[FFmpeg-devel] [PATCH v5] lavc/qsvenc: add BRC sliding window setting

[Hendrik Leppkes]

On Mon, Mar 18, 2019 at 7:29 AM Zhong Li <zhong.li at intel.com> wrote:
>
> WinBRCMaxAvgKbps is to specify maximum average bitrate over a
> sliding window with size of WinBRCSize
>
> WinBRCMaxAvgKbps will be ignored in CBR mode and equal to TargetKbps.
>

How are these modes different to ffmpeg rc_max_rate in conjunction
with rc_buffer_size, which are typically used for a VBV-like buffering
scheme in H264/5, which also seems to be a sliding window as I
understand it?

- Hendrik