[MPlayer-users] How can I set a height of output file and keep the height-width ratio?

[The Wanderer]

Nico Sabbi wrote:

> On Monday 07 April 2008 08:34:23 Xell Zhang wrote:
>> Hello all,
>> 
>> I want to resize the video and keep the height-width ratio. But I
>> did not find any parameters for that. I can use "-aspect aspect"
>> set aspect ratio (4:3, 16:9 or 1.3333, 1.7777) but I guess it's not
>> what I want, right?
>> 
>> needs help! thanks :)
> 
> -vf scale=w:-10

Or (at least for MPlayer) '-xy <width>', which is at least more
convenient to type.

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    The Wanderer

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