From 4b98fb248f5fe9ca6db71b282ffb87a9b9a388fc Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Thu, 7 Sep 2017 11:27:51 +0900
Subject: [PATCH] Add examples/audioinfiniteloop

---
 examples/audioinfiniteloop/main.go | 84 ++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 examples/audioinfiniteloop/main.go

diff --git a/examples/audioinfiniteloop/main.go b/examples/audioinfiniteloop/main.go
new file mode 100644
index 000000000..34210deb1
--- /dev/null
+++ b/examples/audioinfiniteloop/main.go
@@ -0,0 +1,84 @@
+// Copyright 2017 The Ebiten Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build example
+
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/hajimehoshi/ebiten"
+	"github.com/hajimehoshi/ebiten/audio"
+	"github.com/hajimehoshi/ebiten/audio/wav"
+	"github.com/hajimehoshi/ebiten/ebitenutil"
+)
+
+const (
+	screenWidth  = 320
+	screenHeight = 240
+	sampleRate   = 44100
+)
+
+var audioContext *audio.Context
+
+func init() {
+	var err error
+	audioContext, err = audio.NewContext(sampleRate)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+var player *audio.Player
+
+func update(screen *ebiten.Image) error {
+	if player == nil {
+		wavF, err := ebitenutil.OpenFile("_resources/audio/jab.wav")
+		if err != nil {
+			return err
+		}
+
+		wavS, err := wav.Decode(audioContext, wavF)
+		if err != nil {
+			return err
+		}
+
+		s := audio.NewInfiniteLoop(wavS, wavS.Size())
+
+		player, err = audio.NewPlayer(audioContext, s)
+		if err != nil {
+			return err
+		}
+		player.Play()
+	}
+	if err := audioContext.Update(); err != nil {
+		return err
+	}
+
+	if ebiten.IsRunningSlowly() {
+		return nil
+	}
+
+	msg := fmt.Sprintf("FPS: %0.2f\nThis is an example using audio.NewInfiniteLoop.", ebiten.CurrentFPS())
+	ebitenutil.DebugPrint(screen, msg)
+	return nil
+}
+
+func main() {
+	if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Audio Infinite Loop (Ebiten Demo)"); err != nil {
+		log.Fatal(err)
+	}
+}