play Sources
external fun playSources(sources: ArrayList<ISoundSource>, preferences: SoundPlayingPreferences, listener: ISoundPlayingListener): Int
Play the requested sounds list. The provided progress listener will be used also for canceling the play. A progress listener can be attached to only one play operation at a time. The player will release the source when no more needed.
Return
GemError.NoError Success
GemError.NotFound Sound list not found
GemError.InvalidInput Invalid sound list provided
GemError.NotSupported Sound list not supported
GemError.General Any other error