** Changed in: canonical-devices-system-image
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1460993
Title:
Gallery requesting multiple video thumbnails when opening photo
Status in Canonical System Image:
Fix Released
Status in gallery-app package in Ubuntu:
Fix Released
Bug description:
I just took two short videos and four photos on the phone. When I look
at the events page in the gallery app, I see thumbnails for the these
just fine. I'm also tracing the requests that are made to the
thumbnailer. When I tap on one of the photos, I see the following
requests fired at the thumbnailer all at once (within one or two
tenths of a second):
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(216, 216)
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(216, -1)
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(231, 0)
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(256, 0)
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(291, 0)
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(341, 0)
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(402, 0)
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(477, 0)
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(558, 0)
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(657, 0)
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(768, 0)
Create thumbnail for
"/home/phablet/Pictures/com.ubuntu.camera/image20150602_073643136.jpg" at size
QSize(768, 1222)
This is horribly wasteful because the app retrieves the same image a
dozen times. But, worse, we will cache thumbnailer in twelve different
sizes for that same single image because we are being asked for a
different size each time.
Also note that requests with width or height < 0 are interpreted to
mean "as large as possible". The second request above consequently
causes the image to be cached in its full size (unless it's larger
than 1920, in which case we limit it to 1920x1920 bounding box).
Something seems definitely wrong here. The multiple requests are
wasteful, and the different sizes mean that the cache is far less
effective than it could be.
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