[mythtv-users] No sound from PVR-500 Tuner, working with Line In
perveilerj at yahoo.com
Wed Jun 22 17:43:53 UTC 2005
I had a similar, but different problem. I had both video tuners working, but
would only capture sound on the first tuner for some reason. Doh!
Anyways, I more or less followed this guide:
It's a little bit dated, but still very helpful. At first I followed the
directions but instead of using the ivtv version 0.3.5f drivers I used a newer
one (I don't remember which). This resulted in the no-sound-on-tuner-2 problem
(I can't remember what exactly the problem was, but I BELIEVE it had something
to do with firmware not being loaded properly). I then started over using
0.3.5f and I haven't had much trouble since then.
--- Stefan Wrobel <swrobel at gmail.com> wrote:
> I'm totally stumped on this one, I spent a few hours on it last night and I
> just can't get sound from the tuner. Here's the situation.
> I'm using a PVR-500 and I've only gotten /dev/video0 working. The second
> tuner seems to be detected in my dmesg, but /dev/video1 is not working like
> it should and ivtvctl -d /dev/video1 -a shows really strange negative values
> for brightness, contrast, etc. Just thought I'd throw that in there, but
> that's only the beginning of my problems. I want to get sound working before
> I worry about having both tuners.
> I've captured stuff using the s-video input and the line in, and I can get a
> video file with sound using cat /dev/video0 > test.mpg (and tested in Myth
> as well, it captures video, no audio). I think I did ivtvctl -p 0 -q 2 for
> that. However, using ivtvctl -p 6 (or 7, i've tried both) -q 0 (i've tried
> the other -q values as well, but -q 0 should be tuner audio), I get a
> perfect video file from whatever channel I'm tuned to, but no sound. I
> assume the line in and tuner both use the same audio encoder, so I don't get
> why I wouldn't be getting any sound from one but not the other! I think that
> also rules out modules being loaded improperly, etc.
> Does anyone have any experience with this? I'm pulling my hair out at this
> point. I'm using ivtv version 0.3.6m. Thanks!
> > _______________________________________________
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