newbie problem with SAP on a avermedia card and info on v4l2

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hello all,

i'm a v4l newbie, i bought an avermedia TV Stereo card (i did some research to make sure it was supported by bttv) and i have been mostly satisfied with the performance of v4l. this is my first post, and i've got two questions. i'm currently using zapping as my tv viewer and i use NVrec to record. both work fine with the v4l driver, but support v4l2. i was wondering how hard it is to install the v4l2 drivers and get bttv2 up and working? and what are some of the advantages/disadvantages of moving to v4l2.

my second, higher priority question, is specific to my tv tuner(or at least i think it is) its supposed to support dbx stereo, which it appears to fine in zapping and NVrec, the problem i have is if a channel is transmitting SAP i only here the SAP audio. this is really annoying b/c my local news on NBC is broadcast in both spanish and english, and all i can get is the spanish version, i'm getting better at understanding the weather in spanish, but a human interest special on the worlds largest ant farm might throw me off. its not only nbc that does it, but it appears to happen with almost every program that has a SAP broadcast. i'm not for sure, b/c i don't have a tv that uses SAP, but from what i can tell its most if not all of them. is this a issue with the stereo decoder on the tv tuner or with the bttv driver? or with v4l itself, i'm really at a loss to fix it, i've searched on the web and the zapping mailing list pointed me here, i even searched through all the archives of this mailing list (all 24mb!!) and only found a couple of people reporting that same problem, but no solution for it. thanks for the great v4l drivers. hope someone has run into the same problem and found a fix.


thanks,
douglas mcmorris

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