fix: fix a crash

zsien · zsien · commit dbbc25e57029 · 2024-04-30T08:18:47.000+08:00
判断 defaultSink 是否为 nil
diff --git a/audio1/audio_events.go b/audio1/audio_events.go
@@ -327,7 +327,7 @@ func (a *Audio) handleCardChanged(idx uint32) {
 	}
 
 	// 如果发生变化的是当前输出所用的声卡，且是蓝牙声卡
-	if idx == a.defaultSink.Card && isBluetoothCard(card.core) {
+	if a.defaultSink != nil && idx == a.defaultSink.Card && isBluetoothCard(card.core) {
 		if strings.Contains(strings.ToLower(card.ActiveProfile.Name), bluezModeA2dp) {
 			a.setPropBluetoothAudioMode(bluezModeA2dp)
 		} else if strings.Contains(strings.ToLower(card.ActiveProfile.Name), bluezModeHeadset) {

Original file line number	Diff line number	Diff line change
`@@ -327,7 +327,7 @@ func (a *Audio) handleCardChanged(idx uint32) {`
`327`	`327`	`}`
`328`	`328`
`329`	`329`	`// 如果发生变化的是当前输出所用的声卡，且是蓝牙声卡`
`330`		`- if idx == a.defaultSink.Card && isBluetoothCard(card.core) {`
	`330`	`+ if a.defaultSink != nil && idx == a.defaultSink.Card && isBluetoothCard(card.core) {`
`331`	`331`	`if strings.Contains(strings.ToLower(card.ActiveProfile.Name), bluezModeA2dp) {`
`332`	`332`	`a.setPropBluetoothAudioMode(bluezModeA2dp)`
`333`	`333`	`} else if strings.Contains(strings.ToLower(card.ActiveProfile.Name), bluezModeHeadset) {`