How to grab a single image from RTSP stream using FFMPEG : <p>I have seen several other related questions but they all seem to be related to grabbing a still shot every X number of seconds. How can I grab 1 image when the command is run.</p>

<p>I was trying</p>

<pre><code>ffmpeg -y -i rtsp://admin:admin@192.168.10.113:554/live -f image2 -updatefirst 1 do.jpg
</code></pre>
