private void timerCheck_Tick(object sender, EventArgs e)
{
bool bActive = false;
if (m_pFilter != null)
{
FilterState _state;
if (HRESULT.S_OK == m_pFilter.GetState(100, out _state))
{
bActive = (_state == FilterState.Stopped);
}
}
cmboProfile.Enabled = bActive;
cmboLevel.Enabled = bActive;
cmboRateControl.Enabled = bActive;
cmboMBEncoding.Enabled = bActive;
cbGOP.Enabled = bActive;
cbDeblocking.Enabled = bActive;
cbAutoBitrate.Enabled = bActive;
tbBitrate.Enabled = bActive;
tbIDRPeriod.Enabled = bActive;
tbPPeriod.Enabled = bActive;
}
public void UpdateState()
{
basefilter.GetState(20, out filterState);
}
/// <summary> build the capture graph for grabber. </summary>
bool SetupGraph()
{
int hr;
IPin pin1, pin2;
try
{
hr = capGraph.SetFiltergraph(graphBuilder);
if (hr < 0)
{
Marshal.ThrowExceptionForHR(hr);
}
if (atiTVCardFound)
{
SetupVideoCrossbar();
AddFilter(atiCrossbar, "ATI Crossbar");
AddFilter(capFilter, "Analog Capture Device");
AddFilter(wmVideoDecoder, "AVI Decompressor");
AddFilter(stretchVideo, "Stretch Video");
AddFilter(colorConverter, "Color Space Converter");
}
else if (videoSource.Equals("File"))
{
graphBuilder.AddSourceFilter(filePath, "WM ASF Reader", out capFilter);
AddFilter(modFrameRate, "Modify Frame Rate");
AddFilter(stretchVideo, "Stretch Video");
AddFilter(colorConverter, "Color Space Converter");
}
else
{
int state;
if (capFilter.GetState(100, out state) == 0)
{
AddFilter(capFilter, "Capture Filter");
}
}
AddFilter(sampleGrabber, "Sample Grabber"); // make sure samples grabbed have 32 bits per pixel to work with Ge Force 7900
AddFilter(baseGrabFlt, "Vector Grabber");
AddFilter(motionVector, "Motion Flow Vector Filter");
if (videoPreview)
{
AddFilter(teeSplitter, "Smart Tee Splitter");
AddFilter(colorConverter, "Color Space Converter");
AddFilter(videoRenderer, "Video Renderer");
}
#if false // Attempt to use VMR9 abandoned for now
IVMRFilterConfig9 vmrConfig = videoRenderer as IVMRFilterConfig9;
hr = vmrConfig.SetRenderingMode(VMR9Mode.Renderless);
if (hr < 0)
{
Marshal.ThrowExceptionForHR(hr);
}
IVMRSurfaceAllocatorNotify9 vmrAllocNotify = videoRenderer as IVMRSurfaceAllocatorNotify9;
vmrAllocNotify.AdviseSurfaceAllocator(userID, vmrAllocator);
vmrAllocator.AdviseNotify(vmrAllocNotify);
#endif
// connect the pins
if (videoSource.Equals("File"))
{
ConnectPins(capFilter, "Raw Video 1", modFrameRate, "In");
ConnectPins(modFrameRate, "Out", stretchVideo, "In");
//ConnectPins(wmVideoDecoder, "out0", stretchVideo, "In");
ConnectPins(stretchVideo, "Out", colorConverter, "In");
ConnectPins(colorConverter, "Out", sampleGrabber, "In");
}
else
{
if (atiTVCardFound)
{
ConnectPins(atiCrossbar, "0: Video Decoder Out", capFilter, "0");
ConnectPins(capFilter, "2", wmVideoDecoder, "In");
ConnectPins(wmVideoDecoder, "Out", stretchVideo, "In");
ConnectPins(stretchVideo, "Out", colorConverter, "In");
ConnectPins(colorConverter, "Out", sampleGrabber, "In");
}
else // webcam case
{
//ConnectPins(capFilter, "CapturePin", stretchVideo, "In");
ConnectPins(capFilter, "CapturePin", sampleGrabber, "In");
}
}
if (videoPreview)
{
ConnectPins(sampleGrabber, "Out", teeSplitter, "Input");
//ConnectPins(teeSplitter, "0", videoRenderer, "In");
ConnectPins(teeSplitter, "Preview", colorConverter, "In");
ConnectPins(colorConverter, "Out", videoRenderer, "VMR Input0");
ConnectPins(teeSplitter, "Capture", motionVector, "In");
}
else
{
ConnectPins(sampleGrabber, "Out", motionVector, "In");
}
ConnectPins(motionVector, "Out", baseGrabFlt, "In");
// check that all filters are accounted for
// there must be a total of 7 filters if source is "File"
IEnumFilters enumFilters;
graphBuilder.EnumFilters(out enumFilters);
enumFilters.Reset();
IBaseFilter[] filters = new IBaseFilter[1];
int count = 0;
int total = 0;
while (0 == (hr = enumFilters.Next(1, filters, out count)))
{
FilterInfo info = new FilterInfo();
hr = filters[0].QueryFilterInfo(info);
if (hr < 0)
{
Marshal.ThrowExceptionForHR(hr);
}
LogInfo(LogGroups.Console, info.achName);
IPin[] pins = new IPin[1];
IEnumPins enumPins;
filters[0].EnumPins(out enumPins);
while (0 == (hr = enumPins.Next(1, pins, out count)))
{
IPin pin;
hr = pins[0].ConnectedTo(out pin);
if (pin != null)
{
string pinID;
hr = pin.QueryId(out pinID);
LogInfo(LogGroups.Console, pinID);
}
}
Marshal.ReleaseComObject(filters[0]);
total++;
}
Marshal.ReleaseComObject(enumFilters);
SetupVideoGrabber();
SetupVectorGrabber();
return(true);
}
catch (Exception ee)
{
LogInfo(LogGroups.Console, "Could not setup graph\r\n" + ee.Message);
return(false);
}
}