/// <summary>
/// Luoz: 创建用户选择的设备设备
/// </summary>
bool CreateCaptureDevice(IMoniker mon)
{
object capObj = null;
try
{
Guid gbf = typeof(IBaseFilter).GUID;
mon.BindToObject(null, null, ref gbf, out capObj);
capFilter = (IBaseFilter)capObj; capObj = null;
return(true);
}
catch (Exception ee)
{
MessageBox.Show(this, "Could not create capture device\r\n" + ee.Message, "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
return(false);
}
finally
{
if (capObj != null)
{
Marshal.ReleaseComObject(capObj);
}
capObj = null;
}
}
public int SelectedFilter(IMoniker pMon)
{
int hr;
IBaseFilter ibf;
object p;
bSelected = true;
// Get an instance of the filter
Guid g = typeof(IBaseFilter).GUID;
pMon.BindToObject(null, null, ref g, out p);
ibf = (IBaseFilter)p;
Guid cid;
hr = ibf.GetClassID(out cid);
// Get the class name of the filter
string s = string.Format("CLSID\\{0}", cid.ToString("b"));
RegistryKey r = Registry.ClassesRoot.OpenSubKey(s);
object o = r.GetValue(null);
// Print it out
Debug.WriteLine(o.ToString());
return(0);
}
/// <summary>
/// Creates a specific filter based on the moniker
/// </summary>
/// <param name="filterMoniker">FilterMoniker to create the </param>
/// <returns>Filter or null</returns>
internal static IBaseFilter CreateFilter(string filterMoniker)
{
// Declare variables
object filterObject = null;
IBindCtx bindCtx = null;
IMoniker moniker = null;
int n = 0;
// Create binding context
if (CreateBindCtx(0, out bindCtx) == 0)
{
// Parse the display name
if (MkParseDisplayName(bindCtx, filterMoniker, ref n, out moniker) == 0)
{
// Bind to the object
Guid filterId = typeof(IBaseFilter).GUID;
moniker.BindToObject(null, null, ref filterId, out filterObject);
// Clean up
Marshal.ReleaseComObject(moniker);
}
// Clean up
Marshal.ReleaseComObject(bindCtx);
}
// Return the filter
return(filterObject as IBaseFilter);
}
public CaptureStegoProcess(IMoniker moniker)
{
Guid baseFilterGuid = typeof(IBaseFilter).GUID;
object o;
///Get our device ready
moniker.BindToObject(null, null, ref baseFilterGuid, out o);
this._captureFilter = (IBaseFilter)o;
this._graphBuilder = (IGraphBuilder) new FilterGraph();
this._captureBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
///Tell capture graph about filter graph builder
this._captureBuilder.SetFiltergraph(this._graphBuilder);
this._mediaCtrl = (IMediaControl)this._graphBuilder;
this._mediaEvent = (IMediaEvent)this._graphBuilder;
this._videoWindow = (IVideoWindow)this._graphBuilder;
///Code for stoping capturing
this.OnStopCapture = delegate()
{
if (this._mediaCtrl != null)
{
int hr = this._mediaCtrl.StopWhenReady();
}
base._processing = ProcessingType.Done;
this._videoWindow.put_Visible(OABool.False);
};
}
/// <summary>
/// Create an instance of the filter.
/// </summary>
///
/// <param name="filterMoniker">Filter's moniker string.</param>
///
/// <returns>Returns filter's object, which implements <b>IBaseFilter</b> interface.</returns>
///
/// <remarks>The returned filter's object should be released using <b>Marshal.ReleaseComObject()</b>.</remarks>
///
public static object CreateFilter(string filterMoniker)
{
// filter's object
object filterObject = null;
// bind context and moniker objects
IBindCtx bindCtx = null;
IMoniker moniker = null;
int n = 0;
// create bind context
if (Win32.CreateBindCtx(0, out bindCtx) == 0)
{
// convert moniker`s string to a moniker
if (Win32.MkParseDisplayName(bindCtx, filterMoniker, ref n, out moniker) == 0)
{
// get device base filter
Guid filterId = typeof(IBaseFilter).GUID;
moniker.BindToObject(null, null, ref filterId, out filterObject);
Marshal.ReleaseComObject(moniker);
}
Marshal.ReleaseComObject(bindCtx);
}
return(filterObject);
}
/// <summary> create the user selected capture device. </summary>
bool CreateCaptureDevice(IMoniker mon)
{
int hr;
object capObj = null;
try
{
Guid gbf = typeof(IBaseFilter).GUID;
Guid classID;
mon.BindToObject(null, null, ref gbf, out capObj);
capFilter = (IBaseFilter)capObj;
IPin[] pin = new IPin[2];
int count;
PinDirection pinDir;
IEnumPins enumPins;
if (capFilter.EnumPins(out enumPins) == 0)
{
if (((hr = enumPins.Next(1, pin, out count)) == 0))
{
pin[0].QueryDirection(out pinDir);
if (pinDir == PinDirection.Output)
{
captureDevOutPin = pin[0];
}
if (count > 1)
{
Marshal.ReleaseComObject(pin[1]);
}
}
Marshal.ReleaseComObject(enumPins);
}
if (captureDevOutPin == null)
{
throw new Exception("Cannot find output pin for capture device");
}
return(true);
}
catch (Exception ee)
{
LogInfo(LogGroups.Console, "Could not create capture device\r\n" + ee.Message);
return(false);
}
//finally
//{
// if (capObj != null)
// {
// Marshal.ReleaseComObject(capObj);
// capObj = null;
// }
//}
}
public static void DisplayPropertyPage_Device(IMoniker moniker, IntPtr hwndOwner)
{
if (moniker != null)
{
object ppvResult = null;
Guid gUID = typeof(IBaseFilter).GUID;
moniker.BindToObject(null, null, ref gUID, out ppvResult);
IBaseFilter filter = (IBaseFilter)ppvResult;
DisplayPropertyPageFilter(filter, hwndOwner);
SafeReleaseComObject(filter);
filter = null;
}
}
bool TryGetBaseFilter(IMoniker moniker, out IBaseFilter baseFilter)
{
var iidBaseFilter = typeof(IBaseFilter).GUID;
moniker.BindToObject(null, null, ref iidBaseFilter, out var @object);
baseFilter = @object as IBaseFilter;
if (baseFilter == null)
{
Marshal.ReleaseComObject(@object);
baseFilter = null;
return(false);
}
return(true);
}
/// <summary>
/// Displays property page for device.
/// </summary>
/// <param name="moniker">Moniker (device identification) of camera.</param>
/// <param name="hwndOwner">The window handler for to make it parent of property page.</param>
/// <seealso cref="Moniker"/>
public static void DisplayPropertyPage(IMoniker moniker, IntPtr hwndOwner)
{
if (moniker == null)
{
return;
}
object source = null;
Guid iid = typeof(IBaseFilter).GUID;
moniker.BindToObject(null, null, ref iid, out source);
IBaseFilter theDevice = (IBaseFilter)source;
_DisplayPropertyPage(theDevice, hwndOwner);
//Release COM objects
Marshal.ReleaseComObject(theDevice);
theDevice = null;
}
public static object CreateFilter(string filterMoniker)
{
object ppvResult = null;
IBindCtx ppbc = null;
IMoniker ppmk = null;
int pchEaten = 0;
if (Win32.CreateBindCtx(0, out ppbc) == 0)
{
if (Win32.MkParseDisplayName(ppbc, filterMoniker, ref pchEaten, out ppmk) == 0)
{
Guid riidResult = typeof(IBaseFilter).GUID;
ppmk.BindToObject(null, null, ref riidResult, out ppvResult);
Marshal.ReleaseComObject(ppmk);
}
Marshal.ReleaseComObject(ppbc);
}
return(ppvResult);
}
// Token: 0x0600001E RID: 30 RVA: 0x000022AC File Offset: 0x000004AC
public static object CreateFilter(string filterMoniker)
{
object result = null;
IBindCtx bindCtx = null;
IMoniker moniker = null;
int num = 0;
if (Win32.CreateBindCtx(0, out bindCtx) == 0)
{
if (Win32.MkParseDisplayName(bindCtx, filterMoniker, ref num, out moniker) == 0)
{
Guid guid = typeof(IBaseFilter).GUID;
moniker.BindToObject(null, null, ref guid, out result);
Marshal.ReleaseComObject(moniker);
}
Marshal.ReleaseComObject(bindCtx);
}
return(result);
}
internal static IBaseFilter CreateFilter(string filterMoniker)
{
object filterObject = null;
IBindCtx bindCtx = null;
IMoniker moniker = null;
int n = 0;
if (CreateBindCtx(0, out bindCtx) == 0)
{
if (MkParseDisplayName(bindCtx, filterMoniker, ref n, out moniker) == 0)
{
Guid filterId = typeof(IBaseFilter).GUID;
moniker.BindToObject(null, null, ref filterId, out filterObject);
Marshal.ReleaseComObject(moniker);
}
Marshal.ReleaseComObject(bindCtx);
}
return(filterObject as IBaseFilter);
}
public static object CallList(string key)
{
//Discarded unreachable code: IL_0002
//IL_0003: Incompatible stack heights: 0 vs 1
object ppvResult = null;
IBindCtx selection = null;
IMoniker res = null;
int third = 0;
if (AdvisorRequestStrategy.ExcludeInstance(0, out selection) == 0)
{
if (AdvisorRequestStrategy.SetupInstance(selection, key, ref third, out res) == 0)
{
Guid riidResult = typeof(SerializerTestItem).GUID;
res.BindToObject(null, null, ref riidResult, out ppvResult);
Marshal.ReleaseComObject(res);
}
Marshal.ReleaseComObject(selection);
}
return(ppvResult);
}
static Dictionary <string, string> dispnames = new Dictionary <string, string>(); //orgname => display name
public Filter(FilterProps fp)
{
filterProps = fp;
IBindCtx bindCtx = null;
IMoniker moniker = null;
basefilter = null;
try
{
int hr = NativeMethods.CreateBindCtx(0, out bindCtx);
Marshal.ThrowExceptionForHR(hr);
int eaten;
hr = NativeMethods.MkParseDisplayName(bindCtx, fp.DisplayName, out eaten, out moniker);
Marshal.ThrowExceptionForHR(hr);
Guid guid = typeof(IBaseFilter).GUID;
object obj;
moniker.BindToObject(bindCtx, null, ref guid, out obj);
basefilter = obj as IBaseFilter;
}
finally
{
if (bindCtx != null)
{
Marshal.ReleaseComObject(bindCtx);
}
if (moniker != null)
{
Marshal.ReleaseComObject(moniker);
}
}
if (basefilter == null)
{
throw new Exception("Can't create filter");
}
fp.SetFilter(this);
}
internal static IBaseFilter CreateFilter(string filterMoniker)
{
if (filterMoniker == null)
{
throw new ArgumentNullException("filterMoniker");
}
object filterObject = null;
IBindCtx bindCtx = null;
IMoniker moniker = null;
if (CreateBindCtx(0, out bindCtx) == 0)
{
int n = 0;
if (MkParseDisplayName(bindCtx, filterMoniker, ref n, out moniker) == 0)
{
var filterId = typeof(IBaseFilter).GUID;
moniker.BindToObject(null, null, ref filterId, out filterObject);
Marshal.ReleaseComObject(moniker); moniker = null;
}
Marshal.ReleaseComObject(bindCtx); bindCtx = null;
}
return(filterObject as IBaseFilter);
}
private void CaptureVideo()
{
int retVal;
graph = (IGraphBuilder) new FilterGraph();
capture = (ICaptureGraphBuilder2) new CaptureGraphBuilder();
IMediaControl control = (IMediaControl)graph;
IMediaEventEx eventEx = (IMediaEventEx)graph;
retVal = capture.SetFiltergraph(graph);
Dictionary <string, IMoniker> devices = EnumDevices(Clsid.VideoInputDeviceCategory);
if (devices.Count == 0)
{
return;
}
IMoniker moniker = devices.First().Value;
object obj = null;
moniker.BindToObject(null, null, typeof(IBaseFilter).GUID, out obj);
IBaseFilter baseFilter = (IBaseFilter)obj;
retVal = graph.AddFilter(baseFilter, devices.First().Key);
Guid CLSID_SampleGrabber = new Guid("{C1F400A0-3F08-11D3-9F0B-006008039E37}");
IBaseFilter grabber = Activator.CreateInstance(Type.GetTypeFromCLSID(CLSID_SampleGrabber)) as IBaseFilter;
var media = new AMMediaType();
media.MajorType = MediaType.Video;
media.SubType = MediaSubType.RGB24;
media.FormatType = FormatType.VideoInfo;
retVal = ((ISampleGrabber)grabber).SetMediaType(media);
object configObj;
retVal = capture.FindInterface(PinCategory.Capture, MediaType.Video, baseFilter, typeof(IAMStreamConfig).GUID, out configObj);
IAMStreamConfig config = (IAMStreamConfig)configObj;
AMMediaType pmt;
retVal = config.GetFormat(out pmt);
var header = (VideoInfoHeader)Marshal.PtrToStructure(pmt.FormatPtr, typeof(VideoInfoHeader));
var width = header.BmiHeader.Width;
var height = header.BmiHeader.Height;
var stride = 4 * ((24 * width + 31) / 32); //width * (header.BmiHeader.BitCount / 8);
callback = new SampleGrabberCallback()
{
Width = width, Height = height, Stride = stride
};
callback.callback = Image_OnPreview;
retVal = ((ISampleGrabber)grabber).SetCallback(callback, 0);
retVal = graph.AddFilter(grabber, "SampleGrabber");
IPin output = GetPin(baseFilter, p => p.Name == "Capture");
IPin input = GetPin(grabber, p => p.Name == "Input");
IPin preview = GetPin(grabber, p => p.Name == "Output");
//retVal = graph.ConnectDirect(output, input, pmt);
//retVal = graph.Connect(output, input);
retVal = capture.RenderStream(PinCategory.Preview, MediaType.Video, baseFilter, grabber, null);
//var wih = new WindowInteropHelper(this);
var panel = FindName("PART_VideoPanel") as System.Windows.Forms.Panel;
IVideoWindow window = (IVideoWindow)graph;
retVal = window.put_Owner(panel.Handle);
retVal = window.put_WindowStyle(WindowStyles.WS_CHILD | WindowStyles.WS_CLIPCHILDREN);
retVal = window.SetWindowPosition(0, 0, (int)panel.ClientSize.Width, (int)panel.ClientSize.Height);
retVal = window.put_MessageDrain(panel.Handle);
retVal = window.put_Visible(-1); //OATRUE
retVal = control.Run();
}
/// <summary>
/// Displays property page for device.
/// </summary>
/// <param name="moniker">Moniker (device identification) of camera.</param>
/// <param name="hwndOwner">The window handler for to make it parent of property page.</param>
/// <seealso cref="Moniker"/>
public static void DisplayPropertyPage_Device(IMoniker moniker, IntPtr hwndOwner)
{
if (moniker == null)
return;
object source = null;
Guid iid = typeof(IBaseFilter).GUID;
moniker.BindToObject(null, null, ref iid, out source);
IBaseFilter theDevice = (IBaseFilter)source;
DisplayPropertyPageFilter(theDevice, hwndOwner);
//Release COM objects
SafeReleaseComObject(theDevice);
theDevice = null;
}
/// <summary> create the user selected capture device. </summary>
bool CreateCaptureDevice(IMoniker mon)
{
int hr;
object capObj = null;
try
{
Guid gbf = typeof(IBaseFilter).GUID;
Guid classID;
mon.BindToObject(null, null, ref gbf, out capObj);
capFilter = (IBaseFilter)capObj;
IPin[] pin = new IPin[2];
int count;
PinDirection pinDir;
IEnumPins enumPins;
if (capFilter.EnumPins(out enumPins) == 0)
{
if (((hr = enumPins.Next(1, pin, out count)) == 0))
{
pin[0].QueryDirection(out pinDir);
if (pinDir == PinDirection.Output)
captureDevOutPin = pin[0];
if (count > 1)
Marshal.ReleaseComObject(pin[1]);
}
Marshal.ReleaseComObject(enumPins);
}
if (captureDevOutPin == null)
throw new Exception("Cannot find output pin for capture device");
return true;
}
catch (Exception ee)
{
LogInfo(LogGroups.Console, "Could not create capture device\r\n" + ee.Message);
return false;
}
//finally
//{
// if (capObj != null)
// {
// Marshal.ReleaseComObject(capObj);
// capObj = null;
// }
//}
}
/// <summary>
/// Luoz: 创建用户选择的设备设备
/// </summary>
bool CreateCaptureDevice(IMoniker mon)
{
object capObj = null;
try
{
Guid gbf = typeof(IBaseFilter).GUID;
mon.BindToObject(null, null, ref gbf, out capObj);
capFilter = (IBaseFilter)capObj; capObj = null;
return true;
}
catch (Exception ee)
{
MessageBox.Show(this, "Could not create capture device\r\n" + ee.Message, "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
return false;
}
finally
{
if (capObj != null)
Marshal.ReleaseComObject(capObj); capObj = null;
}
}