Build failure

[Maik Qualmann]

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/videothu
> 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:295:4
> 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/videoth
> 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