private void InitializeMediaEngine()
{
MediaEngine = MediaEngineServiceProvider.GetMediaEngine(this);
MediaEngine.MediaWindowDisposed += delegate(object sender, EventArgs args)
{
if (_mediaWindow != null)
{
_mediaWindow.MessageReceived -= new EventHandler <MessageReceivedEventArgs>(_mediaWindow_MessageReceived);
_mediaWindow = null;
}
SetMediaWindowState(false);
};
MediaEngine.InitSize += (sender, args) =>
{
_rcSrc = args.NewVideSize;
_nativeAspectRatio = args.NativeAspectRatio;
if (args.Initial)
{
var matrix = this.GetTargetMatrix();
var newVideoSize = (Size)matrix.Transform((Vector) new Size(args.NewVideSize.cx, args.NewVideSize.cy));
OnInitSize(newVideoSize);
}
ResizeNormal(args.Initial);
if (args.InvalidateSuggested)
{
InvalidateMediaWindow();
}
};
}
private void CleanUpMediaWindow()
{
_mediaWindow.MessageReceived -= new EventHandler <MessageReceivedEventArgs>(_mediaWindow_MessageReceived);
_mediaWindow.Dispose();
_mediaWindow = null;
OnMediaWindowDisposed(EventArgs.Empty);
}
protected override HandleRef BuildWindowCore(HandleRef hwndParent)
{
var hostHandle = WindowsManagement.CreateWindowEx(0,
"static",
"",
WindowsManagement.WS_VISIBLE | WindowsManagement.WS_CHILD | WindowsManagement.WS_CLIPSIBLINGS,
0,
0,
0,
0,
hwndParent.Handle,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero);
_mediaWindow = new MediaWindow(hostHandle, 0, 0);
return(new HandleRef(this, hostHandle));
}
private void CreateMediaWindow()
{
var window = Application.Current.MainWindow;
var helper = new WindowInteropHelper(window);
var matrix = window.GetDeviceMatrix();
var windowLocation = matrix.Transform(new Point(window.Left, window.Top));
var transformToWindow = TransformToAncestor(window);
var relativeLocation = transformToWindow.Transform(new Point(0, 0));
var screenLocation = new Point(windowLocation.X + relativeLocation.X, windowLocation.Y + relativeLocation.Y);
// var screenSize = (Size)matrix.Transform((Vector)new Size(ActualWidth, ActualHeight));
_mediaWindow = new MediaWindow(helper.Handle, (int)Math.Ceiling(screenLocation.X), (int)Math.Ceiling(screenLocation.Y),
/*(int)Math.Floor(screenSize.Width)*/ 0, /*(int)Math.Floor(screenSize.Height)*/ 0,
WindowsManagement.WS_VISIBLE | WindowsManagement.WS_POPUP);
_mediaWindow.MessageReceived += new EventHandler <MessageReceivedEventArgs>(_mediaWindow_MessageReceived);
}
/// <summary>
/// Render new media.
/// </summary>
/// <param name="source">Filename.</param>
/// <param name="mediaSourceType">One of the MediaSourceType.</param>
/// <returns></returns>
public bool BuildGraph(string source, MediaSourceType mediaSourceType)
{
ResetGraph();
_mediaWindow = _mediaWindowHost.GetMediaWindow();
_mediaWindow.MessageReceived += _mediaWindow_MessageReceived;
_filterGraph = FilterGraphBuilder.BuildFilterGraph(source,
mediaSourceType,
_mediaWindow.Handle,
_preferredRenderer,
ReportError,
delegate(string message)
{
UserDecisionEventArgs args = new UserDecisionEventArgs(message);
OnPartialSuccess(args);
return(args.Accept);
});
if (_filterGraph != null)
{
_mediaWindow.SetRendererInterfaces(
_filterGraph.Renderer is IVMRWindowless ? ((IVMRWindowless)_filterGraph.Renderer).VMRWindowlessControl : null,
_filterGraph.Renderer is IVMR9Windowless ? ((IVMR9Windowless)_filterGraph.Renderer).VMRWindowlessControl : null,
_filterGraph.Renderer is IEVR ? ((IEVR)_filterGraph.Renderer).MFVideoDisplayControl : null);
_filterGraph.GraphError += (sender, args) => ReportError(args);
_filterGraph.PlayBackComplete += (sender, arges) =>
{
if (_repeat)
{
if (_filterGraph.IsGraphSeekable)
{
SetCurrentPosition(0);
}
else // gonna have to think it over!
{
SetCurrentPosition(0);
}
}
else
{
StopGraph();
}
};
_filterGraph.ErrorAbort += (sender, args) =>
{
ResetGraph();
ReportError(String.Format("{0} {1}", Resources.Resources.mw_error_occured,
Resources.Resources.mw_play_aborted));
};
_filterGraph.FailedStreamsAvailable += OnFailedStreamsAvailableInternal;
var dvdFilterGraph = _filterGraph as IDvdFilterGraph;
if (dvdFilterGraph != null)
{
dvdFilterGraph.ModifyMenu += (sender, args) => OnModifyMenu();
dvdFilterGraph.DiscEjected += (sender, args) => ResetGraph();
dvdFilterGraph.InitSize += (sender, args) => OnInitSize(false, true);
dvdFilterGraph.DvdParentalChange += (sender, args) => args.Raise(this, ref DvdParentalChange);
}
OnInitSize(true, true);
IsMuted = IsMuted; // this resets the volume
return(!_autoPlay || ResumeGraph());
}
else
{
CleanUpMediaWindow();
return(false);
}
}
public void HandleMessage(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam)
{
switch (msg)
{
case (uint)WindowsMessages.WM_LBUTTONDBLCLK:
_doubleClick = true;
_mwh.RaiseEvent(new RoutedEventArgs(MWDoubleClickEvent));
break;
case (uint)WindowsMessages.WM_CONTEXTMENU:
{
var args = CreateScreenPositionEventArgs();
args.RoutedEvent = MWContextMenuEvent;
_mwh.RaiseEvent(args);
}
break;
case (uint)WindowsMessages.WM_LBUTTONUP:
{
IMediaWindow mediaWindow = _host.GetMediaWindow();
if (mediaWindow != null && mediaWindow.Handle == hWnd && _mwh.MediaEngine.IsMenuOn)
{
uint mylParam = (uint)lParam;
uint x = mylParam & 0x0000FFFF;
uint y = mylParam & 0xFFFF0000;
y >>= 16;
GDI.POINT pt = new GDI.POINT();
pt.x = (int)x;
pt.y = (int)y;
_mwh.MediaEngine.ActivateDvdMenuButtonAtPosition(pt);
}
if (!_mwh.MediaEngine.IsMenuOn && !_doubleClick)
{
_mwh.RaiseEvent(new RoutedEventArgs(MWClickEvent));
}
_doubleClick = false;
}
break;
case (uint)WindowsMessages.WM_MOUSEMOVE:
if ((uint)lParam != _previousMousePosition) // mouse was actually moved as its position has changed
{
_previousMousePosition = (uint)lParam;
IMediaWindow mediaWindow = _host.GetMediaWindow();
if (mediaWindow != null && mediaWindow.Handle == hWnd && _mwh.MediaEngine.IsMenuOn)
{
uint mylParam = (uint)lParam;
uint x = mylParam & 0x0000FFFF;
uint y = mylParam & 0xFFFF0000;
y >>= 16;
GDI.POINT pt = new GDI.POINT();
pt.x = (int)x;
pt.y = (int)y;
_mwh.MediaEngine.SelectDvdMenuButtonAtPosition(pt);
}
if (!_mouseOnWindow)
{
WindowsManagement.TRACKMOUSEEVENT tme =
new WindowsManagement.TRACKMOUSEEVENT();
tme.cbSize = Marshal.SizeOf(tme);
tme.dwFlags = WindowsManagement.TME_LEAVE;
tme.dwHoverTime = WindowsManagement.HOVER_DEFAULT;
tme.hwndTrack = hWnd;
WindowsManagement._TrackMouseEvent(ref tme);
_mouseOnWindow = true;
_mwh.RaiseEvent(new RoutedEventArgs(MWMouseEnterEvent));
}
var args = CreateScreenPositionEventArgs();
args.RoutedEvent = MWMouseMoveEvent;
_mwh.RaiseEvent(args);
}
break;
case (uint)WindowsMessages.WM_MOUSELEAVE:
_mouseOnWindow = false;
_mwh.RaiseEvent(new RoutedEventArgs(MWMouseLeaveEvent));
break;
case (uint)WindowsMessages.WM_KEYDOWN:
var modifiers = Keyboard.Modifiers;
var code = wParam.ToInt32();
var key = KeyInterop.KeyFromVirtualKey(code);
var handled = HandleKey(key);
if (!handled)
{
_mwh.RaiseEvent(new MWKeyEventArgs(MWKeyDownEvent, key, modifiers));
}
break;
case (uint)WindowsMessages.WM_MOUSEWHEEL:
uint delta = ((uint)wParam) & 0xFFFF0000;
delta >>= 16;
_mwh.RaiseEvent(new MWMouseWheelEventArgs(MWMouseWheelEvent, (short)delta)); // it's WORD (2 bytes)
break;
}
}
public void HandleMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam)
{
switch (Msg)
{
case (uint)WindowsMessages.WM_LBUTTONDBLCLK:
_doubleClick = true;
if (_mwh.MWDoubleClick != null)
{
_mwh.MWDoubleClick(_mwh, EventArgs.Empty);
}
break;
case (uint)WindowsMessages.WM_CONTEXTMENU:
if (!_trackingContextMenu)
{
_trackingContextMenu = true;
if (_mwh.MWContextMenu != null)
{
_mwh.MWContextMenu(Cursor.Position);
}
}
else
{
_trackingContextMenu = false;
}
break;
case (uint)WindowsMessages.WM_LBUTTONUP:
{
IMediaWindow mediaWindow = _host.GetMediaWindow();
if (mediaWindow != null && mediaWindow.Handle == hWnd && _mwh._engine.IsMenuOn)
{
uint mylParam = (uint)lParam;
uint x = mylParam & 0x0000FFFF;
uint y = mylParam & 0xFFFF0000;
y >>= 16;
GDI.POINT pt = new GDI.POINT();
pt.x = (int)x;
pt.y = (int)y;
_mwh._engine.ActivateDvdMenuButtonAtPosition(pt);
}
if (!_mwh._engine.IsMenuOn && !_doubleClick && _mwh.MWClick != null)
{
_mwh.MWClick(_mwh, EventArgs.Empty);
}
_doubleClick = false;
}
break;
case (uint)WindowsMessages.WM_MOUSEMOVE:
if ((uint)lParam != _previousMousePosition) // mouse was actually moved as its position has changed
{
_previousMousePosition = (uint)lParam;
IMediaWindow mediaWindow = _host.GetMediaWindow();
if (mediaWindow != null && mediaWindow.Handle == hWnd && _mwh._engine.IsMenuOn)
{
uint mylParam = (uint)lParam;
uint x = mylParam & 0x0000FFFF;
uint y = mylParam & 0xFFFF0000;
y >>= 16;
GDI.POINT pt = new GDI.POINT();
pt.x = (int)x;
pt.y = (int)y;
_mwh._engine.SelectDvdMenuButtonAtPosition(pt);
}
if (!_mwh._mouseOnWindow)
{
WindowsManagement.TRACKMOUSEEVENT tme =
new WindowsManagement.TRACKMOUSEEVENT();
tme.cbSize = Marshal.SizeOf(tme);
tme.dwFlags = WindowsManagement.TME_LEAVE;
tme.dwHoverTime = WindowsManagement.HOVER_DEFAULT;
tme.hwndTrack = hWnd;
WindowsManagement._TrackMouseEvent(ref tme);
_mwh._mouseOnWindow = true;
if (_mwh.MWMouseEnter != null)
{
_mwh.MWMouseEnter(_mwh, EventArgs.Empty);
}
}
if (_mwh.MWMouseMove != null)
{
_mwh.MWMouseMove(_mwh, EventArgs.Empty);
}
}
break;
case (uint)WindowsMessages.WM_MOUSELEAVE:
_mwh._mouseOnWindow = false;
if (_mwh.MWMouseLeave != null)
{
_mwh.MWMouseLeave(_mwh, EventArgs.Empty);
}
break;
}
}