On Sun, 26 Nov, 2023, 8:18 pm Aditya Dandavate, <adityadandavat...@gmail.com> wrote:
> > > On Sun, 26 Nov, 2023, 7:38 pm Gyan Doshi, <ffm...@gyani.pro> wrote: > >> >> >> On 2023-11-26 07:21 pm, Aditya Dandavate wrote: >> > On Sun, 26 Nov, 2023, 6:44 pm Ferdi Scholten, <fe...@sttc-nlp.nl> >> wrote: >> > >> >> I was trying and searching the web to 'how to encode videos with >> libsvtav1 >> >>> with help of VBR rate control mode and I found on this page that >> setting >> >>> -rc 1 will enable Variable Bitrate mode. >> >>> >> >>> >> >>> >> >> >> https://gitlab.com/AOMediaCodec/SVT-AV1/-/blob/master/Docs/svt-av1_encoder_user_guide.md >> >>> >> >>> I tried to set '-rc 1' but the it says : >> >>> >> >>> `[out#0/nut @ 00000208aba3eac0] Codec AVOption rc (Override the preset >> >>> rate-control) has not been used for any stream. The most likely >> reason is >> >>> either wrong type (e.g. a video option with no video streams) or that >> it >> >> The doc link is for the standalone encoder program supplied with the >> library, not for use with ffmpeg. >> >> For ffmpeg, you should add >> >> -svtav1-params rc=1 >> >> Regards, >> Gyan >> > What is the quality rate control when encoding in VBR mode ? I get message : Svt[warn]: The input q value is ignored in vbr mode 20 when I set the -crf to 20 when enabling the -svtav1-params rc=1. When I set -qp 20, the conversion fails. Which mode to set quality when encoding in VBR mode ? _______________________________________________ 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".
