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PostPosted: Thu Jan 03, 2013 2:02 am 
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Joined: Tue Aug 15, 2006 11:14 am
Posts: 1343
Location: Orlando FL
EDIT:: I'm a moron I forgot that I had to manually address the card as "/dev/video0" in MythTV setup
I'm leaving this here for historical purposes but otherwise please ignore the rest of my ramblings.

This should have been a really simple project. I have analog cable again so I take my Pinnacle PCTV 800i ( conextant cx23880) that worked the last time I had analog cable and I hook it up to the line. The hard part should have been climbing behind the TV and moving wires from the Antenna to my PCTV card and hooking up the cable line. I know this card works in Hybrid mode (analog cable and ATSC/QAM) because I used it that way for several years. Now when I try to install the card in mythtv-setup I can see the DVB (ATSC/QAM) card to install but I don't see the V4L card to install. Every where I look it says that this card is supported in kernels older than ours I tried installing V4L-dvb with pacman and checked to make sure the firmware was there.

I'm stuck.
Again.
help me,
please.

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Last edited by mattbatt on Fri Jan 04, 2013 1:25 am, edited 2 times in total.


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PostPosted: Thu Jan 03, 2013 8:47 am 
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Joined: Fri Jul 21, 2006 11:12 pm
Posts: 1194
Location: SC
If I remember right this is the PCI version of the 950Q. I had the 950Q working in mythtv .24 but .25 broke something for hybrid cards and haven't been able to get the 950Q to work in mythtv .25.


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PostPosted: Thu Jan 03, 2013 9:11 am 
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Joined: Tue Aug 15, 2006 11:14 am
Posts: 1343
Location: Orlando FL
Oh now I feel less crazy.

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PostPosted: Thu Jan 03, 2013 3:12 pm 
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Joined: Tue Aug 15, 2006 11:14 am
Posts: 1343
Location: Orlando FL
So I have been searching around. There seems to be a fair majority of people having problems with V4L cards after the kernel update
Quote:
The 2.6.38 kernel removed the V4L1
ioctls, and more importantly the V4L1 headers which MythTV used to fall
back on with old tuners that had not yet been updated to the V4L2 interface.
http://www.gossamer-threads.com/lists/m ... ers/481095
7.4 appears to be on 2.6.39
Even this other thread seems to be having the same issues viewtopic.php?f=22&t=23665 .
I found this patch for .24 but I can not find a patch for .25 http://code.mythtv.org/trac/ticket/9789 I'm wary of botching my system.

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PostPosted: Thu Jan 03, 2013 5:03 pm 
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Joined: Fri Jul 21, 2006 11:12 pm
Posts: 1194
Location: SC
That is a different issue than the the hybrid card issue. That issue was fixed in .24-fixes. V4L in the 950Q worked with LH's 2.6.39 kernel and .24-fixes great.


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PostPosted: Thu Jan 03, 2013 6:00 pm 
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Location: Orlando FL
Damn!

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PostPosted: Fri Jan 04, 2013 1:25 am 
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Location: Orlando FL
I'm a moron I forgot that I had to manually address the card as "/dev/video0" in MythTV setup

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PostPosted: Mon Apr 01, 2013 8:28 pm 
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I've recently switched over to cable TV and decided to setup my old 800i card and mythtv setup. I successfully got everything working but I was wondering if any of you are having analog problems with video quality? The analog cable channels are poor quality through my tuner and mythtv but they look great straight thru the TV. I also end up with 1-hour long recordings at nearly 5Gb. The DVB side of the card is wonderful and I see a crystal clear HD picture. Any ideas on a problem or is this just a bad tuner for analog?


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PostPosted: Mon Apr 01, 2013 9:56 pm 
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Location: Orlando FL
your video recording settings are set to jpeg video. I had the same problem with file size. and mtthtv still defaults to an absurdly low 240 x 240 for analog recordings. I can't remember the exact path but its mythtv settings recording profiles I think.

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PostPosted: Tue Apr 02, 2013 9:34 am 
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Joined: Mon Apr 10, 2006 3:48 pm
Posts: 997
Location: Lexington, Ky
Just wondering what settings you ended up using?

Thanks


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PostPosted: Tue Apr 02, 2013 12:23 pm 
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Joined: Mon Apr 01, 2013 8:21 pm
Posts: 2
Mattbatt,
Thanks for the tip. I did switch all of my encoding to mpeg4 instead of that jpeg video and that helped my file sizes. But I can't figure out the resolution stuff. I found a setting under Recording Profiles-Software Encoders (v4l based) and it only let's me max out the Height at the default 480 but the width will go up to 720 but its still a bad picture with the width that low. Is it possible to change a setting and allow higher than 480?
Thanks again.


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PostPosted: Tue Apr 02, 2013 8:49 pm 
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Joined: Tue Aug 15, 2006 11:14 am
Posts: 1343
Location: Orlando FL
2 things
First: Standard Def maxes out at 640x480
Second: Analog Cable just looks bad. I'm not sure if it's because of interference on the line from all of the digital signals that they have shoved down the Coax or if it has always looked that bad and WE have gotten used to clean Digital cable (max 720x480) and then Higher Resolution HDTV? I think we just notice it more now because we big TVs that make the analog noise really big.
Third: Analog Cable is more susceptible to noise interference and a computer is an incredibly noisy RF environment.
Fourth: No one ever expects the Spanish Inquisition http://youtu.be/Ixgc_FGam3s?t=4s

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