feat: mute in background switch

VoidLink/Base.lproj/iPad.storyboard

@@ -1186,6 +1186,26 @@
                                     <constraint firstAttribute="height" constant="31" id="GWg-Dx-N44"/>
                                 </constraints>
                             </stackView>
+                            <stackView verifyAmbiguity="off" opaque="NO" contentMode="scaleToFill" ambiguous="YES" spacing="20" translatesAutoresizingMaskIntoConstraints="NO" id="gBG-8F-6F8">
+                                <rect key="frame" x="432" y="2349" width="281" height="31"/>
+                                <subviews>
+                                    <label verifyAmbiguity="off" opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Duck Other Apps" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumScaleFactor="0.64999997615814209" adjustsLetterSpacingToFitWidth="YES" adjustsFontForContentSizeCategory="YES" translatesAutoresizingMaskIntoConstraints="NO" id="YPA-7E-Cdl" userLabel="uiLabel">
+                                        <rect key="frame" x="0.0" y="0.0" width="131" height="31"/>
+                                        <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                        <nil key="textColor"/>
+                                        <nil key="highlightedColor"/>
+                                    </label>
+                                    <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="YEv-1B-97I">
+                                        <rect key="frame" x="151" y="0.0" width="132" height="31"/>
+                                        <constraints>
+                                            <constraint firstAttribute="width" constant="130" id="LXO-Pc-PnJ"/>
+                                        </constraints>
+                                    </switch>
+                                </subviews>
+                                <constraints>
+                                    <constraint firstAttribute="height" constant="31" id="6TQ-fK-dDd"/>
+                                </constraints>
+                            </stackView>
                             <stackView verifyAmbiguity="off" opaque="NO" contentMode="scaleToFill" ambiguous="YES" axis="vertical" spacing="5" translatesAutoresizingMaskIntoConstraints="NO" id="xbj-CP-fhP" userLabel="micVolumeStack">
                                 <rect key="frame" x="440" y="2584" width="380" height="55.5"/>
                                 <subviews>
@@ -1360,16 +1380,16 @@
                                 </constraints>
                             </stackView>
                             <stackView verifyAmbiguity="off" opaque="NO" contentMode="scaleToFill" ambiguous="YES" axis="vertical" spacing="5" translatesAutoresizingMaskIntoConstraints="NO" id="Oyk-L5-WTt" userLabel="singleTapSensitivityStack">
-                                <rect key="frame" x="440" y="307" width="692" height="55.5"/>
+                                <rect key="frame" x="440" y="307" width="700" height="55.5"/>
                                 <subviews>
                                     <label verifyAmbiguity="off" opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Single Tap Sensitivity" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="SuN-S2-8hj">
-                                        <rect key="frame" x="0.0" y="0.0" width="692" height="20.5"/>
+                                        <rect key="frame" x="0.0" y="0.0" width="700" height="20.5"/>
                                         <fontDescription key="fontDescription" type="system" pointSize="17"/>
                                         <color key="textColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                         <nil key="highlightedColor"/>
                                     </label>
                                     <slider verifyAmbiguity="off" opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" value="2" minValue="0.0" maxValue="5" minimumValueImage="0.square" catalog="system" maximumValueImage="5.square" translatesAutoresizingMaskIntoConstraints="NO" id="j4n-De-TRX" userLabel="Single Tap Sensitivity Slider">
-                                        <rect key="frame" x="-2" y="25.5" width="696" height="31"/>
+                                        <rect key="frame" x="-2" y="25.5" width="704" height="31"/>
                                         <constraints>
                                             <constraint firstAttribute="height" constant="30" id="qOF-42-hPO"/>
                                         </constraints>
@@ -1494,24 +1514,24 @@
                                     <constraint firstAttribute="height" constant="31" id="m8h-w7-JRF"/>
                                 </constraints>
                             </stackView>
-                            <stackView verifyAmbiguity="off" opaque="NO" contentMode="scaleToFill" ambiguous="YES" spacing="20" translatesAutoresizingMaskIntoConstraints="NO" id="gBG-8F-6F8">
+                            <stackView verifyAmbiguity="off" opaque="NO" contentMode="scaleToFill" ambiguous="YES" spacing="20" translatesAutoresizingMaskIntoConstraints="NO" id="tNi-0x-k5z">
-                                <rect key="frame" x="432" y="2349" width="281" height="31"/>
+                                <rect key="frame" x="440" y="2670" width="302.5" height="31"/>
                                 <subviews>
-                                    <label verifyAmbiguity="off" opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Duck Other Apps" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumScaleFactor="0.64999997615814209" adjustsLetterSpacingToFitWidth="YES" adjustsFontForContentSizeCategory="YES" translatesAutoresizingMaskIntoConstraints="NO" id="YPA-7E-Cdl" userLabel="uiLabel">
+                                    <label verifyAmbiguity="off" opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Mute in Background" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumScaleFactor="0.64999997615814209" adjustsLetterSpacingToFitWidth="YES" adjustsFontForContentSizeCategory="YES" translatesAutoresizingMaskIntoConstraints="NO" id="hPX-cJ-dgH" userLabel="uiLabel">
-                                        <rect key="frame" x="0.0" y="0.0" width="131" height="31"/>
+                                        <rect key="frame" x="0.0" y="0.0" width="152.5" height="31"/>
                                         <fontDescription key="fontDescription" type="system" pointSize="17"/>
                                         <nil key="textColor"/>
                                         <nil key="highlightedColor"/>
                                     </label>
-                                    <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="YEv-1B-97I">
+                                    <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="WT0-Xz-Ldt">
-                                        <rect key="frame" x="151" y="0.0" width="132" height="31"/>
+                                        <rect key="frame" x="172.5" y="0.0" width="132" height="31"/>
                                         <constraints>
-                                            <constraint firstAttribute="width" constant="130" id="LXO-Pc-PnJ"/>
+                                            <constraint firstAttribute="width" constant="130" id="XPN-Mt-wLR"/>
                                         </constraints>
                                     </switch>
                                 </subviews>
                                 <constraints>
-                                    <constraint firstAttribute="height" constant="31" id="6TQ-fK-dDd"/>
+                                    <constraint firstAttribute="height" constant="31" id="tTa-Lf-P8K"/>
                                 </constraints>
                             </stackView>
                         </subviews>
@@ -1586,6 +1606,8 @@
                         <outlet property="mousePointerVelocityStack" destination="aQ8-4e-CQB" id="CW3-el-Yc3"/>
                         <outlet property="multiControllerStack" destination="RrU-mx-9jP" id="Axn-vT-LIf"/>
                         <outlet property="multiControllerSwitch" destination="8fR-vS-q3F" id="Sli-WG-kkI"/>
+                        <outlet property="muteInBackgroundStack" destination="tNi-0x-k5z" id="tHI-f3-EXN"/>
+                        <outlet property="muteInBackgroundSwitch" destination="WT0-Xz-Ldt" id="f1S-84-GB2"/>
                         <outlet property="navigationBar" destination="3qa-QW-sSl" id="CK1-rt-Reg"/>
                         <outlet property="onScreenWidgetSelector" destination="qSU-wh-tqA" id="j8d-fB-Z2c"/>
                         <outlet property="onScreenWidgetStack" destination="ziJ-RC-xkP" id="4Me-0o-H65"/>

VoidLink/Base.lproj/iPhone.storyboard

@@ -2214,16 +2214,16 @@
                                 </constraints>
                             </stackView>
                             <stackView verifyAmbiguity="off" opaque="NO" contentMode="scaleToFill" ambiguous="YES" axis="vertical" spacing="5" translatesAutoresizingMaskIntoConstraints="NO" id="N0i-z6-WgC" userLabel="singleTapSensitivityStack">
-                                <rect key="frame" x="437" y="2383" width="424" height="55.5"/>
+                                <rect key="frame" x="437" y="2383" width="448" height="55.5"/>
                                 <subviews>
                                     <label verifyAmbiguity="off" opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Single Tap Sensitivity" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="WzD-wo-Wum">
-                                        <rect key="frame" x="0.0" y="0.0" width="424" height="20.5"/>
+                                        <rect key="frame" x="0.0" y="0.0" width="448" height="20.5"/>
                                         <fontDescription key="fontDescription" type="system" pointSize="17"/>
                                         <color key="textColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                                         <nil key="highlightedColor"/>
                                     </label>
                                     <slider verifyAmbiguity="off" opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" value="2" minValue="0.0" maxValue="5" minimumValueImage="0.square" catalog="system" maximumValueImage="5.square" translatesAutoresizingMaskIntoConstraints="NO" id="uCa-Oa-7mv" userLabel="Single Tap Sensitivity Slider">
-                                        <rect key="frame" x="-2" y="25.5" width="428" height="31"/>
+                                        <rect key="frame" x="-2" y="25.5" width="452" height="31"/>
                                         <constraints>
                                             <constraint firstAttribute="height" constant="30" id="XXP-GP-uhn"/>
                                         </constraints>
@@ -2297,6 +2297,26 @@
                                     <constraint firstAttribute="height" constant="31" id="ODv-4K-0el"/>
                                 </constraints>
                             </stackView>
+                            <stackView verifyAmbiguity="off" opaque="NO" contentMode="scaleToFill" ambiguous="YES" spacing="20" translatesAutoresizingMaskIntoConstraints="NO" id="CWu-TP-Mce">
+                                <rect key="frame" x="437" y="919" width="302.5" height="31"/>
+                                <subviews>
+                                    <label verifyAmbiguity="off" opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Mute in Background" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumScaleFactor="0.64999997615814209" adjustsLetterSpacingToFitWidth="YES" adjustsFontForContentSizeCategory="YES" translatesAutoresizingMaskIntoConstraints="NO" id="PaG-9w-YxB" userLabel="uiLabel">
+                                        <rect key="frame" x="0.0" y="0.0" width="152.5" height="31"/>
+                                        <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                        <nil key="textColor"/>
+                                        <nil key="highlightedColor"/>
+                                    </label>
+                                    <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" translatesAutoresizingMaskIntoConstraints="NO" id="1bU-9D-6uZ">
+                                        <rect key="frame" x="172.5" y="0.0" width="132" height="31"/>
+                                        <constraints>
+                                            <constraint firstAttribute="width" constant="130" id="KrG-en-SWf"/>
+                                        </constraints>
+                                    </switch>
+                                </subviews>
+                                <constraints>
+                                    <constraint firstAttribute="height" constant="31" id="NIJ-yN-LNM"/>
+                                </constraints>
+                            </stackView>
                         </subviews>
                         <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                     </view>
@@ -2370,6 +2390,8 @@
                         <outlet property="mousePointerVelocityStack" destination="VfU-iM-hP1" id="bgC-E9-tsz"/>
                         <outlet property="multiControllerStack" destination="qCV-3D-LnH" id="uGZ-L9-Wey"/>
                         <outlet property="multiControllerSwitch" destination="DWs-cm-vOl" id="Gaq-Vo-xZ2"/>
+                        <outlet property="muteInBackgroundStack" destination="CWu-TP-Mce" id="b6k-2K-0ut"/>
+                        <outlet property="muteInBackgroundSwitch" destination="1bU-9D-6uZ" id="ePh-7k-8Gi"/>
                         <outlet property="onScreenWidgetSelector" destination="UQu-Sg-YuF" id="FrG-7V-7Mg"/>
                         <outlet property="onScreenWidgetStack" destination="WvX-8P-JC1" id="md4-Yy-CmW"/>
                         <outlet property="onscreenControllerLabel" destination="5uF-E5-hpX" id="Ntz-sT-O6S"/>

VoidLink/Database/DataManager.h

@@ -128,6 +128,7 @@ typedef NS_ENUM(NSInteger, WidgetSizeTransition) {
                      audioEngine:(NSInteger)audioEngine
                  appendLeftClick:(BOOL)appendLeftClick
                    duckOtherApps:(BOOL)duckOtherApps
+                muteInBackground:(BOOL)muteInBackground
           backgroundSessionTimer:(NSInteger)backgroundSessionTimer;
 
 - (NSArray*) getHosts;

VoidLink/Database/DataManager.m

@@ -111,6 +111,7 @@
                      audioEngine:(NSInteger)audioEngine
                  appendLeftClick:(BOOL)appendLeftClick
                    duckOtherApps:(BOOL)duckOtherApps
+                muteInBackground:(BOOL)muteInBackground
           backgroundSessionTimer:(NSInteger)backgroundSessionTimer{
 
     [_managedObjectContext performBlockAndWait:^{
@@ -172,6 +173,7 @@
         settingsToSave.audioEngine = [NSNumber numberWithInteger:audioEngine];
         settingsToSave.appendLeftClick = appendLeftClick;
         settingsToSave.duckOtherApps = duckOtherApps;
+        settingsToSave.muteInBackground = muteInBackground;
         settingsToSave.rememberFoldState = rememberFoldState;
         [self saveData];
     }];

VoidLink/Database/TemporarySettings.h

@@ -85,6 +85,7 @@
 @property (nonatomic, retain) NSNumber * audioEngine;
 @property (nonatomic) BOOL appendLeftClick;
 @property (nonatomic) BOOL duckOtherApps;
+@property (nonatomic) BOOL muteInBackground;
 @property (nonatomic, retain) NSNumber * framePacingMode;
 
 - (id) initFromSettings:(Settings*)settings;

VoidLink/Database/TemporarySettings.m

@@ -142,6 +142,7 @@
     self.audioEngine = settings.audioEngine;
     self.appendLeftClick = settings.appendLeftClick;
     self.duckOtherApps = settings.duckOtherApps;
+    self.muteInBackground = settings.muteInBackground;
 #endif
     
     return self;

VoidLink/Limelight.xcdatamodeld/VoidLink v1.0.xcdatamodel/contents

@@ -57,6 +57,7 @@
         <attribute name="micVolume" optional="YES" attributeType="Float" defaultValueString="1" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="mousePointerVelocityFactor" optional="YES" attributeType="Float" defaultValueString="1" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="multiController" attributeType="Boolean" defaultValueString="YES" usesScalarValueType="YES" syncable="YES"/>
+        <attribute name="muteInBackground" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES" syncable="YES"/>
         <attribute name="onscreenControls" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="optimizeGames" attributeType="Boolean" defaultValueString="YES" usesScalarValueType="YES" syncable="YES"/>
         <attribute name="oscLayoutToolFingers" optional="YES" attributeType="Integer 16" defaultValueString="4" usesScalarValueType="NO" syncable="YES"/>

VoidLink/Stream/Connection.h

@@ -19,6 +19,8 @@
 #define CONN_TEST_SERVER "www.baidu.com"
 
 @interface Connection : NSOperation <NSStreamDelegate>
+@property (class, nonatomic, assign) bool muteInBackground;
+@property (class, nonatomic, assign) bool useSystemAudioEngine;
 
 -(id) initWithConfig:(StreamConfiguration*)config renderer:(VideoDecoderRenderer*)myRenderer connectionCallbacks:(id<ConnectionCallbacks>)callbacks;
 -(void) terminate;
@@ -26,7 +28,7 @@
 -(BandwidthTracker *) getBwTracker;
 -(BOOL) getVideoStats:(video_stats_t*)stats;
 -(NSString*) getActiveCodecName;
+
 + (void)setVolume:(float)newVolume;
-+ (void)setUseSystemAudioEngine:(bool)useSysAudioEngine;
 
 @end

VoidLink/Stream/Connection.m

@@ -56,6 +56,8 @@ static AVAudioPlayerNode *audioPlayerNode;
 static AVAudioPCMBuffer *pcmBuffer;
 static AVAudioFormat *audioFormat;
 
+static bool muteInBackground;
+
 static VideoDecoderRenderer* renderer;
 
 static BandwidthTracker *bwTracker;
@@ -334,6 +336,10 @@ void ArCleanup(void)
     volume = powf(linearVolume, exponent);
 }
 
++ (void)setMuteInBackground:(bool)mute {
+    muteInBackground = mute;
+}
+
 + (void)setUseSystemAudioEngine:(bool)useSysAudioEngine{
     useSystemAudioEngine = useSysAudioEngine;
 }
@@ -393,6 +399,8 @@ void AudioEngineInit(int sampleRate, int channelCount) {
 
 void ArDecodeAndPlaySample(char* sampleData, int sampleLength)
 {
+    if(appDidEnterBackgroundWithoutPip && muteInBackground) return;
+    
     int decodeLen;
     
     // Don't queue if there's already more than 30 ms of audio data waiting

VoidLink/Stream/VideoDecoderRenderer.h

@@ -18,7 +18,6 @@
 
 @property (atomic, readonly) PlotMetrics decodeMetrics;
 @property (atomic, readonly) PlotMetrics frameQueueMetrics;
-@property (atomic, assign) bool appDidEnterBackgroundWithoutPiP;
 
 @property (nonatomic, strong, readonly) AVSampleBufferDisplayLayer *displayLayer;
 

VoidLink/Stream/VideoDecoderRenderer.m

@@ -115,7 +115,7 @@ extern int ff_isom_write_av1c(AVIOContext *pb, const uint8_t *buf, int size,
     NSLog(@"initializing video decoder %f", CACurrentMediaTime());
     self = [super init];
     
-    _appDidEnterBackgroundWithoutPiP = false;
+    appDidEnterBackgroundWithoutPip = false;
     
     _sq = dispatch_queue_create("com.moonlight.VideoDecoderRenderer",
                                 dispatch_queue_attr_make_with_qos_class(DISPATCH_QUEUE_SERIAL, QOS_CLASS_USER_INTERACTIVE, 0));
@@ -329,7 +329,7 @@ int DrSubmitDecodeUnit(PDECODE_UNIT decodeUnit);
 // Legacy frame pacing callback - matches upstream/Integration behavior exactly
 - (void)displayLinkCallback:(CADisplayLink *)sender
 {
-    if(_appDidEnterBackgroundWithoutPiP) return;
+    if(appDidEnterBackgroundWithoutPip) return;
     
     VIDEO_FRAME_HANDLE handle;
     PDECODE_UNIT du;
@@ -379,7 +379,7 @@ int DrSubmitDecodeUnit(PDECODE_UNIT decodeUnit);
         Log(LOG_I, @"Setting timebase for stream to %d / %d", pts.value, pts.timescale);
     }
 
-    if(!_appDidEnterBackgroundWithoutPiP) [self->_displayLayer enqueueSampleBuffer:frame.sampleBuffer];
+    if(!appDidEnterBackgroundWithoutPip) [self->_displayLayer enqueueSampleBuffer:frame.sampleBuffer];
 
 #ifdef DISPLAYLINK_VERBOSE
     // Some OS-level metrics I'm not sure what to do with

VoidLink/ViewControllers/SettingsViewController.h

@@ -187,6 +187,9 @@
 @property (strong, nonatomic) IBOutlet UIStackView *duckOtherAppStack;
 @property (strong, nonatomic) IBOutlet UISwitch *duckOtherAppSwitch;
 
+@property (strong, nonatomic) IBOutlet UIStackView *muteInBackgroundStack;
+@property (strong, nonatomic) IBOutlet UISwitch *muteInBackgroundSwitch;
+
 @property (strong, nonatomic) IBOutlet UIStackView *testStack;
 
 @property (nonatomic, strong) MicHandler *micHandler;

VoidLink/ViewControllers/SettingsViewController.m

@@ -792,6 +792,7 @@ BOOL isCustomResolution(int resolutionSelected) {
     [self addSetting:self.useBuiltinMicStack ofId:@"useBuiltinMicStack" withInfoTag:YES withDynamicLabel:NO to:audioSection];
     [self addSetting:self.micVolumeStack ofId:@"micVolumeStack" withInfoTag:NO withDynamicLabel:YES to:audioSection];
     [self addSetting:self.duckOtherAppStack ofId:@"duckOtherAppStack" withInfoTag:NO withDynamicLabel:NO to:audioSection];
+    [self addSetting:self.muteInBackgroundStack ofId:@"muteInBackgroundStack" withInfoTag:NO withDynamicLabel:NO to:audioSection];
     // [self addSetting:self.audioEngineStack ofId:@"audioEngineStack" withInfoTag:YES withDynamicLabel:NO to:audioSection];
     // cancel audio engine selector due to system engine is unable to playback multi-channel audio
     [self addSetting:self.audioConfigStack ofId:@"audioConfigStack" withInfoTag:NO withDynamicLabel:NO to:audioSection];
@@ -1718,6 +1719,9 @@ BOOL isCustomResolution(int resolutionSelected) {
         
         [self.duckOtherAppSwitch setOn:self->tempSettings.duckOtherApps];
         
+        [self.muteInBackgroundSwitch setOn:tempSettings.muteInBackground];
+        [self.muteInBackgroundSwitch addTarget:self action:@selector(muteInBackgroundSwitchFlipped:) forControlEvents:UIControlEventValueChanged];
+
         [self.micVolumeSlider setValue:self->tempSettings.micVolume.floatValue*100];
         [self.micVolumeSlider addTarget:self action:@selector(micVolumeSliderMoved:) forControlEvents:UIControlEventValueChanged];
         [self micVolumeSliderMoved:self.self.micVolumeSlider];
@@ -2387,6 +2391,10 @@ BOOL isCustomResolution(int resolutionSelected) {
     });
 }
 
+- (void)muteInBackgroundSwitchFlipped:(UISwitch* )sender{
+    Connection.muteInBackground = sender.isOn;
+}
+
 - (void)redirectMicSwitchFlipped:(UISwitch* )sender{
     if(sender.isOn) [self checkAndRequestMicPermission];
     [self setHidden:!sender.isOn forStack:_useBuiltinMicStack];
@@ -2875,6 +2883,7 @@ BOOL isCustomResolution(int resolutionSelected) {
     NSInteger audioEngine = self.audioEngineSelector.selectedSegmentIndex;
     BOOL appendLeftClick = self.appendLeftClickSwitch.isOn;
     BOOL duckOtherApps = self.duckOtherAppSwitch.isOn;
+    BOOL muteInBackground = self.muteInBackgroundSwitch.isOn;
     NSInteger backgroundSessionTimer = self.backgroundSessionTimerSlider.value == self.backgroundSessionTimerSlider.maximumValue ? (uint32_t) INT16_MAX : (uint32_t)self.backgroundSessionTimerSlider.value;
     
     [dataMan saveSettingsWithBitrate:_bitrate
@@ -2932,6 +2941,7 @@ BOOL isCustomResolution(int resolutionSelected) {
                          audioEngine:audioEngine
                      appendLeftClick:appendLeftClick
                        duckOtherApps:duckOtherApps
+                    muteInBackground:muteInBackground
               backgroundSessionTimer:backgroundSessionTimer];
 }
 

VoidLink/ViewControllers/StreamFrameViewController.m

@@ -374,7 +374,8 @@
     }
     else [micHandler stopTappingWithStopEngine:false];
     
-    [Connection setUseSystemAudioEngine:_settings.audioEngine.intValue == SystemAudioEngine];
+    Connection.useSystemAudioEngine = _settings.audioEngine.intValue == SystemAudioEngine;
+    Connection.muteInBackground = _settings.muteInBackground;
     
     if(!viewJustLoaded) [_controllerSupport updateControllerSupport:self.streamConfig delegate:self];
     // reload controllerSupport obj, this is mandatory for OSC reload,especially when the stream view is launched without OSC
@@ -1033,7 +1034,7 @@
 - (void)applicationWillResignActive:(NSNotification *)notification {
     //[self.pipController startPictureInPicture];
     //sleep(1);
-    _streamMan.videoRenderer.appDidEnterBackgroundWithoutPiP = true;
+    appDidEnterBackgroundWithoutPip = true;
 
     [_streamView saveRelocatedWidgetViews];
 
@@ -1050,7 +1051,7 @@
 }
 
 - (void)applicationDidBecomeActive:(NSNotification *)notification {
-    _streamMan.videoRenderer.appDidEnterBackgroundWithoutPiP = false;
+    appDidEnterBackgroundWithoutPip = false;
     // Stop the background timer, since we're foregrounded again
     if (_inactivityTimer != nil) {
         Log(LOG_I, @"Stopping inactivity timer after becoming active again");
@@ -1083,9 +1084,9 @@
     NSLog(@"did enter background, %d, %@, %d", _settings.enablePIP, self.pipController, self.pipController.isPictureInPictureActive);
     if (_settings.enablePIP && self.pipController && self.pipController.isPictureInPictureActive) {
         //Log(LOG_I, @"PIP is active, not terminating stream");
-        _streamMan.videoRenderer.appDidEnterBackgroundWithoutPiP = false;
+        appDidEnterBackgroundWithoutPip = false;
     } else {
-        _streamMan.videoRenderer.appDidEnterBackgroundWithoutPiP = true;
+        appDidEnterBackgroundWithoutPip = true;
 
         if ([_settings.renderingBackend intValue] == RENDER_METAL && self.metalViewController) {
             Log(LOG_I, @"Pausing Metal renderer on background");

VoidLink/mul.lproj/iPad.xcstrings

@@ -2419,6 +2419,36 @@
         }
       }
     },
+    "hPX-cJ-dgH.text" : {
+      "comment" : "Class = \"UILabel\"; text = \"Mute in Background\"; ObjectID = \"hPX-cJ-dgH\";",
+      "extractionState" : "extracted_with_value",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "new",
+            "value" : "Mute in Background"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "后台静音"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "背景執行静音"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "背景執行静音"
+          }
+        }
+      }
+    },
     "hq8-dy-8BF.text" : {
       "comment" : "Class = \"UILabel\"; text = \"Custom Resolution\"; ObjectID = \"hq8-dy-8BF\";",
       "extractionState" : "extracted_with_value",

VoidLink/mul.lproj/iPhone.xcstrings

@@ -3115,6 +3115,36 @@
         }
       }
     },
+    "PaG-9w-YxB.text" : {
+      "comment" : "Class = \"UILabel\"; text = \"Mute in Background\"; ObjectID = \"PaG-9w-YxB\";",
+      "extractionState" : "extracted_with_value",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "new",
+            "value" : "Mute in Background"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "后台静音"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "背景執行静音"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "背景執行静音"
+          }
+        }
+      }
+    },
     "Pdb-Bs-kMJ.text" : {
       "comment" : "Class = \"UILabel\"; text = \"Statistics Overlay\"; ObjectID = \"Pdb-Bs-kMJ\";",
       "extractionState" : "extracted_with_value",