I was looking for some equivalent of automatic scene  detection, and found those scripts<div><br></div><div><a href="https://github.com/NapoleonWils0n/ffmpeg-scripts#scene-cut">https://github.com/NapoleonWils0n/ffmpeg-scripts#scene-cut</a></div><div><br></div><div>they work by re-encoding from original clip, but may be they can be modified for using &#39;copy&#39; codec over i-only videos? </div><div><br></div><div>$ ./scene-detect -i ~/dothack2.mpeg -t 0.2 -o cutfile.cvs</div><div><br></div><div>(detects two scene changes) </div><div><br></div><div>./scene-time -i cutfile.cvs -o cutfile</div><div><br></div><div>$ ./scene-cut -i ~/dothack2.mpeg -c cutfile</div><div><br></div><div>$ cat cutfile.cvs</div><div>00:00:00</div><div>00:00:12.36</div><div>00:00:16.896</div><div>$ cat cutfile</div><div>00:00:00,00:00:12.36</div><div>00:00:12.36,00:00:04.536</div><div>$</div><div><br></div><div>lowering threshold to 0.1 &#39;detects&#39; one more scene change, so video split into 3 parts. </div>