[Backend] Moved speed controls to backend.

src/MpvPlayerBackend.cpp

@@ -322,6 +322,37 @@ MpvPlayerBackend::toggleOnTop()
   AlwaysOnTop(window()->winId(), onTop);
 }
 
+void
+MpvPlayerBackend::addSpeed(const QVariant& speed)
+{
+  QString speedString =
+    QString::number(getProperty("speed").toDouble() + speed.toDouble());
+  speedString = speedString.left(speedString.lastIndexOf('.') + 2);
+  setSpeed(QVariant(speedString));
+}
+
+void
+MpvPlayerBackend::subtractSpeed(const QVariant& speed)
+{
+  QString speedString =
+    QString::number(getProperty("speed").toDouble() - speed.toDouble());
+  speedString = speedString.left(speedString.lastIndexOf('.') + 2);
+  setSpeed(QVariant(speedString));
+}
+
+void
+MpvPlayerBackend::changeSpeed(const QVariant& speedFactor)
+{
+  setSpeed(QVariant(getProperty("speed").toDouble() * speedFactor.toDouble()));
+}
+
+void
+MpvPlayerBackend::setSpeed(const QVariant& speed)
+{
+  command(QVariantList() << "set"
+                         << "speed" << speed.toString());
+}
+
 void
 MpvPlayerBackend::on_mpv_events()
 {

src/MpvPlayerBackend.h

@@ -42,7 +42,10 @@ public slots:
   void updatePrev(const QVariant& val);
   void updateVolume(const QVariant& val);
   void updatePlayPause(const QVariant& val);
-
+  void addSpeed(const QVariant& speed);
+  void subtractSpeed(const QVariant& speed);
+  void changeSpeed(const QVariant& speedFactor);
+  void setSpeed(const QVariant& speed);
   QVariant getTrack(const QString& track);
   void setTrack(const QVariant& track, const QVariant& id);
   void setVolume(const QVariant& volume);

src/qml/main.qml

@@ -327,8 +327,8 @@ ApplicationWindow {
             property string screenshotWithoutSubtitles: "Shift+S"
             property string fullScreenshot: "Ctrl+S"
             property string nyanCat: "Ctrl+N"
-            property string decreaseSpeedBy10Percent: "["
+            property string decreaseSpeedByPointOne: "["
-            property string increaseSpeedBy10Percent: "]"
+            property string increaseSpeedByPointOne: "]"
             property string halveSpeed: "{"
             property string doubleSpeed: "}"
             property string increaseVolume: "*"
@@ -484,25 +484,25 @@ ApplicationWindow {
                     shortcut: keybinds.forward5
                 }
                 Action {
-                    text: translate.getTranslation("SPEED_DECREASE_10PERCENT",
+                    text: translate.getTranslation("SPEED_DECREASE_POINT_ONE",
                                                    i18n.language)
                     onTriggered: {
-                        player.command(["multiply", "speed", "1/1.1"])
+                        player.subtractSpeed(0.1)
                     }
-                    shortcut: keybinds.decreaseSpeedBy10Percent
+                    shortcut: keybinds.decreaseSpeedByPointOne
                 }
                 Action {
-                    text: translate.getTranslation("SPEED_INCREASE_10PERCENT",
+                    text: translate.getTranslation("SPEED_INCREASE_POINT_ONE",
                                                    i18n.language)
                     onTriggered: {
-                        player.command(["multiply", "speed", "1.1"])
+                        player.addSpeed(0.1)
                     }
-                    shortcut: keybinds.increaseSpeedBy10Percent
+                    shortcut: keybinds.increaseSpeedByPointOne
                 }
                 Action {
                     text: translate.getTranslation("HALVE_SPEED", i18n.language)
                     onTriggered: {
-                        player.command(["multiply", "speed", "0.5"])
+                        player.changeSpeed(0.5)
                     }
                     shortcut: keybinds.halveSpeed
                 }
@@ -510,7 +510,7 @@ ApplicationWindow {
                     text: translate.getTranslation("DOUBLE_SPEED",
                                                    i18n.language)
                     onTriggered: {
-                        player.command(["multiply", "speed", "2.0"])
+                        player.changeSpeed(2)
                     }
                     shortcut: keybinds.doubleSpeed
                 }

src/qml/translations.js

@@ -15,8 +15,8 @@ var translations = {
         FORWARD_10S: "Forward 10s",
         REWIND_5S: "Rewind 5s",
         FORWARD_5S: "Forward 5s",
-        SPEED_DECREASE_10PERCENT: "Speed -10%",
+        SPEED_DECREASE_POINT_ONE: "Speed -0.1",
-        SPEED_INCREASE_10PERCENT: "Speed +10%",
+        SPEED_INCREASE_POINT_ONE: "Speed +0.1",
         HALVE_SPEED: "Halve Speed",
         DOUBLE_SPEED: "Double Speed",
         BACKWARD_FRAME: "Back a frame",
@@ -58,8 +58,8 @@ var translations = {
         FORWARD_10S: "Adelantar 10s",
         REWIND_5S: "Retrasar 5s",
         FORWARD_5S: "Adelantar 5s",
-        SPEED_DECREASE_10PERCENT: "Velocidad -10%",
+        SPEED_DECREASE_POINT_ONE: "Velocidad -0.1",
-        SPEED_INCREASE_10PERCENT: "Velocidad +10%",
+        SPEED_INCREASE_POINT_ONE: "Velocidad +0.1",
         HALVE_SPEED: "Dividir velocidad a la mitad",
         DOUBLE_SPEED: "Duplicar velocidad",
         BACKWARD_FRAME: "Retrasar un frame",
@@ -101,8 +101,8 @@ var translations = {
         FORWARD_10S: "Vorspulen 10s",
         REWIND_5S: "Rückspulen 5s",
         FORWARD_5S: "Vorspulen 5s",
-        SPEED_DECREASE_10PERCENT: "Geschwindigkeit -10%",
+        SPEED_DECREASE_POINT_ONE: "Geschwindigkeit -0.1",
-        SPEED_INCREASE_10PERCENT: "Geschwindigkeit +10%",
+        SPEED_INCREASE_POINT_ONE: "Geschwindigkeit +0.1",
         HALVE_SPEED: "Halbe Geschwindigkeit",
         DOUBLE_SPEED: "Doppelte Geschwindigkeit",
         BACKWARD_FRAME: "Ein Bild zurück",
@@ -144,8 +144,8 @@ var translations = {
         FORWARD_10S: "Avancer de 10s",
         REWIND_5S: "Reculer de 5s",
         FORWARD_5S: "Avancer de 5s",
-        SPEED_DECREASE_10PERCENT: "Vitesse -10%",
+        SPEED_DECREASE_POINT_ONE: "Vitesse -0.1",
-        SPEED_INCREASE_10PERCENT: "Vitesse +10%",
+        SPEED_INCREASE_POINT_ONE: "Vitesse +0.1",
         HALVE_SPEED: "Réduire de moitié la vitesse",
         DOUBLE_SPEED: "Doubler la vitesse",
         BACKWARD_FRAME: "Reculer d'une image",
@@ -187,8 +187,8 @@ var translations = {
         FORWARD_10S: "Avanti 10s",
         REWIND_5S: "Indietro 5s",
         FORWARD_5S: "Avanti 5s",
-        SPEED_DECREASE_10PERCENT: "Velocità -10%",
+        SPEED_DECREASE_POINT_ONE: "Velocità -0.1",
-        SPEED_INCREASE_10PERCENT: "Velocità +10%",
+        SPEED_INCREASE_POINT_ONE: "Velocità +0.1",
         HALVE_SPEED: "Dimezza velocità",
         DOUBLE_SPEED: "Raddoppia velocità",
         BACKWARD_FRAME: "Indietro di un fotogramma",
@@ -230,8 +230,8 @@ var translations = {
         FORWARD_10S: "Перемотать вперед на 10 секунд",
         REWIND_5S: "Перемотать назад на 5 секунд",
         FORWARD_5S: "Перемотать вперед на 5 секунд",
-        SPEED_DECREASE_10PERCENT: "Уменьшить скорость на 10%",
+        SPEED_DECREASE_POINT_ONE: "Уменьшить скорость на 0.1",
-        SPEED_INCREASE_10PERCENT: "Увеличить скорость на 10%",
+        SPEED_INCREASE_POINT_ONE: "Увеличить скорость на 0.1",
         HALVE_SPEED: "Замедлить воспроизведение в 2 раза",
         DOUBLE_SPEED: "Ускорить воспроизведение в 2 раза",
         BACKWARD_FRAME: "Вернуться к предыдущему кадру",
@@ -271,8 +271,8 @@ var translations = {
         FORWARD_10S: "Spol Frem 10s",
         REWIND_5S: "Spol Tilbake 5s",
         FORWARD_5S: "Spol Frem 5s",
-        SPEED_DECREASE_10PERCENT: "Hastighet -10%",
+        SPEED_DECREASE_POINT_ONE: "Hastighet -0.1",
-        SPEED_INCREASE_10PERCENT: "Hastighet +10%",
+        SPEED_INCREASE_POINT_ONE: "Hastighet +0.1",
         HALVE_SPEED: "Halv Hastighet",
         DOUBLE_SPEED: "Dobbel Hastighet",
         BACKWARD_FRAME: "Gå Tilbake Én Ramme",