Its in documentation: asetpts=N/SR/TB, assuming everything starts from 0, so add it after each atrim.
On Thu, Jul 4, 2024 at 11:09 PM Mark Filipak <markfilipak.i...@gmail.com> wrote: > I meant the "broken non-IDR frame". > > On 04/07/2024 17.04, Mark Filipak wrote: > > Paul, if I find a way to change only the audio frame's PTSes, what would > I change them to? > > Don't I want to simply drop them, instead? > > _But_ if I use -noise=drop, I'll drop the video packets, too, and the > video decoder will malfunction > > because of the broken IDR frame. > > > > This is not a simple problem, eh? > > > > --Mark. > > > > On 04/07/2024 16.25, Mark Filipak wrote: > >> On 04/07/2024 14.22, Paul B Mahol wrote: > >>> On Thu, Jul 4, 2024 at 8:05 PM Mark Filipak < > markfilipak.i...@gmail.com> > >>> wrote: > >>> > >>>> Is there some secret to the trim filter? > >>>> > >>>> --filter_complex "split=2[i5][i6], > >>>> [i5]trim=start_frame=481:end_frame=134047[o5], > >>>> [i6]trim=start_frame=138745:end_frame=246719[o6], > >>>> [o5][o6]concat=n=2" > >>>> > >>>> I get "dup=481", instead, and wind up with 20.061708[3..] seconds of > black > >>>> frames preceding the > >>>> segment I want, and the frame rate is 19.181 FPS. > >>>> > >>>> > >>> You need to rewrite audio timestamps, otherwise you get 'empty' gaps. > >> > >> Have you found an atrim expression that works? > >> > >> I tried adding atrim=start=20.062. Now playback goes for 20.061708[3..] > sec of black frames, then > >> freezes for another 20.061708[3..] sec, then continues as though > nothing strange had happened. > >> > >> Actually changing the audio frame's PTSes is going to be harder than > hard. > >> > >> --Mark. > >> > >> > > > > _______________________________________________ > > 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". > > _______________________________________________ > 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". > _______________________________________________ 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".
