[FFmpeg-user] VBR encoding for libsvtav1.

Ferdi Scholten ferdi at sttc-nlp.nl
Sun Nov 26 15:13:44 EET 2023

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 is
> a private option of some encoder which was not actually used for any
> stream.`
> So, how to encode videos with Variable Bitrate rate control mode with
> libsvtav1 encoder ? I need help from you guys about this.
Please supply full command you have tried AND full output of that 
command. We cannot help without those.

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