It seems it was never FFMPEG's fault, as quicktime and Blender opened the files complete. The culprit was Adobe Premiere. A rather complete solution can be found here: https://superuser.com/questions/1119072/which-ffmpeg-flag-fixes-mp4-missing-frames-in-premiere
Thanks. On Mon, Feb 5, 2018 at 4:37 PM, Fernando Peña D'Andrea < [email protected]> wrote: > The second one caused that. But I figured the problem. I was searching for > the wrong culprit. It's a bug in Adobe Premiere, not on FFMPEG nor my > python script. > > To whoever happens to incur on the same problem: https://superuser. > com/questions/1119072/which-ffmpeg-flag-fixes-mp4-missing- > frames-in-premiere > > Thanks! > > On Mon, Feb 5, 2018 at 10:18 AM, Carl Eugen Hoyos <[email protected]> > wrote: > >> 2018-02-01 21:28 GMT+01:00 Fernando Peña D'Andrea < >> [email protected]>: >> > Hello, all! >> > >> > I'm trying to script-cut a 24 fps video and it gets close to the right >> > thing, except for two missing frames at the beginning of every segment I >> > cut with seeking. >> > >> > I've found out that index-frames (keyframes) could become an issue for >> > seeking, so I first create an intermediate file with every frame as a >> index >> > frame using this line: >> > >> > ffmpeg -i input.mov -c:v libx264 -g 1 -c:a copy intermediate.mp4 >> > >> > Then I proceed to make a cut with this line. Notice I'm drawing some >> text >> > on top of it: >> > >> > ffmpeg -hide_banner -y -i intermediate.mp4 -ss 00:00:02.083333333333 >> > -to 00:00:02.875000000000 -vf >> > drawtext=fontfile=DroidSans.ttf:fontsize=48:text="segment2": >> fontcolor=yellow:box=1:boxborderw=16:[email protected]:x=w/32:y=h/18 >> > output.mp4 >> > >> > No matter the length of the segment, the first two frames get dropped. >> >> Which of the two commands you provided drop two frames? >> >> Please test current FFmpeg git head and provide the command line >> you tested together with the complete, uncut console output. >> >> Carl Eugen >> _______________________________________________ >> ffmpeg-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user >> >> To unsubscribe, visit link above, or email >> [email protected] with subject "unsubscribe". > > > _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
