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Firefox 68.0.1 YouTube HDR problem

  • 1 baphendule
  • 2 zinale nkinga
  • Igcine ukuphendulwa ngu cmusicfan

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Firefox 68 thinks that I have an HDR equipment and I have to watch HDR versions of differnet youtube videos instead of SDR.

Video links:

This is an example, this glitch happens with every HDR bt2020 video. Edge and Chrome show SRD versions of videos as it should be.

This is Youtube info in Firefox 68.0.1: Codecs vp09. (337) / opus (251) Color smpte2084 (PQ) / bt2020

And this is youtube info for Edge: Codecs vp9 (272) / opus (251) Color bt709 / bt709

As you can see - different color profiles. I have no HDR monitor. Windows 10 HDR settings are grayed out. I have tested Firefox 68.0.1 on Windows 7 with old and slow NVIDIA card and on Windows 7 with middle-level AMD Radeon. Results are the same: Firefox shows HDR versions of the videos.

Btw: the problem in gone if I use Firefox 67.0.4. But problem remains in current Firefox Beta and Nightly. Also I have faced this problem in Firefox 68 for Android: it forces me to watch HDR versions of videos, while my smartprone has SDR screen. I ve got latest video drivers for my GTX1060_6GB. I have cleared profile, cleared cache, reinstalled Firefox, ran Firefox in safe mode. Nothing helped. I still forced to watch HDR videos on SDR equipment.

Okulungisiwe ngu Sergey

All Replies (1)

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I have this same issue, except I can see it happen with my own videos. I am grading and uploading HDR videos to YouTube. They display properly on various devices and applications, except Firefox. I have described the issue clearly in this video:

Firefox gets the HDR version of a YouTube video when it should have the SDR version. I have gone through a round of support emails with YouTube and they specifically stated that it is a browser issue and not a YouTube issue. I suspect Firefox is somehow telling YouTube that it can handle HDR signals, so that's what YouTube is sending.

Firefox needs to fix this because I am telling viewers to use another browser.