[linux-dvb] Questions on v4l-dvb driver instructions

Jonathan Coles jcoles0727 at rogers.com
Sun Sep 21 13:40:12 CEST 2008


Steven Toth wrote:
> Jonathan Coles wrote:
>> Perhaps I have some other misconfiguration in my system. With the 
>> wget command I must use the --no-proxy option. Otherwise, I get 
>> "Error parsing proxy URL http://:8080/: Invalid host name." Very 
>> strange that port 8080 is assumed when the standard port is 80.
>>
>> I couldn't find an equivalent no-proxy option for hg.
>>
>> Thanks.
>
> Please don't top-post, it's aainst to policy of the mailing list.
>
> See below.
>
>>
>> Owen Townend wrote:
>>> 2008/9/17 Jonathan Coles <jcoles0727 at rogers.com>:
>>>  
>>>> Your instructions at http://linuxtv.org/repo/ for obtaining v4l-dvb 
>>>> say
>>>> to execute:
>>>>
>>>> hg clone http://linuxtv.org/hg/v4l-dvb
>>>>
>>>> But this returns
>>>>
>>>> abort: error: Name or service not known
>>>>
>>>> Perhaps there is a mistake in the instructions.
>>>>     
>>> copy and pasting that line here works fine:
>>>
>>> % hg clone http://linuxtv.org/hg/v4l-dvb
>>> destination directory: v4l-dvb
>>> requesting all changes
>>> adding changesets
>>> ...etc
>>>
>>>  
>>>> It seems this checkout step is not really required, as you can 
>>>> download
>>>> the tarball from a link on the page at the URL.
>>>>     
>>> One advantage of using mercurial over the tarball is the ability to
>>> run `hg pull` and `hg update` rather than re download the entire set.
>>>
>>>  
>>>> I also find it confusing that you mention dvb-apps, but don't talk 
>>>> about
>>>> compiling it. Is it needed? Optional? An alternative?
>>>>     
>>> dvb-apps AFAIK are optional. I have not yet needed them in normal
>>> operation of a tuner card.
>>>
>>>  
>>>> Are there additional steps not presented here? I was unable to get my
>>>> Hauppage HVR-950 to work on Ubuntu 8.04. Does this package support 
>>>> that
>>>> device?
>>>>     
>>> Do you have the firmware for the device as well as the driver?
>>>
>>> On the mythtv-users list there was a success story using one of these
>>> tuners. It details how they got it working before going into issues
>>> using two of them:
>>> http://www.gossamer-threads.com/lists/mythtv/users/349205?search_string=HVR-950;#349205 
>>>
>>> He was using the mcentral repository, and Edgy but the steps are
>>> otherwise the same.
>>>
>>> Hope this helps,
>>> cheers,
>>> Owen.
>
> Read this, it will probably help :)
>
> http://www.selenic.com/mercurial/hgrc.5.html
>
> - Steve
I already have the man page for hg and hgrc. But, admittedly, I had only 
looked the one for hg.

Assuming the problem was proxy related, as with wget, I added a 
[http_proxy] section, with "no=linuxtv.org". That worked! Unfortunately, 
"no=*" does not work, so every Mercurial host I ever want to access will 
have to be added to the file.

I don't understand why I would use a proxy for downloads. If this is on 
one's own machine, what security is gained?

Overall, the Mercurial issues are just an unnecessary complication, and 
my real problem with v4l-dvb for the HVR-950 is probably something to do 
with loading firmware or kernel modules. Linux has come a long way in 
the five years or so that I have been using it. But, some things, like 
using an off-the-shelf USB device, can still prove impossibly complex 
for those of us who are not hard-core computer geeks.

Thanks for your help.




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