Exemplo n.º 1
0
        public void RenderAndRunVideo(VideoCaptureGraph vcg, bool playIt)
        {
            if (playIt)
            {
                Log("Playing video (render and run graph) - " + vcg.Source.FriendlyName);

                vcg.RenderLocal();

                VideoCapability.DisableDXVA(vcg.FilgraphManager);

                // Set device name in the video window and turn off the system menu
                IVideoWindow iVW = (IVideoWindow)vcg.FilgraphManager;
                iVW.Caption      = vcg.Source.FriendlyName;
                iVW.WindowStyle &= ~0x00080000; // WS_SYSMENU

                vcg.Run();
            }
            else
            {
                Log("Stop video (stop and unrender graph) - " + vcg.Source.FriendlyName);

                vcg.Stop();
                vcg.RemoveRenderer();

                // I have no idea why the video window stays up but this fixes it
                GC.Collect();
            }

            Log(FilterGraph.Debug(vcg.IFilterGraph));
        }
Exemplo n.º 2
0
        /// <summary>
        /// Restore the camera's last settings from the registry
        /// </summary>
        private void RestoreCameraSettings()
        {
            object setting;

            if (cg is VideoCaptureGraph)
            {
                VideoCaptureGraph vcg = (VideoCaptureGraph)cg;
                if (vcg.VideoSource.HasVideoStandards)
                {
                    if ((setting = AVReg.ReadValue(DeviceKey(), AVReg.VideoStandardIndex)) != null)
                    {
                        vcg.VideoSource.VideoStandardIndex = (int)setting;
                    }
                }
            }
            else if (cg is DVCaptureGraph)
            {
                DVCaptureGraph dvcg = (DVCaptureGraph)cg;
                if (dvcg.VideoSource.HasVideoStandards)
                {
                    if ((setting = AVReg.ReadValue(DeviceKey(), AVReg.VideoStandardIndex)) != null)
                    {
                        dvcg.VideoSource.VideoStandardIndex = (int)setting;
                    }
                }
            }
            if (cg.Source.HasPhysConns)
            {
                if ((setting = AVReg.ReadValue(DeviceKey(), AVReg.PhysicalConnectorIndex)) != null)
                {
                    cg.Source.PhysicalConnectorIndex = (int)setting;
                }
            }
        }
Exemplo n.º 3
0
        /// <summary>
        /// Creates the actual FilgraphManager with the chosen camera
        /// </summary>
        private void CreateVideoGraph(FilterInfo fi)
        {
            Debug.Assert(vcg == null);

            // Create the graph, which creates the source filter
            cg = new VideoCaptureGraph(fi);
            Log(vcg.VideoSource.Dump());
        }
 // CF2
 private void DisposeDevice()
 {
     if (vcg != null)
     {
         vcg.Stop();
         vcg.Dispose();
         vcg = null;
     }
 }
Exemplo n.º 5
0
        private void DeactivateVideoCapability(FilterInfo fi)
        {
            RenderAndRunVideo(vcg, false);
            vcg = null;

            VideoCapability vc = (VideoCapability)vcs[fi];

            vcs.Remove(fi);
            vc.DeactivateCamera();
        }
        private void Cleanup()
        {
            if (vcg != null)
            {
                vcg.Dispose(); // CF6 Dispose device when done (clean up internal filtergraph)
                vcg = null;

                // This shouldn't be necessary, but there seems to be some kind
                // of outstanding reference count that is taken care of here
                GC.Collect();
            }
        }
Exemplo n.º 7
0
        public frmVideoSettings(VideoCapability vc, frmAVDevices frmAV)
        {
            InitializeComponent();

            Debug.Assert(vc != null);
            Debug.Assert(vc.VideoCaptureGraph != null);
            Debug.Assert(frmAV != null);

            this.vc    = vc;
            this.vcg   = vc.VideoCaptureGraph;
            this.frmAV = frmAV;
        }
Exemplo n.º 8
0
        private void ActivateVideoCapability(FilterInfo fi)
        {
            Debug.Assert(!vcs.Contains(fi));
            vc = new VideoCapability(fi);
            vcs.Add(fi, vc);

            vc.SetLogger(new AVLogger(Log));
            vc.ActivateCamera();
            vcg = vc.VideoCaptureGraph;

            RenderAndRunVideo(vcg);
        }
Exemplo n.º 9
0
        // CF2 (with some changes for network)
        private void cklbCameras_ItemCheck(object sender, System.Windows.Forms.ItemCheckEventArgs e)
        {
            if (e.NewValue == CheckState.Checked)
            {
                UncheckAllDevices();

                vcg = new VideoCaptureGraph((FilterInfo)cklbCameras.SelectedItem); // Create filter and internal graph
                vcg.RenderNetwork(rtpSender);                                      // Add network filter, connect all filters
                vcg.Run();                                                         // Send data to network
            }
            else // Unchecked
            {
                DisposeDevice();
            }
        }
Exemplo n.º 10
0
        /// <summary>
        /// Creates the actual FilgraphManager with the chosen camera
        /// </summary>
        private void CreateVideoGraph(FilterInfo fi)
        {
            Debug.Assert(cg == null);

            // Create the graph, which creates the source filter
            if (DVSource.IsDVSourceWithAudio(fi))
            {
                cg = DVCaptureGraph.GetInstance(fi);
                Log(((DVCaptureGraph)cg).VideoSource.Dump());
            }
            else
            {
                cg = new VideoCaptureGraph(fi);
                Log(((VideoCaptureGraph)cg).VideoSource.Dump());
            }
        }
Exemplo n.º 11
0
        /// <summary>
        /// Shows the form's camera configuration dialog
        /// </summary>
        public void ShowCameraConfiguration()
        {
            if (cg is VideoCaptureGraph)
            {
                VideoCaptureGraph vcg = (VideoCaptureGraph)cg;
                if (vcg.VideoSource.IsVfw)
                {
                    RtlAwareMessageBox.Show(null, Strings.CanNotConfigureCamera, string.Empty, MessageBoxButtons.OK,
                                            MessageBoxIcon.None, MessageBoxDefaultButton.Button1, (MessageBoxOptions)0);
                    return;
                }

                if (cg != null && vcg.VideoSource.HasSourceDialog)
                {
                    vcg.VideoSource.ShowSourceDialog(form.Handle);
                }
            }
        }
        private void cklbCameras_ItemCheck(object sender, System.Windows.Forms.ItemCheckEventArgs e)
        {
            if (e.NewValue == CheckState.Checked)
            {
                // We only support one device at a time for this sample
                UncheckAllDevices();

                // CF1 Select camera
                // CF2 Initialize - Create filter and internal graph
                vcg = new VideoCaptureGraph((FilterInfo)cklbCameras.SelectedItem);
                vcg.RenderLocal();   // CF3 Connect all the filters
                VideoWindow();       // CF4 Set video window (if you like)
                vcg.Run();           // CF5 Start graph -> Show video
            }
            else // Unchecked
            {
                Cleanup();
            }
        }
Exemplo n.º 13
0
        /// <summary>
        /// Save the camera's current settings to the registry
        /// </summary>
        public void SaveCameraSettings()
        {
            if (cg is VideoCaptureGraph)
            {
                VideoCaptureGraph vcg = (VideoCaptureGraph)cg;
                if (vcg.VideoSource.HasVideoStandards)
                {
                    AVReg.WriteValue(DeviceKey(), AVReg.VideoStandardIndex, vcg.VideoSource.VideoStandardIndex);
                }
            }
            else if (cg is DVCaptureGraph)
            {
                DVCaptureGraph dvcg = (DVCaptureGraph)cg;
                if (dvcg.VideoSource.HasVideoStandards)    //Always false for DV devices?
                {
                    AVReg.WriteValue(DeviceKey(), AVReg.VideoStandardIndex, dvcg.VideoSource.VideoStandardIndex);
                }
            }

            SaveDeviceSettings();
        }
        // CF2 (with some changes for network)
        private void cklbCameras_ItemCheck(object sender, System.Windows.Forms.ItemCheckEventArgs e)
        {
            if (e.NewValue == CheckState.Checked)
            {
                UncheckAllDevices();

                // Create the graph for the device
                vcg = new VideoCaptureGraph((FilterInfo)cklbCameras.SelectedItem);

                // Add a compressor and configure it
                vcg.AddCompressor(VideoCompressor.DefaultFilterInfo());
                vcg.VideoCompressor.QualityInfo = VideoCompressor.DefaultQualityInfo;

                // Add network filter
                vcg.RenderNetwork(rtpSender);

                // Send data to network
                vcg.Run();
            }
            else // Unchecked
            {
                DisposeDevice();
            }
        }
Exemplo n.º 15
0
        private void clbCameras_SelectedIndexChanged(object sender, System.EventArgs e)
        {
            try
            {
                ClearVideoBox();

                vc  = (VideoCapability)vcs[(FilterInfo)clbCameras.SelectedItem];
                vcg = vc != null ? vc.VideoCaptureGraph : null;

                if (clbCameras.GetItemChecked(clbCameras.SelectedIndex))
                {
                    UpdateVideoBox();
                }
            }
            catch (COMException ex)
            {
                Log(DShowError._AMGetErrorText(ex.ErrorCode));
                Log(ex.ToString());
            }
            catch (Exception ex)
            {
                Log(ex.ToString());
            }
        }
Exemplo n.º 16
0
 public void RenderAndRunVideo(VideoCaptureGraph vcg)
 {
     RenderAndRunVideo(vcg, ckPlayVideo.Checked);
 }