/// <summary>
///
/// </summary>
/// <param name="deviceNumber"></param>
/// <param name="frameRate"></param>
/// <param name="width"></param>
/// <param name="height"></param>
public WebCamCapture(int deviceNumber, int frameRate, int width, int height)
{
DsDevice[] devices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
if (deviceNumber > devices.Length - 1)
{
throw new ArgumentException("No video capture device found at index " + deviceNumber);
}
try
{
mFrameRate = frameRate;
mWidth = width;
mHeight = height;
mDevice = devices[deviceNumber];
InitCaptureGraph();
mPictureReady = new ManualResetEvent(false);
mImageCaptured = true;
mIsRunning = false;
}
catch
{
Dispose();
throw;
}
}
private PTZDevice(string name, PTZType type)
{
var devices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
var device = devices.Where(d => d.Name == name).FirstOrDefault();
_device = device;
_type = type;
if (_device == null) throw new ApplicationException(String.Format("Couldn't find device named {0}!", name));
IFilterGraph2 graphBuilder = new FilterGraph() as IFilterGraph2;
IBaseFilter filter = null;
IMoniker i = _device.Mon as IMoniker;
graphBuilder.AddSourceFilterForMoniker(i, null, _device.Name, out filter);
_camControl = filter as IAMCameraControl;
_ksPropertySet = filter as IKsPropertySet;
if (_camControl == null) throw new ApplicationException("Couldn't get ICamControl!");
if (_ksPropertySet == null) throw new ApplicationException("Couldn't get IKsPropertySet!");
//TODO: Add Absolute
if (type == PTZType.Relative &&
!(SupportFor(KSProperties.CameraControlFeature.KSPROPERTY_CAMERACONTROL_PAN_RELATIVE) &&
SupportFor(KSProperties.CameraControlFeature.KSPROPERTY_CAMERACONTROL_TILT_RELATIVE)))
{
throw new NotSupportedException("This camera doesn't appear to support Relative Pan and Tilt");
}
//TODO: Do I through NotSupported when methods are called or throw them now?
//TODO: Do I check for Zoom or ignore if it's not there?
InitZoomRanges();
}
public DirectShowCamera(int id, int width, int height, int frameRate, DsDevice device)
: base(id, width, height, frameRate)
{
SetupDevice();
_videoInput = new Capture(id);
Name = device.Name;
}
/// <summary>
/// Contstructor
/// </summary>
/// <param name="epgEvents"></param>
/// <param name="device"></param>
/// <param name="sequence"></param>
public TvCardDVBIP(IEpgEvents epgEvents, DsDevice device, int sequence) : base(epgEvents, device)
{
_cardType = CardType.DvbIP;
_sequence = sequence;
if (_sequence > 0)
{
_name = _name + "_" + _sequence;
}
}
protected IBaseFilter CreateFilterInstance(DsDevice device)
{
var guid = typeof(IBaseFilter).GUID;
object objFilter;
device.Mon.BindToObject(null, null, ref guid, out objFilter);
if (objFilter == null)
throw new NullReferenceException("Cannot bind to filter");
return (IBaseFilter)objFilter;
}
/// <summary>
/// use this method to indicate that the device specified no longer in use
/// </summary>
/// <param name="device">device</param>
public void Remove(DsDevice device)
{
for (int i = 0; i < _devicesInUse.Count; ++i)
{
if (_devicesInUse[i].Mon == device.Mon && _devicesInUse[i].Name == device.Name)
{
_devicesInUse.RemoveAt(i);
return;
}
}
}
///<summary>
/// Base constructor
///</summary>
///<param name="device">Base DS device</param>
protected TvCardBase(DsDevice device)
{
_graphState = GraphState.Idle;
_device = device;
_tunerDevice = device;
_name = device.Name;
_devicePath = device.DevicePath;
//get preload card value
if (_devicePath != null)
{
GetPreloadBitAndCardId();
GetSupportsPauseGraph();
}
}
public void SetupFileRecorderGraph(DsDevice dev, SystemCodecEntry compressor, ref float iFrameRate, ref int iWidth, ref int iHeight, string fileName)
{
try
{
SetupGraphInternal(dev, compressor, ref iFrameRate, ref iWidth, ref iHeight, fileName);
latestBitmap = new Bitmap(iWidth, iHeight, PixelFormat.Format24bppRgb);
fullRect = new Rectangle(0, 0, latestBitmap.Width, latestBitmap.Height);
}
catch
{
CloseResources();
throw;
}
}
///<summary>
/// Constrcutor for the analog
///</summary>
///<param name="device">Tuner Device</param>
public TvCardAnalog(DsDevice device)
: base(device)
{
_parameters = new ScanParameters();
_mapSubChannels = new Dictionary<int, BaseSubChannel>();
_supportsSubChannels = true;
_minChannel = 0;
_maxChannel = 128;
_camType = CamType.Default;
_conditionalAccess = null;
_cardType = CardType.Analog;
_epgGrabbing = false;
_configuration = Configuration.readConfiguration(_cardId, _name, _devicePath);
Configuration.writeConfiguration(_configuration);
}
public void SelectIndex(DsDevice dev)
{
// Highlight the specified device (if we can find it)
if (dev != null)
{
for (int x = 0; x < lbDevices.Items.Count; x++)
{
VDevice d = lbDevices.Items[x] as VDevice;
if (d.Device.DevicePath == dev.DevicePath)
{
lbDevices.SelectedIndex = x;
break;
}
}
}
}
public PropertyPageHelper(DsDevice dev)
{
try
{
object source;
var id = typeof(IBaseFilter).GUID;
dev.Mon.BindToObject(null, null, ref id, out source);
if (source != null)
{
var filter = (IBaseFilter)source;
m_specifyPropertyPages = filter as ISpecifyPropertyPages;
}
}
catch
{
MessageBox.Show(NO_PROPERTY_PAGE_FOUND);
}
}
public AnalogCamera(DsDevice device, Device d3dDevice)
{
this.d3dDevice = d3dDevice;
texture = new Texture(d3dDevice, 720, 576, 1, Usage.Dynamic, Format.A8R8G8B8, Pool.Default);
var desc = texture.GetLevelDescription(0);
DataRectangle dr = texture.LockRectangle(0, LockFlags.Discard);
int rowPitch = dr.Pitch;
texture.UnlockRectangle(0);
try
{
BuildGraph(device);
}
catch
{
Dispose();
throw;
}
}
/// <summary> Constructor </summary>
/// <param name="dev"> Shows the PropertyPages of a specific DsDevice </param>
public DirectShowPropertyPage(DsDevice dev)
{
try
{
object l_Source = null;
Guid l_Iid = typeof (IBaseFilter).GUID;
dev.Mon.BindToObject(null, null, ref l_Iid, out l_Source);
if (l_Source != null)
{
Name = dev.Name;
IBaseFilter filter = (IBaseFilter)l_Source;
SupportsPersisting = false;
this.specifyPropertyPages = filter as ISpecifyPropertyPages;
}
}
catch
{
MessageBox.Show("This filter has no property page!");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TvCardDvbB2C2"/> class.
/// </summary>
/// <param name="device">The device.</param>
public TvCardDvbB2C2(DsDevice device, DeviceInfo deviceInfo)
: base(device)
{
_deviceInfo = deviceInfo;
_devicePath = deviceInfo.DevicePath;
_name = deviceInfo.Name;
GetPreloadBitAndCardId();
_useDISEqCMotor = false;
TvBusinessLayer layer = new TvBusinessLayer();
Card card = layer.GetCardByDevicePath(_devicePath);
if (card != null)
{
Setting setting = layer.GetSetting("dvbs" + card.IdCard + "motorEnabled", "no");
if (setting.Value == "yes")
_useDISEqCMotor = true;
}
_conditionalAccess = new ConditionalAccess(null, null, null, this);
_ptrDisEqc = Marshal.AllocCoTaskMem(20);
_disEqcMotor = new DiSEqCMotor(this);
GetTunerCapabilities();
}
public WebCamera(DsDevice device, Device d3dDevice)
{
//bitmapWindow = new Test();
//bitmapWindow.Show();
this.d3dDevice = d3dDevice;
texture = new Texture(d3dDevice, 1280, 720, 1, Usage.Dynamic, Format.A8R8G8B8, Pool.Default);
//texture = Texture.FromFile(d3dDevice, ".\\Images\\checkerboard.jpg", D3DX.DefaultNonPowerOf2, D3DX.DefaultNonPowerOf2, 1, Usage.Dynamic, Format.A8R8G8B8, Pool.Default, Filter.None, Filter.None, 0);
var desc = texture.GetLevelDescription(0);
DataRectangle dr = texture.LockRectangle(0, LockFlags.Discard);
int rowPitch = dr.Pitch;
texture.UnlockRectangle(0);
try
{
BuildGraph(device);
}
catch
{
Dispose();
throw;
}
}
private void Config()
{
int hr = 0;
graphBuilder = (IFilterGraph2) new FilterGraph();
rot = new DsROTEntry(graphBuilder);
// Assume that the first device in this category IS a BDA device...
DsDevice[] devices = DsDevice.GetDevicesOfCat(FilterCategory.BDASourceFiltersCategory);
hr = graphBuilder.AddSourceFilterForMoniker(devices[0].Mon, null, devices[0].Name, out bdaTuner);
DsError.ThrowExceptionForHR(hr);
IBDA_Topology topo = (IBDA_Topology)bdaTuner;
int[] nodeTypes = new int[10];
int nodeTypesCount;
// Get all nodes in the BDA Tuner
hr = topo.GetNodeTypes(out nodeTypesCount, nodeTypes.Length, nodeTypes);
DsError.ThrowExceptionForHR(hr);
// For each nodes types
for (int i = 0; i < nodeTypesCount; i++)
{
Guid[] nodeGuid = new Guid[10];
int nodeGuidCount;
// Get its exposed interfaces
hr = topo.GetNodeInterfaces(nodeTypes[i], out nodeGuidCount, nodeGuid.Length, nodeGuid);
DsError.ThrowExceptionForHR(hr);
// For each exposed interfaces
for (int j = 0; j < nodeGuidCount; j++)
{
Debug.WriteLine(string.Format("node {0}/{1} : {2}", i, j, nodeGuid[j]));
Console.WriteLine(string.Format("node {0}/{1} : {2}", i, j, nodeGuid[j]));
// Is IBDA_AutoDemodulate supported by this node ?
if (nodeGuid[j] == typeof(IBDA_AutoDemodulate).GUID)
{
Console.WriteLine("nodetype : " + nodeTypes[i]);
// Yes, retrieve this node
object ctrlNode;
hr = topo.GetControlNode(0, 1, nodeTypes[i], out ctrlNode);
DsError.ThrowExceptionForHR(hr);
// Do the cast (it should not fail)
autoDemodulate = ctrlNode as IBDA_AutoDemodulate;
// Exit the for j loop if found a SignalStatistics object
if (autoDemodulate != null)
{
break;
}
}
}
// If already found a SignalStatistics object, exit the for i loop
if (autoDemodulate != null)
{
break;
}
}
}
private (LocalAudioSourceCapability[] caps, bool success) GetCapabilities(DsDevice device)
{
Log.Information($"Audio ({device.Name}): Getting Caps");
var list = new List <LocalAudioSourceCapability>();
bool failed = false;
IntPtr pCaps = IntPtr.Zero;
IFilterGraph2 filterGraph2 = null;
IBaseFilter sourceFilter = null;
IAMStreamConfig streamConfig = null;
object pin = null;
int count = 0;
int size = 0;
try
{
filterGraph2 = new FilterGraph() as IFilterGraph2;
if (filterGraph2 == null)
{
throw new NotSupportedException("filter2 is null");
}
LocalVideoSourceManager.AddCaptureFilter(filterGraph2, device, out sourceFilter);
pin = DsFindPin.ByCategory(sourceFilter, PinCategory.Capture, 0);
if (pin == null)
{
Log.Information($"Audio ({device.Name}): First pin is null");
pin = sourceFilter;
}
streamConfig = pin as IAMStreamConfig;
if (streamConfig == null)
{
throw new NotSupportedException("pin is null");
}
LocalVideoSourceManager.Checked(() => streamConfig.GetNumberOfCapabilities(out count, out size), "GetNumberOfCapabilities", null);
if (count <= 0)
{
throw new NotSupportedException("This video source does not report capabilities.");
}
if (size != Marshal.SizeOf(typeof(AudioStreamConfigCaps)))
{
throw new NotSupportedException("Unable to retrieve video source capabilities. This video source requires a larger VideoStreamConfigCaps structure.");
}
// Alloc memory for structure
pCaps = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(AudioStreamConfigCaps)));
for (int i = 0; i < count; i++)
{
AMMediaType mediaType = null;
LocalVideoSourceManager.Checked(() => streamConfig.GetStreamCaps(i, out mediaType, pCaps), "GetStreamCaps", null);
AudioStreamConfigCaps caps = (AudioStreamConfigCaps)Marshal.PtrToStructure(pCaps, typeof(AudioStreamConfigCaps));
var result = new LocalAudioSourceCapability()
{
MinimumChannels = caps.MinimumChannels,
MaximumChannels = caps.MaximumChannels,
MinimumSampleFrequency = caps.MinimumSampleFrequency,
MaximumSampleFrequency = caps.MaximumSampleFrequency
};
list.Add(result);
}
}
catch (Exception e)
{
Log.Error(e, $"Error during retreiving caps for '{device.Name}'");
failed = true;
}
finally
{
if (pCaps != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pCaps);
}
}
Log.Information($"Audio ({device.Name}): Releasing");
try
{
LocalVideoSourceManager.ReleaseComObject(sourceFilter);
LocalVideoSourceManager.ReleaseComObject(filterGraph2);
LocalVideoSourceManager.ReleaseComObject(streamConfig);
LocalVideoSourceManager.ReleaseComObject(pin);
}
catch (Exception e)
{
Log.Error(e, $"ReleaseComObject({device.Name}) failed");
}
Log.Information($"Caps {device.Name}: Count: {list.Count}/{count}, Str={size} ({string.Join("; ", list.Where(s => !s.IsStandart()).Select(s => s.ToString()))})");
return(list.ToArray(), !failed);
}
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);
}
}
/// <summary>
/// Creates the filter by trying to detect it
/// </summary>
/// <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>
/// <returns>true, if the graph building was successful</returns>
private bool CreateAutomaticFilterInstance(Graph graph, Tuner tuner, Crossbar crossbar, IFilterGraph2 graphBuilder)
{
//get all tv audio tuner devices on this system
DsDevice[] devices = null;
try
{
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSTVAudio);
devices = DeviceSorter.Sort(devices, tuner.TunerName, crossbar.CrossBarName);
}
catch (Exception)
{
Log.Log.WriteFile("analog: AddTvAudioFilter no tv audio devices found - Trying TvTuner filter");
}
if (devices != null && devices.Length > 0)
{
// try each tv audio tuner
for (int i = 0; i < devices.Length; i++)
{
IBaseFilter tmp;
Log.Log.WriteFile("analog: AddTvAudioFilter try:{0} {1}", devices[i].Name, i);
//if tv audio tuner is currently in use we can skip it
if (DevicesInUse.Instance.IsUsed(devices[i]))
continue;
int hr;
try
{
//add tv audio tuner 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)
{
//failed to add tv audio tuner to graph, continue with the next one
if (tmp != null)
{
graphBuilder.RemoveFilter(tmp);
Release.ComObject("tvAudioFilter filter", tmp);
}
continue;
}
// try connecting the tv tuner-> tv audio tuner
if (FilterGraphTools.ConnectPin(graphBuilder, tuner.AudioPin, tmp, 0))
{
// Got it !
// Connect tv audio tuner to the crossbar
IPin pin = DsFindPin.ByDirection(tmp, PinDirection.Output, 0);
hr = graphBuilder.Connect(pin, crossbar.AudioTunerIn);
if (hr < 0)
{
//failed
graphBuilder.RemoveFilter(tmp);
Release.ComObject("audiotuner pinin", pin);
Release.ComObject("audiotuner filter", tmp);
}
else
{
//succeeded. we're done
Log.Log.WriteFile("analog: AddTvAudioFilter succeeded:{0}", devices[i].Name);
Release.ComObject("audiotuner pinin", pin);
_filterTvAudioTuner = tmp;
_audioDevice = devices[i];
DevicesInUse.Instance.Add(_audioDevice);
_tvAudioTunerInterface = tuner.Filter as IAMTVAudio;
break;
}
}
else
{
// cannot connect tv tuner-> tv audio tuner, try next one...
graphBuilder.RemoveFilter(tmp);
Release.ComObject("audiotuner filter", tmp);
}
}
}
if (_filterTvAudioTuner == null)
{
Log.Log.WriteFile("analog: AddTvAudioFilter no tv audio devices found - Trying TvTuner filter");
int hr = graphBuilder.Connect(tuner.AudioPin, crossbar.AudioTunerIn);
if (hr != 0)
{
Log.Log.Error("analog: unable to add TvAudioTuner to graph - even TvTuner as TvAudio fails");
mode = TvAudioVariant.Unavailable;
}
else
{
Log.Log.WriteFile("analog: AddTvAudioFilter connected TvTuner with Crossbar directly succeeded!");
mode = TvAudioVariant.TvTunerConnection;
_tvAudioTunerInterface = tuner.Filter as IAMTVAudio;
if (_tvAudioTunerInterface != null)
{
Log.Log.WriteFile("analog: AddTvAudioFilter succeeded - TvTuner is also TvAudio");
_filterTvAudioTuner = tuner.Filter;
mode = TvAudioVariant.TvTuner;
}
}
graph.TvAudio.Mode = mode;
}
else
{
mode = TvAudioVariant.Normal;
graph.TvAudio.Name = _audioDevice.Name;
}
if (mode != TvAudioVariant.Unavailable && mode != TvAudioVariant.TvTunerConnection &&
_tvAudioTunerInterface != null)
{
CheckCapabilities(graph);
}
return true;
}
/// <summary>
/// Initializes a new instance of the <see cref="TvCardDVBC"/> class.
/// </summary>
/// <param name="epgEvents">The EPG events interface.</param>
/// <param name="device">The device.</param>
public TvCardDVBC(IEpgEvents epgEvents, DsDevice device)
: base(epgEvents, device)
{
_cardType = CardType.DvbC;
}
/// <summary> build the capture graph for grabber. </summary>
private void SetupGraph(DsDevice dev, int iSampleRate, int iChannels)
{
int hr;
ISampleGrabber sampGrabber = null;
IBaseFilter capFilter = null;
ICaptureGraphBuilder2 capGraph = null;
IBaseFilter baseGrabFlt = null;
IBaseFilter nullrenderer = null;
IMediaFilter mediaFilt = m_FilterGraph as IMediaFilter;
// Get the graphbuilder object
m_FilterGraph = (IFilterGraph2) new FilterGraph();
m_mediaCtrl = m_FilterGraph as IMediaControl;
try {
// Get the ICaptureGraphBuilder2
capGraph = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
// Get the SampleGrabber interface
sampGrabber = (ISampleGrabber) new SampleGrabber();
// Start building the graph
hr = capGraph.SetFiltergraph(m_FilterGraph);
DsError.ThrowExceptionForHR(hr);
// Add the audio device
hr = m_FilterGraph.AddSourceFilterForMoniker(dev.Mon, null, "Audio input", out capFilter);
DsError.ThrowExceptionForHR(hr);
// If any of the default config items are set
if (iSampleRate + iChannels > 0)
{
SetConfigParms(capGraph, capFilter, iSampleRate, iChannels);
}
// Get the SampleGrabber interface
sampGrabber = new SampleGrabber() as ISampleGrabber;
baseGrabFlt = sampGrabber as IBaseFilter;
ConfigureSampleGrabber(sampGrabber);
// Add the frame grabber to the graph
hr = m_FilterGraph.AddFilter(baseGrabFlt, "Ds.NET Grabber");
DsError.ThrowExceptionForHR(hr);
// ---------------------------------
// Connect the file filter to the sample grabber
// Hopefully this will be the audio pin, we could check by reading it's mediatype
IPin iPinOut = DsFindPin.ByDirection(capFilter, PinDirection.Output, 0);
// Get the input pin from the sample grabber
IPin iPinIn = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Input, 0);
hr = m_FilterGraph.Connect(iPinOut, iPinIn);
DsError.ThrowExceptionForHR(hr);
// Add the null renderer to the graph
nullrenderer = new NullRenderer() as IBaseFilter;
hr = m_FilterGraph.AddFilter(nullrenderer, "Null renderer");
DsError.ThrowExceptionForHR(hr);
// ---------------------------------
// Connect the sample grabber to the null renderer
iPinOut = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Output, 0);
iPinIn = DsFindPin.ByDirection(nullrenderer, PinDirection.Input, 0);
hr = m_FilterGraph.Connect(iPinOut, iPinIn);
DsError.ThrowExceptionForHR(hr);
// Read and cache the resulting settings
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;
}
}
}
public static bool GetDevicesOfCat(Guid cat, out ArrayList devs)
{
devs = null;
int hr;
object comObj = null;
ICreateDevEnum enumDev = null;
IEnumMoniker enumMon = null;
IMoniker[] mon = new IMoniker[1];
try
{
Type srvType = Type.GetTypeFromCLSID(Clsid.SystemDeviceEnum);
if (srvType == null)
{
throw new NotImplementedException("System Device Enumerator");
}
comObj = Activator.CreateInstance(srvType);
enumDev = (ICreateDevEnum)comObj;
hr = enumDev.CreateClassEnumerator(ref cat, out enumMon, 0);
if (hr != 0)
{
throw new NotSupportedException("No devices of the category");
}
int /*f, */ count = 0;
IntPtr ptr = new IntPtr();
do
{
hr = enumMon.Next(1, mon, ptr);
if ((hr != 0) || (mon[0] == null))
{
break;
}
DsDevice dev = new DsDevice();
GetFriendlyName(mon[0], ref dev.Name, ref dev.Path);
if (devs == null)
{
devs = new ArrayList();
}
dev.id = count;
dev.Mon = mon[0]; mon[0] = null;
devs.Add(dev); dev = null;
count++;
}while (true);
return(count > 0);
}
catch (Exception)
{
if (devs != null)
{
foreach (DsDevice d in devs)
{
d.Dispose();
}
devs = null;
}
return(false);
}
finally
{
enumDev = null;
if (mon[0] != null)
{
Marshal.ReleaseComObject(mon[0]);
}
mon[0] = null;
if (enumMon != null)
{
Marshal.ReleaseComObject(enumMon);
}
enumMon = null;
if (comObj != null)
{
Marshal.ReleaseComObject(comObj);
}
comObj = null;
}
}
/// <summary>
/// Create a new filter from its moniker
/// </summary>
/// <param name="dsDevice"></param>
public Device(DsDevice dsDevice)
{
_dsDevice = dsDevice;
}
private void SetupGraph(DsDevice dev, int iWidth, int iHeight, short iBPP)
{
int hr;
ISampleGrabber sampGrabber = null;
IBaseFilter capFilter = null;
IPin pCaptureOut = null;
IPin pSampleIn = null;
IPin pRenderIn = null;
m_FilterGraph = new FilterGraph() as IFilterGraph2;
try
{
#if DEBUG
m_rot = new DsROTEntry(m_FilterGraph);
#endif
hr = m_FilterGraph.AddSourceFilterForMoniker(dev.Mon, null, dev.Name, out capFilter);
DsError.ThrowExceptionForHR(hr);
m_pinStill = DsFindPin.ByCategory(capFilter, PinCategory.Still, 0);
if (m_pinStill == null)
{
m_pinStill = DsFindPin.ByCategory(capFilter, PinCategory.Preview, 0);
}
if (m_pinStill == null)
{
IPin pRaw = null;
IPin pSmart = null;
m_VidControl = null;
IBaseFilter iSmartTee = (IBaseFilter) new SmartTee();
try
{
hr = m_FilterGraph.AddFilter(iSmartTee, "SmartTee");
DsError.ThrowExceptionForHR(hr);
pRaw = DsFindPin.ByCategory(capFilter, PinCategory.Capture, 0);
pSmart = DsFindPin.ByDirection(iSmartTee, PinDirection.Input, 0);
hr = m_FilterGraph.Connect(pRaw, pSmart);
DsError.ThrowExceptionForHR(hr);
m_pinStill = DsFindPin.ByName(iSmartTee, "Preview");
pCaptureOut = DsFindPin.ByName(iSmartTee, "Capture");
if (iHeight + iWidth + iBPP > 0)
{
SetConfigParms(pRaw, iWidth, iHeight, iBPP);
}
}
finally
{
if (pRaw != null)
{
Marshal.ReleaseComObject(pRaw);
}
if (pRaw != pSmart)
{
Marshal.ReleaseComObject(pSmart);
}
if (pRaw != iSmartTee)
{
Marshal.ReleaseComObject(iSmartTee);
}
}
}
else
{
m_VidControl = capFilter as IAMVideoControl;
pCaptureOut = DsFindPin.ByCategory(capFilter, PinCategory.Capture, 0);
if (iHeight + iWidth + iBPP > 0)
{
SetConfigParms(m_pinStill, iWidth, iHeight, iBPP);
}
}
sampGrabber = new SampleGrabber() as ISampleGrabber;
IBaseFilter baseGrabFlt = sampGrabber as IBaseFilter;
ConfigureSampleGrabber(sampGrabber);
pSampleIn = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Input, 0);
IBaseFilter pRenderer = new VideoRendererDefault() as IBaseFilter;
hr = m_FilterGraph.AddFilter(pRenderer, "Renderer");
DsError.ThrowExceptionForHR(hr);
pRenderIn = DsFindPin.ByDirection(pRenderer, PinDirection.Input, 0);
hr = m_FilterGraph.AddFilter(baseGrabFlt, "Ds.NET Grabber");
DsError.ThrowExceptionForHR(hr);
if (m_VidControl == null)
{
hr = m_FilterGraph.Connect(m_pinStill, pSampleIn);
DsError.ThrowExceptionForHR(hr);
hr = m_FilterGraph.Connect(pCaptureOut, pRenderIn);
DsError.ThrowExceptionForHR(hr);
}
else
{
hr = m_FilterGraph.Connect(pCaptureOut, pRenderIn);
DsError.ThrowExceptionForHR(hr);
hr = m_FilterGraph.Connect(m_pinStill, pSampleIn);
DsError.ThrowExceptionForHR(hr);
}
SaveSizeInfo(sampGrabber);
IMediaControl mediaCtrl = m_FilterGraph as IMediaControl;
hr = mediaCtrl.Run();
DsError.ThrowExceptionForHR(hr);
}
finally
{
if (sampGrabber != null)
{
Marshal.ReleaseComObject(sampGrabber);
sampGrabber = null;
}
if (pCaptureOut != null)
{
Marshal.ReleaseComObject(pCaptureOut);
pCaptureOut = null;
}
if (pRenderIn != null)
{
Marshal.ReleaseComObject(pRenderIn);
pRenderIn = null;
}
if (pSampleIn != null)
{
Marshal.ReleaseComObject(pSampleIn);
pSampleIn = null;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TvCardATSC"/> class.
/// </summary>
/// <param name="epgEvents">The EPG events interface.</param>
/// <param name="device">The device.</param>
public TvCardATSC(IEpgEvents epgEvents, DsDevice device)
: base(epgEvents, device)
{
_cardType = CardType.Atsc;
}
/// <summary>
/// Enumerate all tvcard devices and add them to the list
/// </summary>
private void DetectCards()
{
ITunerCap _providerType;
bool genericNP = false;
//SkyStar 2 & IP Streaming
DsDevice[] devices = DsDevice.GetDevicesOfCat(FilterCategory.LegacyAmFilterCategory);
for (int i = 0; i < devices.Length; ++i)
{
if (String.Compare(devices[i].Name, "B2C2 MPEG-2 Source", true) == 0)
{
Log.Log.WriteFile("Detected SkyStar 2 card");
TvCardDvbSS2 card = new TvCardDvbSS2(_epgEvents, devices[i]);
_cards.Add(card);
//break; maybe more than one B2C2 card ?
}
else if (String.Compare(devices[i].Name, "Elecard NWSource-Plus", true) == 0)
{
TvBusinessLayer layer = new TvBusinessLayer();
Setting setting;
setting = layer.GetSetting("iptvCardCount", "1");
int iptvCardCount = Convert.ToInt32(setting.Value);
for (int cardNum = 0; cardNum < iptvCardCount; cardNum++)
{
Log.Log.WriteFile("Detected IP TV Card " + cardNum);
TvCardDVBIP card = new TvCardDVBIPElecard(_epgEvents, devices[i], cardNum);
_cards.Add(card);
}
}
else if (String.Compare(devices[i].Name, "MediaPortal IPTV Source Filter", true) == 0)
{
TvBusinessLayer layer = new TvBusinessLayer();
Setting setting;
setting = layer.GetSetting("iptvCardCount", "1");
int iptvCardCount = Convert.ToInt32(setting.Value);
for (int cardNum = 0; cardNum < iptvCardCount; cardNum++)
{
Log.Log.WriteFile("Detected IP TV Card " + cardNum);
TvCardDVBIP card = new TvCardDVBIPBuiltIn(_epgEvents, devices[i], cardNum);
_cards.Add(card);
}
}
}
//Hauppauge HD PVR & Colossus
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSCrossbar);
for (int i = 0; i < devices.Length; ++i)
{
if (devices[i].Name == null)
{
continue;
}
if (devices[i].Name.Equals("Hauppauge HD PVR Crossbar"))
{
Log.Log.WriteFile("Detected Hauppauge HD PVR");
TvCardHDPVR card = new TvCardHDPVR(devices[i]);
_cards.Add(card);
}
else if (devices[i].Name.Contains("Hauppauge Colossus Crossbar"))
{
Log.Log.WriteFile("Detected Hauppauge Colossus");
TvCardHDPVR card = new TvCardHDPVR(devices[i]);
_cards.Add(card);
}
}
//BDA TV devices
devices = DsDevice.GetDevicesOfCat(FilterCategory.BDASourceFiltersCategory);
if (devices.Length > 0)
{
IFilterGraph2 graphBuilder = (IFilterGraph2) new FilterGraph();
DsROTEntry rotEntry = new DsROTEntry(graphBuilder);
Guid networkProviderClsId = new Guid("{D7D42E5C-EB36-4aad-933B-B4C419429C98}");
if (FilterGraphTools.IsThisComObjectInstalled(networkProviderClsId))
{
handleInternalNetworkProviderFilter(devices, graphBuilder, networkProviderClsId, rotEntry);
}
else
{
ITuningSpace tuningSpace = null;
ILocator locator = null;
//DVBT
IBaseFilter networkDVBT = null;
try
{
networkProviderClsId = typeof(DVBTNetworkProvider).GUID;
networkDVBT = FilterGraphTools.AddFilterFromClsid(graphBuilder, networkProviderClsId,
"DVBT Network Provider");
tuningSpace = (ITuningSpace) new DVBTuningSpace();
tuningSpace.put_UniqueName("DVBT TuningSpace");
tuningSpace.put_FriendlyName("DVBT TuningSpace");
tuningSpace.put__NetworkType(typeof(DVBTNetworkProvider).GUID);
((IDVBTuningSpace)tuningSpace).put_SystemType(DVBSystemType.Terrestrial);
locator = (ILocator) new DVBTLocator();
locator.put_CarrierFrequency(-1);
locator.put_InnerFEC(FECMethod.MethodNotSet);
locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_Modulation(ModulationType.ModNotSet);
locator.put_OuterFEC(FECMethod.MethodNotSet);
locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_SymbolRate(-1);
tuningSpace.put_DefaultLocator(locator);
((ITuner)networkDVBT).put_TuningSpace(tuningSpace);
}
catch (Exception ex)
{
Log.Log.Error("DVBT card detection error: {0}", ex.ToString());
}
//DVBS
networkProviderClsId = typeof(DVBSNetworkProvider).GUID;
IBaseFilter networkDVBS = FilterGraphTools.AddFilterFromClsid(graphBuilder, networkProviderClsId,
"DVBS Network Provider");
tuningSpace = (ITuningSpace) new DVBSTuningSpace();
tuningSpace.put_UniqueName("DVBS TuningSpace");
tuningSpace.put_FriendlyName("DVBS TuningSpace");
tuningSpace.put__NetworkType(typeof(DVBSNetworkProvider).GUID);
((IDVBSTuningSpace)tuningSpace).put_SystemType(DVBSystemType.Satellite);
locator = (ILocator) new DVBTLocator();
locator.put_CarrierFrequency(-1);
locator.put_InnerFEC(FECMethod.MethodNotSet);
locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_Modulation(ModulationType.ModNotSet);
locator.put_OuterFEC(FECMethod.MethodNotSet);
locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_SymbolRate(-1);
tuningSpace.put_DefaultLocator(locator);
((ITuner)networkDVBS).put_TuningSpace(tuningSpace);
//ATSC
networkProviderClsId = typeof(ATSCNetworkProvider).GUID;
IBaseFilter networkATSC = FilterGraphTools.AddFilterFromClsid(graphBuilder, networkProviderClsId,
"ATSC Network Provider");
tuningSpace = (ITuningSpace) new ATSCTuningSpace();
tuningSpace.put_UniqueName("ATSC TuningSpace");
tuningSpace.put_FriendlyName("ATSC TuningSpace");
((IATSCTuningSpace)tuningSpace).put_MaxChannel(10000);
((IATSCTuningSpace)tuningSpace).put_MaxMinorChannel(10000);
((IATSCTuningSpace)tuningSpace).put_MinChannel(0);
((IATSCTuningSpace)tuningSpace).put_MinMinorChannel(0);
((IATSCTuningSpace)tuningSpace).put_MinPhysicalChannel(0);
((IATSCTuningSpace)tuningSpace).put_InputType(TunerInputType.Antenna);
locator = (IATSCLocator) new ATSCLocator();
locator.put_CarrierFrequency(-1);
locator.put_InnerFEC(FECMethod.MethodNotSet);
locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_Modulation(ModulationType.ModNotSet);
locator.put_OuterFEC(FECMethod.MethodNotSet);
locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_SymbolRate(-1);
locator.put_CarrierFrequency(-1);
((IATSCLocator)locator).put_PhysicalChannel(-1);
((IATSCLocator)locator).put_TSID(-1);
tuningSpace.put_DefaultLocator(locator);
((ITuner)networkATSC).put_TuningSpace(tuningSpace);
//DVBC
networkProviderClsId = typeof(DVBCNetworkProvider).GUID;
IBaseFilter networkDVBC = FilterGraphTools.AddFilterFromClsid(graphBuilder, networkProviderClsId,
"DVBC Network Provider");
tuningSpace = (ITuningSpace) new DVBTuningSpace();
tuningSpace.put_UniqueName("DVBC TuningSpace");
tuningSpace.put_FriendlyName("DVBC TuningSpace");
tuningSpace.put__NetworkType(typeof(DVBCNetworkProvider).GUID);
((IDVBTuningSpace)tuningSpace).put_SystemType(DVBSystemType.Cable);
locator = (ILocator) new DVBCLocator();
locator.put_CarrierFrequency(-1);
locator.put_InnerFEC(FECMethod.MethodNotSet);
locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_Modulation(ModulationType.ModNotSet);
locator.put_OuterFEC(FECMethod.MethodNotSet);
locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_SymbolRate(-1);
tuningSpace.put_DefaultLocator(locator);
((ITuner)networkDVBC).put_TuningSpace(tuningSpace);
//MS Network Provider - MCE Roll-up 2 or better
networkProviderClsId = typeof(NetworkProvider).GUID;
// First test if the Generic Network Provider is available (only on MCE 2005 + Update Rollup 2)
if (FilterGraphTools.IsThisComObjectInstalled(networkProviderClsId))
{
genericNP = true;
}
for (int i = 0; i < devices.Length; i++)
{
bool connected = false;
bool isCablePreferred = false;
string name = devices[i].Name ?? "unknown";
name = name.ToLowerInvariant();
Log.Log.WriteFile("Found card:{0}", name);
//silicondust work-around for dvb type detection issue. generic provider would always use dvb-t
if (name.Contains("silicondust hdhomerun tuner"))
{
isCablePreferred = CheckHDHomerunCablePrefered(name);
Log.Log.WriteFile("silicondust hdhomerun detected - prefer cable mode: {0}", isCablePreferred);
}
IBaseFilter tmp;
try
{
graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, name, out tmp);
}
catch (InvalidComObjectException)
{
//ignore bad card
Log.Log.WriteFile("cannot add filter {0} to graph", devices[i].Name);
continue;
}
//Use the Microsoft Network Provider method first but only if available
if (genericNP)
{
IBaseFilter networkDVB = FilterGraphTools.AddFilterFromClsid(graphBuilder, networkProviderClsId,
"Microsoft Network Provider");
if (ConnectFilter(graphBuilder, networkDVB, tmp))
{
Log.Log.WriteFile("Detected DVB card:{0}", name);
// determine the DVB card supported GUIDs here!
_providerType = networkDVB as ITunerCap;
int ulcNetworkTypesMax = 5;
int pulcNetworkTypes;
Guid[] pguidNetworkTypes = new Guid[ulcNetworkTypesMax];
int hr = _providerType.get_SupportedNetworkTypes(ulcNetworkTypesMax, out pulcNetworkTypes,
pguidNetworkTypes);
for (int n = 0; n < pulcNetworkTypes; n++)
{
Log.Log.Debug("Detecting type by MSNP {0}: {1}", n, pguidNetworkTypes[n]);
//test the first found guid to determine the DVB card type
if (pguidNetworkTypes[n] == (typeof(DVBTNetworkProvider).GUID) && !isCablePreferred)
{
Log.Log.WriteFile("Detected DVB-T* card:{0}", name);
TvCardDVBT dvbtCard = new TvCardDVBT(_epgEvents, devices[i]);
_cards.Add(dvbtCard);
connected = true;
}
else if (pguidNetworkTypes[n] == (typeof(DVBSNetworkProvider).GUID) && !isCablePreferred)
{
Log.Log.WriteFile("Detected DVB-S* card:{0}", name);
TvCardDVBS dvbsCard = new TvCardDVBS(_epgEvents, devices[i]);
_cards.Add(dvbsCard);
connected = true;
}
else if (pguidNetworkTypes[n] == (typeof(DVBCNetworkProvider).GUID))
{
Log.Log.WriteFile("Detected DVB-C* card:{0}", name);
TvCardDVBC dvbcCard = new TvCardDVBC(_epgEvents, devices[i]);
_cards.Add(dvbcCard);
connected = true;
}
else if (pguidNetworkTypes[n] == (typeof(ATSCNetworkProvider).GUID))
{
Log.Log.WriteFile("Detected ATSC* card:{0}", name);
TvCardATSC dvbsCard = new TvCardATSC(_epgEvents, devices[i]);
_cards.Add(dvbsCard);
connected = true;
}
if (connected)
{
graphBuilder.RemoveFilter(tmp);
Release.ComObject("tmp filter", tmp);
break; // already found one, no need to continue
}
else if (n == (pulcNetworkTypes - 1))
{
Log.Log.WriteFile("Connected with generic MS Network Provider however network types don't match, using the original method");
}
}
}
else
{
Log.Log.WriteFile("Not connected with generic MS Network Provider, using the original method");
connected = false;
}
graphBuilder.RemoveFilter(networkDVB);
Release.ComObject("ms provider", networkDVB);
}
if (!genericNP || !connected)
{
if (ConnectFilter(graphBuilder, networkDVBT, tmp))
{
Log.Log.WriteFile("Detected DVB-T card:{0}", name);
TvCardDVBT dvbtCard = new TvCardDVBT(_epgEvents, devices[i]);
_cards.Add(dvbtCard);
}
else if (ConnectFilter(graphBuilder, networkDVBC, tmp))
{
Log.Log.WriteFile("Detected DVB-C card:{0}", name);
TvCardDVBC dvbcCard = new TvCardDVBC(_epgEvents, devices[i]);
_cards.Add(dvbcCard);
}
else if (ConnectFilter(graphBuilder, networkDVBS, tmp))
{
Log.Log.WriteFile("Detected DVB-S card:{0}", name);
TvCardDVBS dvbsCard = new TvCardDVBS(_epgEvents, devices[i]);
_cards.Add(dvbsCard);
}
else if (ConnectFilter(graphBuilder, networkATSC, tmp))
{
Log.Log.WriteFile("Detected ATSC card:{0}", name);
TvCardATSC dvbsCard = new TvCardATSC(_epgEvents, devices[i]);
_cards.Add(dvbsCard);
}
graphBuilder.RemoveFilter(tmp);
Release.ComObject("tmp filter", tmp);
}
}
FilterGraphTools.RemoveAllFilters(graphBuilder);
Release.ComObject("dvbc provider", networkDVBC);
Release.ComObject("atsc provider", networkATSC);
Release.ComObject("dvbs provider", networkDVBS);
Release.ComObject("dvbt provider", networkDVBT);
rotEntry.Dispose();
Release.ComObject("graph builder", graphBuilder);
}
}
//Analogue TV devices
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSTVTuner);
for (int i = 0; i < devices.Length; i++)
{
string name = devices[i].Name ?? "unknown";
name = name.ToLowerInvariant();
Log.Log.WriteFile("Detected analog card:{0}", name);
TvCardAnalog analogCard = new TvCardAnalog(devices[i]);
_cards.Add(analogCard);
}
_cards.Add(new RadioWebStreamCard());
}
/// <summary> build the capture graph for grabber. </summary>
private void SetupGraph(DsDevice dev, AMMediaType media)
{
int hr;
ISampleGrabber sampGrabber = null;
IBaseFilter capFilter = null;
ICaptureGraphBuilder2 capGraph = null;
// Get the graphbuilder object
m_FilterGraph = (IFilterGraph2) new FilterGraph();
m_mediaCtrl = m_FilterGraph as IMediaControl;
try
{
// Get the ICaptureGraphBuilder2
capGraph = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
// Get the SampleGrabber interface
sampGrabber = (ISampleGrabber) new SampleGrabber();
// Start building the graph
hr = capGraph.SetFiltergraph( m_FilterGraph );
DsError.ThrowExceptionForHR( hr );
// Add the video device
hr = m_FilterGraph.AddSourceFilterForMoniker(dev.Mon, null, "Video input", out capFilter);
DsError.ThrowExceptionForHR( hr );
// add video crossbar
// thanks to Andrew Fernie - this is to get tv tuner cards working
IAMCrossbar crossbar = null;
object o;
hr = capGraph.FindInterface(PinCategory.Capture, MediaType.Video, capFilter, typeof(IAMCrossbar).GUID, out o);
if (hr >= 0)
{
crossbar = (IAMCrossbar)o;
int oPin, iPin;
int ovLink, ivLink;
ovLink = ivLink = 0;
crossbar.get_PinCounts(out oPin, out iPin);
int pIdxRel;
PhysicalConnectorType tp;
for (int i = 0; i < iPin; i++)
{
crossbar.get_CrossbarPinInfo(true, i, out pIdxRel, out tp);
if (tp == PhysicalConnectorType.Video_Composite) ivLink = i;
}
for (int i = 0; i < oPin; i++)
{
crossbar.get_CrossbarPinInfo(false, i, out pIdxRel, out tp);
if (tp == PhysicalConnectorType.Video_VideoDecoder) ovLink = i;
}
try
{
crossbar.Route(ovLink, ivLink);
o = null;
}
catch
{
throw new Exception("Failed to get IAMCrossbar");
}
}
//add AVI Decompressor
IBaseFilter pAVIDecompressor = (IBaseFilter)new AVIDec();
hr = m_FilterGraph.AddFilter(pAVIDecompressor, "AVI Decompressor");
DsError.ThrowExceptionForHR(hr);
//
IBaseFilter baseGrabFlt = (IBaseFilter) sampGrabber;
ConfigureSampleGrabber(sampGrabber);
// Add the frame grabber to the graph
hr = m_FilterGraph.AddFilter( baseGrabFlt, "Ds.NET Grabber" );
DsError.ThrowExceptionForHR( hr );
SetConfigParms(capGraph, capFilter, media);
hr = capGraph.RenderStream(PinCategory.Capture, MediaType.Video, capFilter, pAVIDecompressor, baseGrabFlt);
if (hr < 0)
{
hr = capGraph.RenderStream(PinCategory.Capture, 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;
}
}
}
/// <summary> build the capture graph for grabber. </summary>
private void SetupGraph(DsDevice dev, int iWidth, int iHeight, short iBPP, Control hControl)
{
int hr;
ISampleGrabber sampGrabber = null;
IBaseFilter capFilter = null;
IPin pCaptureOut = null;
IPin pSampleIn = null;
IPin pRenderIn = null;
// Get the graphbuilder object
m_FilterGraph = new FilterGraph() as IFilterGraph2;
try
{
// add the video input device
hr = m_FilterGraph.AddSourceFilterForMoniker(dev.Mon, null, dev.Name, out capFilter);
DsError.ThrowExceptionForHR(hr);
// Find the still pin
m_pinStill = DsFindPin.ByCategory(capFilter, PinCategory.Still, 0);
// Didn't find one. Is there a preview pin?
if (m_pinStill == null)
{
m_pinStill = DsFindPin.ByCategory(capFilter, PinCategory.Preview, 0);
}
// Still haven't found one. Need to put a splitter in so we have
// one stream to capture the bitmap from, and one to display. Ok, we
// don't *have* to do it that way, but we are going to anyway.
if (m_pinStill == null)
{
IPin pRaw = null;
IPin pSmart = null;
// There is no still pin
m_VidControl = null;
// Add a splitter
IBaseFilter iSmartTee = (IBaseFilter) new SmartTee();
try
{
hr = m_FilterGraph.AddFilter(iSmartTee, "SmartTee");
DsError.ThrowExceptionForHR(hr);
// Find the find the capture pin from the video device and the
// input pin for the splitter, and connnect them
pRaw = DsFindPin.ByCategory(capFilter, PinCategory.Capture, 0);
pSmart = DsFindPin.ByDirection(iSmartTee, PinDirection.Input, 0);
hr = m_FilterGraph.Connect(pRaw, pSmart);
DsError.ThrowExceptionForHR(hr);
// Now set the capture and still pins (from the splitter)
m_pinStill = DsFindPin.ByName(iSmartTee, "Preview");
pCaptureOut = DsFindPin.ByName(iSmartTee, "Capture");
// If any of the default config items are set, perform the config
// on the actual video device (rather than the splitter)
if (iHeight + iWidth + iBPP > 0)
{
SetConfigParms(pRaw, iWidth, iHeight, iBPP);
}
}
finally
{
if (pRaw != null)
{
Marshal.ReleaseComObject(pRaw);
}
if (pRaw != pSmart)
{
Marshal.ReleaseComObject(pSmart);
}
if (pRaw != iSmartTee)
{
Marshal.ReleaseComObject(iSmartTee);
}
}
}
else
{
// Get a control pointer (used in Click())
m_VidControl = capFilter as IAMVideoControl;
pCaptureOut = DsFindPin.ByCategory(capFilter, PinCategory.Capture, 0);
// If any of the default config items are set
if (iHeight + iWidth + iBPP > 0)
{
SetConfigParms(m_pinStill, iWidth, iHeight, iBPP);
}
}
// Get the SampleGrabber interface
sampGrabber = new SampleGrabber() as ISampleGrabber;
// Configure the sample grabber
IBaseFilter baseGrabFlt = sampGrabber as IBaseFilter;
ConfigureSampleGrabber(sampGrabber);
pSampleIn = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Input, 0);
// Get the default video renderer
IBaseFilter pRenderer = new VideoRendererDefault() as IBaseFilter;
hr = m_FilterGraph.AddFilter(pRenderer, "Renderer");
DsError.ThrowExceptionForHR(hr);
pRenderIn = DsFindPin.ByDirection(pRenderer, PinDirection.Input, 0);
// Add the sample grabber to the graph
hr = m_FilterGraph.AddFilter(baseGrabFlt, "Ds.NET Grabber");
DsError.ThrowExceptionForHR(hr);
if (m_VidControl == null)
{
// Connect the Still pin to the sample grabber
hr = m_FilterGraph.Connect(m_pinStill, pSampleIn);
DsError.ThrowExceptionForHR(hr);
// Connect the capture pin to the renderer
hr = m_FilterGraph.Connect(pCaptureOut, pRenderIn);
DsError.ThrowExceptionForHR(hr);
}
else
{
// Connect the capture pin to the renderer
hr = m_FilterGraph.Connect(pCaptureOut, pRenderIn);
DsError.ThrowExceptionForHR(hr);
// Connect the Still pin to the sample grabber
hr = m_FilterGraph.Connect(m_pinStill, pSampleIn);
DsError.ThrowExceptionForHR(hr);
}
// Learn the video properties
SaveSizeInfo(sampGrabber);
ConfigVideoWindow(hControl);
// Start the graph
IMediaControl mediaCtrl = m_FilterGraph as IMediaControl;
hr = mediaCtrl.Run();
DsError.ThrowExceptionForHR(hr);
}
finally
{
if (sampGrabber != null)
{
Marshal.ReleaseComObject(sampGrabber);
sampGrabber = null;
}
if (pCaptureOut != null)
{
Marshal.ReleaseComObject(pCaptureOut);
pCaptureOut = null;
}
if (pRenderIn != null)
{
Marshal.ReleaseComObject(pRenderIn);
pRenderIn = null;
}
if (pSampleIn != null)
{
Marshal.ReleaseComObject(pSampleIn);
pSampleIn = null;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TvCardDVBT"/> class.
/// </summary>
/// <param name="epgEvents">The EPG events interface.</param>
/// <param name="device">The device.</param>
public TvCardDVBT(IEpgEvents epgEvents, DsDevice device)
: base(epgEvents, device)
{
_cardType = CardType.DvbT;
}
public void InitVideoCapture(int videoDeviceID, FrameRate framerate, Resolution resolution,
ImageFormat format, bool grayscale)
{
if (cameraInitialized)
{
return;
}
this.resolution = resolution;
this.grayscale = grayscale;
this.frameRate = framerate;
this.videoDeviceID = videoDeviceID;
this.format = format;
switch (resolution)
{
case Resolution._160x120:
cameraWidth = 160;
cameraHeight = 120;
break;
case Resolution._320x240:
cameraWidth = 320;
cameraHeight = 240;
break;
case Resolution._640x480:
cameraWidth = 640;
cameraHeight = 480;
break;
case Resolution._800x600:
cameraWidth = 800;
cameraHeight = 600;
break;
case Resolution._1024x768:
cameraWidth = 1024;
cameraHeight = 768;
break;
case Resolution._1280x1024:
cameraWidth = 1280;
cameraHeight = 1024;
break;
case Resolution._1600x1200:
cameraWidth = 1600;
cameraHeight = 1200;
break;
}
if (!DsUtils.IsCorrectDirectXVersion())
{
throw new GoblinException("DirectX 8.1 NOT installed!");
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
throw new GoblinException("No video capture devices found!");
}
DsDevice dev = null;
if (videoDeviceID >= capDevices.Count)
{
String suggestion = "Try the following device IDs:";
for (int i = 0; i < capDevices.Count; i++)
{
suggestion += " " + i + ":" + ((DsDevice)capDevices[i]).Name + ", ";
}
throw new GoblinException("VideoDeviceID " + videoDeviceID + " is out of the range. "
+ suggestion);
}
dev = (DsDevice)capDevices[videoDeviceID];
selectedVideoDeviceName = ((DsDevice)capDevices[videoDeviceID]).Name;
if (dev == null)
{
throw new GoblinException("This video device cannot be accessed");
}
StartupVideo(dev.Mon);
cameraInitialized = true;
}
/// <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 WPFMediaKitException(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();
}
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
}
}
internal Device(DsDevice dsDevice)
{
_dsDevice = dsDevice;
}
/// <summary>
/// adds the BDA renderer filter to the graph by elimination
/// then tries to match tuner & render filters if successful then connects them.
/// </summary>
/// <param name="device">Tuner device</param>
/// <param name="currentLastFilter">The current last filter if we add multiple captures</param>
protected void AddBDARendererToGraph(DsDevice device, ref IBaseFilter currentLastFilter)
{
if (!CheckThreadId())
return;
if (_filterCapture != null)
return;
DsDevice[] devices = DsDevice.GetDevicesOfCat(FilterCategory.BDAReceiverComponentsCategory);
const string guidBdaMPEFilter = @"\{8e60217d-a2ee-47f8-b0c5-0f44c55f66dc}";
const string guidBdaSlipDeframerFilter = @"\{03884cb6-e89a-4deb-b69e-8dc621686e6a}";
for (int i = 0; i < devices.Length; i++)
{
if (devices[i].DevicePath.ToUpperInvariant().IndexOf(guidBdaMPEFilter.ToUpperInvariant()) >= 0)
continue;
if (devices[i].DevicePath.ToUpperInvariant().IndexOf(guidBdaSlipDeframerFilter.ToUpperInvariant()) >= 0)
continue;
IBaseFilter tmp;
const string deviceIdDelimter = @"#{";
Log.Log.WriteFile("dvb: -{0}", devices[i].Name);
//Make sure the BDA Receiver Component is on the same physical device as the BDA Source Filter.
//This is done by checking the DeviceId and DeviceInstance part of the DevicePath.
if (matchDevicePath)
{
int indx1 = device.DevicePath.IndexOf(deviceIdDelimter);
int indx2 = devices[i].DevicePath.IndexOf(deviceIdDelimter);
if (indx1 < 0 || indx2 < 0)
{
continue;
}
if (device.DevicePath.Remove(indx1) != devices[i].DevicePath.Remove(indx2))
{
continue;
}
}
if (DevicesInUse.Instance.IsUsed(devices[i]))
continue;
int hr;
try
{
hr = _graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
}
catch (Exception)
{
continue;
}
if (hr != 0)
{
if (tmp != null)
{
Log.Log.Error("dvb: Failed to add bda receiver: {0}. Is it in use?", devices[i].Name);
_graphBuilder.RemoveFilter(tmp);
Release.ComObject("bda receiver", tmp);
}
continue;
}
//render [Tuner]->[Capture]
hr = _capBuilder.RenderStream(null, null, _filterTuner, null, tmp);
if (hr == 0)
{
Log.Log.WriteFile("dvb: Render [Tuner]->[Capture] AOK");
// render [Capture]->[Inf Tee]
_filterCapture = tmp;
_captureDevice = devices[i];
DevicesInUse.Instance.Add(devices[i]);
Log.Log.WriteFile("dvb: Setting lastFilter to Capture device");
currentLastFilter = _filterCapture;
break;
}
// Try another...
Log.Log.WriteFile("dvb: Looking for another bda receiver...");
_graphBuilder.RemoveFilter(tmp);
Release.ComObject("bda receiver", tmp);
}
}
protected DsDevice FindDeviceByName(string name)
{
var devices = DsDevice.GetDevicesOfCat(FilterCategory.LegacyAmFilterCategory);
return(devices.FirstOrDefault(device => device.GetPropBagValue("FriendlyName") == name));
}
/// <summary>
/// Initializes a new instance of the <see cref="TvCardDvbBase"/> class.
/// </summary>
public TvCardDvbBase(DsDevice device)
: base(device)
{
matchDevicePath = true;
_lastSignalUpdate = DateTime.MinValue;
_mapSubChannels = new Dictionary<int, BaseSubChannel>();
_parameters = new ScanParameters();
_minChannel = -1;
_maxChannel = -1;
_supportsSubChannels = true;
Guid networkProviderClsId = new Guid("{D7D42E5C-EB36-4aad-933B-B4C419429C98}");
useInternalNetworkProvider = FilterGraphTools.IsThisComObjectInstalled(networkProviderClsId);
}
public void Capture_video()
{
if (firstActive)
{
firstActive = true;
CloseInterfaces();
//this.Close();
return;
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
MessageBox.Show(this, "DirectX 8.1 NOT installed!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
MessageBox.Show(this, "No video capture devices found!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
SaveFileDialog sd = new SaveFileDialog();
sd.FileName = DateTime.Now.ToString("yyMMdd hh-mm-ss");
sd.Title = "Save Video Stream as...";
sd.Filter = "Video file (*.avi)|*.avi";
sd.FilterIndex = 1;
sd.InitialDirectory = "C:\\temp\\autobot7\\";
Thread.Sleep(2000);
System.Windows.Forms.SendKeys.Send("{ENTER}");
if (sd.ShowDialog() != DialogResult.OK)
{
this.Close(); return;
}
fileName = sd.FileName;
DsDevice dev = null;
if (capDevices.Count == 1)
{
dev = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector(capDevices);
selector.ShowDialog(this);
dev = selector.SelectedDevice;
}
if (dev == null)
{
this.Close(); return;
}
if (!StartupVideo(dev.Mon))
{
this.Close();
}
this.Text = "save" + fileName + "..........";
}
private void SetupGraphInternal(DsDevice dev, VideoFormatHelper.SupportedVideoFormat selectedFormat, ref float iFrameRate, ref int iWidth, ref int iHeight)
{
// Capture Source (Capture/Video) --> (Input) Sample Grabber (Output) --> (In) Null Renderer
IBaseFilter nullRenderer = null;
try
{
// Add the video device
int hr = filterGraph.AddSourceFilterForMoniker(dev.Mon, null, dev.Name, out capFilter);
DsError.ThrowExceptionForHR(hr);
if (capFilter != null)
// If any of the default config items are set
SetConfigParms(capBuilder, capFilter, selectedFormat, ref iFrameRate, ref iWidth, ref iHeight);
IBaseFilter baseGrabFlt = (IBaseFilter)samplGrabber;
ConfigureSampleGrabber(samplGrabber);
hr = filterGraph.AddFilter(baseGrabFlt, "OccuRec AVI Video Grabber");
DsError.ThrowExceptionForHR(hr);
// Connect the video device output to the sample grabber
IPin videoCaptureOutputPin = DsHelper.FindPin(capFilter, PinDirection.Output, MediaType.Video, PinCategory.Capture, "Capture");
IPin grabberInputPin = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Input, 0);
hr = filterGraph.Connect(videoCaptureOutputPin, grabberInputPin);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(videoCaptureOutputPin);
Marshal.ReleaseComObject(grabberInputPin);
// Add the frame grabber to the graph
nullRenderer = (IBaseFilter)new NullRenderer();
hr = filterGraph.AddFilter(nullRenderer, "OccuRec AVI Video Null Renderer");
DsError.ThrowExceptionForHR(hr);
// Connect the sample grabber to the null renderer (so frame samples will be coming through)
IPin grabberOutputPin = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Output, 0);
IPin renderedInputPin = DsFindPin.ByDirection(nullRenderer, PinDirection.Input, 0);
hr = filterGraph.Connect(grabberOutputPin, renderedInputPin);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(grabberOutputPin);
Marshal.ReleaseComObject(renderedInputPin);
}
finally
{
if (nullRenderer != null)
Marshal.ReleaseComObject(nullRenderer);
}
}
static public List <Camera>?GetCameraDevices()
{
List <Camera>?result = null;
string inputFormat = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? "dshow"
: RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ? "v4l2"
: RuntimeInformation.IsOSPlatform(OSPlatform.OSX) ? "avfoundation"
: throw new NotSupportedException($"Cannot find adequate input format - OSArchitecture:[{RuntimeInformation.OSArchitecture}] - OSDescription:[{RuntimeInformation.OSDescription}]");
// FFmpeg doesn't implement avdevice_list_input_sources() for the DShow input format yet.
if (inputFormat == "dshow")
{
result = new List <Camera>();
var dsDevices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
for (int i = 0; i < dsDevices.Length; i++)
{
var dsDevice = dsDevices[i];
if ((dsDevice.Name != null) && (dsDevice.Name.Length > 0))
{
Camera camera = new Camera
{
Name = dsDevice.Name,
Path = "video=" + dsDevice.Name
};
result.Add(camera);
}
}
}
else if (inputFormat == "avfoundation")
{
result = SIPSorceryMedia.FFmpeg.Interop.MacOS.AvFoundation.GetCameraDevices();
}
else
{
AVInputFormat * avInputFormat = ffmpeg.av_find_input_format(inputFormat);
AVDeviceInfoList *avDeviceInfoList = null;
ffmpeg.avdevice_list_input_sources(avInputFormat, null, null, &avDeviceInfoList).ThrowExceptionIfError();
int nDevices = avDeviceInfoList->nb_devices;
var avDevices = avDeviceInfoList->devices;
result = new List <Camera>();
for (int i = 0; i < nDevices; i++)
{
var avDevice = avDevices[i];
var name = Marshal.PtrToStringAnsi((IntPtr)avDevice->device_description);
var path = Marshal.PtrToStringAnsi((IntPtr)avDevice->device_name);
if ((name != null) && (name.Length > 0))
{
Camera camera = new Camera
{
Name = name,
Path = path
};
result.Add(camera);
}
}
ffmpeg.avdevice_free_list_devices(&avDeviceInfoList);
}
return(result);
}
private void OnCameraPlugged(DsDevice device)
{
CameraCapture camera = new CameraCapture(device, WindowHandle);
_camerasAll.Add(camera);
_freeCameras.Add(camera);
if (CameraPlugged != null)
CameraPlugged(this, new CameraEventArgs()
{
Camera = camera,
Available = true
});
}
public static DsDevice[] GetAllSystemCameras()
{
DsDevice[] _SystemCameras = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
return(_SystemCameras);
}
public VDevice(DsDevice dev)
{
m_dev = dev;
}
/// <summary>
/// Creates the teletext component in the graph. First we try to use the stored informations in the graph
/// </summary>
/// <param name="graph">The stored graph</param>
/// <param name="graphBuilder">The graphbuilder</param>
/// <param name="capture">The capture component</param>
/// <returns>true, if the building was successful; false otherwise</returns>
public bool CreateFilterInstance(Graph graph, IFilterGraph2 graphBuilder, Capture capture)
{
Log.Log.WriteFile("analog: SetupTeletext()");
Guid guidBaseFilter = typeof(IBaseFilter).GUID;
object obj;
//find and add tee/sink to sink filter
DsDevice[] devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSSplitter);
devices[0].Mon.BindToObject(null, null, ref guidBaseFilter, out obj);
_teeSink = (IBaseFilter)obj;
int hr = graphBuilder.AddFilter(_teeSink, devices[0].Name);
if (hr != 0)
{
Log.Log.Error("analog:SinkGraphEx.SetupTeletext(): Unable to add tee/sink filter");
return(false);
}
//connect capture filter -> tee sink filter
IPin pin = DsFindPin.ByDirection(_teeSink, PinDirection.Input, 0);
hr = graphBuilder.Connect(capture.VBIPin, pin);
Release.ComObject(pin);
if (hr != 0)
{
//failed...
Log.Log.Error("analog: unable to connect capture->tee/sink");
graphBuilder.RemoveFilter(_teeSink);
Release.ComObject(_teeSink);
_teeSink = _filterWstDecoder = null;
return(false);
}
if (!string.IsNullOrEmpty(graph.Teletext.Name))
{
Log.Log.WriteFile("analog: Using Teletext-Component configuration from stored graph");
devices = DsDevice.GetDevicesOfCat(graph.Teletext.Category);
foreach (DsDevice device in devices)
{
if (device.Name != null && device.Name.Equals(graph.Teletext.Name))
{
//found it, add it to the graph
Log.Log.Info("analog:Using teletext component - {0}", graph.Teletext.Name);
device.Mon.BindToObject(null, null, ref guidBaseFilter, out obj);
_filterWstDecoder = (IBaseFilter)obj;
hr = graphBuilder.AddFilter(_filterWstDecoder, device.Name);
if (hr != 0)
{
//failed...
Log.Log.Error("analog:SinkGraphEx.SetupTeletext(): Unable to add WST Codec filter");
graphBuilder.RemoveFilter(_filterWstDecoder);
_filterWstDecoder = null;
}
break;
}
}
}
if (_filterWstDecoder == null)
{
Log.Log.WriteFile("analog: No stored or invalid graph for Teletext component - Trying to detect");
//find the WST codec filter
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSVBICodec);
foreach (DsDevice device in devices)
{
if (device.Name != null && device.Name.IndexOf("WST") >= 0)
{
//found it, add it to the graph
Log.Log.Info("analog:Found WST Codec filter");
device.Mon.BindToObject(null, null, ref guidBaseFilter, out obj);
_filterWstDecoder = (IBaseFilter)obj;
hr = graphBuilder.AddFilter(_filterWstDecoder, device.Name);
if (hr != 0)
{
//failed...
Log.Log.Error("analog:Unable to add WST Codec filter");
graphBuilder.RemoveFilter(_teeSink);
Release.ComObject(_teeSink);
_teeSink = _filterWstDecoder = null;
return(false);
}
graph.Teletext.Name = device.Name;
graph.Teletext.Category = FilterCategory.AMKSVBICodec;
break;
}
}
//Look for VBI Codec for Vista users as Vista doesn't use WST Codec anymore
if (_filterWstDecoder == null)
{
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSMULTIVBICodec);
foreach (DsDevice device in devices)
{
if (device.Name != null && device.Name.IndexOf("VBI") >= 0)
{
//found it, add it to the graph
Log.Log.Info("analog:Found VBI Codec filter");
device.Mon.BindToObject(null, null, ref guidBaseFilter, out obj);
_filterWstDecoder = (IBaseFilter)obj;
hr = graphBuilder.AddFilter(_filterWstDecoder, device.Name);
if (hr != 0)
{
//failed...
Log.Log.Error("analog:Unable to add VBI Codec filter");
graphBuilder.RemoveFilter(_teeSink);
Release.ComObject(_teeSink);
_teeSink = _filterWstDecoder = null;
return(false);
}
graph.Teletext.Name = device.Name;
graph.Teletext.Category = FilterCategory.AMKSMULTIVBICodec;
break;
}
}
}
}
if (_filterWstDecoder == null)
{
Log.Log.Error("analog: unable to find WST Codec or VBI Codec filter");
graphBuilder.RemoveFilter(_teeSink);
Release.ComObject(_teeSink);
_teeSink = _filterWstDecoder = null;
return(false);
}
//connect tee sink filter-> wst codec filter
IPin pinOut = DsFindPin.ByDirection(_teeSink, PinDirection.Output, 0);
pin = DsFindPin.ByDirection(_filterWstDecoder, PinDirection.Input, 0);
hr = graphBuilder.Connect(pinOut, pin);
Release.ComObject(pin);
Release.ComObject(pinOut);
if (hr != 0)
{
//failed
Log.Log.Error("analog: unable to tee/sink->wst codec");
graphBuilder.RemoveFilter(_filterWstDecoder);
graphBuilder.RemoveFilter(_teeSink);
Release.ComObject(_filterWstDecoder);
Release.ComObject(_teeSink);
_teeSink = _filterWstDecoder = null;
_teeSink = null;
graph.Teletext.Name = null;
graph.Teletext.Category = new Guid();
return(false);
}
//done
Log.Log.WriteFile("analog: teletext setup");
if (_filterWstDecoder != null)
{
Log.Log.WriteFile("analog:connect wst/vbi codec->tsfilesink");
_pinWST_VBI = DsFindPin.ByDirection(_filterWstDecoder, PinDirection.Output, 0);
}
return(true);
}
/// <summary> build the capture graph. </summary>
private void SetupGraph(DsDevice dev, string szFileName)
{
int hr;
IBaseFilter capFilter = null;
IBaseFilter asfWriter = null;
ICaptureGraphBuilder2 capGraph = null;
// Get the graphbuilder object
m_graphBuilder = (IFilterGraph2) new FilterGraph();
try
{
// Get the ICaptureGraphBuilder2
capGraph = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
// Start building the graph
hr = capGraph.SetFiltergraph((IGraphBuilder)m_graphBuilder);
DsError.ThrowExceptionForHR(hr);
#if DEBUG
m_rot = new DsROTEntry(m_graphBuilder);
#endif
// add the video input device
hr = m_graphBuilder.AddSourceFilterForMoniker(dev.Mon, null, dev.Name, out capFilter);
DsError.ThrowExceptionForHR(hr);
// create and configure the asfWriter filter
asfWriter = ConfigAsf(capGraph, szFileName);
DoAnet(asfWriter);
// Add the video device
hr = m_graphBuilder.AddFilter(capFilter, "Ds.NET Video Capture Device");
DsError.ThrowExceptionForHR(hr);
// Connect the capture device to the asf Writer
hr = capGraph.RenderStream(null, null, capFilter, null, asfWriter);
DsError.ThrowExceptionForHR(hr);
// Use this to start/stop the graph
m_mediaCtrl = m_graphBuilder as IMediaControl;
}
finally
{
if (capFilter != null)
{
Marshal.ReleaseComObject(capFilter);
capFilter = null;
}
if (asfWriter != null)
{
Marshal.ReleaseComObject(asfWriter);
asfWriter = null;
}
if (capGraph != null)
{
Marshal.ReleaseComObject(capGraph);
capGraph = null;
}
}
}
/// <summary>
/// destroys the graph and cleans up any resources
/// </summary>
protected void Decompose()
{
if (_graphBuilder == null || !CheckThreadId())
return;
Log.Log.WriteFile("dvb:Decompose");
if (_epgGrabbing)
{
if (_epgGrabberCallback != null && _epgGrabbing)
{
Log.Log.Epg("dvb:cancel epg->decompose");
_epgGrabberCallback.OnEpgCancelled();
}
_epgGrabbing = false;
}
FreeAllSubChannels();
Log.Log.WriteFile(" stop");
// Decompose the graph
int counter = 0, hr = 0;
FilterState state = FilterState.Running;
hr = ((IMediaControl)_graphBuilder).Stop();
while (state != FilterState.Stopped)
{
System.Threading.Thread.Sleep(100);
hr = ((IMediaControl)_graphBuilder).GetState(10, out state);
counter++;
if (counter >= 30)
{
if (state != FilterState.Stopped)
Log.Log.Error("dvb:graph still running");
break;
}
}
//In case MDPlugs exists then close and release them
if (_mdplugs != null)
{
Log.Log.Info(" Closing MDAPI Plugins");
_mdplugs.Close();
_mdplugs = null;
}
if (_conditionalAccess != null)
{
Log.Log.Info(" Disposing ConditionalAccess");
_conditionalAccess.Dispose();
_conditionalAccess = null;
}
Log.Log.WriteFile(" free...");
_interfaceChannelScan = null;
_interfaceEpgGrabber = null;
_previousChannel = null;
if (_filterMpeg2DemuxTif != null)
{
Release.ComObject("_filterMpeg2DemuxTif filter", _filterMpeg2DemuxTif);
_filterMpeg2DemuxTif = null;
}
if (_filterNetworkProvider != null)
{
Release.ComObject("_filterNetworkProvider filter", _filterNetworkProvider);
_filterNetworkProvider = null;
}
if (_infTeeMain != null)
{
Release.ComObject("main inftee filter", _infTeeMain);
_infTeeMain = null;
}
if (_infTeeSecond != null)
{
Release.ComObject("second inftee filter", _infTeeSecond);
_infTeeSecond = null;
}
if (_filterTuner != null)
{
while (Release.ComObject(_filterTuner) > 0)
;
_filterTuner = null;
}
if (_filterCapture != null)
{
while (Release.ComObject(_filterCapture) > 0)
;
_filterCapture = null;
}
if (_filterWinTvUsb != null)
{
Log.Log.Info(" Stopping WinTVCI module");
winTvCiHandler.Shutdown();
while (Release.ComObject(_filterWinTvUsb) > 0)
;
_filterWinTvUsb = null;
}
if (_filterTIF != null)
{
Release.ComObject("TIF filter", _filterTIF);
_filterTIF = null;
}
//if (_filterSectionsAndTables != null)
//{
// Release.ComObject("secions&tables filter", _filterSectionsAndTables); _filterSectionsAndTables = null;
//}
Log.Log.WriteFile(" free pins...");
if (_filterTsWriter as IBaseFilter != null)
{
Release.ComObject("TSWriter filter", _filterTsWriter);
_filterTsWriter = null;
}
else
{
Log.Log.Debug("!!! Error releasing TSWriter filter (_filterTsWriter as IBaseFilter was null!)");
_filterTsWriter = null;
}
Log.Log.WriteFile(" free graph...");
if (_rotEntry != null)
{
_rotEntry.Dispose();
_rotEntry = null;
}
if (_capBuilder != null)
{
Release.ComObject("capture builder", _capBuilder);
_capBuilder = null;
}
if (_graphBuilder != null)
{
FilterGraphTools.RemoveAllFilters(_graphBuilder);
Release.ComObject("graph builder", _graphBuilder);
_graphBuilder = null;
}
Log.Log.WriteFile(" free devices...");
if (_deviceWinTvUsb != null)
{
DevicesInUse.Instance.Remove(_deviceWinTvUsb);
_deviceWinTvUsb = null;
}
if (_tunerDevice != null)
{
DevicesInUse.Instance.Remove(_tunerDevice);
_tunerDevice = null;
}
if (_captureDevice != null)
{
DevicesInUse.Instance.Remove(_captureDevice);
_captureDevice = null;
}
if (_tunerStatistics != null)
{
for (int i = 0; i < _tunerStatistics.Count; i++)
{
IBDA_SignalStatistics stat = _tunerStatistics[i];
while (Release.ComObject(stat) > 0)
;
}
_tunerStatistics.Clear();
}
Log.Log.WriteFile(" decompose done...");
_graphState = GraphState.Idle;
}
public abstract void Open(DsDevice cameraDevice);
public void SetupGraph(DsDevice dev, bool runOCR, VideoFormatHelper.SupportedVideoFormat selectedFormat, ref float iFrameRate, ref int iWidth, ref int iHeight)
{
try
{
filterGraph = (IFilterGraph2)new FilterGraph();
mediaCtrl = filterGraph as IMediaControl;
capBuilder = (ICaptureGraphBuilder2)new CaptureGraphBuilder2();
samplGrabber = (ISampleGrabber)new SampleGrabber();
int hr = capBuilder.SetFiltergraph(filterGraph);
DsError.ThrowExceptionForHR(hr);
if (Settings.Default.VideoGraphDebugMode)
{
if (rot != null)
{
rot.Dispose();
rot = null;
}
rot = new DsROTEntry(filterGraph);
}
SetupGraphInternal(dev, selectedFormat, ref iFrameRate, ref iWidth, ref iHeight);
// Now that sizes are fixed/known, store the sizes
SaveSizeInfo(samplGrabber);
crossbar = CrossbarHelper.SetupTunerAndCrossbar(capBuilder, capFilter);
latestBitmap = new Bitmap(iWidth, iHeight, PixelFormat.Format24bppRgb);
fullRect = new Rectangle(0, 0, latestBitmap.Width, latestBitmap.Height);
NativeHelpers.SetupCamera(
Settings.Default.CameraModel,
iWidth, iHeight,
Settings.Default.HorizontalFlip,
Settings.Default.VerticalFlip,
Settings.Default.IsIntegrating,
(float)Settings.Default.MinSignatureDiffRatio,
(float)Settings.Default.MinSignatureDiff,
Settings.Default.GammaDiff,
Settings.Default.ForceNewFrameOnLockedRate,
dev.Name,
selectedFormat.AsSerialized(),
selectedFormat.FrameRate);
NativeHelpers.SetupAav(Settings.Default.RecordStatusSectionOnly ? AavImageLayout.StatusSectionOnly : Settings.Default.AavImageLayout, Settings.Default.AavCompression);
ocrEnabled = false;
string errorMessage;
if (runOCR)
{
OcrConfiguration ocrConfig = OcrSettings.Instance[Settings.Default.SelectedOcrConfiguration];
errorMessage = NativeHelpers.SetupBasicOcrMetrix(ocrConfig);
if (errorMessage != null && callbacksObject != null)
callbacksObject.OnError(-1, errorMessage);
else
{
NativeHelpers.SetupOcr(ocrConfig);
ocrEnabled = true;
}
}
else
{
errorMessage = NativeHelpers.SetupTimestampPreservation(false, 0, 0);
if (errorMessage != null && callbacksObject != null)
callbacksObject.OnError(-1, errorMessage);
}
}
catch
{
CloseResources();
if (callbacksObject != null)
callbacksObject.OnError(-1, "Error initialising the camera. The selected video mode may not be supported by the camera.");
throw;
}
}
private IBaseFilter BuildFileCaptureGraph(DsDevice dev, DsDevice compressor, VideoFormatHelper.SupportedVideoFormat selectedFormat, string fileName, ref float iFrameRate, ref int iWidth, ref int iHeight)
{
// Capture Source (Capture/Video) --> (Input) Sample Grabber (Output) --> (Input) Video Compressor (Output) --> (Input 01/Video/) AVI Mux (Output) --> (In) FileSink
IBaseFilter muxFilter = null;
IFileSinkFilter fileWriterFilter = null;
IBaseFilter compressorFilter = null;
try
{
IBaseFilter capFilter;
// Add the video device
int hr = filterGraph.AddSourceFilterForMoniker(dev.Mon, null, dev.Name, out capFilter);
DsError.ThrowExceptionForHR(hr);
if (capFilter != null)
{
SetConfigParms(capBuilder, capFilter, selectedFormat, ref iFrameRate, ref iWidth, ref iHeight);
}
IBaseFilter baseGrabFlt = (IBaseFilter)samplGrabber;
ConfigureSampleGrabber(samplGrabber);
hr = filterGraph.AddFilter(baseGrabFlt, "ASCOM Video Grabber");
DsError.ThrowExceptionForHR(hr);
// Connect the video device output to the sample grabber
IPin videoCaptureOutputPin = FindPin(capFilter, PinDirection.Output, MediaType.Video, Guid.Empty, "Capture");
IPin smartTeeInputPin = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Input, 0);
hr = filterGraph.Connect(videoCaptureOutputPin, smartTeeInputPin);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(videoCaptureOutputPin);
Marshal.ReleaseComObject(smartTeeInputPin);
// Create the file writer and AVI Mux (already connected to each other)
hr = capBuilder.SetOutputFileName(MediaSubType.Avi, fileName, out muxFilter, out fileWriterFilter);
DsError.ThrowExceptionForHR(hr);
if (compressor != null)
{
// Create the compressor
compressorFilter = CreateFilter(FilterCategory.VideoCompressorCategory, compressor.Name);
}
if (compressorFilter != null)
{
hr = filterGraph.AddFilter(compressorFilter, "ASCOM Video Compressor");
DsError.ThrowExceptionForHR(hr);
// Connect the sample grabber Output pin to the compressor
IPin grabberOutputPin = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Output, 0);
IPin compressorInputPin = DsFindPin.ByDirection(compressorFilter, PinDirection.Input, 0);
hr = filterGraph.Connect(grabberOutputPin, compressorInputPin);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(grabberOutputPin);
Marshal.ReleaseComObject(compressorInputPin);
// Connect the compressor output to the AVI Mux
IPin compressorOutputPin = DsFindPin.ByDirection(compressorFilter, PinDirection.Output, 0);
IPin aviMuxVideoInputPin = DsFindPin.ByDirection(muxFilter, PinDirection.Input, 0);
hr = filterGraph.Connect(compressorOutputPin, aviMuxVideoInputPin);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(compressorOutputPin);
Marshal.ReleaseComObject(aviMuxVideoInputPin);
}
else
{
// Connect the sample grabber Output pin to the AVI Mux
IPin grabberOutputPin = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Output, 0);
IPin aviMuxVideoInputPin = DsFindPin.ByDirection(muxFilter, PinDirection.Input, 0);
hr = filterGraph.Connect(grabberOutputPin, aviMuxVideoInputPin);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(grabberOutputPin);
Marshal.ReleaseComObject(aviMuxVideoInputPin);
}
return(capFilter);
}
finally
{
if (fileWriterFilter != null)
{
Marshal.ReleaseComObject(fileWriterFilter);
}
if (muxFilter != null)
{
Marshal.ReleaseComObject(muxFilter);
}
if (compressorFilter != null)
{
Marshal.ReleaseComObject(compressorFilter);
}
}
}
/// <summary> build the capture graph for grabber. </summary>
private void SetupGraph(DsDevice dev, int iWidth, int iHeight, short iBPP)
{
ISampleGrabber sampGrabber = null;
IPin pCaptureOut = null;
IPin pRenderIn = null;
// Get the graphbuilder object
m_FilterGraph = (IFilterGraph2)new FilterGraph();
try
{
// add the video input device
IBaseFilter capFilter;
int hr = m_FilterGraph.AddSourceFilterForMoniker(dev.Mon, null, dev.Name, out capFilter);
DsError.ThrowExceptionForHR(hr);
//if (iHeight + iWidth + iBPP > 0)
//{
//SetConfigParms(pRaw, iWidth, iHeight, iBPP);
//}
pCaptureOut = DsFindPin.ByCategory(capFilter, PinCategory.Capture, 0);
// Get the SampleGrabber interface
sampGrabber = new SampleGrabber() as ISampleGrabber;
// Configure the sample grabber
IBaseFilter baseGrabFlt = sampGrabber as IBaseFilter;
ConfigureSampleGrabber(sampGrabber);
// Add the sample grabber to the graph
hr = m_FilterGraph.AddFilter(baseGrabFlt, "Ares Video Grabber");
DsError.ThrowExceptionForHR(hr);
pRenderIn = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Input, 0);
// Connect the capture pin to the renderer
hr = m_FilterGraph.Connect(pCaptureOut, pRenderIn);
DsError.ThrowExceptionForHR(hr);
// Learn the video properties
SaveSizeInfo(sampGrabber);
// Start the graph
IMediaControl mediaCtrl = (IMediaControl)m_FilterGraph;
hr = mediaCtrl.Run();
DsError.ThrowExceptionForHR(hr);
}
finally
{
if (sampGrabber != null)
{
Marshal.ReleaseComObject(sampGrabber);
}
if (pCaptureOut != null)
{
Marshal.ReleaseComObject(pCaptureOut);
}
if (pRenderIn != null)
{
Marshal.ReleaseComObject(pRenderIn);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TvCardDVBT"/> class.
/// </summary>
/// <param name="device">The device.</param>
public TvCardDVBT(DsDevice device)
: base(device)
{
_cardType = CardType.DvbT;
}
/// <summary>
/// Returns the <see cref="CameraInfo"/> for the given <see cref="DsDevice"/>.
/// </summary>
/// <param name="dev">A <see cref="DsDevice"/> to parse name and capabilities for.</param>
/// <returns>The <see cref="CameraInfo"/> for the given device.</returns>
private CameraInfo Caps(DsDevice dev)
{
var camerainfo = new CameraInfo();
// Get the graphbuilder object
var graphBuilder = (IFilterGraph2)new FilterGraph();
// Get the ICaptureGraphBuilder2
var capGraph = (ICaptureGraphBuilder2)new CaptureGraphBuilder2();
IBaseFilter capFilter = null;
try
{
int hr = capGraph.SetFiltergraph(graphBuilder);
DsError.ThrowExceptionForHR(hr);
// Add the video device
hr = graphBuilder.AddSourceFilterForMoniker(dev.Mon, null, "Video input", out capFilter);
// DsError.ThrowExceptionForHR(hr);
if (hr != 0)
{
Console.WriteLine("Error in m_graphBuilder.AddSourceFilterForMoniker(). Could not add source filter. Message: " + DsError.GetErrorText(hr));
return null;
}
//hr = m_graphBuilder.AddFilter(capFilter, "Ds.NET Video Capture Device");
//DsError.ThrowExceptionForHR(hr);
object o = null;
DsGuid cat = PinCategory.Capture;
DsGuid type = MediaType.Interleaved;
DsGuid iid = typeof(IAMStreamConfig).GUID;
// Check if Video capture filter is in use
hr = capGraph.RenderStream(cat, MediaType.Video, capFilter, null, null);
if (hr != 0)
{
return null;
}
//hr = capGraph.FindInterface(PinCategory.Capture, MediaType.Interleaved, capFilter, typeof(IAMStreamConfig).GUID, out o);
//if (hr != 0)
//{
hr = capGraph.FindInterface(PinCategory.Capture, MediaType.Video, capFilter,
typeof(IAMStreamConfig).GUID, out o);
DsError.ThrowExceptionForHR(hr);
//}
var videoStreamConfig = o as IAMStreamConfig;
int iCount = 0;
int iSize = 0;
try
{
if (videoStreamConfig != null) videoStreamConfig.GetNumberOfCapabilities(out iCount, out iSize);
}
catch (Exception)
{
//ErrorLogger.ProcessException(ex, false);
return null;
}
pscc = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(VideoStreamConfigCaps)));
camerainfo.Name = dev.Name;
camerainfo.DirectshowDevice = dev;
for (int i = 0; i < iCount; i++)
{
VideoStreamConfigCaps scc;
try
{
AMMediaType curMedType;
if (videoStreamConfig != null) hr = videoStreamConfig.GetStreamCaps(i, out curMedType, pscc);
Marshal.ThrowExceptionForHR(hr);
scc = (VideoStreamConfigCaps)Marshal.PtrToStructure(pscc, typeof(VideoStreamConfigCaps));
var CSF = new CamSizeFPS();
CSF.FPS = (int)(10000000 / scc.MinFrameInterval);
CSF.Height = scc.InputSize.Height;
CSF.Width = scc.InputSize.Width;
if (!InSizeFpsList(camerainfo.SupportedSizesAndFPS, CSF))
if (ParametersOK(CSF))
camerainfo.SupportedSizesAndFPS.Add(CSF);
}
catch (Exception)
{
//ErrorLogger.ProcessException(ex, false);
}
}
Marshal.FreeCoTaskMem(pscc);
}
finally
{
if (graphBuilder != null)
{
Marshal.ReleaseComObject(graphBuilder);
}
if (capFilter != null)
{
Marshal.ReleaseComObject(capFilter);
}
if (capGraph != null)
{
Marshal.ReleaseComObject(capGraph);
}
}
return camerainfo;
}
/// <summary> build the capture graph for grabber. </summary>
private void SetupGraph(DsDevice dev, int iFrameRate, int iWidth, int iHeight)
{
int hr;
ISampleGrabber sampGrabber = null;
IBaseFilter capFilter = null;
ICaptureGraphBuilder2 capGraph = null;
// Get the graphbuilder object
m_FilterGraph = (IFilterGraph2) new FilterGraph();
m_mediaCtrl = m_FilterGraph as IMediaControl;
try
{
// Get the ICaptureGraphBuilder2
capGraph = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
// Get the SampleGrabber interface
sampGrabber = (ISampleGrabber) new SampleGrabber();
// Start building the graph
hr = capGraph.SetFiltergraph(m_FilterGraph);
DsError.ThrowExceptionForHR(hr);
// Add the video device
hr = m_FilterGraph.AddSourceFilterForMoniker(dev.Mon, null, "Video input", out capFilter);
DsError.ThrowExceptionForHR(hr);
IBaseFilter baseGrabFlt = (IBaseFilter)sampGrabber;
m_capFilter = capFilter;
ConfigureSampleGrabber(sampGrabber);
// Add the frame grabber to the graph
hr = m_FilterGraph.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);
}
hr = capGraph.RenderStream(PinCategory.Capture, MediaType.Video, capFilter, null, baseGrabFlt);
DsError.ThrowExceptionForHR(hr);
m_capGraph = capGraph;
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;
//}
}
}
/// <summary> build the capture graph for grabber. </summary>
private void SetupGraph(DsDevice dev, int iWidth, int iHeight, short iBPP, Control hControl)
{
int hr;
ISampleGrabber sampGrabber = null;
IBaseFilter capFilter = null;
IPin pCaptureOut = null;
IPin pSampleIn = null;
IPin pRenderIn = null;
// Get the graphbuilder object
m_FilterGraph = new FilterGraph() as IFilterGraph2;
try
{
#if DEBUG
m_rot = new DsROTEntry(m_FilterGraph);
#endif
// add the video input device
hr = m_FilterGraph.AddSourceFilterForMoniker(dev.Mon, null, dev.Name, out capFilter);
DsError.ThrowExceptionForHR(hr);
// Find the still pin
m_pinStill = DsFindPin.ByCategory(capFilter, PinCategory.Still, 0);
// Didn't find one. Is there a preview pin?
if (m_pinStill == null)
{
m_pinStill = DsFindPin.ByCategory(capFilter, PinCategory.Preview, 0);
}
// Still haven't found one. Need to put a splitter in so we have
// one stream to capture the bitmap from, and one to display. Ok, we
// don't *have* to do it that way, but we are going to anyway.
if (m_pinStill == null)
{
IPin pRaw = null;
IPin pSmart = null;
// There is no still pin
m_VidControl = null;
// Add a splitter
IBaseFilter iSmartTee = (IBaseFilter)new SmartTee();
try
{
hr = m_FilterGraph.AddFilter(iSmartTee, "SmartTee");
DsError.ThrowExceptionForHR(hr);
// Find the find the capture pin from the video device and the
// input pin for the splitter, and connnect them
pRaw = DsFindPin.ByCategory(capFilter, PinCategory.Capture, 0);
pSmart = DsFindPin.ByDirection(iSmartTee, PinDirection.Input, 0);
hr = m_FilterGraph.Connect(pRaw, pSmart);
DsError.ThrowExceptionForHR(hr);
// Now set the capture and still pins (from the splitter)
m_pinStill = DsFindPin.ByName(iSmartTee, "Preview");
pCaptureOut = DsFindPin.ByName(iSmartTee, "Capture");
// If any of the default config items are set, perform the config
// on the actual video device (rather than the splitter)
if (iHeight + iWidth + iBPP > 0)
{
SetConfigParms(pRaw, iWidth, iHeight, iBPP);
}
}
finally
{
if (pRaw != null)
{
Marshal.ReleaseComObject(pRaw);
}
if (pRaw != pSmart)
{
Marshal.ReleaseComObject(pSmart);
}
if (pRaw != iSmartTee)
{
Marshal.ReleaseComObject(iSmartTee);
}
}
}
else
{
// Get a control pointer (used in Click())
m_VidControl = capFilter as IAMVideoControl;
pCaptureOut = DsFindPin.ByCategory(capFilter, PinCategory.Capture, 0);
// If any of the default config items are set
if (iHeight + iWidth + iBPP > 0)
{
SetConfigParms(m_pinStill, iWidth, iHeight, iBPP);
}
}
// Get the SampleGrabber interface
sampGrabber = new SampleGrabber() as ISampleGrabber;
// Configure the sample grabber
IBaseFilter baseGrabFlt = sampGrabber as IBaseFilter;
ConfigureSampleGrabber(sampGrabber);
pSampleIn = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Input, 0);
// Get the default video renderer
IBaseFilter pRenderer = new VideoRendererDefault() as IBaseFilter;
hr = m_FilterGraph.AddFilter(pRenderer, "Renderer");
DsError.ThrowExceptionForHR(hr);
pRenderIn = DsFindPin.ByDirection(pRenderer, PinDirection.Input, 0);
// Add the sample grabber to the graph
hr = m_FilterGraph.AddFilter(baseGrabFlt, "Ds.NET Grabber");
DsError.ThrowExceptionForHR(hr);
if (m_VidControl == null)
{
// Connect the Still pin to the sample grabber
hr = m_FilterGraph.Connect(m_pinStill, pSampleIn);
DsError.ThrowExceptionForHR(hr);
// Connect the capture pin to the renderer
hr = m_FilterGraph.Connect(pCaptureOut, pRenderIn);
DsError.ThrowExceptionForHR(hr);
}
else
{
// Connect the capture pin to the renderer
hr = m_FilterGraph.Connect(pCaptureOut, pRenderIn);
DsError.ThrowExceptionForHR(hr);
// Connect the Still pin to the sample grabber
hr = m_FilterGraph.Connect(m_pinStill, pSampleIn);
DsError.ThrowExceptionForHR(hr);
}
// Learn the video properties
SaveSizeInfo(sampGrabber);
ConfigVideoWindow(hControl);
// Start the graph
IMediaControl mediaCtrl = m_FilterGraph as IMediaControl;
hr = mediaCtrl.Run();
DsError.ThrowExceptionForHR(hr);
}
finally
{
if (sampGrabber != null)
{
Marshal.ReleaseComObject(sampGrabber);
sampGrabber = null;
}
if (pCaptureOut != null)
{
Marshal.ReleaseComObject(pCaptureOut);
pCaptureOut = null;
}
if (pRenderIn != null)
{
Marshal.ReleaseComObject(pRenderIn);
pRenderIn = null;
}
if (pSampleIn != null)
{
Marshal.ReleaseComObject(pSampleIn);
pSampleIn = null;
}
}
}
/// <summary>
/// Returns the <see cref="CameraInfo"/> for the given <see cref="DsDevice"/>.
/// </summary>
/// <param name="dev">A <see cref="DsDevice"/> to parse name and capabilities for.</param>
/// <returns>The <see cref="CameraInfo"/> for the given device.</returns>
private CameraInfo Caps(DsDevice dev)
{
var camerainfo = new CameraInfo();
// Get the graphbuilder object
var graphBuilder = (IFilterGraph2) new FilterGraph();
// Get the ICaptureGraphBuilder2
var capGraph = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
IBaseFilter capFilter = null;
try
{
int hr = capGraph.SetFiltergraph(graphBuilder);
DsError.ThrowExceptionForHR(hr);
// Add the video device
hr = graphBuilder.AddSourceFilterForMoniker(dev.Mon, null, "Video input", out capFilter);
// DsError.ThrowExceptionForHR(hr);
if (hr != 0)
{
Console.WriteLine("Error in m_graphBuilder.AddSourceFilterForMoniker(). Could not add source filter. Message: " + DsError.GetErrorText(hr));
return(null);
}
//hr = m_graphBuilder.AddFilter(capFilter, "Ds.NET Video Capture Device");
//DsError.ThrowExceptionForHR(hr);
object o = null;
DsGuid cat = PinCategory.Capture;
DsGuid type = MediaType.Interleaved;
DsGuid iid = typeof(IAMStreamConfig).GUID;
// Check if Video capture filter is in use
hr = capGraph.RenderStream(cat, MediaType.Video, capFilter, null, null);
if (hr != 0)
{
return(null);
}
//hr = capGraph.FindInterface(PinCategory.Capture, MediaType.Interleaved, capFilter, typeof(IAMStreamConfig).GUID, out o);
//if (hr != 0)
//{
hr = capGraph.FindInterface(PinCategory.Capture, MediaType.Video, capFilter,
typeof(IAMStreamConfig).GUID, out o);
DsError.ThrowExceptionForHR(hr);
//}
var videoStreamConfig = o as IAMStreamConfig;
int iCount = 0;
int iSize = 0;
try
{
if (videoStreamConfig != null)
{
videoStreamConfig.GetNumberOfCapabilities(out iCount, out iSize);
}
}
catch (Exception)
{
//ErrorLogger.ProcessException(ex, false);
return(null);
}
pscc = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(VideoStreamConfigCaps)));
camerainfo.Name = dev.Name;
camerainfo.DirectshowDevice = dev;
for (int i = 0; i < iCount; i++)
{
VideoStreamConfigCaps scc;
try
{
AMMediaType curMedType;
if (videoStreamConfig != null)
{
hr = videoStreamConfig.GetStreamCaps(i, out curMedType, pscc);
}
Marshal.ThrowExceptionForHR(hr);
scc = (VideoStreamConfigCaps)Marshal.PtrToStructure(pscc, typeof(VideoStreamConfigCaps));
var CSF = new CamSizeFPS();
CSF.FPS = (int)(10000000 / scc.MinFrameInterval);
CSF.Height = scc.InputSize.Height;
CSF.Width = scc.InputSize.Width;
if (!InSizeFpsList(camerainfo.SupportedSizesAndFPS, CSF))
{
if (ParametersOK(CSF))
{
camerainfo.SupportedSizesAndFPS.Add(CSF);
}
}
}
catch (Exception)
{
//ErrorLogger.ProcessException(ex, false);
}
}
Marshal.FreeCoTaskMem(pscc);
}
finally
{
if (graphBuilder != null)
{
Marshal.ReleaseComObject(graphBuilder);
}
if (capFilter != null)
{
Marshal.ReleaseComObject(capFilter);
}
if (capGraph != null)
{
Marshal.ReleaseComObject(capGraph);
}
}
return(camerainfo);
}
/// <summary> build the capture graph for grabber. </summary>
private void SetupGraph(DsDevice dev, int iFrameRate, int iWidth, int iHeight)
{
int hr;
ISampleGrabber sampGrabber = null;
IBaseFilter capFilter = null;
ICaptureGraphBuilder2 capGraph = null;
// Get the graphbuilder object
m_FilterGraph = (IFilterGraph2) new FilterGraph();
m_mediaCtrl = m_FilterGraph as IMediaControl;
try
{
// Get the ICaptureGraphBuilder2
capGraph = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
// Get the SampleGrabber interface
sampGrabber = (ISampleGrabber) new SampleGrabber();
// Start building the graph
hr = capGraph.SetFiltergraph( m_FilterGraph );
DsError.ThrowExceptionForHR( hr );
// Add the video device
hr = m_FilterGraph.AddSourceFilterForMoniker(dev.Mon, null, "Video input", out capFilter);
DsError.ThrowExceptionForHR( hr );
IBaseFilter baseGrabFlt = (IBaseFilter) sampGrabber;
ConfigureSampleGrabber(sampGrabber);
// Add the frame grabber to the graph
hr = m_FilterGraph.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);
}
hr = capGraph.RenderStream( PinCategory.Capture, 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 (LocalVideoSourceCapability[] caps, InputDeviceState state) GetCapabilities(DsDevice device)
{
if (_initialLogging)
{
Log.Information($"Caps {device.Name}: getting");
}
var list = new List <LocalVideoSourceCapability>();
IntPtr pCaps = IntPtr.Zero;
IFilterGraph2 filterGraph2 = null;
IBaseFilter sourceFilter = null;
IAMStreamConfig streamConfig = null;
object pin = null;
InputDeviceState state = InputDeviceState.Ready;
try
{
filterGraph2 = new FilterGraph() as IFilterGraph2;
if (filterGraph2 == null)
{
throw new NotSupportedException("filter2 is null");
}
LocalVideoSourceManager.AddCaptureFilter(filterGraph2, device, out sourceFilter);
pin = DsFindPin.ByCategory(sourceFilter, PinCategory.Capture, 0);
if (pin == null)
{
pin = sourceFilter;
}
streamConfig = pin as IAMStreamConfig;
if (streamConfig == null)
{
throw new NotSupportedException("pin is null");
}
int count = 0;
int size = 0;
Checked(() => streamConfig.GetNumberOfCapabilities(out count, out size), "GetNumberOfCapabilities", null);
if (count <= 0)
{
throw new NotSupportedException("This video source does not report capabilities.");
}
if (size != Marshal.SizeOf(typeof(VideoStreamConfigCaps)))
{
throw new NotSupportedException("Unable to retrieve video source capabilities. This video source requires a larger VideoStreamConfigCaps structure.");
}
// Alloc memory for structure
pCaps = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(VideoStreamConfigCaps)));
for (int i = 0; i < count; i++)
{
AMMediaType mediaType = null;
Checked(() => streamConfig.GetStreamCaps(i, out mediaType, pCaps), "GetStreamCaps", null);
VideoStreamConfigCaps caps = (VideoStreamConfigCaps)Marshal.PtrToStructure(pCaps, typeof(VideoStreamConfigCaps));
var format = GetMediaTypeInfo(mediaType, out var height, out var width, out var compression, out var videoInfoHeader, out var videoInfoHeader2);
var result = new LocalVideoSourceCapability()
{
MaxF = GetFps(caps.MinFrameInterval),
MinF = GetFps(caps.MaxFrameInterval),
Fmt = format,
W = width,
H = height,
};
list.Add(result);
}
}
catch (UnauthorizedAccessException e)
{
Log.Warning(e, $"Error during retreiving caps for '{device.Name}' (Locked)");
state = InputDeviceState.Locked;
}
catch (Exception e)
{
Log.Error(e, $"Error during retreiving caps for '{device.Name}'");
state = InputDeviceState.Failed;
}
finally
{
if (pCaps != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pCaps);
}
}
try
{
ReleaseComObject(sourceFilter);
ReleaseComObject(filterGraph2);
ReleaseComObject(streamConfig);
ReleaseComObject(pin);
}
catch (Exception e)
{
Log.Error(e, $"ReleaseComObject('{device.Name}') failed");
}
if (_initialLogging)
{
Log.Information($"Caps {device.Name}: {string.Join("; ", list.Select(s => s.ToString()))}");
}
return(list.ToArray(), state);
}
/// <summary>
/// Disposes the TvAudio component
/// </summary>
public void Dispose()
{
if (mode == TvAudioVariant.Normal)
{
if (_filterTvAudioTuner != null)
{
while (Release.ComObject(_filterTvAudioTuner) > 0) {}
_filterTvAudioTuner = null;
}
if (_audioDevice != null)
{
DevicesInUse.Instance.Remove(_audioDevice);
_audioDevice = null;
}
}
}
/// <summary>
/// 获取当前接入的视频设备信息
/// </summary>
/// <returns></returns>
private List <DsDevice> GetCameraList()
{
DsDevice[] list = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
return(list.ToList());
}
public void InitDevice(DsDevice device, int iWidth, int iHeight)
{
int hr;
object camDevice;
Guid iid = typeof(IBaseFilter).GUID;
device.Mon.BindToObject(null, null, ref iid, out camDevice);
IBaseFilter camFilter = camDevice as IBaseFilter;
m_CameraControl = camFilter as IAMCameraControl;
m_VideoControl = camFilter as IAMVideoProcAmp;
ISampleGrabber sampGrabber = null;
graphBuilder = (IGraphBuilder)new FilterGraph();
//Create the Capture Graph Builder
ICaptureGraphBuilder2 captureGraphBuilder = null;
captureGraphBuilder = (ICaptureGraphBuilder2)new CaptureGraphBuilder2();
// Attach the filter graph to the capture graph
hr = captureGraphBuilder.SetFiltergraph(this.graphBuilder);
DsError.ThrowExceptionForHR(hr);
//Add the Video input device to the graph
hr = graphBuilder.AddFilter(camFilter, "WebCam" + deviceNumber);
DsError.ThrowExceptionForHR(hr);
// Configure the sample grabber
sampGrabber = new SampleGrabber() as ISampleGrabber;
ConfigureSampleGrabber(sampGrabber);
IBaseFilter sampGrabberBF = sampGrabber as IBaseFilter;
//Add the Video compressor filter to the graph
hr = graphBuilder.AddFilter(sampGrabberBF, "SampleGrabber" + deviceNumber);
DsError.ThrowExceptionForHR(hr);
IBaseFilter nullRender = new NullRenderer() as IBaseFilter;
graphBuilder.AddFilter(nullRender, "NullRenderer" + deviceNumber);
InitResolution(captureGraphBuilder, camFilter, iWidth, iHeight);
hr = captureGraphBuilder.RenderStream(PinCategory.Capture, MediaType.Video, camDevice, sampGrabberBF, nullRender);
DsError.ThrowExceptionForHR(hr);
SaveSizeInfo(sampGrabber);
Marshal.ReleaseComObject(sampGrabber);
Marshal.ReleaseComObject(captureGraphBuilder);
}
/// <summary> build the capture graph for grabber. </summary>
private void SetupGraph(DsDevice dev, AMMediaType media)
{
int hr;
ISampleGrabber sampGrabber = null;
IBaseFilter capFilter = null;
ICaptureGraphBuilder2 capGraph = null;
// Get the graphbuilder object
m_FilterGraph = (IFilterGraph2) new FilterGraph();
m_mediaCtrl = m_FilterGraph as IMediaControl;
try
{
// Get the ICaptureGraphBuilder2
capGraph = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
/*
* // check for crossbar
* var capDevices2 = DsDevice.GetDevicesOfCat(FilterCategory.AMKSCrossbar);
* if (capDevices2.Length > 0)
* {
*
* IBaseFilter cross;
* hr = m_FilterGraph.AddSourceFilterForMoniker(capDevices2[0].Mon, null, "crossbar", out cross);
* ISpecifyPropertyPages pProp = cross as ISpecifyPropertyPages;
*
* //Get the name of the filter from the FilterInfo struct
* FilterInfo filterInfo;
* hr = cross.QueryFilterInfo(out filterInfo);
* DsError.ThrowExceptionForHR(hr);
*
* // Get the propertypages from the property bag
* DsCAUUID caGUID;
* hr = pProp.GetPages(out caGUID);
* DsError.ThrowExceptionForHR(hr);
*
* //Create and display the OlePropertyFrame
* object oDevice = (object)cross;
* hr = NativeMethods.OleCreatePropertyFrame(IntPtr.Zero, 0, 0, filterInfo.achName, 1, ref oDevice, caGUID.cElems, caGUID.pElems, 0, 0, IntPtr.Zero);
* DsError.ThrowExceptionForHR(hr);
*
* Marshal.ReleaseComObject(oDevice);
*
* //IAMCrossbar crossbar2 = cross as IAMCrossbar;
* //int inputPinCount, outputPinCount;
* //crossbar2.get_PinCounts(out inputPinCount, out outputPinCount);
* //crossbar2.Route(0, (int)PhysicalConnectorType.Video_Composite);
* cross = null;
* }*/
// Get the SampleGrabber interface
sampGrabber = (ISampleGrabber) new SampleGrabber();
// Start building the graph
hr = capGraph.SetFiltergraph(m_FilterGraph);
DsError.ThrowExceptionForHR(hr);
// Add the video device
hr = m_FilterGraph.AddSourceFilterForMoniker(dev.Mon, null, "Video input", out capFilter);
DsError.ThrowExceptionForHR(hr);
// add video crossbar
// thanks to Andrew Fernie - this is to get tv tuner cards working
IAMCrossbar crossbar = null;
object o;
hr = capGraph.FindInterface(PinCategory.Capture, MediaType.Video, capFilter, typeof(IAMCrossbar).GUID, out o);
if (hr >= 0)
{
crossbar = (IAMCrossbar)o;
int oPin, iPin;
int ovLink, ivLink;
ovLink = ivLink = 0;
crossbar.get_PinCounts(out oPin, out iPin);
int pIdxRel;
PhysicalConnectorType tp;
for (int i = 0; i < iPin; i++)
{
crossbar.get_CrossbarPinInfo(true, i, out pIdxRel, out tp);
if (tp == PhysicalConnectorType.Video_Composite)
{
ivLink = i;
}
}
for (int i = 0; i < oPin; i++)
{
crossbar.get_CrossbarPinInfo(false, i, out pIdxRel, out tp);
if (tp == PhysicalConnectorType.Video_VideoDecoder)
{
ovLink = i;
}
}
try
{
crossbar.Route(ovLink, ivLink);
o = null;
}
catch
{
throw new Exception("Failed to get IAMCrossbar");
}
}
//add AVI Decompressor
IBaseFilter pAVIDecompressor = (IBaseFilter) new AVIDec();
hr = m_FilterGraph.AddFilter(pAVIDecompressor, "AVI Decompressor");
DsError.ThrowExceptionForHR(hr);
//
IBaseFilter baseGrabFlt = (IBaseFilter)sampGrabber;
ConfigureSampleGrabber(sampGrabber);
// Add the frame grabber to the graph
hr = m_FilterGraph.AddFilter(baseGrabFlt, "Ds.NET Grabber");
DsError.ThrowExceptionForHR(hr);
SetConfigParms(capGraph, capFilter, media);
hr = capGraph.RenderStream(PinCategory.Capture, MediaType.Video, capFilter, pAVIDecompressor, baseGrabFlt);
if (hr < 0)
{
hr = capGraph.RenderStream(PinCategory.Capture, 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;
}
}
}
