Hi there guys, I just wondered why GIFs are so small when you upload them - even if you choose 100% as the size E.g [2020-04-07 10.18.45]

What is the size of the GIF you are uploading? The one below is 245x250 and uploads fine. [babies12]

This looks like an error in speficically what you are choosing to upload? Can you describe it exactly, step by step, with examples?

Here is a gif that triggers the issue. When I look at its properties on my computer, its type is set to ‘image/gif’. Its size is 10.4MB. It seems that Discourse is resizing its images. I am able to upload smaller gifs that I created in the same way without any display issues. [featured_topic]

So this is about GIFs that are normally too large to fit the upload limit, they are being auto-resized somehow? That resulting image is tiny: 50 x 29, 32kb Perhaps this is a regression @sam ? :thinking:

Possibly a regression, does this happen with non animated gifs as well?

Thanks guys - I’m using http://giffox.com/ to make gifs. Sometimes it works and sometimes not… I think you might be right about the size. Was just doing some tests Can make it work if it’s very short.

Here is a 2.06 mb GIF [giphy] Here is a 3.47 mb GIF [89952-master-strokes-beard-gif-Kill-bdei] Here is a 9.06 mb GIF [Ton-Sur-Ton-directed-by-REGAN-CAMERON-1080p] Yeah looks like something very bad is happening at the 4mb limit to these @sam @eviltrout . I edited the title to reflect the issue…

Just wanted to confirm this is isolated to animated gifs. I think we use Gifsicle: Command-Line Animated GIFs for resizing do my guess is that params changed @vinothkannans can you have a quick look today

FIX: use correct command line attribute for `gifsicle` while scale down the gif. committed 12:46PM - 10 Apr 20 UTC (UTC) [图片] vinothkannans +5 …

Is this the correct fix? I don’t think we should be “downsizing” what are effectively videos? That feels like a rather extreme (and possibly very server CPU intensive) manipulation, that could ruin video (gif) quality. I’m not sure about this. I think we should outright reject animated GIFs which a…

上传的 4MB 或更大的动画 GIF 显示非常小

支持

vinothkannans (Vinoth Kannan) 2020 年4 月 10 日 12:52 11

It’s happening since we changed the way of image downsizing. The above commit will fix this issue and the larger gifs will scale down properly.

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上传的 4MB 或更大的动画 GIF 显示非常小

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