I generated a 1920x1080p @ 25fps HD clip according to these instructions:
I can play it OK in Movie Player on Ubuntu 10.04, but it says the duration is only 5'19" instead of what it actually is. FFMpeg reports the duration as 00:24:33:00, which is correct. When it gets to the end of the slider at 5-1/2 minutes, it continues to play.
But when I import it back into kdenlive, it says the duration is only 19 seconds! What does ffmpeg do differently than kdenlive? I thought that it used ffmpeg internally for a lot of things.