[MPlayer-users] HD movies, aspect ratio, and scaling

[Uoti Urpala]

On Sat, 2009-12-19 at 13:07 +0100, Tobia Conforto wrote:
> So I go ahead and add the -aspect 16:9 option, and this is what happens:

> [swscaler @ 0x100ff60c0]1440x1080 -> 1920x1080
> VO: [corevideo] 1440x1080 => 1920x1080 Packed YUY2  [fs]
> 
> Why is it software-scaling the movie horizontally, up to 1920x1080? Can't it just play the 1440x1080 source in a 1440x810 window, using the hardware overlay? If that's not possible, wouldn't it be more efficient to down-scale vertically to 1440x810?

Do you have "-vf screenshot" in command line or config parameters? I
suspect you've specified that and it's what triggers the swscaler
output.