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audio/internal/readerdriver: Refactoring

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This commit is contained in:
Hajime Hoshi 2021-03-28 23:27:47 +09:00
parent bf4c1e3d74
commit f0d7e16eb2
2 changed files with 17 additions and 17 deletions
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8
audio/internal/readerdriver/driver.go
View File

@ -35,3 +35,11 @@ type Player interface {
Err() error
io.Closer
}
type playerState int
const (
playerPaused playerState = iota
playerPlay
playerClosed
)

26
audio/internal/readerdriver/driver_js.go
View File

@ -87,19 +87,11 @@ func NewContext(sampleRate int, channelNum int, bitDepthInBytes int) (Context, e
return d, nil
}
type readerPlayerState int
const (
readerPlayerPaused readerPlayerState = iota
readerPlayerPlay
readerPlayerClosed
)
type playerImpl struct {
context *contextImpl
src io.Reader
eof bool
state readerPlayerState
state playerState
gain js.Value
err error
@ -140,7 +132,7 @@ func (c *contextImpl) MaxBufferSize() int {
}
func (p *playerImpl) Pause() {
if p.state != readerPlayerPlay {
if p.state != playerPlay {
return
}
@ -150,7 +142,7 @@ func (p *playerImpl) Pause() {
n.Call("stop")
n.Call("disconnect")
}
p.state = readerPlayerPaused
p.state = playerPaused
p.bufferSourceNodes = p.bufferSourceNodes[:0]
p.nextPos = 0
}
@ -165,7 +157,7 @@ func (p *playerImpl) appendBuffer(this js.Value, args []js.Value) interface{} {
}
}
if p.state != readerPlayerPlay {
if p.state != playerPlay {
return nil
}
@ -221,20 +213,20 @@ func (p *playerImpl) appendBuffer(this js.Value, args []js.Value) interface{} {
}
func (p *playerImpl) Play() {
if p.state != readerPlayerPaused {
if p.state != playerPaused {
return
}
p.state = readerPlayerPlay
p.state = playerPlay
p.appendBuffer(js.Undefined(), nil)
p.appendBuffer(js.Undefined(), nil)
}
func (p *playerImpl) IsPlaying() bool {
return p.state == readerPlayerPlay
return p.state == playerPlay
}
func (p *playerImpl) Reset() {
if p.state == readerPlayerClosed {
if p.state == playerClosed {
return
}
@ -266,7 +258,7 @@ func (p *playerImpl) Err() error {
func (p *playerImpl) Close() error {
runtime.SetFinalizer(p, nil)
p.Reset()
p.state = readerPlayerClosed
p.state = playerClosed
p.appendBufferFunc.Release()
return nil
}