// Resume resumes a paused source.
func (s *Source) Resume() {
if s.isValid() && s.paused {
pool.mutex.Lock()
defer pool.mutex.Unlock()
al.PlaySources(s.source)
s.paused = false
}
}
// Play starts playing the source.
func (s *Source) Play() bool {
if s.IsPlaying() {
return true
}
if s.IsPaused() {
s.Resume()
return true
}
//claim a source for ourselves and make sure it worked
if !pool.claim(s) || !s.isValid() {
return false
}
pool.mutex.Lock()
defer pool.mutex.Unlock()
if s.isStatic {
s.source.SetBuffer(s.staticBuffer)
} else {
buffers := []al.Buffer{}
for i := 0; i < MAX_BUFFERS; i++ {
buffer := al.GenBuffers(1)[0]
if s.stream(buffer) > 0 {
buffers = append(buffers, buffer)
}
if s.decoder.IsFinished() {
break
}
}
if len(buffers) > 0 {
s.source.QueueBuffers(buffers...)
}
}
// This Source may now be associated with an OpenAL source that still has
// the properties of another Source. Let's reset it to the settings
// of the new one.
s.reset()
// Clear errors.
al.Error()
al.PlaySources(s.source)
// alSourcePlay may fail if the system has reached its limit of simultaneous
// playing sources.
return al.Error() == al.NoError
}