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> Tutorial:Enabling smooth YT 4K playback in Chrome.

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zerorating
post Mar 2 2019, 12:05 AM

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QUOTE(BChLZ @ Mar 1 2019, 11:59 PM)
YouTube already stop encoding 4k video with AVC since more than couple of years ago.

All the newly encoded video with resolution higher than full HD are done with VP9 since then.

When AV1 encoding is mature enough (it is still slow now) , most likely all the video beyond 4k will be encoded with AV1 only (of course there will be AV1 versions too for those with lower resolution) .
*
wait, we have a new codec?
is this the one that mozilla try to promote?
oh well, time to wait for a new hardware sweat.gif

meanwhile some fansub still being an asshole using hi10p biggrin.gif

This post has been edited by zerorating: Mar 2 2019, 12:07 AM
junsheng
post Mar 2 2019, 12:09 AM

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QUOTE(zerorating @ Mar 2 2019, 12:05 AM)
wait, we have a new codec?
is this the one that mozilla try to promote?
oh well, time to wait for a new hardware  sweat.gif
*
by 2020 year end or 2021 if u looking 4 hardware support on av1
zerorating
post Mar 2 2019, 12:11 AM

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QUOTE(junsheng @ Mar 2 2019, 12:09 AM)
by 2020 year end or 2021 if u looking 4 hardware support on av1
*
im targetting zen2+navi setup this year, sure will miss those av1 codec support.
oh well those GPU can wait. smile.gif
ultra78
post Mar 2 2019, 12:12 AM

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Tq.I will buy 4K monitor to confirm this
BChLZ
post Mar 2 2019, 12:16 AM

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QUOTE(zerorating @ Mar 2 2019, 12:05 AM)
wait, we have a new codec?
is this the one that mozilla try to promote?
oh well, time to wait for a new hardware  sweat.gif

meanwhile some fansub still being an asshole using hi10p  biggrin.gif
*
Mozilla is one of the founding members of the organisation, and it contributed some new tools in the codec.
xperiaVuser
post Mar 2 2019, 12:17 AM

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Or if you're lazy, just use Edge browser biggrin.gif
BChLZ
post Mar 2 2019, 12:19 AM

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QUOTE(junsheng @ Mar 2 2019, 12:09 AM)
by 2020 year end or 2021 if u looking 4 hardware support on av1
*
Heard that the most optimistic schedule for a chip supporting AV1 hardware decoding to be in the market is by end of this year.
junsheng
post Mar 2 2019, 12:25 AM

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QUOTE(BChLZ @ Mar 2 2019, 12:19 AM)
Heard that the most optimistic schedule for a chip supporting AV1 hardware decoding to be in the market is by end of this year.
*
hopefully can see some appear in the market to drive the speed of adoption
BChLZ
post Mar 2 2019, 12:43 AM

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QUOTE(junsheng @ Mar 2 2019, 12:25 AM)
hopefully can see some appear in the market to drive the speed of adoption
*
Judging by the members of the alliance, especially those content providers (Google, netflix, amazon, Facebook, iqiyi, alibaba), the adoption of AV should be faster compared to VP9.
Doraku
post Mar 2 2019, 01:41 AM

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QUOTE(BChLZ @ Mar 1 2019, 11:59 PM)
YouTube already stop encoding 4k video with AVC since more than couple of years ago.

All the newly encoded video with resolution higher than full HD are done with VP9 since then.

When AV1 encoding is mature enough (it is still slow now) , most likely all the video beyond 4k will be encoded with AV1 only (of course there will be AV1 versions too for those with lower resolution) .
*
Agree, currently xiph and other is developing much more optimized and better AV1 encoder called rav1e, let see what happend once development is done drool.gif drool.gif

QUOTE(zerorating @ Mar 2 2019, 12:05 AM)
wait, we have a new codec?
is this the one that mozilla try to promote?
oh well, time to wait for a new hardware  sweat.gif

meanwhile some fansub still being an asshole using hi10p  biggrin.gif
*
Maybe?, AV1 is about 40% more efficient than VP9 and about 20-30% more efficient than X265(HEVC)
it has larger block,more prediction direction, and new feature like Chroma from luma prediction,film grain synthesis,etc. Also its royalty free!!! icon_idea.gif icon_idea.gif

» Click to show Spoiler - click again to hide... «

Useful link
https://aomedia.org/

https://en.wikipedia.org/wiki/Alliance_for_Open_Media

https://en.wikipedia.org/wiki/AV1

https://en.wikipedia.org/wiki/VP9#Successor...rom_VP10_to_AV1

https://en.wikipedia.org/wiki/Daala

https://en.wikipedia.org/wiki/Thor_(video_codec)

https://blog.mozilla.org/blog/2018/07/11/ro...b-video-codecs/

https://www.youtube.com/watch?v=On9VOnIBSEs

https://www.youtube.com/watch?v=qubPzBcYCTw

This post has been edited by Doraku: Mar 2 2019, 01:47 AM
e_X
post Mar 2 2019, 01:42 AM

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My quota too small for 4K stream T_T
zerorating
post Mar 2 2019, 01:51 AM

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QUOTE(Doraku @ Mar 2 2019, 01:41 AM)
Maybe?, AV1 is about 40% more efficient than VP9 and about 20-30% more efficient than X265(HEVC)
*
and content provider will just use lower bitrate settings and those new codec requires twice compute power to decode/encode and we are needing new hardware for hardware decoder/encoder.
to my eye, implementing new codec benefits cooperation more, as for consumer, it helps people who dont have fast enough internet connection

This post has been edited by zerorating: Mar 2 2019, 02:02 AM
Doraku
post Mar 2 2019, 02:03 AM

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QUOTE(zerorating @ Mar 2 2019, 01:51 AM)
and content provider will just use lower bitrate settings and those new codec requires twice compute power to decode/encode and we are needing new hardware for hardware decoder/encoder.
*
Agree, for right now we need to use software decoding, videolan is in development for a optimized av1 decoder called dav1d
Here some performance test people did with the reference decoder and with dav1d https://www.reddit.com/r/AV1/comments/aqzqf...mance_20190215/
TSGOPI56
post Mar 2 2019, 08:39 AM

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Looking forward for the AV1 video codec, and I think hardware supporting AV1 decoding will be released around next year.

This post has been edited by GOPI56: Mar 2 2019, 08:42 AM

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