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Eloston avatar Eloston commented on June 21, 2024 1

@xsmile I see. In that case, we can just set chrome://flags/#disable-accelerated-video-decode to be enabled disabled by default. Once VP9 decoding is fixed, we can disable enable it by default again.

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Eloston avatar Eloston commented on June 21, 2024 1

I decided not to implement a fix for this issue in 74 since a good solution would be more involved than I thought it would be, and I'm hoping Debian will come up with a fix for this. Instead, please just set chrome://flags/#disable-accelerated-video-decode to Disabled manually.

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xsmile avatar xsmile commented on June 21, 2024

No issues here with an Intel HD 4000, however it doesn't accelerate VP9 decoding.

I found similar reports for Arch Linux and Fedora:
https://aur.archlinux.org/packages/chromium-vaapi/
https://bugzilla.redhat.com/show_bug.cgi?id=1694651

It might be better to reintroduce the old behavior and keep VA-API available, but disabled by default.

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riyad avatar riyad commented on June 21, 2024

Tested on Ubuntu 18.10 (cosmic) with Intel HD 620 integrated graphics.

  • In a Gnome-Wayland session both videos work.
  • In a Gnome X11 session the VP8 video works, but the VP9 video is broken as described above. Disabling the "Hardware-accelerated video decode" flag indeed makes it work again.

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Eloston avatar Eloston commented on June 21, 2024

@riyad Thanks for testing.

@xsmile

It might be better to reintroduce the old behavior and keep VA-API available, but disabled by default.

Could you clarify what you mean by "old behavior"?

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xsmile avatar xsmile commented on June 21, 2024

@Eloston The current patch [1] enables hardware acceleration by default, whereas the previous variant [2] - which isn't compatible to the current Chromium version anymore - requires users to explicitly enable several flags first.

1: https://salsa.debian.org/chromium-team/chromium/blob/master/debian/patches/fixes/vaapi.patch
2: https://chromium-review.googlesource.com/c/chromium/src/+/532294

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riyad avatar riyad commented on June 21, 2024

I just tested a prebuild of mine on Ubuntu 19.04 (disco):

  • In a Gnome-Wayland session both videos work with both settings.
  • In a Gnome X11 session disabling the "Hardware-accelerated video decode" breaks the VP9 video. When enabled both videos play fine. 🙃

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