ffmpeg/lib/pkgconfig/libavdevice.pc

prefix=${pcfiledir}/../..
exec_prefix=${prefix}
libdir=${prefix}/lib
includedir=${prefix}/include

Name: libavdevice
Description: FFmpeg device handling library
Version: 61.4.100
Requires: 
Requires.private: libavfilter >= 10.6.101, libswscale >= 8.13.100, libpostproc >= 58.4.100, libavformat >= 61.9.104, libavcodec >= 61.31.100, libswresample >= 5.4.100, libavutil >= 59.54.101
Conflicts:
Libs: -L${libdir}  -lavdevice 
Cflags: -I${includedir}