diff -up gpac-2.4.0/applications/mp4box/filedump.c.orig gpac-2.4.0/applications/mp4box/filedump.c
--- gpac-2.4.0/applications/mp4box/filedump.c.orig	2024-04-17 19:18:21.000000000 +0200
+++ gpac-2.4.0/applications/mp4box/filedump.c	2024-06-14 16:56:26.604280609 +0200
@@ -61,7 +61,7 @@
 #ifndef GPAC_DISABLE_SWF_IMPORT
 extern u32 swf_flags;
 #endif
-extern Float swf_flatten_angle;
+extern Double swf_flatten_angle;
 extern GF_FileType get_file_type_by_ext(char *inName);
 extern u32 fs_dump_flags;
 extern Bool dump_check_xml;
diff -up gpac-2.4.0/applications/mp4box/fileimport.c.orig gpac-2.4.0/applications/mp4box/fileimport.c
--- gpac-2.4.0/applications/mp4box/fileimport.c.orig	2024-04-17 19:18:21.000000000 +0200
+++ gpac-2.4.0/applications/mp4box/fileimport.c	2024-06-14 23:22:16.652880898 +0200
@@ -107,7 +107,7 @@ GF_Err set_file_udta(GF_ISOFile *dest, u
 extern u32 swf_flags;
 #endif
 
-extern Float swf_flatten_angle;
+extern Double swf_flatten_angle;
 extern Bool keep_sys_tracks;
 extern u32 fs_dump_flags;