release method
void
release()
Implementation
void release() {
stop();
// Release `AudioElement` correctly (#966)
player?.src = '';
player?.remove();
player = null;
_stereoPanner = null;
_playerLoadedDataSubscription?.cancel();
_playerLoadedDataSubscription = null;
_playerTimeUpdateSubscription?.cancel();
_playerTimeUpdateSubscription = null;
_playerEndedSubscription?.cancel();
_playerEndedSubscription = null;
_playerSeekedSubscription?.cancel();
_playerSeekedSubscription = null;
_playerPlaySubscription?.cancel();
_playerPlaySubscription = null;
_playerErrorSubscription?.cancel();
_playerErrorSubscription = null;
}