I could open video files but then I installed ffmpeg to install opencv and now it does not open video files. I tried vlc and ubuntu's Movie Player to open .mkv, .avi, and .mp4 but none of them opened. When I try opening them from the command line with vlc I get this:
[0x2145070] mkv demux error: cannot load some cues/chapters/tags etc. (broken seekhead or file) [0x2145070] mkv demux error: cannot load some cues/chapters/tags etc. (broken seekhead or file) Segmentation fault
I have ubuntu 11.10 64bit. I used this guide to install ffmpeg. When configuring x264 and ffmpeg I enabled shared and fPIC.
Can anyone help me?