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Re: render using PNG question

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Dave LaRonde
Re: render using PNG question
on Mar 23, 2011 at 7:14:11 pm

PNG is both a video codec and a still image file type. It's a bit confusing.

And just for the heck of it, I converted a 30-second, 320x240, 29.97 mp4 file in H.264 compression into an alpha-channeled PNG-codec quicktime at the same resolution but at 59.94. I don't recommend doing it; it took forever and a day.

The H.264 file: 3.25 MB
The PNG-codec file: 620.05 MB! Yipes!

And for all the reasons discussed, PNG isn't the best thing to play. It's a great intermediate codec, it's just not intended for realtime playback.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA

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