[tbb-bugs] #22548 [Applications/Tor Browser]: Firefox downgrades VP9 videos to VP8 when measured performance is not enough

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Jan 17 08:56:53 UTC 2018


#22548: Firefox downgrades VP9 videos to VP8 when measured performance is not
enough
-------------------------------------------------+-------------------------
 Reporter:  cypherpunks                          |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  closed
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:  fixed
 Keywords:  tbb-fingerprinting,                  |  Actual Points:
  TorBrowserTeam201801R                          |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by gk):

 * status:  needs_review => closed
 * resolution:   => fixed


Comment:

 Replying to [comment:18 tom]:
 > Thanks for this work, I think once 1 is fixed, we should apply it. gk -
 do you want to backport the Mac hardcode in 3?

 Seems reasonable. We are back then to platform discrimination where we had
 possible user discrimination per platform before, so I think that's a win.
 I backported the fix to
 https://bugzilla.mozilla.org/show_bug.cgi?id=1403412 as well (assuming
 that was actually meant :) ).

 Both is available on `tor-browser-52.5.2esr-8.0-1` (commits
 9080c51a22a03aaf8e49d5552253ed716414c760 and
 deaabb54809b2de56b2b5ce98a0f629c1455fcf5) and the plan is to have it in
 the next alpha.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22548#comment:21>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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