Apps & Software

AV1 Hardware Accelerated Video on Windows 10

This fall, Microsoft’s hardware partners are rolling out hardware accelerated AV1 video support on new Windows 10 systems with the latest GPUs. With video consuming an ever-increasing portion of the world’s internet traffic, better compression technology helps to improve video image quality while also reducing bandwidth consumption. AV1, which is developed by the Alliance for Open Media (AOM), can reach 50% better compression than H.264 and 20% better than VP9 for the same video content. Enabling hardware support for AV1 allows users to get the benefits of this improved video codec, and shifting decode work from software to hardware typically reduces power consumption and increases battery life on mobile devices.

Microsoft co-founded AOM with the goal of creating transformative, , open-source video codecs together with other leading technology companies.

Here are the components required to experience hardware accelerated AV1 video on Windows 10:


Once you have those pieces in place, you will see the benefits of hardware accelerated AV1 video as streaming services roll out more video content encoded with AV1.

If you want to look under the hood to see when you are receiving AV1, some streaming services have ways to show this information. For example, on YouTube you can right-click on the video and select “Stats for nerds”. When the video is AV1 encoded, you will see “av01…” in the “Codecs” line on the stats overlay.

To learn even more about AV1, check out AOM’s get started page. There is an open source AV1 decoder implementation, dav1d, developed by VideoLAN and FFmpeg and sponsored by AOM. Windows media developers who are using DirectX may want to look at the AV1 support in DirectX Video Acceleration (DXVA).

Source: Microsoft Tech Community


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