 8, d = 0.5, T = 2, m = 125, k = 50, M = (k
0
],
[-4, -3, -2, -1, 1, 2, 3, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
], D = 16384;
class q {
], q = 16384;
class W {
constructor() {
r(this, "_tempo", 1);
r(this, "autoSeqSetting", !0);
Expand All @@ -199,8 +199,8 @@ class q {
r(this, "sampleReq", 0);
r(this, "nominalSkip", 0);
r(this, "skipFract", 0);
r(this, "inputBuffer", new l());
r(this, "outputBuffer", new l());
r(this, "inputBuffer", new c());
r(this, "outputBuffer", new c());
this.setParameters(
44100,
E,
Expand All @@ -213,15 +213,15 @@ class q {
}
calculateSequenceParameters() {
if (this.autoSeqSetting) {
let t = F + M * this._tempo;
t = B(t, k, m), this.sequenceMs = Math.floor(t + 0.5);
let t = F + R * this._tempo;
t = N(t, k, S), this.sequenceMs = Math.floor(t + 0.5);
}
if (this.autoSeekSetting) {
let t = b + y * this._tempo;
t = B(
t = N(
t,
R,
v
M,
C
), this.seekWindowMs = Math.floor(t + 0.5);
}
this.seekWindowLength = Math.floor(
Expand All @@ -243,14 +243,14 @@ class q {
seekBestOverlapPosition() {
this.preCalculateCorrelationReferenceStereo();
let t = Number.MIN_VALUE, e = 0, s = 0, i = 0;
for (let o = 0; o < 4; o = o + 1) {
let n = 0;
for (; w[o][n] && (i = s + w[o][n], !(i >= this.seekLength)); ) {
for (let n = 0; n < 4; n = n + 1) {
let o = 0;
for (; w[n][o] && (i = s + w[n][o], !(i >= this.seekLength)); ) {
let h = this.calculateCrossCorrelationStereo(
2 * i,
this.refMidBuffer
);
h > t && (t = h, e = i), n = n + 1;
h > t && (t = h, e = i), o = o + 1;
}
s = e;
}
Expand All @@ -266,25 +266,25 @@ class q {
const s = this.inputBuffer.vector;
t += this.inputBuffer.startIndex;
let i = 0;
const o = 2 * this.overlapLength;
for (let n = 2; n < o; n = n + 2) {
let h = n + t;
i += s[h] * e[n] + s[h + 1] * e[n + 1];
const n = 2 * this.overlapLength;
for (let o = 2; o < n; o = o + 2) {
let h = o + t;
i += s[h] * e[o] + s[h + 1] * e[o + 1];
}
return i;
}
overlap(t) {
let e = 2 * t;
const s = this.inputBuffer.vector;
e += this.inputBuffer.startIndex;
const i = this.outputBuffer.vector, o = this.outputBuffer.endIndex, n = 1 / this.overlapLength;
const i = this.outputBuffer.vector, n = this.outputBuffer.endIndex, o = 1 / this.overlapLength;
for (let h = 0; h < this.overlapLength; h = h + 1) {
let c = (this.overlapLength - h) * n, u = h * n, f = 2 * h, _ = f + e, C = f + o;
i[C + 0] = s[_ + 0] * u + this.midBuffer[f + 0] * c, i[C + 1] = s[_ + 1] * u + this.midBuffer[f + 1] * c;
let l = (this.overlapLength - h) * o, f = h * o, u = 2 * h, _ = u + e, T = u + n;
i[T + 0] = s[_ + 0] * f + this.midBuffer[u + 0] * l, i[T + 1] = s[_ + 1] * f + this.midBuffer[u + 1] * l;
}
}
process(t) {
for (this.outputBuffer = new l(), this.inputBuffer.putSamples(t, 0, -1); this.inputBuffer.frameCount >= this.sampleReq; ) {
for (this.outputBuffer = new c(), this.inputBuffer.putSamples(t, 0, -1); this.inputBuffer.frameCount >= this.sampleReq; ) {
const e = this.seekBestOverlapPosition();
this.outputBuffer.ensureAdditionalCapacity(this.overlapLength), this.overlap(Math.floor(e)), this.outputBuffer.put(this.overlapLength);
let s = this.seekWindowLength - 2 * this.overlapLength;
Expand All @@ -297,21 +297,21 @@ class q {
this.midBuffer.set(
this.inputBuffer.vector.subarray(i, i + 2 * this.overlapLength)
), this.skipFract += this.nominalSkip;
const o = ~~this.skipFract;
this.skipFract -= o, this.inputBuffer.receive(o);
const n = ~~this.skipFract;
this.skipFract -= n, this.inputBuffer.receive(n);
}
return this.outputBuffer.vector;
}
}
class W {
class K {
constructor() {
r(this, "_rate", 0);
r(this, "_tempo", 0);
r(this, "virtualPitch", 1);
r(this, "virtualRate", 1);
r(this, "virtualTempo", 1);
r(this, "transposer", new N());
r(this, "stretch", new q());
r(this, "transposer", new U());
r(this, "stretch", new W());
this.calculateEffectiveRateAndTempo();
}
get rate() {
Expand Down Expand Up @@ -343,7 +343,7 @@ class W {
}
calculateEffectiveRateAndTempo() {
const t = this._tempo, e = this._rate;
this._tempo = this.virtualTempo / this.virtualPitch, this._rate = this.virtualRate * this.virtualPitch, g(this._tempo, t) && (this.stretch.tempo = this._tempo), g(this._rate, e) && (this.transposer.rate = this._rate);
this._tempo = this.virtualTempo / this.virtualPitch, this._rate = this.virtualRate * this.virtualPitch, B(this._tempo, t) && (this.stretch.tempo = this._tempo), B(this._rate, e) && (this.transposer.rate = this._rate);
}
process(t) {
if (this.rate > 1) {
Expand All @@ -355,88 +355,133 @@ class W {
}
}
}
var p = /* @__PURE__ */ ((a) => (a.URL = "URL", a.BUFFER = "BUFFER", a.MICROPHONE = "MICROPHONE", a))(p || {});
const K = D, Q = (a) => a instanceof AudioBufferSourceNode, O = (a) => a instanceof AudioBuffer;
class S {
var d = /* @__PURE__ */ ((a) => (a.URL = "URL", a.BUFFER = "BUFFER", a.MICROPHONE = "MICROPHONE", a))(d || {});
const Q = q, p = (a) => a instanceof AudioBufferSourceNode, g = (a) => a instanceof AudioBuffer;
class v {
constructor(t, e, s) {
r(this, "bufferSize", K);
r(this, "sourceDuration", {
startTime: 0,
pauseTime: 0,
lastPauseTime: 0,
offsetTime: 0
});
r(this, "bufferSize", Q);
r(this, "sourceNode");
r(this, "scriptNode");
r(this, "soundTouch", new W());
r(this, "processBuffer", new l());
this.source = t, this.audioContext = e, this.type = s, O(this.source) ? (this.sourceNode = this.audioContext.createBufferSource(), this.sourceNode.buffer = this.source) : this.sourceNode = this.audioContext.createMediaStreamSource(this.source), this.scriptNode = this.audioContext.createScriptProcessor(
r(this, "soundTouch", new K());
r(this, "processBuffer", new c());
r(this, "gainNode");
this.source = t, this.audioContext = e, this.type = s, this.init();
}
init() {
g(this.source) ? (this.sourceNode = this.audioContext.createBufferSource(), this.sourceNode.buffer = this.source, this.sourceNode.addEventListener("ended", () => {
this.release();
})) : this.sourceNode = this.audioContext.createMediaStreamSource(this.source), this.scriptNode = this.audioContext.createScriptProcessor(
this.bufferSize,
2,
2
), this.sourceNode.connect(this.scriptNode), this.scriptNode.connect(this.audioContext.destination);
), this.sourceNode.connect(this.scriptNode), this.gainNode = this.audioContext.createGain(), this.scriptNode.connect(this.gainNode), this.gainNode.connect(this.audioContext.destination);
}
get pitch() {
return this.soundTouch.pitch;
}
set pitch(t) {
this.soundTouch.pitch = t;
}
get pitch() {
return this.soundTouch.pitch;
get volume() {
return this.gainNode ? this.gainNode.gain.value : -1;
}
set volume(t) {
this.gainNode && (this.gainNode.gain.value = t);
}
get duration() {
return g(this.source) ? this.source.duration : -1;
}
async play() {
let t = !1;
this.scriptNode.onaudioprocess = async (e) => {
const s = e.outputBuffer, i = e.inputBuffer, o = new Float32Array(this.bufferSize * 2), n = i.getChannelData(0), h = i.numberOfChannels > 1 ? i.getChannelData(1) : i.getChannelData(0);
get currentTime() {
let t = this.audioContext.currentTime;
return this.sourceDuration.lastPauseTime && (t = this.sourceDuration.lastPauseTime), this.sourceDuration.offsetTime + t - this.sourceDuration.startTime - this.sourceDuration.pauseTime;
}
async play(t = 0) {
let e = !1;
this.scriptNode && (this.scriptNode.onaudioprocess = async (s) => {
const i = s.outputBuffer, n = s.inputBuffer, o = new Float32Array(this.bufferSize * 2), h = n.getChannelData(0), l = n.numberOfChannels > 1 ? n.getChannelData(1) : n.getChannelData(0);
for (let u = 0; u < o.length; u++)
o[u * 2] = n[u], o[u * 2 + 1] = h[u];
const c = this.soundTouch.process(o);
if (this.processBuffer.putSamples(c, 0, -1), t) {
o[u * 2] = h[u], o[u * 2 + 1] = l[u];
const f = this.soundTouch.process(o);
if (this.processBuffer.putSamples(f, 0, -1), e) {
this.processBuffer.receiveSamples(o, this.bufferSize);
for (let u = 0; u < o.length; u++)
s.getChannelData(0)[u] = o[u * 2], s.getChannelData(1)[u] = o[u * 2 + 1];
i.getChannelData(0)[u] = o[u * 2], i.getChannelData(1)[u] = o[u * 2 + 1];
} else
this.processBuffer.frameCount >= this.bufferSize * 2 && (t = !0);
}, Q(this.sourceNode) && this.sourceNode.start();
this.processBuffer.frameCount >= this.bufferSize * 2 && (e = !0);
}), this.sourceNode && p(this.sourceNode) && (this.sourceDuration.startTime = this.audioContext.currentTime, this.sourceDuration.offsetTime = t, this.sourceNode.start(0, t));
}
resume() {
this.sourceNode && p(this.sourceNode) && (this.sourceNode.playbackRate.value = 1, this.sourceDuration.pauseTime += this.audioContext.currentTime - this.sourceDuration.lastPauseTime, this.sourceDuration.lastPauseTime = 0);
}
pause() {
this.sourceNode && p(this.sourceNode) && (this.sourceNode.playbackRate.value = Number.MIN_VALUE, this.sourceDuration.lastPauseTime || (this.sourceDuration.lastPauseTime = this.audioContext.currentTime));
}
seek(t) {
this.release(), this.init(), this.play(t);
}
process() {
if (O(this.source)) {
if (g(this.source)) {
const t = new Float32Array(this.source.length * 2), e = this.source.getChannelData(0), s = this.source.numberOfChannels > 1 ? this.source.getChannelData(1) : this.source.getChannelData(0);
for (let i = 0; i < t.length; i++)
t[i * 2] = e[i], t[i * 2 + 1] = s[i];
return this.soundTouch.process(t);
} else
return new Float32Array();
}
}
class H {
constructor() {
r(this, "audioContext", new AudioContext());
release() {
this.sourceNode && (this.gainNode && this.gainNode.disconnect(), this.sourceNode.disconnect(), this.scriptNode && this.scriptNode.disconnect(), p(this.sourceNode) ? (this.resetSourceDuration(), this.sourceNode.onended = null) : this.sourceNode.mediaStream.getTracks().forEach((t) => {
t.stop();
}));
}
resetSourceDuration() {
this.processBuffer = new c(), this.sourceDuration = {
offsetTime: 0,
startTime: 0,
lastPauseTime: 0,
pauseTime: 0
};
}
}
class V {
async createURLTrack(t) {
return new Promise(async (e) => {
const i = await (await fetch(t)).arrayBuffer();
this.audioContext.decodeAudioData(i, async (o) => {
const n = new S(o, this.audioContext, p.URL);
e(n);
const s = new AudioContext(), n = await (await fetch(t)).arrayBuffer();
s.decodeAudioData(n, async (o) => {
const h = new v(o, s, d.URL);
e(h);
});
});
}
async createBufferTrack(t) {
return new Promise(async (e) => {
this.audioContext.decodeAudioData(t, async (s) => {
const i = new S(
const s = new AudioContext();
s.decodeAudioData(t, async (i) => {
const n = new v(
i,
s,
this.audioContext,
p.BUFFER
d.BUFFER
);
e(i);
e(n);
});
});
}
async createMicrophoneTrack(t = !0) {
return new Promise(async (e) => {
const s = await navigator.mediaDevices.getUserMedia({
const s = new AudioContext(), i = await navigator.mediaDevices.getUserMedia({
audio: t,
video: !1
}), i = new S(s, this.audioContext, p.MICROPHONE);
e(i);
}), n = new v(i, s, d.MICROPHONE);
e(n);
});
}
}
export {
S as Track,
H as Yami
v as Track,
V as Yami
};
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