> > ito at xw62-work:~/Desktop/3D/blender/krill> ffmpeg -i > screencap_12-27-140000-0250.avi krill_screencap.mp4 try ffmpeg -i screencap_12-27-140000-0250.avi -c:v libx264 -qscale:v 22 -async 1 -c:a aac -strict experimental -movflags +faststart krill_screencap.mp4 and see if that works.