[FFmpeg-devel] [PATCH] avfilter & opencl: optimize opencl deshake-transform filter

Lenny Wang lenny at multicorewareinc.com
Mon Dec 16 05:16:28 CET 2013


On Sun, Dec 15, 2013 at 9:42 PM, highgod0401 <highgod0401 at gmail.com> wrote:
>
> From: Lenny Wang
> Date: 2013-12-14 19:22
> To: FFmpeg development discussions and patches
> Subject: [FFmpeg-devel] [PATCH] avfilter & opencl: optimize opencl deshake-transform filter
> Optimized OpenCL deshake-transform filter with much improved
> performance observed on mainstream CPU/GPU devices.
>
> Looks good to me thanks
>
> Please attach your performance data
>

Performance data attached.  My command line options:
ffmpeg.exe -y -v 40 -i videotest.mp4 -vf
deshake=opencl=%OCL%:search=1:blocksize=32,crop=in_w-192:in_h-108,scale=w=1920:h=1080
-opencl_options device_idx=%OCLDEVICE% -strict -2 -vcodec libx264
-preset superfast -tune ssim -x264opts ssim output.mp4
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