#and search the path which contain the libname/header.h (usefull for new version)
#Then we need to include ${FFMPEG_libname_INCLUDE_DIRS} (in old version case, use by ffmpeg header and osg plugin code)
-# (in new version case, use by ffmpeg header)
+# (in new version case, use by ffmpeg header)
#and ${FFMPEG_libname_INCLUDE_DIRS/libname} (in new version case, use by osg plugin code)