[Bug 161783] New: exif autorotation on import should be backgrounded / pipelined

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[Bug 161783] New: exif autorotation on import should be backgrounded / pipelined

Bugzilla from avbidder+kde@fortytwo.ch
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http://bugs.kde.org/show_bug.cgi?id=161783         
           Summary: exif autorotation on import should be backgrounded /
                    pipelined
           Product: digikam
           Version: 0.9.3
          Platform: Debian testing
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel kde org
        ReportedBy: avbidder+kde fortytwo ch


Version:           0.9.3 (using KDE 3.5.9)
Installed from:    Debian testing/unstable Packages
OS:                Linux

Subject says it pretty much all.

Camera sits idle while autorotation is done, and CPU is idle while image is downloaded from camery.  1+1 = 2 :-)  Logical conclusion: batch the image downloads and immediately start up a background process doing the exif autorotation on all pictures already downloaded.

(Yet another think I should be writing code for when I only had the time ... :-)

(Yes, I know I can just switch off autorotation and batch it after via kipi.  But that's just ugly from a UI/Usability view, and I really like having the autoroation feature...  Autoration could even finish in the background, getting back to the GUI immediately after image import.  With an 8G CF card, image download takes a while, especially since on my machine EXIF rotation is even longer...)
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[Bug 161783] exif autorotation on import should be backgrounded / pipelined

Gilles Caulier-4
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caulier.gilles gmail com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |Camera GUI



------- Additional Comments From caulier.gilles gmail com  2008-05-27 14:44 -------
Adrian,

Autorotation is done in background using multithreading...

Gilles Caulier
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[Bug 161783] exif autorotation on import should be backgrounded / pipelined

Bugzilla from avbidder+kde@fortytwo.ch
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------- Additional Comments From avbidder+kde fortytwo ch  2008-05-27 16:04 -------
Cool.  In which version?
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[Bug 161783] exif autorotation on import should be backgrounded / pipelined

Gilles Caulier-4
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------- Additional Comments From caulier.gilles gmail com  2008-05-27 16:11 -------
Since 0.8.0 (:=)))

Gilles Caulier
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[Bug 161783] exif autorotation on import should be backgrounded / pipelined

Bugzilla from avbidder+kde@fortytwo.ch
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------- Additional Comments From avbidder+kde fortytwo ch  2008-05-27 16:15 -------
Not here.

Connect PTP camera.  Import pictures.  The following happens:  image is downloaded (activitiy led on camera flashes), then image is autorotated (while nothing happens on camera), next image is downloaded, next image is autorotated. etc.  takes ages for loads of images, and 50% CPU is idle and 50% USB link is idle.

No multithreading/backgrounding of any work is being done.
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