Re: [FFmpeg-devel] [PATCH, v3] lavc/qsvenc: add VDENC support for H264

2018-11-27 Thread Li, Zhong
> From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf > Of Linjie Fu > Sent: Tuesday, November 27, 2018 2:49 PM > To: ffmpeg-devel@ffmpeg.org > Cc: Fu, Linjie > Subject: [FFmpeg-devel] [PATCH,v3] lavc/qsvenc: add VDENC support for > H264 > > Add V

[FFmpeg-devel] [PATCH,v3] lavc/qsvenc: add VDENC support for H264

2018-11-26 Thread Linjie Fu
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