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audio: Refactoring

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This commit is contained in:
Hajime Hoshi 2017-12-23 18:39:14 +09:00
parent 04739a7249
commit 637ed0d965
1 changed files with 4 additions and 3 deletions
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7
audio/audio.go
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@ -587,9 +587,9 @@ func (p *Player) Pause() error {
func (p *Player) Current() time.Duration { func (p *Player) Current() time.Duration {
p.m.RLock() p.m.RLock()
sample := p.pos / bytesPerSample / channelNum sample := p.pos / bytesPerSample / channelNum
t := time.Duration(sample) * time.Second / time.Duration(p.sampleRate)
p.m.RUnlock() p.m.RUnlock()
return t
return time.Duration(sample) * time.Second / time.Duration(p.sampleRate)
} }
// Volume returns the current volume of this player [0-1]. // Volume returns the current volume of this player [0-1].
@ -603,11 +603,12 @@ func (p *Player) Volume() float64 {
// SetVolume sets the volume of this player. // SetVolume sets the volume of this player.
// volume must be in between 0 and 1. This function panics otherwise. // volume must be in between 0 and 1. This function panics otherwise.
func (p *Player) SetVolume(volume float64) { func (p *Player) SetVolume(volume float64) {
p.m.Lock()
// The condition must be true when volume is NaN. // The condition must be true when volume is NaN.
if !(0 <= volume && volume <= 1) { if !(0 <= volume && volume <= 1) {
panic("audio: volume must be in between 0 and 1") panic("audio: volume must be in between 0 and 1")
} }
p.m.Lock()
p.volume = volume p.volume = volume
p.m.Unlock() p.m.Unlock()
} }