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Re: [tor-bugs] #29120 [Applications/Tor Browser]: Default value of media.cache_size (0) causes some media to load extremely slowly or become unplayable



#29120: Default value of media.cache_size (0) causes some media to load extremely
slowly or become unplayable
-------------------------------------------------+-------------------------
 Reporter:  QZw2aBQoPyuEVXYVlBps                 |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  new
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-disk-leak, tbb-usability-        |  Actual Points:
  website                                        |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by QZw2aBQoPyuEVXYVlBps):

 As a preliminary test, I replaced https://hg.mozilla.org/releases/mozilla-
 esr60/file/256453759958ed9c2eb17a0764d2fcfd7f8e3323/dom/media/MediaCache.cpp#l758
 with
 {{{RefPtr<MediaBlockCacheBase> bc = new MemoryBlockCache(8192000);}}}

 This seems to work correctly from my brief testing and fixes both bugs in
 this ticket (the odd media loading behavior and the disk leaking).

 I have only done a small amount of investigation into how the media
 caching code works, so it's likely this requires a closer look, but I
 believe it's a decent starting point.

 I will attached a patch if anyone else would like to test for themselves
 or look into this further.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29120#comment:4>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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