Digikam simple digital photo management application developer mailing list

Andreas Huggel | 1 Dec 2006 04:09

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Re: JPEG2000 support...

On Wednesday 29 November 2006 19:12, Gilles Caulier wrote:
> JPEG 2000 support EXIF and XMP metadata. I hope than JPEG2000 can be
> added to the picture file format supported by Exiv2 library.
>
> Andreas, can you give me your viewpoint about it ?

Quick answer, this should be just another Image subclass. Depending on 
how different the file format is from what we already have, it will 
take more or less effort to implement. (Did a brief search but couldn't 
find a good description of the format, most sites talk about the image 
data compression, which Exiv2 would simply skip).

-ahu.

Gilles Caulier | 1 Dec 2006 07:28

Re: JPEG2000 support...

On Friday 01 December 2006 04:09, Andreas Huggel wrote:
> On Wednesday 29 November 2006 19:12, Gilles Caulier wrote:
> > JPEG 2000 support EXIF and XMP metadata. I hope than JPEG2000 can be
> > added to the picture file format supported by Exiv2 library.
> >
> > Andreas, can you give me your viewpoint about it ?
>
> Quick answer, this should be just another Image subclass. Depending on
> how different the file format is from what we already have, it will
> take more or less effort to implement. (Did a brief search but couldn't
> find a good description of the format, most sites talk about the image
> data compression, which Exiv2 would simply skip).
>
> -ahu.

Just my investiguations : look in recent Exiftool source code, it support Exif 
extraction from JPEG 2000.

Also, i'm looking to support in native PSD file format in digiKam (photoshop) 
witch support EXIF, IPTC and XMP. This one is very used by photograph, and 
i'm sure that it will be very important to give an Exiv2 support it in the 
future. Your viewpoint ?

Gilles

Gilles Caulier | 1 Dec 2006 07:33

Re: JPEG2000 support...

On Wednesday 29 November 2006 12:47, Fabien wrote:
> Hm, great!
> Is there any digital camera with native jpeg2000 support ?

I think no. Perhaps in the future.. To have take a look into Jasper source 
code, i have seen that encoding algorithm require a lots of CPU ressources. 
In fact more than JPEG.

I suspect 2 problems with JPEG 2000 algorithm :

- it require high CPU speed.
- The gain with low compression ratio is not sugnifiant than JPEG

This is why camera do not use it actually. Perhaps in the future the embeded 
CPU used in DSC will be more powerfull for that.

It more easy by maker to implement a fast JPEG encoder or a RAW file format 
(witch is uncompressed). First use in 8 bits color depth, second 16 bits.

Gilles

Gilles Caulier | 1 Dec 2006 07:44

[Bug 131947] DigiKam complains about invalid ICC profiles path

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http://bugs.kde.org/show_bug.cgi?id=131947         

------- Additional Comments From caulier.gilles kdemail net  2006-12-01 07:44 -------
ok, this is the problem :

[Color Management]
BPCAlgorithm=false
BehaviourICC=false
CMInRawLoading=false
DefaultPath=$HOME/Desktop/icc
EnableCM=true
InProfile=0
InProfileFile=

==> there is no ICC file set like Input profile !

ManagedView=true
MonitorProfile=4
MonitorProfileFile=$HOME/Desktop/icc/Monitor Gamma 2.2.icc
ProofProfile=11
ProofProfileFile=$HOME/Desktop/icc/fsnEnduraSupraGlossyV2.icc
RenderingIntent=0
WorkProfileFile=/usr/share/apps/digikam/profiles/srgb.icm
WorkSpaceProfile=7

Normally it's impossible to use CM without an input ICC profile.

(Continue reading)

Sapaka GADEW | 1 Dec 2006 10:04

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[Bug 138200] New: WISH : Display all pictures when no tag is selected instead of no picture

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http://bugs.kde.org/show_bug.cgi?id=138200         
           Summary: WISH : Display all pictures when no tag is selected
                    instead of no picture
           Product: digikam
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel kde org
        ReportedBy: ryfe.972 gmail com

Version:            (using KDE KDE 3.5.5)
Installed from:    Ubuntu Packages
OS:                Linux

Hello everybody,

When I open Digikam, I would like to see ALL my pictures (actually all the thumbnails) in the main board
instead of juste a blank giant field with nothing visible.

In other words, when NO tag is selected, I would really appreciate to have all my pictures Digikam actually
manages (ranked in chronological order or the contrary).

I don't know if that's what is meant here and I hope my wish is compatible with this one.

(Continue reading)

Sapaka GADEW | 1 Dec 2006 10:08

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[Bug 134389] WISH: Sort images by date - even when spanning albums

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http://bugs.kde.org/show_bug.cgi?id=134389         

------- Additional Comments From ryfe.972 gmail com  2006-12-01 10:08 -------
Hello everybody,

I realized I didn't understand well this wish report. So my first Additionnal comment is irrelevant.

I opened a new wish to express what I meant :
Bug 138200 : http://bugs.kde.org/show_bug.cgi?id=138200

Sorry.
Have a good day

Sapaka

Gilles Caulier | 1 Dec 2006 10:58

[Bug 131947] DigiKam complains about invalid ICC profiles path

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You are the assignee for the bug, or are watching the assignee.

http://bugs.kde.org/show_bug.cgi?id=131947         

------- Additional Comments From caulier.gilles kdemail net  2006-12-01 10:58 -------
Ok, i can reproduce the problem here... now... I will fix it.

Gilles

Andreas Huggel | 1 Dec 2006 12:07

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Re: JPEG2000 support...

On Friday 01 December 2006 14:28, Gilles Caulier wrote:
> Also, i'm looking to support in native PSD file format in digiKam
> (photoshop) witch support EXIF, IPTC and XMP. This one is very used
> by photograph, and i'm sure that it will be very important to give an
> Exiv2 support it in the future. Your viewpoint ?
>
Yes, I think PSD format should have higher priority. 
-ahu.

Dik Takken | 1 Dec 2006 12:58

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[Bug 131947] DigiKam complains about invalid ICC profiles path

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You are the assignee for the bug, or are watching the assignee.

http://bugs.kde.org/show_bug.cgi?id=131947         

------- Additional Comments From d.h.j.takken phys uu nl  2006-12-01 12:58 -------
I don't have an input profile for my camera, or any other input profile for testing. So I had to leave it blank.

Thanks for looking into the problem!

Gilles Caulier | 1 Dec 2006 13:01

[Bug 131947] DigiKam complains about invalid ICC profiles path

------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.

http://bugs.kde.org/show_bug.cgi?id=131947         

------- Additional Comments From caulier.gilles kdemail net  2006-12-01 13:01 -------
Are you working with JPEG or RAW files ?

Witch bits color depth you use to decode RAW files ? 8 or 16 ?

Gilles

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Recent entries

Fwd: New Defects reported by Coverity Scan for digiKam (21 May 2013)
Review Request 110559: Button for resetting curve in RAW import tool (20 May 2013)
[digikam] [Bug 320049] New: libkdcraw is crashing on decoding some sig (20 May 2013)
[digikam] [Bug 320039] New: EXIF will be lost if user tries to convert (20 May 2013)
[digikam] [Bug 320029] New: Digikam crash - Map (19 May 2013)
[digikam] [Bug 320016] New: Full-screen options are not applied after (19 May 2013)
[showfoto] [Bug 163293] Only generate thumbnail when needed [patch] (19 May 2013)
[digikam] [Bug 319985] New: Creating a tag produces an error: puting t (18 May 2013)
[digikam] [Bug 319948] New: Crash after saving modified picture (17 May 2013)
[showfoto] [Bug 163293] Only generate thumbnail when needed [patch] (17 May 2013)
[showfoto] [Bug 163293] Only generate thumbnail when needed [patch] (17 May 2013)
[digikam] [Bug 319921] New: Audio files not shown in any of the views (16 May 2013)
[digikam] [Bug 319892] New: cannot delete selected files in album view (16 May 2013)
[digikam] [Bug 319882] New: Crash when stitching a panorama (15 May 2013)
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[showfoto] [Bug 163293] Only generate thumbnail when needed [patch] (14 May 2013)
[showfoto] [Bug 163293] Only generate thumbnail when needed [patch] (14 May 2013)
[showfoto] [Bug 163293] Only generate thumbnail when needed [patch] (14 May 2013)

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