Add AAA code to meson

meson.build

@@ -31,6 +31,7 @@ lib_src = [
     'src/util.c',
     'src/parse.c',
     'src/pipeline.c',
+    'src/aaa.c',
 ]
 libmegapixels = shared_library('megapixels', lib_src,
     version: libmegapixels_so_version,