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audio/internal/readerdriver: Implement {,Set}Volume for macOS

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This commit is contained in:
Hajime Hoshi 2021-05-09 05:36:03 +09:00
parent 9df1092507
commit 22567d20b6
1 changed files with 24 additions and 4 deletions
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28
audio/internal/readerdriver/driver_darwin.go
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@ -97,6 +97,7 @@ type playerImpl struct {
eof bool eof bool
cond *sync.Cond cond *sync.Cond
started bool started bool
volume float64
} }
type players struct { type players struct {
@ -186,6 +187,7 @@ func (c *context) NewPlayer(src io.Reader) Player {
context: c, context: c,
src: src, src: src,
cond: sync.NewCond(&sync.Mutex{}), cond: sync.NewCond(&sync.Mutex{}),
volume: 1,
}, },
} }
runtime.SetFinalizer(p, (*player).Close) runtime.SetFinalizer(p, (*player).Close)
@ -258,6 +260,9 @@ func (p *playerImpl) Play() {
buf.mAudioDataByteSize = C.UInt32(size) buf.mAudioDataByteSize = C.UInt32(size)
p.unqueuedBufs = append(p.unqueuedBufs, buf) p.unqueuedBufs = append(p.unqueuedBufs, buf)
} }
C.AudioQueueSetParameter(p.audioQueue, C.kAudioQueueParam_Volume, C.AudioQueueParameterValue(p.volume))
runLoop = true runLoop = true
} }
@ -374,13 +379,28 @@ func (p *playerImpl) IsPlaying() bool {
} }
func (p *player) Volume() float64 { func (p *player) Volume() float64 {
// TODO: Implement this return p.p.Volume()
// See AudioQueueSetParameter }
return 1
func (p *playerImpl) Volume() float64 {
p.cond.L.Lock()
defer p.cond.L.Unlock()
return p.volume
} }
func (p *player) SetVolume(volume float64) { func (p *player) SetVolume(volume float64) {
// TODO: Implement this p.p.SetVolume(volume)
}
func (p *playerImpl) SetVolume(volume float64) {
p.cond.L.Lock()
defer p.cond.L.Unlock()
p.volume = volume
if p.audioQueue == nil {
return
}
C.AudioQueueSetParameter(p.audioQueue, C.kAudioQueueParam_Volume, C.AudioQueueParameterValue(volume))
} }
func (p *player) UnplayedBufferSize() int64 { func (p *player) UnplayedBufferSize() int64 {