On Jan 22, 2008 1:45 PM, Barry Quiel <quielb@xxxxxxxxxxxxxxxxx> wrote: > > > > Chaogui Zhang wrote: > > On Jan 22, 2008 5:38 PM, Barry Quiel <quielb@xxxxxxxxxxxxxxxxx> wrote: > > [snip] > >> So I spoke a bit too soon. For whatever reason it started working in > >> Myth, although I still can't get a good cat /dev/video1. BUt I can't > >> change the channel. When I try and change the channel Mythfrontend > >> reports an error and the exits back to the menu. When I go back into > >> livetv it is on the same original channel and there is no audio. If I > >> exit out and go back in I get audio back, but still can;t change the > >> channel. > >> > > > > Although I don't have the HVR1800... > > > > In my experience, it is generally easier to test a new driver if you > > use simpler applications such as tvtime, azap/dvbscan. These programs > > will tell you pretty quickly whether the device and its driver are > > working properly or not. Once you are sure the drivers are working > > properly, then move on to your favorite media center or any other > > program. > > > > Trying to test device driver with MythTV sometimes muddles the water > > too much and you won't know whether it is a problem with the driver or > > the application. > > > > I don't think a cat /dev/video1 can get much simpler. But in this case > I am getting results that would appear to be reversed. The simpler > testing method is giving poor results, while the more complex > application is giving better results, although not 100%. > Is the device properly initialized by the driver when you did "cat /dev/video1"? Is it tuned to the right channel/frequency/source input? "cat /dev/video1" itself lacks the ability to control the device and therefore you won't be able to test the driver's ability to change channels, for example, without relying on another application. -- Chaogui Zhang _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb