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YouTube HTML5 videos are choppy in Windows 10

Posted

Disabling hardware acceleration addresses the issue. Does not repro if I play them in IE or Chrome on the same machine.

Disabling hardware acceleration addresses the issue. Does not repro if I play them in IE or Chrome on the same machine.

Chosen solution

hi kop48, until windows 10 is still in an early pre-release state right now there might be all sorts of issues since drivers and software are not optimized yet. since there will still be lot of changes, i'm not sure if it would even be helpful to file a firefox bug at this stage...

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Additional System Details

Installed Plug-ins

  • Google Update
  • The plugin allows you to have a better experience with Microsoft Lync
  • The plugin allows you to have a better experience with Microsoft SharePoint
  • Shockwave Flash 16.0 r0
  • 5.1.30514.0

Application

  • Firefox 36.0
  • User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:36.0) Gecko/20100101 Firefox/36.0
  • Support URL: https://support.mozilla.org/1/firefox/36.0/WINNT/en-US/

Extensions

  • 1Password 4.2.5 (onepassword4@agilebits.com)
  • Adblock Plus 2.6.7 ({d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d})

Javascript

  • incrementalGCEnabled: True

Graphics

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  • adapterRAM: Unknown
  • adapterRAM2:
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  • adapterSubsysID2:
  • adapterVendorID: 0x8086
  • adapterVendorID2:
  • direct2DEnabled: True
  • directWriteEnabled: True
  • directWriteVersion: 10.0.9926.0
  • driverDate: 1-5-2015
  • driverDate2:
  • driverVersion: 10.18.15.4079
  • driverVersion2:
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  • isGPU2Active: False
  • numAcceleratedWindows: 1
  • numTotalWindows: 1
  • webglRenderer: Google Inc. -- ANGLE (Intel(R) HD Graphics Family Direct3D9Ex vs_3_0 ps_3_0)
  • windowLayerManagerRemote: True
  • windowLayerManagerType: Direct3D 11

Modified Preferences

Misc

  • User JS: No
  • Accessibility: Yes
philipp
  • Top 25 Contributor
  • Moderator
5323 solutions 23507 answers

Chosen Solution

hi kop48, until windows 10 is still in an early pre-release state right now there might be all sorts of issues since drivers and software are not optimized yet. since there will still be lot of changes, i'm not sure if it would even be helpful to file a firefox bug at this stage...

hi kop48, until windows 10 is still in an early pre-release state right now there might be all sorts of issues since drivers and software are not optimized yet. since there will still be lot of changes, i'm not sure if it would even be helpful to file a firefox bug at this stage...

Helpful Reply

Actually, now is the perfect time to file bugs - that's the whole point of the Technical Preview!

Actually, now is the perfect time to file bugs - that's the whole point of the Technical Preview!
philipp
  • Top 25 Contributor
  • Moderator
5323 solutions 23507 answers

Helpful Reply

this might be the case for bugs filed against windows. however as long as the environment is still unstable and constantly changing (that's until windows 10 goes into release preview), it doesn't make sense for mozilla to invest resources to fix "bugs" that might go away anyway as the win10 development progresses further - an example for that would be bug #1089188...

this might be the case for bugs filed against windows. however as long as the environment is still unstable and constantly changing (that's until windows 10 goes into release preview), it doesn't make sense for mozilla to invest resources to fix "bugs" that might go away anyway as the win10 development progresses further - an example for that would be bug #1089188...

Question owner

It makes sense for Mozilla to invest some time in an OS that many millions of people will be upgrading to, albeit I can understand having to wait until developer documentation is released so that Firefox devs can troubleshoot effectively. :)

Regardless, I've filed the bug with Microsoft - it might just be an Intel driver problem, as the issue isn't happening on my other machine with an NVidia GPU.

It makes sense for Mozilla to invest some time in an OS that many millions of people will be upgrading to, albeit I can understand having to wait until developer documentation is released so that Firefox devs can troubleshoot effectively. :) Regardless, I've filed the bug with Microsoft - it might just be an Intel driver problem, as the issue isn't happening on my other machine with an NVidia GPU.