Re: [FFmpeg-devel] [PATCH v2 1/1] lavfi/vf_gopromax_opencl: add GoPor Max 360 video filter

[Michael Niedermayer <michael@niedermayer.cc>]

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On Mon, Jul 29, 2024 at 01:30:34AM +0900, TADANO Tokumei wrote:
> On 2024/07/28 18:26, Michael Niedermayer wrote:
> > On Sun, Jul 28, 2024 at 01:42:09AM +0900, TADANO Tokumei wrote:
> > > 
> > > On 2024/07/27 13:30, TADANO Tokumei wrote:
> > > > Add an OpenCL filter for filtering GoPro Max native .360 files
> > > > into standard equirectangular or youtube equiangular cubemap (eac)
> > > > projection.
> > > > 
> > > > The .360 file contains separated two video streams.
> > > > This filter combine two streams into single stream with standard
> > > > format.
> > > > ---
> > > >    doc/filters.texi                 |  78 +++++++
> > > >    libavfilter/Makefile             |   2 +
> > > >    libavfilter/allfilters.c         |   1 +
> > > >    libavfilter/opencl/gopromax.cl   | 280 ++++++++++++++++++++++++
> > > >    libavfilter/opencl_source.h      |   1 +
> > > >    libavfilter/vf_gopromax_opencl.c | 351 +++++++++++++++++++++++++++++++
> > > >    6 files changed, 713 insertions(+)
> > > >    create mode 100644 libavfilter/opencl/gopromax.cl
> > > >    create mode 100644 libavfilter/vf_gopromax_opencl.c
> > > 
> > > The patchwork failed, but it was caused by opencl.c (not by this patch):
> > > 
> > > 	In file included from ./libavutil/common.h:48:0,
> > >                   from ./libavutil/avutil.h:301,
> > >                   from ./libavutil/opt.h:31,
> > >                   from libavdevice/sdl2.c:31:
> > > ./config.h:335:0: warning: 'HAVE_PTHREAD_SETNAME_NP' redefined
> > >   #define HAVE_PTHREAD_SETNAME_NP 0
> > > In file included from /usr/include/SDL2/SDL_stdinc.h:31:0,
> > >                   from /usr/include/SDL2/SDL_main.h:25,
> > >                   from /usr/include/SDL2/SDL.h:32,
> > >                   from libavdevice/sdl2.c:26:
> > > /usr/include/SDL2/SDL_config.h:186:0: note: this is the location of the previous definition
> > >   #define HAVE_PTHREAD_SETNAME_NP 1
> > > In file included from libavfilter/opencl.h:31:0,
> > >                   from libavfilter/opencl.c:26:
> > > ./libavutil/hwcontext_opencl.h:25:10: fatal error: CL/cl.h: No such file or directory
> > >   #include
> > >            ^~~~~~~~~
> > > compilation terminated.
> > > make: *** [libavfilter/opencl.o] Error 1
> > 
> > with this patch it fails here on ubuntu:
> > /usr/bin/ld: libavfilter/libavfilter.a(opencl.o): undefined reference to symbol 'clBuildProgram@@OPENCL_1.0'
> > /usr/bin/ld: /usr/local/cuda/targets/x86_64-linux/lib/libOpenCL.so.1: error adding symbols: DSO missing from command line
> > 
> > thx
> 
> I tested on Ubuntu 22.04, and it works fine.

My failure was on a 20.04

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If the United States is serious about tackling the national security threats 
related to an insecure 5G network, it needs to rethink the extent to which it
values corporate profits and government espionage over security.-Bruce Schneier

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