Install ffmpeg with --enable-opencl and boxblur_opencl filter

I need help to fix my FFmpeg and make it provide boxblur_filter.

I installed FFmpeg with beblow config.

ffmpeg version n4.2.4-7-gc9f3835b2b Copyright (c) 2000-2020 the FFmpeg developers

built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)


--prefix=/usr/local/ffmpeg --enable-shared --enable-cuda --enable-cuvid

--enable-nvenc --enable-nonfree --enable-libnpp --enable-filter=drawtext

--enable-libfreetype --enable-opencl --extra-ldflags=-L/usr/local/cuda/lib64


and I expect that FFmpeg provide boxblur_opencl filter.

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but I only found avgblur_filter by FFmpeg -filters | grep OpenCL.

... avgblur_opencl V->V Apply average blur filter

... colorkey_opencl V->V Turns a certain color into transparency. Operates on RGB colors.

... convolution_opencl V->V Apply convolution mask to input video

... dilation_opencl V->V Apply dilation effect

... erosion_opencl V->V Apply erosion effect

... nlmeans_opencl V->V Non-local means denoiser through OpenCL

... overlay_opencl VV->V Overlay one video on top of another

... prewitt_opencl V->V Apply prewitt operator

... program_opencl |->V Filter video using an OpenCL program

... roberts_opencl V->V Apply roberts operator

... sobel_opencl V->V Apply sobel operator

... tonemap_opencl V->V perform HDR to SDR conversion with tonemapping

... transpose_opencl V->V Transpose input video

... unsharp_opencl V->V Apply unsharp mask to input video

... openclsrc |->V Generate video using an OpenCL program

Beceriler: Python, CUDA, OpenCL, Yazılım Mimarisi, Video Processing

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