plays gigi d'agostino endlessly in under 50 lines of code

go.mod

@@ -0,0 +1,10 @@
+module futureblog.eu/andre/endless_mp3
+
+go 1.21.1
+
+require (
+	github.com/ebitengine/purego v0.4.1 // indirect
+	github.com/hajimehoshi/go-mp3 v0.3.4 // indirect
+	github.com/hajimehoshi/oto/v2 v2.4.2 // indirect
+	golang.org/x/sys v0.7.0 // indirect
+)

go.sum

@@ -0,0 +1,10 @@
+github.com/ebitengine/purego v0.4.1 h1:atcZEBdukuoClmy7TI89amtqAsJUzDQyY/JU7HaK+io=
+github.com/ebitengine/purego v0.4.1/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ=
+github.com/hajimehoshi/go-mp3 v0.3.4 h1:NUP7pBYH8OguP4diaTZ9wJbUbk3tC0KlfzsEpWmYj68=
+github.com/hajimehoshi/go-mp3 v0.3.4/go.mod h1:fRtZraRFcWb0pu7ok0LqyFhCUrPeMsGRSVop0eemFmo=
+github.com/hajimehoshi/oto/v2 v2.3.1/go.mod h1:seWLbgHH7AyUMYKfKYT9pg7PhUu9/SisyJvNTT+ASQo=
+github.com/hajimehoshi/oto/v2 v2.4.2 h1:uPZq5xEnOv8nIy4eMoDkakLb99YxoNv5XHL7Mm6zHwU=
+github.com/hajimehoshi/oto/v2 v2.4.2/go.mod h1:tINhdh4kCNJ8N19zqp0Lk/wMFv5WQJYkqnnEZ5W5WtE=
+golang.org/x/sys v0.0.0-20220712014510-0a85c31ab51e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
+golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

main.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"bytes"
+	"embed"
+	"io"
+
+	"github.com/hajimehoshi/go-mp3"
+	"github.com/hajimehoshi/oto/v2"
+)
+
+//go:embed "bla_bla_bla.mp3"
+var audioFile embed.FS
+
+func main() {
+    fileBytes, err := audioFile.ReadFile("bla_bla_bla.mp3")
+    if err != nil {
+        panic("reading bla_bla_bla.mp3 failed: " + err.Error())
+    }
+
+    fileBytesReader := bytes.NewReader(fileBytes)
+    decodedMp3, err := mp3.NewDecoder(fileBytesReader)
+    if err != nil {
+        panic("mp3.NewDecoder failed: " + err.Error())
+    }
+
+    // Remember that you should **not** create more than one context
+    otoCtx, readyChan, err := oto.NewContext(44100, 2, oto.FormatSignedInt16LE)
+    if err != nil {
+        panic("oto.NewContext failed: " + err.Error())
+    }
+    // It might take a bit for the hardware audio devices to be ready, so we wait on the channel.
+    <-readyChan
+
+    player := otoCtx.NewPlayer(decodedMp3)
+	defer player.Close()
+    
+    // Play starts playing the sound and returns without waiting for it (Play() is async).
+    player.Play()
+
+    // every time the player finishes playing, we rewind the file and play it again
+    for {
+		if !player.IsPlaying() {
+			player.(io.Seeker).Seek(0, io.SeekStart)
+			player.Play()
+		}
+	}
+}