Add a "Mute Audio" hotkey

src/audio_core/stream.cpp

@@ -67,7 +67,7 @@ s64 Stream::GetBufferReleaseCycles(const Buffer& buffer) const {
 }
 
 static void VolumeAdjustSamples(std::vector<s16>& samples, float game_volume) {
-    const float volume{std::clamp(Settings::values.volume - (1.0f - game_volume), 0.0f, 1.0f)};
+    const float volume{std::clamp(Settings::Volume() - (1.0f - game_volume), 0.0f, 1.0f)};
 
     if (volume == 1.0f) {
         return;

src/core/settings.cpp

@@ -127,6 +127,13 @@ void LogSettings() {
     LogSetting("Services_BCATBoxcatLocal", Settings::values.bcat_boxcat_local);
 }
 
+float Volume() {
+    if (values.audio_muted) {
+        return 0.0f;
+    }
+    return values.volume;
+}
+
 bool IsGPULevelExtreme() {
     return values.gpu_accuracy == GPUAccuracy::Extreme;
 }

src/core/settings.h

@@ -459,6 +459,7 @@ struct Values {
     bool use_dev_keys;
 
     // Audio
+    bool audio_muted;
     std::string sink_id;
     bool enable_audio_stretching;
     std::string audio_device_id;
@@ -490,6 +491,8 @@ struct Values {
     std::map<u64, std::vector<std::string>> disabled_addons;
 } extern values;
 
+float Volume();
+
 bool IsGPULevelExtreme();
 bool IsGPULevelHigh();
 

src/yuzu/configuration/config.cpp

@@ -211,7 +211,7 @@ const std::array<int, Settings::NativeKeyboard::NumKeyboardMods> Config::default
 // This must be in alphabetical order according to action name as it must have the same order as
 // UISetting::values.shortcuts, which is alphabetically ordered.
 // clang-format off
-const std::array<UISettings::Shortcut, 15> Config::default_hotkeys{{
+const std::array<UISettings::Shortcut, 16> Config::default_hotkeys{{
     {QStringLiteral("Capture Screenshot"),       QStringLiteral("Main Window"), {QStringLiteral("Ctrl+P"), Qt::ApplicationShortcut}},
     {QStringLiteral("Change Docked Mode"),       QStringLiteral("Main Window"), {QStringLiteral("F10"), Qt::ApplicationShortcut}},
     {QStringLiteral("Continue/Pause Emulation"), QStringLiteral("Main Window"), {QStringLiteral("F4"), Qt::WindowShortcut}},
@@ -222,6 +222,7 @@ const std::array<UISettings::Shortcut, 15> Config::default_hotkeys{{
     {QStringLiteral("Increase Speed Limit"),     QStringLiteral("Main Window"), {QStringLiteral("+"), Qt::ApplicationShortcut}},
     {QStringLiteral("Load Amiibo"),              QStringLiteral("Main Window"), {QStringLiteral("F2"), Qt::ApplicationShortcut}},
     {QStringLiteral("Load File"),                QStringLiteral("Main Window"), {QStringLiteral("Ctrl+O"), Qt::WindowShortcut}},
+    {QStringLiteral("Mute Audio"),               QStringLiteral("Main Window"), {QStringLiteral("Ctrl+M"), Qt::WindowShortcut}},
     {QStringLiteral("Restart Emulation"),        QStringLiteral("Main Window"), {QStringLiteral("F6"), Qt::WindowShortcut}},
     {QStringLiteral("Stop Emulation"),           QStringLiteral("Main Window"), {QStringLiteral("F5"), Qt::WindowShortcut}},
     {QStringLiteral("Toggle Filter Bar"),        QStringLiteral("Main Window"), {QStringLiteral("Ctrl+F"), Qt::WindowShortcut}},

src/yuzu/configuration/config.h

@@ -27,7 +27,7 @@ public:
         default_mouse_buttons;
     static const std::array<int, Settings::NativeKeyboard::NumKeyboardKeys> default_keyboard_keys;
     static const std::array<int, Settings::NativeKeyboard::NumKeyboardMods> default_keyboard_mods;
-    static const std::array<UISettings::Shortcut, 15> default_hotkeys;
+    static const std::array<UISettings::Shortcut, 16> default_hotkeys;
 
 private:
     void ReadValues();

src/yuzu/main.cpp

@@ -736,6 +736,9 @@ void GMainWindow::InitializeHotkeys() {
                                     Settings::values.use_docked_mode);
                 dock_status_button->setChecked(Settings::values.use_docked_mode);
             });
+    connect(hotkey_registry.GetHotkey(main_window, QStringLiteral("Mute Audio"), this),
+            &QShortcut::activated, this,
+            [] { Settings::values.audio_muted = !Settings::values.audio_muted; });
 }
 
 void GMainWindow::SetDefaultUIGeometry() {