Build failure

[Maik Qualmann]

Ok, I see that openSUSE has made a commit to revert the C-style cast fix for 
openSUSE Leap which is based on older libs.

https://lists.opensuse.org/archives/list/commit@lists.opensuse.org/message/
IXM352UO2YFDO56EL7ZNEG2URDAKFR5O/

Maik

Am Sonntag, 3. August 2025, 21:14:13 Mitteleuropäische Sommerzeit schrieb 
Andrew Goodbody:
> Thanks but still fails.
> 
> /home/ag/src/dk6/core/libs/threadimageio/video/videothumbdecoder_p.cpp:
> In member function ‘bool
> Digikam::VideoThumbDecoder::Private::processFilterGraph(AVFrame*, const
> AVFrame*, AVPixelFormat, int, int)’:
> /home/ag/src/dk6/core/libs/threadimageio/video/videothumbdecoder_p.cpp:297:1
> 9: error: invalid conversion from ‘uint8_t**’ {aka ‘unsigned char**’} to
> ‘const uint8_t**’ {aka ‘const unsigned char**’} [-fpermissive]
>    297 |                   static_cast<uint8_t**>(filterFrame->data),
> 
>        |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>        |                   
>        |                   uint8_t** {aka unsigned char**}
> 
> In file included from
> /home/ag/src/dk6/core/libs/threadimageio/video/videothumbdecoder_p.h:27,
>                   from
> /home/ag/src/dk6/core/libs/threadimageio/video/videothumbdecoder_p.cpp:17:
> /usr/include/x86_64-linux-gnu/libavutil/imgutils.h:154:35: note:
> initializing argument 3 of ‘void av_image_copy(uint8_t**, int*, const
> uint8_t**, const int*, AVPixelFormat, int, int)’
>    154 |                    const uint8_t *src_data[4], const int
> src_linesizes[4],
> 
>        |                    ~~~~~~~~~~~~~~~^~~~~~~~~~~
> 
> make[2]: ***
> [core/libs/threadimageio/CMakeFiles/core_threadimageio_obj.dir/build.make:42
> 6:
> core/libs/threadimageio/CMakeFiles/core_threadimageio_obj.dir/video/videoth
> umbdecoder_p.cpp.o] Error 1
> make[1]: *** [CMakeFiles/Makefile2:8861:
> core/libs/threadimageio/CMakeFiles/core_threadimageio_obj.dir/all] Error 2
> 
> On 03/08/2025 13:30, Maik Qualmann wrote:
> > Now try to compile digiKam from git/master.
> > 
> > Maik
> > 
> > Am Sonntag, 3. August 2025, 11:01:44 Mitteleuropäische Sommerzeit schrieb
> > 
> > Andrew Goodbody:
> >> Any idea what might be causing this build failure?
> >> 
> >> [ 10%] Building CXX object
> >> core/libs/threadimageio/CMakeFiles/core_threadimageio_obj.dir/video/video
> >> thu mbdecoder_p.cpp.o
> >> /home/ag/src/dk6/core/libs/threadimageio/video/videothumbdecoder_p.cpp:
> >> In
> >> member function ‘bool
> >> Digikam::VideoThumbDecoder::Private::processFilterGraph(AVFrame*, const
> >> AVFrame*, AVPixelFormat, int, int)’:
> >> /home/ag/src/dk6/core/libs/threadimageio/video/videothumbdecoder_p.cpp:29
> >> 5:4 5: error: invalid conversion from ‘uint8_t**’ {aka ‘unsigned char**’}
> >> to ‘const uint8_t**’ {aka ‘const unsigned char**’} [-fpermissive]
> >> 
> >>     295 |     av_image_copy(dst->data, dst->linesize,
> >> 
> >> reinterpret_cast<uint8_t**>(filterFrame->data), filterFrame->linesize,
> >> pixfmt, width, height);
> >> 
> >> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> 
> >>         |                                             uint8_t** {aka
> >> 
> >> unsigned char**}
> >> In file included from
> >> /home/ag/src/dk6/core/libs/threadimageio/video/videothumbdecoder_p.h:27,
> >> 
> >>                    from
> >> 
> >> /home/ag/src/dk6/core/libs/threadimageio/video/videothumbdecoder_p.cpp:17
> >> :
> >> /usr/include/x86_64-linux-gnu/libavutil/imgutils.h:154:35: note:
> >> initializing argument 3 of ‘void av_image_copy(uint8_t**, int*, const
> >> uint8_t**, const int*, AVPixelFormat, int, int)’
> >> 
> >>     154 |                    const uint8_t *src_data[4], const int
> >> 
> >> src_linesizes[4],
> >> 
> >>         |                    ~~~~~~~~~~~~~~~^~~~~~~~~~~
> >> 
> >> make[2]: ***
> >> [core/libs/threadimageio/CMakeFiles/core_threadimageio_obj.dir/build.make
> >> :42 6:
> >> core/libs/threadimageio/CMakeFiles/core_threadimageio_obj.dir/video/video
> >> th
> >> umbdecoder_p.cpp.o] Error 1
> >> make[1]: *** [CMakeFiles/Makefile2:8861:
> >> core/libs/threadimageio/CMakeFiles/core_threadimageio_obj.dir/all] Error
> >> 2
> >> make: *** [Makefile:146: all] Error 2
> >> 
> >> 
> >> $ gcc --version
> >> gcc (Debian 12.2.0-14+deb12u1) 12.2.0
> >> 
> >> 
> >> Thanks,
> >> Andrew