On Mittwoch, 11. Juni 2008, Herbert Poetzl wrote: > Greetings! > > I would like to 'improve' (or simply extend) > the SVDRP Grab command to allow for grabbing > a picture from a given channel, if possible, > without disturbing normal operations > > basic idea: > > get a device which is capable of tuning > the specified channel (optionally shared > transponder) > > tune to the channel/stream, and wait until > data is available (or some timeout has been > reached) > > grab a screenshot (similar to current grab) > > > now, what I tried so far is the following > (with little success :) > As far as I know, the grab command does grab of the primary device. For a ff card this is done by accessing /dev/video. For what you want you need a different approach - you need to receive some data and run a software mpeg2 decoder over it - then you get a picture without disturbing current operation. Matthias _______________________________________________ vdr mailing list vdr@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr