Thanks again Jiadi!

When I do:
SELECT default_character_set_name FROM information_schema.SCHEMATA WHERE schema_name = "eprints_db_name";

I get:
default_character_set_name: latin1

But when I do:
show table status from eprints_db_name;

I get:
Collation: utf8_general_ci

Knowing this, it enough for me to do the following?
ALTER DATABASE eprints_db_name CHARACTER SET utf8 COLLATE utf8_general_ci;

It seems that it would be quite time consuming to convert every single table in the EPrints DB one by one.

Actually I have never upgraded EPrints, I installed EPrints 3.3.12 through apt-get on Ubuntu Server 10.04 LTS and then transfered the DB and files to Ubuntu Server 12.04 LTS, when my VPS provider upgraded their systems. I followed this guide, I don't know if that is where the db confusion began.
http://wiki.eprints.org/w/Moving_a_repository

Thanks a lot for your help!

On 07-08-2014 11:42, Jiadi Yao wrote:

Hi Jacob,

This is to do with the encodings used by the database tables.

The latest version of eprints would create tables using UTF-8 encoding, but if you upgraded from an older version of eprints, you may still have the Latin encoding. UTF-8 characters will be messed up if you to save them into the a Latin encoding database table. 

To check the encoding:
SELECT default_character_set_name FROM information_schema.SCHEMATA WHERE schema_name = "eprints_db_name";

If it is not UTF-8, you will need to convert your database tables to UTF-8 encoding manually.  (http://stackoverflow.com/questions/6115612/how-to-convert-an-entire-mysql-database-characterset-and-collation-to-utf-8 )

Make sure you backup your database before doing so!


Best
Jiadi

On 07/08/2014 09:57, Jacob Wenzel wrote:

Perfect, it all works now.

I did notice s small bug related to UTF8 I guess.

If video file name contains special characters like "Æ, Ø, Å", no preview will be generated. But I guess that would be bad practice to do anyway.

Thanks a lot for helping me out!

Jacob.

On 05-08-2014 23:19, Jiadi Yao wrote:

Hi Jacob,

You first need to run

$ bin/epadmin redo_mime_type

then
$ bin/epadmin redo_thumbnails

Technical details : document.media_video_codec in the database needs to be valid before thumbnails are generated. This field is populated after a video file is upload when ffmpeg is installed, otherwise you need to redo_mime_type to back-fill those videos uploaded before installing ffmpeg.


Best
Jiadi

On 05/08/2014 18:56, Jacob Wenzel wrote:

Great!

I restarted apache and uploaded a video, and it now displays correctly with a thumbnail.

Now I only need to redo the ones I already uploaded.

I tried "bin/generate_abstracts" and "bin/epadmin redo_thumbnails [eprint id]" but neither had any effect.

What am I missing?

All the best
Jacob

On 05-08-2014 16:39, Jacob Wenzel wrote:

Thank you both!

I have done what Jiadi toild me to. Was that what you meant by configure ffmpeg seb?

If not, than what do I need to do now?

If yes, what is the correct step for me now? Restart apache and regenerate thumbnails?

I really appreciate your feedback!

/Jacob

On 05-08-2014 15:43, Jiadi Yao wrote:

After you installed ffmpeg, you'll need to changed the codec settings in Thumbnails.pm :

1. change  libfaac codec with libvo_aacenc
2. change  vorbis codec to libvorbis

as those codes are no longer supported by ffmpeg.

In addition, in lib/syscfg.d/invocations.pl
"-vpre default" parameter need to be removed


I'll update the github when I get a chance.

Best
Jiadi

On 05/08/2014 14:27, Sebastien Francois wrote:

Hi,

Yes - it's a core functionality: https://github.com/eprints/eprints/blob/3.3/perl_lib/EPrints/Plugin/Convert/Thumbnails.pm

Do you have ffmpeg set-up?

Seb.

On 05/08/14 13:50, Jacob Wenzel wrote:

Is it even possible to show image thumbnail previews of uploaded videos and images in EPrints 3.3.12?

I use coversheets and the youtube-dl packages from the Baza, which generates a thumbnail preview from PDFs or imports a screenshot from the video on Youtube and adds a link to the video.

But if I upload actual image files or videos, the file is depicted with and icon and no preview link is available.

I found some guides/plugins that promise to do this, but they all seem to be targeting different, older versions of EPrints, and I haven't been able to find recent ones.

Furthermore I would think that this was basic functionality that any user would want, so I don't why this functionality shouldn't be available "out the box".

This is the most recent document i have been able to find, but my "eprints_render" does not include the lines, that are mentioned in the guide, so I suspect is is targeting an older version.
http://wiki.eprints.org/w/How_to_Create_Cover_Images_in_EPrints_3

I also looked at PreviewPlus (only for older versions) and a few other links

Maybe my setup is wrong, but "epadmin test" shows "everything seems OK", so any help or pointers would be greatly appreciated. Where should I look, and how should I start.

Thank you all in advance!

--

Med venlig hilsen/Best regards

JACOB WENZEL
Projektleder

ENERGIAKADEMIET
Strandengen 1
8305 SAMSØ
+45 60 61 15 97
jw@energiakademiet.dk
www.energiakademiet.dk

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EPrints Services
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University of Southampton