[FFmpeg-devel] libx264 roi calculation is inefficient

[Guo, Yejun]

> From: zhipenggong(龚志鹏) [mailto:zhipenggong at tencent.com]
> Sent: Tuesday, February 11, 2020 10:58 AM
> To: ffmpeg-devel at ffmpeg.org
> Cc: Guo, Yejun <yejun.guo at intel.com>
> Subject: libx264 roi calculation is inefficient
> 
> Hi
> 
> Ffmpeg libx264 encoder calculates roi for each frame with roi side data,
> which is inefficient since roi regions are the same for most frames.
> Is it possible to save these calculations?

thanks for the info, I'll take a look at the ROI design, thanks.

> 
> Thanks
> Zhipeng