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Sourcecode: pwlib version File versions

PINDEX PVideoChannel::GetGrabHeight (  )  [virtual]

Return the height of the currently selected grabbing device.

Definition at line 264 of file pvidchan.cxx.

References accessMutex, PVideoDevice::GetFrameHeight(), and mpInput.

Referenced by DisplayRawData(), and SetGrabberFrameSize().

{
   PWaitAndSignal m(accessMutex);
   if (mpInput != NULL)
     return mpInput->GetFrameHeight();
   else
     return 0;
}


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