> -Original Message-
> From: Fu, Linjie
> Sent: Tuesday, March 26, 2019 13:38
> To: ffmpeg-devel@ffmpeg.org
> Cc: Fu, Linjie ; ChaoX A Liu
> Subject: [PATCH 1/3] lavc/qsvdec: add support for gpu_copy
>
> Add support for GPU copy when QSV decoders works in system memory
> mode.
> However,
Add support for GPU copy when QSV decoders works in system memory mode.
However, memory must be sequent and aligned with 128x64 to enable this
feature.(first introduced in FFmpeg 3.3.1)
GPUCopy = MFX_GPUCOPY_ON leads to performance improvement up to x10.
CMD:
ffmpeg -init_hw_device qsv=hw -filter
