I have a little something that's designed to grab one frame from the video 
input and process it with ImageMagick. In order to retrieve that single 
frame, I currently grab one second of avi video with lavrec, the smallest 
amount possible to specify, and then extract one frame to a jpeg from that 
file with lavtrans.

Is there a better way to grab just one frame? Perhaps by streaming a movtar 
through tar and trigger the recording by sending characters via stdin to a 
running lavrec in single-frame mode?

...or perhaps something slightly less complicated?

/Sam



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