public int GetLastGoodFrameId()
{
int probedFrame = m_FrameId;
Pixelmap prevFrame = null;
Pixelmap thisFrame = m_VideoController.GetFrame(probedFrame);
Pixelmap nextFrame = m_VideoController.GetFrame(probedFrame + 1);
try
{
do
{
prevFrame = m_VideoController.GetFrame(probedFrame - 1);
if (!ArePixelmapsTheSame(prevFrame, thisFrame) &&
!ArePixelmapsTheSame(thisFrame, nextFrame))
{
return(probedFrame);
}
//if (nextFrame != null) nextFrame.Dispose();
nextFrame = thisFrame;
thisFrame = prevFrame;
probedFrame--;
}while (thisFrame != null && prevFrame != null && probedFrame > m_VideoController.VideoFirstFrame);
}
finally
{
if (prevFrame != null)
{
prevFrame.Dispose();
}
if (thisFrame != null)
{
thisFrame.Dispose();
}
if (nextFrame != null)
{
nextFrame.Dispose();
}
}
return(m_FrameId);
}
