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fix invalid state error in safari when trying to stop background music

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jorsi
2020-06-21 13:53:08 -04:00
parent f6b7a35a32
commit 2a7f8441dd
1 changed files with 3 additions and 1 deletions
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script/audio.js
+3 -1
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@@ -70,7 +70,9 @@ var AudioEngine = {
var fadeTime = AudioEngine._audioContext.currentTime + AudioEngine.FADE_TIME; var fadeTime = AudioEngine._audioContext.currentTime + AudioEngine.FADE_TIME;
// fade out current background music // fade out current background music
if (AudioEngine._currentBackgroundMusic) { if (AudioEngine._currentBackgroundMusic &&
AudioEngine._currentBackgroundMusic.source &&
AudioEngine._currentBackgroundMusic.source.playbackState !== 0) {
var currentBackgroundGainValue = AudioEngine._currentBackgroundMusic.envelope.gain.value; var currentBackgroundGainValue = AudioEngine._currentBackgroundMusic.envelope.gain.value;
AudioEngine._currentBackgroundMusic.envelope.gain.cancelScheduledValues(AudioEngine._audioContext.currentTime); AudioEngine._currentBackgroundMusic.envelope.gain.cancelScheduledValues(AudioEngine._audioContext.currentTime);
AudioEngine._currentBackgroundMusic.envelope.gain.setValueAtTime(currentBackgroundGainValue, AudioEngine._audioContext.currentTime); AudioEngine._currentBackgroundMusic.envelope.gain.setValueAtTime(currentBackgroundGainValue, AudioEngine._audioContext.currentTime);