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vrbangers.com - Video is not displayed even if audio works #66224

Closed webcompat-bot closed 2 years ago

webcompat-bot commented 3 years ago

URL: https://vrbangers.com/video/stolen-directors-cut/

Browser / Version: Firefox Mobile 81.0 Operating System: Android 10 Tested Another Browser: No

Problem type: Video or audio doesn't play Description: There is no video Steps to Reproduce:

Browser Configuration
  • gfx.webrender.all: false
  • gfx.webrender.blob-images: true
  • gfx.webrender.enabled: false
  • image.mem.shared: true
  • buildID: 20200804091327
  • channel: nightly
  • hasTouchScreen: true

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softvision-oana-arbuzov commented 3 years ago

Thanks for the report, I was able to reproduce the issue. Audio works but video doesn't. image

Note: The issue is not reproducible on Chrome.

Tested with: Browser / Version: Firefox Nightly 210124 (🦎 86.0a1-20210122101755) Operating System: Samsung Galaxy S8 (Android 9) - 1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density)

Moving to Needsdiagnosis for further investigation.

wisniewskit commented 3 years ago

There is some console spam about their initial attempt to autoplay being blocked:

Uncaught (in promise) DOMException: The fetching process for the media resource was aborted by the user agent at the user's request.

Autoplay is only allowed when approved by the user, the site is activated by the user, or media is muted.

Uncaught (in promise) DOMException: The play method is not allowed by the user agent or the platform in the current context, possibly because the user denied permission.

And once I manually play the video, I only see these warnings:

WebGL warning: tex(Sub)Image[23]D: Resource has no data (yet?). Uploading zeros.

All of these go away when I allow autoplay while on Wifi and try again, but the canvas element still renders nothing. And unfortunately I cannot use the remote debugger right now, as its UI is completely broken, so I'm stuck here. @denschub, maybe the Fx remote debugger works for you? I was going to hope that pausing on caught exceptions might yield a clue...

karlcow commented 3 years ago

@wisniewskit @denschub This is definitely webVR stuff.

denschub commented 2 years ago

As per an internal discussion, I'll close this as WONTFIX for now. At this time, the WebCompat team does not have the capabilities or bandwidth to handle those issues effectively. I do, however, encourage everyone reading this to report Firefox Reality-related issues at https://github.com/MozillaReality/FirefoxReality :)