> -Original Message-
> From: Li, Zhong
> Sent: Thursday, November 29, 2018 12:36
> To: FFmpeg development discussions and patches de...@ffmpeg.org>
> Cc: Fu, Linjie
> Subject: RE: [FFmpeg-devel] [PATCH,v4] lavc/qsvenc: add VDENC support for
> H264
>
> >
> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf
> Of Linjie Fu
> Sent: Wednesday, November 28, 2018 12:45 PM
> To: ffmpeg-devel@ffmpeg.org
> Cc: Fu, Linjie
> Subject: [FFmpeg-devel] [PATCH,v4] lavc/qsvenc: add VDENC support for
> H264
>
> Add V
Add VDENC(lowpower mode) support for QSV H264
It's an experimental function(like lowpower in vaapi) with
some limitations:
- CBR/VBR require HuC which should be explicitly loaded via i915
module parameter(i915.enable_guc=2 for linux kernel version >= 4.16)
Use option "-low_power 1" to enable VDEN