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Sarah Szabo
Asked: 2017-05-24 18:39:04 +0800 CST

How to Enable Ubuntu KDE Dolphin to Preview Audio Thumbnails?

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I've noticed that Ubuntu 16.04 running KDE's Dolphin file manager is not able to preview audio thumbnails for some reason. I'm not certain why, and I've checked the Configure Dolphin -> General -> Previews -> File Types, and Audio is not listed as a supported type (It doesn't appear at all) Is there some way I can fix this? I interact with audio and am religious about tagging them with pictures and it kind of sucks not being able to see the thumbnails.

Note: I've seen https://www.linux-apps.com/content/show.php?content=114885, but a lot of people were saying that it didn't work, and it doesn't appear to be the same version of KDE that I'm running.

Edit 0: After following the cmake instructions, I got this error wen trying to run make: make command

16.04

1 Answers

  1. Best Answer

    KDE preview thumbnail

    The KDE applications can show a thumbnail for a file if there is a thumb creator plugin installed for the file type. After installation the plugin need to be enabled from the application settings.

    KDE Frameworks 5 / Plasma 5 / Applications

    Current KDE is released as three projects: Frameworks, Plasma and KDE Application. Release schedules: https://community.kde.org/Schedules

    Application and the Framework version can be looked at the application help. With the Dolphin: Dolphin > Control > Help > About Dolphin:

    enter image description here

    Audio thumbnailers

    KDE4: https://www.linux-apps.com/content/show.php?content=114885

    KF5 (KDE Frameworks 5):

    A build example with the Debian based: https://www.kubuntuforums.net/showthread.php?t=32568&page=5&p=390275&viewfull=1#post390275

    Copy of the build/installation example:

    Downloading the audiothumbs-frameworks-master.zip

    audiothumbs-frameworks: https://github.com/eplightning/audiothumbs-frameworks

    enter image description here

    Unpacking the audiothumbs-frameworks-master.zip

    Installing build dependencies:

    • build-essential
    • cmake
    • extra-cmake-modules
    • kio-dev
    • libflac++-dev
    • libtag1-dev

    Compiling and installing:

    Generic commands:

    mkdir -p builddir
cd builddir && cmake .. -DCMAKE_INSTALL_PREFIX=$(kf5-config --prefix) -DCMAKE_BUILD_TYPE=Release -DKDE_INSTALL_USE_QT_SYS_PATHS=ON
make
sudo make install

    Example:

    $ mkdir -p builddir


$ cd builddir && cmake .. -DCMAKE_INSTALL_PREFIX=$(kf5-config --prefix) -DCMAKE_BUILD_TYPE=Release -DKDE_INSTALL_USE_QT_SYS_PATHS=ON
-- The C compiler identification is GNU 5.4.0
-- The CXX compiler identification is GNU 5.4.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Looking for __GLIBC__
-- Looking for __GLIBC__ - found
-- Performing Test _OFFT_IS_64BIT
-- Performing Test _OFFT_IS_64BIT - Success
-- TagLib found: -L/usr/lib/x86_64-linux-gnu -ltag
-- FLAC++ found: /usr/lib/x86_64-linux-gnu/libFLAC++.so;/usr/lib/x86_64-linux-gnu/libFLAC.so
-- Performing Test FLAC_STREAMMETADATA_OPERATOR_FOUND
-- Performing Test FLAC_STREAMMETADATA_OPERATOR_FOUND - Success
-- Performing Test FLAC_METADATA_PICTURE_FOUND
-- Performing Test FLAC_METADATA_PICTURE_FOUND - Success
-- Configuring done
-- Generating done
-- Build files have been written to: /home/rog131/tmp/audiothumbs-frameworks-master/builddir


$ make
Scanning dependencies of target AudioThumbs_automoc
[ 25%] Automatic moc for target AudioThumbs
Generating moc_AudioThumbs.cpp
[ 25%] Built target AudioThumbs_automoc
Scanning dependencies of target AudioThumbs
[ 50%] Building CXX object src/CMakeFiles/AudioThumbs.dir/AudioThumbs.cpp.o
[ 75%] Building CXX object src/CMakeFiles/AudioThumbs.dir/AudioThumbs_automoc.cpp.o
[100%] Linking CXX shared module AudioThumbs.so
[100%] Built target AudioThumbs

$ sudo make install                                                                  
[ 25%] Automatic moc for target AudioThumbs
[ 25%] Built target AudioThumbs_automoc
[100%] Built target AudioThumbs
Install the project...
-- Install configuration: "Release"
-- Installing: /usr/lib/x86_64-linux-gnu/qt5/plugins/AudioThumbs.so
-- Installing: /usr/share/kservices5/AudioThumbs.desktop

    Part of the official KDE release:

    The audio thumbnailer is released as part of the KDE Applications 17.04 or later: https://git.reviewboard.kde.org/r/129985/ .

    Audio thumbnailer is part of the kio-extras. Ubuntu packages: https://packages.ubuntu.com/search?keywords=kio-extras&searchon=names&suite=all&section=all

    Possible backported packages

    Kubuntu is offering backports: http://www.kubuntu.org -> http://www.kubuntu.org/news/

    enter image description here

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