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 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

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

If you fake or manipulate statistics in a paper in physics you will never
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