--- a/modules/demux/mp4/libmp4.c
+++ b/modules/demux/mp4/libmp4.c
@@ -3151,6 +3151,7 @@
     uint32_t i_type;
     int  (*MP4_ReadBox_function )( stream_t *p_stream, MP4_Box_t *p_box );
     void (*MP4_FreeBox_function )( MP4_Box_t *p_box );
+    uint32_t i_parent; /* set parent to restrict, duplicating if needed; 0 for any */
 } MP4_Box_Function [] =
 {
     /* Containers */
@@ -3418,6 +3419,11 @@
     /* Now search function to call */
     for( i_index = 0; ; i_index++ )
     {
+        if ( MP4_Box_Function[i_index].i_parent &&
+             p_box->p_father &&
+             p_box->p_father->i_type != MP4_Box_Function[i_index].i_parent )
+            continue;
+
         if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
             ( MP4_Box_Function[i_index].i_type == 0 ) )
         {
@@ -3460,6 +3460,11 @@ void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
     {
         for( i_index = 0; ; i_index++ )
         {
+            if ( MP4_Box_Function[i_index].i_parent &&
+                 p_box->p_father &&
+                 p_box->p_father->i_type != MP4_Box_Function[i_index].i_parent )
+                continue;
+
             if( ( MP4_Box_Function[i_index].i_type == p_box->i_type )||
                 ( MP4_Box_Function[i_index].i_type == 0 ) )
             {