Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -15,12 +15,14 @@
 find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS Core Gui)
 find_package(KF5 REQUIRED COMPONENTS KIO I18n Config)
 find_package(FFmpeg COMPONENTS AVCODEC AVFORMAT SWSCALE)
+find_package(Taglib)
 
 include_directories(
     ${CMAKE_CURRENT_BINARY_DIR}
     ${PC_AVCODEC_INCLUDEDIR}
     ${PC_AVFORMAT_INCLUDEDIR}
     ${FFMPEG_INCLUDE_DIR}
+    ${TAGLIB_INCLUDES}
     )
 
 # Certain versions of FFMPEG need this to be defined
@@ -39,7 +41,7 @@
 kconfig_add_kcfg_files(ffmpegthumbs_PART_SRCS ffmpegthumbnailersettings5.kcfgc)
 add_library(ffmpegthumbs MODULE ${ffmpegthumbs_PART_SRCS})
 
-target_link_libraries(ffmpegthumbs Qt5::Core Qt5::Gui KF5::KIOWidgets KF5::KIOCore KF5::I18n KF5::ConfigCore KF5::ConfigGui ${AVUTIL_LIBRARIES} ${AVFILTER_LIBRARIES} ${AVFORMAT_LIBRARIES} ${AVCODEC_LIBRARIES} ${SWSCALE_LIBRARIES} )
+target_link_libraries(ffmpegthumbs Qt5::Core Qt5::Gui KF5::KIOWidgets KF5::KIOCore KF5::I18n KF5::ConfigCore KF5::ConfigGui ${AVUTIL_LIBRARIES} ${AVFILTER_LIBRARIES} ${AVFORMAT_LIBRARIES} ${AVCODEC_LIBRARIES} ${SWSCALE_LIBRARIES} ${TAGLIB_LIBRARIES} )
 
 install(FILES ffmpegthumbnailersettings5.kcfg DESTINATION ${KCFG_INSTALL_DIR})
 install(TARGETS ffmpegthumbs DESTINATION ${PLUGIN_INSTALL_DIR})
Index: cmake/FindTaglib.cmake
===================================================================
--- /dev/null
+++ cmake/FindTaglib.cmake
@@ -0,0 +1,93 @@
+# - Try to find the Taglib library
+# Once done this will define
+#
+#  TAGLIB_FOUND - system has the taglib library
+#  TAGLIB_INCLUDES - the taglib includes
+#  TAGLIB_LIBRARIES - The libraries needed to use taglib
+
+# Copyright (c) 2006, Laurent Montel, <montel@kde.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. Neither the name of the University nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+if(NOT TAGLIB_MIN_VERSION)
+  set(TAGLIB_MIN_VERSION "1.4")
+endif(NOT TAGLIB_MIN_VERSION)
+
+if(NOT WIN32)
+    find_program(TAGLIBCONFIG_EXECUTABLE NAMES taglib-config PATHS
+       ${BIN_INSTALL_DIR}
+    )
+endif(NOT WIN32)
+
+#reset vars
+set(TAGLIB_LIBRARIES)
+set(TAGLIB_CFLAGS)
+
+# if taglib-config has been found
+if(TAGLIBCONFIG_EXECUTABLE)
+
+  exec_program(${TAGLIBCONFIG_EXECUTABLE} ARGS --version RETURN_VALUE _return_VALUE OUTPUT_VARIABLE TAGLIB_VERSION)
+
+  exec_program(${TAGLIBCONFIG_EXECUTABLE} ARGS --libs RETURN_VALUE _return_VALUE OUTPUT_VARIABLE TAGLIB_LIBRARIES)
+
+  exec_program(${TAGLIBCONFIG_EXECUTABLE} ARGS --cflags RETURN_VALUE _return_VALUE OUTPUT_VARIABLE TAGLIB_CFLAGS)
+
+  # Assume software will include by things like #include <taglib/tfile.h> instead of <tfile.h>
+  string(REPLACE "/taglib" "" TAGLIB_STRIPPED_INCLUDE_PATHS "${TAGLIB_CFLAGS}")
+  string(REGEX REPLACE " *-I" ";" TAGLIB_INCLUDES "${TAGLIB_STRIPPED_INCLUDE_PATHS}")
+
+  include(FindPackageHandleStandardArgs)
+  find_package_handle_standard_args(Taglib FOUND_VAR TAGLIB_FOUND
+                                    REQUIRED_VARS TAGLIB_LIBRARIES TAGLIB_INCLUDES
+                                    VERSION_VAR TAGLIB_VERSION)
+  mark_as_advanced(TAGLIB_CFLAGS TAGLIB_LIBRARIES TAGLIB_INCLUDES)
+
+else(TAGLIBCONFIG_EXECUTABLE)
+
+  include(FindPackageHandleStandardArgs)
+
+  # To avoid issues, make the same assumption as above:
+  # Assume software will include by things like #include <taglib/tfile.h> instead of <tfile.h>
+  find_path(TAGLIB_INCLUDES
+    NAMES
+    taglib/tag.h
+    PATHS
+    ${INCLUDE_INSTALL_DIR}
+  )
+
+  # TODO: this originally used find_library_with_debug(),
+  # which is only available with KDELibs4Support, with
+  # arguments "WIN32_DEBUG_POSTFIX d".  It is equivalent
+  # to find_library on all platforms other than Win32.
+  find_library(TAGLIB_LIBRARIES
+    NAMES tag
+    PATHS
+    ${LIB_INSTALL_DIR}
+  )
+
+  include(FindPackageHandleStandardArgs)
+  find_package_handle_standard_args(Taglib DEFAULT_MSG
+                                    TAGLIB_INCLUDES TAGLIB_LIBRARIES)
+endif(TAGLIBCONFIG_EXECUTABLE)
Index: ffmpegthumbnailer.cpp
===================================================================
--- ffmpegthumbnailer.cpp
+++ ffmpegthumbnailer.cpp
@@ -1,4 +1,5 @@
 //    Copyright (C) 2010 Dirk Vanden Boer <dirk.vdb@gmail.com>
+//    Copyright (C) 2019 Heiko Schäfer <heiko@rangun.de>
 //
 //    This program is free software; you can redistribute it and/or modify
 //    it under the terms of the GNU General Public License as published by
@@ -17,6 +18,8 @@
 #include "ffmpegthumbnailer.h"
 #include "ffmpegthumbnailersettings5.h"
 
+#include <taglib/mp4file.h>
+
 #include <QImage>
 #include <QCheckBox>
 #include <KLocalizedString>
@@ -44,6 +47,24 @@
 
 bool FFMpegThumbnailer::create(const QString& path, int width, int /*height*/, QImage& img)
 {
+    TagLib::MP4::File f(path.toStdString().c_str(), false);
+
+    if (f.isValid()) {
+
+        TagLib::MP4::Tag* tag = f.tag();
+        TagLib::MP4::ItemListMap itemsListMap = tag->itemListMap();
+        TagLib::MP4::Item coverItem = itemsListMap["covr"];
+        TagLib::MP4::CoverArtList coverArtList = coverItem.toCoverArtList();
+
+        if (!coverArtList.isEmpty()) {
+            TagLib::MP4::CoverArt coverArt = coverArtList.front();
+            img.loadFromData((const uchar *)coverArt.data().data(),
+                         coverArt.data().size());
+
+            if (!img.isNull()) return true;
+        }
+    }
+
     m_Thumbnailer.setThumbnailSize(width);
     // 20% seek inside the video to generate the preview
     m_Thumbnailer.setSeekPercentage(20);
Index: tests/CMakeLists.txt
===================================================================
--- tests/CMakeLists.txt
+++ tests/CMakeLists.txt
@@ -20,7 +20,7 @@
 
 add_executable(ffmpegthumbtest ${ffmpegthumbtest_SRCS} )
 
-target_link_libraries(ffmpegthumbtest Qt5::Core Qt5::Gui KF5::KIOWidgets KF5::KIOCore KF5::I18n KF5::ConfigCore KF5::ConfigGui ${AVUTIL_LIBRARIES} ${AVFILTER_LIBRARIES} ${AVFORMAT_LIBRARIES} ${AVCODEC_LIBRARIES} ${SWSCALE_LIBRARIES})
+target_link_libraries(ffmpegthumbtest Qt5::Core Qt5::Gui KF5::KIOWidgets KF5::KIOCore KF5::I18n KF5::ConfigCore KF5::ConfigGui ${AVUTIL_LIBRARIES} ${AVFILTER_LIBRARIES} ${AVFORMAT_LIBRARIES} ${AVCODEC_LIBRARIES} ${SWSCALE_LIBRARIES} ${TAGLIB_LIBRARIES})