public static bool GetDevicesOfCat( Guid cat, out ArrayList devs )
{
devs = null;
int hr;
object comObj = null;
ICreateDevEnum enumDev = null;
UCOMIEnumMoniker enumMon = null;
UCOMIMoniker[] mon = new UCOMIMoniker[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;
do
{
hr = enumMon.Next( 1, mon, out f );
if( (hr != 0) || (mon[0] == null) )
break;
DsDevice dev = new DsDevice();
dev.Name = GetFriendlyName( mon[0] );
if( devs == null )
devs = new ArrayList();
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;
}
}
private void okButton_Click(object sender, System.EventArgs e)
{
if( deviceListVw.SelectedItems.Count != 1 )
return;
ListViewItem selitem = deviceListVw.SelectedItems[0];
SelectedDevice = selitem.Tag as DsDevice;
Close();
}
private int width_; // リサイズ後の幅
#endregion Fields
#region Constructors
/// <summary>
/// 各々のキャプチャデバイスを利用するためのクラス。
/// 幅、高さはデフォルト値が設定されます。
/// </summary>
/// <param name="device">キャプチャデバイス</param>
public CaptureDevice(DsDevice device)
{
device_ = device;
name_ = device.Name;
}
public static Image GetImage(DsDevice device)
{
Capture cam = new Capture();
try
{
cam.Init(device);
cam.CaptureImage();
cam.CloseInterfaces();
return cam.image;
}
catch (Exception ex)
{
cam.CloseInterfaces();
Debug.WriteLine(ex);
return null;
}
}
private void Init(DsDevice device)
{
// store it for clean up.
capDevices = new ArrayList();
capDevices.Add(device);
StartupVideo( device.Mon );
}
public static bool GetDevicesOfCat(Guid cat, out ArrayList devs)
{
bool flag;
devs = null;
object o = null;
ICreateDevEnum enum2 = null;
UCOMIEnumMoniker ppEnumMoniker = null;
UCOMIMoniker[] rgelt = new UCOMIMoniker[1];
try
{
Type typeFromCLSID = Type.GetTypeFromCLSID(Clsid.SystemDeviceEnum);
if (typeFromCLSID == null)
{
throw new NotImplementedException("System Device Enumerator");
}
o = Activator.CreateInstance(typeFromCLSID);
enum2 = (ICreateDevEnum) o;
if (enum2.CreateClassEnumerator(ref cat, out ppEnumMoniker, 0) != 0)
{
throw new NotSupportedException("No devices of the category");
}
int num3 = 0;
while (true)
{
int num2;
if ((ppEnumMoniker.Next(1, rgelt, out num2) != 0) || (rgelt[0] == null))
{
break;
}
DsDevice device = new DsDevice {
Name = GetFriendlyName(rgelt[0])
};
if (devs == null)
{
devs = new ArrayList();
}
device.Mon = rgelt[0];
rgelt[0] = null;
devs.Add(device);
device = null;
num3++;
}
flag = num3 > 0;
}
catch (Exception)
{
if (devs != null)
{
foreach (DsDevice device2 in devs)
{
device2.Dispose();
}
devs = null;
}
flag = false;
}
finally
{
enum2 = null;
if (rgelt[0] != null)
{
Marshal.ReleaseComObject(rgelt[0]);
}
rgelt[0] = null;
if (ppEnumMoniker != null)
{
Marshal.ReleaseComObject(ppEnumMoniker);
}
ppEnumMoniker = null;
if (o != null)
{
Marshal.ReleaseComObject(o);
}
o = null;
}
return flag;
}
public static bool GetDevicesOfCat(Guid cat, out ArrayList devs)
{
devs = null;
int hr;
object comObj = null;
ICreateDevEnum enumDev = null;
UCOMIEnumMoniker enumMon = null;
UCOMIMoniker[] mon = new UCOMIMoniker[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;
do
{
hr = enumMon.Next(1, mon, out f);
if ((hr != 0) || (mon[0] == null))
{
break;
}
DsDevice dev = new DsDevice();
dev.Name = GetFriendlyName(mon[0]);
if (devs == null)
{
devs = new ArrayList();
}
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> do cleanup and release DirectShow. </summary>
void CloseInterfaces()
{
int hr;
#if DEBUG
if (rotCookie != 0)
DsROT.RemoveGraphFromRot(ref rotCookie);
#endif
if (mediaCtrl != null)
{
hr = mediaCtrl.Stop();
Marshal.ReleaseComObject(mediaCtrl);
mediaCtrl = null;
}
if (mediaEvt != null)
{
Marshal.ReleaseComObject(mediaEvt);
mediaEvt = null;
}
if (baseGrabFlt != null)
{
Marshal.ReleaseComObject(baseGrabFlt);
baseGrabFlt = null;
}
if (sampleGrabber != null)
{
Marshal.ReleaseComObject(sampleGrabber);
sampleGrabber = null;
}
if (grabberConfig != null)
{
Marshal.ReleaseComObject(grabberConfig);
grabberConfig = null;
}
if (capGraph != null)
{
Marshal.ReleaseComObject(capGraph);
capGraph = null;
}
if (graphBuilder != null)
{
Marshal.ReleaseComObject(graphBuilder);
graphBuilder = null;
}
if (dev != null)
{
dev.Dispose();
dev = null;
}
if (wmVideoDecoder != null)
{
Marshal.ReleaseComObject(wmVideoDecoder);
wmVideoDecoder = null;
}
if (capFilter != null)
{
Marshal.ReleaseComObject(capFilter);
capFilter = null;
}
if (capDevices != null)
{
foreach (DsDevice d in capDevices)
d.Dispose();
capDevices = null;
}
if (atiCrossbar != null)
{
Marshal.ReleaseComObject(atiCrossbar);
atiCrossbar = null;
}
if (motionVector != null)
{
Marshal.ReleaseComObject(motionVector);
motionVector = null;
}
if (teeSplitter != null)
{
Marshal.ReleaseComObject(teeSplitter);
teeSplitter = null;
}
if (videoRenderer != null)
{
Marshal.ReleaseComObject(videoRenderer);
videoRenderer = null;
}
if (vectorGrabber != null)
{
//vectorGrabber.SetCallback(null); // FIXME: sometimes, this causes an exception
Marshal.ReleaseComObject(vectorGrabber);
vectorGrabber = null;
}
if (crossBar != null)
{
Marshal.ReleaseComObject(crossBar);
crossBar = null;
}
}
/// <summary> detect first form appearance, start grabber. </summary>
/// <fixme> There are three paths to activation:
/// One opens a media file whose name is specified in the dsshost.exe.config file,
/// another assumes that a particular video card is present,
/// and the third asks the user to select a video input source.
/// This module really only works for the first two paths.
/// </fixme>
public void Activate()
{
IMoniker moniker;
IMoniker devmoniker;
if (firstActive)
return;
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
LogInfo(LogGroups.Console, "DirectX 8.1 NOT installed!");
//this.Close();
return;
}
try
{
if (videoSource.Equals("File", StringComparison.CurrentCultureIgnoreCase))
{
LogInfo(LogGroups.Console, "File to play : " + filePath);
//capFilter = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.WM_ASF_Reader);
}
else if (videoSource.Equals("Analog", StringComparison.CurrentCultureIgnoreCase))
{
atiCrossbar = (IBaseFilter)DsDev.CreateFromMoniker(ATICrossbar);
capFilter = (IBaseFilter)DsDev.CreateFromMoniker(ATICapture);
atiTVCardFound = true;
}
else // digital camera, may be a webcam
{
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
LogInfo(LogGroups.Console, "No video capture devices found!");
return;
}
if (capDevices.Count == 1)
dev = capDevices[0] as DsDevice;
else
{
//DeviceSelector selector = new DeviceSelector(capDevices);
//selector.ShowDialog();
//dev = selector.SelectedDevice;
dev = capDevices[0] as DsDevice;
}
if (dev == null)
{
LogInfo(LogGroups.Console, "Cannot use first capture device found.");
return;
}
CreateCaptureDevice(dev.Mon);
}
StartupVideo();
}
catch (Exception ex)
{
LogInfo(LogGroups.Console, "Filter Graph can't start : " + ex.Message);
}
}
