One more issue: my MythTV box doesn't seem to change channels when
doing a scheduled recording (it uses the last channel watched), but it
is capable of changing channels just fine with live TV. Strange...
--Winston
On Mar 6, 2005, at 2:21 AM, Winston Chang wrote:
I looked into my PVR-500MCE tuning problems a little more and played
around with tuner.c to make my card tune properly. It turns out that
the tuning wasn't just a bit off -- it was approximately a whole
channel off.
In tuner.c, I modified the last line of the function
static void set_tv_freq(struct i2c_client *c, unsigned int freq)
from this:
t->tv_freq(c,freq);
to this:
t->tv_freq(c,freq + 104);
The "+ 104" is a correction factor I added to make it tune to the
correct frequency. 104 * 1/16 MHz = 6.5MHz. In other words, when I
tell the card to tune to a particular frequency, it tunes 6.5MHz too
low.
The hack is serving for now, but it's obviously not a good solution.
Does anyone else have this problem? Any ideas about why the tuning is
offset?
--Winston
<messages.txt.gz>
On Mar 2, 2005, at 11:07 PM, Winston Chang wrote:
Well, my PVR-500MCE (NTSC) is working with 0.3.2f + Jarod's tuner
update patch. The only issue now is that the tuning seems slightly
off.
Suppose I tune into channel 10; 'ivtvctl -R' tells me that this is
frequency 3096. It comes in black and white until I push the
frequency up a little bit, like up to 3100 or so. Then it looks
great. It's almost there!
--Winston
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