void UpdateSource()
{
if (Element.Source != null)
{
AVAsset asset = null;
var uriSource = Element.Source as UriMediaSource;
if (uriSource != null)
{
if (uriSource.Uri.Scheme == "ms-appx")
{
if (uriSource.Uri.LocalPath.Length <= 1)
{
return;
}
// used for a file embedded in the application package
asset = AVAsset.FromUrl(NSUrl.FromFilename(uriSource.Uri.LocalPath.Substring(1)));
}
else if (uriSource.Uri.Scheme == "ms-appdata")
{
string filePath = Platform.ResolveMsAppDataUri(uriSource.Uri);
if (string.IsNullOrEmpty(filePath))
{
throw new ArgumentException("Invalid Uri", "Source");
}
asset = AVAsset.FromUrl(NSUrl.FromFilename(filePath));
}
else
{
asset = AVUrlAsset.Create(NSUrl.FromString(uriSource.Uri.AbsoluteUri));
}
}
else
{
var fileSource = Element.Source as FileMediaSource;
if (fileSource != null)
{
asset = AVAsset.FromUrl(NSUrl.FromFilename(fileSource.File));
}
}
var item = new AVPlayerItem(asset);
RemoveStatusObserver();
_statusObserver = (NSObject)item.AddObserver("status", NSKeyValueObservingOptions.New, ObserveStatus);
if (_avPlayerViewController.Player != null)
{
_avPlayerViewController.Player.ReplaceCurrentItemWithPlayerItem(item);
}
else
{
_avPlayerViewController.Player = new AVPlayer(item);
_rateObserver = (NSObject)_avPlayerViewController.Player.AddObserver("rate", NSKeyValueObservingOptions.New, ObserveRate);
}
if (Element.AutoPlay)
{
Play();
}
}
else
{
if (Element.CurrentState == MediaElementState.Playing || Element.CurrentState == MediaElementState.Buffering)
{
_avPlayerViewController.Player.Pause();
Controller.CurrentState = MediaElementState.Stopped;
}
}
}
