internal override Bitmap TakePicture()
{
if (m_callbackCompleted != null)
{
return(null);
}
// m_pictureControl = pictureControl;
m_takePictureEnd = false;
DsDevice cameraDevice = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice)[m_cameraDeviceIndex];
IFilterGraph2 filterGraph = null;
IBaseFilter cam = null; IPin camCapture = null; // cam
ISampleGrabber sg = null; IPin sgIn = null; // samplegrabber
try
{
// setup filterGraph & connect camera
filterGraph = (IFilterGraph2) new FilterGraph();
DsError.ThrowExceptionForHR(filterGraph.AddSourceFilterForMoniker(cameraDevice.Mon, null, cameraDevice.Name, out cam));
// setup smarttee and connect so that cam(PinCategory.Capture)->st(PinDirection.Input)
camCapture = DsFindPin.ByCategory(cam, PinCategory.Capture, 0); // output
ConfStreamDimensions((IAMStreamConfig)camCapture);
// connect Camera output to SampleGrabber input
sg = (ISampleGrabber) new SampleGrabber();
// configure
AMMediaType media = new AMMediaType();
try
{
media.majorType = MediaType.Video;
media.subType = BPP2MediaSubtype(m_configuration.BPP); // this will ask samplegrabber to do convertions for us
media.formatType = FormatType.VideoInfo;
DsError.ThrowExceptionForHR(sg.SetMediaType(media));
}
finally
{
DsUtils.FreeAMMediaType(media);
media = null;
}
DsError.ThrowExceptionForHR(sg.SetCallback(this, 1)); // 1 = BufferCB
DsError.ThrowExceptionForHR(filterGraph.AddFilter((IBaseFilter)sg, "SG"));
sgIn = DsFindPin.ByDirection((IBaseFilter)sg, PinDirection.Input, 0); // input
DsError.ThrowExceptionForHR(filterGraph.Connect(camCapture, sgIn));
GetSizeInfo(sg);
// wait until timeout - or picture has been taken
if (m_callbackCompleted == null)
{
m_callbackCompleted = new ManualResetEvent(false);
// start filter
DsError.ThrowExceptionForHR(((IMediaControl)filterGraph).Run());
m_callbackState = 5;
//if (m_pictureControl != null)
//{
// m_callbackCompleted.WaitOne();
//}
//else
//{
if (!m_callbackCompleted.WaitOne(15000, false))
{
throw new Exception(); //"Timeout while waiting for Picture");
}
//}
return(m_capturedBitmap);
}
else
{
return(null);
}
}
finally
{
// release allocated objects
if (m_callbackCompleted != null)
{
m_callbackCompleted.Close();
m_callbackCompleted = null;
}
if (sgIn != null)
{
Marshal.ReleaseComObject(sgIn);
sgIn = null;
}
if (sg != null)
{
Marshal.ReleaseComObject(sg);
sg = null;
}
if (camCapture != null)
{
Marshal.ReleaseComObject(camCapture);
camCapture = null;
}
if (cam != null)
{
Marshal.ReleaseComObject(cam);
cam = null;
}
if (filterGraph != null)
{
try
{
((IMediaControl)filterGraph).Stop();
}
catch (Exception) { }
Marshal.ReleaseComObject(filterGraph);
filterGraph = null;
}
m_capturedBitmap = null;
m_callbackCompleted = null;
}
}
private static DsDevice[] GetDevices(Guid filterCategory)
{
return((from d in DsDevice.GetDevicesOfCat(filterCategory)
select d).ToArray());
}
public IBaseFilter Create(Guid category, string strName, out string strTitle)
{
_class.Debug.Log("[3] Create filter: name>" + strName);
IBaseFilter filter = null;
strTitle = "*NF*";
strName = strName.ToLower();
int hr = 0;
int intID = _class.Var.DeviceId;
if (strName.IndexOf('(') > -1)
{
string strID = strName.Substring(strName.IndexOf('(') + 1);
if (strID.IndexOf(')') > -1)
{
strID = strID.Substring(0, strID.IndexOf(')'));
}
strName = strName.Substring(0, strName.IndexOf('(')).Trim();
_class.Debug.Log("FilterName: " + strName);
_class.Debug.Log("DevID: " + strID);
try
{
intID = Convert.ToInt32(strID);
}
catch { }
_class.Debug.Log("Confirm DevID: " + intID.ToString());
}
int intDevID = 0;
DsDevice[] devices = DsDevice.GetDevicesOfCat(category);
foreach (DsDevice device in DsDevice.GetDevicesOfCat(category))
{
string strDevice = device.Name.ToLower();
_class.Debug.Log("device>" + strDevice);
if (strDevice.IndexOf(strName) > -1 || strDevice.ToLower() == "oem crossbar")
{
bool boolCreate = true;
_class.Debug.Log("TargetID=" + intID.ToString() + " [] + DevID=" + intDevID.ToString());
if (intDevID == intID)
{
boolCreate = true;
_class.Var.DeviceId = intID;
}
else
{
boolCreate = false;
}
if (boolCreate == true)
{
_class.Debug.Log("SetDeviceID (" + intDevID.ToString() + ")");
strTitle = device.Name;
IBindCtx bindCtx = null;
try
{
hr = Variables.CreateBindCtx(0, out bindCtx);
DsError.ThrowExceptionForHR(hr);
Guid guid = typeof(IBaseFilter).GUID;
object obj;
device.Mon.BindToObject(bindCtx, null, ref guid, out obj);
filter = (IBaseFilter)obj;
}
finally
{
if (bindCtx != null)
{
Marshal.ReleaseComObject(bindCtx);
}
}
}
else
{
_class.Debug.Log(intDevID.ToString() + " skipped");
}
intDevID++;
}
}
return(filter);
}
static void Main(string[] args)
{
Console.WriteLine("FocusUF " + Assembly.GetEntryAssembly().GetName().Version);
Console.WriteLine("Get the source at https://github.com/anotherlab/FocusUF");
var argsLists = SplitArgs(args.ToList());
// Get the list of connected video cameras
DsDevice[] devs = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
foreach (var argsList in argsLists)
{
_whatToDo = ProcessArgs(argsList);
IAMCameraControl camera;
switch (_whatToDo)
{
case Operation.Usage:
Usage();
break;
case Operation.ListCameras:
foreach (var cam in devs)
{
Console.WriteLine($"Camera: {cam.Name}");
camera = GetCamera(cam);
if (camera != null)
{
// Focus ranges and Values
camera.GetRange(CameraControlProperty.Focus, out int focusMin, out int focusMax, out int focusStep, out int focusDefault, out CameraControlFlags focusPossFlags);
camera.Get(CameraControlProperty.Focus, out int focusValue, out CameraControlFlags focusSetting);
Console.WriteLine($" Focus Capability: {focusPossFlags}");
Console.WriteLine($" Focus Range: {focusMin} - {focusMax}");
Console.WriteLine($" Focus Setting: {focusSetting}, {focusValue}");
camera.GetRange(CameraControlProperty.Exposure, out int expMin, out int expMax, out int expStep, out int expDefault, out CameraControlFlags expPossFlags);
camera.Get(CameraControlProperty.Exposure, out int expValue, out CameraControlFlags expSetting);
Console.WriteLine($" Exposure Capability: {expPossFlags}");
Console.WriteLine($" Exposure Range: {expMin} - {expMax}");
Console.WriteLine($" Exposure Setting: {expSetting}, {expValue}");
}
else
{
Console.WriteLine($" Camera does not expose settings through DirectShowLib");
}
}
break;
case Operation.ManualFocus:
SetCameraFlag(devs, _cameraName, CameraControlProperty.Focus, CameraControlFlags.Manual);
break;
case Operation.AutoFocus:
SetCameraFlag(devs, _cameraName, CameraControlProperty.Focus, CameraControlFlags.Auto);
break;
case Operation.SetFocus:
SetCameraValue(devs, _cameraName, CameraControlProperty.Focus, _focusSetting);
break;
case Operation.ManualExposure:
SetCameraFlag(devs, _cameraName, CameraControlProperty.Exposure, CameraControlFlags.Manual);
break;
case Operation.AutoExposure:
SetCameraFlag(devs, _cameraName, CameraControlProperty.Exposure, CameraControlFlags.Auto);
break;
case Operation.SetExposure:
SetCameraValue(devs, _cameraName, CameraControlProperty.Exposure, _exposureSetting);
break;
}
}
}
public BrCamera()
{
this.daCamera = new DaCamera();
this.rsCamera = new RsCamera();
this.systemCamereas = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
}
private void DetectSupportedLegacyAmFilterDevices(ref HashSet <string> previouslyKnownDevices, ref HashSet <string> knownDevices)
{
Log.Log.Debug("Detect legacy AM filter devices");
TvBusinessLayer layer = new TvBusinessLayer();
Setting setting = layer.GetSetting("iptvCardCount", "1");
int iptvTunerCount = Convert.ToInt32(setting.Value);
DsDevice[] connectedDevices = DsDevice.GetDevicesOfCat(FilterCategory.LegacyAmFilterCategory);
foreach (DsDevice connectedDevice in connectedDevices)
{
string name = connectedDevice.Name;
string devicePath = connectedDevice.DevicePath;
if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(devicePath))
{
continue;
}
if (name.Equals("B2C2 MPEG-2 Source"))
{
knownDevices.Add(devicePath);
if (!previouslyKnownDevices.Contains(devicePath))
{
Log.Log.Info("Detected new TechniSat *Star 2 tuner root device");
TvCardDvbSS2 tuner = new TvCardDvbSS2(connectedDevice);
_deviceEventListener.OnDeviceAdded(tuner);
}
}
else if (name.Equals("Elecard NWSource-Plus"))
{
for (int i = 0; i < iptvTunerCount; i++)
{
TvCardDVBIP iptvTuner = new TvCardDVBIPElecard(connectedDevice, i);
knownDevices.Add(iptvTuner.DevicePath);
if (!previouslyKnownDevices.Contains(iptvTuner.DevicePath))
{
Log.Log.Info("Detected new Elecard IPTV tuner {0} {1}", iptvTuner.Name, iptvTuner.DevicePath);
_deviceEventListener.OnDeviceAdded(iptvTuner);
}
else
{
iptvTuner.Dispose();
}
}
}
else if (name.Equals("MediaPortal IPTV Source Filter"))
{
for (int i = 0; i < iptvTunerCount; i++)
{
TvCardDVBIP iptvTuner = new TvCardDVBIPBuiltIn(connectedDevice, i);
knownDevices.Add(iptvTuner.DevicePath);
if (!previouslyKnownDevices.Contains(iptvTuner.DevicePath))
{
Log.Log.Info("Detected new MediaPortal IPTV tuner {0} {1}", iptvTuner.Name, iptvTuner.DevicePath);
_deviceEventListener.OnDeviceAdded(iptvTuner);
}
else
{
iptvTuner.Dispose();
}
}
}
}
}
private void Form1_Load(object sender, EventArgs e)
{
DsDevice[] capDev;
IFilterGraph2 m_FilterGraph = new FilterGraph() as IFilterGraph2;
IBaseFilter pDeviceFilter = null;
IAMCameraControl pCameraControl;
IAMVideoProcAmp pVideoProcAmp;
CameraControlFlags pCapsFlags;
VideoProcAmpFlags pCapsFlags2;
int pSteppingDelta;
int pMin;
int pMax;
int pDefault;
int pValue;
int yLocation = 40;
const int yStep = 113;
overWindowToggleButton.Appearance = Appearance.Button;
// TODO
updateButton.Visible = false;
// Get the collection of video devices
capDev = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
foreach (DsDevice d in capDev)
{
//listBox1.Items.Add(d.Name);
int hr;
object camDevice;
Guid iid = typeof(IBaseFilter).GUID;
d.Mon.BindToObject(null, null, ref iid, out camDevice);
IBaseFilter camFilter = camDevice as IBaseFilter;
pCameraControl = camFilter as IAMCameraControl;
pVideoProcAmp = camFilter as IAMVideoProcAmp;
if (pCameraControl != null)
{
GroupBox gb = new GroupBox();
CheckBox cbFocus = cbFocusHID = new CheckBox();
CheckBox cbExposure = new CheckBox();
Button butForce = new Button();
TrackBar tBarFocus = tBarFocusHID = new TrackBar();
TrackBar tBarExposure = new TrackBar();
gb.Text = d.Name;
gb.Width = 295;
gb.Height = 106;
gb.Location = new Point(13, yLocation);
pCameraControl.GetRange(CameraControlProperty.Focus, out pMin, out pMax, out pSteppingDelta, out pDefault, out pCapsFlags);
cbFocus.Text = "Auto focus";
cbFocus.Width = 78;
cbFocus.Height = 17;
cbFocus.Location = new Point(6, 23);
cbFocus.Tag = butForce;
cbFocus.Checked = (pCapsFlags == CameraControlFlags.Auto);
cbFocus.CheckedChanged += new EventHandler(this.checkBoxFocus_CheckedChanged);
butForce.Text = "Force";
butForce.Width = 75;
butForce.Height = 23;
butForce.Location = new Point(90, 19);
//butForce.Enabled = false;
butForce.Tag = pCameraControl;
butForce.Click += new EventHandler(this.ButtonForce_Click);
// TODO
//butBind.Visible = false;
//butBind.Text = "Bind key";
//butBind.Width = 75;
//butBind.Height = 23;
//butBind.Location = new Point(214, 19);
tBarFocus.Minimum = pMin;
tBarFocus.Maximum = pMax;
tBarFocus.Value = pDefault;
tBarFocus.Name = "TrackBarFocus";
tBarFocus.AutoSize = false;
tBarFocus.Width = 283;
tBarFocus.Height = 23;
tBarFocus.TickFrequency = pSteppingDelta;
tBarFocus.Location = new Point(6, 46);
tBarFocus.Tag = pCameraControl;
tBarFocus.Enabled = (pCapsFlags == CameraControlFlags.Manual);
pCameraControl.Get(CameraControlProperty.Focus, out pValue, out pCapsFlags);
tBarFocus.Value = pMax - pValue + pMin;
tBarFocus.Scroll += new EventHandler(this.TrackBarFocus_Scroll);
if (pVideoProcAmp != null)
{
ggghhh = pVideoProcAmp;
//pCameraControl.GetRange(CameraControlProperty.Exposure, out pMin, out pMax, out pSteppingDelta, out pDefault, out pCapsFlags);
ggghhh.GetRange(VideoProcAmpProperty.WhiteBalance, out pMin, out pMax, out pSteppingDelta, out pDefault, out pCapsFlags2);
cbExposure.Text = "Auto exposure";
cbExposure.Width = 98;
cbExposure.Height = 17;
cbExposure.Location = new Point(191, 23);
cbExposure.Tag = butForce;
cbExposure.Checked = true;
cbExposure.CheckedChanged += new EventHandler(this.checkBoxExposure_CheckedChanged);
tBarExposure.Minimum = pMin;
tBarExposure.Maximum = pMax;
tBarExposure.Value = pDefault;
tBarExposure.Name = "TrackBarExposure";
tBarExposure.AutoSize = false;
tBarExposure.Width = 283;
tBarExposure.Height = 23;
tBarExposure.TickFrequency = pSteppingDelta;
tBarExposure.Location = new Point(6, 73);
tBarExposure.Tag = pCameraControl;
tBarExposure.Enabled = false;
//pCameraControl.Get(CameraControlProperty.Exposure, out value, out pCapsFlags);
//tBarExposure.Value = pMax - value + pMin;
tBarExposure.Scroll += new EventHandler(this.TrackBarExposure_Scroll);
}
gb.Controls.Add(cbFocus);
gb.Controls.Add(butForce);
gb.Controls.Add(cbExposure);
gb.Controls.Add(tBarFocus);
gb.Controls.Add(tBarExposure);
Controls.Add(gb);
yLocation += yStep;
}
pVideoProcAmp = pDeviceFilter as IAMVideoProcAmp;
}
this.Height = 13 + yLocation + 39;
this.FormBorderStyle = FormBorderStyle.FixedSingle;
foreach (var x in HidDevices.Enumerate(VendorId, ProductId))
{
device = x;
device.OpenDevice();
byte data = 0xff;
HidReport out1 = new HidReport(data);
x.WriteReport(out1);
//byte[] str = new byte[x.Capabilities.OutputReportByteLength - 1]; ;
//x.ReadManufacturer(out str);
// Debug.WriteLine(System.Text.ASCIIEncoding.ASCII.GetString(str));
device.ReadReport(OnReport);
}
}
public static void AddBDATunerAndDemodulatorToGraph(IFilterGraph2 graphBuilder, IBaseFilter networkProvider, out IBaseFilter tuner, out IBaseFilter capture)
{
int hr = 0;
DsDevice[] devices;
ICaptureGraphBuilder2 capBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
capBuilder.SetFiltergraph(graphBuilder);
try
{
tuner = null;
capture = null;
devices = DsDevice.GetDevicesOfCat(FilterCategory.BDASourceFiltersCategory);
for (int i = 0; i < devices.Length; i++)
{
IBaseFilter tmp;
hr = graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
DsError.ThrowExceptionForHR(hr);
hr = capBuilder.RenderStream(null, null, networkProvider, null, tmp);
if (hr == 0)
{
tuner = tmp;
break;
}
else
{
hr = graphBuilder.RemoveFilter(tmp);
Marshal.ReleaseComObject(tmp);
}
}
devices = DsDevice.GetDevicesOfCat(FilterCategory.BDAReceiverComponentsCategory);
for (int i = 0; i < devices.Length; i++)
{
IBaseFilter tmp;
hr = graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
DsError.ThrowExceptionForHR(hr);
hr = capBuilder.RenderStream(null, null, tuner, null, tmp);
if (hr == 0)
{
capture = tmp;
break;
}
else
{
hr = graphBuilder.RemoveFilter(tmp);
Marshal.ReleaseComObject(tmp);
}
}
}
finally
{
Marshal.ReleaseComObject(capBuilder);
}
}
private void AddAndConnectBDABoardFilters()
{
int hr = 0;
DsDevice[] devices;
ICaptureGraphBuilder2 capBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
capBuilder.SetFiltergraph(this.graphBuilder);
try
{
// Enumerate BDA Source filters category and found one that can connect to the network provider
devices = DsDevice.GetDevicesOfCat(FilterCategory.BDASourceFiltersCategory);
for (int i = 0; i < devices.Length; i++)
{
IBaseFilter tmp;
hr = graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
DsError.ThrowExceptionForHR(hr);
hr = capBuilder.RenderStream(null, null, this.networkProvider, null, tmp);
if (hr == 0)
{
// Got it !
this.tuner = tmp;
break;
}
else
{
// Try another...
hr = graphBuilder.RemoveFilter(tmp);
Marshal.ReleaseComObject(tmp);
}
}
if (this.tuner == null)
{
throw new ApplicationException("Can't find a valid BDA tuner");
}
// trying to connect this filter to the MPEG-2 Demux
hr = capBuilder.RenderStream(null, null, tuner, null, mpeg2Demux);
if (hr >= 0)
{
// this is a one filter model
this.demodulator = null;
this.capture = null;
return;
}
else
{
// Then enumerate BDA Receiver Components category to found a filter connecting
// to the tuner and the MPEG2 Demux
devices = DsDevice.GetDevicesOfCat(FilterCategory.BDAReceiverComponentsCategory);
for (int i = 0; i < devices.Length; i++)
{
IBaseFilter tmp;
hr = graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
DsError.ThrowExceptionForHR(hr);
hr = capBuilder.RenderStream(null, null, this.tuner, null, tmp);
if (hr == 0)
{
// Got it !
this.capture = tmp;
// Connect it to the MPEG-2 Demux
hr = capBuilder.RenderStream(null, null, this.capture, null, this.mpeg2Demux);
if (hr >= 0)
{
// This second filter connect both with the tuner and the demux.
// This is a capture filter...
return;
}
else
{
// This second filter connect with the tuner but not with the demux.
// This is in fact a demodulator filter. We now must find the true capture filter...
this.demodulator = this.capture;
this.capture = null;
// saving the Demodulator's DevicePath to avoid creating it twice.
string demodulatorDevicePath = devices[i].DevicePath;
for (int j = 0; i < devices.Length; j++)
{
if (devices[j].DevicePath.Equals(demodulatorDevicePath))
{
continue;
}
hr = graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
DsError.ThrowExceptionForHR(hr);
hr = capBuilder.RenderStream(null, null, this.demodulator, null, tmp);
if (hr == 0)
{
// Got it !
this.capture = tmp;
// Connect it to the MPEG-2 Demux
hr = capBuilder.RenderStream(null, null, this.capture, null, this.mpeg2Demux);
if (hr >= 0)
{
// This second filter connect both with the demodulator and the demux.
// This is a true capture filter...
return;
}
}
else
{
// Try another...
hr = graphBuilder.RemoveFilter(tmp);
Marshal.ReleaseComObject(tmp);
}
} // for j
// We have a tuner and a capture/demodulator that don't connect with the demux
// and we found no additionals filters to build a working filters chain.
throw new ApplicationException("Can't find a valid BDA filter chain");
}
}
else
{
// Try another...
hr = graphBuilder.RemoveFilter(tmp);
Marshal.ReleaseComObject(tmp);
}
} // for i
// We have a tuner that connect to the Network Provider BUT not with the demux
// and we found no additionals filters to build a working filters chain.
throw new ApplicationException("Can't find a valid BDA filter chain");
}
}
finally
{
Marshal.ReleaseComObject(capBuilder);
}
}
private void SetupDialogForm_Load(object sender, EventArgs e)
{
List <DeviceItem> items = new List <DeviceItem>(); bool found = false;
foreach (DsDevice device in DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice))
{
if (string.IsNullOrEmpty(device.Name))
{
continue;
}
items.Add(new DeviceItem(device.Name));
if (device.Name == Camera.webcamName)
{
found = true;
}
}
if (!found)
{
items.Add(new DeviceItem(Camera.webcamName, false));
}
items.Sort(this);
this.comboBoxWebcam.Items.Clear();
this.comboBoxWebcam.Items.AddRange(items.ToArray());
for (int index = 0; index < items.Count; index++)
{
DeviceItem item = items[index];
if (item.Name == Camera.webcamName)
{
this.comboBoxWebcam.SelectedIndex = index;
}
}
this.textBoxPixelSizeX.Text = Camera.pixelSizeX.ToString();
this.textBoxPixelSizeY.Text = Camera.pixelSizeY.ToString();
/////
items.Clear(); found = false;
foreach (string name in SerialPort.GetPortNames())
{
items.Add(new DeviceItem(name));
if (name == Camera.comPortName)
{
found = true;
}
}
if (!found)
{
items.Add(new DeviceItem(Camera.comPortName, false));
}
items.Sort(this);
this.comboBoxComPort.Items.Clear();
this.comboBoxComPort.Items.AddRange(items.ToArray());
for (int index = 0; index < items.Count; index++)
{
DeviceItem item = items[index];
if (item.Name == Camera.comPortName)
{
this.comboBoxComPort.SelectedIndex = index;
}
}
Util util = new Util();
if (util.ServicePack > 0)
{
this.labelPlatformVersion.Text = string.Format(CultureInfo.InvariantCulture, "Platform Version: {0}.{1} SP{2}", util.MajorVersion, util.MinorVersion, util.ServicePack);
}
else
{
this.labelPlatformVersion.Text = string.Format(CultureInfo.InvariantCulture, "Platform Version: {0}.{1}", util.MajorVersion, util.MinorVersion);
}
Version version = Assembly.GetExecutingAssembly().GetName().Version;
this.labelDriverVersion.Text = string.Format(CultureInfo.InvariantCulture, "Driver Version: {0}.{1}", version.Major, version.Minor);
this.checkBoxTraceLogger.Checked = Camera.traceLogger.Enabled;
}
/// <summary>
/// Initializes a new instance of the Capture class.
/// Use capture device zero, default frame rate and size
/// </summary>
public Capture()
{
Initialize();
DsDevice[] capDevices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
NewCamera(capDevices[0], 0, 0, 0); //force default values
}
/// <summary>
/// Creates the filter by trying to detect it
/// </summary>
/// <param name="tuner">The tuner component</param>
/// <param name="graph">The stored graph</param>
/// <param name="graphBuilder">The graphBuilder</param>
/// <returns>true, if the graph building was successful</returns>
private bool CreateAutomaticFilterInstance(Graph graph, IFilterGraph2 graphBuilder, Tuner tuner)
{
_audioTunerIn = null;
DsDevice[] devices;
//get list of all crossbar devices installed on this system
try
{
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSCrossbar);
devices = DeviceSorter.Sort(devices, graph.Tuner.Name);
}
catch (Exception)
{
Log.Log.WriteFile("analog: AddCrossBarFilter no crossbar devices found");
return(false);
}
if (devices == null || devices.Length == 0)
{
Log.Log.WriteFile("analog: AddCrossBarFilter no crossbar devices found");
return(false);
}
//try each crossbar
for (int i = 0; i < devices.Length; i++)
{
IBaseFilter tmp;
Log.Log.WriteFile("analog: AddCrossBarFilter try:{0} {1}", devices[i].Name, i);
//if crossbar is already in use then we can skip it
if (DevicesInUse.Instance.IsUsed(devices[i]))
{
continue;
}
int hr;
try
{
//add the crossbar to the graph
hr = graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
}
catch (Exception)
{
Log.Log.WriteFile("analog: cannot add filter to graph");
continue;
}
if (hr != 0)
{
//failed. try next crossbar
if (tmp != null)
{
graphBuilder.RemoveFilter(tmp);
Release.ComObject("CrossBarFilter", tmp);
}
continue;
}
_crossBarFilter = (IAMCrossbar)tmp;
CheckCapabilities();
if (_videoOutPinIndex == -1)
{
Log.Log.WriteFile("analog: AddCrossbarFilter no video output found");
graphBuilder.RemoveFilter(tmp);
_crossBarFilter = null;
Release.ComObject("CrossBarFilter", tmp);
continue;
}
// Check that the crossbar has a tuner video input pin.
IPin pinIn = null;
if (_videoPinMap.ContainsKey(AnalogChannel.VideoInputType.Tuner))
{
pinIn = DsFindPin.ByDirection(tmp, PinDirection.Input, _videoPinMap[AnalogChannel.VideoInputType.Tuner]);
}
if (pinIn == null)
{
// no pin found, continue with next crossbar
Log.Log.WriteFile("analog: AddCrossBarFilter no video tuner input pin detected");
if (tmp != null)
{
graphBuilder.RemoveFilter(tmp);
_crossBarFilter = null;
Release.ComObject("CrossBarFilter", tmp);
}
continue;
}
//connect tv tuner->crossbar
int tempVideoPinIndex;
if (FilterGraphTools.ConnectFilter(graphBuilder, tuner.Filter, pinIn, out tempVideoPinIndex))
{
// Got it, we're done
_filterCrossBar = tmp;
_crossBarDevice = devices[i];
DevicesInUse.Instance.Add(_crossBarDevice);
if (_audioTunerIn == null)
{
_audioTunerIn = DsFindPin.ByDirection(_filterCrossBar, PinDirection.Input,
_audioPinMap[AnalogChannel.AudioInputType.Tuner]);
}
Release.ComObject("crossbar videotuner pin", pinIn);
_videoOut = DsFindPin.ByDirection(_filterCrossBar, PinDirection.Output, _videoOutPinIndex);
if (_audioOutPinIndex != -1)
{
_audioOut = DsFindPin.ByDirection(_filterCrossBar, PinDirection.Output, _audioOutPinIndex);
}
Log.Log.WriteFile("analog: AddCrossBarFilter succeeded");
graph.Crossbar.AudioOut = _audioOutPinIndex;
graph.Crossbar.AudioPinMap = _audioPinMap;
graph.Crossbar.Name = _crossBarDevice.Name;
graph.Crossbar.VideoOut = _videoOutPinIndex;
graph.Crossbar.VideoPinMap = _videoPinMap;
graph.Crossbar.VideoPinRelatedAudioMap = _videoPinRelatedAudioMap;
graph.Tuner.VideoPin = tempVideoPinIndex;
break;
}
// cannot connect tv tuner to crossbar, try next crossbar device
graphBuilder.RemoveFilter(tmp);
Release.ComObject("crossbar videotuner pin", pinIn);
Release.ComObject("crossbar filter", tmp);
}
return(_filterCrossBar != null);
}
/// <summary>
/// Creates the filter based on the configuration file
/// </summary>
/// <param name="tuner">The tuner component</param>
/// <param name="graph">The stored graph</param>
/// <param name="graphBuilder">The graphBuilder</param>
/// <returns>true, if the graph building was successful</returns>
private bool CreateConfigurationBasedFilterInstance(Graph graph, IFilterGraph2 graphBuilder, Tuner tuner)
{
string deviceName = graph.Crossbar.Name;
_audioTunerIn = null;
DsDevice[] devices;
//get list of all crossbar devices installed on this system
try
{
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSCrossbar);
devices = DeviceSorter.Sort(devices, graph.Tuner.Name);
}
catch (Exception)
{
Log.Log.WriteFile("analog: AddCrossBarFilter no crossbar devices found");
return(false);
}
if (devices == null || devices.Length == 0)
{
Log.Log.WriteFile("analog: AddCrossBarFilter no crossbar devices found");
return(false);
}
//try each crossbar
for (int i = 0; i < devices.Length; i++)
{
IBaseFilter tmp;
//if crossbar is already in use then we can skip it
if (DevicesInUse.Instance.IsUsed(devices[i]))
{
continue;
}
if (!deviceName.Equals(devices[i].Name))
{
continue;
}
Log.Log.WriteFile("analog: AddCrossBarFilter use:{0} {1}", devices[i].Name, i);
int hr;
try
{
//add the crossbar to the graph
hr = graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
}
catch (Exception)
{
Log.Log.WriteFile("analog: cannot add filter to graph");
continue;
}
if (hr != 0)
{
//failed. try next crossbar
if (tmp != null)
{
graphBuilder.RemoveFilter(tmp);
Release.ComObject("CrossBarFilter", tmp);
}
continue;
}
_crossBarFilter = (IAMCrossbar)tmp;
_videoPinMap = graph.Crossbar.VideoPinMap;
_audioPinMap = graph.Crossbar.AudioPinMap;
_videoPinRelatedAudioMap = graph.Crossbar.VideoPinRelatedAudioMap;
_videoOutPinIndex = graph.Crossbar.VideoOut;
_audioOutPinIndex = graph.Crossbar.AudioOut;
if (_videoOutPinIndex == -1)
{
Log.Log.WriteFile("analog: AddCrossbarFilter no video output found");
graphBuilder.RemoveFilter(tmp);
_crossBarFilter = null;
Release.ComObject("CrossBarFilter", tmp);
continue;
}
//connect tv tuner->crossbar
IPin tunerOut = DsFindPin.ByDirection(tuner.Filter, PinDirection.Output,
graph.Tuner.VideoPin);
if (tunerOut != null && _videoPinMap.ContainsKey(AnalogChannel.VideoInputType.Tuner) &&
FilterGraphTools.ConnectPin(graphBuilder, tunerOut, tmp, _videoPinMap[AnalogChannel.VideoInputType.Tuner]))
{
// Got it, we're done
_filterCrossBar = tmp;
_crossBarDevice = devices[i];
DevicesInUse.Instance.Add(_crossBarDevice);
if (_audioTunerIn == null)
{
_audioTunerIn = DsFindPin.ByDirection(_filterCrossBar, PinDirection.Input,
_audioPinMap[AnalogChannel.AudioInputType.Tuner]);
}
Release.ComObject("tuner video out", tunerOut);
_videoOut = DsFindPin.ByDirection(_filterCrossBar, PinDirection.Output, _videoOutPinIndex);
if (_audioOutPinIndex != -1)
{
_audioOut = DsFindPin.ByDirection(_filterCrossBar, PinDirection.Output, _audioOutPinIndex);
}
Log.Log.WriteFile("analog: AddCrossBarFilter succeeded");
break;
}
// cannot connect tv tuner to crossbar, try next crossbar device
if (tmp != null)
{
graphBuilder.RemoveFilter(tmp);
Release.ComObject("crossbarFilter filter", tmp);
}
if (tunerOut != null)
{
Release.ComObject("tuner video out", tunerOut);
}
}
return(_filterCrossBar != null);
}
public static List <string> GetDevices()
{
var devices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
return(devices.Select(t => t.Name).ToList());
}
protected DsDevice FindDeviceByName(string name)
{
var devices = DsDevice.GetDevicesOfCat(FilterCategory.LegacyAmFilterCategory);
return(devices.FirstOrDefault(device => device.GetPropBagValue("FriendlyName") == name));
}
public CameraActivity()
{
ListCamerasData = new List <KeyValuePair <int, string> >();
_SystemCamereas = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
_DeviceIndex = 0;
}
/// <summary>
/// Configures the DirectShow graph to play the selected video capture
/// device with the selected parameters
/// </summary>
private void SetupGraph()
{
/* Clean up any messes left behind */
FreeResources();
try
{
/* Create a new graph */
m_graph = (IGraphBuilder) new FilterGraphNoThread();
#if DEBUG
m_rotEntry = new DsROTEntry(m_graph);
#endif
/* Create a capture graph builder to help
* with rendering a capture graph */
var graphBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
/* Set our filter graph to the capture graph */
int hr = graphBuilder.SetFiltergraph(m_graph);
DsError.ThrowExceptionForHR(hr);
/* Add our capture device source to the graph */
if (m_videoCaptureSourceChanged)
{
m_captureDevice = AddFilterByName(m_graph,
FilterCategory.VideoInputDevice,
VideoCaptureSource);
m_videoCaptureSourceChanged = false;
}
else if (m_videoCaptureDeviceChanged)
{
m_captureDevice = AddFilterByDevicePath(m_graph,
FilterCategory.VideoInputDevice,
VideoCaptureDevice.DevicePath);
m_videoCaptureDeviceChanged = false;
}
/* If we have a null capture device, we have an issue */
if (m_captureDevice == null)
{
throw new Exception(string.Format("Capture device {0} not found or could not be created", VideoCaptureSource));
}
if (UseYuv && !EnableSampleGrabbing)
{
/* Configure the video output pin with our parameters and if it fails
* then just use the default media subtype*/
if (!SetVideoCaptureParameters(graphBuilder, m_captureDevice, MediaSubType.YUY2))
{
SetVideoCaptureParameters(graphBuilder, m_captureDevice, Guid.Empty);
}
}
else
{
/* Configure the video output pin with our parameters */
SetVideoCaptureParameters(graphBuilder, m_captureDevice, Guid.Empty);
}
var rendererType = VideoRendererType.VideoMixingRenderer9;
/* Creates a video renderer and register the allocator with the base class */
m_renderer = CreateVideoRenderer(rendererType, m_graph, 1);
if (rendererType == VideoRendererType.VideoMixingRenderer9)
{
var mixer = m_renderer as IVMRMixerControl9;
if (mixer != null && !EnableSampleGrabbing && UseYuv)
{
VMR9MixerPrefs dwPrefs;
mixer.GetMixingPrefs(out dwPrefs);
dwPrefs &= ~VMR9MixerPrefs.RenderTargetMask;
dwPrefs |= VMR9MixerPrefs.RenderTargetYUV;
/* Prefer YUV */
mixer.SetMixingPrefs(dwPrefs);
}
}
if (EnableSampleGrabbing)
{
m_sampleGrabber = (ISampleGrabber) new SampleGrabber();
SetupSampleGrabber(m_sampleGrabber);
hr = m_graph.AddFilter(m_sampleGrabber as IBaseFilter, "SampleGrabber");
DsError.ThrowExceptionForHR(hr);
}
IBaseFilter mux = null;
IFileSinkFilter sink = null;
if (!string.IsNullOrEmpty(this.m_fileName))
{
hr = graphBuilder.SetOutputFileName(MediaSubType.Asf, this.m_fileName, out mux, out sink);
DsError.ThrowExceptionForHR(hr);
hr = graphBuilder.RenderStream(PinCategory.Capture, MediaType.Video, m_captureDevice, null, mux);
DsError.ThrowExceptionForHR(hr);
// use the first audio device
var audioDevices = DsDevice.GetDevicesOfCat(FilterCategory.AudioInputDevice);
if (audioDevices.Length > 0)
{
var audioDevice = AddFilterByDevicePath(m_graph,
FilterCategory.AudioInputDevice,
audioDevices[0].DevicePath);
hr = graphBuilder.RenderStream(PinCategory.Capture, MediaType.Audio, audioDevice, null, mux);
DsError.ThrowExceptionForHR(hr);
}
}
hr = graphBuilder.RenderStream(PinCategory.Preview,
MediaType.Video,
m_captureDevice,
null,
m_renderer);
DsError.ThrowExceptionForHR(hr);
/* Register the filter graph
* with the base classes */
SetupFilterGraph(m_graph);
/* Sets the NaturalVideoWidth/Height */
SetNativePixelSizes(m_renderer);
HasVideo = true;
/* Make sure we Release() this COM reference */
if (mux != null)
{
Marshal.ReleaseComObject(mux);
}
if (sink != null)
{
Marshal.ReleaseComObject(sink);
}
Marshal.ReleaseComObject(graphBuilder);
}
catch (Exception ex)
{
/* Something got fuct up */
FreeResources();
InvokeMediaFailed(new MediaFailedEventArgs(ex.Message, ex));
}
/* Success */
InvokeMediaOpened();
}
public void Initialize(ContentManager content, GraphicsDevice graphics)
{
//WebCamDevices
webCamDevices = new System.Windows.Forms.ComboBox();
webCamDevices.Location = new System.Drawing.Point(635, 320);
webCamDevices.Size = new System.Drawing.Size(200, 40);
webCamDevices.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
webCamDevices.Name = "WebCamDevices";
webCamDevices.AllowDrop = false;
webCamDevices.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
cameraDevices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
//
//WebCamera
//
cameraFeedBox = new System.Windows.Forms.PictureBox();
((System.ComponentModel.ISupportInitialize)(cameraFeedBox)).BeginInit();
stillImageBox = new System.Windows.Forms.PictureBox();
((System.ComponentModel.ISupportInitialize)(stillImageBox)).BeginInit();
//CameraFeed
cameraFeedBox.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
cameraFeedBox.Location = new System.Drawing.Point(635, 165);
cameraFeedBox.Name = "CameraFeed";
cameraFeedBox.Size = new System.Drawing.Size(200, 150);
cameraFeedBox.TabIndex = 0;
cameraFeedBox.TabStop = false;
//StillImage
stillImageBox.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
stillImageBox.Location = new System.Drawing.Point(630, 400);
stillImageBox.Name = "StillImage";
stillImageBox.Size = new System.Drawing.Size(200, 150);
stillImageBox.TabIndex = 1;
stillImageBox.TabStop = false;
//Cameraboxes
cameraBoxes = new System.Windows.Forms.PictureBox();
cameraBoxes.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
cameraBoxes.Location = new System.Drawing.Point(0, 0);
cameraBoxes.Name = "CameraBox";
cameraBoxes.Size = new System.Drawing.Size(VIDEOWIDTH, VIDEOHEIGHT);
cameraBoxes.TabIndex = 0;
cameraBoxes.BackColor = System.Drawing.Color.Transparent;
System.Drawing.Bitmap pic = new System.Drawing.Bitmap(VIDEOWIDTH, VIDEOHEIGHT);
using (System.Drawing.Graphics graph = System.Drawing.Graphics.FromImage(pic))
{
System.Drawing.Pen pen = new System.Drawing.Pen(System.Drawing.Color.Purple, 1);
System.Drawing.Brush b = System.Drawing.Brushes.Transparent;
graph.FillRectangle(b, 0, 0, 200, 150);
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
graph.DrawRectangle(pen, 25 + 25 - 10 + 50 * j, 25 - 10 + 50 * i, 20, 20);
}
}
pen.Dispose();
}
cameraBoxes.Image = pic;
cameraFeedBox.Controls.Add(cameraBoxes);
System.Windows.Forms.Control.FromHandle(GameEngine.WindowPtr).Controls.Add(stillImageBox);
System.Windows.Forms.Control.FromHandle(GameEngine.WindowPtr).Controls.Add(cameraFeedBox);
System.Windows.Forms.Control.FromHandle(GameEngine.WindowPtr).Controls.Add(webCamDevices);
webCamDevices.SelectedIndexChanged += On_WebDeviceChanged;
//CameraButton
takeImageButton = new Button(new Sprite2D(content.Load <Texture2D>("Sprites/Button"), new Rectangle(635 + 50, 345, 100, 50)));
cameraIcon = new Sprite2D(content.Load <Texture2D>("Sprites/Camera"), new Rectangle(0, 0, 50, 50));
cameraIcon.Center(takeImageButton.Bounds);
takeImageButton.Click += On_TakeImageButtonClick;
//Background
background = new Sprite2D(content.Load <Texture2D>("Sprites/ColorChooserBackground"), new Rectangle(585, 100, 300, 525));
//Extra
exitBtn = new Button(new Sprite2D(content.Load <Texture2D>("Sprites/XMark"), new Rectangle(865, 100, 20, 20)));
exitBtn.Click += new EventHandler((sender, e) => { OnExitButtonClick(); });
UpdateCameraDevices();
}
private void DetectSupportedBdaSourceDevices(ref HashSet <string> previouslyKnownDevices, ref HashSet <string> knownDevices)
{
Log.Log.Debug("Detect BDA source devices");
// MS generic, MCE 2005 roll-up 2 or better
bool isMsGenericNpAvailable = FilterGraphTools.IsThisComObjectInstalled(typeof(NetworkProvider).GUID);
DsDevice[] connectedDevices = DsDevice.GetDevicesOfCat(FilterCategory.BDASourceFiltersCategory);
foreach (DsDevice connectedDevice in connectedDevices)
{
string name = connectedDevice.Name;
string devicePath = connectedDevice.DevicePath;
if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(devicePath))
{
continue;
}
if (previouslyKnownDevices.Contains(devicePath))
{
knownDevices.Add(devicePath);
continue;
}
// North American CableCARD tuners [PBDA].
if (name.StartsWith("HDHomeRun Prime") || name.StartsWith("Ceton InfiniTV"))
{
Log.Log.Info("Detected new PBDA CableCARD tuner device {0} {1}", name, devicePath);
TunerPbdaCableCard cableCardTuner = new TunerPbdaCableCard(connectedDevice);
knownDevices.Add(devicePath);
_deviceEventListener.OnDeviceAdded(cableCardTuner);
continue;
}
IBaseFilter tmpDeviceFilter;
try
{
_graphBuilder.AddSourceFilterForMoniker(connectedDevice.Mon, null, name, out tmpDeviceFilter);
}
catch (Exception ex)
{
Log.Log.Error("Failed to add filter to detect device type for {0}!\r\n{1}", name, ex);
continue;
}
try
{
// Silicondust regular (non-CableCARD) HDHomeRun. Workaround for tuner type
// detection issue. The MS generic provider would always detect DVB-T.
bool isCablePreferred = false;
if (name.StartsWith("Silicondust HDHomeRun Tuner"))
{
isCablePreferred = GetHdHomeRunSourceType(name).Equals("Digital Cable");
}
Log.Log.Info("Detected new digital BDA tuner device {0} {1}", name, devicePath);
// Try the MediaPortal network provider first.
ITVCard deviceToAdd = null;
if (_mpNp != null)
{
Log.Log.Debug(" check type with MP NP");
IDvbNetworkProvider interfaceNetworkProvider = (IDvbNetworkProvider)_mpNp;
string hash = GetHash(devicePath);
interfaceNetworkProvider.ConfigureLogging(GetFileName(devicePath), hash, LogLevelOption.Debug);
if (ConnectFilter(_graphBuilder, _mpNp, tmpDeviceFilter))
{
TuningType tuningTypes;
interfaceNetworkProvider.GetAvailableTuningTypes(out tuningTypes);
Log.Log.Debug(" tuning types = {0}, hash = {1}", tuningTypes, hash);
if ((tuningTypes & TuningType.DvbT) != 0 && !isCablePreferred)
{
deviceToAdd = new TvCardDVBT(connectedDevice);
}
else if ((tuningTypes & TuningType.DvbS) != 0 && !isCablePreferred)
{
deviceToAdd = new TvCardDVBS(connectedDevice);
}
else if ((tuningTypes & TuningType.DvbC) != 0)
{
deviceToAdd = new TvCardDVBC(connectedDevice);
}
else if ((tuningTypes & TuningType.Atsc) != 0)
{
deviceToAdd = new TvCardATSC(connectedDevice);
}
else
{
Log.Log.Debug(" connected to MP NP but type not recognised");
}
}
else
{
Log.Log.Debug(" failed to connect to MP NP");
}
}
// Try the Microsoft network provider next if the MP NP
// failed and the MS generic NP is available.
if (deviceToAdd == null && isMsGenericNpAvailable)
{
// Note: the MS NP must be added/removed to/from the graph for each
// device that is checked. If you don't do this, the networkTypes
// list gets longer and longer and longer.
Log.Log.Debug(" check type with MS NP");
IBaseFilter genericNp = null;
try
{
genericNp = FilterGraphTools.AddFilterFromClsid(_graphBuilder, typeof(NetworkProvider).GUID, "Microsoft Network Provider");
}
catch
{
genericNp = null;
}
if (genericNp == null)
{
Log.Log.Error(" failed to add MS NP to graph");
}
else
{
if (ConnectFilter(_graphBuilder, genericNp, tmpDeviceFilter))
{
int networkTypesMax = 5;
int networkTypeCount;
Guid[] networkTypes = new Guid[networkTypesMax];
int hr = (genericNp as ITunerCap).get_SupportedNetworkTypes(networkTypesMax, out networkTypeCount, networkTypes);
Log.Log.Debug(" network type count = {0}", networkTypeCount);
for (int n = 0; n < networkTypeCount; n++)
{
Log.Log.Debug(" network type {0} = {1}", n, networkTypes[n]);
}
for (int n = 0; n < networkTypeCount; n++)
{
if (networkTypes[n] == typeof(DVBTNetworkProvider).GUID && !isCablePreferred)
{
deviceToAdd = new TvCardDVBT(connectedDevice);
}
else if (networkTypes[n] == typeof(DVBSNetworkProvider).GUID && !isCablePreferred)
{
deviceToAdd = new TvCardDVBS(connectedDevice);
}
else if (networkTypes[n] == typeof(DVBCNetworkProvider).GUID)
{
deviceToAdd = new TvCardDVBC(connectedDevice);
}
else if (networkTypes[n] == typeof(ATSCNetworkProvider).GUID)
{
deviceToAdd = new TvCardATSC(connectedDevice);
}
if (deviceToAdd != null)
{
break;
}
else if (n == (networkTypeCount - 1))
{
Log.Log.Debug(" connected to MS NP but type not recognised");
}
}
}
else
{
Log.Log.Debug(" failed to connect to MS NP");
}
_graphBuilder.RemoveFilter(genericNp);
Release.ComObject("device detection generic network provider", genericNp);
genericNp = null;
}
}
// Last shot is the old style Microsoft network providers.
if (deviceToAdd == null)
{
Log.Log.Debug(" check type with specific NPs");
if (ConnectFilter(_graphBuilder, _dvbtNp, tmpDeviceFilter))
{
deviceToAdd = new TvCardDVBT(connectedDevice);
}
else if (ConnectFilter(_graphBuilder, _dvbcNp, tmpDeviceFilter))
{
deviceToAdd = new TvCardDVBC(connectedDevice);
}
else if (ConnectFilter(_graphBuilder, _dvbsNp, tmpDeviceFilter))
{
deviceToAdd = new TvCardDVBS(connectedDevice);
}
else if (ConnectFilter(_graphBuilder, _atscNp, tmpDeviceFilter))
{
deviceToAdd = new TvCardATSC(connectedDevice);
}
else
{
Log.Log.Debug(" failed to connect to specific NP");
}
}
if (deviceToAdd != null)
{
Log.Log.Info(" tuner type = {0}", deviceToAdd.CardType);
knownDevices.Add(devicePath);
_deviceEventListener.OnDeviceAdded(deviceToAdd);
}
}
finally
{
_graphBuilder.RemoveFilter(tmpDeviceFilter);
Release.ComObject("device detection device filter", tmpDeviceFilter);
}
}
}
/// <summary>
/// Creates the filter based on the configuration file
/// </summary>
/// <param name="tvAudio">The tvaudio component</param>
/// <param name="crossbar">The crossbar componen</param>
/// <param name="tuner">The tuner component</param>
/// <param name="graph">The stored graph</param>
/// <param name="graphBuilder">The graphBuilder</param>
/// <param name="capBuilder">The Capture graph builder</param>
/// <returns>true, if the graph building was successful</returns>
private bool CreateConfigurationBasedFilterInstance(Graph graph, ICaptureGraphBuilder2 capBuilder,
IFilterGraph2 graphBuilder, Tuner tuner, Crossbar crossbar,
TvAudio tvAudio)
{
string audioDeviceName = graph.Capture.AudioCaptureName;
string videoDeviceName = graph.Capture.Name;
DsDevice[] devices;
bool videoConnected = false;
bool audioConnected = false;
//get a list of all video capture devices
try
{
if (tuner.TunerName == "Adaptec USB TvTuner")
{
Log.Log.WriteFile("analog: Adaptec USB device detected!");
devices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
}
else
{
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSCapture); //shouldn't be VideoInputDevice
devices = DeviceSorter.Sort(devices, tuner.TunerName, tvAudio.TvAudioName, crossbar.CrossBarName);
}
}
catch (Exception)
{
Log.Log.WriteFile("analog: AddTvCaptureFiler error in allocating devices collection");
return(false);
}
if (devices.Length == 0)
{
Log.Log.WriteFile("analog: AddTvCaptureFilter no tvcapture devices found");
return(false);
}
//try each video capture filter
for (int i = 0; i < devices.Length; i++)
{
bool filterUsed = false;
IBaseFilter tmp;
if (_badCaptureDevices.Contains(devices[i].Name))
{
Log.Log.WriteFile("analog: AddTvCaptureFilter bypassing: {0}", devices[i].Name);
continue;
}
Log.Log.WriteFile("analog: AddTvCaptureFilter try:{0} {1}", devices[i].Name, i);
// if video capture filter is in use, then we can skip it
if (DevicesInUse.Instance.IsUsed(devices[i]))
{
Log.Log.WriteFile("analog: Device: {0} in use?", devices[i].Name);
continue;
}
if (!videoDeviceName.Equals(devices[i].Name) &&
(audioDeviceName == null || !audioDeviceName.Equals(devices[i].Name)))
{
continue;
}
int hr;
try
{
// add video capture filter to graph
hr = graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
}
catch (Exception)
{
Log.Log.WriteFile("analog: cannot add filter to graph");
continue;
}
if (hr != 0)
{
//cannot add video capture filter to graph, try next one
if (tmp != null)
{
Log.Log.WriteFile("analog: cannot add filter: {0} to graph", devices[i].Name);
graphBuilder.RemoveFilter(tmp);
Release.ComObject("TvCaptureFilter", tmp);
}
continue;
}
// connect crossbar->video capture filter
if (videoDeviceName.Equals(devices[i].Name) &&
FilterGraphTools.ConnectPin(graphBuilder, crossbar.VideoOut, tmp, graph.Capture.VideoIn))
{
_filterVideoCapture = tmp;
_videoCaptureDevice = devices[i];
if (_audioCaptureDevice != _videoCaptureDevice)
{
DevicesInUse.Instance.Add(_videoCaptureDevice);
}
Log.Log.WriteFile("analog: AddTvCaptureFilter connected video to crossbar successfully");
videoConnected = true;
filterUsed = true;
}
// crossbar->audio capture filter
// Many video capture are also the audio capture filter, so we can always try it again
if (audioDeviceName.Equals(devices[i].Name) &&
FilterGraphTools.ConnectPin(graphBuilder, crossbar.AudioOut, tmp, graph.Capture.AudioIn))
{
_filterAudioCapture = tmp;
_audioCaptureDevice = devices[i];
if (_audioCaptureDevice != _videoCaptureDevice)
{
DevicesInUse.Instance.Add(_audioCaptureDevice);
}
Log.Log.WriteFile("analog: AddTvCaptureFilter connected audio to crossbar successfully");
audioConnected = true;
filterUsed = true;
}
// _audioCaptureDevice should never be null - avoids null exception crashes with Encoder.cs
else
{
_audioCaptureDevice = devices[i];
}
if (!filterUsed)
{
// cannot connect crossbar->video capture filter, remove filter from graph
// cand continue with the next vieo capture filter
Log.Log.WriteFile("analog: AddTvCaptureFilter failed to connect to crossbar");
graphBuilder.RemoveFilter(tmp);
Release.ComObject("capture filter", tmp);
}
else
{
i = -1; // Go through the devices again from the start...
}
if (videoConnected && audioConnected)
{
break;
}
}
if (_filterVideoCapture != null)
{
if (graph.Capture.TeletextPin != -1)
{
_pinVBI = DsFindPin.ByDirection(_filterVideoCapture, PinDirection.Output,
graph.Capture.TeletextPin);
}
_videoProcAmp = _filterVideoCapture as IAMVideoProcAmp;
_analogVideoDecoder = _filterVideoCapture as IAMAnalogVideoDecoder;
_streamConfig = _filterVideoCapture as IAMStreamConfig;
_videoFormats = graph.Capture.AvailableVideoStandard;
_defaultVideoProcAmpValues = graph.Capture.VideoProcAmpValues;
_frameRate = graph.Capture.FrameRate;
_imageWidth = graph.Capture.ImageWidth;
_imageHeight = graph.Capture.ImageHeight;
CheckCapabilitiesStreamConfig(graph, capBuilder);
SetCaptureConfiguration(graph);
}
return(_filterVideoCapture != null);
}
private void AddAndConnectWDMBoardFilters()
{
int hr = 0;
DsDevice[] devices;
Guid iid = typeof(IBaseFilter).GUID;
this.captureGraphBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
captureGraphBuilder.SetFiltergraph(this.graphBuilder);
try
{
if (this.VideoCaptureDevice != null)
{
IBaseFilter tmp;
object o;
this.VideoCaptureDevice.Mon.BindToObject(null, null, ref iid, out o);
tmp = o as IBaseFilter;
//MessageBox.Show(this.VideoInputDevice.DevicePath);
//Add the Video input device to the graph
hr = graphBuilder.AddFilter(tmp, this.VideoCaptureDevice.Name);
this.videoCaptureFilter = tmp;
SetCaptureResolution(this.captureFormat); // this.captureResolution);
this.videoCaptureFilter = null;
//Render any preview pin of the device
//int hr1 = captureGraphBuilder.RenderStream(PinCategory.Preview, MediaType.Video, tmp, null, this.videoRenderer);
int hr1 = captureGraphBuilder.RenderStream(PinCategory.Capture, MediaType.Video, tmp, null, this.videoRenderer);
if (hr >= 0 && hr1 >= 0)
{
// Got it !
this.videoCaptureFilter = tmp;
}
else
{
// Try another...
int hr2 = graphBuilder.RemoveFilter(tmp);
Marshal.ReleaseComObject(tmp);
if (hr >= 0 && hr1 < 0)
{
DsError.ThrowExceptionForHR(hr1);
}
DsError.ThrowExceptionForHR(hr);
return;
}
}
else
{
// Enumerate WDM Source filters category and found one that can connect to the network provider
devices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
for (int i = 0; i < devices.Length; i++)
{
IBaseFilter tmp;
object o;
devices[i].Mon.BindToObject(null, null, ref iid, out o);
tmp = o as IBaseFilter;
//Add the Video input device to the graph
hr = graphBuilder.AddFilter(tmp, devices[i].Name);
//Render any preview pin of the device
//int hr1 = captureGraphBuilder.RenderStream(PinCategory.Preview, MediaType.Video, tmp, null, this.videoRenderer);
int hr1 = captureGraphBuilder.RenderStream(PinCategory.Capture, MediaType.Video, tmp, null, this.videoRenderer);
if (hr >= 0 && hr1 >= 0)
{
// Got it !
this.videoCaptureFilter = tmp;
break;
}
else
{
// Try another...
hr = graphBuilder.RemoveFilter(tmp);
Marshal.ReleaseComObject(tmp);
}
}
}
// Assume we found a video filter...
AddAndConnectNullRendererForWPF();
//if (useWPF)
//{
// IPin pinOutFromFilterOut = DsFindPin.ByDirection(this.videoRenderer, PinDirection.Output, 0);
// if (pinOutFromFilterOut != null)
// {
// hr = this.graphBuilder.Render(pinOutFromFilterOut);
// Marshal.ReleaseComObject(pinOutFromFilterOut);
// }
//}
if (this.AudioCaptureDevice != null)
{
if (this.VideoCaptureDevice != null && this.videoCaptureFilter != null && this.AudioCaptureDevice.DevicePath == this.VideoCaptureDevice.DevicePath)
{
//Render any preview pin of the device
int hr1 = captureGraphBuilder.RenderStream(null, MediaType.Audio, this.videoCaptureFilter, null, this.audioRenderer);
DsError.ThrowExceptionForHR(hr);
if (hr1 >= 0)
{
// Got it !
this.audioCaptureFilter = null; // this.videoCaptureFilter;
}
else
{
// No audio?
}
}
else
{
IBaseFilter tmp;
object o;
this.AudioCaptureDevice.Mon.BindToObject(null, null, ref iid, out o);
tmp = o as IBaseFilter;
//Add the audio input device to the graph
hr = graphBuilder.AddFilter(tmp, this.AudioCaptureDevice.Name);
DsError.ThrowExceptionForHR(hr);
//Render any preview pin of the device
int hr1 = captureGraphBuilder.RenderStream(null, MediaType.Audio, tmp, null, this.audioRenderer);
DsError.ThrowExceptionForHR(hr);
if (hr >= 0 && hr1 >= 0)
{
// Got it !
this.audioCaptureFilter = tmp;
}
else
{
// Try another...
int hr2 = graphBuilder.RemoveFilter(tmp);
Marshal.ReleaseComObject(tmp);
DsError.ThrowExceptionForHR(hr);
return;
}
}
}
else
{
// Then enumerate WDM AudioInputDevice category
//devices = DsDevice.GetDevicesOfCat(FilterCategory.AudioInputDevice);
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSCapture);
for (int i = 0; i < devices.Length; i++)
{
IBaseFilter tmp;
object o;
devices[i].Mon.BindToObject(null, null, ref iid, out o);
tmp = o as IBaseFilter;
//Add the audio input device to the graph
hr = graphBuilder.AddFilter(tmp, devices[i].Name);
DsError.ThrowExceptionForHR(hr);
//Render any preview pin of the device
int hr1 = captureGraphBuilder.RenderStream(null, MediaType.Audio, tmp, null, this.audioRenderer);
if (hr >= 0 && hr1 >= 0)
{
// Got it !
this.audioCaptureFilter = tmp;
break;
}
else
{
// Try another...
hr = graphBuilder.RemoveFilter(tmp);
Marshal.ReleaseComObject(tmp);
}
}
}
}
catch (Exception ex)
{
Trace.WriteLineIf(trace.TraceError, ex.ToString());
}
finally
{
}
}
/// <summary>
/// Creates the filter by trying to detect it
/// </summary>
/// <param name="tvAudio">The tvaudio component</param>
/// <param name="crossbar">The crossbar componen</param>
/// <param name="tuner">The tuner component</param>
/// <param name="graph">The stored graph</param>
/// <param name="graphBuilder">The graphBuilder</param>
/// <param name="capBuilder">The Capture graph builder</param>
/// <returns>true, if the graph building was successful</returns>
private bool CreateAutomaticFilterInstance(Graph graph, ICaptureGraphBuilder2 capBuilder, IFilterGraph2 graphBuilder,
Tuner tuner, Crossbar crossbar, TvAudio tvAudio)
{
DsDevice[] devices;
bool videoConnected = false;
bool audioConnected = false;
//get a list of all video capture devices
try
{
if (tuner.TunerName == "Adaptec USB TvTuner")
{
Log.Log.WriteFile("analog: Adaptec USB device detected!");
devices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
}
else
{
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSCapture);
devices = DeviceSorter.Sort(devices, tuner.TunerName, tvAudio.TvAudioName, crossbar.CrossBarName);
}
}
catch (Exception)
{
Log.Log.WriteFile("analog: AddTvCaptureFiler error in allocating devices collection");
return(false);
}
if (devices.Length == 0)
{
Log.Log.WriteFile("analog: AddTvCaptureFilter no tvcapture devices found");
return(false);
}
//try each video capture filter
for (int i = 0; i < devices.Length; i++)
{
bool filterUsed = false;
IBaseFilter tmp;
if (_badCaptureDevices.Contains(devices[i].Name))
{
Log.Log.WriteFile("analog: AddTvCaptureFilter bypassing: {0}", devices[i].Name);
continue;
}
Log.Log.WriteFile("analog: AddTvCaptureFilter try:{0} {1}", devices[i].Name, i);
// if video capture filter is in use, then we can skip it
if (DevicesInUse.Instance.IsUsed(devices[i]))
{
continue;
}
int hr;
try
{
// add video capture filter to graph
hr = graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
}
catch (Exception)
{
Log.Log.WriteFile("analog: cannot add filter to graph");
continue;
}
if (hr != 0)
{
//cannot add video capture filter to graph, try next one
if (tmp != null)
{
graphBuilder.RemoveFilter(tmp);
Release.ComObject("TvCaptureFilter", tmp);
}
continue;
}
int destinationIndex;
// connect crossbar->video capture filter
if (!videoConnected &&
FilterGraphTools.ConnectFilter(graphBuilder, crossbar.VideoOut, tmp, out destinationIndex))
{
_filterVideoCapture = tmp;
_videoCaptureDevice = devices[i];
if (_audioCaptureDevice != _videoCaptureDevice)
{
DevicesInUse.Instance.Add(_videoCaptureDevice);
}
Log.Log.WriteFile("analog: AddTvCaptureFilter connected video to crossbar successfully");
graph.Capture.Name = _videoCaptureDevice.Name;
graph.Capture.VideoIn = destinationIndex;
videoConnected = true;
filterUsed = true;
}
// crossbar->audio capture filter
// Many video capture are also the audio capture filter, so we can always try it again
if (videoConnected && FilterGraphTools.ConnectFilter(graphBuilder, crossbar.AudioOut, tmp, out destinationIndex))
{
_filterAudioCapture = tmp;
_audioCaptureDevice = devices[i];
if (_audioCaptureDevice != _videoCaptureDevice)
{
DevicesInUse.Instance.Add(_audioCaptureDevice);
}
Log.Log.WriteFile("analog: AddTvCaptureFilter connected audio to crossbar successfully");
graph.Capture.AudioCaptureName = devices[i].Name;
graph.Capture.AudioIn = destinationIndex;
audioConnected = true;
filterUsed = true;
}
// _audioCaptureDevice should never be null - avoids null exception crashes with Encoder.cs
else
{
_audioCaptureDevice = devices[i];
}
if (!filterUsed)
{
// cannot connect crossbar->video capture filter, remove filter from graph
// cand continue with the next vieo capture filter
Log.Log.WriteFile("analog: AddTvCaptureFilter failed to connect to crossbar");
graphBuilder.RemoveFilter(tmp);
Release.ComObject("capture filter", tmp);
}
else
{
i = -1; // Go through the devices again from the start...
}
if (videoConnected && audioConnected)
{
break;
}
}
if (_filterVideoCapture != null)
{
FindVBIPin(graph);
CheckCapabilities(graph, capBuilder);
}
return(_filterVideoCapture != null);
}
public static string[] GetDevicesName()
{
return(DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice).Select(x => x.Name).ToArray());
}
/// <summary>
/// Updates list of devices (cameras) of CameraChoice.
/// </summary>
public void UpdateDeviceList()
{
m_pCapDevices = new List <DsDevice>(DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice));
}
private void CMB_videosources_SelectedIndexChanged(object sender, EventArgs e)
{
if (MainV2.MONO)
{
return;
}
int hr;
int count;
int size;
object o;
IBaseFilter capFilter = null;
ICaptureGraphBuilder2 capGraph = null;
AMMediaType media = null;
VideoInfoHeader v;
VideoStreamConfigCaps c;
var modes = new List <GCSBitmapInfo>();
// Get the ICaptureGraphBuilder2
capGraph = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
var m_FilterGraph = (IFilterGraph2) new FilterGraph();
DsDevice[] capDevices;
capDevices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
// Add the video device
hr = m_FilterGraph.AddSourceFilterForMoniker(capDevices[CMB_videosources.SelectedIndex].Mon, null,
"Video input", out capFilter);
try
{
DsError.ThrowExceptionForHR(hr);
}
catch (Exception ex)
{
CustomMessageBox.Show("Can not add video source\n" + ex);
return;
}
// Find the stream config interface
hr = capGraph.FindInterface(PinCategory.Capture, MediaType.Video, capFilter, typeof(IAMStreamConfig).GUID,
out o);
DsError.ThrowExceptionForHR(hr);
var videoStreamConfig = o as IAMStreamConfig;
if (videoStreamConfig == null)
{
CustomMessageBox.Show("Failed to get IAMStreamConfig");
return;
}
hr = videoStreamConfig.GetNumberOfCapabilities(out count, out size);
DsError.ThrowExceptionForHR(hr);
var TaskMemPointer = Marshal.AllocCoTaskMem(size);
for (var i = 0; i < count; i++)
{
var ptr = IntPtr.Zero;
hr = videoStreamConfig.GetStreamCaps(i, out media, TaskMemPointer);
v = (VideoInfoHeader)Marshal.PtrToStructure(media.formatPtr, typeof(VideoInfoHeader));
c = (VideoStreamConfigCaps)Marshal.PtrToStructure(TaskMemPointer, typeof(VideoStreamConfigCaps));
modes.Add(new GCSBitmapInfo(v.BmiHeader.Width, v.BmiHeader.Height, c.MaxFrameInterval,
c.VideoStandard.ToString(), media));
}
Marshal.FreeCoTaskMem(TaskMemPointer);
DsUtils.FreeAMMediaType(media);
CMB_videoresolutions.DataSource = modes;
if (Settings.Instance["video_options"] != "" && CMB_videosources.Text != "")
{
try
{
CMB_videoresolutions.SelectedIndex = Settings.Instance.GetInt32("video_options");
}
catch
{
} // ignore bad entries
}
}
private void AddCaptureFilter()
{
DsDevice[] devices;
Log.Log.WriteFile("HDPVR: Add Capture Filter");
//get a list of all video capture devices
try
{
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSCapture);
devices = DeviceSorter.Sort(devices, _tunerDevice, _filterCrossBar, _captureDevice, _filterEncoder);
}
catch (Exception)
{
Log.Log.WriteFile("HDPVR: AddTvCaptureFilter no tvcapture devices found");
return;
}
if (devices.Length == 0)
{
Log.Log.WriteFile("HDPVR: AddTvCaptureFilter no tvcapture devices found");
return;
}
//try each video capture filter
for (int i = 0; i < devices.Length; i++)
{
if (devices[i].Name != _captureDeviceName)
{
continue;
}
Log.Log.WriteFile("HDPVR: AddTvCaptureFilter try:{0} {1}", devices[i].Name, i);
// if video capture filter is in use, then we can skip it
if (DevicesInUse.Instance.IsUsed(devices[i]))
{
continue;
}
IBaseFilter tmp;
int hr;
try
{
// add video capture filter to graph
hr = _graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
}
catch (Exception)
{
Log.Log.WriteFile("HDPVR: cannot add filter to graph");
continue;
}
if (hr != 0)
{
//cannot add video capture filter to graph, try next one
if (tmp != null)
{
_graphBuilder.RemoveFilter(tmp);
Release.ComObject("TvCaptureFilter", tmp);
}
continue;
}
// connect crossbar->video capture filter
hr = _capBuilder.RenderStream(null, null, _filterCrossBar, null, tmp);
if (hr == 0)
{
// That worked. Since most crossbar devices require 2 connections from
// crossbar->video capture filter, we do it again to connect the 2nd pin
_capBuilder.RenderStream(null, null, _filterCrossBar, null, tmp);
_filterCapture = tmp;
_captureDevice = devices[i];
DevicesInUse.Instance.Add(_captureDevice);
Log.Log.WriteFile("HDPVR: AddTvCaptureFilter connected to crossbar successfully");
break;
}
// cannot connect crossbar->video capture filter, remove filter from graph
// cand continue with the next vieo capture filter
Log.Log.WriteFile("HDPVR: AddTvCaptureFilter failed to connect to crossbar");
_graphBuilder.RemoveFilter(tmp);
Release.ComObject("capture filter", tmp);
}
if (_filterCapture == null)
{
Log.Log.Error("HDPVR: unable to add TvCaptureFilter to graph");
//throw new TvException("Unable to add TvCaptureFilter to graph");
}
}
public static DsDevice[] GetVideoDevices()
{
return(DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice));
}
private void AddEncoderFilter()
{
DsDevice[] devices;
Log.Log.WriteFile("HDPVR: AddEncoderFilter");
// first get all encoder filters available on this system
try
{
devices = DsDevice.GetDevicesOfCat(FilterCategory.WDMStreamingEncoderDevices);
devices = DeviceSorter.Sort(devices, _tunerDevice, _filterCrossBar, _captureDevice, _filterEncoder);
}
catch (Exception)
{
Log.Log.WriteFile("HDPVR: AddTvEncoderFilter no encoder devices found (Exception)");
return;
}
if (devices == null)
{
Log.Log.WriteFile("HDPVR: AddTvEncoderFilter no encoder devices found (devices == null)");
return;
}
if (devices.Length == 0)
{
Log.Log.WriteFile("HDPVR: AddTvEncoderFilter no encoder devices found");
return;
}
//for each encoder
Log.Log.WriteFile("HDPVR: AddTvEncoderFilter found:{0} encoders", devices.Length);
for (int i = 0; i < devices.Length; i++)
{
if (devices[i].Name != _encoderDeviceName)
{
continue;
}
//if encoder is in use, we can skip it
if (DevicesInUse.Instance.IsUsed(devices[i]))
{
Log.Log.WriteFile("HDPVR: skip :{0} (inuse)", devices[i].Name);
continue;
}
Log.Log.WriteFile("HDPVR: try encoder:{0} {1}", devices[i].Name, i);
IBaseFilter tmp;
int hr;
try
{
//add encoder filter to graph
hr = _graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
}
catch (Exception)
{
Log.Log.WriteFile("HDPVR: cannot add filter {0} to graph", devices[i].Name);
continue;
}
if (hr != 0)
{
//failed to add filter to graph, continue with the next one
if (tmp != null)
{
_graphBuilder.RemoveFilter(tmp);
Release.ComObject("TvEncoderFilter", tmp);
}
continue;
}
if (tmp == null)
{
continue;
}
hr = _capBuilder.RenderStream(null, null, _filterCapture, null, tmp);
if (hr == 0)
{
// That worked. Since most crossbar devices require 2 connections from
// crossbar->video capture filter, we do it again to connect the 2nd pin
_capBuilder.RenderStream(null, null, _filterCapture, null, tmp);
_filterEncoder = tmp;
_encoderDevice = devices[i];
DevicesInUse.Instance.Add(_encoderDevice);
Log.Log.WriteFile("HDPVR: AddTvEncoderFilter connected to catpure successfully");
//and we're done
return;
}
// cannot connect crossbar->video capture filter, remove filter from graph
// cand continue with the next vieo capture filter
Log.Log.WriteFile("HDPVR: AddTvEncoderFilter failed to connect to capture");
_graphBuilder.RemoveFilter(tmp);
Release.ComObject("capture filter", tmp);
}
Log.Log.WriteFile("HDPVR: AddTvEncoderFilter no encoder found");
}
/// <summary>
/// Program initialization
/// </summary>
/// <param name="sender">Sender</param>
/// <param name="e">Event arguments</param>
private void OnLoad(object sender, EventArgs e)
{
// program title
Text = "QRCodeVideoDecoder " + QRDecoder.VersionNumber + " \u00a9 2018-2019 Uzi Granot. All rights reserved.";
#if DEBUG
// current directory
string CurDir = Environment.CurrentDirectory;
string WorkDir = CurDir.Replace("bin\\Debug", "Work");
if (WorkDir != CurDir && Directory.Exists(WorkDir))
{
Environment.CurrentDirectory = WorkDir;
}
// open trace file
QRCodeTrace.Open("QRCodeVideoDecoderTrace.txt");
QRCodeTrace.Write(Text);
#endif
// disable reset button
ResetButton.Enabled = false;
GoToUriButton.Enabled = false;
// get an array of web camera devices
DsDevice[] CameraDevices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
// make sure at least one is available
if (CameraDevices == null || CameraDevices.Length == 0)
{
MessageBox.Show("No video cameras in this computer");
Close();
return;
}
// select the first camera
DsDevice CameraDevice = CameraDevices[0];
// Device moniker
IMoniker CameraMoniker = CameraDevice.Moniker;
// get a list of frame sizes available
FrameSize[] FrameSizes = Camera.GetFrameSizeList(CameraMoniker);
// make sure there is at least one frame size
if (FrameSizes == null || FrameSizes.Length == 0)
{
MessageBox.Show("No video cameras in this computer");
Close();
return;
}
// test if our frame size is available
int Index;
for (Index = 0; Index < FrameSizes.Length &&
(FrameSizes[Index].Width != FrameSize.Width || FrameSizes[Index].Height != FrameSize.Height); Index++)
{
;
}
// select first frame size
if (Index == FrameSizes.Length)
{
FrameSize = FrameSizes[0];
}
// Set selected camera to camera control with default frame size
// Create camera object
VideoCamera = new Camera(PreviewPanel, CameraMoniker, FrameSize);
// create QR code decoder
Decoder = new QRDecoder();
// resize window
OnResize(sender, e);
// create timer
QRCodeTimer = new Timer();
QRCodeTimer.Interval = 200;
QRCodeTimer.Tick += QRCodeTimer_Tick;
QRCodeTimer.Enabled = true;
return;
}
internal override WebcamConfiguration[] QueryFormats()
{
List <WebcamConfiguration> result = new List <WebcamConfiguration>();
DsDevice cameraDevice = cameraDevice = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice)[m_cameraDeviceIndex];
IFilterGraph2 filterGraph = null; IBaseFilter cam = null; IPin camOutPin = null;
try
{
filterGraph = (IFilterGraph2) new FilterGraph();
DsError.ThrowExceptionForHR(filterGraph.AddSourceFilterForMoniker(cameraDevice.Mon, null, cameraDevice.Name, out cam));
camOutPin = DsFindPin.ByCategory(cam, PinCategory.Capture, 0);
if (camOutPin != null)
{
IAMStreamConfig config = (IAMStreamConfig)camOutPin;
int piCount, piSize;
config.GetNumberOfCapabilities(out piCount, out piSize);
byte[] temp = new byte[piSize];
GCHandle tempHandle = GCHandle.Alloc(temp, GCHandleType.Pinned);
try
{
for (int x = 0; x < piCount; x++)
{
AMMediaType mediaType = null;
try
{
DsError.ThrowExceptionForHR(config.GetStreamCaps(x, out mediaType, tempHandle.AddrOfPinnedObject()));
VideoInfoHeader v = (VideoInfoHeader)Marshal.PtrToStructure(mediaType.formatPtr, typeof(VideoInfoHeader));
if (BPPIsValid(v.BmiHeader.BitCount))
{
result.Add(new WebcamConfiguration(new Size(v.BmiHeader.Width, v.BmiHeader.Height), v.BmiHeader.BitCount, mediaType.subType));
}
else
{
//System.Diagnostics.Debug.WriteLine("BPP " + v.BmiHeader.BitCount + " was not accepted!");
}
}
finally
{
if (mediaType != null)
{
DsUtils.FreeAMMediaType(mediaType);
mediaType = null;
}
}
}
}
finally
{
tempHandle.Free();
}
}
}
finally
{
if (camOutPin != null)
{
Marshal.ReleaseComObject(camOutPin);
camOutPin = null;
}
if (filterGraph != null)
{
Marshal.ReleaseComObject(filterGraph);
filterGraph = null;
}
}
result.Sort();
return(result.ToArray());
}
