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H.266/Versatile Video Coding (VVC)

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Re: H.266/Versatile Video Coding (VVC)

#51

Earlier quoted context omitted.

How does x264 etc get away with it?

Software patents are not valid everywhere, x264 is brought up by VideoLAN in France, where software patents don't apply like in the rest of the EU.

They sort of half not apply in Sweden too.

Re: H.266/Versatile Video Coding (VVC)

#52
post #22
post #9

Naively hoped I'd read 'this will be released to the community under a GPL license' or similar. Instead found the words 'patent' and 'transparent licensing model'. I appreciate that it costs money and time to develop these algorithms, but when you're backed by multi-billion dollar "partners from industry including Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm, and Sony" perhaps they could swallow the costs? It…

The dirty secret of video codecs is that you can't make a modern video codec that isn't patent encumbered, which in turn makes it so that even if they wanted to be open, they go for defensive patents, which in turn perpetuate the situation. At least the patent licenses usually used with MPEG mean that private use of open source implementations is free.

Are AV1 and VP9 not modern video codecs? Or are you suggesting the patent claims have substance?

Re: H.266/Versatile Video Coding (VVC)

#53
post #9

Naively hoped I'd read 'this will be released to the community under a GPL license' or similar. Instead found the words 'patent' and 'transparent licensing model'. I appreciate that it costs money and time to develop these algorithms, but when you're backed by multi-billion dollar "partners from industry including Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm, and Sony" perhaps they could swallow the costs? It…

What you're looking for is the AV1 codec, which finalized a year and a half ago and will likely see much wider adoption, simply because none of the members want to pay royalties.

https://aomedia.org/av1/

https://aomedia.org/membership/members/

AV1 decoding has already been in Chrome and Firefox since at least a year ago. We're just waiting for hardware decoding and encoding support now, which should start appearing this year.

The next version of Chrome will also support the AV1-based AVIF image format this month:

https://chromium-review.googlesource.com/c/chromium/src/+/22...

YouTube, Netflix, and Amazon/Twitch are also likely to not support VVC (and some of them don't support h.265 either) for their streaming services.

Re: H.266/Versatile Video Coding (VVC)

#54
post #38
post #22

Earlier quoted context omitted.

The dirty secret of video codecs is that you can't make a modern video codec that isn't patent encumbered, which in turn makes it so that even if they wanted to be open, they go for defensive patents, which in turn perpetuate the situation. At least the patent licenses usually used with MPEG mean that private use of open source implementations is free.

That's what AV1 is.

The situation with AV1 is "we are in middle of minefield and nobody got mine-clearing gear".

They can be reasonably sure they do not infringe known patents from certain Patent Pools and patents declared as part of MPEG-LA bundles. They can't provide reasonable data that they do not infringe on any submarine patent, something that killed 3 attempts by MPEG-LA to provide a royalty-free codec for the web - all that was required to kill it was a note from a company that they "might" have patents covering things they tried to release, or that they decided not to allow royalty-free license for their known patent.

Meanwhile patent search is complex enough that it's unreasonable to impossible to make a statement that you definitely don't infringe any unless you keep clear of anything invented within last ~20 years.

Re: H.266/Versatile Video Coding (VVC)

#55
post #9

Naively hoped I'd read 'this will be released to the community under a GPL license' or similar. Instead found the words 'patent' and 'transparent licensing model'. I appreciate that it costs money and time to develop these algorithms, but when you're backed by multi-billion dollar "partners from industry including Apple, Ericsson, Intel, Huawei, Microsoft, Qualcomm, and Sony" perhaps they could swallow the costs? It…

> perhaps they could swallow the costs? It is 2020 after all.

They should swallow so people again come back and say they are doing it to kill competition? Just received bill from doctor's visit for hundreds of dollar, I guess things are not gonna be free in 2020 after all.

Re: H.266/Versatile Video Coding (VVC)

#56

Earlier quoted context omitted.

>some objective measure of fidelity to the original This is part of the problem. What is an "objective" measure of perceptual fidelity to the original?

SSIM

I wouldn't say so, see Figure 1:

https://openaccess.thecvf.com/content_cvpr_2018/papers/Zhang...

Re: H.266/Versatile Video Coding (VVC)

#58

Can anyone verify if this is a real number? It’s possible sometimes to make surprising claims (such as 50% lower size) by relying on unusual or unrealistic situations. I would rather if they use a standard set of test videos with different content and resolutions, and some objective measure of fidelity to the original, when quoting these percentages. But if the 50% number is real, then that is truly remarkable. I won…

Those numbers are valid for a specific PSNR... but marketing and PR obviously prefer to skip that point.

For comparison, HEVC claimed 50 to 60% compared to AVC. You can compare with reality...

Re: H.266/Versatile Video Coding (VVC)

#59
post #25
post #20

Earlier quoted context omitted.

Compression is AI. It’s never going to be “all” figured out.

Another way if saying it is that compression is understanding.

End-credits are just text. So it should be possible to put it through OCR and save only text, positions, and fonts. And the text is also possible to compress with a dictionary.

Re: H.266/Versatile Video Coding (VVC)

#60
post #38

Earlier quoted context omitted.

That's what AV1 is.

https://www.streamingmedia.com/Articles/ReadArticle.aspx?Art... Care to try your luck?

I think that's more a case of Sisvel trying their luck.

I don't think they'll be successful. The Alliance for Open Media was careful to avoid potential patent problems during AV1 development. So, unless AOMedia seriously failed in that effort, AV1 will be alright.

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