[MPlayer-users] mpeg muxer: Only fixed aspect?

Giacomo Comes comes at naic.edu
Fri Mar 11 13:55:37 CET 2005

On Fri, Mar 11, 2005 at 04:55:23AM +0000, JustFillBug wrote:
> It seems the mpeg mux and lavc mpeg encoder only take fixed aspect ratio
> like 4/3, 16/9. If a aspect other than 4/3 or 16/9 was specified to
> -mpegopts aspect= or -vf aspect, the 4/3 is assume(?)

mpeg aspect can be 4/3, 16/9, 2.21 or 1 (no aspect)
if the aspect value specified with -lavcopts aspect=n
is another value, the closest match between 1, 4/3, 16/9, 2.21
is choosen. This is for 1.0pre6 and older version.
I haven't check with the new muxer. Nico?

> How does anamorphic aspect works for SVCD or DVD mpeg?
I'm not 100% sure, but I think that 
only 16/9 DVD are played correctly by hardware DVD players.
VCD/SVCD are always played as 4/3


More information about the MPlayer-users mailing list