[FFmpeg-user] Information about using FFmpeg's vbr_hq (VBR High Quality)

Dennis Mungai dmngaie at gmail.com
Sun Nov 7 18:48:50 EET 2021

On Sun, 7 Nov 2021 at 15:52, Fabrizio Negro <trykonasana at gmail.com> wrote:

> Hello!
> I recently started using FFmpeg to convert files.
> Specifically I am trying to encode with FFmpeg in H264 - NVENC trying to
> get the same export quality as Davinci Resolve that uses the NVIDIA
> encoder.
> Unfortunately I'm not succeeding and I think it's because FFmpeg doesn't
> accept -rc: v vbr_hq (VBR High Quality) but only -rc: v vbr (VBR).
> I don't understand why since -rc: v vbr_hq falls under the H264 - NVENC
> options of FFmpeg.
> Can someone help me?
> Thanks!
> (I am a Windows user)
> ffmpeg -c:v h264_nvenc -preset:v p7 -tune:v ull -profile:v high -rc:v vbr
> -cq:v 1 -b:v 25000k -maxrate:v 25000k -bufsize:v 13000k
Can you provide:

1. The ffmpeg version you're running? ffmpeg -builldconf should print that
out, and
2. The nvenc encoder wrapper options available to your build? Run ffmpeg -h
encoder=h264_nvenc and attach that to this thread.

>From there, you can be assisted.

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