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audio: Refactoring: Remove initialize

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This commit is contained in:
Hajime Hoshi 2016-03-05 02:02:19 +09:00
parent 76386213bd
commit 6f562f1b0a
1 changed files with 6 additions and 15 deletions
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21
exp/audio/audio_js.go
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@ -34,32 +34,23 @@ type player struct {
var currentPlayer *player var currentPlayer *player
func initialize() bool { func startPlaying(src io.Reader, sampleRate int) error {
// Do nothing in node.js. // Do nothing in node.js.
if js.Global.Get("require") != js.Undefined { if js.Global.Get("require") != js.Undefined {
return false return nil
} }
if currentPlayer != nil || context != nil {
panic("audio: currentPlayer already exists")
}
class := js.Global.Get("AudioContext") class := js.Global.Get("AudioContext")
if class == js.Undefined { if class == js.Undefined {
class = js.Global.Get("webkitAudioContext") class = js.Global.Get("webkitAudioContext")
} }
if class == js.Undefined { if class == js.Undefined {
return false panic("audio: audio couldn't be initialized")
} }
context = class.New() context = class.New()
return true
}
func startPlaying(src io.Reader, sampleRate int) error {
if currentPlayer != nil {
panic("audio: currentPlayer already exists")
}
if context == nil {
if !initialize() {
panic("audio: audio couldn't be initialized")
}
}
currentPlayer = &player{ currentPlayer = &player{
src: src, src: src,