diff --git a/CMakeLists.txt b/CMakeLists.txt
index 07cae5d..b9ac5a3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,7 +23,7 @@ include_directories(${Qt5Gui_PRIVATE_INCLUDE_DIRS})
 
 set(SOURCES
 	src/main.cpp
-    src/mpvobject.cpp
+    src/MpvPlayerBackend.cpp
     src/filesavedialog.cpp
     src/fileopendialog.cpp
 )
diff --git a/KittehPlayer.pro b/KittehPlayer.pro
index 45b5cf6..6b6810a 100644
--- a/KittehPlayer.pro
+++ b/KittehPlayer.pro
@@ -2,7 +2,7 @@ TARGET = KittehPlayer
 
 TEMPLATE = app
 QT += qml quickcontrols2 widgets core-private gui-private
-SOURCES += src/main.cpp src/mpvobject.cpp src/filesavedialog.cpp src/fileopendialog.cpp
+SOURCES += src/main.cpp src/MpvPlayerBackend.cpp src/filesavedialog.cpp src/fileopendialog.cpp
 
 CONFIG += release
 #CONFIG+=qtquickcompiler
@@ -29,7 +29,7 @@ unix {
 
 INSTALLS += target
 
-HEADERS += src/mpvobject.h src/filesavedialog.h src/fileopendialog.h
+HEADERS += src/MpvPlayerBackend.h src/filesavedialog.h src/fileopendialog.h
 
 
 DISTFILES += KittehPlayer.desktop KittehPlayer.png README.md LICENSE.txt
diff --git a/src/mpvobject.cpp b/src/MpvPlayerBackend.cpp
similarity index 75%
rename from src/mpvobject.cpp
rename to src/MpvPlayerBackend.cpp
index 9f27b17..1c0fe5d 100644
--- a/src/mpvobject.cpp
+++ b/src/MpvPlayerBackend.cpp
@@ -2,7 +2,7 @@
 #include <stdexcept>
 #include <clocale>
 
-#include "mpvobject.h"
+#include "MpvPlayerBackend.h"
 
 #include <QApplication>
 #include <QQuickWindow>
@@ -15,12 +15,12 @@ namespace
 
 void wakeup(void *ctx)
 {
-    QMetaObject::invokeMethod((MpvObject*)ctx, "on_mpv_events", Qt::QueuedConnection);
+    QMetaObject::invokeMethod((MpvPlayerBackend*)ctx, "on_mpv_events", Qt::QueuedConnection);
 }
 
 void on_mpv_redraw(void *ctx)
 {
-    MpvObject::on_update(ctx);
+    MpvPlayerBackend::on_update(ctx);
 }
 
 static void *get_proc_address_mpv(void *ctx, const char *name)
@@ -38,11 +38,11 @@ static void *get_proc_address_mpv(void *ctx, const char *name)
 
 class MpvRenderer : public QQuickFramebufferObject::Renderer
 {
-    MpvObject *obj;  
+    MpvPlayerBackend *obj;  
 
 public:
 
-    MpvRenderer(MpvObject *new_obj)
+    MpvRenderer(MpvPlayerBackend *new_obj)
         : obj{new_obj}
     {
     }
@@ -99,7 +99,7 @@ public:
     }
 };
 
-MpvObject::MpvObject(QQuickItem * parent)
+MpvPlayerBackend::MpvPlayerBackend(QQuickItem * parent)
     : QQuickFramebufferObject(parent), mpv{mpv_create()}, mpv_gl(nullptr)
 {
 
@@ -140,12 +140,12 @@ MpvObject::MpvObject(QQuickItem * parent)
     if (mpv_initialize(mpv) < 0)
         throw std::runtime_error("could not initialize mpv context");
 
-    connect(this, &MpvObject::onUpdate, this, &MpvObject::doUpdate,
+    connect(this, &MpvPlayerBackend::onUpdate, this, &MpvPlayerBackend::doUpdate,
             Qt::QueuedConnection);
 
 }
 
-MpvObject::~MpvObject()
+MpvPlayerBackend::~MpvPlayerBackend()
 {
     if (mpv_gl) 
     {
@@ -155,47 +155,101 @@ MpvObject::~MpvObject()
     mpv_terminate_destroy(mpv);
 }
 
-void MpvObject::on_update(void *ctx)
+void MpvPlayerBackend::on_update(void *ctx)
 {
-    MpvObject *self = (MpvObject *)ctx;
+    MpvPlayerBackend *self = (MpvPlayerBackend *)ctx;
     emit self->onUpdate();
 }
 
 // connected to onUpdate(); signal makes sure it runs on the GUI thread
-void MpvObject::doUpdate()
+void MpvPlayerBackend::doUpdate()
 {
     update();
 }
 
 
-QVariant MpvObject::getProperty(const QString &name) const
+QVariant MpvPlayerBackend::getProperty(const QString &name) const
 {
     return mpv::qt::get_property_variant(mpv, name);
 }
 
 
-void MpvObject::command(const QVariant& params)
+void MpvPlayerBackend::command(const QVariant& params)
 {
     mpv::qt::command_variant(mpv, params);
 }
 
-void MpvObject::setProperty(const QString& name, const QVariant& value)
+void MpvPlayerBackend::setProperty(const QString& name, const QVariant& value)
 {
     mpv::qt::set_property_variant(mpv, name, value);
 }
 
-void MpvObject::setOption(const QString& name, const QVariant& value)
+void MpvPlayerBackend::setOption(const QString& name, const QVariant& value)
 {
     mpv::qt::set_option_variant(mpv, name, value);
 }
 
-void MpvObject::launchAboutQt()
+void MpvPlayerBackend::launchAboutQt()
 {
     QApplication *qapp = qobject_cast<QApplication *>(QCoreApplication::instance());
     qapp->aboutQt();
 }
 
-void MpvObject::on_mpv_events()
+void MpvPlayerBackend::togglePlayPause()
+{
+    mpv::qt::command_variant(mpv, QVariantList() << "cycle" << "pause");
+}
+
+void MpvPlayerBackend::toggleMute()
+{
+    mpv::qt::command_variant(mpv, QVariantList() << "cycle" << "mute");
+}
+
+void MpvPlayerBackend::nextAudioTrack()
+{
+    mpv::qt::command_variant(mpv, QVariantList()  << "cycle" << "audio");
+}
+void MpvPlayerBackend::nextSubtitleTrack()
+{
+    mpv::qt::command_variant(mpv, QVariantList() << "cycle" << "sub");
+}
+
+void MpvPlayerBackend::nextVideoTrack()
+{
+    mpv::qt::command_variant(mpv, QVariantList() << "cycle" << "video");
+}
+
+void MpvPlayerBackend::prevPlaylistItem()
+{
+    mpv::qt::command_variant(mpv, QVariantList() << "playlist-prev");
+}
+
+void MpvPlayerBackend::nextPlaylistItem()
+{
+    mpv::qt::command_variant(mpv, QVariantList() << "playlist-next" << "force");
+}
+
+void MpvPlayerBackend::loadFile(const QVariant &filename)
+{
+    mpv::qt::command_variant(mpv, QVariantList() << "loadfile"  << filename);
+}
+
+void MpvPlayerBackend::setVolume(const QVariant &volume)
+{
+    mpv::qt::command_variant(mpv, QVariantList() << "set" << "volume"  << volume);
+}
+
+void MpvPlayerBackend::addVolume(const QVariant &volume)
+{
+    mpv::qt::command_variant(mpv, QVariantList() << "add" << "volume"  << volume);
+}
+
+void MpvPlayerBackend::seek(const QVariant &seekTime)
+{
+    mpv::qt::command_variant(mpv, QVariantList() << "seek"  << seekTime);
+}
+
+void MpvPlayerBackend::on_mpv_events()
 {
     while (mpv) {
         mpv_event *event = mpv_wait_event(mpv, 0);
@@ -208,7 +262,7 @@ void MpvObject::on_mpv_events()
 
 }
  
-void MpvObject::handle_mpv_event(mpv_event *event)
+void MpvPlayerBackend::handle_mpv_event(mpv_event *event)
 {
     switch (event->event_id) {
     case MPV_EVENT_PROPERTY_CHANGE: {
@@ -268,10 +322,10 @@ void MpvObject::handle_mpv_event(mpv_event *event)
     }
 }
 
-QQuickFramebufferObject::Renderer *MpvObject::createRenderer() const
+QQuickFramebufferObject::Renderer *MpvPlayerBackend::createRenderer() const
 {
     window()->setPersistentOpenGLContext(true);
     window()->setPersistentSceneGraph(true);
 
-    return new MpvRenderer(const_cast<MpvObject *>(this));
+    return new MpvRenderer(const_cast<MpvPlayerBackend *>(this));
 }
diff --git a/src/mpvobject.h b/src/MpvPlayerBackend.h
similarity index 60%
rename from src/mpvobject.h
rename to src/MpvPlayerBackend.h
index b20bea4..dc1f874 100644
--- a/src/mpvobject.h
+++ b/src/MpvPlayerBackend.h
@@ -1,5 +1,5 @@
-#ifndef MPVOBJECT_H
-#define MPVOBJECT_H
+#ifndef MpvPlayerBackend_H
+#define MpvPlayerBackend_H
 
 #include <mpv/client.h>
 #include <mpv/render_gl.h>
@@ -13,7 +13,7 @@
 
 class MpvRenderer;
 
-class MpvObject : public QQuickFramebufferObject
+class MpvPlayerBackend : public QQuickFramebufferObject
 {
     Q_OBJECT
     mpv_handle *mpv;
@@ -24,13 +24,24 @@ class MpvObject : public QQuickFramebufferObject
 public:
     static void on_update(void *ctx);
 
-    MpvObject(QQuickItem * parent = 0);
-    virtual ~MpvObject();
+    MpvPlayerBackend(QQuickItem * parent = 0);
+    virtual ~MpvPlayerBackend();
     virtual Renderer *createRenderer() const;
 
 
 public slots:
     void launchAboutQt();
+    void togglePlayPause();
+    void toggleMute();
+    void nextAudioTrack();
+    void nextVideoTrack();
+    void nextSubtitleTrack();
+    void prevPlaylistItem();
+    void nextPlaylistItem();
+    void setVolume(const QVariant& volume);
+    void addVolume(const QVariant& volume);
+    void loadFile(const QVariant& filename);
+    void seek(const QVariant& seekTime);
     void command(const QVariant& params);
     void setProperty(const QString& name, const QVariant& value);
     void setOption(const QString& name, const QVariant& value);
diff --git a/src/main.cpp b/src/main.cpp
index 9ef9cbb..9fc34ca 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -10,7 +10,7 @@
 #include <QProcessEnvironment>
 #include "fileopendialog.h"
 #include "filesavedialog.h"
-#include "mpvobject.h"
+#include "MpvPlayerBackend.h"
 
 #ifdef WIN32
 #include "setenv_mingw.hpp"
@@ -48,17 +48,12 @@ setenv("QT_QPA_PLATFORMTHEME", "gtk3", 0);
     setenv("PATH", newpath.toUtf8().constData(), 1);
 
     QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
-    qmlRegisterType<MpvObject>("player", 1, 0, "MpvObject");
+    qmlRegisterType<MpvPlayerBackend>("player", 1, 0, "PlayerBackend");
     qmlRegisterType<FileOpenDialog>("player", 1, 0, "FileOpenDialog");
     qmlRegisterType<FileSaveDialog>("player", 1, 0, "FileSaveDialog");
 
     std::setlocale(LC_NUMERIC, "C");
 
-/*QQuickView *view = new QQuickView();
-view->setResizeMode(QQuickView::SizeRootObjectToView);
-view->setSource(QUrl("qrc:///player/main.qml"));
-view->show();*/
-
     QQmlApplicationEngine engine;
 #ifdef QRC_SOURCE_PATH
 RuntimeQML *rt = new RuntimeQML(&engine, QRC_SOURCE_PATH"/qml.qrc");
diff --git a/src/qml/main.qml b/src/qml/main.qml
index a34d1d4..4000d44 100644
--- a/src/qml/main.qml
+++ b/src/qml/main.qml
@@ -77,7 +77,7 @@ ApplicationWindow {
         }
     }
 
-    MpvObject {
+    PlayerBackend {
         id: player
         anchors.fill: parent
         width: parent.width
@@ -157,7 +157,7 @@ ApplicationWindow {
                             }
                         }
                     } else {
-                        player.command(["loadfile", argument])
+                        player.loadFile(argument)
                     }
                 }
             }
@@ -307,7 +307,7 @@ ApplicationWindow {
             title: translate.getTranslation("URL_FILE_PATH", i18n.language)
             standardButtons: StandardButton.Cancel | StandardButton.Open
             onAccepted: {
-                player.command(["loadfile", pathText.text])
+                player.loadFile("loadfile")
                 pathText.text = ""
             }
             TextField {
@@ -348,7 +348,7 @@ ApplicationWindow {
             cursorShape: controlsBar.visible ? Qt.ArrowCursor : Qt.BlankCursor
             onClicked: {
                 if (appearance.clickToPause) {
-                    player.command(["cycle", "pause"])
+                    player.togglePlayPause()
                 }
             }
             Timer {
@@ -515,35 +515,35 @@ ApplicationWindow {
                 Action {
                     text: translate.getTranslation("PLAY_PAUSE", i18n.language)
                     onTriggered: {
-                        player.command(["cycle", "pause"])
+                        player.togglePlayPause()
                     }
                     shortcut: String(keybinds.playPause)
                 }
                 Action {
                     text: translate.getTranslation("REWIND_10S", i18n.language)
                     onTriggered: {
-                        player.command(["seek", "-10"])
+                        player.seek("-10")
                     }
                     shortcut: keybinds.rewind10
                 }
                 Action {
                     text: translate.getTranslation("FORWARD_10S", i18n.language)
                     onTriggered: {
-                        player.command(["seek", "10"])
+                        player.seek("10")
                     }
                     shortcut: keybinds.forward10
                 }
                 Action {
                     text: translate.getTranslation("FORWARD_5S", i18n.language)
                     onTriggered: {
-                        player.command(["seek", "-5"])
+                        player.seek("-5")
                     }
                     shortcut: keybinds.rewind5
                 }
                 Action {
                     text: translate.getTranslation("FORWARD_5S", i18n.language)
                     onTriggered: {
-                        player.command(["seek", "5"])
+                        player.seek("5")
                     }
                     shortcut: keybinds.forward5
                 }
@@ -613,7 +613,7 @@ ApplicationWindow {
                     text: translate.getTranslation("CYCLE_AUDIO_TRACK",
                                                    i18n.language)
                     onTriggered: {
-                        player.command(["cycle", "audio"])
+                        player.nextAudioTrack()
                     }
                     shortcut: keybinds.cycleAudio
                 }
@@ -621,7 +621,7 @@ ApplicationWindow {
                     text: translate.getTranslation("INCREASE_VOLUME",
                                                    i18n.language)
                     onTriggered: {
-                        player.command(["add", "volume", "2"])
+                        player.addVolume("2")
                     }
                     shortcut: keybinds.increaseVolume
                 }
@@ -629,14 +629,14 @@ ApplicationWindow {
                     text: translate.getTranslation("DECREASE_VOLUME",
                                                    i18n.language)
                     onTriggered: {
-                        player.command(["add", "volume", "-2"])
+                        player.addVolume("-2")
                     }
                     shortcut: keybinds.decreaseVolume
                 }
                 Action {
                     text: translate.getTranslation("MUTE_VOLUME", i18n.language)
                     onTriggered: {
-                        player.command(["cycle", "mute"])
+                        player.toggleMute()
                     }
                     shortcut: keybinds.mute
                 }
@@ -658,7 +658,7 @@ ApplicationWindow {
                 Action {
                     text: translate.getTranslation("CYCLE_VIDEO", i18n.language)
                     onTriggered: {
-                        player.command(["cycle", "video"])
+                        player.nextVideoTrack()
                     }
                     shortcut: keybinds.cycleVideo
                 }
@@ -680,18 +680,10 @@ ApplicationWindow {
                     text: translate.getTranslation("CYCLE_SUB_TRACK",
                                                    i18n.language)
                     onTriggered: {
-                        player.command(["cycle", "sub"])
+                        player.nextSubtitleTrack()
                     }
                     shortcut: keybinds.cycleSub
                 }
-                Action {
-                    text: translate.getTranslation("CYCLE_SUB_TRACK_BACKWARDS",
-                                                   i18n.language)
-                    onTriggered: {
-                        player.command(["cycle", "sub", "down"])
-                    }
-                    shortcut: keybinds.cycleSubBackwards
-                }
                 Action {
                     text: translate.getTranslation("TOGGLE_MPV_SUBS",
                                                    i18n.language)
@@ -1147,7 +1139,7 @@ ApplicationWindow {
                 visible: false
                 width: 0
                 onClicked: {
-                    player.command(["playlist-prev"])
+                    player.prevPlaylistItem()
                 }
                 background: Rectangle {
                     color: "transparent"
@@ -1164,7 +1156,7 @@ ApplicationWindow {
                 anchors.bottom: parent.bottom
                 anchors.left: playlistPrevButton.right
                 onClicked: {
-                    player.command(["cycle", "pause"])
+                    player.togglePlayPause()
                 }
                 background: Rectangle {
                     color: "transparent"
@@ -1181,7 +1173,7 @@ ApplicationWindow {
                 anchors.bottom: parent.bottom
                 anchors.left: playPauseButton.right
                 onClicked: {
-                    player.command(["playlist-next", "force"])
+                    player.prevPlaylistItem()
                 }
                 background: Rectangle {
                     color: "transparent"
@@ -1198,7 +1190,7 @@ ApplicationWindow {
                 anchors.bottom: parent.bottom
                 anchors.left: playlistNextButton.right
                 onClicked: {
-                    player.command(["cycle", "mute"])
+                    player.toggleMute()
                 }
                 background: Rectangle {
                     color: "transparent"
@@ -1223,8 +1215,8 @@ ApplicationWindow {
                 anchors.top: parent.top
                 anchors.bottom: parent.bottom
                 onMoved: {
-                    player.command(["set", "volume", Math.round(
-                                        volumeBar.value).toString()])
+                    player.setVolume(Math.round(
+                                        volumeBar.value).toString())
                 }
 
                 handle: Rectangle {
diff --git a/src/qml/translations.js b/src/qml/translations.js
index 7d2d226..9159703 100644
--- a/src/qml/translations.js
+++ b/src/qml/translations.js
@@ -30,7 +30,6 @@ var translations = {
         CYCLE_VIDEO: "Cycle video",
         SUBTITLES: "Subtitles",
         CYCLE_SUB_TRACK: "Cycle Subtitle Track",
-        CYCLE_SUB_TRACK_BACKWARDS: "Cycle Subtitle Track Backwards",
         CYCLE_AUDIO_TRACK: "Cycle Audio Track",
         TOGGLE_MPV_SUBS: "Toggle MPV Subtitles",
         VIEW: "View",
@@ -73,7 +72,6 @@ var translations = {
         CYCLE_VIDEO: "Siguiente vídeo",
         SUBTITLES: "Subtítulos",
         CYCLE_SUB_TRACK: "Siguientes subtítulos",
-        CYCLE_SUB_TRACK_BACKWARDS: "Subtítulos previos",
         CYCLE_AUDIO_TRACK: "Siguiente pista de audio",
         TOGGLE_MPV_SUBS: "Activar subtítulos MPV",
         VIEW: "Ver",
@@ -116,7 +114,6 @@ var translations = {
         CYCLE_VIDEO: "Wechsle Video",
         SUBTITLES: "Untertitel",
         CYCLE_SUB_TRACK: "Wechsle Untertitel Spur",
-        CYCLE_SUB_TRACK_BACKWARDS: "Wechsle Untertitel Spur Rückwärts",
         CYCLE_AUDIO_TRACK: "Cycle Audio Track",
         TOGGLE_MPV_SUBS: "Schalte MPV Untertitel An/Aus",
         VIEW: "Ansicht",
@@ -159,7 +156,6 @@ var translations = {
         CYCLE_VIDEO: "Changer de vidéo",
         SUBTITLES: "Sous-titres",
         CYCLE_SUB_TRACK: "Changer de piste de sous-titres",
-        CYCLE_SUB_TRACK_BACKWARDS: "Changer de piste de sous-titres pour la précédente",
         CYCLE_AUDIO_TRACK: "Basculer de piste audio",
         TOGGLE_MPV_SUBS: "Basculer les sous-titres MPV",
         VIEW: "Voir",
@@ -202,7 +198,6 @@ var translations = {
         CYCLE_VIDEO: "Ripeti video",
         SUBTITLES: "Sottotitoli",
         CYCLE_SUB_TRACK: "Ripeti traccia sottotitoli",
-        CYCLE_SUB_TRACK_BACKWARDS: "Ripeti traccia sottotili al contrario",
         CYCLE_AUDIO_TRACK: "Ripeti traccia audio",
         TOGGLE_MPV_SUBS: "Attiva MPV Sottotitoli",
         VIEW: "Vedi",
@@ -245,7 +240,6 @@ var translations = {
         CYCLE_VIDEO: "Зациклить воспроизведение видео",
         SUBTITLES: "Субтитры",
         CYCLE_SUB_TRACK: "Зациклить дорожку субтитров",
-        CYCLE_SUB_TRACK_BACKWARDS: "Зациклить дорожку субтитров в обратную сторону",
         CYCLE_AUDIO_TRACK: "Зациклить аудиодорожку",
         TOGGLE_MPV_SUBS: "Переключить MPV-субтитры",
         VIEW: "Вид",
@@ -288,7 +282,6 @@ var translations = {
         CYCLE_VIDEO: "Sirkuler Gjennom Videospor",
         SUBTITLES: "Undertekster",
         CYCLE_SUB_TRACK: "Sirkuler Gjennom Undertekster",
-        CYCLE_SUB_TRACK_BACKWARDS: "Sirkuler Gjennom Undertekster (Baklengs)",
         CYCLE_AUDIO_TRACK: "Sirkuler Gjennom Lydspor",
         TOGGLE_MPV_SUBS: "Skru Av/På MPV Undertekster",
         VIEW: "Vis",