gofin/main.go

package main

import (
	"bytes"
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/widget"
	"github.com/ebitengine/oto/v3"
	"os"
)

func main() {
	var a = app.New()
	var btn = widget.NewButton("Play", func() {
		var b, _ = os.ReadFile("sample.wav")
		// create reader from bytes
		var reader = bytes.NewReader(b)
		var ctxOptions = oto.NewContextOptions{
			SampleRate:   44100,
			ChannelCount: 2,
			Format:       oto.FormatSignedInt16LE,
			BufferSize:   0,
		}
		var ctx, ready, _ = oto.NewContext(&ctxOptions)
		<-ready // Wait for the context to be ready
		var player = ctx.NewPlayer(reader)
		player.Play()
	},
	)
	var w = a.NewWindow("Hello")
	w.SetContent(btn)
	w.ShowAndRun()
}