Absolutely, but then I used ffmpeg to decode the stream and opencv to do the processing.
Just for completeness: some time after we had the long RTSP discussion, there was another question on the forum about storing video as an mp4 file. Since then I don't use Exec nodes anymore for ffmpeg, but always the Daemon node instead (as you can see here). Because the Daemon node allows you to keep converting (endless) e.g. images to a video file... In that discussion I have added some drawings to explain how the pipes work.
