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

Name: libavformat
Description: FFmpeg container format library
Version: 56.40.101
Requires: 
Requires.private: libavcodec >= 56.60.100, libswresample >= 1.2.101, libavutil >= 54.31.100
Conflicts:
Libs: -L${libdir}  -lavformat 
Libs.private: -lm -lz -lpsapi -ladvapi32 -lshell32
Cflags: -I${includedir}