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b1tstrem1st0 @lemmy.world
Posts 3
Comments 31

Are we quantifying the fidelity of AV1 right?

I've have been pondering about it for some time now and there is a reason for it.

When I compare my animated encodes frame by frame, I see that some frames come out with blurry mess but others come out better than HEVC at equivalent quality. So am I supposed to compare not still frames but frames in motion to quantify the fidelity in AV1? Or is that an area where the encoder still need improvements?

I've also experimented with temporal filtering on and off, sometimes it looks better, other times it butchers the fidelity.

3
Substack says it will not remove or demonetize Nazi content
  • Let me say it in another way, by silencing the Nazis, you are erasing their footprints, hence making it easier for them to evade serious attention and live peacefully in their own little bubble.

    If I was an employer, I would never know one of my employee is a Nazi.

  • Substack says it will not remove or demonetize Nazi content
  • If I talk about benefits. For one, we can track an individual's history.

    Edit: I assume you know how terrorism is still a thing, but I can say most likely you don't know why it is. That's the case with most people. Try to think about it.

  • Scientists show how ‘doing your own research’ leads to believing conspiracies — This effect arises because of the quality of information churned out by Google’s search engine
  • This entirely depends on how limited your perspective is. A limited perspective leads to more negative actions and an open perspective leads to more affirmative actions. 'Organized Groups', who influence others to think like them and believe what they believe, are results of negation.

  • Substack says it will not remove or demonetize Nazi content
  • Monetization of such content is questionable for sure, but I'm affirmative about what he says about the propagation of such extreme views. Simply being unaware about such things won't make them go away. People should know who they are and why they are so we can deal with them better. There's alot we can do better but can't do because of limited awareness and our own negative attitude to deal with them.

  • 'Kids Online Safety Act' will deliberately target trans content, senator admits.
  • Which only makes sense, trans are the most sus even within the LGBT. Its a broad category of mostly nonsense identities or simply just people unable to cope with how they are born and lamenting over it and passing on that stupidity to children. There are trans who act and blend like any other human being but most are just plain psychological disaster. The unnatural spike in identity disorder proves it.

    Edit: Heh, not a single reply. Just downvote for the sake of it cuz I said nothing wrong scientifically and statistically.

  • JPEG XL Android Support
  • I never thought it can be used like an image gallery but how to view my images in Tachiyomi?

    Edit: Figured it out myself, it works really well! I love anime community for adopting new tech earlier than others.

  • My experience of using AV1 so far.
  • I looked through the patch and it seems to me you made some changes to the defaults of SVT, so I just have to put those params, right?

    Or do I have to build FFmpeg with this fork? I don't know how to build one.

  • My experience of using AV1 so far.
  • For me, they both lose details the same way, AOM is just higher quality and compresses even better, neither of which is feasible for personal use at this time. I have some hope for rav1e but it is not mature enough and also missing many features, so not using that either.

  • My experience of using AV1 so far.
  • I use that everytime with film grain. Also without grains I always noticed blocky patches around the edges (which can still be found but much less) in many of my encodes.

    This is what I usually use -yuv420p10le -preset 3-6 -crf 18-32 -svtav1-params film-grain=8-20:film-grain-denoise=0:enable-overlay=1:scd=1:scm=0

  • My experience of using AV1 so far.

    I've been experimenting with AV1 using FFmpeg with SVT-AV1 for 2 years. I've encoded quite a lot of my videos in AV1 by now, mostly just animated content.

    AV1 is really good for an open source project, no doubt about that. But after so long using it, I can safely say that it is really just good for storage saving with excellent quality-speed tradeoff, however, it lacks fidelity. My major discontent with AV1 has been how the encoder blurs some details completely out even when setting crf as low as 14 whereas HEVC doesn't at all. Edit: Also in some instances, particularly with non-animated videos, AV1 performed way worse than HEVC which I believe is due to it doing a poor job in varied and difficult scenes.

    At first, I thought AV1 is only better for animated videos but later I found its really just any video so I've switched back to using HEVC for storage and decided to use AV1 only with preset 6 and fast decode on for mobile devices.

    I don't mean to say that AV1 is bad, it does provide better quality than HEVC for sure but I wouldn't call that an upgrade when HEVC still has the major edge in fidelity.

    It makes sense for VOD services to make use of it but personally, I wouldn't use it for anything except quick and super low bitrate encoding.... for now.

    9

    Do you miss the old Firefox UI design on Android?

    Mozilla redesigned the browser 4 years ago. At that time, I was expecting this change for the best, making Firefox as advanced as Chrome, if not more and more intuitive while still retaining the simplicity of UI, is what I thought.

    4 years on and I still can't make myself go back to FF. I miss the old simple UI. You could choose any extension from the extension store and personally, the best part was theming which is all gone! The browser is now all clustered. And Mozilla is still using the old screenshots of the browser in Play Store, I wonder why.

    6