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audio: Refactoring

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This commit is contained in:
Hajime Hoshi 2017-08-17 11:15:04 +09:00
parent ba75592807
commit 3216d50460
1 changed files with 8 additions and 4 deletions
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12
audio/audio.go
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@ -200,15 +200,13 @@ func NewContext(sampleRate int) (*Context, error) {
c := &Context{ c := &Context{
sampleRate: sampleRate, sampleRate: sampleRate,
errCh: make(chan error, 1), errCh: make(chan error, 1),
initCh: make(chan struct{}),
initedCh: make(chan struct{}),
} }
theContext = c theContext = c
c.players = &players{ c.players = &players{
players: map[*Player]struct{}{}, players: map[*Player]struct{}{},
} }
go c.loop(c.initCh) go c.loop()
return c, nil return c, nil
} }
@ -232,7 +230,13 @@ func (c *Context) ping() {
c.m.Unlock() c.m.Unlock()
} }
func (c *Context) loop(initCh <-chan struct{}) { func (c *Context) loop() {
c.initCh = make(chan struct{})
c.initedCh = make(chan struct{})
// Copy the channel since c.initCh can be set as nil after clock.RegisterPing.
initCh := c.initCh
clock.RegisterPing(c.ping) clock.RegisterPing(c.ping)
// Initialize oto.Player lazily to enable calling NewContext in an 'init' function. // Initialize oto.Player lazily to enable calling NewContext in an 'init' function.