On Fri, Jan 21, 2011 at 10:50:42PM +0100, Clément Bœsch wrote: > Ok, changed by passing the vo_vobsub instance (I can't make the function > return it because of the error handling). You'll have to explain that. I only see you use 0 and -1, so why can't you return a vo_vobsub or NULL respectively?