[mythtv-users] Correcting overscan in MythVideo/mplayer

Keith C mythtv at keithandjill.com
Fri Dec 9 10:20:37 EST 2005


On Dec 9, 2005, at 8:54 AM, korebantic wrote:

> mplayer -fs -display :0 -quiet -vf scale=520:-2,expand=640:480:45:40 \
>  -zoom -vo xv /var/video/mythvideo/Lunar_Bleach_58.avi
>
> Does the trick. I'm not sure I really understand resolutions very
> well. For example, scale=540:-2, along with other resolutions,
> completely garbled the image. Do you know how to determine "valid"
> resolutions without having to resort to trial and error?
>
>

Yes, for mplayer they have to be divisible by 8, it looks like (I  
thought it was 16, but the fact that 520 works means it must be 8).

Keith C


> On 12/8/05, Keith C <mythtv at keithandjill.com> wrote:
>>
>> On Dec 8, 2005, at 8:25 PM, korebantic wrote:
>>
>>> The trouble seems to be with using the "-fs" option. No matter  
>>> what I
>>> scale the output to, the PVR350 overscan still cuts off the  
>>> subtitles.
>>> Is this just endemic with the PVR350 or am I doing something wrong
>>> here?
>>>
>>> The only thing that doesn't cut off the subtitles that I could  
>>> get to
>>> work was the following:
>>>
>>> mplayer -quiet -geometry 32%:50%  -display :0 \
>>>  -vf scale=520:-2 -zoom -vo xv /var/video/mythvideo/
>>> Lunar_Bleach_58.avi
>>>
>>> However, that leaves me with the window frame and a little clutter
>>> from fluxbox to look at while I watch my videos. Would the expand
>>> option be the correct way to blackout that area?
>>>
>>
>> Yes, expand creates a black window the size you specify and drops
>> your scaled video into at the coordinates you specify (or centers it
>> if you don't specify).
>>
>> Keith C
>>
>>
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