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@skoll @dokidoki @dirb @awg I guess for a team that implemented animated GIF and WebP already, WebP-A shouldn't be too much of a challenge. I'm arguing myself into the view that maybe it does have merit. :-)
WebM/Matroska (or any of the modern A/V formats really) has features for stream multiplexing, resyncing when skipping into the middle of a stream and other features that probably don't make much sense for 2 MB animation files.
In other news, TIL about https://en.wikipedia.org/wiki/JPEG_XR /via https://bugzilla.mozilla.org/show_bug.cgi?id=856375 .
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@skoll @dokidoki @dirb @awg WebP Animation is one of the funniest things ever. Hey, let's take this video codec, take out only the still frame part, and then use that to make a video format again.
An "animation" format is just a video format without audio and with the cultural expectation to be moving pictures in places where you would normally put still pictures.
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@skoll @dokidoki @dirb @awg
So, https://nokiatech.github.io/heif/ looks like it's basically analogous to WebP-A but with the added benefit of using patented constructs? ;-)
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@skoll @dokidoki @dirb @awg
> every "video" coding format can be "image" formate, and be much better than "still image" from begining
I do not follow. Yes, still frames and images are the same thing. But why would a still frame codec necessarily be "much better" than an image, if they're from the same decade? Or are you just saying that it's plausible that they could? Of course.
> Also you can't download them officaly, unlike gifs and still pictures. Just like in Youtube(Officially)
I don't follow. There's no technical difference in the format itself that makes a movie or an "image sequence" more susceptible to DRM or obfuscation than the other. That's again cultural, that we have arbitrarily ruled/tolerated that images should be a simple img element, but videos should be delivered in other ways than a simple video element.
On civilized video platforms, you can just right-click and "Save video as ...".
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@skoll @dokidoki @dirb @awg
I think WebP has value, just like i think WebM has value. Taking a complex spec and specifying a subset that can be more easily implemented is not useless.
I don't know WebM and WebP-A enough to say whether WebP-A simplifies anything important.
I get why APNG exists, but WebP-A seems mostly like a prank.
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#mozilla #webp status: It's ongoing, no ETA.
https://bugzilla.mozilla.org/show_bug.cgi?id=1294490