129 lines
6.4 KiB
JavaScript
129 lines
6.4 KiB
JavaScript
// SonicForge TrackInstrument Service
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// Bọc engine per-track: playNote/noteOff theo TrackInstrumentCtx
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// (ch/program/synthEngine/sfId/bank/prog/dest) — dùng cho preview mọi nguồn
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// (keybed, piano roll, draw, hardware MIDI, click) qua UnifiedMidiRouter.
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// T15: native-first — SF track đi thẳng vào engine native (NativeAudioService
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// + SF host bridge), SonicSF WASM chỉ là fallback khi native không sẵn sàng.
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// Tạo mới mỗi note-on (overwrite registry) — voice cũ giữ engine cũ trong
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// tracker nên note-off luôn stop đúng channel.
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window.TrackInstrument = window.TrackInstrument || {};
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(function () {
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function TrackInstrument(trackId, ctx) {
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this.trackId = trackId;
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this.ch = ctx ? (ctx.ch != null ? ctx.ch : 0) : 0;
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this.program = ctx ? ctx.program : undefined;
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this.synthEngine = ctx ? ctx.synthEngine : undefined;
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this.sfId = ctx ? ctx.sfId : undefined;
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this.bank = ctx ? (ctx.bank || 0) : 0;
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this.prog = ctx ? (ctx.prog || 0) : 0;
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this.dest = ctx ? (ctx.dest || null) : null;
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}
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// Loại engine native cho track: 'sf' (soundfont), 'vst3'/'vst2' (VSTi có
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// plugin_id) hay null (không native được → fallback WASM/autosample).
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TrackInstrument.prototype._nativeKind = function () {
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try {
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if (this.sfId) return 'sf';
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if (window.SonicNativeAudio && this.synthEngine && this.synthEngine.plugin_id) {
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var t = String(this.synthEngine.type || '');
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if (t.indexOf('vst2') !== -1) return 'vst2';
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if (t.indexOf('vst3') !== -1 || t.indexOf('vst') !== -1) return 'vst3';
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}
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} catch (e) { }
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return null;
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};
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// Native engine sẵn sàng cho track? (sfId cho SF, plugin_id cho VSTi)
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TrackInstrument.prototype._nativeReady = function () {
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return this._nativeKind() !== null;
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};
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// Đảm bảo channel đã select đúng instrument trước khi play (fire-and-forget:
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// playNote tự load + retry nếu SF chưa load xong — dedup trong loadSoundFont).
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TrackInstrument.prototype._ensure = function () {
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try {
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if (!window.SonicSF || !window.SonicSF.selectInstrument) return;
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if (this.sfId) {
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window.SonicSF.selectInstrument(this.ch, this.bank, this.prog, this.sfId);
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} else if (this.program !== undefined) {
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window.SonicSF.selectInstrument(this.ch, 0, this.program, null);
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}
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} catch (e) {
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console.warn('[TrackInstrument] selectInstrument error:', e);
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}
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};
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// Phát qua SonicSF WASM (fallback khi native fail). SonicSF tự autosample
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// VSTi (soundfontPlayer._playNoteFluid) nên không cần ensure riêng ở đây.
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TrackInstrument.prototype._fallbackPlayNote = function (pitch, velocity, durationMs, startTime) {
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try {
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if (!window.SonicSF || !window.SonicSF.playNote) return;
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this._ensure();
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var durF = (durationMs != null ? durationMs : 500) || 500;
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window.SonicSF.playNote(pitch, velocity != null ? velocity : 0.8, durF, startTime, this.program, this.dest, this.ch, this.synthEngine);
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} catch (e) {
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console.warn('[TrackInstrument] fallback playNote error:', e);
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}
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};
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// velocity: router đã normalize int 1-127 (unifiedMidiRouter.normalizeVelocity).
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TrackInstrument.prototype.playNote = function (pitch, velocity, durationMs, startTime) {
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var vel = velocity != null ? velocity : 100;
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var kind = this._nativeKind();
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if (kind) {
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try {
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var self = this;
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var dur = (durationMs != null ? durationMs : 500) || 500;
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if (kind === 'sf') {
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// ensure native SF engine cho track (server dedup theo track_id)
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window.SonicNativeAudio.ensureSf(this.trackId, this.sfId, this.bank, this.prog)
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.catch(function () {});
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} else {
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// VSTi live native (Phase 2): ensure + note-on qua bridge DLL.
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// Server resolve plugin_id -> path; lỗi -> fallback WASM autosample.
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if (kind === 'vst3') {
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window.SonicNativeAudio.ensureVst3(this.trackId, this.synthEngine.plugin_id, this.synthEngine.plugin_path)
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.catch(function () {});
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} else {
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window.SonicNativeAudio.ensureVst2(this.trackId, this.synthEngine.plugin_id, this.synthEngine.plugin_path)
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.catch(function () {});
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}
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}
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window.SonicNativeAudio.noteOn(kind, this.trackId, this.ch, pitch, vel).catch(function (err) {
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// Native khong phat duoc (DLL/plugin loi) -> fallback WASM:
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// SF track di SonicSF, VSTi di autosample (SonicSF tu ensure).
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console.warn('[TrackInstrument] native noteOn fail -> WASM fallback:', err && err.message);
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self._fallbackPlayNote(pitch, velocity, dur, startTime);
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});
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// ponytail: TrackInstrument không biết audioCtx → bỏ startTime
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// offset (delay = duration); thêm scheduling chính xác khi cần
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setTimeout(function () { self.noteOff(pitch); }, dur + 40);
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return;
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} catch (e) {
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console.warn('[TrackInstrument] native playNote error:', e);
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}
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}
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// Fallback SonicSF (WASM)
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this._fallbackPlayNote(pitch, velocity, durationMs, startTime);
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};
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TrackInstrument.prototype.noteOff = function (pitch) {
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var kind = this._nativeKind();
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if (kind) {
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try {
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window.SonicNativeAudio.noteOff(kind, this.trackId, this.ch, pitch).catch(function () {
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// Native note-off fail -> stop qua WASM (neu note da fallback)
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try { if (window.SonicSF && window.SonicSF.stopNote) window.SonicSF.stopNote(this.ch, pitch); } catch (e) {}
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});
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} catch (e) {}
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}
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// Belt-and-suspenders: stopNote WASM vo hai neu khong co note dang phat.
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try {
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if (window.SonicSF && window.SonicSF.stopNote) window.SonicSF.stopNote(this.ch, pitch);
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} catch (e) {}
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};
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window.TrackInstrument = TrackInstrument;
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})();
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