After making a package succesfully for slackware 32bit -current (it took some time to get it right) I went about to try out what I wanted Kdenlive for actually:

I have some screen recordings made with recordmydesktop, which can only record in ogg format. Some things occurred to me:
- The movie is reported to be much longer than I think it actually is: > 50 minutes instead of about 10 minutes. This factor 5 seems logical as the movie is recorded with 5 fps.
- When playing the clip to find a good in-point, the clip player does not playback, and everything in kdenlive does not respond. I have to quit the program.

So far I have not yet been able to create a movie with this.

Does this sound familiar to anybody, and if so, any known solutions?

Kdenlive was built with MLT and Frei0r packages (as well as the mandatory ffmpeg and related codecs). If there are steps I can do to lookup where the problem exactly lies and how this should be able to get fixed, I'm more than willing to debug and figure out if possible.

I think I figured something out so far:
- melt plays the ogg video fine, no problems there at all.
- ffmpeg complains that the 1st frame is not a keyframe, then asks whether or not to overwrite the file (duh, no!)

if I recall correctly, the clip player uses ffmpeg, which makes me think that it is the ffmpeg question that makes things hang. Now this would be simple enough to fix probably, if I only knew how: how do I fix keyframes, so that ffmpeg eats the file nicely?

An intermediate solution, after searching on the interwebs: Most Linux tools seem to have difficulty with (highly) compressed video. The solution is to convert the file to .dv format like so:

mencoder inputfile.ogv -ovc lavc -oac pcm -vf scale=1680:1040 -o outputfile.dv

After starting a new project with this new file the works seem to be smooth and good to go along.

Happy editing!