[mythtv-users] ATSC-110 - Cannot load saa1734-dvb

Praveen Shenoy mythuser at comcast.net
Fri Jan 12 18:12:08 UTC 2007


Thanks Jake. I have been following the wiki to build a channels.conf  
and import that into myth. Mixed luck so far. The script on the wiki  
does not seem to be helping in scanning the channels. I have to do it  
manually. So, far I have been successful in tuning into the local  
broadcast HD channels. I have a question since you said you are also  
running a PVR-150.
Here is what I want to do:
I already have a machine with PVR-350 working. I don't have a HD TV  
yet, I have a Mac cinema display on which I can watch the HD  
recordings. So, I want to use the ATSC-110 in the second machine to  
be able to record the SD channels, in other words, use the ATSC-110  
as a second tuner and watch the recordings thru the PVR-350 and also  
be able to record HD using the ATSC-110. Maybe I can run a second  
myth frontend if its available on Mac to watch the HD recordings on  
my Mac cinema display. Is that something that can be done? Will I  
have to configure two cable sources in mythtv, one using the dvb  
driver and the other V4L both having their own lineups? If I have 2  
lineups, how will they appear in the program guide while scheduling a  
recording? Any tips would be really helpful.

Thanks
Praveen

If I want the SD channels beyond the local broadcast or to be able to  
record the local broadcast SD channels, (well not simultaneously.   
and be able to watch the SD recording
On Jan 10, 2007, at 1:54 PM, Jake Thompson wrote:

> This is QAM-256
>
> On 1/10/07, Jake Thompson <jake at jakethompson.com> wrote:
> I am connected to the ATSC tuner with my basic cable and I am  
> receiving the unencrypted HD channels from that.  No over the air.   
> With this setup all you need to load is saa7134-dvb
>
> -Jake
>
> On 1/10/07, Praveen Shenoy <mythuser at comcast.net> wrote:
> When you say "using it as a digital tuner" I am assuming you are  
> using OTA connector on the card, i.e. the second connector from the  
> top. I am connecting my basic cable from comcast to the first  
> connector and using the QAM to capture the unencrypted HD channels.
>
> Praveen
>
> On Jan 10, 2007, at 11:27 AM, Jake Thompson wrote:
>
>> I am using it as a digital tuner only, so I do not need a loopback  
>> cble.  If you plan on using it for the NTSC tuner(not really the  
>> best for this) then you would need to load saa7134-alsa to get the  
>> sound with the video stream, still should not need the loopback  
>> cable for this.
>>
>> I have a PVR-150 with a working remote, so I have not tried to get  
>> the remote on the ATSC-110 to work, if anyone has done this please  
>> let us know.
>>
>> -Jake
>>
>> On 1/10/07, Praveen Shenoy <mythuser at comcast.net> wrote:
>> Thanks guys
>> I will try this tonight. Since you have an atsc-110, do you have  
>> the remote working with myth? Also, the wiki also mentioned about  
>> loading saa7134-alsa. Is that something you are doing too? Are you  
>> using the loopback to feed the audio from the 110 to the line in  
>> on your sound card or is that not required if I did the v4lctl  
>> commands mentioned on the wiki?
>>
>> Praveen
>>
>> On Jan 9, 2007, at 7:10 PM, Jake Thompson wrote:
>>
>>> I also have an ATSC-110 on FC6, works perfectly.
>>>
>>>
>>> Just to start testing you can do:
>>> modprobe saa7134-dvb
>>>
>>> This should load without a problem, make sure you have downloaded  
>>> the firmware and put it in the correct place.
>>>
>>> You can take a look at dmesg to see if it loaded.
>>>
>>> Next, to make it load on every startup you can add
>>>
>>> alias char-major-212 saa7134-dvb
>>>
>>> to the modprobe.conf file and in /etc/sysconfig/modules
>>> create a file called dvb.modules with:
>>> #!/bin/sh
>>>
>>> for i in char-major-212; do
>>>         modprobe $i > /dev/null
>>> done
>>>
>>>
>>> chmod +x the file, reboot and you should be all set.
>>>
>>> -Jake
>>>
>>>
>>>
>>>
>>> On 1/9/07, Myth User <mythuser at comcast.net > wrote:
>>> Hello all
>>> I am trying to setup atsc-110 to use QAM to record HD programs. I
>>> have followed a bunch of documentation on getting this to work. I am
>>> able to modprobe the saa1734-dvd module at the command line. As I am
>>> not very familiar with the modprobe.conf entries (I tried and I am
>>> having a kernel panic), it would be of great help if people using  
>>> the
>>> atsc-110 could post their modprobe entires. I have tried a few  
>>> things
>>> but, the dvb module does not load with the changes I have made. I
>>> obviously don't understand the format and how the modprobe.conf
>>> works:-(. My last change resulted in a kernel panic.
>>>
>>> The doc on the wiki
>>>
>>> http://www.mythtv.org/wiki/index.php/Kworld_ATSC_110
>>>
>>> says,
>>>
>>> Edit your /etc/modules file and insert an 'saa7134-dvb' right after
>>> the saa7134 entry that should already exist in the file. This will
>>> cause the module to load during boot.
>>>
>>> But, I don't see any entries for a saa7134 in the modprobe.conf and
>>> dmesg seems to be loading it fine and I have been successful in
>>> playing back HD using mplayer dvb:// after following the setup
>>> process. But I don't know what the change to the modprobe.conf  
>>> should
>>> be to load the saa7134-dvd and not the saa7134. Should I be loading
>>> both or should I load only the saa7134-dvb? I have spent a couple
>>> weeks trying to get this to work. Can somebody who is using the
>>> atsc-110 post their modprobe,conf?
>>>
>>> I am running Fedora Core 6 and the latest kernel installed using yum
>>>
>>> Thanks
>>> Praveen
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