prefix=/usr/local
exec_prefix=${prefix}
libdir=${prefix}/lib
includedir=${prefix}/include

Name: libpostproc
Description: FFmpeg postprocessing library
Version: 52.3.100
Requires: 
Requires.private: libavutil = 52.59.100
Conflicts:
Libs: -L${libdir}  -lpostproc 
Libs.private: 
Cflags: -I${includedir}