From 50b7ec59d43184e9df54400817e5234249fc6216 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Wed, 30 Mar 2016 00:00:18 +0900
Subject: [PATCH] examples/audio: Reuse SE audio.Player object

---
 examples/audio/main.go | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/examples/audio/main.go b/examples/audio/main.go
index e63aff688..a9c3a11cc 100644
--- a/examples/audio/main.go
+++ b/examples/audio/main.go
@@ -18,7 +18,6 @@ import (
 	"bytes"
 	"fmt"
 	"image/color"
-	"io/ioutil"
 	"log"
 	"time"
 
@@ -63,7 +62,7 @@ var (
 	audioContext     *audio.Context
 	musicPlayer      *Player
 	seStream         *wav.Stream
-	seBuffer         []byte
+	sePlayer         *audio.Player
 	musicCh          = make(chan *Player)
 	seCh             = make(chan *wav.Stream)
 	mouseButtonState = map[ebiten.MouseButton]int{}
@@ -98,17 +97,17 @@ func (p *Player) updateSE() error {
 	if keyState[ebiten.KeyP] != 1 {
 		return nil
 	}
-	// Clone the buffer so that we can play the same SE mutiple times.
-	// TODO(hajimehoshi): This consumes memory. Can we avoid this?
-	if seBuffer == nil {
-		b, err := ioutil.ReadAll(seStream)
+	if sePlayer == nil {
+		var err error
+		sePlayer, err = audioContext.NewPlayer(seStream)
 		if err != nil {
 			return err
 		}
-		seBuffer = b
 	}
-	sePlayer, err := audioContext.NewPlayer(&SEStream{bytes.NewReader(seBuffer)})
-	if err != nil {
+	if sePlayer.IsPlaying() {
+		return nil
+	}
+	if err := sePlayer.Rewind(); err != nil {
 		return err
 	}
 	return sePlayer.Play()