video.c:63:22: error: assignment discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]

Hello under latest ubuntu when i update guacamole from 1.4 to 1.5 when i write "sudo make" in guacamole-server i have this error:

ps: i have installed libavformat-dev and ffmpeg package

make[2]: Entering directory '/home/kpietrasiak/guacamole-server-1.5.0/src/guacd'
 /usr/bin/mkdir -p '/usr/bin'
  /bin/bash ../../libtool   --mode=install /usr/bin/install -c guacd '/usr/bin'
libtool: install: /usr/bin/install -c .libs/guacd /usr/bin/guacd
 /usr/bin/mkdir -p '/usr/share/man/man5'
 /usr/bin/install -c -m 644 man/guacd.conf.5 '/usr/share/man/man5'
 /usr/bin/mkdir -p '/usr/share/man/man8'
 /usr/bin/install -c -m 644 man/guacd.8 '/usr/share/man/man8'
 /usr/bin/mkdir -p '/usr/lib/systemd/system'
 /usr/bin/install -c -m 644 systemd/guacd.service '/usr/lib/systemd/system'
make[2]: Leaving directory '/home/kpietrasiak/guacamole-server-1.5.0/src/guacd'
make[1]: Leaving directory '/home/kpietrasiak/guacamole-server-1.5.0/src/guacd'
Making install in src/guacenc
make[1]: Entering directory '/home/kpietrasiak/guacamole-server-1.5.0/src/guacenc'
  CC       guacenc-video.o
video.c: In function ‘guacenc_video_alloc’:
video.c:63:22: error: assignment discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
   63 |     container_format = container_format_context->oformat;
      |                      ^
video.c:66:22: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
   66 |     AVCodec* codec = avcodec_find_encoder_by_name(codec_name);
      |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[1]: *** [Makefile:1126: guacenc-video.o] Error 1
make[1]: Leaving directory '/home/kpietrasiak/guacamole-server-1.5.0/src/guacenc'
make: *** [Makefile:544: install-recursive] Error 1