Anyone have a solution for this? I keep running into this issue and I'm hoping 
it's a very small fix.

On Sat, Sep 26, 2020 at 07:16:55PM -0400, amin...@mailbox.org wrote:
> Given a project whose producers have different aspect ratios...
> 
>     <mlt>
>       <producer id="wide">
>         <property name="resource">wide.mp4</property>
>       </producer>
>       <producer id="narrow">
>         <property name="resource">narrow.mp4</property>
>       </producer>
>       <playlist>
>         <entry producer="wide" in="0" out="72"/>
>         <entry producer="narrow" in="0" out="72"/>
>       </playlist>
>     </mlt>
> 
> ...and using the avformat consumer...
> 
>     melt foo.mlt -consumer avformat:foo.mp4
> 
> ...the width and height of the output video seem to often (not always! - 
> curious about this) be the w/h of the first producer in the playlist. The 
> other producers are scaled to fit the output width or height while preserving 
> their aspect ratios.
> 
> But when I fix the output width and height, all the producers are stretched 
> to fit, not preserving their original aspect ratios:
> 
>     melt foo.mlt -consumer avformat:foo.mp4 width=1920 height=1080
> 
> How can I specify output width and height while preserving the producers' 
> aspect ratios?
> 
> Thanks!
> Tom
> 
> 
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> Mlt-devel@lists.sourceforge.net
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