[MPlayer-users] Widescreen Question (To scale or not scale)

[Nico Sabbi]

Jorge Fábregas wrote:

>On Sunday 07 January 2007 3:28 pm, Nico Sabbi wrote:
>  
>
>>the best way to optimize quality is: crop all black bands,
>>    
>>
>
>Hello Nico.  I have a couple of questions here...   I haven't seen any 
>widescreen DVD on my computer that had black bands (top & down bars).  Are 
>there any DVD's out there with these bars on the actual video?
>  
>

thousands

>I'm learning to encode etc...I'm kind of a newbie here but I know the reason 
>behind the black bars when you play them on TV (lower resolution)...but I'm 
>now wondering..why would they author a DVD with the black bars on them?
>  
>

they are needed to accomodate aspect ratios other than 16/9 and 4/3,
e.g. 2.35, 1.85 and possibly more (watch Blade Runner)

>>and embed the modified aspect ratio in the avi header (automatic)
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>
>I have cropped the black bars on videos I have downloaded and I have noticed 
>that the mencoder takes care of the modified aspect ratio...so is it that we 
>only need to specify aspect ratio when you don't crop or rescale? 
>
when there's nothing in the decoding and filter chain