public static void startSecond()
{
initDSArrays();
filter1 = (DirectShowLib.IBaseFilter) new DirectShowLib.VideoMixingRenderer9();
DirectShowLib.IVMRFilterConfig9 filterConfig = (DirectShowLib.IVMRFilterConfig9)filter1;
filterConfig.SetRenderingMode(VMR9Mode.Renderless);
filterConfig.SetNumberOfStreams(2);
DirectShowLib.IVMRSurfaceAllocatorNotify9 vmrSurfAllocNotify = (DirectShowLib.IVMRSurfaceAllocatorNotify9)filter1;
try
{
int hr = vmrSurfAllocNotify.AdviseSurfaceAllocator(userId1, allocator);
DsError.ThrowExceptionForHR(hr);
hr = allocator.AdviseNotify(vmrSurfAllocNotify);
DsError.ThrowExceptionForHR(hr);
}
catch { }
graph1 = (DirectShowLib.IGraphBuilder) new DirectShowLib.FilterGraph();
graph1.AddFilter(filter1, "Video Mixing Renderer 9");
graph1.RenderFile(@"C:\Download\workmates.wmv", null);
mediaControl1 = (DirectShowLib.IMediaControl)graph1;
mediaControl1.Run();
}
/// <summary>
/// Load a video to setup DirectShow. This also initally creates an instance of the DirectX3D Device
/// </summary>
public static void StartGraph()
{
int hr = 0;
//CloseGraph();
string path = @"opensebj.wmv";
try
{
graph = (DirectShowLib.IGraphBuilder) new DirectShowLib.FilterGraph();
filter = (DirectShowLib.IBaseFilter) new DirectShowLib.VideoMixingRenderer9();
DirectShowLib.IVMRFilterConfig9 filterConfig = (DirectShowLib.IVMRFilterConfig9)filter;
hr = filterConfig.SetRenderingMode(VMR9Mode.Renderless);
DsError.ThrowExceptionForHR(hr);
hr = filterConfig.SetNumberOfStreams(2);
DsError.ThrowExceptionForHR(hr);
SetAllocatorPresenter();
hr = graph.AddFilter(filter, "Video Mixing Renderer 9");
DsError.ThrowExceptionForHR(hr);
hr = graph.RenderFile(path, null);
DsError.ThrowExceptionForHR(hr);
mediaControl = (DirectShowLib.IMediaControl)graph;
}
catch
{
}
}
public static Boolean TryMediaOpen(MediaTypes mediaType, String path)
{
Boolean ret = false;
switch (mediaType)
{
case MediaTypes.Audio:
{
DirectShowLib.IGraphBuilder gb = (DirectShowLib.IGraphBuilder) new DirectShowLib.FilterGraph();
//Int32 hr = gb.RenderFile(path, null);
if (gb.RenderFile(path, null) == 0)
{
ret = true;
}
Marshal.ReleaseComObject(gb);
gb = null;
break;
}
case MediaTypes.Video:
{
DirectShowLib.IGraphBuilder gb = (DirectShowLib.IGraphBuilder) new DirectShowLib.FilterGraph();
Int32 hr = gb.RenderFile(path, null);
if (hr == 0)
{
DirectShowLib.IVideoWindow videoWindow = (DirectShowLib.IVideoWindow)gb;
OABool lVisible;
if (videoWindow.get_Visible(out lVisible) == 0)
{
ret = true;
}
videoWindow = null;
}
Marshal.ReleaseComObject(gb);
gb = null;
break;
}
case MediaTypes.Karaoke:
{
ret = true;
try
{
Sequence sequence = new Sequence(path);
sequence.Dispose();
}
catch (Exception)
{
ret = false;
}
break;
}
default:
break;
}
return(ret);
}
public AudioVideoBase(String path, Boolean isDemo)
: base(isDemo, path)
{
m_GraphBuilder = (DirectShowLib.IGraphBuilder) new FilterGraph();
m_hr = m_GraphBuilder.RenderFile(path, null);
DsError.ThrowExceptionForHR(m_hr);
m_MediaControl = (DirectShowLib.IMediaControl)m_GraphBuilder;
m_MediaPosition = (DirectShowLib.IMediaPosition)m_GraphBuilder;
m_BasicAudio = (DirectShowLib.IBasicAudio)m_GraphBuilder;
}
