/// <summary>
/// Toggles the motion of the current media element.
/// </summary>
/// <param name="mediaData">The media data o the current element.</param>
public void ToggleSlowMotion(MediaData mediaData)
{
bool result = false;
if (mediaData != null)
{
CoreSmoothStreamingMediaElement mediaElement = mediaData.Media as CoreSmoothStreamingMediaElement;
if (mediaElement != null)
{
result = mediaElement.OnSlowMotion();
}
}
else
{
if (this.HasSource)
{
result = this.Player.OnSlowMotion();
}
}
if (!result)
{
this.SlowMotionButton.IsChecked = false;
}
}
/// <summary>
/// Picks a thumbnail of the current media element.
/// </summary>
/// <param name="mediaData">The media data o the current element.</param>
public void PickThumbnail(MediaData mediaData)
{
if (mediaData != null)
{
SmoothStreamingMediaElement mediaElement = mediaData.Media as SmoothStreamingMediaElement;
if (mediaElement != null)
{
this.StartThumbnailBuffer();
bool thumbnailSeekCompleted = false;
TimeSpan currentPosition = mediaElement.Position;
CoreSmoothStreamingMediaElement thumbnailMediaElement = new CoreSmoothStreamingMediaElement
{
Width = mediaElement.ActualWidth,
Height = mediaElement.ActualHeight,
IsMuted = true,
AutoPlay = false,
Volume = 0,
};
DispatcherTimer thubmnailTimer = new DispatcherTimer {
Interval = new TimeSpan(0, 0, 0, 5)
};
thubmnailTimer.Tick += (sender, e) =>
{
if (thumbnailSeekCompleted)
{
thumbnailSeekCompleted = false;
thubmnailTimer.Stop();
WriteableBitmap writeableBitmap = new WriteableBitmap(thumbnailMediaElement, null);
// writeableBitmap.Render(mediaElement, null);
writeableBitmap.Invalidate();
this.Model.SetThumbnail(writeableBitmap);
this.PlayerContainerGrid.Children.Remove(thumbnailMediaElement);
thumbnailMediaElement = null;
thubmnailTimer = null;
this.EndThumbnailBuffer();
}
};
thubmnailTimer.Start();
this.PlayerContainerGrid.Children.Add(thumbnailMediaElement);
thumbnailMediaElement.ManifestReady += (sender, e) => ((CoreSmoothStreamingMediaElement)sender).SelectMaxAvailableBitrateTracks("cameraAngle", "camera1");
thumbnailMediaElement.MediaOpened += (sender, e) =>
{
((SmoothStreamingMediaElement)sender).Position = currentPosition;
((CoreSmoothStreamingMediaElement)sender).Visibility = Visibility.Collapsed;
};
thumbnailMediaElement.SeekCompleted += (sender, e) => thumbnailSeekCompleted = true;
thumbnailMediaElement.SmoothStreamingSource = mediaElement.SmoothStreamingSource;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PlayableMediaData"/> class.
/// </summary>
/// <param name="timelineElement">The timeline element.</param>
public PlayableMediaData(TimelineElement timelineElement)
{
this.timelineElement = timelineElement;
this.timelineElement.PropertyChanged += (sender, e) =>
{
if (e.PropertyName == "InPosition")
{
if (this.mediaElement != null && (this.mediaElement.CurrentState == SmoothStreamingMediaElementState.Paused || this.mediaElement.CurrentState == SmoothStreamingMediaElementState.Playing))
{
this.In = TimeSpan.FromSeconds(this.timelineElement.InPosition.TotalSeconds);
}
}
if (e.PropertyName == "OutPosition")
{
this.Out = TimeSpan.FromSeconds(this.timelineElement.OutPosition.TotalSeconds);
}
if (e.PropertyName == "Volume")
{
if (this.mediaElement != null)
{
this.mediaElement.Volume = timelineElement.Volume;
this.mediaElement.IsMuted = this.timelineElement.Volume == 0;
}
}
};
this.mediaElement = new CoreSmoothStreamingMediaElement
{
Opacity = 0,
Volume = timelineElement.Volume,
IsMuted = this.timelineElement.Volume == 0,
AutoPlay = false
};
this.mediaElement.CurrentStateChanged += this.MediaElement_CurrentStateChanged;
this.mediaElement.ManifestReady += this.MediaElement_ManifestReady;
this.mediaElement.MediaOpened += this.MediaElement_MediaOpened;
this.mediaElement.DownloadProgressChanged += this.MediaElement_DownloadProgressChanged;
this.mediaElement.SeekCompleted += this.MediaElement_SeekCompleted;
VideoAsset videoAsset = timelineElement.Asset as VideoAsset;
AudioAsset audioAsset = timelineElement.Asset as AudioAsset;
if (videoAsset != null)
{
this.Duration = TimeSpan.FromSeconds(videoAsset.Duration.TotalSeconds);
}
else if (audioAsset != null)
{
this.Duration = TimeSpan.FromSeconds(audioAsset.Duration);
this.mediaElement.Width = 0;
this.mediaElement.Height = 0;
}
if (this.timelineElement.Asset.IsAdaptiveAsset)
{
this.mediaElement.SmoothStreamingSource = this.timelineElement.Asset.Source;
}
else
{
this.mediaElement.Source = this.timelineElement.Asset.Source;
}
this.Out = TimeSpan.FromSeconds(this.timelineElement.OutPosition.TotalSeconds);
}
