[Bug 237810] New: wrong date when renaming downloaded pictures

https://bugs.kde.org/show_bug.cgi?id=237810

           Summary: wrong date when renaming downloaded pictures
           Product: digikam
           Version: 1.1.0
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.1.0 (using KDE 4.3.5)
OS:                Linux
Installed from:    Gentoo Packages

Digikam 1.1.0
Camera: Canon Ixus 70

I'm downloading the pics from my camera via Digikam and automatically rename
them to their corresponding exif date, rename string is
"[date:yyyyMMdd-hhmmss]". Now I have the problem that the new name is one hour
in the future.
Example: Exif date is 20100516-120000, file name is 20100516-130000.jpg

Looks like I also found out the reason:
Living in Germany, we have summer and winter time (one hour difference). In the
camera you can also toggle summer time, which adds +1h to the time. Error
occurs only if summer time is switched on in camera, else not (even with same
picture).

Extended Example:
1. Camera Time 11:00h
2. Toggle summer time switch in camera: 12:00h
3. Take picture. Exif time displayed for picture on camera is 12:00h
4. Download picture with Digikam. Exif time still 12:00h, picture named as
13:00h

As the file contains the right exif time after downloading, I would say this is
a Digikam bug and not related to the camera, as Digikam also displays the right
exif information, but obviously does something wrong when renaming the file.

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                 CC|                            |[hidden email]
          Component|general                     |Camera GUI




--- Comment #1 from Gilles Caulier <caulier gilles gmail com>  2010-05-16 14:36:02 ---
Try again with last digiKam 1.2.0

Gilles Caulier

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--- Comment #2 from  <bugreports familie-becker eu>  2010-05-16 14:58:34 ---
1.2.0 is not yet included in Gentoo, not even as unstable. I will try as soon
as it is there.

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--- Comment #3 from PCB <bugreports familie-becker eu>  2010-07-17 19:08:56 ---
It has been a while... finally, 1.2.0 is included in the official Gentoo
repository. Installed, started, downloaded some pics from my camera, problem
still exists.

Although EXIF information clearly states that the pic was made at, e.g. 18:04h,
it is named xxxx-1904.jpg.

Yes, I know that Digikam 1.3.0 is already out there. Same problem as before,
not included in Gentoo yet. But I doubt that the bug was already fixed there.

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--- Comment #4 from Andi Clemens <andi clemens gmx net>  2010-10-01 22:52:32 ---
Hi,
can you provide us with an example image?
So that I can check the date token in the rename tool?

Andi

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--- Comment #5 from PCB <bugreports familie-becker eu>  2010-10-14 10:29:29 ---
Created an attachment (id=52502)
 --> (http://bugs.kde.org/attachment.cgi?id=52502)
Example Image

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--- Comment #6 from PCB <bugreports familie-becker eu>  2010-10-14 10:34:16 ---
Attached an example image, although i don't know if this will really help. The
file is as-is after downloading from the camera with digikam.

Rename string in Digikam was "[date:yyyyMMdd-hhmmss]".
Internal EXIF date is "2010:10:02 12:46:23".
File was renamed to "20101002-134623.JPG"

When examining the EXIF data in Digikam itself, it is displayed correctly, but
not in DKs own download dialog.

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--- Comment #7 from Andi Clemens <andi clemens gmx net>  2010-11-15 00:01:03 ---
Hm, I tested this and it worked for me. Can you test with the latest SVN
version, if possible?

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--- Comment #8 from PCB <bugreports familie-becker eu>  2010-11-15 12:18:10 ---
I wish I could... SVN-Digikam obviously doesn't like me...

I followed the instructions from
http://www.digikam.org/drupal/download?q=download/KDE4

But when calling cmake on the svn checkout of DK I get the following:
[...]
-- Found Kdcraw library in cache: /home/user/digikam/lib/libkdcraw.so
-- Found Kexiv2 library in cache: /home/user/digikam/lib/libkexiv2.so
-- Found Kipi library in cache: /home/user/digikam/lib/libkipi.so
[...]
-- checking for module 'libkdcraw>=1.1.0'
--   package 'libkdcraw>=1.1.0' not found
-- checking for module 'libkexiv2>=1.1.0'
--   package 'libkexiv2>=1.1.0' not found
[...]
--  libkexiv2 library found.................. NO
--
CMake Error at digikam/CMakeLists.txt:86 (MESSAGE):
   digiKam needs libkexiv2. You need to install the libkexiv2 (version >=
1.1.0) library development package.
[..]
--  libkdcraw library found.................. NO
--
CMake Error at digikam/CMakeLists.txt:86 (MESSAGE):
   digiKam needs libkdcraw. You need to install the libkdcraw (version >=
1.1.0) library development package.

Any ideas?

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--- Comment #9 from Andi Clemens <andi clemens gmx net>  2010-11-15 12:50:57 ---
You should also build these two libraries from SVN and install them, as
described in the above link you mentioned.

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--- Comment #10 from PCB <bugreports familie-becker eu>  2010-11-15 13:09:18 ---
Oh, I did, although in a sub-directory of my home dir. But, as seen above,
cmake did find them (/home/user/digikam/lib/libkexiv2.so) but is not happy
nevertheless.

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--- Comment #11 from Andi Clemens <andi clemens gmx net>  2010-11-15 13:15:02 ---
Hmm I don't know if this will work, without installing. I'd suggest to do a
backup of your system and then install the libs system-wide.

If it still doesn't work, try to remove the CMakeCache.txt file from the
digikam SVN folder and then recreate it by calling
'cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=/usr/
-DCMAKE_CXX_FLAGS=-pedantic -DCMAKE_C_FLAGS=-pedantic
-DCMAKE_BUILD_TYPE=debugfull'

or similar, depending on your needs.

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--- Comment #12 from PCB <bugreports familie-becker eu>  2010-11-15 14:52:44 ---
Ok, solved the local install compilation issues:
PKG_CONFIG_PATH=/home/user/digikam/lib/pkgconfig cmake
-DCMAKE_BUILD_TYPE=debugfull -DCMAKE_INSTALL_PREFIX=/home/user/digikam
-DCMAKE_LIBRARY_PATH=/home/user/digikam/lib
-DCMAKE_INCLUDE_PATH=/home/user/digikam/include -DCMAKE_CXX_FLAGS="-O0 -g"
-DCMAKE_C_FLAGS="-O0 -g" ..

Problem still persists, though:
File name    : 20101015-180906.JPG
File date    : 2010:10:15 18:09:06
Camera make  : Canon
Camera model : Canon DIGITAL IXUS 70
Date/Time    : 2010:10:15 17:09:06   <== this is the correct date and time
Tested verion of Digikam was: Version 1.6.0 (rev.: 1197241)

Can you give me a hint on where in the source I can find the code where it
determines the name when renaming pictures while downloading? Especially the
part where rename patterns like mine from above ([date:yyyyMMdd-hhmmss]) are
evaluated. Perhaps I can try to do a little debugging...

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--- Comment #13 from Gilles Caulier <caulier gilles gmail com>  2010-11-30 22:08:19 ---
Andi,

Do you see comment #12 from PCB ?

Gilles Caulier

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           What    |Removed                     |Added
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             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED




--- Comment #14 from Gilles Caulier <caulier gilles gmail com>  2011-08-04 14:31:52 ---
Same problem that https://bugs.kde.org/show_bug.cgi?id=229543#c3

Fixed in 2.1.0...

Gilles Caulier

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




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           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |2.1.0

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