Re: dvd author make anamorphgic from 4:3?

On Tue, 29 Mar 2011 10:32:19 +1300
Lawrence D'Oliveiro <[email protected]> wrote:


> Current versions of FFmpeg don’t do padding that way. It’s now just
> another video filter, so your example would become
> 
>  -target ntsc-dvd -aspect 16:9 -s 704x344 -vf pad=704:480:0:68



And so it now is with aspect:


  -vf setdar=16:9


However, older versions of ffmpeg and those compiled with
--disable-avfilter use either:

  -aspect 16:9

or 

  -vf aspect=16:9


Well, at least it was this way when I last looked at it a couple months
ago. Looks to me like a nice compatibility mess in the making. Also, IIRC,
recent ffmpeg versions would accept -aspect, report that it was being used
for the outfile via "[PAR 32:27 DAR 16:9]", but would not actually take it
into consideration when transcoding, in effect, lying. :( Sigh.


  Cheers,

  Mike Shell


 

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