Video for Windows compatible imaging device

Supported hardware devices

This device is deprecated, use MmfVideo device instead.

Compatible frame grabbers and webcams through Video for Windows interface.

Limitations: currently only certain color modes are supported, minor additional conversion routines may be needed for some devices.

Supported platforms

Installation

Device configuration settings

Type: VFWVideo
AcquisitionRate: (Optional, default: 30)
LocalTimeOffsetSec: (Optional, default: 0)
DataSources: Exactly one DataSource child element is required (Required)
- DataSource: (Required)
- PortUsImageOrientation: (Required)
- ImageType: (Optional, default: BRIGHTNESS)
- BufferSize: (Optional, default: 150)
- AveragedItemsForFiltering: (Optional, default: 20)
- ClipRectangleOrigin: (Optional, default: 0 0 0)
- ClipRectangleSize: (Optional, default: 0 0 0)

Example configuration file PlusDeviceSet_Server_VfwVideoCapture.xml

<PlusConfiguration version="2.0">

  <DataCollection StartupDelaySec="2.0" >
    <DeviceSet
      Name="PlusServer: Video for Windows video capture device"
      Description="Broadcasting acquired video through OpenIGTLink" />
    <Device
      Id="VideoDevice"
      Type="VFWVideo" >
      <DataSources>
        <DataSource Type="Video" Id="Video" PortUsImageOrientation="MF"  />
      </DataSources>
      <OutputChannels>
        <OutputChannel Id="VideoStream" VideoDataSourceId="Video" />
      </OutputChannels>
    </Device>
    <Device
      Id="CaptureDevice"
      Type="VirtualCapture"
      BaseFilename="RecordingTest.igs.mha"
      EnableCapturingOnStart="FALSE" >
      <InputChannels>
        <InputChannel Id="VideoStream" />
      </InputChannels>
    </Device>
  </DataCollection>

  <CoordinateDefinitions>
    <Transform From="Image" To="Reference"
      Matrix="
        0.2 0.0 0.0 0.0
        0.0 0.2 0.0 0.0
        0.0 0.0 0.2 0.0
        0 0 0 1" />
  </CoordinateDefinitions>

  <PlusOpenIGTLinkServer
    MaxNumberOfIgtlMessagesToSend="1"
    MaxTimeSpentWithProcessingMs="50"
    ListeningPort="18944"
    SendValidTransformsOnly="true"
    OutputChannelId="VideoStream" >
    <DefaultClientInfo>
      <MessageTypes>
        <Message Type="IMAGE" />
      </MessageTypes>
      <ImageNames>
        <Image Name="Image" EmbeddedTransformToFrame="Reference" />
      </ImageNames>
    </DefaultClientInfo>
  </PlusOpenIGTLinkServer>

</PlusConfiguration>