On Fri, Mar 26, 2021 at 10:07:14AM +0100, Michael Koch wrote: > Am 26.03.2021 um 09:55 schrieb Cecil Westerhof via ffmpeg-user: > > I want to publish a speech I gave during a Zoom meeting. But cutting > > it out does not work. > > > > When I use: > > ffmpeg -y -i 2021-03-25ToastmastersClubAvond.mp4 -ss 1190 -to 1631 > > -acodec copy -vcodec copy -async 1 speech.mp4 > > > > The video starts just a bit to late. But when I use: > > ffmpeg -y -i 2021-03-25ToastmastersClubAvond.mp4 -ss 1185 -to 1631 > > -acodec copy -vcodec copy -async 1 speech.mp4 > > > > which is five seconds earlier. I get the same output. > > > > Am I doing something wrong? > > Without re-encoding you can only cut at keyframes. > If you want to cut at exact times, you must remove -acodec copy and -vcodec > copy
-acodec copy should be fine. Cheers, Peter _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
