Starts the playback loop on a background thread. Delivers frames every [PlaybackDataset.frameInterval] seconds; at end of dataset wraps to index 0. No-op if already playing.
Starts the playback loop on a background thread. Delivers frames every [PlaybackDataset.frameInterval] seconds; at end of dataset wraps to index 0. No-op if already playing.
Starts the playback loop on a background thread. Delivers frames every [PlaybackDataset.frameInterval] seconds; at end of dataset wraps to index 0. No-op if already playing.