private void CloseInterface()
{
//그래프와 콘트롤 해제
if (pMediaControl != null)
{
pMediaControl.StopWhenReady();
}
if (pVideoWindow != null)
{
pVideoWindow.put_Visible(OABool.False);
pVideoWindow.put_Owner(IntPtr.Zero);
}
Marshal.ReleaseComObject(pSampleGrabber);
pSampleGrabber = null;
Marshal.ReleaseComObject(pSampleGrabberFilter);
pSampleGrabberFilter = null;
Marshal.ReleaseComObject(pGraphBuilder);
pGraphBuilder = null;
Marshal.ReleaseComObject(pMediaControl);
pMediaControl = null;
Marshal.ReleaseComObject(pVideoWindow);
pVideoWindow = null;
Marshal.ReleaseComObject(pMediaPosition);
pMediaPosition = null;
//this.Close(); //close this program
}
// Save the size parameters for use in SnapShot
private void SaveSizeInfo(DirectShowLib.ISampleGrabber sampGrabber)
{
int hr;
// Get the media type from the SampleGrabber
DirectShowLib.AMMediaType media = new DirectShowLib.AMMediaType();
hr = sampGrabber.GetConnectedMediaType(media);
hr = sampGrabber.SetMediaType(media);
DsError.ThrowExceptionForHR(hr);
try
{
if ((media.formatType != FormatType.VideoInfo) || (media.formatPtr == IntPtr.Zero))
{
throw new NotSupportedException("Unknown Grabber Media Format");
}
// Get the struct
DirectShowLib.VideoInfoHeader videoInfoHeader = new DirectShowLib.VideoInfoHeader();
Marshal.PtrToStructure(media.formatPtr, videoInfoHeader);
// Grab the size info
m_videoWidth = videoInfoHeader.BmiHeader.Width;
m_videoHeight = videoInfoHeader.BmiHeader.Height;
m_stride = m_videoWidth * (videoInfoHeader.BmiHeader.BitCount / 8);
m_ImageSize = m_videoWidth * m_videoHeight * 3;
}
finally
{
DirectShowLib.DsUtils.FreeAMMediaType(media);
media = null;
}
}
// Shut down capture
private void CloseInterfaces()
{
int hr;
lock (this)
{
if (m_State != GraphState.Exiting)
{
m_State = GraphState.Exiting;
// Release the thread (if the thread was started)
if (m_mre != null)
{
m_mre.Set();
}
}
if (m_mediaCtrl != null)
{
// Stop the graph
hr = m_mediaCtrl.Stop();
m_mediaCtrl = null;
}
if (m_sampGrabber != null)
{
Marshal.ReleaseComObject(m_sampGrabber);
m_sampGrabber = null;
}
#if DEBUG
if (m_DsRot != null)
{
m_DsRot.Dispose();
}
#endif
if (m_graphBuilder != null)
{
Marshal.ReleaseComObject(m_graphBuilder);
m_graphBuilder = null;
}
}
GC.Collect();
}
private void ConfigureSampleGrabber(DirectShowLib.ISampleGrabber sampGrabber)
{
DirectShowLib.AMMediaType media;
int hr;
// Set the media type to Video/RBG24
media = new DirectShowLib.AMMediaType();
media.majorType = DirectShowLib.MediaType.Video;
media.subType = DirectShowLib.MediaSubType.RGB24;
media.formatType = DirectShowLib.FormatType.VideoInfo;
hr = sampGrabber.SetMediaType(media);
DsError.ThrowExceptionForHR(hr);
DirectShowLib.DsUtils.FreeAMMediaType(media);
media = null;
// Configure the samplegrabber
hr = sampGrabber.SetCallback(this, 1);
DsError.ThrowExceptionForHR(hr);
}
// Shut down capture
private void CloseInterfaces()
{
int hr;
lock (this)
{
if (m_State != GraphState.Exiting)
{
m_State = GraphState.Exiting;
// Release the thread (if the thread was started)
if (m_mre != null)
{
m_mre.Set();
}
}
if( m_mediaCtrl != null )
{
// Stop the graph
hr = m_mediaCtrl.Stop();
m_mediaCtrl = null;
}
if (m_sampGrabber != null)
{
Marshal.ReleaseComObject(m_sampGrabber);
m_sampGrabber = null;
}
#if DEBUG
if (m_DsRot != null)
{
m_DsRot.Dispose();
}
#endif
if (m_graphBuilder != null)
{
Marshal.ReleaseComObject(m_graphBuilder);
m_graphBuilder = null;
}
}
GC.Collect();
}
// Build the capture graph for grabber and renderer.</summary>
// (Control to show video in, Filename to play)
private void SetupGraph(string FileName)
{
int hr;
// Get the graphbuilder object
m_graphBuilder = new DirectShowLib.FilterGraph() as DirectShowLib.IFilterGraph2;
// Get a ICaptureGraphBuilder2 to help build the graph
DirectShowLib.ICaptureGraphBuilder2 icgb2 = new DirectShowLib.CaptureGraphBuilder2() as DirectShowLib.ICaptureGraphBuilder2;
try
{
// Link the ICaptureGraphBuilder2 to the IFilterGraph2
hr = icgb2.SetFiltergraph(m_graphBuilder);
DsError.ThrowExceptionForHR( hr );
#if DEBUG
// Allows you to view the graph with GraphEdit File/Connect
m_DsRot = new DsROTEntry(m_graphBuilder);
#endif
// Add the filters necessary to render the file. This function will
// work with a number of different file types.
IBaseFilter sourceFilter = null;
hr = m_graphBuilder.AddSourceFilter(FileName, FileName, out sourceFilter);
DsError.ThrowExceptionForHR( hr );
// Get the SampleGrabber interface
m_sampGrabber = (DirectShowLib.ISampleGrabber) new DirectShowLib.SampleGrabber();
DirectShowLib.IBaseFilter baseGrabFlt = (DirectShowLib.IBaseFilter) m_sampGrabber;
// Configure the Sample Grabber
ConfigureSampleGrabber(m_sampGrabber);
// Add it to the filter
hr = m_graphBuilder.AddFilter( baseGrabFlt, "Ds.NET Grabber" );
DsError.ThrowExceptionForHR( hr );
// System.Windows.Forms.MessageBox.Show(Width.ToString(), Height.ToString(), System.Windows.Forms.MessageBoxButtons.OK);
// A Null Renderer does not display the video
// But it allows the Sample Grabber to run
// And it will keep proper playback timing
// Unless specified otherwise.
DirectShowLib.NullRenderer nullRenderer = new DirectShowLib.NullRenderer();
m_graphBuilder.AddFilter((DirectShowLib.IBaseFilter) nullRenderer, "Null Renderer");
// Connect the pieces together, use the default renderer
hr = icgb2.RenderStream(null, null, sourceFilter, baseGrabFlt, (DirectShowLib.IBaseFilter) nullRenderer);
DsError.ThrowExceptionForHR( hr );
// Now that the graph is built, read the dimensions of the bitmaps we'll be getting
SaveSizeInfo(m_sampGrabber);
// Configure the Video Window
//DirectShowLib.IVideoWindow videoWindow = m_graphBuilder as DirectShowLib.IVideoWindow;
//ConfigureVideoWindow(videoWindow, hWin);
// Grab some other interfaces
m_mediaEvent = m_graphBuilder as DirectShowLib.IMediaEvent;
m_mediaCtrl = m_graphBuilder as DirectShowLib.IMediaControl;
}
finally
{
if (icgb2 != null)
{
Marshal.ReleaseComObject(icgb2);
icgb2 = null;
}
}
#if DEBUG
// Double check to make sure we aren't releasing something
// important.
GC.Collect();
GC.WaitForPendingFinalizers();
#endif
}
/// <summary> build the capture graph for grabber. </summary>
private void SetupGraph(DsDevice dev, int iFrameRate, int iWidth, int iHeight, Control hControl)
{
int hr;
DirectShowLib.ISampleGrabber sampGrabber = null;
DirectShowLib.IBaseFilter capFilter = null;
DirectShowLib.ICaptureGraphBuilder2 capGraph = null;
// Get the graphbuilder object
m_graphBuilder = (DirectShowLib.IFilterGraph2) new FilterGraph();
m_mediaCtrl = m_graphBuilder as DirectShowLib.IMediaControl;
try
{
// Get the ICaptureGraphBuilder2
capGraph = (DirectShowLib.ICaptureGraphBuilder2) new DirectShowLib.CaptureGraphBuilder2();
// Get the SampleGrabber interface
sampGrabber = (DirectShowLib.ISampleGrabber) new DirectShowLib.SampleGrabber();
// Start building the graph
hr = capGraph.SetFiltergraph(m_graphBuilder);
DsError.ThrowExceptionForHR(hr);
// Add the video device
hr = m_graphBuilder.AddSourceFilterForMoniker(dev.Mon, null, "Video input", out capFilter);
DsError.ThrowExceptionForHR(hr);
DirectShowLib.IBaseFilter baseGrabFlt = (DirectShowLib.IBaseFilter)sampGrabber;
ConfigureSampleGrabber(sampGrabber);
// Add the frame grabber to the graph
hr = m_graphBuilder.AddFilter(baseGrabFlt, "Ds.NET Grabber");
DsError.ThrowExceptionForHR(hr);
// If any of the default config items are set
if (iFrameRate + iHeight + iWidth > 0)
{
SetConfigParms(capGraph, capFilter, iFrameRate, iWidth, iHeight);
}
// ------------------------------------
if (false)
{
if (false)
{
hr = capGraph.RenderStream(DirectShowLib.PinCategory.Preview, DirectShowLib.MediaType.Video, capFilter, null, baseGrabFlt);
DsError.ThrowExceptionForHR(hr);
}
theCompressor = CreateFilter(FilterCategory.VideoCompressorCategory, "Microsoft MPEG-4 Video Codec V2");
// Add the Video compressor filter to the graph
if (theCompressor != null)
{
hr = m_graphBuilder.AddFilter(theCompressor, "Compressor Filter");
DsError.ThrowExceptionForHR(hr);
}
// Create the file writer part of the graph. SetOutputFileName does this for us, and returns the mux and sink
DirectShowLib.IBaseFilter mux;
DirectShowLib.IFileSinkFilter sink;
hr = capGraph.SetOutputFileName(DirectShowLib.MediaSubType.Avi, "C:\\Test.avi", out mux, out sink);
DsError.ThrowExceptionForHR(hr);
hr = capGraph.RenderStream(DirectShowLib.PinCategory.Capture, DirectShowLib.MediaType.Video, capFilter, theCompressor, mux);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(mux);
Marshal.ReleaseComObject(sink);
hr = capGraph.RenderStream(DirectShowLib.PinCategory.Preview, DirectShowLib.MediaType.Video, capFilter, null, null);
DsError.ThrowExceptionForHR(hr);
//ShowVideoWindow(hControl);
}
else
{
hr = capGraph.RenderStream(DirectShowLib.PinCategory.Capture, DirectShowLib.MediaType.Video, capFilter, null, baseGrabFlt);
DsError.ThrowExceptionForHR(hr);
//hr = capGraph.RenderStream(DirectShowLib.PinCategory.Preview, DirectShowLib.MediaType.Video, capFilter, null, null);
//DsError.ThrowExceptionForHR(hr);
//ShowVideoWindow(hControl);
}
// --------------------------------------
//hr = capGraph.RenderStream( DirectShowLib.PinCategory.Capture, DirectShowLib.MediaType.Video, capFilter, null, baseGrabFlt );
//DsError.ThrowExceptionForHR( hr );
SaveSizeInfo(sampGrabber);
}
finally
{
if (capFilter != null)
{
Marshal.ReleaseComObject(capFilter);
capFilter = null;
}
if (sampGrabber != null)
{
Marshal.ReleaseComObject(sampGrabber);
sampGrabber = null;
}
if (capGraph != null)
{
Marshal.ReleaseComObject(capGraph);
capGraph = null;
}
}
}
private void SetupGraph(Control hWin, string filename)
{
pGraphBuilder = (DirectShowLib.IGraphBuilder) new FilterGraph();
pMediaControl = (DirectShowLib.IMediaControl)pGraphBuilder;
pVideoWindow = (DirectShowLib.IVideoWindow)pGraphBuilder;
pVideoFrameStep = (DirectShowLib.IVideoFrameStep)pGraphBuilder; // video frame...
pMediaPosition = (DirectShowLib.IMediaPosition)pGraphBuilder;
//DirectShowLib.IBaseFilter pBaseFilter = (DirectShowLib.IBaseFilter)pGraphBuilder;
//pMediaSeeking = (DirectShowLib.IMediaSeeking)pGraphBuilder;
//pMediaSeeking.SetPositions(5000, AMSeekingSeekingFlags.AbsolutePositioning, 6000, AMSeekingSeekingFlags.AbsolutePositioning);
//test
DirectShowLib.ICaptureGraphBuilder2 pCaptureGraphBuilder2;
DirectShowLib.IBaseFilter pRenderer;
DirectShowLib.IVMRFilterConfig9 pIVMRFilterConfig9;
DirectShowLib.IVMRWindowlessControl9 pVMRWC9;
pCaptureGraphBuilder2 = (DirectShowLib.ICaptureGraphBuilder2) new CaptureGraphBuilder2();
pCaptureGraphBuilder2.SetFiltergraph(pGraphBuilder); // CaptureGraph를 GraphBuilder에 붙인다.
//pGraphBuilder.AddFilter(pMediaControl "SDZ 375 Source"); // GraphBuilder에 영상장치필터를 추가한다.
pRenderer = (DirectShowLib.IBaseFilter) new DirectShowLib.VideoMixingRenderer9(); // 믹서 필터를 생성 한다.
pIVMRFilterConfig9 = (DirectShowLib.IVMRFilterConfig9)pRenderer; // 믹서 필터의 속성을 설정한다.
pIVMRFilterConfig9.SetRenderingMode(VMR9Mode.Windowless);
pIVMRFilterConfig9.SetNumberOfStreams(2);
pVMRWC9 = (DirectShowLib.IVMRWindowlessControl9)pRenderer; // 오버레이 평면의 속성을 설정한다.
pVMRWC9.SetVideoClippingWindow(hWin.Handle);
pVMRWC9.SetBorderColor(0);
pVMRWC9.SetVideoPosition(null, hWin.ClientRectangle);
pGraphBuilder.AddFilter(pRenderer, "Video Mixing Renderer"); // GraphBuilder에 믹스 필터를 추가한다.
pCaptureGraphBuilder2.RenderStream(null, MediaType.Video, pGraphBuilder, null, pRenderer); // 영상표시를 위한 필터를 설정한다.
///test
//sampleGrabber
AMMediaType am_media_type = new AMMediaType();
pSampleGrabber = (DirectShowLib.ISampleGrabber) new SampleGrabber();
pSampleGrabberFilter = (DirectShowLib.IBaseFilter)pSampleGrabber;
am_media_type.majorType = MediaType.Video;
am_media_type.subType = MediaSubType.RGB24;
am_media_type.formatType = FormatType.VideoInfo;
pSampleGrabber.SetMediaType(am_media_type);
//Graph에 sampleGrabber filter를 추가
pGraphBuilder.AddFilter(pSampleGrabberFilter, "Sample Grabber");
pMediaControl.RenderFile(filename);
pVideoWindow.put_Owner(hWin.Handle);
pVideoWindow.put_WindowStyle(WindowStyle.Child | WindowStyle.ClipSiblings);
Rectangle rect = hWin.ClientRectangle;
pVideoWindow.SetWindowPosition(0, 0, rect.Right, rect.Bottom);
//sampleGrabber2
pSampleGrabber.GetConnectedMediaType(am_media_type);
DirectShowLib.VideoInfoHeader pVideoInfoHeader = (DirectShowLib.VideoInfoHeader)Marshal.PtrToStructure(am_media_type.formatPtr, typeof(VideoInfoHeader));
String str = string.Format("size = {0} x {1}", pVideoInfoHeader.BmiHeader.Width, pVideoInfoHeader.BmiHeader.Height);
Video_Width = pVideoInfoHeader.BmiHeader.Width;
Video_Height = pVideoInfoHeader.BmiHeader.Height;
str += string.Format("sample size = {0}", am_media_type.sampleSize);
textBox1.Text = str;
DsUtils.FreeAMMediaType(am_media_type);
//SetBufferSamples를 실행하지 않으면 버퍼로부터 데이터를 얻을 수 없다.
//불필요하게 부하를 주고싶지 않은경우 false, 데이터를 얻고싶으면 true
pSampleGrabber.SetBufferSamples(true);
//play time
pMediaPosition = (DirectShowLib.IMediaPosition)pGraphBuilder;
double Length;
pMediaPosition.get_Duration(out Length);
String str2 = string.Format("play time: {0}", Length);
textBox1.Text = str2;
pMediaPosition.put_CurrentPosition(5.0); //set current Position
//2017.05.08
DirectShowLib.IVMRWindowlessControl9 windowlessCtrl = (DirectShowLib.IVMRWindowlessControl9)pRenderer;
windowlessCtrl.SetVideoClippingWindow(hWin.Handle);
IntPtr lpDib;
windowlessCtrl.GetCurrentImage(out lpDib);
BitmapInfoHeader head;
head = (BitmapInfoHeader)Marshal.PtrToStructure(lpDib, typeof(BitmapInfoHeader));
int width = head.Width;
int height = head.Height;
int stride = width * (head.BitCount / 8);
PixelFormat pixelFormat = PixelFormat.Format24bppRgb;
switch (head.BitCount)
{
case 24: pixelFormat = PixelFormat.Format24bppRgb; break;
case 32: pixelFormat = PixelFormat.Format32bppRgb; break;
case 48: pixelFormat = PixelFormat.Format48bppRgb; break;
default: throw new Exception("Unknown BitCount");
}
Bitmap Cap = new Bitmap(width, height, stride, pixelFormat, lpDib);
Cap.RotateFlip(RotateFlipType.RotateNoneFlipY);
pictureBox1.Image = Cap;
}
// Build the capture graph for grabber and renderer.</summary>
// (Control to show video in, Filename to play)
private void SetupGraph(string FileName)
{
int hr;
// Get the graphbuilder object
m_graphBuilder = new DirectShowLib.FilterGraph() as DirectShowLib.IFilterGraph2;
// Get a ICaptureGraphBuilder2 to help build the graph
DirectShowLib.ICaptureGraphBuilder2 icgb2 = new DirectShowLib.CaptureGraphBuilder2() as DirectShowLib.ICaptureGraphBuilder2;
try
{
// Link the ICaptureGraphBuilder2 to the IFilterGraph2
hr = icgb2.SetFiltergraph(m_graphBuilder);
DsError.ThrowExceptionForHR(hr);
#if DEBUG
// Allows you to view the graph with GraphEdit File/Connect
m_DsRot = new DsROTEntry(m_graphBuilder);
#endif
// Add the filters necessary to render the file. This function will
// work with a number of different file types.
IBaseFilter sourceFilter = null;
hr = m_graphBuilder.AddSourceFilter(FileName, FileName, out sourceFilter);
DsError.ThrowExceptionForHR(hr);
// Get the SampleGrabber interface
m_sampGrabber = (DirectShowLib.ISampleGrabber) new DirectShowLib.SampleGrabber();
DirectShowLib.IBaseFilter baseGrabFlt = (DirectShowLib.IBaseFilter)m_sampGrabber;
// Configure the Sample Grabber
ConfigureSampleGrabber(m_sampGrabber);
// Add it to the filter
hr = m_graphBuilder.AddFilter(baseGrabFlt, "Ds.NET Grabber");
DsError.ThrowExceptionForHR(hr);
// System.Windows.Forms.MessageBox.Show(Width.ToString(), Height.ToString(), System.Windows.Forms.MessageBoxButtons.OK);
// A Null Renderer does not display the video
// But it allows the Sample Grabber to run
// And it will keep proper playback timing
// Unless specified otherwise.
DirectShowLib.NullRenderer nullRenderer = new DirectShowLib.NullRenderer();
m_graphBuilder.AddFilter((DirectShowLib.IBaseFilter)nullRenderer, "Null Renderer");
// Connect the pieces together, use the default renderer
hr = icgb2.RenderStream(null, null, sourceFilter, baseGrabFlt, (DirectShowLib.IBaseFilter)nullRenderer);
DsError.ThrowExceptionForHR(hr);
// Now that the graph is built, read the dimensions of the bitmaps we'll be getting
SaveSizeInfo(m_sampGrabber);
// Configure the Video Window
//DirectShowLib.IVideoWindow videoWindow = m_graphBuilder as DirectShowLib.IVideoWindow;
//ConfigureVideoWindow(videoWindow, hWin);
// Grab some other interfaces
m_mediaEvent = m_graphBuilder as DirectShowLib.IMediaEvent;
m_mediaCtrl = m_graphBuilder as DirectShowLib.IMediaControl;
}
finally
{
if (icgb2 != null)
{
Marshal.ReleaseComObject(icgb2);
icgb2 = null;
}
}
#if DEBUG
// Double check to make sure we aren't releasing something
// important.
GC.Collect();
GC.WaitForPendingFinalizers();
#endif
}
