> -----Original Message----- > From: ffmpeg-devel [mailto:ffmpeg-devel-boun...@ffmpeg.org] On Behalf Of > Moritz Barsnick > Sent: Wednesday, June 20, 2018 7:32 PM > To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> > Subject: Re: [FFmpeg-devel] [PATCH v4 1/2] lavfi: add opencl tonemap filter. > > On Tue, Jun 19, 2018 at 09:57:31 +0800, Ruiling Song wrote: > > As I didn't receive any other comment on v3, this version only fix the > > comment > from Michael. > > And also include some little change to leverage CL_SET_KERNEL_ARG() macro. > > Could you kindly add some documentation to doc/filters.texi, at least > describing the filter's options? > > > This filter does HDR(HDR10/HLG) to SDR conversion with tone-mapping. > > > > An example command to use this filter with vaapi codecs: > > FFMPEG -init_hw_device vaapi=va:/dev/dri/renderD128 -init_hw_device \ > > opencl=ocl@va -hwaccel vaapi -hwaccel_device va -hwaccel_output_format \ > > vaapi -i INPUT -filter_hw_device ocl -filter_complex \ > > '[0:v]hwmap,tonemap_opencl=t=bt2020:tonemap=linear:format=p010[x1]; \ > > [x1]hwmap=derive_device=vaapi:reverse=1' -c:v hevc_vaapi -profile 2 > OUTPUT > > This could also go into the documentation.
Yes, thanks. Although I am not quite good at English writing, I will try to add some document and send out for review. Thanks! Ruiling > > Thanks, > Moritz > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel