[ivtv-users] HVR-1800, NTSC and raw cable feed.
Mark Jenks
mjenks1968 at gmail.com
Sat Feb 14 03:09:16 CET 2009
On Thu, Feb 12, 2009 at 7:20 AM, Josh Borke <joshborke at gmail.com> wrote:
> Mark Jenks wrote:
>> Hello all,
>>
>> I am trying to connect a HVR-1800 directly to the cable from the cable
>> company without a STB. I have it plugged into the TV port of the
>> card, since I want to capture the analog signals.
>>
>> I have the latest mercurial drivers loaded and have the /dev/video
>> showing up and no errors that I can see. If I move the cable over to
>> ATSC and scan for QAM, I find a few channels, but nothing like I would
>> get if I plugged it right into a TV without a cablebox.
>>
>> The problem is, I can't seem to capture anything but a black screen on
>> it. Maybe I am doing something wrong, since I don't seem to have a
>> ivtv-tune command anywhere?
>>
>> I tried to cat /dev/video1 > test.mpg and didn't get anything. If I
>> run v4lcrl -c /dev/video1 setnorm or setstation I don't get any
>> errors. Even v4l-info /dev/video1 doesn't show any problems that I
>> can see.
>>
>> v4lctl -c /dev/video1 list
>> attribute | type | current | default | comment
>> -----------+--------+---------+---------+-------------------------------------
>> norm | choice | NTSC-M- | NTSC-M | NTSC-M NTSC-M-JP NTSC-443
>> PAL-BG PAL-I PAL-DK PAL-M PAL-N PAL-Nc PAL-60 SECAM-DK SECAM-L
>> input | choice | Televis | Televis | Television Composite1 S-Video
>> audio mode | choice | mono | mono | mono stereo lang1 lang2
>> bright | int | 146 | 127 | range is 0 => 255
>> contrast | int | 62 | 63 | range is 0 => 255
>> color | int | 65 | 127 | range is 0 => 255
>> hue | int | 0 | 127 | range is 0 => 255
>> volume | int | 60928 | 63 | range is 0 => 63
>> mute | bool | off | on |
>>
>>
>> What am I missing? It must be something basic?
>>
>> Thanks!
>>
>> -Mark
>>
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>> ivtv-users at ivtvdriver.org
>> http://ivtvdriver.org/mailman/listinfo/ivtv-users
>>
> Take what I have with a grain of salt because I'm still new at video
> devices in linux but, I have a HVR-1800 and this is what I know:
>
> 1) The HVR-1800 does not use the ivtv drivers so this isn't the correct
> list (I think).
> 2) In order for me to get anything out of my HVR-1800 I have to tune the
> analog video (/dev/video0) and then cat the mpeg video (/dev/video1).
> So, I either open tvtime and tune that way or use '$ v42-ctl -f
> <frequency> -d /dev/video0' and then cat /dev/video1
>
> I hope this helps.
> -josh
>
This isn't working for me. Maybe I'm missing something. dmesg is
showing a firmware error when I try to do this, but when the driver
loads, it doesn't have the error.
-Mark
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