SPTCoreAudioControllerDelegate Protocol Reference
Provides delegate callbacks for SPTCoreAudioController.
Called repeatedly during audio playback when audio is pushed to the system’s audio output.
- (void)coreAudioController:(SPTCoreAudioController *)controller didOutputAudioOfDuration:(NSTimeInterval)audioDuration
The SPTCoreAudioController that pushed audio.
The duration of the audio that was pushed to the output device.
This can be used to keep track of how much audio has been played back for progress indicators and so on.