mlt_service mlt_field_service( mlt_field this )
{
- return mlt_tractor_service( this->tractor );
+ return this != NULL ? mlt_tractor_service( this->tractor ) : NULL;
}
/** Get the multi track.
mlt_multitrack mlt_field_multitrack( mlt_field this )
{
- return this->multitrack;
+ return this != NULL ? this->multitrack : NULL;
}
/** Get the tractor.
mlt_tractor mlt_field_tractor( mlt_field this )
{
- return this->tractor;
+ return this != NULL ? this->tractor : NULL;
}
/** Get the properties associated to this field.