On 9/6/19, Zsolt <dqe...@gmail.com> wrote: > Thanks for the reply. > > Paul B Mahol <one...@gmail.com> ezt írta (időpont: 2019. szept. 6., P, > 19:05): > >> >> Very basic question, just add scale=.... after your A->V filter, do >> not forget to use "," as filter separator. >> > > > Perhaps, however it doesn't work: > -filter_complex > "[0:a]showfreqs=s=1920x1080:cmode=combined:colors=#990000|#770000,format=yuv444p[vid],scale=out_color_matrix=bt709:out_range=pc" > > I get a not too helpful error: "Cannot find a matching stream for unlabeled > input pad 0 on filter Parsed_scale_2" >
Your command is simply wrong. Read documentation carefully next time. > > >> > >> > *A different question:* >> > >> > I also tried the showspectrum filter. When I use fscale=log the result >> > is >> > quite horrible. as if it's the same linear scale only the lower >> frequencies >> > obscenely stretched, can this be helped? >> >> Try showcqt filter if you can use it. >> > > Going by what screenshot and videos I saw of that, it suffers from the same > issue. Then use something else. > _______________________________________________ > 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".