GF_Box *st3d_box_new()
{
	ISOM_DECL_BOX_ALLOC(GF_Stereo3DBox, GF_ISOM_BOX_TYPE_ST3D);
	return (GF_Box *)tmp;
}
GF_Box *st3d_box_new()
{
	ISOM_DECL_BOX_ALLOC(GF_Stereo3DBox, GF_ISOM_BOX_TYPE_ST3D);
	return (GF_Box *)tmp;
}