// Play buffers the source audio to the audio device and starts
// to play the source.
// If the player paused or stopped, it reuses the previously buffered
// resources to keep playing from the time it has paused or stopped.
func (p *Player) Play() error {
if p == nil {
return nil
}
// Prepares if the track hasn't been buffered before.
if err := p.prepare(0, false); err != nil {
return err
}
al.PlaySources(p.source)
return lastErr()
}
// Seek moves the play head to the given offset relative to the start of the source.
func (p *Player) Seek(offset time.Duration) error {
if p == nil {
return nil
}
if err := p.Stop(); err != nil {
return err
}
size := durToByteOffset(p.t, offset)
if err := p.prepare(size, true); err != nil {
return err
}
al.PlaySources(p.source)
return lastErr()
}