[FFmpeg-user] Aspect Ratios: DAR, SAR and Frame Size
adishavit at gmail.com
Mon Jan 13 16:21:21 CET 2014
Boy! you guys are quick!
Thanks James, see my reply to Rio above.
> As can be seen:
> > - The reported frame size is 352x240. This is an aspect ratio (AR) of
> > 22:15
> > - SAR = 10:11
> > - DAR = 4:3
> > I have a few questions about these AR values:
> > 1. Obviously, the frame size is the decoded size of the frame.
> > However, what do DAR and SAR mean in this context when they are both
> > 1:1?
> Display Aspect Ratio and Sample Aspect Ratio. The latter is also known
> as Pixel Aspect Ratio in some places. This refers at the shape of the
I figured this out now:
Frame_AR x SAR == DAR => (352/240)*(10/11) = 4/3 = 1.33333
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