• ben@lemmy.zip
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    18 hours ago

    Counterpoint: GIFs loop by default in basically every app, WEBM doesn’t

    • Glitchvid@lemmy.world
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      11 hours ago

      Can just use avif instead, it holds an AV1 stream and acts like gifs/images do WRT looping — also very broad support (more than AV1 in WebM containers).

      Demonstration:

      Image

      Edit: switched to an example with simpler decode requirements.

        • Glitchvid@lemmy.world
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          11 hours ago

          That’s caused by bad regex in the app, it’s getting confused about domains.

          e: fixed by using an aliased domain.

      • toothbrush@lemmy.blahaj.zone
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        16 hours ago

        Your demonstration is a sluggishly loading static image on my end, so I guess support isnt that widespread :P

        (Im using the app “Summit”)

      • ink@sh.itjust.works
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        15 hours ago

        (on Arctic on ios) the uploaded image displays as a static image for me. Even clicking on it and waiting, it doesn’t seem to animate :T

        Edit: I checked again through the Voyager app, and it did indeed load, though it took around 45-60 seconds* for it to get through the entire animation before it started looping again, albeit at the same speed as the first playthrough.

        I chalked it up to the outdated hardware, as you mentioned in your reply. Cheers! :)

        • Glitchvid@lemmy.world
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          16 hours ago

          Apple has limited support for AV1 streams (yes, even for software decode) unless on very recent hardware. Here’s an AV1 stream inside a webm container for comparison, would be interesting to see if that works over the avif container on your stack.

          • boonhet@sopuli.xyz
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            5 hours ago

            This doesn’t work for me but the original one you posted does (Voyager, iPhone 14 pro)

          • ink@sh.itjust.works
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            15 hours ago

            Ah yeah, that would explain it - my phone is now pretty outdated (I’m on a 12) - I clicked on the image link in your response but it didn’t load for me, unfortunately.

            I’m not sure if that’s a result of my outdated hardware or if I perhaps clicked on it before it had a chance to process your upload, but you seem much more knowledgeable than I, so I’m going to assume it’s my hardware. I appreciate the response and the second attempt, though! :)

            • Glitchvid@lemmy.world
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              15 hours ago

              It’s an intentional behavior by Apple. Basically they just don’t support AV1 videostreams unless the hardware you’re using has a hardware decoder (read: very new). They could support it using software decode (what browsers typically do for AV1 inside avif containers) but… for whatever reasons don’t.

                • boonhet@sopuli.xyz
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                  5 hours ago

                  I’m not sure demand for AV1 is enough to ship units

                  Probably either laziness or they want to avoid software decoding in general for performance reasons

                  • Glitchvid@lemmy.world
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                    40 minutes ago

                    I think that’s a reasonable way to look at it.

                    It’s not the route I’d take, after all, the video tag in html supports specifying multiple sources (including different formats/encodings), and with full control of the stack (they vend Safari) you could have logic on devices without AV1 hardware that prefers the AVC/HEVC/VP9 sources instead — then fallback to AV1 SW if it’s the only option. That seems a better user experience than just failing to display content.