Audio skeleton

audio/audio.go

@@ -0,0 +1,64 @@
+package audio
+
+import (
+	"github.com/ebitengine/oto/v3"
+	"log"
+	"os"
+	"time"
+)
+
+var (
+	hasSetup = false
+	audio    Audio
+)
+
+type Audio struct {
+	AudioContext *oto.Context
+}
+
+func setup() {
+	var ctxOptions = oto.NewContextOptions{
+		SampleRate:   44100,
+		ChannelCount: 2,
+		Format:       oto.FormatSignedInt16LE,
+		BufferSize:   0,
+	}
+
+	var ready = make(chan struct{})
+	var err error
+	audio.AudioContext, ready, err = oto.NewContext(&ctxOptions)
+	if err != nil {
+		log.Println(err)
+		return
+	}
+	<-ready // Wait for the context to be ready
+}
+
+func Play() {
+	if !hasSetup {
+		setup()
+		hasSetup = true
+	}
+
+	var b, err = os.Open("sample.wav")
+	if err != nil {
+		log.Println(err)
+		return
+	}
+	var player = audio.AudioContext.NewPlayer(b)
+	player.Play()
+	// Wait for the player to finish
+	for player.IsPlaying() {
+		time.Sleep(time.Millisecond)
+	}
+	err = player.Close()
+	if err != nil {
+		log.Println(err)
+		return
+	}
+	err = b.Close()
+	if err != nil {
+		log.Println(err)
+		return
+	}
+}