Cannot compile Digikam 7.9.0.

The compilation of Digikam 7.9.0 aborts with the following error.

[ 17%] Building CXX object core/libs/threadimageio/CMakeFiles/
core_threadimageio_obj.dir/video/videodecoder_p.cpp.o 
*/usr/src/1066-digikam.7.9/digikam-7.9.0/core/libs/threadimageio/video/
videodecoder_p.cpp:* In member function ‘*bool Digika*
m::VideoDecoder::Private::initializeVideo()’: 
*/usr/src/1066-digikam.7.9/digikam-7.9.0/core/libs/threadimageio/video/
videodecoder_p.cpp:93:49:* *error: *invalid conversion
from ‘*const AVCodec**’ to ‘*AVCodec**’ [*-fpermissive*] 
  93 |     pVideoCodec           = *avcodec_find_decoder(pVideoCodecParameters-
>codec_id)*; 
     |                             *~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~* 
     |                                                 *|* 
     |                                                 *const AVCodec** 
make[2]: *** [core/libs/threadimageio/CMakeFiles/core_threadimageio_obj.dir/
build.make:440: core/libs/threadimageio/CMake
Files/core_threadimageio_obj.dir/video/videodecoder_p.cpp.o] Fehler 1 
make[1]: *** [CMakeFiles/Makefile2:8267: core/libs/threadimageio/CMakeFiles/
core_threadimageio_obj.dir/all] Fehler 2 
make: *** [Makefile:146: all] Fehler 2 *matthias@hannelore*:*/usr/src/1066-digikam.7.9/
digikam-7.9.0/build*


I am using a current Debian Sid 

with best regards from Dortmund Matthias