[ivtv-users] cx18: horizontal sync issue with analog composite 1 input
Tom Ryan
tomryan at camlaw.rutgers.edu
Tue Jul 28 20:30:37 CEST 2009
My answers are below..
On 7/23/09 8:28 PM, "Andy Walls" <awalls at radix.net> wrote:
> On Thu, 2009-07-23 at 17:19 -0400, Tom Ryan wrote:
>> > Well, it worked good for a day and then started sync issues again. We
>> > have narrowed the issue down to the particular device connected to the
>> > analog composite input (a sony SSC-DC374 camera). If we connect a vcr
>> > or a sony handycam to the cable, all is perfect. If we connect a tv
>> > (instead of the card) to the cable, the output from the SSC is
>> > perfect.
>> >
>> > The camera has an AGC (automatic gain correction) as well as a level
>> > adjustment. We have tried adjusting them to various levels and
>> > settings to no avail. (We have not worked the full gamut though :)
>> >
>> > Any ideas, an option to the module load, etc that we're missing???
>
> 1. What card are you using?
> 2. What driver version are you using?
>
> Driver name : cx18
> Card type : Hauppauge HVR-1600
> Bus info : PCI:0000:01:08.0
> Driver version: 66048
>
>
> 3. How did you "up the gain on the cards" before?
>
> -c cx23418 -s 0x104 0x1
>
> 4. What is the output of v4l2-ctl -d /dev/videoN --log-status when you
> don't have horizontal lock and when you do?
>
> no change
>
> 5. Do you have an oscilliscope to look at the video signal coming out
> from the SSC-DC374 to compare it with a known working video signal?
> (It'll take the guessing out of troubleshooting)
>
> I do not. The patch didn¹t help..
>
> in case this helps
>
I found a user with the similar issue with another hauppauge card.
http://www.videohelp.com/forum/archive/hsync-issue-on-composite-capture-pvr5
00-t334215.html?layout=0&layoutalign=Center
???????
Should I just get new cameras? Are there ones that people know will work???
:)
Thanks!
Tom
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