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examples/audio: Copy SE buffer only once

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This commit is contained in:
Hajime Hoshi 2016-03-27 19:23:55 +09:00
parent 27911b8156
commit 457581c8ad
1 changed files with 9 additions and 9 deletions
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14
examples/audio/main.go
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@ -18,7 +18,7 @@ import (
"bytes"
"fmt"
"image/color"
"io"
"io/ioutil"
"log"
"time"
@ -63,6 +63,7 @@ var (
audioContext *audio.Context
musicPlayer *Player
seStream *wav.Stream
seBuffer []byte
musicCh = make(chan *Player)
seCh = make(chan *wav.Stream)
mouseButtonState = map[ebiten.MouseButton]int{}
@ -88,15 +89,14 @@ func (p *Player) updateSE() error {
if keyState[ebiten.KeyP] != 1 {
return nil
}
// Clone the stream
b := &bytes.Buffer{}
if _, err := seStream.Seek(0, 0); err != nil {
if seBuffer == nil {
b, err := ioutil.ReadAll(seStream)
if err != nil {
return err
}
if _, err := io.Copy(b, seStream); err != nil {
return err
seBuffer = b
}
sePlayer, err := audioContext.NewPlayer(bytes.NewReader(b.Bytes()))
sePlayer, err := audioContext.NewPlayer(bytes.NewReader(seBuffer))
if err != nil {
return err
}