On 9/6/19, Zsolt <[email protected]> wrote: > Hello! > > Does anyone know how do I set the color matrix and range when using > filter_complex? > > I use this filter: > -filter_complex > "[0:a]showfreqs=s=1920x1080:cmode=combined:colors=#990000|#770000,format=yuv444p[vid]" > picture: > [image: 1.jpg] > > > The colors look rather orange, even though I only set the red channel.
They look only reddish here. > Normally I use "-vf scale=out_color_matrix=bt709:out_range=pc" when dealing > with full range to get proper video, but of course I can't use vf with > filter_complex. How do I do it in this case? Very basic question, just add scale=.... after your A->V filter, do not forget to use "," as filter separator. > > *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. > snapshot: > > [image: 2.jpg] > _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
