[FFmpeg-cvslog] avfilter/vf_avgblur_opencl: fix error when clSetKernelArg fails

ffmpeg | branch: master | drfer3 | Mon Mar 26 11:08:03 2018 +1100| [29c663d50cbf590e9d225ace2d36a80fb8cbd8d3] | committer: Mark Thompson avfilter/vf_avgblur_opencl: fix error when clSetKernelArg fails Fixes Coverity CID 1430382. > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commi

[FFmpeg-cvslog] lavfi: Add OpenCL avgblur filter

ffmpeg | branch: master | drfer3 | Mon Mar 19 13:30:23 2018 +1100| [6135c958cd3c8e503ebd59996b7b31b844ac9cb9] | committer: Mark Thompson lavfi: Add OpenCL avgblur filter Behaves like the existing avgblur filter, except working on OpenCL hardware frames. Takes exactly the same options. Signed