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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