[FFmpeg-user] Couple of questions about GIFs

MediaMouth communque at gmail.com
Sun Dec 20 22:15:40 EET 2020

> On Dec 20, 2020, at 12:10 PM, pdr0 <pdr0 at shaw.ca> wrote:
> But for web supported video in MP4 container, there is no native alpha
> channel support directly (there are workarounds by using a HTML5 background
> canvas and 2 videos)
> And for video - VP9, webm video does have alpha channel support , 8 or 10bit
> per channel , and is  supported by modern browsers, no licensing issues
> But some users have restrictions set to disable embeded videos in browser
> locally, or some websites might have restrictions on file types (e.g. some
> forums)
> An alternative modern animated image format, that has fairly wide support is
> animated webp (not limited to 256 colors, supports alpha, has an RGBA
> variant, and supported by modern browsers) . But gif is still the most
> widely supported animated image format

Thanks for these... I hit send on the question after you posted the answers.

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