[Cin] opencv potential fix?

[Andrew Randrianasulu]

strange, it still errs out in jpeg2000 file..


/home/paz/cinelerra5/cinelerra-5.1/thirdparty/opencv/modules/imgcodecs/src/grfmt_jpeg2000.cpp:
In member function ‘
/home/paz/cinelerra5/cinelerra-5.1/thirdparty/opencv/modules/imgcodecs/src/grfmt_jpeg2000.cpp:381:48:
error: lvalue
  381 | jas_seqent_t* pix_row = &jas_matrix_get( buffer, y / ystep, 0 );
      | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
/home/paz/cinelerra5/cinelerra-5.1/thirdparty/opencv/modules/imgcodecs/src/grfmt_jpeg2000.cpp:
In member function ‘
/home/paz/cinelerra5/cinelerra-5.1/thirdparty/opencv/modules/imgcodecs/src/grfmt_jpeg2000.cpp:447:48:
error: lvalue
  447 | jas_seqent_t* pix_row = &jas_matrix_get( buffer, y / ystep, 0 );
      | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
make[5]: ***
[modules/imgcodecs/CMakeFiles/opencv_imgcodecs.dir/build.make:202:
modules/imgcodecs/CMakeFiles/opencv
make[5]: *** Attesa per i processi non terminati....


===

from configuration summary it still find/use jasper lib 2.0.33..

-- Media I/O: -- ZLib: /lib64/libz.so (ver 1.2.12)
-- JPEG: /lib64/libjpeg.so (ver 80)
 -- WEBP: /lib64/libwebp.so (ver encoder: 0x0
-- PNG: /lib64/libpng.so (ver 1.6.37)
 -- TIFF: /lib64/libtiff.so (ver 42 / 4.3.0)
-- JPEG 2000: /lib64/libjasper.so (ver 2.0.33)
 -- OpenEXR: build (ver 2.3.0)
-- HDR: YES
 -- SUNRASTER: YES
-- PXM: YES
-- PFM: YES
--
====

so I guess my fix not working..

but I see you use opencv 4.2.0 - I think I used another tarball from cingg
website? with version 3.... need to check.

On Monday, May 2, 2022, Andrew Randrianasulu <randrianasulu at gmail.com>
wrote:

> try to  patch cingg like this:
>
> diff --git a/cinelerra-5.1/opencv_build b/cinelerra-5.1/opencv_build
> index 7be18228..49056989 100644
> --- a/cinelerra-5.1/opencv_build
> +++ b/cinelerra-5.1/opencv_build
> @@ -105,6 +105,7 @@ $(opencv)/build: $(opencv).src
>    -DWITH_IPP=OFF \
>    -DWITH_LAPACK=OFF \
>    -DWITH_GPHOTO2=OFF \
> + -DWITH_JASPER=OFF \
>    -DBUILD_SHARED_LIBS=ON \
>    -DINSTALL_C_EXAMPLES=ON \
>    -DINSTALL_PYTHON_EXAMPLES=ON \
> $
>
> and see if opencv build proceed to  actually 100% mark w/o errors.
>
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