mlt_properties_set_int( properties, "sample_aspect_den", profile->sample_aspect_den );
mlt_properties_set_double( properties, "display_ratio", mlt_profile_dar( profile ) );
mlt_properties_set_int( properties, "display_aspect_num", profile->display_aspect_num );
mlt_properties_set_int( properties, "sample_aspect_den", profile->sample_aspect_den );
mlt_properties_set_double( properties, "display_ratio", mlt_profile_dar( profile ) );
mlt_properties_set_int( properties, "display_aspect_num", profile->display_aspect_num );