diff --git a/multimedia/mkvtoolnix/README b/multimedia/mkvtoolnix/README
new file mode 100644
index 0000000000..2cb5bec4db
--- /dev/null
+++ b/multimedia/mkvtoolnix/README
@@ -0,0 +1,10 @@
+MKVToolnix is a set of tools to create, alter and inspect Matroska
+files. With these tools one can get information about  (mkvinfo)
+Matroska files, extract tracks/data from (mkvextract) Matroska
+files and create (mkvmerge) Matroska files from other media files.
+Matroska is a new multimedia file format aiming to become THE new 
+container format for the future. 
+
+Beyond dependencies already satisfied under Slackware MKVToolnix
+requires libebml, libmatroska, wxGTK and the Boost regex library. 
+All of these are available on Slackbuilds.org.
diff --git a/multimedia/mkvtoolnix/doinst.sh b/multimedia/mkvtoolnix/doinst.sh
new file mode 100644
index 0000000000..3857649f50
--- /dev/null
+++ b/multimedia/mkvtoolnix/doinst.sh
@@ -0,0 +1,3 @@
+if [ -x /usr/bin/update-desktop-database ]; then
+  /usr/bin/update-desktop-database -q usr/share/applications &> /dev/null
+fi
diff --git a/multimedia/mkvtoolnix/mkvinfo.desktop b/multimedia/mkvtoolnix/mkvinfo.desktop
new file mode 100644
index 0000000000..f00277e34d
--- /dev/null
+++ b/multimedia/mkvtoolnix/mkvinfo.desktop
@@ -0,0 +1,8 @@
+[Desktop Entry]
+Name=MKVInfo Gui
+Comment=Show information about Matroska files
+Exec=mkvinfo -g
+Terminal=false
+Type=Application
+Categories=GTK;AudioVideo;
+Icon=matroska
diff --git a/multimedia/mkvtoolnix/mkvtoolnix.SlackBuild b/multimedia/mkvtoolnix/mkvtoolnix.SlackBuild
new file mode 100644
index 0000000000..571da8ab4c
--- /dev/null
+++ b/multimedia/mkvtoolnix/mkvtoolnix.SlackBuild
@@ -0,0 +1,108 @@
+#!/bin/sh
+
+# Slackware 12 build script for mkvtoolnix
+
+# Copyright 2008-2009  Andrew Strong  (http://www.andrews-corner.org)
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''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 AUTHOR 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.
+
+
+PRGNAM=mkvtoolnix
+VERSION=2.4.0
+ARCH=${ARCH:-i486}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i486" ]; then
+  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+fi
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $PRGNAM-$VERSION
+tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2
+cd $PRGNAM-$VERSION
+
+chown -R root:root .
+find . \
+ \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
+ -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
+ -exec chmod 644 {} \;
+
+CFLAGS="$SLKCFLAGS" \
+CXXFLAGS="$SLKCFLAGS" \
+./configure \
+  --prefix=/usr \
+  --sysconfdir=/etc \
+  --mandir=/usr/man \
+  --localstatedir=/var \
+  --enable-gui \
+  --enable-wxwidgets \
+  --with-boost
+
+make
+make install DESTDIR=$PKG
+
+# The gui 'mmg' does not come with a desktop file so we add one:
+
+mkdir -p $PKG/usr/share/applications
+cat $CWD/mmg.desktop > $PKG/usr/share/applications/mmg.desktop
+mkdir -p $PKG/usr/share/pixmaps
+cp src/mmg/matroskalogo.xpm $PKG/usr/share/pixmaps/
+
+# The gui 'mkvinfo' does not come with a desktop file so we add one:
+
+cat $CWD/mkvinfo.desktop > $PKG/usr/share/applications/mkvinfo.desktop
+cp src/info/matroska.xpm $PKG/usr/share/pixmaps/
+
+# Placing the documentation:
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a AUTHORS COPYING ChangeLog INSTALL README doc/mkvmerge-gui.html $PKG/usr/doc/$PRGNAM-$VERSION
+
+( cd $PKG
+  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
+)
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+cat $CWD/doinst.sh > $PKG/install/doinst.sh
+
+( cd $PKG/usr/man
+  find . -type f -exec gzip -9 {} \;
+  for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
+)
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz
diff --git a/multimedia/mkvtoolnix/mkvtoolnix.info b/multimedia/mkvtoolnix/mkvtoolnix.info
new file mode 100644
index 0000000000..6df40d2ae0
--- /dev/null
+++ b/multimedia/mkvtoolnix/mkvtoolnix.info
@@ -0,0 +1,8 @@
+PRGNAM="mkvtoolnix"
+VERSION="2.4.0"
+HOMEPAGE="http://www.bunkus.org/videotools/mkvtoolnix"
+DOWNLOAD="http://www.bunkus.org/videotools/mkvtoolnix/sources/mkvtoolnix-2.4.0.tar.bz2"
+MD5SUM="125a6305de16236754d7554fa5b597cf"
+MAINTAINER="Andrew Strong"
+EMAIL="andrew.david.45@gmail.com"
+APPROVED="Erik Hanson"
diff --git a/multimedia/mkvtoolnix/mmg.desktop b/multimedia/mkvtoolnix/mmg.desktop
new file mode 100644
index 0000000000..ff6fb827ee
--- /dev/null
+++ b/multimedia/mkvtoolnix/mmg.desktop
@@ -0,0 +1,8 @@
+[Desktop Entry]
+Name=MKVMerge Gui
+Comment=Merge multiple media streams into a Matroska file
+Exec=mmg
+Terminal=false
+Type=Application
+Categories=GTK;AudioVideo;
+Icon=matroskalogo
diff --git a/multimedia/mkvtoolnix/slack-desc b/multimedia/mkvtoolnix/slack-desc
new file mode 100644
index 0000000000..6236add011
--- /dev/null
+++ b/multimedia/mkvtoolnix/slack-desc
@@ -0,0 +1,19 @@
+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.  Line
+# up the first '|' above the ':' following the base package name, and the '|'
+# on the right side marks the last column you can put a character in.  You must
+# make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':'.
+
+          |-----handy-ruler----------------------------------------------------|
+mkvtoolnix: Mkvtoolnix (tools to create, alter and inspect Matroska files)
+mkvtoolnix:
+mkvtoolnix: MKVToolnix is a set of tools to create, alter and inspect Matroska
+mkvtoolnix: files. With these tools one can get information about  (mkvinfo)
+mkvtoolnix: Matroska files, extract tracks/data from (mkvextract) Matroska
+mkvtoolnix: files and create (mkvmerge) Matroska files from other media files.
+mkvtoolnix:  Matroska is a new multimedia file format aiming to become THE new 
+mkvtoolnix: container format for the future. 
+mkvtoolnix: 
+mkvtoolnix:    Home Page: http://www.bunkus.org/videotools/mkvtoolnix
+mkvtoolnix: