[mythtv-users] 1:1 aspect ratio for Internal Player?

Kichigai Mentat kichigai at comcast.net
Sun Jan 8 21:13:03 UTC 2006


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On Jan 8, 2006, at 13.39, Steve Adeff wrote:

> On Sunday 08 January 2006 14:25, Kichigai Mentat wrote:
>> On Jan 7, 2006, at 23.12, Steve Adeff wrote:
>>> I've been using the Internal player for playing back xvid's and
>>> notice that
>>> the aspect ratio is forced to 16:9 making the image look wrong. Is
>>> there a
>>> way to get the Internal player to use 1:1 instead so that it
>>> displays with
>>> the proper aspect ratio?
>>
>> Don't you mean 4:3, not 1:1? Also, what kind of display are you
>> using? Is it a widescreen TV, or is it something like a computer
>> monitor? Also, does the XviD file happen to have an erroneous aspect
>> ratio coded into it (MPlayer can do those things)? Does this happen
>> with other files? Does this happen only with XviD encoded files?
>
> no, they're 1:1 encoded xvids. I'm playing it back at 1280x720  
> (16:9) for my
> TV. they playback fine using mplayer on the Myth machine (because  
> it doesn't
> try to change the aspect ratio) and on XBMC(same reason). There is  
> no aspect
> ratio coded in to the avi as when I play it back in mplayer the  
> aspect ratio
> comes up as the w/h=2.35 the proper aspect ratio.
That's wrong. 16/9=1.77777777778, not 2.35.

But, judging from what's been said, It sounds to me like MythTV is  
telling MPlayer to change the pixel aspect ratio from 1:1 (which is  
what you want) to 16:9. I guess you need to go into your video  
playback settings and make sure all pixel aspect ratio options are  
disabled.
>
>> This might not be a proper solution, but try remuxing the file as a
>> Matroska file, and tell it to use the 4:3 aspect ratio on the video
>> track. Maybe MPlayer will read that and display it properly.
>
> nope, cause only the internal player is forcing it to be played  
> back at 16:9
>
> -- 
> Steve
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> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users

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