private void RegisterPlaybackCompletedCallback()
{
_playbackCompletedCallback = _ =>
{
Log.Debug(PlayerLog.Tag, "completed callback");
PlaybackCompleted?.Invoke(this, EventArgs.Empty);
};
NativePlayer.SetCompletedCb(Handle, _playbackCompletedCallback).
ThrowIfFailed(this, "Failed to set PlaybackCompleted");
}