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[Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

 

Not optimal but fun. I made the same silly mistake recently thinking
GIFs would be cool. But you lose colour depth (GIFs are indexed 256
colour at most) so get dithered, and the GIF files were bigger than the
original MP4s. Not clever, but fun.

GIFs have two significant advantages though:
  1. A longer history of support across many web browsers (decades); and
  2. They are temporally lossless, which is good for detail (although spatially lossy in colour).

I'm still a little shocked that GIFs still exist in this century...

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https://bugs.launchpad.net/bugs/1527315

Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  New

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop until oom takes out the app but thumbnailer is still stuck in it's loop so eventually the scopes are all taken out, At that point thumbnailer is stopped and the system returns to normal with the exception that there is now a black space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

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References