Build failure for latest release v1.12.0

[Nomen-Luni]

Hi,

I'm trying to build the latest release using the Linux / Ubuntu commands at
When I enter the line ./rebuild -jnproc`` it throws the following error trying to build mkv:

FAILED: libmpv.so.2.5.0.p/demux_demux_mkv.c.o 
cc -Ilibmpv.so.2.5.0.p -I. -I.. -I../include -Icommon -Ietc -Iplayer/javascript -Iplayer/lua -Isub -Ivideo/out -I/mnt/Data/Computing/Programming/Code/jmp/mpv-build/build_libs/include -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/sysprof-6 -I/usr/include/fribidi -I/usr/include/x86_64-linux-gnu -I/usr/include/uchardet -fvisibility=hidden -fdiagnostics-color=always -Wall -Winvalid-pch -Wextra -std=c11 -O3 -D_FILE_OFFSET_BITS=64 -Wdisabled-optimization -Wempty-body -Wformat -Wimplicit-fallthrough -Wparentheses -Wpointer-arith -Wshadow -Wundef -Wvla -Wno-cast-function-type -Wno-format-zero-length -Wno-missing-field-initializers -Wno-sign-compare -Wno-switch -Wno-unused-parameter -fno-math-errno -fno-signed-zeros -fno-trapping-math -Werror=format-security -Wno-unused-result -D_GNU_SOURCE -Wmissing-prototypes -Wstrict-prototypes -Werror=implicit-function-declaration -Wno-pointer-sign -fPIC -D_REENTRANT -pthread -DPL_HAVE_PTHREAD -DPTHREAD_HAS_SETCLOCK -DPL_STATIC -MD -MQ libmpv.so.2.5.0.p/demux_demux_mkv.c.o -MF libmpv.so.2.5.0.p/demux_demux_mkv.c.o.d -o libmpv.so.2.5.0.p/demux_demux_mkv.c.o -c ../demux/demux_mkv.c
../demux/demux_mkv.c: In function 'demux_mkv_open_sub':
../demux/demux_mkv.c:2203:32: error: 'FF_PROFILE_ARIB_PROFILE_A' undeclared (first use in this function); did you mean 'AV_PROFILE_ARIB_PROFILE_A'?
 2203 |                 lav->profile = FF_PROFILE_ARIB_PROFILE_A;
      |                                ^~~~~~~~~~~~~~~~~~~~~~~~~
      |                                AV_PROFILE_ARIB_PROFILE_A
../demux/demux_mkv.c:2203:32: note: each undeclared identifier is reported only once for each function it appears in
../demux/demux_mkv.c:2209:32: error: 'FF_PROFILE_ARIB_PROFILE_C' undeclared (first use in this function); did you mean 'AV_PROFILE_ARIB_PROFILE_C'?
 2209 |                 lav->profile = FF_PROFILE_ARIB_PROFILE_C;
      |                                ^~~~~~~~~~~~~~~~~~~~~~~~~
      |                                AV_PROFILE_ARIB_PROFILE_C
../demux/demux_mkv.c:2212:29: error: 'FF_PROFILE_UNKNOWN' undeclared (first use in this function); did you mean 'AV_PROFILE_UNKNOWN'?
 2212 |         if (lav->profile == FF_PROFILE_UNKNOWN)
      |                             ^~~~~~~~~~~~~~~~~~
      |                             AV_PROFILE_UNKNOWN
[160/298] Compiling C object libmpv.so.2.5.0.p/options_m_option.c.o
ninja: build stopped: subcommand failed.

Anyone got any ideas how to solve this? This is on Kubuntu 25.04.