void videoPanelViewModel_VideoOpened(Object sender, EventArgs e)
{
for (int i = 0; i < nrTextures; i++)
{
Disposer.RemoveAndDispose(ref this.yuvTexture[i]);
Disposer.RemoveAndDispose(ref this.textureView[i]);
}
if (videoPlayerViewModel.DecodedVideoFormat == VideoLib.VideoPlayer.DecodedVideoFormat.YUV420P)
{
int width = videoPlayerViewModel.Width;
int height = videoPlayerViewModel.Height;
yuvTexture[0] = createTexture(width, height, Format.R8_UNorm);
yuvTexture[1] = createTexture(width / 2, height / 2, Format.R8_UNorm);
yuvTexture[2] = createTexture(width / 2, height / 2, Format.R8_UNorm);
nrTextures = 3;
}
else
{
yuvTexture[0] = createTexture(videoPlayerViewModel.Width, videoPlayerViewModel.Height, Format.B8G8R8A8_UNorm);
nrTextures = 1;
}
Device device = Host.Device;
for (int i = 0; i < nrTextures; i++)
{
ShaderResourceViewDescription desc = new ShaderResourceViewDescription();
desc.Format = yuvTexture[i].Description.Format;
desc.Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D;
desc.Texture2D.MipLevels = yuvTexture[i].Description.MipLevels;
desc.Texture2D.MostDetailedMip = yuvTexture[i].Description.MipLevels - 1;
textureView[i] = new ShaderResourceView(device, yuvTexture[i], desc);
}
viewport = setupViewport(videoPlayerViewModel.Width, videoPlayerViewModel.Height);
device.Flush();
DPFCanvas canvas = (DPFCanvas)Host;
canvas.StartRendering();
}
Viewport setupViewport(int videoWidth, int videoHeight)
{
DPFCanvas canvas = (DPFCanvas)Host;
double screenWidth = canvas.ActualWidth;
double screenHeight = canvas.ActualHeight;
System.Drawing.Rectangle screenRect = new System.Drawing.Rectangle(0, 0, (int)screenWidth, (int)screenHeight);
System.Drawing.Rectangle videoRect = Utils.ImageUtils.stretchRectangle(new System.Drawing.Rectangle(0, 0, videoWidth, videoHeight),
screenRect);
videoRect = Utils.ImageUtils.centerRectangle(screenRect, videoRect);
Viewport viewport = new Viewport(new DrawingRectangle(videoRect.X, videoRect.Y, videoRect.Width, videoRect.Height));
return(viewport);
}
private void videoPanelViewModel_VideoClosed(object sender, EventArgs e)
{
DPFCanvas canvas = (DPFCanvas)Host;
canvas.StopRendering();
}
