func (hub *Hub) streamStep() {
r, err := os.Open(hub.track)
defer r.Close()
if err != nil {
log.Println(err)
return
}
d := mp3.NewDecoder(r)
var f mp3.Frame
for {
if err := d.Decode(&f); err != nil {
log.Println(err)
return
}
b := make([]byte, f.Size())
f.Reader().Read(b)
hub.SendMessage(b)
time.Sleep(f.Duration())
}
}
func (hub *Hub) TrackInfo() (mp3.Frame, error) {
var f mp3.Frame
r, err := os.Open(hub.track)
if err != nil {
log.Println(err)
return f, err
}
d := mp3.NewDecoder(r)
d.Decode(&f)
return f, nil
}
func getMp3Length(path string) (totalTime int64) {
// Returns length in milliseconds
r, err := os.Open(path)
if err != nil {
//fmt.Println(err)
return
}
d := mp3.NewDecoder(r)
var f mp3.Frame
totalTime = 0
for {
if err := d.Decode(&f); err != nil {
//fmt.Println(err)
return
}
totalTime += f.Duration().Nanoseconds() / 1000000
}
}
// NewMP3Reader returns a new MP3Reader that reads MP3 frames from r.
func NewMP3Reader(r io.Reader) *MP3Reader {
return &MP3Reader{d: mp3.NewDecoder(r)}
}