On Fri, Jul 5, 2024 at 7:29 PM Mark Filipak <markfilipak.i...@gmail.com> wrote:
> On 05/07/2024 07.54, Paul B Mahol wrote: > > On Fri, Jul 5, 2024 at 2:09 AM Mark Filipak <markfilipak.i...@gmail.com> > > wrote: > > > >> On 04/07/2024 17.12, Paul B Mahol wrote: > >>> Its in documentation: asetpts=N/SR/TB, assuming everything starts from > 0, > >>> so add it after each atrim. > >> > >> For both video & audio, > >> time_base=1/90000 > >> start_pts=1048560 > >> > >> So, there are 'silent' audio samples starting with the first video > frame. > >> I'm dropping 20.062 > >> seconds of video (i.e., 481 frames). I really don't know how I could > >> rewrite audio PTSes to make > >> that 20.062 seconds of audio to go away. I really think that's > impossible. > >> They have to be dropped, > >> just as I am dropping the 481 video frames. > >> > >> Here's my trim commands for the first segment: > >> > >> > >> > trim=start_frame=481:end_frame=134047,atrim=start_sample=962962:end_sample=268360093 > >> > >> Here's the interesting terminal output (slightly beautified): > >> > >> [Parsed_trim_1 @ 0000000000620040] > >> Media type mismatch between the 'Parsed_trim_1' filter output pad 0 > >> (video) and the > >> 'Parsed_atrim_2' filter input pad 0 (audio) > >> > >> [AVFilterGraph @ 000000000061c7c0] Error linking filters > >> > >> Failed to set value > >> 'split=2[i5][i6], > >> [i5]trim=start_frame=481:end_frame=134047, > >> atrim=start_sample=962962:end_sample=268360092[o5], > >> [i6]trim=start_frame=138745:end_frame=246719[o6], > >> [o5][o6]concat=n=2' > >> for option 'filter_complex': Invalid argument > >> Error parsing global options: Invalid argument > >> > > > > This is exact proof that your FFmpeg CLI skills are bellow flat absolute > > zero. I'm wasting my and everyone else time replying to your questions. > > What do you see, Paul, that is wrong? I respect you and your knowledge, > but because you cite no > evidence, it reduces what you write to the level of opinion. Well, anyone > can have an opinion, eh? > If there are 100 opinions, then at least 99 of them are wrong, and perhaps > all 100 are wrong. > > I've given up trying to cut on IDR-frames because I don't know how to find > which frames are > IDR-frames and FFmpeg is not helping with that task. So, I'm decoding > video & audio to pictures & > samples and doing the trimming in those decoded domains. An error > statement like "Failed to set > value" tells me nothing. So, I come here... > > ffmpeg-user is intended to help users to succeed with FFmpeg. Well, > trimming and splicing is > important, wouldn't you say? So, what's wrong with my -filter_complex? > Try this freeware little tool: https://github.com/richardpl/lavfi-preview > > --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".
