diff --git a/app/main.py b/app/main.py index eb050740..2035d665 100644 --- a/app/main.py +++ b/app/main.py @@ -915,7 +915,9 @@ def download_logs_zip() -> StreamingResponse: # Content-Security-Policy. Defense-in-depth so an injected string in the webview # can't run script (and, in the desktop app, reach the exposed Tauri IPC) — #171. # script-src has no 'unsafe-inline'/'eval': all JS is same-origin modules and the -# inline scripts/onclick were moved out. 'unsafe-inline' is allowed for *styles* +# inline scripts/onclick were moved out. 'wasm-unsafe-eval' lets WebAssembly +# compile, which the Signalsmith tempo stage in the audio worklet needs (#729); +# it does not re-enable JS eval, new Function or string timers. 'unsafe-inline' is allowed for *styles* # only (the UI sets many style attributes). Allowances: # connect-src -> same-origin API/SSE, the GitHub update check, Tauri IPC, # Wikidata/Wikipedia for the artist box the now-playing card @@ -926,7 +928,7 @@ def download_logs_zip() -> StreamingResponse: # style/font -> the Google Fonts _CSP = ( "default-src 'self'; " - "script-src 'self'; " + "script-src 'self' 'wasm-unsafe-eval'; " "style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; " "font-src 'self' https://fonts.gstatic.com data:; " "img-src 'self' data: blob: https:; " diff --git a/desktop/src-tauri/tauri.conf.json b/desktop/src-tauri/tauri.conf.json index 5604ffd7..8ad86950 100644 --- a/desktop/src-tauri/tauri.conf.json +++ b/desktop/src-tauri/tauri.conf.json @@ -24,7 +24,7 @@ } ], "security": { - "csp": "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com data:; img-src 'self' data: blob:; connect-src 'self' ipc: http://ipc.localhost; object-src 'none'; base-uri 'self'; frame-ancestors 'none'" + "csp": "default-src 'self'; script-src 'self' 'wasm-unsafe-eval'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com data:; img-src 'self' data: blob:; connect-src 'self' ipc: http://ipc.localhost; object-src 'none'; base-uri 'self'; frame-ancestors 'none'" } }, "bundle": { diff --git a/static/js/audioEngine.js b/static/js/audioEngine.js index 0100ac06..d2616ed4 100644 --- a/static/js/audioEngine.js +++ b/static/js/audioEngine.js @@ -24,6 +24,7 @@ import { } from "./pitchBus.js"; import { createPlaybackContext } from "./audioContext.js"; import { createTickLoop } from "./tickLoop.js"; +import { loadStretchWorklet, pipelineLatencySeconds as stretchLatency } from "./tempoStage.js"; export function createAudioEngine(stems, { onTime, onEnded, context } = {}) { // Mobile/iOS only starts audio from a context resumed inside a user gesture. @@ -53,15 +54,22 @@ export function createAudioEngine(stems, { onTime, onEnded, context } = {}) { // Reported by the processor, because deriving it here would mean keeping a // copy of its buffering constants in sync by hand. let _workletLatencyFrames = 0; + // Which tempo stage the processor is running, and its latency (#729). + let _tempoStage = null; const _workletReady = (ctx.audioWorklet - ? ctx.audioWorklet.addModule('/vendor/soundtouch-processor.js').then(() => { + ? loadStretchWorklet(ctx.audioWorklet).then(() => { stNode = new AudioWorkletNode(ctx, 'soundtouch-processor', { numberOfInputs: INPUT_COUNT, numberOfOutputs: 1, outputChannelCount: [2], }); stNode.port.onmessage = (event) => { - if (event?.data?.type === 'latency') _workletLatencyFrames = event.data.frames || 0; + const data = event?.data; + if (data?.type === 'latency') _workletLatencyFrames = data.frames || 0; + else if (data?.type === 'tempoStage') _tempoStage = data; + else if (data?.type === 'tempoStageFailed') { + console.warn('[tempoStage] Signalsmith core failed to start, keeping WSOLA:', data.message); + } }; // The worklet loads asynchronously, so anything set before it arrived // would otherwise be dropped. Re-apply the current value now. @@ -187,12 +195,6 @@ export function createAudioEngine(stems, { onTime, onEnded, context } = {}) { // (startCtxTime > ctx.currentTime), which would otherwise make this go // negative -- the playhead must sit still at the start until the audio enters. // A no-op for a normal start, where startCtxTime == the moment play() ran. - const wsolaLatencySeconds = () => { - const needed = Math.round(0.012 * ctx.sampleRate) - + Math.round(0.028 * ctx.sampleRate) - + Math.round(0.082 * ctx.sampleRate); - return Math.floor(needed / 128) * 128 / ctx.sampleRate; - }; const anyLaneTransposed = () => { for (const t of tracks.values()) { if (t.visualOnly) continue; @@ -202,11 +204,13 @@ export function createAudioEngine(stems, { onTime, onEnded, context } = {}) { }; const pipelineLatencySeconds = () => { if (!stNode) return 0; - // The pitch buses only buffer once something is actually transposed. Until - // then the worklet hands its input straight back, with no delay to correct. - const pitchLatency = anyLaneTransposed() ? _workletLatencyFrames / ctx.sampleRate : 0; - const tempoStages = Math.abs(_playbackRate - 1) >= 1e-3 ? 1 : 0; - return pitchLatency + tempoStages * wsolaLatencySeconds(); + return stretchLatency({ + workletFrames: _workletLatencyFrames, + stage: _tempoStage, + rate: _playbackRate, + transposed: anyLaneTransposed(), + sampleRate: ctx.sampleRate, + }); }; const now = () => playing ? Math.max( diff --git a/static/js/chunkedAudioEngine.js b/static/js/chunkedAudioEngine.js index 4a03d45d..a85475b0 100644 --- a/static/js/chunkedAudioEngine.js +++ b/static/js/chunkedAudioEngine.js @@ -190,6 +190,7 @@ import { } from "./pitchBus.js"; import { createPlaybackContext } from "./audioContext.js"; import { createTickLoop } from "./tickLoop.js"; +import { loadStretchWorklet, pipelineLatencySeconds as stretchLatency } from "./tempoStage.js"; export function createChunkedAudioEngine(stems, { onTime, onEnded, context } = {}) { const AC = window.AudioContext || window.webkitAudioContext; @@ -226,15 +227,22 @@ export function createChunkedAudioEngine(stems, { onTime, onEnded, context } = { // Reported by the processor, because deriving it here would mean keeping a // copy of its buffering constants in sync by hand. let _workletLatencyFrames = 0; + // Which tempo stage the processor is running, and its latency (#729). + let _tempoStage = null; const _workletReady = (ctx.audioWorklet - ? ctx.audioWorklet.addModule('/vendor/soundtouch-processor.js').then(() => { + ? loadStretchWorklet(ctx.audioWorklet).then(() => { stNode = new AudioWorkletNode(ctx, 'soundtouch-processor', { numberOfInputs: INPUT_COUNT, numberOfOutputs: 1, outputChannelCount: [2], }); stNode.port.onmessage = (event) => { - if (event?.data?.type === 'latency') _workletLatencyFrames = event.data.frames || 0; + const data = event?.data; + if (data?.type === 'latency') _workletLatencyFrames = data.frames || 0; + else if (data?.type === 'tempoStage') _tempoStage = data; + else if (data?.type === 'tempoStageFailed') { + console.warn('[tempoStage] Signalsmith core failed to start, keeping WSOLA:', data.message); + } }; // The worklet loads asynchronously, so anything set before it arrived // would otherwise be dropped. Re-apply the current value now. @@ -335,12 +343,6 @@ export function createChunkedAudioEngine(stems, { onTime, onEnded, context } = { // schedule chunk 0 without an async await after ready() completes. const _cache = new Map(); - const _wsolaLatencySeconds = () => { - const needed = Math.round(0.012 * ctx.sampleRate) - + Math.round(0.028 * ctx.sampleRate) - + Math.round(0.082 * ctx.sampleRate); - return Math.floor(needed / 128) * 128 / ctx.sampleRate; - }; const _anyLaneTransposed = () => { for (const stem of stemMap.values()) { if (effectivePitch(stem.name, stem.pitch, stem.pitchable) !== 0) return true; @@ -349,11 +351,13 @@ export function createChunkedAudioEngine(stems, { onTime, onEnded, context } = { }; const _pipelineLatencySeconds = () => { if (!stNode) return 0; - // The pitch buses only buffer once something is actually transposed. Until - // then the worklet hands its input straight back, with no delay to correct. - const pitchLatency = _anyLaneTransposed() ? _workletLatencyFrames / ctx.sampleRate : 0; - const tempoStages = Math.abs(_playbackRate - 1) >= 1e-3 ? 1 : 0; - return pitchLatency + tempoStages * _wsolaLatencySeconds(); + return stretchLatency({ + workletFrames: _workletLatencyFrames, + stage: _tempoStage, + rate: _playbackRate, + transposed: _anyLaneTransposed(), + sampleRate: ctx.sampleRate, + }); }; // Ducking either side of a bus change. Both buses are delayed by the same @@ -603,7 +607,13 @@ export function createChunkedAudioEngine(stems, { onTime, onEnded, context } = { // loop.start when the playhead crosses it (bounded by one rAF frame). const limit = (loop.enabled && loop.end > loop.start) ? loop.end : _duration; if (_scheduledTo >= limit) return; - if (_scheduledTo - _getCurrentTime() < LOOKAHEAD_SEC) { + // Measured against the sources, not the output playhead. With SoundTouch + // stretching, sources play at 1x and the worklet buffers the surplus, so + // below 1x the output playhead falls behind what the sources have used up. + // Gating on it overstated the margin by (1 - rate) seconds every second + // until the sources ran dry and the next chunk landed late and skipped + // (#722). In the tape-effect fallback the two clocks agree. + if (_scheduledTo - ctxTimeToSourceTime(ctx.currentTime) < LOOKAHEAD_SEC) { _filling = true; _scheduleNext().finally(() => { _filling = false; }); } diff --git a/static/js/tempoStage.js b/static/js/tempoStage.js new file mode 100644 index 00000000..43842988 --- /dev/null +++ b/static/js/tempoStage.js @@ -0,0 +1,58 @@ +// Loading the worklet, and how late its output runs, for both audio engines. +// +// Both engines drive the same processor and used to carry their own copy of +// its latency. Signalsmith Stretch (#729) made that a formula that depends on +// the tempo and on which stage loaded, and a third copy of it would drift. + +const CORE_URL = "/vendor/signalsmith-stretch.js"; +const PROCESSOR_URL = "/vendor/soundtouch-processor.js"; + +/** + * Add the Signalsmith core, then the processor. + * + * The core is optional. A browser without WebAssembly in worklets, or a CSP + * without 'wasm-unsafe-eval', fails here, and the processor then keeps WSOLA + * as its tempo stage. Only the processor failing fails the whole thing. + */ +export async function loadStretchWorklet(audioWorklet) { + try { + await audioWorklet.addModule(CORE_URL); + } catch (err) { + console.warn("[tempoStage] Signalsmith core did not load, keeping WSOLA:", err); + } + await audioWorklet.addModule(PROCESSOR_URL); +} + +// WSOLA's tempo stage, as the engines have always counted it. +function wsolaLatencySeconds(sampleRate) { + const needed = Math.round(0.012 * sampleRate) + + Math.round(0.028 * sampleRate) + + Math.round(0.082 * sampleRate); + return Math.floor(needed / 128) * 128 / sampleRate; +} + +/** + * Seconds between a source sample entering the worklet and it being heard. + * + * @param {object} p + * @param {number} p.workletFrames the processor's `latency` message: the + * priming every bus goes through once the worklet is doing anything + * @param {object|null} p.stage the processor's latest `tempoStage` message + * @param {number} p.rate playback rate + * @param {boolean} p.transposed whether any lane is off its own key + * @param {number} p.sampleRate + */ +export function pipelineLatencySeconds({ workletFrames, stage, rate, transposed, sampleRate }) { + const tempoActive = Math.abs(rate - 1) >= 1e-3; + // The pitch buses only buffer once something is actually transposed. Until + // then the worklet hands its input straight back, with no delay to correct. + const pitchSeconds = transposed ? workletFrames / sampleRate : 0; + if (!tempoActive) return pitchSeconds; + if (stage?.stage === "signalsmith") { + // The priming and the core's input side are counted in input samples, so + // they stretch with the tempo; its output side does not. Measured against + // the processor end to end, this lands within a millisecond. + return ((workletFrames + stage.inputFrames) / rate + stage.outputFrames) / sampleRate; + } + return pitchSeconds + wsolaLatencySeconds(sampleRate); +} diff --git a/static/vendor/signalsmith-stretch.js b/static/vendor/signalsmith-stretch.js new file mode 100644 index 00000000..d0460010 --- /dev/null +++ b/static/vendor/signalsmith-stretch.js @@ -0,0 +1,53 @@ +// Signalsmith Stretch 1.3.2, the WASM core only (#729). +// +// From the npm package signalsmith-stretch@1.3.2, file SignalsmithStretch.mjs, +// lines 3 to 16: the Emscripten loader with the WASM embedded. Nothing in it is +// changed. The package's own AudioWorkletNode wrapper is left out, because it +// stretches only buffers it owns and ignores the rate on live input, which is +// all StemDeck has. soundtouch-processor.js drives the core directly instead. +// +// Loaded as its own worklet module ahead of soundtouch-processor.js. Modules in +// one AudioWorkletGlobalScope share its global object, which is how the loader +// reaches the processor without an import (tests load the processor as a plain +// function body, where an import would not parse). +// +// Upstream: https://signalsmith-audio.co.uk/code/stretch/ +// +// MIT License +// +// Copyright (c) 2022 Geraint Luff / Signalsmith Audio Ltd. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +var SignalsmithStretch = (() => { + var _scriptName = typeof document != 'undefined' ? document.currentScript?.src : undefined; + + return ( +function(moduleArg = {}) { + var moduleRtn; + +var Module=moduleArg;var readyPromiseResolve,readyPromiseReject;var readyPromise=new Promise((resolve,reject)=>{readyPromiseResolve=resolve;readyPromiseReject=reject});var ENVIRONMENT_IS_WEB=typeof window=="object";var ENVIRONMENT_IS_WORKER=typeof WorkerGlobalScope!="undefined";var ENVIRONMENT_IS_NODE=typeof process=="object"&&typeof process.versions=="object"&&typeof process.versions.node=="string"&&process.type!="renderer";var ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER;var 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err=console.error.bind(console);Object.assign(Module,moduleOverrides);moduleOverrides=null;var wasmBinary;if(typeof atob=="undefined"){if(typeof global!="undefined"&&typeof globalThis=="undefined"){globalThis=global}globalThis.atob=function(input){var keyStr="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";var output="";var chr1,chr2,chr3;var enc1,enc2,enc3,enc4;var i=0;input=input.replace(/[^A-Za-z0-9\+\/\=]/g,"");do{enc1=keyStr.indexOf(input.charAt(i++));enc2=keyStr.indexOf(input.charAt(i++));enc3=keyStr.indexOf(input.charAt(i++));enc4=keyStr.indexOf(input.charAt(i++));chr1=enc1<<2|enc2>>4;chr2=(enc2&15)<<4|enc3>>2;chr3=(enc3&3)<<6|enc4;output=output+String.fromCharCode(chr1);if(enc3!==64){output=output+String.fromCharCode(chr2)}if(enc4!==64){output=output+String.fromCharCode(chr3)}}while(ifilename.startsWith(dataURIPrefix);function findWasmBinary(){var 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";return f}var wasmBinaryFile;function getBinarySync(file){if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}var binary=tryParseAsDataURI(file);if(binary){return binary}if(readBinary){return readBinary(file)}throw"both async and sync fetching of the wasm failed"}function getBinaryPromise(binaryFile){return Promise.resolve().then(()=>getBinarySync(binaryFile))}function instantiateArrayBuffer(binaryFile,imports,receiver){return getBinaryPromise(binaryFile).then(binary=>WebAssembly.instantiate(binary,imports)).then(receiver,reason=>{err(`failed to asynchronously prepare wasm: ${reason}`);abort(reason)})}function instantiateAsync(binary,binaryFile,imports,callback){return instantiateArrayBuffer(binaryFile,imports,callback)}function getWasmImports(){return{a:wasmImports}}function createWasm(){function receiveInstance(instance,module){wasmExports=instance.exports;wasmMemory=wasmExports["e"];updateMemoryViews();addOnInit(wasmExports["f"]);removeRunDependency("wasm-instantiate");return wasmExports}addRunDependency("wasm-instantiate");function receiveInstantiationResult(result){receiveInstance(result["instance"])}var info=getWasmImports();wasmBinaryFile??=findWasmBinary();instantiateAsync(wasmBinary,wasmBinaryFile,info,receiveInstantiationResult).catch(readyPromiseReject);return{}}class ExitStatus{name="ExitStatus";constructor(status){this.message=`Program terminated with exit(${status})`;this.status=status}}var callRuntimeCallbacks=callbacks=>{while(callbacks.length>0){callbacks.shift()(Module)}};var __abort_js=()=>abort("");var __emscripten_memcpy_js=(dest,src,num)=>HEAPU8.copyWithin(dest,src,src+num);var getHeapMax=()=>2147483648;var alignMemory=(size,alignment)=>Math.ceil(size/alignment)*alignment;var abortOnCannotGrowMemory=requestedSize=>{abort("OOM")};var growMemory=size=>{var 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_main=Module["_main"]=(a0,a1)=>(_main=Module["_main"]=wasmExports["y"])(a0,a1);Module["UTF8ToString"]=UTF8ToString;var calledRun;dependenciesFulfilled=function runCaller(){if(!calledRun)run();if(!calledRun)dependenciesFulfilled=runCaller};function callMain(){var entryFunction=_main;var argc=0;var argv=0;try{var ret=entryFunction(argc,argv);exitJS(ret,true);return ret}catch(e){return handleException(e)}}function run(){if(runDependencies>0){return}preRun();if(runDependencies>0){return}function doRun(){if(calledRun)return;calledRun=true;Module["calledRun"]=true;if(ABORT)return;initRuntime();preMain();readyPromiseResolve(Module);if(shouldRunNow)callMain();postRun()}{doRun()}}var shouldRunNow=true;run();moduleRtn=readyPromise; + + + return moduleRtn; +} +); +})(); + +globalThis.SignalsmithStretchCore = SignalsmithStretch; diff --git a/static/vendor/soundtouch-processor.js b/static/vendor/soundtouch-processor.js index 52eb564a..d5b4a510 100644 --- a/static/vendor/soundtouch-processor.js +++ b/static/vendor/soundtouch-processor.js @@ -173,6 +173,103 @@ class Biquad { // actually land, and four biquads on one bus cost nothing worth counting. const BUTTERWORTH_Q8 = [0.50979558, 0.60134489, 0.89997622, 2.56291545]; +// Attacks the tempo stage must not play twice (#728). +// +// Below 1x a sequence plays 70 ms of input but moves on by only 70 * tempo, so +// consecutive sequences overlap and whatever sits in the overlap is heard +// twice. Sustained sound hides that. A kick does not: at 0.75x it came out as a +// flam about 50 ms long. When the next sequence would replay an attack, the +// chain instead carries straight on from where the last sequence stopped, which +// splices identical samples and so is seamless, and borrows the time that costs. +// Later sequences stretch a little harder to pay it back. +// +// Nothing is split or filtered, so unlike the attack path this file once had, +// the output is still built only from whole grains of the input. +const ATTACK_FRAME_MS = 2; // energy frame the detector works in +const ATTACK_HISTORY_MS = 20; // what an attack is measured against +const ATTACK_RATIO = 4; // 6 dB above the recent level +const ATTACK_FLOOR = 1e-6; // ignore noise rising out of near silence +const ATTACK_GAP_MS = 30; // one attack per kick, not one per frame of it +// An attack is marked this far ahead of the frame that crossed the threshold, +// so the few milliseconds of rise before it count as part of the attack. +const ATTACK_LEAD_MS = 4; +// Borrowed input the chain may be ahead of its nominal clock by. The whole +// mix, click included, goes through this one stage, so borrowing moves +// everything together and the only effect is the playhead trailing the audio, +// by this at most, until it is paid back. +const MAX_BORROW_MS = 100; +// Share of a sequence's advance used to pay the loan back, so repayment is +// spread thinly rather than stretching one sequence hard. +const REPAY_SHARE = 0.25; + +/** + * Marks attacks in a sample stream, by absolute sample position. + * + * Measured on the sample-to-sample difference rather than on the signal: the + * difference is dominated by high frequencies, which is what an attack is made + * of, while a bass line or a pad barely moves it. Plain energy missed most of + * the attacks in a full mix and placed the rest 8 to 30 ms late. + * + * Positions are absolute so they survive the FIFO compacting under them. + */ +class AttackTracker { + constructor(sr) { + this.frameLen = Math.max(1, Math.round(ATTACK_FRAME_MS * sr / 1000)); + this.alpha = ATTACK_FRAME_MS / ATTACK_HISTORY_MS; + this.gap = Math.round(ATTACK_GAP_MS * sr / 1000); + this.lead = Math.round(ATTACK_LEAD_MS * sr / 1000); + this.clear(); + } + + clear() { + this.written = 0; // absolute position of the next sample pushed + this.frameAcc = 0; + this.frameFill = 0; + this.prevL = 0; + this.prevR = 0; + this.level = 0; + this.lastAttack = -Infinity; + this.attacks = []; + } + + push(l, r, n) { + for (let i = 0; i < n; i++) { + const dl = l[i] - this.prevL, dr = r[i] - this.prevR; + this.prevL = l[i]; + this.prevR = r[i]; + this.frameAcc += dl * dl + dr * dr; + if (++this.frameFill < this.frameLen) continue; + const e = this.frameAcc / this.frameLen; + const start = this.written + i + 1 - this.frameLen - this.lead; + if (e > ATTACK_RATIO * this.level && e > ATTACK_FLOOR && start - this.lastAttack >= this.gap) { + this.attacks.push(start); + this.lastAttack = start; + } + this.level += this.alpha * (e - this.level); + this.frameAcc = 0; + this.frameFill = 0; + } + this.written += n; + } + + /** True if an attack starts in [from, to), absolute positions. */ + any(from, to) { + // Sorted, and below 1x the unread backlog, and so this list, keeps growing. + for (const a of this.attacks) { + if (a >= to) return false; + if (a >= from) return true; + } + return false; + } + + /** Forget attacks the chain has consumed past. */ + drop(before) { + let k = 0; + while (k < this.attacks.length && this.attacks[k] < before) k++; + if (k) this.attacks.splice(0, k); + } +} + /** * One WSOLA time-stretch chain: stereo in, stereo out, its own buffers. * @@ -183,7 +280,13 @@ const BUTTERWORTH_Q8 = [0.50979558, 0.60134489, 0.89997622, 2.56291545]; * folding, only attenuate whatever the fold produced. */ class Wsola { - constructor(sr) { + /** + * `keepAttacks` must stay off for the pitch stages. Borrowing moves a chain's + * clock, and a pitch chain is aligned sample for sample with the unpitched + * drums beside it, so there it would pull the band away from the kit. It is + * safe on the shared tempo stage only because everything shares that clock. + */ + constructor(sr, { keepAttacks = false } = {}) { this.ovLen = Math.round(OVERLAP_MS * sr / 1000); this.seekLen = Math.round(SEEK_MS * sr / 1000); this.seqLen = Math.round(SEQUENCE_MS * sr / 1000); @@ -209,6 +312,12 @@ class Wsola { this._primed = false; this.postFilter = null; + + this._attacks = keepAttacks ? new AttackTracker(sr) : null; + this._maxBorrow = Math.round(MAX_BORROW_MS * sr / 1000); + this._head = 0; // absolute position of inL's read head + this._borrowed = 0; // input consumed ahead of the nominal clock + this._continue = false; // next sequence starts exactly where this one ended } clear() { @@ -217,11 +326,23 @@ class Wsola { this._carryL.fill(0); this._carryR.fill(0); this._advanceRem = 0; this._primed = false; + this._attacks?.clear(); + this._head = 0; + this._borrowed = 0; + this._continue = false; } push(l, r, n) { this.inL.push(l, 0, n); this.inR.push(r, 0, n); + this._attacks?.push(l, r, n); + } + + _consume(n) { + this.inL.consume(n); + this.inR.consume(n); + this._head += n; + this._attacks?.drop(this._head); } /** Run sequences until `want` output samples are queued, or input runs out. */ @@ -236,7 +357,10 @@ class Wsola { _sequence(tempo) { const ovLen = this.ovLen, midLen = this.midLen, seqLen = this.seqLen; const outLen = ovLen + midLen; - const bestOff = findBestOffset(this._carryL, ovLen, this.inL, this.seekLen); + // After carrying straight on, the carry is the very samples at the head, + // so offset 0 splices them onto themselves. A search could land elsewhere. + const bestOff = this._continue ? 0 : findBestOffset(this._carryL, ovLen, this.inL, this.seekLen); + this._continue = false; for (let i = 0; i < ovLen; i++) { const w = i / ovLen; @@ -257,14 +381,125 @@ class Wsola { this.outL.push(this._tmpL, 0, outLen); this.outR.push(this._tmpR, 0, outLen); - const exact = (seqLen - ovLen) * tempo + this._advanceRem; + const nominal = (seqLen - ovLen) * tempo; + const repay = this._attacks ? Math.min(this._borrowed, nominal * REPAY_SHARE) : 0; + const exact = nominal - repay + this._advanceRem; const whole = Math.floor(exact); + + // Input this sequence played in full ends at `played`; the carry after it + // is faded out under the next sequence's head. The next sequence starts no + // earlier than `whole`, so an attack in between would be heard twice. + if (this._attacks && tempo < 1) { + const played = bestOff + outLen; + const cost = played - nominal; + if (this._borrowed + cost <= this._maxBorrow + && this._attacks.any(this._head + whole, this._head + played + ovLen)) { + this._borrowed += cost; + this._continue = true; + this._consume(played); + return; + } + } + + this._borrowed -= repay; this._advanceRem = exact - whole; // The similarity search is local to this sequence. Folding bestOff into // the nominal advance makes content-dependent offsets accumulate into a // clock error, which is especially audible against unpitched drums. - this.inL.consume(whole); - this.inR.consume(whole); + this._consume(whole); + } +} + +// The shared tempo stage, when the Signalsmith core loaded (#729). +// +// WSOLA slows audio down by repeating overlapping fragments of it, which is +// heard as an echo on anything sustained. Signalsmith Stretch works in the +// frequency domain and repeats nothing. 40 ms blocks were chosen by ear against +// 30, 60 and the library's 120 ms default: 120 softened a quarter of the drum +// attacks in a full mix, 30 blurred the low end. +const SIGNALSMITH_BLOCK_MS = 40; +const SIGNALSMITH_INTERVAL_MS = 10; +// Largest input one render quantum can ask for is 128 * the tempo maximum. +const SIGNALSMITH_MAX_BLOCK = 128 * 4; + +/** + * The same shape as a Wsola chain, as far as the processor uses one: push, + * fill, clear and an output FIFO pair. Anything else would mean a second code + * path through process(). + * + * The core stretches by whatever ratio it is handed, so each quantum feeds it + * 128 * tempo input samples for 128 output samples. The fraction carries over, + * so the rate is exact on average and nothing drifts against the click. + */ +class SignalsmithTempo { + constructor(core, sr) { + this._core = core; + core._main(); + core._configure( + 2, + Math.round(SIGNALSMITH_BLOCK_MS * sr / 1000), + Math.round(SIGNALSMITH_INTERVAL_MS * sr / 1000), + false, + ); + core._reset(); + this.inputLatency = core._inputLatency(); + this.outputLatency = core._outputLatency(); + this._len = SIGNALSMITH_MAX_BLOCK; + this._ptr = core._setBuffers(2, this._len); + this._heap = null; + this.inL = new FloatFifo(); + this.inR = new FloatFifo(); + this.outL = new FloatFifo(); + this.outR = new FloatFifo(); + this._carry = 0; + } + + // Views onto the core's buffers, rebuilt only if its memory was replaced. + _views() { + const buffer = this._core.HEAP8.buffer; + if (!this._heap || this._heap.buffer !== buffer) { + this._heap = new Float32Array(buffer, this._ptr, this._len * 4); + } + return this._heap; + } + + clear() { + this.inL.clear(); this.inR.clear(); + this.outL.clear(); this.outR.clear(); + this._core._reset(); + this._carry = 0; + } + + push(l, r, n) { + this.inL.push(l, 0, n); + this.inR.push(r, 0, n); + } + + fill(tempo, want) { + const block = 128; + while (this.outL.avail < want) { + const exact = block * tempo + this._carry; + const take = Math.min(Math.floor(exact), this._len); + if (this.inL.avail < take) return; + this._carry = exact - take; + const heap = this._views(); + const len = this._len; + for (let i = 0; i < take; i++) { + heap[i] = this.inL.peek(i); + heap[len + i] = this.inR.peek(i); + } + this.inL.consume(take); + this.inR.consume(take); + this._core._process(take, block); + const out = this._views(); + this.outL.push(out, 2 * len, block); + this.outR.push(out, 3 * len, block); + } + } + + /** Output samples between a sample entering and leaving, at this tempo. */ + latencyFrames(tempo) { + return this.inputLatency / tempo + this.outputLatency; } } @@ -459,10 +694,15 @@ class SoundTouchProcessor extends AudioWorkletProcessor { constructor() { super(); - this._tempo = new Wsola(sampleRate); + // WSOLA stays as the tempo stage until the Signalsmith core is ready, and + // for good if it never is: a browser without WebAssembly in worklets, or a + // CSP that blocks it. Its sizes also set the priming below either way. + this._wsola = new Wsola(sampleRate, { keepAttacks: true }); + this._tempo = this._wsola; + this._signalsmith = null; // Silence every bus is primed with, before its own alignment pad, so they // share one clock and each chain can produce from its first block. - this._commonPrime = this._tempo.needed + PRIME_CUSHION; + this._commonPrime = this._wsola.needed + PRIME_CUSHION; this._chains = new Array(INPUT_COUNT).fill(null); this._idle = new Array(INPUT_COUNT).fill(0); this._unpitchedL = new FloatFifo(); @@ -487,13 +727,39 @@ class SoundTouchProcessor extends AudioWorkletProcessor { this.port.postMessage({ type: 'latency', frames: this._commonPrime - + alignmentPad(this._tempo.ovLen + this._tempo.midLen, 1), + + alignmentPad(this._wsola.ovLen + this._wsola.midLen, 1), + }); + } + this._reportTempoStage(); + + // Loaded as its own worklet module ahead of this one; see + // signalsmith-stretch.js. Instantiating is asynchronous, so the stage is + // only swapped in at the next flush, never under audio already playing. + const core = globalThis.SignalsmithStretchCore; + if (typeof core === 'function') { + core().then((module) => { + this._signalsmith = new SignalsmithTempo(module, sampleRate); + }).catch((err) => { + this.port?.postMessage({ type: 'tempoStageFailed', message: String(err?.message || err) }); }); } } + // The tempo stage's own latency, which the engine adds when tempo is not 1. + // Signalsmith's depends on the tempo, so it is sent as its two parts. + _reportTempoStage() { + if (!this.port) return; + const ss = this._tempo === this._signalsmith ? this._signalsmith : null; + this.port.postMessage({ + type: 'tempoStage', + stage: ss ? 'signalsmith' : 'wsola', + inputFrames: ss ? ss.inputLatency : 0, + outputFrames: ss ? ss.outputLatency : 0, + }); + } + _primeUnpitched() { - const outLen = this._tempo.ovLen + this._tempo.midLen; + const outLen = this._wsola.ovLen + this._wsola.midLen; const pad = new Float32Array(this._commonPrime + alignmentPad(outLen, 1)); this._unpitchedL.clear(); this._unpitchedR.clear(); @@ -502,6 +768,10 @@ class SoundTouchProcessor extends AudioWorkletProcessor { } _flush() { + if (this._signalsmith && this._tempo !== this._signalsmith) { + this._tempo = this._signalsmith; + this._reportTempoStage(); + } this._tempo.clear(); this._mixFifoL.clear(); this._mixFifoR.clear(); diff --git a/tests/e2e/tempo-stage.spec.mjs b/tests/e2e/tempo-stage.spec.mjs new file mode 100644 index 00000000..bb412935 --- /dev/null +++ b/tests/e2e/tempo-stage.spec.mjs @@ -0,0 +1,42 @@ +// The Signalsmith tempo stage loads in a real browser (#729). +// +// tests/js/signalsmith-stage.test.mjs checks the stage itself in node. What +// only a browser can show is that it gets that far at all: the core is a +// WebAssembly module compiled inside the audio worklet, which the page's CSP +// blocks unless script-src allows 'wasm-unsafe-eval'. Blocked, the processor +// quietly keeps WSOLA and every other test still passes, so this watches the +// processor say which stage it is running. + +import { test, expect } from "@playwright/test"; +import { openStudio } from "./helpers.mjs"; + +async function recordWorkletMessages(page) { + await page.addInitScript(() => { + window.__workletMessages = []; + const Native = window.AudioWorkletNode; + window.AudioWorkletNode = class extends Native { + constructor(...args) { + super(...args); + this.port.addEventListener("message", (event) => window.__workletMessages.push(event.data)); + } + }; + }); +} + +test("slowed playback runs on the Signalsmith stage", async ({ page }) => { + const failures = []; + page.on("console", (msg) => { + if (msg.type() === "warning" && msg.text().includes("[tempoStage]")) failures.push(msg.text()); + }); + await recordWorkletMessages(page); + await openStudio(page); + + await page.locator("#t-speed-075").click(); + await page.locator("#t-play").click(); + + await expect.poll( + () => page.evaluate(() => window.__workletMessages.filter((m) => m?.type === "tempoStage").at(-1)?.stage), + { timeout: 10000 }, + ).toBe("signalsmith"); + expect(failures).toEqual([]); +}); diff --git a/tests/js/pitch-shift.test.mjs b/tests/js/pitch-shift.test.mjs index 91d64423..ba47f468 100644 --- a/tests/js/pitch-shift.test.mjs +++ b/tests/js/pitch-shift.test.mjs @@ -619,7 +619,7 @@ const Proc = load(); const starved = load(SRC .replace('const PRIME_CUSHION = 512;', 'const PRIME_CUSHION = 0;') .replace('const OUTPUT_RESERVE = 512;', 'const OUTPUT_RESERVE = 0;') - .replace('this._commonPrime = this._tempo.needed + PRIME_CUSHION;', 'this._commonPrime = 0;')); + .replace('this._commonPrime = this._wsola.needed + PRIME_CUSHION;', 'this._commonPrime = 0;')); let starvedPartials = 0; for (const [pitch, tempo] of [[2, 1], [-2, 1], [5, 1], [-5, 1]]) { starvedPartials += artefacts(starved, pitch, tempo).partial; diff --git a/tests/js/signalsmith-stage.test.mjs b/tests/js/signalsmith-stage.test.mjs new file mode 100644 index 00000000..9be327dc --- /dev/null +++ b/tests/js/signalsmith-stage.test.mjs @@ -0,0 +1,166 @@ +// The Signalsmith tempo stage (#729). +// +// WSOLA slowed audio by repeating overlapping fragments, heard as an echo on +// everything sustained. The processor now stretches with Signalsmith Stretch +// when its core loads, and keeps WSOLA when it does not. Checked here, with the +// processor driven exactly as an AudioWorklet drives it: +// +// - the stage is swapped in at a flush, and reported, and only then +// - the latency the engines compute from that report is the latency measured +// - kicks come out once each and on time, so nothing drifts +// - with no core, WSOLA stays, so playback never depends on WebAssembly +// +// Run: node tests/js/signalsmith-stage.test.mjs + +import { readFileSync } from 'node:fs'; +import { pipelineLatencySeconds } from '../../static/js/tempoStage.js'; + +const BLOCK = 128; +const INPUT_COUNT = 13; +const ZERO_INPUT = 6; + +let passed = 0; +let failed = 0; + +function check(name, condition, detail = '') { + if (condition) { + passed++; + console.log(`PASS ${name}`); + } else { + failed++; + console.log(`FAIL ${name}${detail ? ` -- ${detail}` : ''}`); + } +} + +const vendor = (name) => readFileSync(new URL(`../../static/vendor/${name}`, import.meta.url), 'utf8'); +const PROCESSOR = vendor('soundtouch-processor.js'); +const CORE = vendor('signalsmith-stretch.js'); + +/** A processor, with or without the core in its global scope, and its messages. */ +async function create(sr, { core }) { + if (core) new Function(CORE)(); + else delete globalThis.SignalsmithStretchCore; + let Cls = null; + const messages = []; + new Function('sampleRate', 'AudioWorkletProcessor', 'registerProcessor', PROCESSOR)( + sr, + class { constructor() { this.port = { postMessage: (m) => messages.push(m) }; } }, + (_name, c) => { Cls = c; }, + ); + const p = new Cls(); + // Instantiating the core is asynchronous; the engine's play() resets the + // processor well after that, which is what this stands in for. + await new Promise((resolve) => setTimeout(resolve, 50)); + p.port.onmessage({ data: { type: 'reset' } }); + return { p, messages }; +} + +/** Run `input` through at `tempo` into the unpitched input; returns the left output. */ +function run(p, input, tempo, outLength) { + const out = new Float32Array(Math.ceil(outLength / BLOCK) * BLOCK); + const params = { tempo: new Float32Array([tempo]) }; + for (let pos = 0; pos < out.length; pos += BLOCK) { + const block = new Float32Array(BLOCK); + if (pos < input.length) block.set(input.subarray(pos, Math.min(pos + BLOCK, input.length))); + const inputs = Array.from({ length: INPUT_COUNT }, (_, k) => (k === ZERO_INPUT ? [block, block] : [])); + const l = new Float32Array(BLOCK); + p.process(inputs, [[l, new Float32Array(BLOCK)]], params); + out.set(l, pos); + } + return out; +} + +const lastOf = (messages, type) => messages.filter((m) => m.type === type).at(-1); + +// --- the stage is swapped in, and says so --- +{ + const { p, messages } = await create(44100, { core: true }); + run(p, new Float32Array(BLOCK), 0.75, BLOCK); + const stage = lastOf(messages, 'tempoStage'); + check('the core is swapped in at the first flush', stage?.stage === 'signalsmith', `stage ${stage?.stage}`); + check('its latency is reported in two parts', stage?.inputFrames > 0 && stage?.outputFrames > 0); +} + +// --- no core: WSOLA stays --- +{ + const { p, messages } = await create(44100, { core: false }); + run(p, new Float32Array(BLOCK), 0.75, BLOCK); + check('without the core, WSOLA stays the tempo stage', lastOf(messages, 'tempoStage')?.stage === 'wsola'); +} + +// --- latency: what the engines compute is what comes out --- +for (const sr of [44100, 48000]) { + for (const tempo of [0.75, 0.9]) { + const { p, messages } = await create(sr, { core: true }); + const at = Math.round(sr * 0.5); + const input = new Float32Array(sr); + input[at] = 1; + const out = run(p, input, tempo, sr * 2); + let peak = 0; + let peakAt = 0; + for (let i = 0; i < out.length; i++) if (Math.abs(out[i]) > peak) { peak = Math.abs(out[i]); peakAt = i; } + const measured = (peakAt - at / tempo) / sr; + const computed = pipelineLatencySeconds({ + workletFrames: lastOf(messages, 'latency').frames, + stage: lastOf(messages, 'tempoStage'), + rate: tempo, + transposed: false, + sampleRate: sr, + }); + const error = Math.abs(measured - computed) * 1000; + check( + `the computed latency matches at ${sr} Hz, ${tempo}x`, + error <= 1, + `measured ${(measured * 1000).toFixed(1)} ms, computed ${(computed * 1000).toFixed(1)} ms`, + ); + } +} + +// --- kicks come out once, and on time --- +{ + const sr = 44100; + const tempo = 0.75; + const kicks = 40; + const every = 0.5; + const n = Math.round((kicks * every + 0.5) * sr); + const x = new Float32Array(n); + for (let i = 0; i < n; i++) { + const t = i / sr; + x[i] = 0.08 * (Math.sin(2 * Math.PI * 220 * t) + Math.sin(2 * Math.PI * 261.63 * t) + Math.sin(2 * Math.PI * 329.63 * t)); + } + for (let k = 0; k < kicks; k++) { + const at = Math.round((0.25 + k * every) * sr); + for (let i = 0; i < 0.15 * sr && at + i < n; i++) { + const t = i / sr; + const click = t < 0.003 ? 0.5 * Math.sin(2 * Math.PI * 3000 * t) * (1 - t / 0.003) : 0; + x[at + i] += click + 0.6 * Math.sin(2 * Math.PI * 60 * t) * Math.exp(-t / 0.04); + } + } + const { p } = await create(sr, { core: true }); + const y = run(p, x, tempo, Math.round(n / tempo) + sr); + + // Peaks of the click band's 1 ms envelope above a third of the loudest. + const hop = Math.round(sr * 0.001); + const env = []; + for (let i = hop; i + hop <= y.length; i += hop) { + let e = 0; + for (let j = 0; j < hop; j++) e += (y[i + j] - y[i + j - 1]) ** 2; + env.push(e); + } + const top = Math.max(...env); + const found = []; + for (let f = 1; f + 1 < env.length; f++) { + if (env[f] < top / 3 || env[f] < env[f - 1] || env[f] < env[f + 1]) continue; + const t = (f + 1) * hop / sr; + if (found.length && t - found.at(-1) < 0.01) continue; + found.push(t); + } + check(`every kick comes out once at ${tempo}x`, found.length === kicks, `heard ${found.length} for ${kicks}`); + // The input advance carries its fraction, so the last kick lands where an + // exact clock puts it, not a few samples further each quantum. + const drift = found.at(-1) - found[0] - ((kicks - 1) * every) / tempo; + check('the last kick is on the clock', Math.abs(drift) <= 0.002, `${(drift * 1000).toFixed(2)} ms`); +} + +console.log(`\n${passed}/${passed + failed} checks passed`); +process.exit(failed === 0 ? 0 : 1); diff --git a/tests/js/slowed-scheduling.test.mjs b/tests/js/slowed-scheduling.test.mjs new file mode 100644 index 00000000..3dd6553c --- /dev/null +++ b/tests/js/slowed-scheduling.test.mjs @@ -0,0 +1,198 @@ +// Slowed playback must never let the chunk sources run dry (#722). +// +// With SoundTouch stretching, sources play at 1x and the worklet buffers what +// it has not yet released, so below 1x the sources are used up faster than the +// output playhead moves. The lookahead gate compared against the output +// playhead, overstated its margin by (1 - rate) seconds every second, and at +// 0.75x the sources ran dry about fifty seconds in. +// +// So this plays a two minute track against a fake clock, one tick every 100 ms, +// and checks at every tick that the scheduled sources still reach past "now". +// The bug needs minutes of playback to show, which the 6 second e2e fixture +// cannot provide, hence a node test with a synthetic WAV. + +let passed = 0; +let failed = 0; + +function check(name, condition, detail = '') { + if (condition) { + passed++; + console.log(`PASS ${name}`); + } else { + failed++; + console.log(`FAIL ${name}${detail ? ` -- ${detail}` : ''}`); + } +} + +const RATE = 8000; +const TRACK_SEC = 120; +const PLAY_SEC = 100; +const STEP_SEC = 0.1; + +class FakeParam { + constructor(value = 0) { this.value = value; } +} + +class FakeNode { + constructor(ctx, type) { + this.ctx = ctx; + this.type = type; + ctx.nodes.push(this); + } + + connect(destination) { return destination; } + disconnect() {} +} + +class FakeGain extends FakeNode { + constructor(ctx) { + super(ctx, 'gain'); + this.gain = { + value: 1, + setTargetAtTime: (value) => { this.gain.value = value; }, + }; + } +} + +class FakeAnalyser extends FakeNode { + constructor(ctx) { + super(ctx, 'analyser'); + this.fftSize = 1024; + } +} + +// Records where each source starts and how much of its buffer it plays, which +// is all the check below needs to know when the feed runs out. +class FakeSource extends FakeNode { + constructor(ctx) { + super(ctx, 'source'); + this.playbackRate = new FakeParam(1); + this.buffer = null; + } + + start(when, offset = 0) { + const played = (this.buffer.duration - offset) / this.playbackRate.value; + this.ctx.fedUntil = Math.max(this.ctx.fedUntil, when + played); + } + + stop() {} +} + +class FakeContext { + constructor({ worklet }) { + this.nodes = []; + this.currentTime = 0; + this.sampleRate = 44100; + this.state = 'running'; + this.fedUntil = 0; + this.destination = new FakeNode(this, 'destination'); + this.audioWorklet = worklet ? { addModule: async () => {} } : null; + } + + createGain() { return new FakeGain(this); } + createAnalyser() { return new FakeAnalyser(this); } + createBufferSource() { return new FakeSource(this); } + createBuffer(channels, length, sampleRate) { + const data = Array.from({ length: channels }, () => new Float32Array(length)); + return { duration: length / sampleRate, getChannelData: (channel) => data[channel] }; + } + async resume() {} + async close() {} + addEventListener() {} + removeEventListener() {} +} + +class FakeWorkletNode extends FakeNode { + constructor(ctx) { + super(ctx, 'worklet'); + this.parameters = new Map([['tempo', new FakeParam(1)]]); + this.port = { postMessage() {} }; + queueMicrotask(() => this.port.onmessage?.({ data: { type: 'latency', frames: 6541 } })); + } +} + +let pendingTick = null; +globalThis.window = { AudioContext: FakeContext }; +globalThis.AudioWorkletNode = FakeWorkletNode; +globalThis.requestAnimationFrame = (cb) => { pendingTick = cb; return 1; }; +globalThis.cancelAnimationFrame = () => { pendingTick = null; }; + +// Mono 16-bit silence. Only the length matters, and a low rate keeps it small. +function wavBytes(seconds) { + const dataBytes = seconds * RATE * 2; + const bytes = new ArrayBuffer(44 + dataBytes); + const view = new DataView(bytes); + const text = (offset, value) => { + for (let i = 0; i < value.length; i++) view.setUint8(offset + i, value.charCodeAt(i)); + }; + text(0, 'RIFF'); + view.setUint32(4, bytes.byteLength - 8, true); + text(8, 'WAVE'); + text(12, 'fmt '); + view.setUint32(16, 16, true); + view.setUint16(20, 1, true); + view.setUint16(22, 1, true); + view.setUint32(24, RATE, true); + view.setUint32(28, RATE * 2, true); + view.setUint16(32, 2, true); + view.setUint16(34, 16, true); + text(36, 'data'); + view.setUint32(40, dataBytes, true); + return new Uint8Array(bytes); +} + +const WAV = wavBytes(TRACK_SEC); +globalThis.fetch = async (_url, options = {}) => { + const match = /bytes=(\d+)-(\d+)/.exec(options.headers?.Range || ''); + const start = match ? Number(match[1]) : 0; + const end = match ? Math.min(Number(match[2]), WAV.length - 1) : WAV.length - 1; + const slice = WAV.slice(start, end + 1); + return { + ok: true, + status: match ? 206 : 200, + headers: { get: (name) => name === 'Content-Range' ? `bytes ${start}-${end}/${WAV.length}` : null }, + arrayBuffer: async () => slice.buffer, + }; +}; + +const { createChunkedAudioEngine } = await import('../../static/js/chunkedAudioEngine.js'); + +// Enough turns of the event loop for a chunk fetch and decode to settle. +const settle = async () => { + for (let i = 0; i < 5; i++) await new Promise((resolve) => setImmediate(resolve)); +}; + +async function verify(label, { worklet, rate }) { + const ctx = new FakeContext({ worklet }); + const engine = createChunkedAudioEngine([{ name: 'vocals', url: '/vocals.wav' }], { context: ctx }); + check(`${label}: engine becomes ready`, await engine.ready); + check( + `${label}: runs on the expected path`, + engine.supportsPitchShift() === worklet, + ); + engine.setPlaybackRate(rate); + await engine.play(); + + let dryAt = null; + while (ctx.currentTime < PLAY_SEC) { + ctx.currentTime += STEP_SEC; + const tick = pendingTick; + pendingTick = null; + tick?.(); + await settle(); + if (dryAt === null && ctx.fedUntil < ctx.currentTime) dryAt = ctx.currentTime; + } + check( + `${label}: sources never run dry over ${PLAY_SEC} s`, + dryAt === null, + `ran dry at ${dryAt?.toFixed(1)} s`, + ); + engine.destroy(); +} + +await verify('SoundTouch at 1x', { worklet: true, rate: 1 }); +await verify('SoundTouch at 0.75x', { worklet: true, rate: 0.75 }); +await verify('tape effect at 0.75x', { worklet: false, rate: 0.75 }); + +console.log(`\n${passed}/${passed + failed} checks passed`); +process.exit(failed === 0 ? 0 : 1); diff --git a/tests/js/tempo-attacks.test.mjs b/tests/js/tempo-attacks.test.mjs new file mode 100644 index 00000000..7ddcfcb2 --- /dev/null +++ b/tests/js/tempo-attacks.test.mjs @@ -0,0 +1,148 @@ +// Kicks must not come out doubled at slowed speeds (#728). +// +// Below 1x consecutive WSOLA sequences overlap, and an attack in the overlap is +// played twice. At 0.75x a kick came out as a flam roughly 50 ms long. The +// tempo stage now carries straight on past an attack instead of replaying it, +// and borrows the time that costs. +// +// Ground truth comes from the signal, not from a detector: a synthetic track of +// 40 kicks over a sustained chord, so the output must hold exactly 40 attacks. +// The processor is driven exactly as an AudioWorklet would drive it. +// +// Run: node tests/js/tempo-attacks.test.mjs + +import { readFileSync } from 'node:fs'; + +const SR = 44100; +const BLOCK = 128; +const TEMPO = 0.75; +const KICKS = 40; +const KICK_EVERY = 0.5; +const INPUT_COUNT = 13; +const ZERO_INPUT = 6; +// The processor's own MAX_BORROW_MS, in output time, plus a few milliseconds +// of measurement slack. +const MAX_SHIFT = 0.1 / TEMPO + 0.005; + +let passed = 0; +let failed = 0; + +function check(name, condition, detail = '') { + if (condition) { + passed++; + console.log(`PASS ${name}`); + } else { + failed++; + console.log(`FAIL ${name}${detail ? ` -- ${detail}` : ''}`); + } +} + +const SRC = readFileSync(new URL('../../static/vendor/soundtouch-processor.js', import.meta.url), 'utf8'); + +function load() { + let Cls = null; + new Function('sampleRate', 'AudioWorkletProcessor', 'registerProcessor', SRC)( + SR, + class { constructor() { this.port = { onmessage: null, postMessage() {} }; } }, + (_name, c) => { Cls = c; }, + ); + return Cls; +} + +/** A kick is a 3 kHz click and a 60 Hz thump, over an A minor chord that never stops. */ +function track() { + const n = Math.round((KICKS * KICK_EVERY + 0.5) * SR); + const x = new Float32Array(n); + for (let i = 0; i < n; i++) { + const t = i / SR; + x[i] = 0.08 * (Math.sin(2 * Math.PI * 220 * t) + Math.sin(2 * Math.PI * 261.63 * t) + Math.sin(2 * Math.PI * 329.63 * t)); + } + for (let k = 0; k < KICKS; k++) { + const at = Math.round((0.25 + k * KICK_EVERY) * SR); + for (let i = 0; i < 0.15 * SR && at + i < n; i++) { + const t = i / SR; + const click = t < 0.003 ? 0.5 * Math.sin(2 * Math.PI * 3000 * t) * (1 - t / 0.003) : 0; + x[at + i] += click + 0.6 * Math.sin(2 * Math.PI * 60 * t) * Math.exp(-t / 0.04); + } + } + return x; +} + +function stretch(x) { + const Processor = load(); + const p = new Processor(); + const total = Math.round(x.length / TEMPO) + SR; + const out = new Float32Array(Math.ceil(total / BLOCK) * BLOCK); + const params = { tempo: new Float32Array([TEMPO]) }; + for (let pos = 0; pos < out.length; pos += BLOCK) { + const block = new Float32Array(BLOCK); + if (pos < x.length) block.set(x.subarray(pos, Math.min(pos + BLOCK, x.length))); + const inputs = Array.from({ length: INPUT_COUNT }, (_, k) => (k === ZERO_INPUT ? [block, block] : [])); + const l = new Float32Array(BLOCK); + const r = new Float32Array(BLOCK); + p.process(inputs, [[l, r]], params); + out.set(l, pos); + } + return out; +} + +/** + * Attack times in seconds: peaks of the click band's 1 ms envelope above a + * third of the loudest, at least 10 ms apart. The chord is too low to reach + * it, so each peak is a click, whether first played or replayed. + */ +function attacks(y) { + const hop = Math.round(SR * 0.001); + const env = []; + for (let i = hop; i + hop <= y.length; i += hop) { + let e = 0; + for (let j = 0; j < hop; j++) { + const d = y[i + j] - y[i + j - 1]; + e += d * d; + } + env.push(e); + } + const top = Math.max(...env); + const out = []; + for (let f = 1; f + 1 < env.length; f++) { + if (env[f] < top / 3 || env[f] < env[f - 1] || env[f] < env[f + 1]) continue; + const t = (f + 1) * hop / SR; + if (out.length && t - out.at(-1) < 0.01) continue; + out.push(t); + } + return out; +} + +const input = track(); +check('the probe sees every kick in the input', attacks(input).length === KICKS, `saw ${attacks(input).length}`); + +const found = attacks(stretch(input)); +check( + `every kick comes out once at ${TEMPO}x`, + found.length === KICKS, + `heard ${found.length} attacks for ${KICKS} kicks`, +); + +// Borrowed time is paid back, so each kick lands within the loan of where an +// exact clock puts it. The first kick fixes the stage's latency. +const shifts = found.slice(0, KICKS).map((t, k) => t - found[0] - (k * KICK_EVERY) / TEMPO); +const worst = Math.max(...shifts.map(Math.abs)); +check( + 'no kick drifts further than the borrow limit', + worst <= MAX_SHIFT, + `worst ${(worst * 1000).toFixed(1)} ms`, +); +check( + 'the last kick is back on the clock', + Math.abs(shifts.at(-1)) <= MAX_SHIFT, + `${(shifts.at(-1) * 1000).toFixed(1)} ms`, +); + +// Borrowing moves a chain's clock. The pitch stages are aligned sample for +// sample with the unpitched drums, so only the shared tempo stage may do it. +const enabled = [...SRC.matchAll(/new Wsola\([^)]*keepAttacks: true/g)].length; +const tempoStage = /this\._wsola = new Wsola\(sampleRate, \{ keepAttacks: true \}\)/.test(SRC); +check('only the shared tempo stage keeps attacks', enabled === 1 && tempoStage, `enabled in ${enabled} places`); + +console.log(`\n${passed}/${passed + failed} checks passed`); +process.exit(failed === 0 ? 0 : 1); diff --git a/tests/test_csp.py b/tests/test_csp.py index 53833ff5..9b8e1a11 100644 --- a/tests/test_csp.py +++ b/tests/test_csp.py @@ -40,7 +40,11 @@ def test_connect_src_allows_the_artist_and_lyrics_hosts_and_nothing_wider(): def test_script_src_stays_locked(): # Lock #171's intent: loosening connect-src must not weaken the XSS defense. - script = _csp_directive("script-src") + script = _csp_directive("script-src").split()[1:] assert "'self'" in script - assert "unsafe-inline" not in script - assert "unsafe-eval" not in script + assert "'unsafe-inline'" not in script + assert "'unsafe-eval'" not in script + # 'wasm-unsafe-eval' compiles WebAssembly and nothing else: JS eval, + # new Function and string timers stay blocked. The Signalsmith tempo stage + # needs it (#729). Anything beyond it here is a loosening to justify. + assert set(script) == {"'self'", "'wasm-unsafe-eval'"}