On Tue, Jan 07, 2003 at 10:01:10AM +0100, Peter Bienstman wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi Marius, > > I have the same card and I too have been looking at that particular piece of > code. I also think that's the problem. I even downloaded that data sheet and > played with the idea of implementing this. For radio, it seems like the spurcheck isn't nessecary, but it is probably sometimes needed for TV, so this might be the reason why you see better picture with pinnacles driver. BTW: I don't think it is so much work to implement it, as the algoritm is clearly specified in the datasheet. > > BTW, I tried radio under XP, and it doesn't work well either. It works with my card under w2k. You could try with some 3-party drivers / applications. > > Incidentally, did you try watching TV under Windows with this card? > Unfortunately, the image quality is a lot better under XP, I havent't seen much difference, but that could be caused by different frequencies in norwegian channels, and of your channels. > even after trying > all sorts of interlacing and filtering options under Linux (mplayer, > timefortv,...). Do you have the same experience? Which drivers settings and > TV software do you use? I just user tuner=33, and use zapping most (overlay mode). > > Cheers, > > Peter > > On Tuesday 07 January 2003 01:46, Marius Kotsbak wrote: > > I have started reviewing the code in tuner.c to find why the radio on > > PCTV PRO with MT2030-tuner isn't working. > > > > First I need to know if it has worked well before? > > > > I have found one possible error source, and that is the spurcheck, which > > is as I can see missing. The mt2032_spurcheck() just print some > > debug-information, but never touch other than local variables, don't > > talk to any hardware, and always return 1. Where it is called, it is > > commented "should recalcuulate lo1...". > > > > What I am not sure of is if this is necessary for radio tuning. In the > > datasheet it is noted that the spur removal isn't required for north > > Ameracan FM, which seems to have the same range as the norwegian (which > > doesn't work well). > > > > Does anyone (particulary the driver authors) know any other part of the > > code I can search for errors? The symtoms as I have said is that the > > tuning of radio is bad, som I can only hear sound some seconds before it > > turns the sound off. Sound might come back later automatically and > > last for some seconds. > > > > Marius K > > - -- > - ------------------------------------------------ > Peter Bienstman > Ghent University, Dep. of Information Technology > Sint-Pietersnieuwstraat 41, B-9000 Gent, Belgium > tel: +32 9 264 34 45, fax: +32 9 264 35 93 > email: Peter.Bienstman@xxxxxxxxx > - ------------------------------------------------ > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.2.1 (GNU/Linux) > > iD8DBQE+GpdZ4dgPAIjyquoRAqPpAKDevDaEVSeiu0fSp+p27yMiO+zHcACfVBq0 > yGIl4Vq96CbWTnkFsnNXCEw= > =FUQ2 > -----END PGP SIGNATURE-----
