private async void Play(Grid parent, GalleryContent item, File file)
{
try
{
if (!file.Local.IsDownloadingCompleted && !SettingsService.Current.IsStreamingEnabled)
{
return;
}
if (_surface != null && _mediaPlayerElement != null)
{
_surface.Children.Remove(_mediaPlayerElement);
_surface = null;
}
if (_mediaPlayer == null)
{
_mediaPlayer = Task.Run(() => new MediaPlayer()).Result;
_mediaPlayer.VolumeChanged += OnVolumeChanged;
_mediaPlayer.SourceChanged += OnSourceChanged;
_mediaPlayer.MediaOpened += OnMediaOpened;
_mediaPlayer.PlaybackSession.PlaybackStateChanged += OnPlaybackStateChanged;
_mediaPlayerElement.SetMediaPlayer(_mediaPlayer);
}
var dpi = DisplayInformation.GetForCurrentView().LogicalDpi / 96.0f;
_mediaPlayer.SetSurfaceSize(new Size(parent.ActualWidth * dpi, parent.ActualHeight * dpi));
_surface = parent;
_surface.Children.Add(_mediaPlayerElement);
if (ApiInformation.IsPropertyPresent("Windows.UI.Xaml.Controls.MediaTransportControls", "ShowAndHideAutomatically"))
{
Transport.ShowAndHideAutomatically = true;
}
Transport.DownloadMaximum = file.Size;
Transport.DownloadValue = file.Local.DownloadOffset + file.Local.DownloadedPrefixSize;
var streamable = SettingsService.Current.IsStreamingEnabled && item.IsStreamable && !file.Local.IsDownloadingCompleted;
if (streamable)
{
_streamingInterop = new FFmpegInteropMSS(new FFmpegInteropConfig());
var interop = await _streamingInterop.CreateFromFileAsync(ViewModel.ProtoService.Client, file);
_mediaPlayer.Source = interop.CreateMediaPlaybackItem();
Transport.DownloadMaximum = file.Size;
Transport.DownloadValue = file.Local.DownloadOffset + file.Local.DownloadedPrefixSize;
}
else
{
_mediaPlayer.Source = MediaSource.CreateFromUri(new Uri("file:///" + file.Local.Path));
}
_mediaPlayer.IsLoopingEnabled = item.IsLoop;
_mediaPlayer.Play();
}
catch { }
}