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fix: lazyInit in playNote, oscillator fallback 2s instead of 60s

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3dtours
2026-07-27 11:43:32 +07:00
parent 1829b61472
commit f7a46e0baa
1 changed files with 16 additions and 4 deletions
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app/static/js/services/soundfontPlayer.js
+16 -4
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@@ -173,7 +173,6 @@
stopNote: function (channel, pitch) {
if (channel < 0 || channel > 15) return;
if (_initialized && _synthInstance) {
try { _synthInstance.noteOff(channel, pitch, 127); } catch (e) {}
try { _synthInstance.noteOff(channel, pitch); } catch (e) {}
try { _synthInstance.noteOff(channel, pitch, 0); } catch (e) {}
try { _synthInstance.allNotesOff(channel); } catch (e) {}
@@ -182,11 +181,24 @@
},
playNote: function (note, velocity, durationMs, startTime, program, destinationNode, channel, synthEngine) {
if (_initialized && _synthInstance) {
this._playNoteSpessa(note, velocity, durationMs, startTime, program, channel, synthEngine);
if (!_initialized || !_synthInstance) {
// Try auto-init — create AudioContext + SpessaSynth
this._lazyInit();
// Use oscillator as fallback (short duration for keyboard preview)
this._playNoteOsc(note, velocity, 2000, startTime, program, destinationNode, channel, synthEngine);
return;
}
this._playNoteOsc(note, velocity, durationMs, startTime, program, destinationNode, channel, synthEngine);
this._playNoteSpessa(note, velocity, durationMs, startTime, program, channel, synthEngine);
},
_lazyInit: async function () {
if (_initialized && _synthInstance) return;
if (_initPromise) return;
try {
const ctx = new (window.AudioContext || window.webkitAudioContext)();
if (ctx.state === 'suspended') await ctx.resume();
await this.init(ctx);
} catch (e) {}
},
_playNoteSpessa: function (note, velocity, durationMs, startTime, program, channel, synthEngine) {