touch-packages team mailing list archive

[Timo Jyrinki <timo.jyrinki@xxxxxxxxxxxxx>]

QtDeclarative part in the overlay PPA now.

---
qtdeclarative-opensource-src (5.4.1-1ubuntu7) vivid; urgency=medium

  * debian/patches/Add-QQuickAsyncImageProvider.patch:
    - Backport QQuickAsyncImageProvider (LP: #1439263) (LP: #1425043)
  * debian/patches/Always-remove-reply-from-replies-when-processing-can.patch:
    - Drop, replaced by the new patch.

 -- Timo Jyrinki <timo-jyrinki@xxxxxxxxxx>  Tue, 28 Apr 2015 08:50:56 +0000
---


** Changed in: qtdeclarative-opensource-src (Ubuntu)
       Status: In Progress => Fix Released

-- 
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src in Ubuntu.
https://bugs.launchpad.net/bugs/1439263

Title:
  Backport QQuickAsyncImageProvider from upstream-dev

Status in qtdeclarative-opensource-src package in Ubuntu:
  Fix Released
Status in thumbnailer package in Ubuntu:
  Confirmed

Bug description:
  In Qt <= 5.5 there is exactly one thread that handles loading of
  images that come from custom image providers, this means that if a
  given image provider is very slow it will block the rest of image
  providers.

  Qt 5.6 introduces QQuickAsyncImageProvider that is a job based API
  that allows the custom image providers to run threads on their side,
  this way they won't block other requests.

  By backporting QQuickAsyncImageProvider we can solve
  https://bugs.launchpad.net/thumbnailer/+bug/1425043 by making the
  thumbnailer have a "slow" thread for thumbnails that it needs to do
  and a "fast" one for thumbnails that are already done as shown by the
  proof of concept implementation at
  https://code.launchpad.net/~aacid/thumbnailer/asyncprovider/+merge/253188

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