Gerd Knorr (kraxel@xxxxxxxxxxx): > Trevor Boicey <tboicey@xxxxxxx> writes: > > > Is there a simple programmatic way to retreive data from /dev/vbi > > regardless of what is happening on /dev/video? > > It just works ... Are you sure about this? Using the bttv driver in 2.4.19 in tvtime I get the next video frame then read() from /dev/vbi to get the associated VBI frame (yes I know this will be nice and sync'ed in V4L2 but one must support one's users :) and anyway, if I do the read() at the wrong place it ends up blocking forever. Is this a bug? I thought it was just part of the doing-both-in-one-thread thing. There are other cases where doing a read() on the VBI at the wrong time while capturing is going on will cause it to block forever. -- Billy Biggs vektor@xxxxxxxxxxxx
