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Netflix and Intel to Deploy AV1 CODEC For Content Streaming
At The National Association of Broadcasters Show today, Intel and Netflix announced a new high-performance video codec that is available as open source and royalty-free to content creators, developers and service providers. Scalable Video Technology for AV1 (SVT-AV1) offers performance and scalability in video processing.
AV1 is a royalty-free codec and offers improved compression compared to vp9 or hevc, the video bandwidth reduction can run upwards to 30 to 40 percent, without you seeing a difference. The best thing yet, this is a royalty-free model.
Modernization of video software codecs for increased efficiency will help deliver rich user experiences and reach global scale, accelerating time to market and lowering costs for developers and service providers. SVT-AV1 is a software-based scalable codec offering the best trade-offs among performance, latency and visual quality when working with visual cloud workloads. SVT-AV1 performance advantages are based on the SVT architecture, which is a cohesive and highly optimized codec architecture that already has delivered multiple generations of codecs, including SVT-HEVC, SVT-VP9 and SVT-AV1. The new SVT-AV1 codec is unique in that it allows encoders to scale their performance levels based on the quality and latency requirements of the target applications — ranging from highest quality video on demand (VOD) to livestreaming use cases. The high-quality encoding and decoding in SVT-AV1 will enable developers working with visual cloud workloads to get them to market faster. The codec is optimized for video encoding on Intel Xeon Scalable processors.
What Netflix Says: “The SVT-AV1 collaboration with Intel brings an alternative AV1 solution to the open-source community, enabling more rapid AV1 algorithm development and spurring innovation for next-generation video-compression technology,” said David Ronca, director of Encoding Technologies, Netflix.
Even More News: In addition, Intel launched the Open Visual Cloud, an open-source project that includes a set of use case-optimized reference pipelines for visual workloads. These developer-ready pipelines are based on open-source media, artificial intelligence (AI) and graphics software ingredients. They support the most popular open-source frameworks that developers are familiar with. SVT, the OpenVINO™ Toolkit and the Intel® Rendering Framework are all part of the Open Visual Cloud, bringing highly optimized open source encode/decode, inference and graphics together as an interoperable reference for services innovation. The first two pipelines enable services for content delivery network (CDN) transcode VOD streaming and intelligent ad insertion.
Intel will demonstrate cloud graphics and immersive media pipelines in development at NAB. Additional reference pipelines will be released on a quarterly basis.
How You Access It: The SVT-AV1 codec is available under a permissive BSD+Patent license, which will make it easy to adopt and commercialize. Developers can access SVT-AV1 at 01.org/OpenVisualCloud/svt. The Open Visual Cloud reference pipelines and building blocks for encode/decode, inference and render can be found on 01.org/OpenVisualCloud.
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Fox2232
Senior Member
Posts: 11808
Joined: 2012-07-20
Senior Member
Posts: 11808
Joined: 2012-07-20
#5658654 Posted on: 04/10/2019 12:50 PM
no hes not, and the bottom results are decoding.
won't be any gpu's able to decode this in a while, and its hard on cpu's.Decode is never really hard.
Please clarify where I am not right.
VLC Nightly build Ryzen 2700X: All 4K Playback samples (8.5/13.9/22.7mbps):
CPU utilization across all cores around 12~20%, clock hovers around 3.4~3.7GHz. Smooth, problem free playback.
Thank You for understanding thing or two.
= = = =
Then I went and started to limit available CPU cores. Minimum defect free playback was 2C/4T or 3C/3T configuration where CPU had to clock up to 4.0~4.15GHz.
FYI this means that current entry level APU like Ryzen 2200G will decode 4K AV1 w/o problems. And decoders are still far from being fully optimized. (Will get better.)
no hes not, and the bottom results are decoding.
won't be any gpu's able to decode this in a while, and its hard on cpu's.Decode is never really hard.
Please clarify where I am not right.
VLC Nightly build Ryzen 2700X: All 4K Playback samples (8.5/13.9/22.7mbps):
CPU utilization across all cores around 12~20%, clock hovers around 3.4~3.7GHz. Smooth, problem free playback.
Thank You for understanding thing or two.
= = = =
Then I went and started to limit available CPU cores. Minimum defect free playback was 2C/4T or 3C/3T configuration where CPU had to clock up to 4.0~4.15GHz.
FYI this means that current entry level APU like Ryzen 2200G will decode 4K AV1 w/o problems. And decoders are still far from being fully optimized. (Will get better.)
schmidtbag
Senior Member
Posts: 7153
Joined: 2012-11-10
Senior Member
Posts: 7153
Joined: 2012-11-10
#5658712 Posted on: 04/10/2019 04:01 PM
He clearly states he's using encoding in that article. It's literally written above the charts...
The bottom 2 results are decode but not for SVT-AV1. Also, there doesn't appear to be any major performance issues there. Fox2232 basically said how video decode isn't that CPU intensive, which you disagreed with. The 2 decode charts in that article seem to suggest CPU decode performance is fine.
If you want to argue that decoding is only single-threaded, the developer of DAV1D even commented to say that isn't true.
no hes not, and the bottom results are decoding.
He clearly states he's using encoding in that article. It's literally written above the charts...
The bottom 2 results are decode but not for SVT-AV1. Also, there doesn't appear to be any major performance issues there. Fox2232 basically said how video decode isn't that CPU intensive, which you disagreed with. The 2 decode charts in that article seem to suggest CPU decode performance is fine.
If you want to argue that decoding is only single-threaded, the developer of DAV1D even commented to say that isn't true.
Fox2232
Senior Member
Posts: 11808
Joined: 2012-07-20
Senior Member
Posts: 11808
Joined: 2012-07-20
#5658764 Posted on: 04/10/2019 05:55 PM
MPC 1.8.6 is also using dav1d implementation. (since LAV 0.74.1 is using it)
Theoneofgod and I are seeing a non negligible GPU load with MPC. Do you see the same with VLC (I suppose you are under Linux)?
Not in VLC. GPU stays @450MHz and utilization spikes in between 0 and ~30%. I would say that's rather low.
In comparison to VLC decoding 4K VP9 where GPU utilization stays at 0% it is difference, but considering that GPU does not even leave lowest power state...
MPC 1.8.6 is also using dav1d implementation. (since LAV 0.74.1 is using it)
Theoneofgod and I are seeing a non negligible GPU load with MPC. Do you see the same with VLC (I suppose you are under Linux)?
Not in VLC. GPU stays @450MHz and utilization spikes in between 0 and ~30%. I would say that's rather low.
In comparison to VLC decoding 4K VP9 where GPU utilization stays at 0% it is difference, but considering that GPU does not even leave lowest power state...
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Senior Member
Posts: 14955
Joined: 2018-03-21
The article you linked to is ENcoding... Encoding is always substantially slower. Intel's AV1 decoder isn't yet available, as the header of this article clearly states.
Fox2232 is right: decoding doesn't take that much CPU power. Even a crappy ARM CPU can decode 4K videos above 30FPS.
no hes not, and the bottom results are decoding.