[linux-dvb] Testing HVR1800

Barry Quiel quielb at ecst.csuchico.edu
Tue Jan 22 08:52:01 CET 2008


Steven Toth wrote:
> Barry Quiel wrote:
>> I'm testing the HVR1800 driver (analog portion) out of 
>> hg/~stoth/cx23885-video and am getting the following error in the 
>> message log:
>>
>> kernel: cx25840' 4-0044: unable to open firmware v4l-cx23885-avcore-01.fw
>>
>> Which makes sense because I can't find that file anywhere on my 
>> system.   It also isn't included in truck or ~stoth/cx23885-video 
>> repositories.
> 
> http://steventoth.net/linux/hvr1800/
> 
> - Steve


So I've been trying to test the analog part of this card and its not 
going well.  That's not to say that the driver doesn't work, I'm sure 
its something I trying to do.  The DVB portion is working fine.  I'm 
trying to test using MythTV.

First off the driver is creating 2 video devices in /dev.  I'm guessing 
that one of them is the analog card with MPEG2 encoder support and the 
other is just a the frame grabber.  When I select /dev/video1 ( I used 
ivtv_first_minor to move off the PVR500 /dev links ) in the MythTV setup 
it recognizes the card ( probes correctly ) and shows me what my inputs 
are to select from.  I chose Television ( vs s-video etc ).  When I 
attempt to watch LiveTV it just never starts.  Actually it does start, 
and then exits back to the menu.  The frontend doesn't see a recording 
file being generated.

I can cat /dev/video1 to a file and get audio and video.  But the video 
is super dark.  I can barely make out any shapes.  But the audio is fine.


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