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Hardware Video Decoding not working for Intel Quick Sync Video (QSV) on Windows 11

  • 3 wótegrona
  • 1 ma toś ten problem
  • 1 naglěd
  • Slědne wótegrono wót qwqdragon

qwqdragon
qwqdragon
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Hi, I've recently noticed that Firefox is not using Intel Graphics for hardware video decoding, here are the specifics:

- I tested this on two separate PC - one laptop with dual GPU (an Intel UHD 630 and NVIDIA GTX 1070) and one desktop with dGPU removed (leaving only an Intel UHD 630 by i7-9700K), on both PC I made sure to run Firefox on Intel GPU only. - According to information I gathered online, Intel UHD 630 should support H264 decoding and VP9 decoding without any problem. - I tested videos from Youtube (VP9, non-HDR video) and Twitch (avc/h264 video) - The exact same video, when played on Microsoft Edge (Chromium), uses Intel's hardware decoder without any problem. - On the dual GPU laptop, when being forced to run on NVIDIA's GPU, Firefox correctly uses the NVDEC decoder without any problem. - Both PC uses the latest Intel driver (30.0.101.1191)

I have attached copies from about:support page below.

In Firefox settings, under General -> Performance section, I have left "Use recommended settings" checkbox on.

Could someone help?

Hi, I've recently noticed that Firefox is not using Intel Graphics for hardware video decoding, here are the specifics: - I tested this on two separate PC - one laptop with dual GPU (an Intel UHD 630 and NVIDIA GTX 1070) and one desktop with dGPU removed (leaving only an Intel UHD 630 by i7-9700K), on both PC I made sure to run Firefox on Intel GPU only. - According to information I gathered online, Intel UHD 630 should support H264 decoding and VP9 decoding without any problem. - I tested videos from Youtube (VP9, non-HDR video) and Twitch (avc/h264 video) - The exact same video, when played on Microsoft Edge (Chromium), uses Intel's hardware decoder without any problem. - On the dual GPU laptop, when being forced to run on NVIDIA's GPU, Firefox correctly uses the NVDEC decoder without any problem. - Both PC uses the latest Intel driver (30.0.101.1191) I have attached copies from about:support page below. In Firefox settings, under General -> Performance section, I have left "Use recommended settings" checkbox on. Could someone help?

Wubrane rozwězanje

Hi TyDraniu, sorry I didn't see the reply.

But the problem seems to be fixed in Firefox 100. All hardware decoding works correctly now.

Thanks!

Toś to wótegrono w konteksće cytaś 👍 0

Wšykne wótegrona (3)

qwqdragon
qwqdragon Pšašaŕ
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Sorry, somehow the diagnostic data is not showing, here is the copy: https://drive.google.com/file/d/13EkP7Dl9J-ZpXEZd3kOSnNNF_xCKGHWi/view?usp=sharing

Wót qwqdragon změnjony

TyDraniu
TyDraniu
  • Top 25 Contributor
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Hi, can you create an issue on the https://bugzilla.mozilla.org/enter_bug.cgi ?

Please go back with a bug URL. Thanks.

qwqdragon
qwqdragon Pšašaŕ
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Wubrane rozwězanje

Hi TyDraniu, sorry I didn't see the reply.

But the problem seems to be fixed in Firefox 100. All hardware decoding works correctly now.

Thanks!