443 lines
24 KiB
JavaScript
443 lines
24 KiB
JavaScript
(function () {
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'use strict';
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const activeOscillators = {};
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let __gainNode = null;
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const getCtx = () => {
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if (typeof getAudioContext === 'function') {
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const ctx = getAudioContext();
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if (!__gainNode) {
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__gainNode = ctx.createGain();
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__gainNode.gain.value = 0.3;
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__gainNode.connect(ctx.destination);
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}
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return ctx;
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}
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if (!window.__sharedAudioCtx) {
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window.__sharedAudioCtx = new (window.AudioContext || window.webkitAudioContext)();
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}
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if (window.__sharedAudioCtx.state === 'suspended') {
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window.__sharedAudioCtx.resume();
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}
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if (!__gainNode) {
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__gainNode = window.__sharedAudioCtx.createGain();
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__gainNode.gain.value = 0.3;
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__gainNode.connect(window.__sharedAudioCtx.destination);
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}
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return window.__sharedAudioCtx;
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};
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const _channels = Array.from({ length: 16 }, () => ({ bank: 0, program: 0, isPercussion: false }));
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let _nextMelodicChannel = 0;
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let _synthInstance = null;
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let _initialized = false;
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let _currentSfId = null;
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// ── SpessaSynth addSoundBank wrapper with timeout ──
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async function _addBankWithTimeout(synth, buffer, sfId, timeoutMs) {
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console.log("[SonicSF][DEBUG] _addBankWithTimeout start sfId=" + sfId + " size=" + buffer.byteLength + " timeout=" + timeoutMs);
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return new Promise((resolve) => {
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const timer = setTimeout(() => {
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console.warn("[SonicSF][DEBUG] _addBankWithTimeout TIMEOUT after " + timeoutMs + "ms for " + sfId);
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resolve(false);
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}, timeoutMs);
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synth.soundBankManager.addSoundBank(buffer.slice(0), sfId).then(() => {
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clearTimeout(timer);
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const bl = synth.soundBankManager?.soundBankList?.length ?? 0;
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console.log("[SonicSF][DEBUG] _addBankWithTimeout SUCCESS for " + sfId + " banks=" + bl);
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resolve(true);
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}).catch((err) => {
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clearTimeout(timer);
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console.error("[SonicSF][DEBUG] _addBankWithTimeout REJECTED for " + sfId + " error=" + err);
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resolve(false);
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});
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});
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}
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const SonicSF = {
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loadedFonts: {},
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// ════════════════════════════════════════════════
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// PHASE 1: Init SpessaSynth
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// ════════════════════════════════════════════════
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init: async function (audioContext) {
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console.log("[SonicSF][DEBUG] PHASE1: init start");
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if (!window.SpessaSynthClass || !window.__SpessaSynthCDN) {
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console.warn("[SonicSF][DEBUG] PHASE1: SpessaSynth CDN not available");
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return;
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}
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try {
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console.log("[SonicSF][DEBUG] PHASE1: loading worklet from " + window.__SpessaSynthCDN + "spessasynth_processor.min.js");
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const procUrl = window.__SpessaSynthCDN + "spessasynth_processor.min.js";
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await audioContext.audioWorklet.addModule(procUrl);
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console.log("[SonicSF][DEBUG] PHASE1: worklet loaded, creating WorkletSynthesizer");
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_synthInstance = new window.SpessaSynthClass(audioContext);
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console.log("[SonicSF][DEBUG] PHASE1: connecting to destination");
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_synthInstance.connect(audioContext.destination);
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console.log("[SonicSF][DEBUG] PHASE1: awaiting isReady");
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await _synthInstance.isReady;
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_initialized = true;
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console.log("[SonicSF][DEBUG] PHASE1: SpessaSynth engine ready. isReady resolved.");
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} catch (e) {
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console.warn("[SonicSF][DEBUG] PHASE1: AudioWorklet failed:", e);
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try {
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console.log("[SonicSF][DEBUG] PHASE1: trying WorkerSynthesizer");
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const mod = await import("https://cdn.jsdelivr.net/npm/spessasynth_lib@4.3.1/dist/index.js");
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_synthInstance = new mod.WorkerSynthesizer(audioContext);
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_synthInstance.connect(audioContext.destination);
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await _synthInstance.isReady;
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_initialized = true;
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console.log("[SonicSF][DEBUG] PHASE1: WorkerSynthesizer ready.");
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} catch (e2) {
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console.error("[SonicSF][DEBUG] PHASE1: All paths failed:", e2);
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}
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}
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},
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// ════════════════════════════════════════════════
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// PHASE 2: Load SF → IndexedDB → SpessaSynth
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// ════════════════════════════════════════════════
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loadSoundFont: async function (sfId) {
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console.log("[SonicSF][DEBUG] PHASE2: loadSoundFont start sfId=" + sfId + " _initialized=" + _initialized + " _currentSfId=" + _currentSfId);
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if (!_initialized || !_synthInstance) {
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console.log("[SonicSF][DEBUG] PHASE2: engine not ready, returning false");
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return false;
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}
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if (_currentSfId === sfId) {
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console.log("[SonicSF][DEBUG] PHASE2: already loaded, returning true");
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return true;
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}
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let buffer = null;
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// Step 2a: Check IndexedDB cache
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if (window.SonicSFStorage) {
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console.log("[SonicSF][DEBUG] PHASE2a: checking IndexedDB for " + sfId);
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buffer = await window.SonicSFStorage.getBuffer(sfId);
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if (buffer) {
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console.log("[SonicSF][DEBUG] PHASE2a: IndexedDB HIT size=" + buffer.byteLength);
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} else {
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console.log("[SonicSF][DEBUG] PHASE2a: IndexedDB MISS");
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}
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}
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// Step 2b: Download from server
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if (!buffer) {
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try {
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const url = "/api/v1/plugins/soundfonts/download/" + encodeURIComponent(sfId) + "?t=" + Date.now();
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console.log("[SonicSF][DEBUG] PHASE2b: fetching from server url=" + url);
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const resp = await fetch(url);
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console.log("[SonicSF][DEBUG] PHASE2b: server response status=" + resp.status + " type=" + resp.headers.get("content-type") + " size=" + resp.headers.get("content-length"));
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if (!resp.ok) throw new Error("HTTP " + resp.status);
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buffer = await resp.arrayBuffer();
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console.log("[SonicSF][DEBUG] PHASE2b: downloaded " + buffer.byteLength + " bytes for " + sfId);
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// Step 2c: Save to IndexedDB
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if (window.SonicSFStorage) {
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console.log("[SonicSF][DEBUG] PHASE2c: saving to IndexedDB");
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await window.SonicSFStorage.saveBuffer(sfId, buffer);
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console.log("[SonicSF][DEBUG] PHASE2c: saved to IndexedDB OK");
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}
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} catch (e) {
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console.error("[SonicSF][DEBUG] PHASE2b: download FAILED for " + sfId + ": " + e);
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return false;
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}
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}
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// Step 2d: Load ArrayBuffer into SpessaSynth Engine
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console.log("[SonicSF][DEBUG] PHASE2d: calling addSoundBank for " + sfId + " size=" + buffer.byteLength);
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const ok = await _addBankWithTimeout(_synthInstance, buffer, sfId, 15000);
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if (ok) {
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_currentSfId = sfId;
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const bankCount = _synthInstance.soundBankManager?.soundBankList?.length ?? 0;
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console.log("[SonicSF][DEBUG] PHASE2d: addSoundBank SUCCESS. _currentSfId=" + _currentSfId + " total banks=" + bankCount);
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// Try to enumerate presets from loaded bank
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try {
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const sb = _synthInstance.soundBankManager?.soundBankList?.[0]?.soundBank;
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if (sb) {
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const allKeys = Object.keys(sb);
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console.log("[SonicSF][DEBUG] PHASE2d: soundBank keys=" + JSON.stringify(allKeys.slice(0, 20)));
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console.log("[SonicSF][DEBUG] PHASE2d: soundBank.presets length=" + (sb.presets?.length ?? "undefined"));
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console.log("[SonicSF][DEBUG] PHASE2d: soundBank.instruments length=" + (sb.instruments?.length ?? "undefined"));
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console.log("[SonicSF][DEBUG] PHASE2d: soundBank.samples length=" + (sb.samples?.length ?? "undefined"));
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console.log("[SonicSF][DEBUG] PHASE2d: soundBank._presetList length=" + (sb._presetList?.length ?? "undefined"));
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if (sb.presets && sb.presets.length > 0) {
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console.log("[SonicSF][DEBUG] PHASE2d: presets in loaded bank=" + sb.presets.length);
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for (let i = 0; i < Math.min(sb.presets.length, 10); i++) {
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const p = sb.presets[i];
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const pk = Object.keys(p).slice(0, 8);
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console.log("[SonicSF][DEBUG] PHASE2d: preset[" + i + "] name=" + p.name + " keys=" + JSON.stringify(pk) + " bank=" + p.bankMSB + "/" + p.bankLSB + " prog=" + p.program + " drum=" + p.isGMGSDrum);
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}
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} else {
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console.warn("[SonicSF][DEBUG] PHASE2d: soundBank.presets is EMPTY — parser didn't extract presets");
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}
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} else {
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console.warn("[SonicSF][DEBUG] PHASE2d: soundBankList[0] is EMPTY");
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}
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} catch (e) {
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console.warn("[SonicSF][DEBUG] PHASE2d: preset enumeration failed:", e);
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}
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return true;
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} else {
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console.warn("[SonicSF][DEBUG] PHASE2d: addSoundBank FAILED for " + sfId + ". Clearing IndexedDB cache.");
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if (window.SonicSFStorage) {
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try {
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const db = await window.SonicSFStorage.openDB();
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const tx = db.transaction(window.SonicSFStorage.storeName, "readwrite");
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tx.objectStore(window.SonicSFStorage.storeName).delete(sfId);
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} catch (ce) {}
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}
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_currentSfId = null;
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return false;
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}
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},
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// ════════════════════════════════════════════════
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// PHASE 3: Set up MIDI Channel (bank/program route)
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// ════════════════════════════════════════════════
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selectInstrument: async function (channel, bank, program, sfId) {
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console.log("[SonicSF][DEBUG] PHASE3: selectInstrument ch=" + channel + " bank=" + bank + " prog=" + program + " sf=" + sfId + " _initialized=" + _initialized);
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// Auto-init: create AudioContext + init SpessaSynth if not ready
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if (!_initialized || !_synthInstance) {
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console.log("[SonicSF][DEBUG] PHASE3: engine not ready, triggering init...");
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try {
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const ctx = new (window.AudioContext || window.webkitAudioContext)();
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if (ctx.state === 'suspended') await ctx.resume();
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await this.init(ctx);
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} catch (e) {
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console.error("[SonicSF][DEBUG] PHASE3: auto-init failed:", e);
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return;
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}
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if (!_initialized || !_synthInstance) {
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console.warn("[SonicSF][DEBUG] PHASE3: engine still not ready after auto-init");
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return;
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}
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console.log("[SonicSF][DEBUG] PHASE3: auto-init complete");
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}
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// Phase 2 first: ensure SoundFont is loaded
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if (sfId) {
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const loaded = await this.loadSoundFont(sfId);
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if (!loaded) {
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console.warn("[SonicSF][DEBUG] PHASE3: loadSoundFont returned false, no bank to select");
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return;
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}
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}
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// Send CC0 + CC32 + Program Change
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console.log("[SonicSF][DEBUG] PHASE3: sending controllerChange(ch=" + channel + ", cc=0, val=" + bank + ")");
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try { _synthInstance.controllerChange(channel, 0, bank); } catch (e) { console.warn("[SonicSF][DEBUG] PHASE3: CC0 error:", e); }
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console.log("[SonicSF][DEBUG] PHASE3: sending controllerChange(ch=" + channel + ", cc=32, val=0)");
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try { _synthInstance.controllerChange(channel, 32, 0); } catch (e) { console.warn("[SonicSF][DEBUG] PHASE3: CC32 error:", e); }
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console.log("[SonicSF][DEBUG] PHASE3: sending programChange(ch=" + channel + ", prog=" + program + ")");
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try { _synthInstance.programChange(channel, program); } catch (e) { console.warn("[SonicSF][DEBUG] PHASE3: progChange error:", e); }
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// Update internal SonicSF state
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this.controllerChange(channel, 0, bank);
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this.programChange(channel, program);
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// Verify the sound bank list
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const bl = _synthInstance.soundBankManager?.soundBankList?.length ?? 0;
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console.log("[SonicSF][DEBUG] PHASE3: complete. total banks=" + bl + " _currentSfId=" + _currentSfId);
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},
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// ════════════════════════════════════════════════
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// PHASE 4: Play Note
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// ════════════════════════════════════════════════
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controllerChange: function (channel, controller, value) {
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if (channel < 0 || channel > 15) return;
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if (_initialized && _synthInstance) {
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try { _synthInstance.controllerChange(channel, controller, value); } catch (e) {}
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}
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if (controller === 0) {
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_channels[channel].bank = value;
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_channels[channel].isPercussion = (value === 128);
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}
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},
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programChange: function (channel, program) {
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if (channel < 0 || channel > 15) return;
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if (_initialized && _synthInstance) {
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try { _synthInstance.programChange(channel, program); } catch (e) {}
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}
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_channels[channel].program = program;
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},
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allocateChannel: function (bank) {
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if (bank === 128) return 9;
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const ch = _nextMelodicChannel % 9;
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_nextMelodicChannel = (_nextMelodicChannel + 1) % 9;
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return ch;
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},
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applyAITrackInstrument: function (bank, program, synthEngine) {
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if (synthEngine) {
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bank = bank !== undefined ? bank : (synthEngine.soundfont_bank || 0);
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program = program !== undefined ? program : (synthEngine.soundfont_program || 0);
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}
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const channel = this.allocateChannel(bank);
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this.selectInstrument(channel, bank, program, synthEngine?.soundfont_id);
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return channel;
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},
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getChannelState: function (channel) {
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if (channel < 0 || channel > 15) return null;
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return { ..._channels[channel] };
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},
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playNote: function (note, velocity, durationMs, startTime, program, destinationNode, channel, synthEngine) {
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if (_initialized && _synthInstance && _currentSfId) {
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if (synthEngine) {
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const ch = channel !== undefined ? channel : (synthEngine.soundfont_bank === 128 ? 9 : 0);
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try { _synthInstance.controllerChange(ch, 0, synthEngine.soundfont_bank || 0); } catch (e) {}
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try { _synthInstance.controllerChange(ch, 32, 0); } catch (e) {}
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try { _synthInstance.programChange(ch, synthEngine.soundfont_program || 0); } catch (e) {}
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if (channel === undefined) channel = ch;
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}
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if (channel === undefined) channel = 0;
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console.log("[SonicSF][DEBUG] PHASE4: playNote via SpessaSynth ch=" + channel + " note=" + note + " vel=" + velocity + " _currentSfId=" + _currentSfId);
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try {
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this._playNoteSpessa(note, velocity, durationMs, channel);
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return;
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} catch (e) {
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console.warn("[SonicSF][DEBUG] PHASE4: SpessaSynth play failed, oscillator fallback:", e);
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}
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} else {
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console.log("[SonicSF][DEBUG] PHASE4: playNote via oscillator (init=" + _initialized + " sf=" + _currentSfId + ")");
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}
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this._playNoteOsc(note, velocity, durationMs, startTime, program, destinationNode, channel, synthEngine);
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},
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_playNoteSpessa: function (note, velocity, durationMs, channel) {
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const ctx = getCtx();
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const midiPitch = Math.min(127, Math.max(0, parseInt(note) || 60));
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const midiVel = Math.min(127, Math.max(1, Math.floor(
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typeof velocity === 'number' ? (velocity > 1 ? velocity : velocity * 127) : 100
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)));
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const durSec = durationMs / 1000;
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console.log("[SonicSF][DEBUG] PHASE4: noteOn ch=" + channel + " pitch=" + midiPitch + " vel=" + midiVel + " banks=" + (_synthInstance.soundBankManager?.soundBankList?.length ?? 0));
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const doNoteOn = () => {
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try {
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_synthInstance.noteOn(channel, midiPitch, midiVel);
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setTimeout(() => { try { _synthInstance.noteOff(channel, midiPitch); } catch (e) {} }, durSec * 1000);
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} catch (e) {
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console.warn("[SonicSF][DEBUG] PHASE4: noteOn threw:", e);
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}
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};
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doNoteOn();
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},
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_playNoteOsc: function (note, velocity, durationMs, startTime, program, destinationNode, channel, synthEngine) {
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const ctx = getCtx();
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const freq = 440 * Math.pow(2, (note - 69) / 12);
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if (freq <= 0 || isNaN(freq)) return null;
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if (synthEngine) {
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const ch = channel !== undefined ? channel : (synthEngine.soundfont_bank === 128 ? 9 : 0);
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this.controllerChange(ch, 0, synthEngine.soundfont_bank || 0);
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this.programChange(ch, synthEngine.soundfont_program || 0);
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if (channel === undefined) channel = ch;
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if (program === undefined) program = synthEngine.soundfont_program;
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}
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const osc = ctx.createOscillator();
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const noteGain = ctx.createGain();
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let oscType = 'triangle';
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let attackTime = 0.03, decayTime = 0.1, sustainLevel = 0.5, releaseTime = 0.2, volFactor = 0.25;
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let prog = program !== undefined ? parseInt(program) : 0;
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if (channel !== undefined && channel >= 0 && channel < 16) {
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const chState = _channels[channel];
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prog = chState.program || prog;
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}
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if (prog >= 0 && prog <= 7) {
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oscType = 'sine';
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decayTime = 0.3; sustainLevel = 0.1; releaseTime = 0.2;
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} else if (prog >= 8 && prog <= 15) {
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oscType = 'sine';
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decayTime = 0.1; sustainLevel = 0.0; releaseTime = 0.1;
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} else if (prog >= 16 && prog <= 23) {
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oscType = 'sine';
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attackTime = 0.05; sustainLevel = 0.8; releaseTime = 0.1;
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} else if (prog >= 24 && prog <= 31) {
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oscType = 'triangle';
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decayTime = 0.4; sustainLevel = 0.2; releaseTime = 0.3;
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} else if (prog >= 32 && prog <= 39) {
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oscType = 'triangle';
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attackTime = 0.02; decayTime = 0.2; sustainLevel = 0.6; releaseTime = 0.2;
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} else if (prog >= 40 && prog <= 47) {
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oscType = 'sawtooth';
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attackTime = 0.15; sustainLevel = 0.8; releaseTime = 0.5; volFactor = 0.15;
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} else if (prog >= 48 && prog <= 55) {
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oscType = 'sawtooth';
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attackTime = 0.2; sustainLevel = 0.8; releaseTime = 0.6; volFactor = 0.12;
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} else if (prog >= 56 && prog <= 63) {
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oscType = 'sawtooth';
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attackTime = 0.08; sustainLevel = 0.7; releaseTime = 0.3; volFactor = 0.15;
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} else if (prog >= 64 && prog <= 71) {
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oscType = 'square';
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attackTime = 0.05; sustainLevel = 0.6; releaseTime = 0.2; volFactor = 0.15;
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} else if (prog >= 72 && prog <= 79) {
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oscType = 'sine';
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attackTime = 0.1; sustainLevel = 0.7; releaseTime = 0.3; volFactor = 0.2;
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} else if (prog >= 80 && prog <= 119) {
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oscType = 'sawtooth';
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attackTime = 0.05; sustainLevel = 0.6; releaseTime = 0.4; volFactor = 0.15;
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}
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osc.type = oscType;
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osc.frequency.setValueAtTime(freq, 0);
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const startAt = startTime !== undefined ? startTime : ctx.currentTime;
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const durSec = durationMs / 1000;
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const vel = typeof velocity === 'number' ? (velocity > 1 ? velocity / 127 : velocity) : 0.8;
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const targetGain = vel * volFactor;
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noteGain.gain.setValueAtTime(0, startAt);
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noteGain.gain.linearRampToValueAtTime(targetGain, startAt + attackTime);
|
|
noteGain.gain.linearRampToValueAtTime(targetGain * sustainLevel, startAt + attackTime + decayTime);
|
|
const releaseStart = startAt + Math.max(attackTime + decayTime, durSec);
|
|
noteGain.gain.linearRampToValueAtTime(targetGain * sustainLevel, releaseStart);
|
|
noteGain.gain.linearRampToValueAtTime(0, releaseStart + releaseTime);
|
|
|
|
osc.connect(noteGain);
|
|
noteGain.connect(destinationNode || __gainNode || ctx.destination);
|
|
osc.start(startAt);
|
|
const stopAt = releaseStart + releaseTime + 0.02;
|
|
osc.stop(stopAt);
|
|
|
|
const oscId = `${note}_${Date.now()}_${Math.random()}`;
|
|
activeOscillators[oscId] = { osc, gain: noteGain };
|
|
setTimeout(() => { delete activeOscillators[oscId]; }, (stopAt - ctx.currentTime) * 1000 + 100);
|
|
return osc;
|
|
},
|
|
|
|
stopAll: function () {
|
|
if (_initialized && _synthInstance) {
|
|
try { for (let ch = 0; ch < 16; ch++) _synthInstance.allNotesOff(ch); } catch (e) {}
|
|
}
|
|
const ctx = getCtx();
|
|
const now = ctx.currentTime;
|
|
Object.values(activeOscillators).forEach(entry => {
|
|
try {
|
|
if (entry.gain) { entry.gain.gain.cancelScheduledValues(now); entry.gain.gain.setValueAtTime(0, now); }
|
|
if (entry.osc) try { entry.osc.stop(now); } catch (e) { }
|
|
} catch (e) { }
|
|
});
|
|
Object.keys(activeOscillators).forEach(k => delete activeOscillators[k]);
|
|
},
|
|
|
|
saveToIndexedDB: async function (name, arrayBuffer) {
|
|
if (window.SonicStorage && window.SonicStorage.saveToIndexedDB) {
|
|
await window.SonicStorage.saveToIndexedDB('soundfont_' + name, arrayBuffer);
|
|
}
|
|
},
|
|
|
|
loadFromIndexedDB: async function (name) {
|
|
if (window.SonicStorage && window.SonicStorage.loadFromIndexedDB) {
|
|
return await window.SonicStorage.loadFromIndexedDB('soundfont_' + name);
|
|
}
|
|
return null;
|
|
}
|
|
};
|
|
|
|
window.SonicSF = SonicSF;
|
|
})();
|