<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><P>Hello,</P> <P>I have a decently performing stream of mjpeg running at 320x240 at 30fps to an xoverlay in GTK.  When a user clicks a control on the screen I would like to capture a single frame at 640x480, store it and then resume streaming at 320x240.</P> <P> </P> <P>I don't get good throughput at 640x480 so I can't keep the stream running at that resolution and rate and simply grab a single frame.</P> <P> </P> <P>John Buckley</P></div></body></html>