ffmpeg/lib/pkgconfig/libavformat.pc

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

Name: libavformat
Description: FFmpeg container format library
Version: 61.9.104
Requires: 
Requires.private: libavcodec >= 61.31.100, libswresample >= 5.4.100, libavutil >= 59.54.101
Conflicts:
Libs: -L${libdir}  -lavformat 
Cflags: -I${includedir}