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On 2015-08-28T12:24:45+00:00 Hkz85825915 wrote:

Dolphin used to have ffmpegthumbnail and mplayerthumbnail which are useful for 
generating video Thumbnails with "Preview" turned on. 
However after upgrading Dolphin to 15.08, it does not, even not in settings 
list. 

Reproducible: Always

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/0

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On 2015-08-28T18:38:30+00:00 U-kail-k wrote:

Same here (Archlinux).

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/1

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On 2015-08-29T19:08:01+00:00 Frank78ac wrote:

Thanks for the bug report.

(In reply to hkz85825915 from comment #0)
> Dolphin used to have ffmpegthumbnail and mplayerthumbnail

No, Dolphin never had them, nor did Dolphin ever have any thumbnailers,
or Preview plugins, at all. All these plugins are provided by other
packages, which are then used not only by Dolphin, but also by the file
dialog, Folder View, and others, to generate thumbnails.

Maybe ffmpegthumbs and mplayerthumbs are not ported to Qt5/KF5 yet?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/2

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On 2015-08-30T08:13:27+00:00 Sam Rog wrote:

The ffmpegthumbs has been ported to the Qt5/KF5 - KDE review:
https://git.reviewboard.kde.org/r/118545/ .

The problem seems to be that the ffmpegthumbs master branch is still for
the KDE4 and the KDE Applications 15.08 was releasing the ffmpegthumbs
from the master.

For the Arch there is an option to use the KF5 version:
https://bbs.archlinux.org/viewtopic.php?id=201484 .

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/3

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On 2015-08-30T12:05:42+00:00 Albert Astals Cid wrote:

Did the dolphin people think about this when deciding to do a KF5
release?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/4

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On 2015-08-30T12:57:26+00:00 Sam Rog wrote:

Same kind of (missing plugins):
https://bugs.kde.org/show_bug.cgi?id=351913

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/5

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On 2015-08-30T20:32:29+00:00 Frank78ac wrote:

(In reply to Albert Astals Cid from comment #4)
> Did the dolphin people think about this when deciding to do a KF5 release?

I think it's quite obvious that nobody thought about this.

We all agree that thinking more about this and some other aspects of the
file management infrastructure would have been good, but I'm not sure if
blaming just those who work on Dolphin makes much sense. Considering
that the same infrastructure has been used for quite some time by
Plasma's Folder View and by some applications that need a file dialog
and that had their first KF5/Qt5-based release earlier than Dolphin, I
think that it was not entirely unreasonable to assume that the worst KDE
SC 4.x -> KF5 transition issues were already resolved or being worked on
and discussed in public.

Now, with the benefit of hindsight, it seems obvious that the KF5-based
preview plugins (which exist since last year, thanks for the links,
Rog131) should have been released as soon as possible in addition to the
KDE SC 4.x-based ones (which are still needed until all applications are
KF5-based).

I guess the lesson to learn from this is that the dependencies between
different packages should be analyzed in much more detail if another
transition like this one, where everything is ported and released at its
own pace and in different groups (frameworks, applications and
workpspace), happens in the future. Moreover, one should not feel too
safe if the software that is built by kdesrc-build seems to work fine,
because it builds a lot of stuff which is either not released yet, or
might never be released (like lib/konq in kde-baseapps). The same
applies to the packages made from git checkouts which distros made
(thankfully!) available to those who were willing to test KF5-based apps
early.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/6

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On 2015-08-31T06:59:15+00:00 U-kail-k wrote:

> We all agree that thinking more about this and some other aspects of
the file management infrastructure would have been good, but I'm not
sure if blaming just those who work on Dolphin makes much sense.

Agreed! Any chance to help with this? (no KDE dev experience yet)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/7

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On 2015-08-31T08:05:17+00:00 Harald Sitter wrote:

It appears to me that ffmpeg primarily needs someone to maintain it? I
am not sure releasing something that isn't maintained, as it were, is
something I can appreciate.

That being said. What needs to happen is:
- merge frameworks into master
- i18n freeze (assuming there are strings anyway?)
- do a standalone beta
- do a standalone release
- pick up for applications 15.12 release moving forward.

Also, I think the discussion about how to prevent future screw ups like
this ought to be moved to the release-team mailing list as this is
really a global issue of how we track runtime dependencies (right now:
the lack thereof).

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/8

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On 2015-09-03T10:28:05+00:00 Cfeck wrote:

*** Bug 352199 has been marked as a duplicate of this bug. ***

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/9

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On 2015-09-03T17:48:12+00:00 Ryan Babchishin wrote:

Is there a work around for Ubuntu?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/10

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On 2015-09-03T19:58:14+00:00 Sam Rog wrote:

"Is there a work around for Ubuntu?"

You could add a bug report to the Ubuntu - Something like ' Please
package the framework version of the thumbnail plugins'.

or/and

Simply grab the source and compile it - Kubuntu Forums:
https://www.kubuntuforums.net/showthread.php?32568-Video-
Previews&p=367642&viewfull=1#post367642

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/11

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On 2015-10-27T10:59:11+00:00 Cfeck wrote:

*** Bug 354334 has been marked as a duplicate of this bug. ***

Reply at:
https://bugs.launchpad.net/ubuntu/+source/dolphin/+bug/1505014/comments/15


** Changed in: dolphin
   Importance: Unknown => Low

** Bug watch added: KDE Bug Tracking System #351913
   https://bugs.kde.org/show_bug.cgi?id=351913

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  dolphin doesn't load video thumbnail services

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