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IDProjectCategoryView StatusDate SubmittedLast Update
0000148KdenliveMLTpublic2008-07-15 19:452009-06-20 01:22
Assigned To 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
Summary0000148: File Filters are Incorrect
DescriptionWhen creating a slideshow from a series of pictures the JPEG file filter is listed as "*.JPG". This is incorrect specifically for JPEG's as "*.JPEG" is also a valid filter (it is in fact the "proper" extension). This is incorrect in general as file-filters are a Windows-only concoction and make little or no sense on a Linux system where fingerprinting and MIME types are used to identify a file's format.

Therefore, proper design requires that file filters should only suggest a file listing - not restrict a user to that list.
Additional InformationCompiled on Gentoo.
Same additional info as issue 0000145.
TagsNo tags attached.
Build/Install Method(select)
Attached Files

- Relationships
related to 0000327closedGranjow Add clip file dialogue filter missing *.flv 
related to 0001701closedddennedy Tif/Tiff slideshow clip 

-  Notes
madsdyd (administrator)
2008-09-26 17:54

Update on this bug:


ffmpeg revision 15426
mlt revision 1182
mlt++ revision 1182
kdenlive revision 2413

The filter now identifies both jpeg and jpg in any case (including e.g. JPeG), but fingerprinting does not appear to work.

There is still no option for the user to provide his own extension.

Note to developers: I have acknowledged this issue, because I believe it deserves to be either confirmed, or closed (wont-fix).
administrator (administrator)
2008-09-28 02:04

This is an MLT issue. Currently, the MLT image producers (qimage and pixbuf) can only recognise image lists based on a wildcard (*.jpg).

I modified Kdenlive to be consistent with that (do not show *.jpeg anymore).

This issue requires some work on MLT image producers. We could either try to implement a mimetype detection in MLT or add a feature to pass a list of files to the image producers, so that the mime filtering could be done by Kdenlive (easy to implement)...

Keep this issue open, let's hope someone finds time to work on it.
madsdyd (administrator)
2008-10-23 21:49

Moving issue to version 0.7.1 - I don't think anyone will be able to work on it for Kdenlive 0.7.0 (requires work on MLT).
ddennedy (developer)
2008-11-09 03:10

Re: "fingerprinting and MIME types are used to identify a file's format"
According to whom? Where except by the 'find' utility? What does KDE do?

File extensions are still prevalent because they are extremely pragmatic. I am not opposed to improving the system beyond file extension matching as long as it does not considerably degrade performance.
ddennedy (developer)
2008-11-13 18:46

In response to myself, I am thinking shared-mime-info is the way to go: [^]

- Issue History
Date Modified Username Field Change
2008-07-15 19:45 Kaboosh New Issue
2008-09-26 17:54 madsdyd Note Added: 0000267
2008-09-26 17:54 madsdyd Status new => acknowledged
2008-09-28 02:04 administrator Note Added: 0000289
2008-10-23 00:26 madsdyd Target Version => 0.7.0
2008-10-23 21:49 madsdyd Note Added: 0000642
2008-10-23 21:49 madsdyd Target Version 0.7.0 => 0.7.1
2008-11-09 03:10 ddennedy Note Added: 0000945
2008-11-09 15:17 madsdyd Relationship added related to 0000327
2008-11-13 18:46 ddennedy Note Added: 0001174
2008-11-17 20:54 madsdyd Target Version 0.7.1 => future version
2009-06-03 08:28 ddennedy Build/Install Method => (select)
2009-06-03 08:28 ddennedy Severity major => feature
2009-06-20 01:22 administrator Category User Interface => MLT
2010-07-30 00:42 j-b-m Relationship added related to 0001701

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