> -Original Message-
> From: Zhou, Zachary
> Sent: Monday, April 8, 2019 3:10 PM
> To: ffmpeg-devel@ffmpeg.org
> Cc: Zhou, Zachary
> Subject: [PATCH v1 2/3] libavcodec: Add thumbnail output to vaapi_h264
> decoder
>
> This is sample code for reference
>
> HW support for decode+scaling
This is sample code for reference
HW support for decode+scaling in a single HW command (VDBOX+SFC).
The primary target usage is video analytics, but can be used playback,
transcoding, etc.
For VAAPI -
https://github.com/intel/libva
basically, it allows multiple outputs (in different resolutions)