Added basic music playback + tui

pkg/track_player.go

@@ -0,0 +1,32 @@
+package gomus
+
+import (
+	"io"
+	"time"
+
+	"github.com/faiface/beep"
+	"github.com/faiface/beep/flac"
+	"github.com/faiface/beep/speaker"
+)
+
+type trackPlayer struct {
+	currentStream beep.StreamSeekCloser
+}
+
+func (t trackPlayer) play(reader io.Reader) {
+	if t.currentStream != nil {
+		t.currentStream.Close()
+	}
+	streamer, format, err := flac.Decode(reader)
+	check(err)
+
+	err = speaker.Init(format.SampleRate, format.SampleRate.N(time.Second/10))
+	check(err)
+
+	speaker.Play(streamer)
+	t.currentStream = streamer
+}
+
+func (t trackPlayer) close() {
+	t.currentStream.Close()
+}