the hardware supposedly supports these paramaters. see: http://ivtv.sourceforge.net/firmware-api.html command 0x97
not sure if this has an associated ioctl or not. Check ivtvctrl. also, i had to do some digging to find that link. there's a spot for it in the wiki, but it isn't actually created. -tmk --- Andrew Lunn <[EMAIL PROTECTED]> wrote: > > Brendan Hoar wrote: > > > > >On Tue, 20 Sep 2005, Chris Kennedy wrote: > > > > > > > > >>Rolf Kistler wrote: > > >> > > >> > > >>>Hi all, > > >>> > > >>>We have used ivtv and two PVR-350 to > successfully to stream mpeg-2 > > >>>Video/Audio data over the network using on one > side the analog composite > > >>>input (camera) and on the other side the analog > composite output (TV > > >>>screen). As long as one wants to transport > surveillance data or a movie, > > >>>this solution just works fine. > > >>> > > >>>Now the problem is that if the task is to > control a camera or talk to > > >>>someone on the other end, the 2-3 seconds delay > in our system is too much. > > >>> > > >>> > > >>This is from it being compressed video, encoding > always will introduce a > > >>delay, in every encoding system out there. > > I would expect the delay to be determined my the > pattern of I, B and P > frames. I guess the minimum delay is that of between > two I frames. > What patterns of I, P and B does the PVR-350 use? > How often does it > repeat? Say it repeats after 10 frames. That 10/25 > of a second, where > as the original poster was talking about 2 to 3 > seconds. > > Is there any way to change the pattern of I, B and P > frames? > > Andrew > > > ------------------------------------------------------- > SF.Net email is sponsored by: > Tame your development challenges with Apache's > Geronimo App Server. > Download it for free - -and be entered to win a 42" > plasma tv or your very > own Sony(tm)PSP. Click here to play: > http://sourceforge.net/geronimo.php > _______________________________________________ > ivtv-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/ivtv-devel > ------------------------------------------------------- SF.Net email is sponsored by: Tame your development challenges with Apache's Geronimo App Server. Download it for free - -and be entered to win a 42" plasma tv or your very own Sony(tm)PSP. Click here to play: http://sourceforge.net/geronimo.php _______________________________________________ ivtv-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ivtv-devel
