Since you're using ImageMagick, you could do without mplayer and use a simpler command for the first step: convert infile.mp4 %08d.png Add -verbose in the

Since you're using ImageMagick, you could do without mplayer and use a simpler command for the first step: convert infile.mp4 %08d.png Add -verbose in there if you want to see the progress as it goes.