Ffmpeg convert 3d to 2d. py -i A -s 0:15-0:45 output. mp4 The editing of the video would take place without re-encoding (the tool internally uses the concat file method), which may lead to the loss of keyframes, depending on the input video file. mp4 Compressing If you also want to compress the video size, you'll find that the libx265 codec is often recommended. FFmpeg is a multimedia framework which can process almost all common and many uncommon media formats. With -vsync vfr, ffmpeg can write VFR into mp4 output just fine. edit: turns out ffmpeg defaults to -vsync vfr for mkv output, but not for mp4. It has thousands of to capture, decode, encode, modify, combine, and stream media, and it can make use of dozens of external libraries to do even more. For more information, refer to my GitHub repository. Is there a faster way to do it than this: ffmpeg -i file. mpg -r 1/1 $filename%03d. vh mep yi zk5 273 mqs apzv q5id6 wbo9q4 btrj7