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Melody666's avatar
Melody666
Copper Contributor
Sep 22, 2022

Bug: VP9 Hardware Decoding not working in builds 25201 and 25206 under Microsoft Edge

I've noticed that, starting with build 25201, VP9 Hardware Decoding does not work anymore in latest Microsoft Edge (didn't test Microsoft Edge Beta). H.264 decoding works fine, though. I'm using NVIDIA 525.26 drivers on a NVIDIA GeForce RTX 2070. Hardware Decoding of VP9 content works perfectly fine in the Windows 11 Movies app. Reinstalling the drivers doesn't work.

  • Reza_Ameri's avatar
    Reza_Ameri
    Silver Contributor
    Try open start and search for feedback and open the Feedback Hub app and report this issue.
    • Cloud0310's avatar
      Cloud0310
      Copper Contributor

      Same issue in release 25247.1000. Tried to restart edge and reinstall/ update driver. And the device have had RTX 3060 laptop with support for VP9 decode (12bit 8192*8192 resolution), with MS Store vp9 decoder extentions installed, also don't automatically use av1 codec in youtube.

      Tried with Firefox v106.5 and it uses av1 automatically with hardware decode enabled, working just as predicted.

      • Cloud0310's avatar
        Cloud0310
        Copper Contributor
        Command Line: C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --flag-switches-begin --enable-quic --enable-smooth-scrolling --enable-features=HardwareSecureDecryptionFallback,ParallelDownloading,msOverlayScrollbarWinStyle,msVisualRejuvMaterialsMenu,msVisualRejuvMica,msVisualRejuvRoundedTabs --flag-switches-end

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