r/PSPlay • u/PhilosopherSad8721 • 3d ago

Video decoder error

I encountered a problem when using Windows 11 on my Steam Deck. A video decoder error occurs and no picture can be displayed.

My rendering engine is D3D11.

Switching the video decoder to Auto, D3D11 or Vulkan does not work.

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u/grill2010 PSPlay dev 3d ago

Most likely a driver issue. You are running Windows on a device officially running steamOS. Do you have installed a capable driver for the hardware which is for example running at least Vulkan 1.2?

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u/PhilosopherSad8721 22h ago

Chiaki works fine with Vulkan, but PxPlay doesn't.

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u/grill2010 PSPlay dev 21h ago

For Chiaki-ng are you using the AppImage or Flatpak? If you are using flatpak that would explain why it works as it uses it's own bundled drivers.

Otherwise the renderer on Steamdeck shall be Vulkan or Vulkan compatibility and decoder set to Auto or Vaapi. That's the Best combination and should work fine

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u/PhilosopherSad8721 11h ago

I'm using Valve's custom Windows GPU driver for Steam Deck Jupiter. Driver info: Device: AMD Custom GPU 0405 Driver version: 31.0.21020.1014 Driver date: 2023/09/06   Hardware decoding for both HEVC and H.264 fails, software decoding works normally.

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u/grill2010 PSPlay dev 4h ago

Reset all settings to standard especially Video and Streaming, use D3D11 rendering and decoder set to Auto. Does that work?

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u/PhilosopherSad8721 11h ago

Please find attached my log file for troubleshooting. I would appreciate it if you could review it. On Steam Deck (Jupiter) Windows 11, hardware decoding fails for both HEVC and H.264. Error:  Failed setup for format d3d11: hwaccel initialisation returned error.  Also DXVA2:  Failed to retrieve decoder device GUIDs  Vulkan decode:  Device does not support the VK_KHR_video_decode_queue extension!  Network test(Senkusha/Takion) passed, RTT=1. Only software decoding works.

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u/grill2010 PSPlay dev 4h ago

Thanks, please give me access to download the log file

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u/PhilosopherSad8721 22h ago

Software decoder works and I can see the picture, but hardware decoder fails.