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

• Windows 32 bits
• Windows 64 bits
• Windows XP embedded 32 bits

Installation

Device configuration settings

• 
  Type = "VFWVideo"
  
• 
  AcquisitionRate
  

  Default = "30"
• 
  LocalTimeOffsetSec
  

  Default = "0"
• 
  DataSources Exactly one DataSource child element is required
  
  • 
    DataSource
    
    • 
      PortUsImageOrientation
      
    • 
      ImageType
      

      Default = "BRIGHTNESS"
    • 
      BufferSize
      

      Default = "150"
    • 
      AveragedItemsForFiltering
      

      Default = "20"
    • 
      ClipRectangleOrigin
      

      Default = "0 0 0"
    • 
      ClipRectangleSize
      

      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>