Allow Lottie Stickers to use raster images

In our Community server, we create a lot of temporary animated emoji for events, and thought the Sticker feature would be a fantastic way to have them available permanently. However, it was completely impossible for us to use it with the current restrictions.

For animated Stickers, you must use APNG or Lottie. Lottie was very interesting to us, since the animated emoji are generated from keyframe animation data, so that would be a 1-to-1 conversion. However, since Discord blocks the upload of any Lottie files with raster images, that feature is useless to us.

The FAQ about Lottie Stickers says we should just "save it as a PNG or APNG instead" - but that's not possible if my 200KB Lottie animation becomes a 4MB Animated PNG when converted. The file size limit is far too small for any actual animation.

The rLottie rendering library mentioned in the FAQ supports rasterized images. It would be fantastic to bring that feature over to Discord as well, since a ~20x size reduction seems like a pretty big deal for a lot of animators with this tiny file size limit in place.

JJRcop

7 de octubre de 2023 23:17

I want a sticker that's just a PNG spun around. Lottie would be great as I can have the data of the PNG embedded in the lottie file once and store the information about the transform itself. With APNG I have to render each frame separately and keep all of the full frames in the file, this equals more than 1.5MB which is too big for Discord.

A Lottie file would be just 184.2KB (little more than the PNG itself) and fit just fine.

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