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Old 21st November 2016, 08:42   #1381  |  Link
CruNcher
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You underestimate Nvidia
Also you gonna see AMDs point of view changing rapidly they are next with Intel on the release schedule as you said
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Old 21st November 2016, 10:21   #1382  |  Link
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AMD has a very limited point of view, just a basic decoding of 1 or 2 streams.
well i see no big problem in that if that would be the case.
but 140 mbit 60 hz HEVC should work and it doesn't...
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Old 21st November 2016, 13:36   #1383  |  Link
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Why should it work it depends on the bitstream complexity overall they haven't the power todo simple 8k complexity yet so nope it doesn't have to work

Based on this all my HEVC test should work fine on the Hybrid GM204 decoder but they fail at certain tools and their complexity
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Old 21st November 2016, 13:39   #1384  |  Link
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hardware decoder doesn't really care about bitstream complexity and 140 mbit HEVC isn't a lot higher than the UBD spec...
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Old 21st November 2016, 13:49   #1385  |  Link
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Ehh but you testing no conformant speced sample here that wont work and isn't a real use case it is a addition if it works under performing same as it is a addition that Nvidias Decoder can go much Higher and has a relatively big headroom even discrecte.

The most true real use case are WEB VOD (HDR),BD and UHDBD + HDR rest is bonus with a big focus on low latency Screen Game Recording and Decoding.

You don't know why AMD made this decisions so you have to understand them maybe they wanted to have more place for ACE, which makes perfectly sense in many use cases to put the decoder to lower priority for it

Anyway Huhn does that Sliced stream work on your UVD at normal DXVA playback conditions (not benchmarking) ?

http://forum.doom9.org/showthread.ph...39#post1786639
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Old 25th November 2016, 07:18   #1386  |  Link
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can i play HEVC 4k 60fps with GTX 1050ti using Full HD monitor HDMI 1.4

can i play HEVC 4k 60fps with GTX 1050ti using Full HD monitor HDMI 1.4 ?

i curious because not have 4k monitor with HDMI 2.0 port.
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Old 25th November 2016, 07:25   #1387  |  Link
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HDMI 1.4 supports FullHD up to 120 Hz/ fps so if you scale down 4K to Full HD you shouldn't have any problem.
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Old 25th November 2016, 08:25   #1388  |  Link
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HDMI 1.4 supports FullHD up to 120 Hz/ fps so if you scale down 4K to Full HD you shouldn't have any problem.
so prefer i buy gtx 1050ti or rx 460 for play HECV 4k 60fps perfectly ?
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Old 25th November 2016, 10:17   #1389  |  Link
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I will probably get a Sapphire Nitro+ RX 470 with 8GB VRAM in the next two weeks, so I will tell you for sure what is going on with Polaris HW decoder.
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Old 25th November 2016, 11:12   #1390  |  Link
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so prefer i buy gtx 1050ti or rx 460 for play HECV 4k 60fps perfectly ?
if you plan on buying an throw away UHD screen than get a card with 4Gb vram.
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Old 25th November 2016, 15:05   #1391  |  Link
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Btw Sonys Camp HDR Demo is also a 8 thread sliced Encode.

Should be also added as a Sliced Encode sample.

Sliced Encodes should be seperated for SMP Decoding tests though.
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Old 26th November 2016, 08:28   #1392  |  Link
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I will probably get a Sapphire Nitro+ RX 470 with 8GB VRAM in the next two weeks, so I will tell you for sure what is going on with Polaris HW decoder.
ok, thanks.
i'll waiting your review about Polaris HW Decoder.
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Old 26th November 2016, 15:21   #1393  |  Link
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@huhn

Btw did you tried Strongenes older non Polaris optimized OpenCL Decoder does it still work or does it falls back to CPU only Decoding ?
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Old 26th November 2016, 16:00   #1394  |  Link
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if you plan on buying an throw away UHD screen than get a card with 4Gb vram.
Why? 4GB is plenty of VRAM and I think we do not need this amount of memory when playing 4k videos unless playing the games in 4k res.
And, the best card is 1050 or 1050 ti currently. There are good advantages in 1050 over 1060 or AMD new cards, as you may know.

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Old 26th November 2016, 16:03   #1395  |  Link
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sorry reality looks different.

with my tests they need more than 2GB vram. if you want to make sure playback is smooth get 4GB.
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Old 26th November 2016, 16:45   #1396  |  Link
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@huhn

Btw did you tried Strongenes older non Polaris optimized OpenCL Decoder does it still work or does it falls back to CPU only Decoding ?
it's 32 bit only can only decode 8 bit. it is slower than my CPU in lavfilter. it isn't using openCL (i don't see GPU usages) for what ever reasons.

and most importantly it crashes when i try to open the filter settings.
the openCL version is from 2014...
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Old 26th November 2016, 20:06   #1397  |  Link
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What i expected for Polaris thx.
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Last edited by CruNcher; 26th November 2016 at 20:18.
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Old 27th November 2016, 09:03   #1398  |  Link
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The PureVideo VP8 decoder of Pascal GP107 (GTX 1050 & 1050Ti) has already added 10-bit VP9 HW decoding support!!!
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Old 27th November 2016, 11:04   #1399  |  Link
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Btw i wonder actually if the GP107 VPX again has more native decoding features then maybe the GP104 VPX in the Nvidia SDK its mentioned that Specific Features are again only available on Specific Cards only (They don't explicitly state which exactly yet where) and i guess they mean the 1050 GP107 VPX especially once again with that

So they maybe did it again and GP104/106 (1060,1070,1080) user have not the full capabilities of the 1050 GP107 VPX

Which then means we would see those features in Big Size first everywhere with GVxxx again including most probably AV1 support

We should take a closer look at

GP104 (1070/1080)
GP106 (1060)
GP107 (1050)

and if something there is maybe again Hybrid or this time even non existing at all

@wanezhiling

I guess this is what Nvidia stated in the SDK with Specific features only on specific Pascal Versions

the last released VPX get normally the most features Gxx06/Gxx07

and the previous rather Hybrid CUDA based solutions (and this is really interesting if you calculate the user reach and target and overall Performance Metrics of their Hybrid Decoder Research)

I wonder if the Mobile Versions actually derive from it or if it's the same there, though they already balanced some stuff on the 3D side different compared to the Desktop GPU so i wouldn't be surprised if the Mobile support looks different.


I almost was very surprised that it this time it wouldn't be the case but then i read the SDK List and saw those footnotes
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Last edited by CruNcher; 27th November 2016 at 12:35.
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Old 27th November 2016, 13:54   #1400  |  Link
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The PureVideo VP8 decoder of Pascal GP107 (GTX 1050 & 1050Ti) has already added 10-bit VP9 HW decoding support!!!
Amazing.

Cruncher is right.

From the figures it looks like Nvidia added a fixed-fuction decoder for VP9 10bit, in GP107 (1050/ 1050 Ti).

Of course Nvidia can surprise us and someone with a 1060 card someday finds out with the release of a new driver that VP9 10bit is enabled for those cards too.
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