[mythtv-users] nonlinear 16:9 stretch?

David myth at dgreaves.com
Mon Nov 21 16:20:20 EST 2005


Robert Denier wrote:

>On Monday 21 November 2005 02:14 pm, Cory Papenfuss wrote:
>  
>
>>>Currently I use the built in stretch mode on my TV to stretch 4:3 to
>>>16:9. It does a nonlinear stretch so the edges of the picture are
>>>stretched more than the middle. Windows MCE has this feature too.
>>>
>>>Before I burn an evening mucking with a working X config, i'd like to
>>>know if MythTV do this also, or does it stretch the entire picture
>>>evenly?
>>>      
>>>
>> 	I think I remember this thread coming up before.  I really doubt
>>that you will find anything from within the X config that will allow you
>>to do that.  Modelines are linear.  Unless the specific video card driver
>>has a special mode for it (non that I'm aware of do), you're screwed.
>>
>> 	That should probably be done at the application (i.e. mythtv)
>>level.  I don't think anyone has done it yet.
>>
>>-Cory
>>    
>>
>
>Why would you want this?  Is there a screen shot somewhere showing why
>this is useful?  I'm just curious...
>  
>
http://www.cnet.com/4520-7874_1-5140690-3.html
solution 3 : Panoramic mode (the man with the fat hands...)

>Now what I'd like to see is an easy minor zoon that compromises showing 4:3 
>material on 16:9 sets.  Perhaps you could split the difference between what 
>you would cut off to keep the aspect ratio correct, but reduce the size of 
>the black bars by half.  Then again, I'm not sure if I'd use the feature that 
>much, until I had it.  For some odd reason if I zoom much beyond the normal 
>fit of 4:3 on the screen now, it tends to corrupt things.  Sometimes you 
>might want to do that do that to fit 16:9 source material that is showing on 
>a 4:3 channel on a 16:9 screen.  I've never looked into the issue, but I 
>suspect it might be video card (ati) related.
>  
>
That's what it's good for :)

David


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