Hopefully there's some delta compression between the frames. Or something other ... | Hacker News

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		TwoBit on March 15, 2017 \| parent \| context \| favorite \| on: Chromium: Add support for Animated PNG Hopefully there's some delta compression between the frames. Or something other than a dumb array of independent images.

Dylan16807 on March 15, 2017 [–]

There's no true inter-frame compression, but frames layer on top of each other by default. Unchanged areas can be transparent.

laurent123456 on March 15, 2017 | [–]

So a player is basically compositing many alpha-transparent images on top of each others to create the video?

maxst on March 15, 2017 | | [–]

Something like that: http://littlesvr.ca/apng/inter-frame.html

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