A Comprehensive Guide to Installing and Configuring OpenCV 2.4.2 on Ubuntu - OzBotzOzBotz
It looks like the OpenCV build can’t find some ffmpeg files. Here’s a couple things to check: 1. Are you sure you installed ffmpeg with the “sudo make install” command? 2. In step 10c, did you see the line that says “FFMPEG: YES”? 3. Did you download ffmp...