> Ok. > > I'm currently working on the DirectFB v4l video provider and what it would > really need is syncing on every field. I suppose that when capturing the > fields to separate buffers that will happen. Sorry, no. bttv 0.8.x will happily put the fields into separate capture buffers. But the IRQ is raised once per frame, thus the application(s) will be waked up when both fields are finished. > However I would like to use > the overlay mode when possible to avoid copying stuff around. Can v4l2 > provide syncing in overlay mode? No. Gerd -- You can't please everybody. And usually if you _try_ to please everybody, the end result is one big mess. -- Linus Torvalds, 2002-04-20