private void FillWindow()
{
if (pDisplay == null)
{
return;
}
IMFVideoDisplayControl mfVideoDisplayControl = pDisplay;
Rectangle r = panel.ClientRectangle;
MediaFoundation.Misc.MFRect rc = new MediaFoundation.Misc.MFRect(r.Left, r.Top, r.Right, r.Bottom);
mfVideoDisplayControl.SetVideoPosition(null, rc);
}
private void InitializeEVR(IBaseFilter pEVR, int dwStreams, out IMFVideoDisplayControl ppDisplay)
{
IMFVideoRenderer pRenderer;
IEVRFilterConfig pConfig;
IMFVideoPresenter pPresenter;
pPresenter = new EVRCustomPresenter();
pRenderer = (IMFVideoRenderer)pEVR;
pRenderer.InitializeRenderer(null, pPresenter);
object o;
MediaFoundation.IMFGetService pGetService;
pGetService = (MediaFoundation.IMFGetService)pEVR;
pGetService.GetService(MediaFoundation.MFServices.MR_VIDEO_RENDER_SERVICE, typeof(IMFVideoDisplayControl).GUID, out o);
try
{
pDisplay = (IMFVideoDisplayControl)o;
}
catch
{
Marshal.ReleaseComObject(o);
throw;
}
pDisplay.SetVideoWindow(panel.Handle);
if (dwStreams > 1)
{
pConfig = (IEVRFilterConfig)pEVR;
pConfig.SetNumberOfStreams(dwStreams);
}
Rectangle r = ClientRectangle;
MediaFoundation.Misc.MFRect rc = new MediaFoundation.Misc.MFRect(r.Left, r.Top, r.Right, r.Bottom);
pDisplay.SetVideoPosition(null, rc);
ppDisplay = pDisplay;
}
//protected virtual Rectangle GetInnerRectangle(Rectangle outerRectangle, double innerRatio)
//{
// Rectangle innerRectangle = outerRectangle;
// double outerRatio = (double)outerRectangle.Width / (double)outerRectangle.Height;
// if (outerRatio >= innerRatio)
// {
// innerRectangle.Width = (int)((double)outerRectangle.Height * innerRatio);
// innerRectangle.X = (int)((outerRectangle.Width - innerRectangle.Width) / 2.0);
// }
// else
// {
// innerRectangle.Height = (int)((double)outerRectangle.Width / innerRatio);
// innerRectangle.Y = (int)((outerRectangle.Height - innerRectangle.Height) / 2.0);
// }
// return innerRectangle;
//}
protected Rectangle[] GetBlackBands()
{
Rectangle outerRectangle = this.hostingControl.ClientRectangle;
DsRect innerDsRect = new DsRect();
int hr;
if (useEVR)
{
MFVideoNormalizedRect pnrcSource = new MFVideoNormalizedRect();
MediaFoundation.Misc.MFRect prcDest = new MediaFoundation.Misc.MFRect();
hr = evrVideoDisplayControl.GetVideoPosition(pnrcSource, prcDest);
innerDsRect = DsRect.FromRectangle((Rectangle)prcDest);
}
else
{
IVMRWindowlessControl9 vmrWindowlessControl9 = this.videoRenderer as IVMRWindowlessControl9;
hr = vmrWindowlessControl9.GetVideoPosition(null, innerDsRect);
}
Rectangle innerRectangle = innerDsRect.ToRectangle();
//Trace.WriteLineIf(trace.TraceVerbose, string.Format(("\tvideoRenderer.GetVideoPosition({0})"), innerRectangle.ToString()));
//Trace.WriteLineIf(trace.TraceVerbose, string.Format(("\thostingControl.ClientRectangle({0})"), outerRectangle.ToString()));
List<Rectangle> alRectangles = new List<Rectangle>();
if (innerRectangle.Top > outerRectangle.Top)
alRectangles.Add(new Rectangle(outerRectangle.Left, outerRectangle.Top, outerRectangle.Width - 1, innerRectangle.Top - 1));
if (innerRectangle.Bottom < outerRectangle.Bottom)
alRectangles.Add(new Rectangle(outerRectangle.Left, innerRectangle.Bottom, outerRectangle.Width - 1, outerRectangle.Height - (innerRectangle.Bottom + 1)));
if (innerRectangle.Left > outerRectangle.Left)
{
Rectangle rectangleLeft = new Rectangle(outerRectangle.Left, innerRectangle.Top, innerRectangle.Left - 1, innerRectangle.Height - 1);
rectangleLeft.Intersect(outerRectangle);
alRectangles.Add(rectangleLeft);
}
if (innerRectangle.Right < outerRectangle.Right)
{
Rectangle rectangleLeft = new Rectangle(innerRectangle.Right, innerRectangle.Top, outerRectangle.Width - (innerRectangle.Right + 1), innerRectangle.Height - 1);
rectangleLeft.Intersect(outerRectangle);
alRectangles.Add(rectangleLeft);
}
return alRectangles.ToArray();
}
private void MoveVideoWindow()
{
//int hr = 0;
// Track the movement of the container window and resize as needed
if (this.evrDisplay != null)
{
MFVideoNormalizedRect sRect = new MFVideoNormalizedRect();
sRect.top = 0;
sRect.left = 0;
sRect.right = 1;
sRect.bottom = 1;
MediaFoundation.Misc.MFRect dRect = new MediaFoundation.Misc.MFRect();
//dRect.top = 0;
//dRect.left = 0;
//dRect.right = ClientRectangle.Width;//this.Width;
//dRect.bottom = ClientRectangle.Height;//this.Height;
dRect.top = 0 - (ps.OverscanHeight / 2);
dRect.left = 0 - (ps.OverscanWidth / 2);
dRect.right = container.ClientRectangle.Width + (ps.OverscanWidth / 2);//this.Width;
dRect.bottom = container.ClientRectangle.Height + (ps.OverscanHeight / 2);//this.Height;
this.evrDisplay.SetVideoPosition(sRect, dRect);
}
}
