On Fri, 5 Jan 2007 10:02:44 +0100 Hans Verkuil <[EMAIL PROTECTED]> wrote:
> On Thursday 04 January 2007 15:54, Matthew Wilcox wrote: > > On Sat, Dec 30, 2006 at 11:14:05AM +0100, Hans Verkuil wrote: > > > If you're using MythTV then make sure you are recording at full > > > resolution (720x480). Recording at full resolution gives you better > > > quality and no ghosting. > > > > Yes, that did the trick. Thanks! I was concerned that this would > > increase the size of recordings, but it remained steady at around > > 600k/s. Is MPEG-2 a fixed bitrate encoding? > > It's the bitrate setting that determines the file size, not the chosen > resolution. > > > > > I wonder where to document this so others don't get burned by this > > problem? > > I think it is in the FAQ on the ivtvdriver.org site. > > > > > > An alternative might be to turn off the temporal filter altogether > > > (no idea if that makes a difference). There is a > > > temporal_filter_mode control (from memory, the name might be > > > different) that you can set to 'off' or something similar. If that > > > works, then please let me know. > > > > I haven't tried this yet ... are you still interested given the first > > suggestion worked? > > Yes, I'd appreciate it if you could test it. > This definitely made my image "crisper", especially during motion. ivtvctl -c dnr_temporal=0 -d /dev/video0 Not sure if newer drivers implement the same functionality / command structure. > Thanks, > > Hans > _______________________________________________ ivtv-devel mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-devel
