[mythtv-users] Could help me to get widescreen on my system?

Alen Edwards allen.edwards at oldpaloalto.com
Tue Jul 8 11:07:25 UTC 2008


Damian wrote:
> Alen Edwards wrote:
>> Damian wrote:
>>> Hello all,
>>>
>>> I've just upgraded my hardware and OS to Ubuntu 8.04.
>>>
>>> With my old system, I managed (with a lot of help) to get widescreen 
>>> output sent to my projector. This worked fine using my 5200 card in 
>>> Ubuntu 7.10. Here's the xorg.conf file that finally got the 
>>> resolution working properly ... 
>>> http://www.gingermagic.co.uk/tmp/xorg.conf-was-fine-in-7.10 ... 
>>> however, I never knew where that modline came from that finally worked.
>>>
>>> Things seem to have changed a bit in xorg when I look at the file in 
>>> 8.04.
>>> Here's the clean file I had from a fresh install:
>>> http://www.gingermagic.co.uk/tmp/xorg.conf-default-clean-install
>>>
>>> and here's the file I'm currently using (generated by the nvidia 
>>> settings app:
>>> http://www.gingermagic.co.uk/tmp/xorg.conf
>>>
>>> I've tried to add in the relevant bits from the old file into the new 
>>> file, but it didn't work.
>>>
>>> I know that I can feed my projector 1280x720 as I finally did it 
>>> (after months of thinking there was no way to do it!) with the 5200 
>>> card.
>>>
>>> I'm currently using a 7300GT card with DVI (same cable as I used with 
>>> the 5200 card.
>>>
>>> Can anyone tell me what I need to do and where I need to check for 
>>> problems if it doesn't work?
>>>
>>> Cheers
>>> Damian
>>> _______________________________________________
>>> mythtv-users mailing list
>>> mythtv-users at mythtv.org
>>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>>
>>
>> Have you tried just using your old xorg.conf file as it was when it 
>> worked?
>>
>> I was having a problem with my 1280x720 projector.  My problem was 
>> that the projector is capable or receiving 1080 input but it looks 
>> terrible.   The driver saw that capability and sent that instead of 
>> the native 720.   What I did was remove all modes except the 1280x720 
>> one.  Now xorg.conf has no choice but to use 720 as the input.
>>
>> Allen
> 
> I think I did try that and it didn't work, but I'll try again. What log 
> would be useful for me to post if it doesn't work? I know that just 
> saying 'it doesn't work' is no use to anyone!
> 
> Also, I was thinking that there might be a more elegant way to get the 
> resolution with the newer looking xorg file and latest nvidia drivers. 
> The xorg file I had working before seemed like a real hatchet job and I 
> was always a bit unsure of the modline I was using. It seemed to work, 
> but I don't know where it came from and I don't know how suited it is to 
> my projector (BenQ W100).
> 
> Damian
> 
I thought this might be of interest.  I have two screens defined, one is 
a 1280x1024 projector, the other a TV.  This is a simple xorg.conf file 
that I wrote after a lot of research and it works just as I want.  I can 
put mythtv on either or both screens.

The way I normally use it is to restart X and if the projector is turned 
on, that is where myth shows up.  If the projector is off, myth shows up 
on the TV.  However, the other night I forgot to restart X and I turned 
on the Tv and there was the blue screen.  I chose to start another 
instance of mythtv on the TV rather than restart X and that worked as 
well.  Now, if I turn on the projector, all I have to do is move the 
mouse over to that screen to give it focus and I am good to go.

You might want to let the auto configure program run and see if it 
prints out some monitor specific information like refrech rates and edit 
this file before trying it.  If you don't have a TV, you can edit those 
three sections out.

In any event, you will need the projector on when you start X for this 
to work.  There are ways around that, but that is another discussion.

Hope this helps,

Allen

Section "ServerLayout"
     Identifier     "Layout0"
     Screen      0  "Screen0" 0 0
     Screen      1  "Screen1" RightOf "Screen0"
     InputDevice    "Keyboard0" "CoreKeyboard"
     InputDevice    "Mouse0" "CorePointer"
EndSection


---snip---


Section "Monitor"
     # HorizSync source: edid, VertRefresh source: edid
     Identifier     "Monitor0"
     VendorName     "Unknown"
     ModelName      "Panasonic AX-100"
     HorizSync       28.0 - 49.0
     VertRefresh     24.0 - 61.0
     Option         "DPMS"
EndSection

Section "Monitor"
     # HorizSync source: xconfig, VertRefresh source: xconfig
     Identifier     "Monitor1"
     VendorName     "Unknown"
     ModelName      "TV-0"
     HorizSync       28.0 - 49.0
     VertRefresh     24.0 - 61.0
     Option         "DPMS"
  Option         "TVOverScan"   "1.0"
EndSection

Section "Device"
     Identifier     "Videocard0"
     Driver         "nvidia"
     VendorName     "NVIDIA Corporation"
     BoardName      "GeForce 6200 LE"
     BusID          "PCI:1:0:0"
     Option         "UseDisplayDevice" "DFP"
     Screen          0
EndSection

Section "Device"
     Identifier     "Videocard1"
     Driver         "nvidia"
     VendorName     "NVIDIA Corporation"
     BoardName      "GeForce 6200 LE"
     BusID          "PCI:1:0:0"
     Option         "UseDisplayDevice" "TV-0"
     Screen          1
EndSection

Section "Screen"
     Identifier     "Screen0"
     Device         "Videocard0"
     Monitor        "Monitor0"
     DefaultDepth    24
     Option         "TwinView" "0"
     Option         "metamodes" "DFP: 1280x720_60 +0+0"
     SubSection     "Display"
         Depth       24
     EndSubSection
EndSection

Section "Screen"
     Identifier     "Screen1"
     Device         "Videocard1"
     Monitor        "Monitor1"
     DefaultDepth    24
     Option         "TwinView" "0"
     Option         "metamodes" "TV: nvidia-auto-select +0+0"
     SubSection     "Display"
         Depth       24
     EndSubSection
EndSection


More information about the mythtv-users mailing list