/// <summary>
/// Creates the CompositionSurfaceBrush if one hasn't already been created. Also assigns the
/// brush to the video SpriteVisual.
/// </summary>
private void EnsureVideoBrush()
{
if (_videoSurface == null)
{
// Getting the surface that represents the MediaPlayer's swapchain for video content
// is easy, just pass a Compositor to the MediaPlayer!
_videoSurface = _mediaPlayer.GetSurface(_compositor);
// Create a brush for our new surface and attach it to our visual.
_videoBrush = _compositor.CreateSurfaceBrush(_videoSurface.CompositionSurface);
_videoVisual.Brush = _videoBrush;
}
}
private void EnsureVideoSurface()
{
if (_mediaSurface == null)
{
// Create a surface from our MediaPlayer.
_mediaSurface = _player.GetSurface(_compositor);
var surface = _mediaSurface.CompositionSurface;
// Make a brush out of it and apply it to our effect.
_videoBrush = _compositor.CreateSurfaceBrush(surface);
//_visual.Brush = _videoBrush;
_effectBrush.SetSourceParameter("Video", _videoBrush);
// Enable our button now that we have everything set up.
EffectButton.IsEnabled = true;
}
}
private void Play(GalleryItem item)
{
try
{
var parent = Surface;
//var container = Flip.ContainerFromItem(item) as ContentControl;
//if (container != null && container.ContentTemplateRoot is Grid parent)
{
//_surface = parent.FindName("Surface") as ImageView;
_surface = parent;
_mediaPlayer.MediaPlayer.SetSurfaceSize(new Size(_surface.ActualWidth, _surface.ActualHeight));
var swapchain = _mediaPlayer.MediaPlayer.GetSurface(_layerVisual.Compositor);
var brush = _layerVisual.Compositor.CreateSurfaceBrush(swapchain.CompositionSurface);
var size = new Vector2((float)_surface.ActualWidth, (float)_surface.ActualHeight);
//var mask = Unigram.Common.ImageLoader.Instance.LoadCircle(240, Colors.White).Brush;
//var graphicsEffect = new AlphaMaskEffect
//{
// Source = new CompositionEffectSourceParameter("image"),
// AlphaMask = new CompositionEffectSourceParameter("mask")
//};
//var effectFactory = _layerVisual.Compositor.CreateEffectFactory(graphicsEffect);
//var effectBrush = effectFactory.CreateBrush();
//effectBrush.SetSourceParameter("image", brush);
//effectBrush.SetSourceParameter("mask", mask);
_surfaceVisual = _layerVisual.Compositor.CreateSpriteVisual();
_surfaceVisual.Size = size;
_surfaceVisual.Brush = brush;
ElementCompositionPreview.SetElementChildVisual(_surface, _surfaceVisual);
_mediaSurface = swapchain;
_mediaPlayer.Source = MediaSource.CreateFromUri(item.GetVideoSource());
_mediaPlayer.MediaPlayer.IsLoopingEnabled = item.IsLoop;
_mediaPlayer.MediaPlayer.Play();
}
}
catch { }
}
// </SnippetDoubleTapped>
//private void SetVideoVisual()
//{
// // <SnippetCompositor>
// Visual elementVisual = ElementCompositionPreview.GetElementVisual(_compositionCanvas);
// var compositor = elementVisual.Compositor;
// _mediaPlayer.SetSurfaceSize(new Size(_compositionCanvas.ActualWidth, _compositionCanvas.ActualHeight));
// MediaPlayerSurface surface = _mediaPlayer.GetSurface(compositor);
// SpriteVisual spriteVisual = compositor.CreateSpriteVisual();
// spriteVisual.Brush = compositor.CreateSurfaceBrush(surface.CompositionSurface);
// ElementCompositionPreview.SetElementChildVisual(_compositionCanvas, spriteVisual);
// // </SnippetCompositor>
//}
private void SetVideoVisualButton_Click(object sender, RoutedEventArgs e)
{
// <SnippetCompositor>
mediaPlayer.SetSurfaceSize(new Size(_compositionCanvas.ActualWidth, _compositionCanvas.ActualHeight));
var compositor = ElementCompositionPreview.GetElementVisual(this).Compositor;
MediaPlayerSurface surface = mediaPlayer.GetSurface(compositor);
SpriteVisual spriteVisual = compositor.CreateSpriteVisual();
spriteVisual.Size =
new System.Numerics.Vector2((float)_compositionCanvas.ActualWidth, (float)_compositionCanvas.ActualHeight);
CompositionBrush brush = compositor.CreateSurfaceBrush(surface.CompositionSurface);
spriteVisual.Brush = brush;
ContainerVisual container = compositor.CreateContainerVisual();
container.Children.InsertAtTop(spriteVisual);
ElementCompositionPreview.SetElementChildVisual(_compositionCanvas, container);
// </SnippetCompositor>
}
private void resetSize()
{
if (ElementCompositionPreview.GetElementChildVisual(_compositionCanvas) != null && video)
{
ElementCompositionPreview.GetElementChildVisual(_compositionCanvas).Dispose();
MediaPlayer _mediaPlayer = ViewModel.MediaPlayer;
_mediaPlayer.SetSurfaceSize(new Size(_compositionCanvas.Width, _compositionCanvas.Height));
var compositor = ElementCompositionPreview.GetElementVisual(this).Compositor;
MediaPlayerSurface surface = _mediaPlayer.GetSurface(compositor);
SpriteVisual spriteVisual = compositor.CreateSpriteVisual();
spriteVisual.Size = new System.Numerics.Vector2((float)_compositionCanvas.Width, (float)_compositionCanvas.Height);
CompositionBrush brush = compositor.CreateSurfaceBrush(surface.CompositionSurface);
spriteVisual.Brush = brush;
ContainerVisual container = compositor.CreateContainerVisual();
container.Children.InsertAtTop(spriteVisual);
ElementCompositionPreview.SetElementChildVisual(_compositionCanvas, container);
}
}
/// <summary>
/// Creates the CompositionSurfaceBrush if one hasn't already been created. Also assigns the
/// brush to the video SpriteVisual.
/// </summary>
private void EnsureVideoBrush()
{
if (_videoSurface == null)
{
// Getting the surface that represents the MediaPlayer's swapchain for video content
// is easy, just pass a Compositor to the MediaPlayer!
_videoSurface = _mediaPlayer.GetSurface(_compositor);
// Create a brush for our new surface and attach it to our visual.
_videoBrush = _compositor.CreateSurfaceBrush(_videoSurface.CompositionSurface);
_videoVisual.Brush = _videoBrush;
}
}
