Merge branch 'Integration' into feat/frame_pacing_metal

# Conflicts:
#	VoidLink.xcodeproj/project.pbxproj
#	VoidLink/Base.lproj/iPad.storyboard
#	VoidLink/Database/DataManager.m
#	VoidLink/Database/TemporarySettings.m
#	VoidLink/SceneDelegate.h
#	VoidLink/Stream/StreamManager.m
#	VoidLink/Stream/VideoDecoderRenderer.h
#	VoidLink/Stream/VideoDecoderRenderer.m
#	VoidLink/ViewControllers/MainFrameViewController.m
#	VoidLink/ViewControllers/SettingsViewController.m

Limelight/Base.lproj/iPhone.storyboard

@@ -570,7 +570,7 @@ ICAgICAgICAgICAgIA
                                 <color key="selectedSegmentTintColor" red="0.6716768742" green="0.61711704730000005" blue="0.99902987480000005" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                             </segmentedControl>
                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="Local Mouse Pointer" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="VGn-Oc-mKc">
-                                <rect key="frame" x="22" y="2007" width="165" height="21"/>
+                                <rect key="frame" x="20" y="2008" width="165" height="21"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                 <fontDescription key="fontDescription" type="boldSystem" pointSize="17"/>
                                 <color key="textColor" red="0.93902439019999995" green="0.9625305918" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
@@ -635,6 +635,23 @@ ICAgICAgICAgICAgIA
                                     <action selector="backToStreamingButtonTapped:" destination="rYd-e6-cQU" eventType="touchUpInside" id="9P0-Yw-T4W"/>
                                 </connections>
                             </button>
+                            <segmentedControl opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="left" contentVerticalAlignment="top" segmentControlStyle="plain" selectedSegmentIndex="0" translatesAutoresizingMaskIntoConstraints="NO" id="dcP-yB-6Un" userLabel="PiP Selector">
+                                <rect key="frame" x="18" y="2102" width="459" height="28"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                <segments>
+                                    <segment title="No"/>
+                                    <segment title="Yes"/>
+                                </segments>
+                                <color key="tintColor" red="0.6716768742" green="0.61711704730000005" blue="0.99902987480000005" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <color key="selectedSegmentTintColor" red="0.6716768742" green="0.61711704730000005" blue="0.99902987480000005" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                            </segmentedControl>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="Enable PiP" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="ELc-8r-KSB">
+                                <rect key="frame" x="20" y="2075" width="86" height="19"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                <fontDescription key="fontDescription" type="boldSystem" pointSize="17"/>
+                                <color key="textColor" red="0.93902439019999995" green="0.9625305918" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <nil key="highlightedColor"/>
+                            </label>
                         </subviews>
                         <color key="backgroundColor" red="0.12156862745098039" green="0.12941176470588237" blue="0.14117647058823529" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     </view>
@@ -664,6 +681,7 @@ ICAgICAgICAgICAgIA
                         <outlet property="optimizeSettingsSelector" destination="Gob-Lu-b1y" id="9Wl-yp-0Ou"/>
                         <outlet property="oscTapExlusionAreaSizeLabel" destination="Dfl-gL-00M" id="Jbg-64-P3M"/>
                         <outlet property="oscTapExlusionAreaSizeSlider" destination="TSt-Hj-uTR" id="h9l-ap-AVd"/>
+                        <outlet property="pipSelector" destination="dcP-yB-6Un" id="rrB-dR-2Bq"/>
                         <outlet property="pointerVelocityModeDividerSlider" destination="xet-C9-l5y" id="GnQ-xU-e0N"/>
                         <outlet property="pointerVelocityModeDividerUILabel" destination="VlN-ZW-1gm" id="vbe-QK-hZb"/>
                         <outlet property="resolutionDisplayView" destination="Dej-Bj-F6i" id="bi4-N6-snx"/>

Limelight/ViewControllers/SettingsViewController.h

@@ -30,6 +30,7 @@
 @property (strong, nonatomic) IBOutlet UISegmentedControl *audioOnPCSelector;
 @property (strong, nonatomic) IBOutlet UISegmentedControl *codecSelector;
 @property (strong, nonatomic) IBOutlet UISegmentedControl *yuv444Selector;
+@property (strong, nonatomic) IBOutlet UISegmentedControl *pipSelector;
 @property (strong, nonatomic) IBOutlet UISegmentedControl *hdrSelector;
 @property (strong, nonatomic) IBOutlet UILabel *frameQueueSizeLabel;
 @property (strong, nonatomic) IBOutlet UISlider *frameQueueSizeSlider;

Limelight/ViewControllers/SettingsViewController.m

@@ -230,7 +230,7 @@ BOOL isCustomResolution(CGSize res) {
 }
 
 - (void)updateResolutionTable{
-    UIWindow *window = UIApplication.sharedApplication.windows.firstObject;
+    UIWindow *window = self.view.window;
     CGFloat screenScale = window.screen.scale;
     CGFloat safeAreaWidth = (window.frame.size.width - window.safeAreaInsets.left - window.safeAreaInsets.right) * screenScale;
     CGFloat appWindowWidth = window.frame.size.width * screenScale;
@@ -467,6 +467,7 @@ BOOL isCustomResolution(CGSize res) {
     }
 
     [self.yuv444Selector setSelectedSegmentIndex:currentSettings.enableYUV444 ? 1 : 0];
+    [self.pipSelector setSelectedSegmentIndex:currentSettings.enablePIP ? 1 : 0];
     [self.statsOverlaySelector setSelectedSegmentIndex:currentSettings.statsOverlayLevel.intValue];
     NSInteger renderingBackend = [currentSettings.renderingBackend integerValue];
     [self.renderingBackendSelector setSelectedSegmentIndex:renderingBackend];
@@ -1122,6 +1123,7 @@ BOOL isCustomResolution(CGSize res) {
     BOOL audioOnPC = [self.audioOnPCSelector selectedSegmentIndex] == 1;
     uint32_t preferredCodec = [self getChosenCodecPreference];
     BOOL enableYUV444 = [self.yuv444Selector selectedSegmentIndex] == 1;
+    BOOL enablePIP = [self.pipSelector selectedSegmentIndex] == 1;
     BOOL btMouseSupport = [self.btMouseSelector selectedSegmentIndex] == 1;
     BOOL useFramePacing = [self.framePacingSelector selectedSegmentIndex] == 1;
     // BOOL absoluteTouchMode = [self.touchModeSelector selectedSegmentIndex] == 1;
@@ -1160,6 +1162,7 @@ BOOL isCustomResolution(CGSize res) {
                            audioOnPC:audioOnPC
                       preferredCodec:preferredCodec
                            enableYUV444:enableYUV444
+                           enablePIP:enablePIP
                       useFramePacing:useFramePacing
                       frameQueueSize:_frameQueueSize
                            enableHdr:enableHdr

VoidLink.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		1829CE3F2E2154DF0074A99A /* SceneDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 1829CE3E2E2154DF0074A99A /* SceneDelegate.m */; };
 		18341A042DEB662C0094E5F2 /* FixedTintImageView.m in Sources */ = {isa = PBXBuildFile; fileRef = 18341A032DEB662C0094E5F2 /* FixedTintImageView.m */; };
 		187F4B282E04658A00EECC59 /* WidgetPanelStackView.m in Sources */ = {isa = PBXBuildFile; fileRef = 187F4B272E04658A00EECC59 /* WidgetPanelStackView.m */; };
 		189AD29A2DE7446000E24B88 /* HostCollectionViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 189AD2992DE7446000E24B88 /* HostCollectionViewController.m */; };
@@ -149,6 +150,8 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
+		1829CE3D2E2154DF0074A99A /* SceneDelegate.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = SceneDelegate.h; sourceTree = "<group>"; };
+		1829CE3E2E2154DF0074A99A /* SceneDelegate.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SceneDelegate.m; sourceTree = "<group>"; };
 		18341A022DEB65AB0094E5F2 /* FixedTintImageView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = FixedTintImageView.h; sourceTree = "<group>"; };
 		18341A032DEB662C0094E5F2 /* FixedTintImageView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = FixedTintImageView.m; sourceTree = "<group>"; };
 		187F4B232E04633100EECC59 /* WidgetPanelStackView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = WidgetPanelStackView.h; sourceTree = "<group>"; };
@@ -599,6 +602,8 @@
 				FBD3495F1A004453002D2A60 /* Database */,
 				FB290CFA19B2C406004C83CF /* Supporting Files */,
 				FB290D0219B2C406004C83CF /* AppDelegate.h */,
+				1829CE3D2E2154DF0074A99A /* SceneDelegate.h */,
+				1829CE3E2E2154DF0074A99A /* SceneDelegate.m */,
 				18341A022DEB65AB0094E5F2 /* FixedTintImageView.h */,
 				18341A032DEB662C0094E5F2 /* FixedTintImageView.m */,
 				FB290D0319B2C406004C83CF /* AppDelegate.m */,
@@ -1041,7 +1046,7 @@
 				97E20DD22E21647A000D5DCA /* MetalVideoRenderer.m in Sources */,
 				84351B2C2C29AD6100A77989 /* OSCProfilesTableViewController.m in Sources */,
 				98D585701C0ED0E800F6CC00 /* TemporarySettings.m in Sources */,
-				97E20DBF2E21637B000D5DCA /* SceneDelegate.m in Sources */,
+				1829CE3F2E2154DF0074A99A /* SceneDelegate.m in Sources */,
 				FB89462819F646E200339C8A /* CryptoManager.m in Sources */,
 				DC1F5A07206436B20037755F /* ConnectionHelper.m in Sources */,
 				FB89462E19F646E200339C8A /* PairManager.m in Sources */,

VoidLink.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -1,4 +1,5 @@
 {
+  "originHash" : "f17bf6f1131c7255a75ffd6a989b69573cb49c332e612dffb429905d8d7afe72",
   "pins" : [
     {
       "identity" : "openssl-package",
@@ -10,5 +11,5 @@
       }
     }
   ],
-  "version" : 2
+  "version" : 3
 }

VoidLink/AppDelegate.h

@@ -10,7 +10,6 @@
 
 @interface AppDelegate : UIResponder <UIApplicationDelegate>
 
-@property (strong, nonatomic) UIWindow *window;
 @property (strong, nonatomic) NSString *pcUuidToLoad;
 @property (strong, nonatomic) void (^shortcutCompletionHandler)(BOOL);
 
@@ -21,5 +20,6 @@
 - (void)saveContext;
 - (NSURL *)applicationDocumentsDirectory;
 - (NSURL*) getStoreURL;
+- (UISceneConfiguration *)application:(UIApplication *)application configurationForConnectingSceneSession:(UISceneSession *)connectingSceneSession options:(UISceneConnectionOptions *)options API_AVAILABLE(ios(13.0));
 
 @end

VoidLink/AppDelegate.m

@@ -27,6 +27,15 @@ static NSString* DB_NAME = @"Moonlight_tvOS.bin";
 static NSString* DB_NAME = @"Limelight_iOS.sqlite";
 #endif
 
+#pragma mark - UISceneSession lifecycle
+
+- (UISceneConfiguration *)application:(UIApplication *)application configurationForConnectingSceneSession:(UISceneSession *)connectingSceneSession options:(UISceneConnectionOptions *)options API_AVAILABLE(ios(13.0)){
+    return [[UISceneConfiguration alloc] initWithName:@"Default Configuration" sessionRole:connectingSceneSession.role];
+}
+
+- (void)application:(UIApplication *)application didDiscardSceneSessions:(NSSet<UISceneSession *> *)sceneSessions API_AVAILABLE(ios(13.0)){
+}
+
 
 #if !TARGET_OS_TV
 

VoidLink/Base.lproj/iPad.storyboard

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="23504" targetRuntime="iOS.CocoaTouch.iPad" propertyAccessControl="none" useAutolayout="YES" colorMatched="YES" initialViewController="EVd-wq-ego">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="23727" targetRuntime="iOS.CocoaTouch.iPad" propertyAccessControl="none" useAutolayout="YES" colorMatched="YES" initialViewController="EVd-wq-ego">
     <device id="ipad11_0rounded" orientation="portrait" layout="fullscreen" appearance="light"/>
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="23506"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="23721"/>
         <capability name="Image references" minToolsVersion="12.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -870,6 +870,27 @@
                                     <constraint firstAttribute="width" constant="380" id="pkz-ek-bOk"/>
                                 </constraints>
                             </stackView>
+                            <stackView opaque="NO" contentMode="scaleToFill" spacing="20" id="12a-Wi-LlL" userLabel="pipStack">
+                                <rect key="frame" x="382" y="1899" width="280" height="31"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                <subviews>
+                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Enable PiP" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="3rP-dh-TJi" userLabel="pipLabel">
+                                        <rect key="frame" x="0.0" y="0.0" width="130" height="31"/>
+                                        <constraints>
+                                            <constraint firstAttribute="width" constant="130" id="ir2-ut-mD3"/>
+                                        </constraints>
+                                        <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="VTC-Z9-IYM" userLabel="pipSwitch">
+                                        <rect key="frame" x="150" y="0.0" width="132" height="31"/>
+                                        <constraints>
+                                            <constraint firstAttribute="width" constant="130" id="ADb-7C-hgx"/>
+                                        </constraints>
+                                    </switch>
+                                </subviews>
+                            </stackView>
                             <stackView opaque="NO" contentMode="scaleToFill" ambiguous="YES" axis="vertical" spacing="5" translatesAutoresizingMaskIntoConstraints="NO" id="6hG-dw-YSr" userLabel="renderingBackend Stack">
                                 <rect key="frame" x="20" y="1166" width="380" height="56.5"/>
                                 <subviews>
@@ -953,7 +974,7 @@
                     </view>
                     <size key="freeformSize" width="682" height="2500"/>
                     <connections>
-                        <outlet property="HdrStack" destination="dH7-Sy-EdJ" id="lVV-l0-VBW"/>
+                        <outlet property="HdrStack" destination="dH7-Sy-EdJ" id="cJm-bj-Aqo"/>
                         <outlet property="audioConfigSelector" destination="iZL-dA-jk9" id="Yja-os-o6g"/>
                         <outlet property="audioConfigStack" destination="qnG-5F-2YY" id="kFX-VK-vuK"/>
                         <outlet property="audioOnPcStack" destination="Bbr-Wj-Z75" id="c2K-3R-whg"/>
@@ -1000,6 +1021,8 @@
                         <outlet property="optimizeGamesStack" destination="TvS-69-vcF" id="pm1-0c-dCR"/>
                         <outlet property="optimizeGamesSwitch" destination="Sui-Ig-YxN" id="Lxu-si-ugy"/>
                         <outlet property="performanceGraphStack" destination="H1O-Hi-8rG" id="AcS-Va-yZs"/>
+                        <outlet property="pipStack" destination="12a-Wi-LlL" id="eTJ-0h-hRB"/>
+                        <outlet property="pipSwitch" destination="VTC-Z9-IYM" id="gzC-rU-DoP"/>
                         <outlet property="pointerVelocityDividerStack" destination="b1U-nD-gYE" id="ep1-K3-rKj"/>
                         <outlet property="pointerVelocityFactorStack" destination="vdk-mK-ztu" id="Cik-Rh-pGS"/>
                         <outlet property="pointerVelocityModeDividerSlider" destination="AcZ-2i-GI4" id="dGf-ZU-w3S"/>

VoidLink/Base.lproj/iPhone.storyboard

@@ -1520,6 +1520,27 @@
                                     <constraint firstAttribute="width" constant="380" id="zIc-GX-mTA"/>
                                 </constraints>
                             </stackView>
+                            <stackView opaque="NO" contentMode="scaleToFill" spacing="20" id="hvN-TZ-ziV" userLabel="pipStack">
+                                <rect key="frame" x="437" y="1618" width="280" height="31"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                <subviews>
+                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Enable PiP" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="4Ul-P6-eUk" userLabel="pipLabel">
+                                        <rect key="frame" x="0.0" y="0.0" width="130" height="31"/>
+                                        <constraints>
+                                            <constraint firstAttribute="width" constant="130" id="BBk-4S-vkO"/>
+                                        </constraints>
+                                        <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="mgR-dj-4gu" userLabel="pipSwitch">
+                                        <rect key="frame" x="150" y="0.0" width="132" height="31"/>
+                                        <constraints>
+                                            <constraint firstAttribute="width" constant="130" id="ke0-cJ-jZt"/>
+                                        </constraints>
+                                    </switch>
+                                </subviews>
+                            </stackView>
                         </subviews>
                         <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                     </view>
@@ -1565,6 +1586,8 @@
                         <outlet property="onscreenControllerLabel" destination="5uF-E5-hpX" id="Ntz-sT-O6S"/>
                         <outlet property="optimizeGamesStack" destination="Col-Dm-lwT" id="ng3-CV-HLd"/>
                         <outlet property="optimizeGamesSwitch" destination="zGD-yR-gUS" id="Gji-vK-txl"/>
+                        <outlet property="pipStack" destination="hvN-TZ-ziV" id="6oL-0b-Bto"/>
+                        <outlet property="pipSwitch" destination="mgR-dj-4gu" id="b8b-7E-wrq"/>
                         <outlet property="pointerVelocityDividerStack" destination="Jp2-5v-Zr0" id="0mB-RI-df8"/>
                         <outlet property="pointerVelocityFactorStack" destination="PAv-Ep-ZJo" id="fxb-uz-e1a"/>
                         <outlet property="pointerVelocityModeDividerSlider" destination="OMw-Ew-fBX" id="Yki-z6-7bh"/>

VoidLink/Database/DataManager.h

@@ -75,6 +75,7 @@ typedef NS_ENUM(NSInteger, SettingsMenuMode) {
                        audioOnPC:(BOOL)audioOnPC
                   preferredCodec:(uint32_t)preferredCodec
                        enableYUV444:(BOOL)enableYUV444
+                       enablePIP:(BOOL)enablePIP
                   useFramePacing:(BOOL)useFramePacing
                        enableHdr:(BOOL)enableHdr
                   btMouseSupport:(BOOL)btMouseSupport

VoidLink/Database/DataManager.m

@@ -81,9 +81,11 @@
                        audioOnPC:(BOOL)audioOnPC
                   preferredCodec:(uint32_t)preferredCodec
                        enableYUV444:(BOOL)enableYUV444
+                       enablePIP:(BOOL)enablePIP
                   useFramePacing:(BOOL)useFramePacing
                        enableHdr:(BOOL)enableHdr
                   btMouseSupport:(BOOL)btMouseSupport
+               // absoluteTouchMode:(BOOL)absoluteTouchMode
                        touchMode:(NSInteger)touchMode
                statsOverlayLevel:(NSInteger)statsOverlayLevel
                     statsOverlayEnabled:(BOOL)statsOverlayEnabled
@@ -124,6 +126,7 @@
         settingsToSave.playAudioOnPC = audioOnPC;
         settingsToSave.preferredCodec = preferredCodec;
         settingsToSave.enableYUV444 = enableYUV444;
+        settingsToSave.enablePIP = enablePIP;
         settingsToSave.enableHdr = enableHdr;
         settingsToSave.btMouseSupport = btMouseSupport;
         // settingsToSave.absoluteTouchMode = absoluteTouchMode;

VoidLink/Database/TemporarySettings.h

@@ -46,6 +46,7 @@
     CODEC_PREF_AV1,
 } preferredCodec;
 @property (nonatomic) BOOL enableYUV444;
+@property (nonatomic) BOOL enablePIP;
 @property (nonatomic) BOOL reverseMouseWheelDirection;
 @property (nonatomic, retain) NSNumber * asyncNativeTouchPriority;
 @property (nonatomic) BOOL useFramePacing;

VoidLink/Database/TemporarySettings.m

@@ -41,6 +41,7 @@
     assert([self.audioConfig intValue] != 0);
     self.preferredCodec = (typeof(self.preferredCodec))[[NSUserDefaults standardUserDefaults] integerForKey:@"preferredCodec"];
     self.enableYUV444 = [[NSUserDefaults standardUserDefaults] boolForKey:@"enableYUV444"];
+    self.enablePIP = [[NSUserDefaults standardUserDefaults] boolForKey:@"enablePIP"];
     self.frameQueueSize = [NSNumber numberWithInteger:[[NSUserDefaults standardUserDefaults] integerForKey:@"frameQueueSize"]];
     self.playAudioOnPC = [[NSUserDefaults standardUserDefaults] boolForKey:@"audioOnPC"];
     self.enableHdr = [[NSUserDefaults standardUserDefaults] boolForKey:@"enableHdr"];
@@ -85,6 +86,7 @@
     self.audioConfig = settings.audioConfig;
     self.preferredCodec = settings.preferredCodec;
     self.enableYUV444 = settings.enableYUV444;
+    self.enablePIP = settings.enablePIP;
     self.frameQueueSize = settings.frameQueueSize;
     self.playAudioOnPC = settings.playAudioOnPC;
     self.enableHdr = settings.enableHdr;

VoidLink/Input/StreamView.h

@@ -63,7 +63,6 @@
 - (void)keyboardWillShow:(NSNotification *)notification;
 - (void)keyboardWillHide;
 
-
 #if !TARGET_OS_TV
 - (void) updateCursorLocation:(CGPoint)location isMouse:(BOOL)isMouse;
 #endif

VoidLink/Input/StreamView.m

@@ -364,6 +364,7 @@ static const double X1_MOUSE_SPEED_DIVISOR = 2.5;
 #endif
 }
 
+
 // we'll enable on screen buttons, and disable on screen controllers for absolute touch
 - (bool) isOscEnabled{
     return (settings.touchMode.intValue == RelativeTouch || settings.touchMode.intValue == NativeTouch) && settings.onscreenControls.intValue != OnScreenControlsLevelOff;

VoidLink/Limelight-Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>GCSupportsGameMode</key>
+	<true/>
 	<key>CADisableMinimumFrameDuration</key>
 	<true/>
 	<key>CADisableMinimumFrameDurationOnPhone</key>
@@ -66,11 +68,36 @@
 	<string>Moonlight uses the device Gyro and Acceleration data to emulate motion controls when streaming.</string>
 	<key>UIApplicationSceneManifest</key>
 	<dict>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleExternalDisplay</key>
+			<array>
+				<dict>
+					<key>UISceneDelegateClassName</key>
+					<string>SceneDelegate</string>
+					<key>UISceneConfigurationName</key>
+					<string>External Display Configuration</string>
+				</dict>
+			</array>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneConfigurationName</key>
+					<string>Default Configuration</string>
+					<key>UISceneDelegateClassName</key>
+					<string>SceneDelegate</string>
+				</dict>
+			</array>
+		</dict>
 		<key>UIApplicationSupportsMultipleScenes</key>
-		<false/>
+		<true/>
 	</dict>
 	<key>UIApplicationSupportsIndirectInputEvents</key>
 	<true/>
+	<key>UIBackgroundModes</key>
+	<array>
+		<string>audio</string>
+	</array>
 	<key>UILaunchStoryboardName</key>
 	<string>Launch Screen</string>
 	<key>UIMainStoryboardFile</key>

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

@@ -28,6 +28,7 @@
         <attribute name="deviceGyroMode" optional="YES" attributeType="Integer 32" defaultValueString="0" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="enableGraphs" optional="YES" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES" syncable="YES"/>
         <attribute name="enableHdr" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES" syncable="YES"/>
+        <attribute name="enablePIP" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES" syncable="YES"/>
         <attribute name="enableYUV444" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES" syncable="YES"/>
         <attribute name="externalDisplayMode" optional="YES" attributeType="Integer 16" defaultValueString="1" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="frameQueueSize" optional="YES" attributeType="Integer 32" defaultValueString="2" usesScalarValueType="NO" syncable="YES"/>

VoidLink/Localization/Localizable.xcstrings

@@ -214,6 +214,29 @@
         }
       }
     },
+    "[ Enter picture-in-picture mode ]" : {
+      "extractionState" : "manual",
+      "localizations" : {
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "[ 进入画中画模式 ]"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "[ 进入画中画模式 ]"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "[ 进入画中画模式 ]"
+          }
+        }
+      }
+    },
     "[ Open on-screen widget tool ]" : {
       "extractionState" : "manual",
       "localizations" : {

VoidLink/SceneDelegate.h

@@ -9,4 +9,3 @@
 - (void)updatePreferredDisplayMode:(BOOL)streamActive withRenderView:(UIView *)renderView;
 
 @end
-

VoidLink/Stream/Connection.m

@@ -273,7 +273,9 @@ int ArInit(int audioConfiguration, POPUS_MULTISTREAM_CONFIGURATION opusConfig, v
     SDL_PauseAudioDevice(audioDevice, 0);
     
     // Disable lowering volume of other audio streams (SDL sets AVAudioSessionCategoryOptionDuckOthers by default)
+
     [[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback withOptions:AVAudioSessionCategoryOptionMixWithOthers error:nil];
+ 
     
     return 0;
 }

VoidLink/Stream/StreamConfiguration.h

@@ -20,6 +20,7 @@
 @property NSString* rtspSessionUrl;
 @property int serverCodecModeSupport;
 @property BOOL enableYUV444;
+@property BOOL enablePIP;
 @property int width;
 @property int height;
 @property int frameRate;

VoidLink/Stream/StreamConfiguration.m

@@ -9,5 +9,5 @@
 #import "StreamConfiguration.h"
 
 @implementation StreamConfiguration
-@synthesize host, httpsPort, appID, width, height, frameRate, bitRate, riKeyId, riKey, gamepadMask, appName, optimizeGameSettings, playAudioOnPC, swapABXYButtons, gyroMode, audioConfiguration, supportedVideoFormats, multiController, serverCert, rtspSessionUrl, serverCodecModeSupport, enableYUV444;
+@synthesize host, httpsPort, appID, width, height, frameRate, bitRate, riKeyId, riKey, gamepadMask, appName, optimizeGameSettings, playAudioOnPC, swapABXYButtons, gyroMode, audioConfiguration, supportedVideoFormats, multiController, serverCert, rtspSessionUrl, serverCodecModeSupport, enableYUV444, enablePIP;
 @end

VoidLink/Stream/StreamManager.h

@@ -14,6 +14,8 @@
 
 @interface StreamManager : NSOperation
 
+@property (nonatomic, strong, readonly) VideoDecoderRenderer *videoRenderer;
+
 - (id) initWithConfig:(StreamConfiguration*)config renderView:(UIView*)view connectionCallbacks:(id<ConnectionCallbacks>)callback;
 
 - (void) stopStream;

VoidLink/Stream/StreamManager.m

@@ -30,6 +30,7 @@
     UIView* _renderView;
     id<ConnectionCallbacks> _callbacks;
     Connection* _connection;
+    VideoDecoderRenderer* _videoRenderer;
 }
 
 - (id) initWithConfig:(StreamConfiguration*)config renderView:(UIView*)view connectionCallbacks:(id<ConnectionCallbacks>)callbacks {
@@ -104,8 +105,9 @@
     
     // Initializing the renderer must be done on the main thread
     dispatch_async(dispatch_get_main_queue(), ^{
-        VideoDecoderRenderer* renderer = [[VideoDecoderRenderer alloc] initWithView:self->_renderView callbacks:self->_callbacks streamAspectRatio:(float)self->_config.width / (float)self->_config.height];
+        self->_videoRenderer = [[VideoDecoderRenderer alloc] initWithView:self->_renderView callbacks:self->_callbacks streamAspectRatio:(float)self->_config.width / (float)self->_config.height];
-        self->_connection = [[Connection alloc] initWithConfig:self->_config renderer:renderer connectionCallbacks:self->_callbacks];
+
+        self->_connection = [[Connection alloc] initWithConfig:self->_config renderer:self->_videoRenderer connectionCallbacks:self->_callbacks];
         NSOperationQueue* opQueue = [[NSOperationQueue alloc] init];
         [opQueue addOperation:self->_connection];
     });
@@ -154,7 +156,7 @@
 
 - (NSString*) getStatsOverlayText {
     video_stats_t stats;
-    
+
     if (!_connection) {
         return nil;
     }
@@ -187,10 +189,10 @@
     float interval = stats.endTime - stats.startTime;
     float scalePlotMetrics = stats.frameDropMetrics.nsamples > 0 ? ((float)stats.frameDropMetrics.nsamples / stats.totalFrames) : 1.0f;
     float fps = (stats.totalFrames - stats.networkDroppedFrames - (stats.frameDropMetrics.total / scalePlotMetrics)) / interval;
-    
+
     double avgVideoMbps = [_connection getBwTracker].averageMbps;
     double peakVideoMbps = [_connection getBwTracker].peakMbps;
-    
+
     return [NSString stringWithFormat:@"Video stream: %dx%d %.2f FPS (Codec: %@)\n"
             "Bitrate: %.1f Mbps, Peak: %.1f, Renderer: %@\n"
             "%@"

VoidLink/Stream/VideoDecoderRenderer.m

@@ -58,10 +58,12 @@ extern int ff_isom_write_av1c(AVIOContext *pb, const uint8_t *buf, int size,
 
 - (void)reinitializeDisplayLayer
 {
-    CALayer *oldLayer = _displayLayer;
+    if (_displayLayer == nil) {
-
+        _displayLayer = [[AVSampleBufferDisplayLayer alloc] init];
-    _displayLayer = [[AVSampleBufferDisplayLayer alloc] init];
+        _displayLayer.backgroundColor = [UIColor blackColor].CGColor;
-    _displayLayer.backgroundColor = [UIColor blackColor].CGColor;
+        _displayLayer.videoGravity = AVLayerVideoGravityResize;
+        [_view.layer addSublayer:_displayLayer];
+    }
 
     // Ensure the AVSampleBufferDisplayLayer is sized to preserve the aspect ratio
     // of the video stream. We used to use AVLayerVideoGravityResizeAspect, but that
@@ -74,26 +76,20 @@ extern int ff_isom_write_av1c(AVIOContext *pb, const uint8_t *buf, int size,
     } else {
         videoSize = CGSizeMake(_view.bounds.size.width, _view.bounds.size.width / _streamAspectRatio);
     }
+
+    [CATransaction begin];
+    [CATransaction setDisableActions:YES];
     _displayLayer.position = CGPointMake(CGRectGetMidX(_view.bounds), CGRectGetMidY(_view.bounds));
     _displayLayer.bounds = CGRectMake(0, 0, videoSize.width, videoSize.height);
-    _displayLayer.videoGravity = AVLayerVideoGravityResize;
+    [CATransaction commit];
 
     // Hide the layer until we get an IDR frame. This ensures we
     // can see the loading progress label as the stream is starting.
     _displayLayer.hidden = YES;
-
+    
-    if (oldLayer != nil) {
+    if (formatDesc != nil) {
-        // Switch out the old display layer with the new one
+        CFRelease(formatDesc);
-        [_view.layer replaceSublayer:oldLayer with:_displayLayer];
+        formatDesc = nil;
-    }
-    else {
-        [_view.layer addSublayer:_displayLayer];
-    }
-
-    if (_formatDesc != nil) {
-        CFRelease(_formatDesc);
-        _formatDesc = nil;
-    }
 
     if (_formatDescImageBuffer != nil) {
         CFRelease(_formatDescImageBuffer);
@@ -729,7 +725,22 @@ int DrSubmitDecodeUnit(PDECODE_UNIT decodeUnit);
         free(data);
         return DR_NEED_IDR;
     }
+    
+    // Check for previous decoder errors before doing anything
+    if (_displayLayer.status == AVQueuedSampleBufferRenderingStatusFailed) {
+        Log(LOG_E, @"Display layer rendering failed: %@", _displayLayer.error);
 
+        [self->_displayLayer flushAndRemoveImage];
+
+        // Recreate the display layer. We are already on the main thread,
+        // so this is safe to do right here.
+        [self reinitializeDisplayLayer];
+        
+        // Request an IDR frame to initialize the new decoder
+        free(data);
+        return DR_NEED_IDR;
+    }
+    
     // Now we're decoding actual frame data here
     CMBlockBufferRef frameBlockBuffer;
     CMBlockBufferRef dataBlockBuffer;

VoidLink/ViewControllers/MainFrameViewController.m

@@ -75,6 +75,8 @@
     StreamFrameViewController* streamFrameViewController;
     id navBarAppearanceStandard;
 
+    NSTimer *_foregroundHostUpdateTimer;
+
 #if TARGET_OS_TV
     UITapGestureRecognizer* _menuRecognizer;
 #endif
@@ -1497,20 +1499,6 @@ static NSMutableSet* hostList;
     
     _boxArtCache = [[NSCache alloc] init];
 
-    //recordedScreenWidth = CGRectGetWidth([[UIScreen mainScreen] bounds]);
-    CGFloat screenWidthInPoints = CGRectGetWidth([[UIScreen mainScreen] bounds]);
-    CGFloat screenHeightInPoints = CGRectGetHeight([[UIScreen mainScreen] bounds]);
-
-    // deal with scroll host view reload after device orientation change here:
-    bool isLandscape = screenWidthInPoints > screenHeightInPoints;
-    CGFloat realViewFrameWidth = self.view.frame.size.width > self.view.frame.size.height ? self.view.frame.size.width : self.view.frame.size.height;
-    CGFloat realViewFrameHeight = self.view.frame.size.width < self.view.frame.size.height ? self.view.frame.size.width : self.view.frame.size.height;
-    if(!isLandscape) {
-        CGFloat tmpLength = realViewFrameWidth;
-        realViewFrameWidth = realViewFrameHeight;
-        realViewFrameHeight = tmpLength;
-    }
-
 
     self.collectionView.delaysContentTouches = NO;
     self.collectionView.allowsMultipleSelection = NO;
@@ -1528,7 +1516,6 @@ static NSMutableSet* hostList;
 
     // if ([hostList count] == 1) [self hostClicked:[hostList anyObject] view:nil]; // auto click for single host
 
-
     //if([SettingsViewController isLandscapeNow] != _streamConfig.width > _streamConfig.height)
     //[self simulateSettingsButtonPress]; //force expand setting view if orientation changed since last quit from app.
     //[self simulateSettingsButtonPress]; //force expand setting view if orientation changed since last quit from app.
@@ -1638,10 +1625,13 @@ static NSMutableSet* hostList;
 {
     if (!_background) {
         // This will kick off box art caching
-        [self updateHosts];
+
+
+        _foregroundHostUpdateTimer = [NSTimer scheduledTimerWithTimeInterval:5 repeats:YES block:^(NSTimer *timer) {
+           [self updateHosts];
+        }];
         
-        // Reset state first so we can rediscover hosts that were deleted before
+
-        [_discMan resetDiscoveryState];
         [_discMan startDiscovery];
         
         // This will refresh the applist when a paired host is selected
@@ -1743,7 +1733,12 @@ static NSMutableSet* hostList;
 }
 
 
-
+- (void)viewWillDisappear:(BOOL)animated{
+    NSLog(@"willDisappear");
+    [super viewWillDisappear:animated];
+    [_foregroundHostUpdateTimer invalidate];
+    _foregroundHostUpdateTimer = nil;
+}
 
 - (void)viewWillAppear:(BOOL)animated
 {
@@ -1862,13 +1857,13 @@ static NSMutableSet* hostList;
 }
 
 - (void)updateHosts {
-    Log(LOG_I, @"Updating hosts...");
+    Log(LOG_I, @"Updating hosts %f", CACurrentMediaTime());
     @synchronized (hostList) {
         // Sort the host list in alphabetical order
         NSArray* sortedHostList = [[hostList allObjects] sortedArrayUsingSelector:@selector(compareName:)];
         for (TemporaryHost* comp in sortedHostList) {
-            if(comp.state == StateOnline || comp.pairState == PairStatePaired) [self.hostCollectionVC addHost:comp];
             
+if(comp.state == StateOnline || comp.pairState == PairStatePaired || comp.pairState == PairStateUnknown) [self.hostCollectionVC addHost:comp];
 
             // new host card test
             // if([comp.name isEqualToString: @"ASRockPC"]) {
@@ -1903,6 +1898,9 @@ static NSMutableSet* hostList;
     
     // Update the title in case we now have a PC
     [self updateTitle];
+
+    // Reset state first so we can rediscover hosts that were deleted before
+    [_discMan resetDiscoveryState];
 }
 
 // This function forces immediate decoding of the UIImage, rather

VoidLink/ViewControllers/SWRevealViewController.m

@@ -800,8 +800,8 @@ const int FrontViewPositionNone = 0xff;
 }
 
 - (UIInterfaceOrientationMask)getCurrentOrientation{
-    CGFloat screenHeightInPoints = CGRectGetHeight([[UIScreen mainScreen] bounds]);
+    CGFloat screenHeightInPoints = CGRectGetHeight(self.view.bounds);
-    CGFloat screenWidthInPoints = CGRectGetWidth([[UIScreen mainScreen] bounds]);
+    CGFloat screenWidthInPoints = CGRectGetWidth(self.view.bounds);
     //lock the orientation accordingly after streaming is started
     if(screenWidthInPoints > screenHeightInPoints) return UIInterfaceOrientationMaskLandscape;
     else return UIInterfaceOrientationMaskPortrait|UIInterfaceOrientationMaskPortraitUpsideDown;

VoidLink/ViewControllers/SettingsViewController.h

@@ -47,6 +47,7 @@
 @property (strong, nonatomic) IBOutlet UISwitch *audioOnPcSwitch;
 @property (strong, nonatomic) IBOutlet UIStackView *codecStack;
 @property (strong, nonatomic) IBOutlet UIStackView *yuv444Stack;
+@property (strong, nonatomic) IBOutlet UIStackView *pipStack;
 @property (strong, nonatomic) IBOutlet UIStackView *HdrStack;
 @property (strong, nonatomic) IBOutlet UIStackView *framepacingStack;
 @property (strong, nonatomic) IBOutlet UIStackView *reverseMouseWheelDirectionStack;
@@ -75,6 +76,7 @@
 @property (strong, nonatomic) IBOutlet UISegmentedControl *codecSelector;
 @property (strong, nonatomic) IBOutlet UISwitch *hdrSwitch;
 @property (strong, nonatomic) IBOutlet UISwitch *yuv444Switch;
+@property (strong, nonatomic) IBOutlet UISwitch *pipSwitch;
 @property (strong, nonatomic) IBOutlet UISegmentedControl *framePacingSelector;
 @property (strong, nonatomic) IBOutlet UISegmentedControl *reverseMouseWheelDirectionSelector;
 @property (strong, nonatomic) IBOutlet UISegmentedControl *statsOverlaySelector;

VoidLink/ViewControllers/SettingsViewController.m

@@ -255,7 +255,7 @@ BOOL isCustomResolution(CGSize res) {
 }
 
 - (void)updateResolutionTable{
-    UIWindow *window = UIApplication.sharedApplication.windows.firstObject;
+    UIWindow *window = self.view.window;
     CGFloat screenScale = window.screen.scale;
     CGFloat safeAreaWidth = (window.frame.size.width - window.safeAreaInsets.left - window.safeAreaInsets.right) * screenScale;
     CGFloat appWindowWidth = window.frame.size.width * screenScale;
@@ -484,9 +484,10 @@ BOOL isCustomResolution(CGSize res) {
     [self addSetting:self.codecStack ofId:@"codecStack" withInfoTag:NO withDynamicLabel:NO to:videoSection];
     [self addSetting:self.HdrStack ofId:@"HdrStack" withInfoTag:NO withDynamicLabel:NO to:videoSection];
     [self addSetting:self.yuv444Stack ofId:@"yuv444Stack" withInfoTag:YES withDynamicLabel:NO to:videoSection];
+    [self addSetting:self.pipStack ofId:@"pipStack" withInfoTag:YES withDynamicLabel:NO to:videoSection];
     [self addSetting:self.frameQueueSizeStack ofId:@"frameQueueSizeStack" withInfoTag:NO withDynamicLabel:NO to:videoSection];
     [self addSetting:self.renderingBackendStack ofId:@"renderingBackendStack" withInfoTag:YES withDynamicLabel:NO to:videoSection];
-    
+
     [videoSection addToParentStack:_parentStack];
     [videoSection setExpanded:YES];
 
@@ -1254,8 +1255,9 @@ BOOL isCustomResolution(CGSize res) {
     }
 
     [self.yuv444Switch setOn:currentSettings.enableYUV444];
+    [self.pipSwitch setOn:currentSettings.enablePIP];
     [self.statsOverlaySelector setSelectedSegmentIndex:currentSettings.statsOverlayLevel.intValue];
-    
+
     NSInteger renderingBackend = [currentSettings.renderingBackend integerValue];
     [self.renderingBackendSelector setSelectedSegmentIndex:renderingBackend];
 
@@ -1287,7 +1289,7 @@ BOOL isCustomResolution(CGSize res) {
     [self.bitrateSlider addTarget:self action:@selector(bitrateSliderMoved) forControlEvents:UIControlEventValueChanged];
     [self updateBitrateText];
     [self updateResolutionDisplayLabel];
-    
+
     [self.frameQueueSizeSlider setMinimumValue:1];
     [self.frameQueueSizeSlider setMaximumValue:5];
     [self.frameQueueSizeSlider setValue:_frameQueueSize];
@@ -1988,16 +1990,16 @@ BOOL isCustomResolution(CGSize res) {
     NSInteger onscreenControls = [self.onScreenWidgetSelector selectedSegmentIndex];
     NSInteger keyboardToggleFingers = self.softKeyboardGestureSelector.selectedSegmentIndex == 3 ? 20 : self.softKeyboardGestureSelector.selectedSegmentIndex+3;
     NSInteger oscLayoutToolFingers = (uint16_t)self->oswLayoutFingers;
-    
+
     CGFloat slideToSettingsDistance = self.slideToMenuDistanceSlider.value;
     uint32_t slideToSettingsScreenEdge = [self getScreenEdgeFromSelector];
     CGFloat pointerVelocityModeDivider = (CGFloat)(uint8_t)self.pointerVelocityModeDividerSlider.value/100;
     CGFloat touchPointerVelocityFactor = (CGFloat)(uint16_t)[self map_velocFactorDisplay_fromSliderValue:self.touchPointerVelocityFactorSlider.value]/100;
     CGFloat mousePointerVelocityFactor = (CGFloat)(uint16_t)[self map_velocFactorDisplay_fromSliderValue:self.mousePointerVelocityFactorSlider.value]/100;
     CGFloat gyroSensitivity = (CGFloat)(uint16_t)self.gyroSensitivitySlider.value/100;
-    
+
     uint16_t touchMoveEventInterval = (uint16_t)self.touchMoveEventIntervalSlider.value;
-    
+
     BOOL reverseMouseWheelDirection = [self.reverseMouseWheelDirectionSelector selectedSegmentIndex] == 1;
     NSInteger asyncNativeTouchPriority = 1;
     //BOOL liftStreamViewForKeyboard = [self.liftStreamViewForKeyboardSelector selectedSegmentIndex] == 1;
@@ -2010,6 +2012,7 @@ BOOL isCustomResolution(CGSize res) {
     BOOL audioOnPC = self.audioOnPcSwitch.isOn;
     uint32_t preferredCodec = [self getChosenCodecPreference];
     BOOL enableYUV444 = self.yuv444Switch.isOn;
+    BOOL enablePIP = self.pipSwitch.isOn;
     BOOL btMouseSupport = self.citrixX1MouseSwitch.isOn;
     BOOL useFramePacing = [self.framePacingSelector selectedSegmentIndex] == 1;
     NSInteger touchMode = [self isNotNativeTouchOnly] ? self.touchModeSelector.selectedSegmentIndex : NativeTouchOnly;
@@ -2047,6 +2050,7 @@ BOOL isCustomResolution(CGSize res) {
                            audioOnPC:audioOnPC
                       preferredCodec:preferredCodec
                         enableYUV444:enableYUV444
+                           enablePIP:enablePIP
                       useFramePacing:useFramePacing
                            enableHdr:enableHdr
                       btMouseSupport:btMouseSupport

VoidLink/ViewControllers/StreamFrameViewController.h

@@ -17,18 +17,23 @@
 #import "StreamView.h"
 #import "LayoutOnScreenControlsViewController.h"
 #import "MainFrameViewController.h"
+#import "StreamManager.h"
 
+#import <AVKit/AVKit.h>
 #import <UIKit/UIKit.h>
 
 #if TARGET_OS_TV
 @import GameController;
 
-@interface StreamFrameViewController : GCEventViewController <ConnectionCallbacks, ControllerSupportDelegate, UserInteractionDelegate, UIScrollViewDelegate>
+@interface StreamFrameViewController : GCEventViewController <ConnectionCallbacks, ControllerSupportDelegate, UserInteractionDelegate, UIScrollViewDelegate, AVPictureInPictureControllerDelegate>
 #else
-@interface StreamFrameViewController : UIViewController <ConnectionCallbacks, ControllerSupportDelegate, UserInteractionDelegate, UIScrollViewDelegate, ToolboxSpecialEntryDelegate>
+@interface StreamFrameViewController : UIViewController <ConnectionCallbacks, ControllerSupportDelegate, UserInteractionDelegate, UIScrollViewDelegate, ToolboxSpecialEntryDelegate, AVPictureInPictureControllerDelegate>
 
 #endif
+@property (nonatomic) StreamManager* streamMan;
 @property (nonatomic) StreamConfiguration* streamConfig;
+@property (nonatomic, strong) AVPictureInPictureController *pipController API_AVAILABLE(ios(9.0));
+@property (nonatomic, strong) AVPictureInPictureControllerContentSource *pipContentSource API_AVAILABLE(ios(15.0)); // Needed for iOS 15+ layer-based PiP
 @property (nonatomic, assign) MainFrameViewController *mainFrameViewcontroller;
 
 @property (nonatomic, strong) MetalViewController *metalViewController;

VoidLink/ViewControllers/StreamFrameViewController.m

@@ -9,10 +9,12 @@
 //  Copyright © 2024 True砖家 @ Bilibili. All rights reserved.
 //
 
+#import <AVKit/AVKit.h>
 #import "StreamFrameViewController.h"
 #import "MainFrameViewController.h"
 #import "VideoDecoderRenderer.h"
 #import "StreamManager.h"
+#import "SceneDelegate.h"
 #import "ControllerSupport.h"
 #import "DataManager.h"
 #import "PaddedLabel.h"
@@ -75,6 +77,8 @@
      */
     UIWindow *_deviceWindow;
     dispatch_block_t _delayedRemoveExtScreen;
+    VideoDecoderRenderer *_videoRenderer;
+    BOOL _isRestoringFromPiP;
 #if !TARGET_OS_TV
     CustomEdgeSlideGestureRecognizer *_slideToSettingsRecognizer;
     CustomEdgeSlideGestureRecognizer *_slideToCmdToolRecognizer;
@@ -86,12 +90,67 @@
     UITapGestureRecognizer *_menuDoubleTapGestureRecognizer;
     UITapGestureRecognizer *_playPauseTapGestureRecognizer;
 #endif
+
+}
+
+- (void)pictureInPictureControllerWillStartPictureInPicture:(AVPictureInPictureController *)pictureInPictureController {
+    _streamView.hidden = YES;
+}
+
+- (void)pictureInPictureControllerDidStartPictureInPicture:(AVPictureInPictureController *)pictureInPictureController {
+}
+
+- (void)pictureInPictureController:(AVPictureInPictureController *)pictureInPictureController failedToStartPictureInPictureWithError:(NSError *)error {
+    Log(LOG_E, @"PiP Failed to Start: %@", error);
+    _streamView.hidden = NO;
+}
+
+- (void)pictureInPictureControllerWillStopPictureInPicture:(AVPictureInPictureController *)pictureInPictureController {
+}
+
+- (void)pictureInPictureControllerDidStopPictureInPicture:(AVPictureInPictureController *)pictureInPictureController {
+    _streamView.hidden = NO;
+    if (!_isRestoringFromPiP) {
+        [self returnToMainFrame];
+    }
+    _isRestoringFromPiP = NO;
+}
+
+- (void)pictureInPictureController:(AVPictureInPictureController *)pictureInPictureController restoreUserInterfaceForPictureInPictureStopWithCompletionHandler:(void (^)(BOOL restored))completionHandler {
+    _isRestoringFromPiP = YES;
+    _streamView.hidden = NO;
+    completionHandler(YES);
+}
+
+- (void)pictureInPictureController:(AVPictureInPictureController *)pictureInPictureController
+           didTransitionToRenderSize:(CMVideoDimensions)newRenderSize API_AVAILABLE(ios(15.0)){
+    Log(LOG_I, @"PiP transitioned to size: %d x %d", newRenderSize.width, newRenderSize.height);
+ }
+
+// Indicate that playback is never paused for a live stream
+- (BOOL)pictureInPictureControllerIsPlaybackPaused:(AVPictureInPictureController *)pictureInPictureController API_AVAILABLE(ios(14.0)) {
+    return NO;
+}
+
+// Return an indefinite time range for a live stream
+- (CMTimeRange)pictureInPictureControllerTimeRangeForPlayback:(AVPictureInPictureController *)pictureInPictureController API_AVAILABLE(ios(14.0)) {
+    return CMTimeRangeMake(kCMTimeZero, kCMTimePositiveInfinity);
+}
+
+- (void)pictureInPictureController:(AVPictureInPictureController *)pictureInPictureController setPlaying:(BOOL)playing API_AVAILABLE(ios(14.0)) {
+}
+
+// Live streams typically can't skip, so just call the completion handler.
+- (void)pictureInPictureController:(AVPictureInPictureController *)pictureInPictureController skipByInterval:(CMTime)skipInterval completionHandler:(void (^)(void))completionHandler API_AVAILABLE(ios(14.0)) {
+    if (completionHandler) {
+        completionHandler();
+    }
 }
 
 - (BOOL)isFirstLaunch {
     NSString *key = @"hasLaunchedBefore";
     BOOL launchedBefore = [[NSUserDefaults standardUserDefaults] boolForKey:key];
-    
+
     if (!launchedBefore) {
         [[NSUserDefaults standardUserDefaults] setBool:YES forKey:key];
         [[NSUserDefaults standardUserDefaults] synchronize]; // iOS 12+ 可省略
@@ -105,10 +164,71 @@
     return (_settings.touchMode.intValue == RelativeTouch || _settings.touchMode.intValue == NativeTouch || _settings.touchMode.intValue == AbsoluteTouch) && _settings.onscreenControls.intValue == OnScreenControlsLevelCustom;
 }
 
-- (void)configOscLayoutTool{
+- (void)setupPiPControllerWithRenderer:(VideoDecoderRenderer *)videoRenderer {    // Ensure we have the renderer and its layer
+    if (self.pipController) {
+        return;
+    }
+    Log(LOG_I, @"Setting up PiP controller...");
+
+    if (!videoRenderer || !videoRenderer.displayLayer) {
+        Log(LOG_E, @"PiP setup failed: Video renderer or display layer not ready.");
+        return;
+    }
+
+    AVSampleBufferDisplayLayer *streamLayer = videoRenderer.displayLayer;
+
+    if ([AVPictureInPictureController isPictureInPictureSupported]) {
+        if (@available(iOS 15.0, *)) {
+            self.pipContentSource = [[AVPictureInPictureControllerContentSource alloc] initWithSampleBufferDisplayLayer:streamLayer playbackDelegate:(id<AVPictureInPictureSampleBufferPlaybackDelegate>)self];
+            self.pipController = [[AVPictureInPictureController alloc] initWithContentSource:self.pipContentSource];
+            self.pipController.canStartPictureInPictureAutomaticallyFromInline = YES;
+        } else {
+            Log(LOG_E, @"PiP not fully supported on this device.");
+            return;
+        }
+
+        if (self.pipController) {
+            self.pipController.delegate = self;
+            Log(LOG_I, @"PiP controller created successfully.");
+        } else {
+            Log(LOG_E, @"Failed to create PiP controller.");
+        }
+    } else {
+        Log(LOG_E, @"PiP not supported on this device.");
+    }
+}
+
+- (void)cleanupPiPController {
+    if (self.pipController) {
+        self.pipController.delegate = nil;
+        self.pipController = nil;
+        if (@available(iOS 15.0, *)) {
+            self.pipContentSource = nil;
+        }
+
+        Log(LOG_I, @"PiP controller cleaned up.");
+    }
+}
+
+- (void)updateToolboxSpecialEntries{
     if([self isOscLayoutToolEnabled]){
         if(![toolBoxViewController.specialEntries containsObject:@"widgetLayoutTool"]) [toolBoxViewController.specialEntries insertObject:@"widgetLayoutTool" atIndex:0];
         if(![toolBoxViewController.specialEntries containsObject:@"widgetSwitchTool"]) [toolBoxViewController.specialEntries insertObject:@"widgetSwitchTool" atIndex:1];
+    }
+    else{
+        [toolBoxViewController.specialEntries removeObject:@"widgetLayoutTool"];
+        [toolBoxViewController.specialEntries removeObject:@"widgetSwitchTool"];
+    }
+    if(_settings.enablePIP){
+        if(![toolBoxViewController.specialEntries containsObject:@"enterPip"]) [toolBoxViewController.specialEntries addObject:@"enterPip"];
+    }
+    else [toolBoxViewController.specialEntries removeObject:@"enterPip"];
+    
+    NSLog(@"toolBoxViewController.specialEntries %@", toolBoxViewController.specialEntries);
+}
+
+- (void)configOscLayoutTool{
+    if([self isOscLayoutToolEnabled]){
         _oscLayoutTapRecoginizer = [[CustomTapGestureRecognizer alloc] initWithTarget:self action:@selector(openWidgetLayoutTool)];
         _oscLayoutTapRecoginizer.numberOfTouchesRequired = _settings.oscLayoutToolFingers.intValue; //tap a predefined number of fingers to open osc layout tool
         _oscLayoutTapRecoginizer.tapDownTimeThreshold = 0.2;
@@ -132,15 +252,13 @@
         _layoutOnScreenControlsVC.view.backgroundColor = UIColor.clearColor;
         _layoutOnScreenControlsVC.modalPresentationStyle = UIModalPresentationOverCurrentContext;
     }
-    else{
-        [toolBoxViewController.specialEntries removeObject:@"widgetLayoutTool"];
-        [toolBoxViewController.specialEntries removeObject:@"widgetSwitchTool"];
-    }
 }
 
 - (void)presentCommandManagerViewController{
+    ToolboxViewController* oldToolboxVC = toolBoxViewController;
     toolBoxViewController = [[ToolboxViewController alloc] init];
     toolBoxViewController.specialEntryDelegate = self;
+    toolBoxViewController.specialEntries = oldToolboxVC.specialEntries;
     [self configOscLayoutTool];
     [self presentViewController:toolBoxViewController animated:YES completion:^{
         //[self->toolBoxViewController setupConstraints];
@@ -200,6 +318,7 @@
     
     _settings = [[[DataManager alloc] init] getSettings];  //StreamFrameViewController retrieve the settings here.
     [self configOscLayoutTool];
+    [self updateToolboxSpecialEntries];
     [self configSwipeGestures];
     [self configZoomGestureAndAddStreamView];
     [self->_streamView disableOnScreenControls]; //don't know why but this must be called outside the streamview class, just put it here. execute in streamview class cause hang
@@ -233,22 +352,26 @@
     [super viewDidAppear:animated];
     
     _deviceWindow = self.view.window;
-    
+    if (@available(iOS 13.0, *)) {
-    if (UIScreen.screens.count > 1 && [self isAirPlayEnabled]) {
+        UIScreen *currentScreen = self.view.window.windowScene.screen;
-        [self prepExtScreen:UIScreen.screens.lastObject];
+        if (UIScreen.screens.count > 1 && [self isAirPlayEnabled] && currentScreen == UIScreen.mainScreen) {
+            [SceneDelegate setExternalDisplayRenderView:self->_streamVideoRenderView];
+        }
+        else {
+            /*
+             _settings.externalDisplayMode.intValue:
+             0 - stage manager
+             1 - airplay
+             2 - disabled
+             */
+            dispatch_async(dispatch_get_main_queue(), ^{
+                [self->_streamView insertSubview:self->_streamVideoRenderView atIndex:0];
+            });
+        }
+    } else {
+        // Fallback on earlier versions
     }
-    else {
+
-        /*
-         _settings.externalDisplayMode.intValue:
-         0 - stage manager
-         1 - airplay
-         2 - disabled
-         */
-        dispatch_async(dispatch_get_main_queue(), ^{
-            if(self->_settings.externalDisplayMode.intValue != 2) [self->_streamView insertSubview:self->_streamVideoRenderView atIndex:0];
-        });
-    }
-    
     self->_streamView.originalFrame = self->_streamView.frame;
 
     // check to see if external screen is connected/disconnected
@@ -279,17 +402,17 @@
                                              selector:@selector(expandSettingsView) // //force expand settings view to update resolution table, and all setting includes current fullscreen resolution will be updated.
                                                  name:@"SettingsOverlayButtonPressedNotification"
                                                object:nil];
-    
+
     [[NSNotificationCenter defaultCenter] addObserver:self
                                              selector:@selector(keyboardWillShow:)
                                                  name:UIKeyboardWillShowNotification
                                                object:nil];
-    
+
     [[NSNotificationCenter defaultCenter] addObserver:self
                                              selector:@selector(keyboardWillHide)
                                                  name:UIKeyboardWillHideNotification
                                                object:nil];
-    
+
     #endif
 }
 
@@ -309,7 +432,7 @@
     return; // temp disable
     // 初始化倒计时秒数
     __block NSInteger remainingSeconds = 16;
-    
+
     NSString* settingsEdgeSide = _settings.slideToSettingsScreenEdge.intValue == UIRectEdgeLeft ? [LocalizationHelper localizedStringForKey:@"left"] : [LocalizationHelper localizedStringForKey:@"right"];
     NSString* cmdToolEdgeSide = _settings.slideToSettingsScreenEdge.intValue == UIRectEdgeLeft ? [LocalizationHelper localizedStringForKey:@"right"] : [LocalizationHelper localizedStringForKey:@"left"];
     uint8_t slideDist = (uint8_t)(_settings.slideToSettingsDistance.floatValue * 100);
@@ -317,7 +440,7 @@
     UIAlertController *alert = [UIAlertController alertControllerWithTitle:[LocalizationHelper localizedStringForKey:@"First Launch Tips"]
                                                                    message:[LocalizationHelper localizedStringForKey:@"\n1. From %@ edge, slide %d%% screen width to open settings menu\n\n2. From %@ edge, slide %d%% screen width to open command tool\n\n3. Back to Streaming from settings menu: slide from left edge\n\n4. Slide from upper 40%% of screen edge to avoid sending touch events to PC side", settingsEdgeSide, slideDist, cmdToolEdgeSide, slideDist]
                                                           preferredStyle:UIAlertControllerStyleAlert];
-    
+
     // 添加确认按钮（初始禁用）
     UIAlertAction *confirmAction = [UIAlertAction actionWithTitle:[LocalizationHelper localizedStringForKey:@"Got it! (15)"]
                                                            style:UIAlertActionStyleDefault
@@ -325,17 +448,17 @@
     }];
     confirmAction.enabled = NO;
     [alert addAction:confirmAction];
-        
+
     // 显示弹窗
     [self presentViewController:alert animated:YES completion:nil];
-    
+
     // 使用dispatch_source_t实现精确倒计时
     dispatch_source_t timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, dispatch_get_main_queue());
     dispatch_source_set_timer(timer, DISPATCH_TIME_NOW, 1.0 * NSEC_PER_SEC, 0.1 * NSEC_PER_SEC);
-    
+
     dispatch_source_set_event_handler(timer, ^{
         remainingSeconds--;
-        
+
         if (remainingSeconds <= 0) {
             // 倒计时结束
             dispatch_source_cancel(timer);
@@ -347,9 +470,9 @@
             [confirmAction setValue:[NSString stringWithFormat:[LocalizationHelper localizedStringForKey:@"Got it! (%ld)", remainingSeconds], (long)remainingSeconds] forKey:@"title"];
         }
     });
-    
+
     dispatch_resume(timer);
-    
+
 }
 
 
@@ -357,7 +480,7 @@
 {
     viewJustLoaded = true;
     [super viewDidLoad];
-        
+
     [self.navigationController setNavigationBarHidden:YES animated:YES];
     
     [UIApplication sharedApplication].idleTimerDisabled = YES;
@@ -390,25 +513,24 @@
     
     toolBoxViewController = [[ToolboxViewController alloc] init];
     toolBoxViewController.specialEntryDelegate = self;
-    
+
+    _isRestoringFromPiP = NO;
+
     /*
      _settings.externalDisplayMode.intValue:
      0 - stage manager
      1 - airplay
-     2 - disabled
      */
-    if(_settings.externalDisplayMode.intValue == 2) _streamVideoRenderView = _streamView;
+    // A separate render view is always created to support external displays.
-    else {
+    _streamVideoRenderView = (StreamView*)[[UIView alloc] initWithFrame:self.view.frame];
-        //NSLog(@"renderView separated from streamView");
+    _streamVideoRenderView.bounds = _streamView.bounds;
-        _streamVideoRenderView = (StreamView*)[[UIView alloc] initWithFrame:self.view.frame];
+    _streamVideoRenderView.userInteractionEnabled = false;
-        _streamVideoRenderView.bounds = _streamView.bounds;
+    
-        _streamVideoRenderView.userInteractionEnabled = false; // this will prevent renderView from intrecepting touchEvents which shall be interacting with streamView
-    }
     //[_streamView setupStreamView:_controllerSupport interactionDelegate:self config:self.streamConfig];
     [self reConfigStreamViewRealtime]; // call this method again to make sure all gestures are configured & added to the superview(self.view), including the gestures added from inside the streamview.
     
     if([self isFirstLaunch]) [self popFirstLaunchTip];
-    
+
 #if TARGET_OS_TV
     if (!_menuTapGestureRecognizer || !_menuDoubleTapGestureRecognizer || !_playPauseTapGestureRecognizer) {
         _menuTapGestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(controllerPauseButtonPressed:)];
@@ -545,6 +667,10 @@
     [self->_streamView readyToBringUpSoftKeyboardByToolbox];
 }
 
+- (void)enterPip{
+    [self.pipController startPictureInPicture];
+}
+
 - (void)oscLayoutClosed{
     // Handle the callback
     [self->_streamView disableOnScreenControls]; // add this to get realtime back menu working.
@@ -570,7 +696,7 @@
     if (parent == nil) {
         //NSLog(@"gyro cleanup, count: %ld", _controller.count);
         [_controllerSupport cleanup];
-        
+
         [UIApplication sharedApplication].idleTimerDisabled = NO;
         [_streamMan stopStream];
         if (_inactivityTimer != nil) {
@@ -666,7 +792,12 @@
 - (void) returnToMainFrame {
     // Reset display mode back to default
     [self updatePreferredDisplayMode:NO];
-    
+    [SceneDelegate clearExternalDisplayRenderView];
+
+    if (_settings.enablePIP) {
+        [self cleanupPiPController];
+    }
+
     [_statsUpdateTimer invalidate];
     _statsUpdateTimer = nil;
 
@@ -678,19 +809,34 @@
 // External Screen connected
 - (void)extScreenDidConnect:(NSNotification *)notification {
     Log(LOG_I, @"External Screen Connected");
-    dispatch_async(dispatch_get_main_queue(), ^{
+    if ([self isAirPlayEnabled] && [notification.object isKindOfClass:[UIScreen class]]) {
-        [self prepExtScreen:notification.object];
+        UIScreen *extScreen = (UIScreen *)notification.object;
-    });
+        if (_streamVideoRenderView) {
+             // Remove from current superview before passing it
+             [_streamVideoRenderView removeFromSuperview];
+             [SceneDelegate setExternalDisplayRenderView:_streamVideoRenderView];
+             NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
+             [nc postNotificationName:@"ScreenChanged" object:self];
+        } else {
+             Log(LOG_W, @"_streamVideoRenderView is nil when external screen connected.");
+        }
+    }
 }
 
 // External Screen disconnected
 - (void)extScreenDidDisconnect:(NSNotification *)notification {
     Log(LOG_I, @"External Screen Disconnected");
-    if(UIScreen.screens.count < 2)
+    if(UIScreen.screens.count < 2) {
-    {
+        [SceneDelegate clearExternalDisplayRenderView];
-        dispatch_async(dispatch_get_main_queue(), ^{
+        // Add the render view back to the local StreamView if AirPlay was active
-        [self removeExtScreen];
+        if ([self isAirPlayEnabled]) {
-        });
+            if (_streamVideoRenderView && _streamView) {
+                [_streamView insertSubview:_streamVideoRenderView atIndex:0];
+                [self handleViewResize]; // Adjust frames as needed
+            }
+        }
+        NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
+        [nc postNotificationName:@"ScreenChanged" object:self]; // Your existing notification
     }
 }
 
@@ -699,7 +845,10 @@
 }
 
 - (BOOL) isAirPlaying{
-    return _extWindow != nil && _extWindow.hidden == NO;
+    if (_settings.externalDisplayMode.intValue == 1 && _streamVideoRenderView) {
+        return _streamVideoRenderView.hidden;
+    }
+    return NO;
 }
 
 - (BOOL) isAirPlayEnabled{
@@ -709,45 +858,12 @@
 - (void) reloadAirPlayConfig{
     if (UIScreen.screens.count == 1){return;}
     if (![self isAirPlaying] && [self isAirPlayEnabled]){
-        [self prepExtScreen:UIScreen.screens.lastObject];
+        [SceneDelegate setExternalDisplayRenderView:_streamVideoRenderView];
     }else if ([self isAirPlaying] && ![self isAirPlayEnabled]){
-        [self removeExtScreen];
+        [SceneDelegate clearExternalDisplayRenderView];
     }
 }
 
-// Prepare Screen
-- (void)prepExtScreen:(UIScreen*)extScreen {
-    Log(LOG_I, @"Preparing External Screen");
-    if(![self isAirPlayEnabled]){
-        return;
-    }
-    CGRect frame = extScreen.bounds;
-    extScreen.overscanCompensation = UIScreenOverscanCompensationNone;
-    if(_extWindow==nil){
-        _extWindow = [[UIWindow alloc] initWithFrame:frame];
-    }
-    _extWindow.screen = extScreen;
-    _streamVideoRenderView.bounds = frame;
-    _streamVideoRenderView.frame = frame;
-    NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
-    [nc postNotificationName:@"ScreenChanged" object:self];
-    [_extWindow addSubview:_streamVideoRenderView];
-    _extWindow.hidden = NO;
-}
-
-- (void)removeExtScreen {
-    Log(LOG_I, @"Removing External Screen");
-    _extWindow.hidden = YES;
-    [self handleViewResize];
-    /*
-     _settings.externalDisplayMode.intValue:
-     0 - stage manager
-     1 - airplay
-     2 - disabled
-     */
-    if(_settings.externalDisplayMode.intValue != 2) [_streamView insertSubview:_streamVideoRenderView atIndex:0];
-}
-
 - (void) handleViewResize{
     _streamView.bounds = _deviceWindow.bounds;
     _streamView.frame = _deviceWindow.frame;
@@ -763,14 +879,20 @@
 
 // This will fire if the user opens control center or gets a low battery message
 - (void)applicationWillResignActive:(NSNotification *)notification {
+    
+    //[self.pipController startPictureInPicture];
+    //sleep(1);
+    
     if (_inactivityTimer != nil) {
         [_inactivityTimer invalidate];
+        _inactivityTimer = nil;
     }
     
+    
 #if !TARGET_OS_TV
     // Terminate the stream if the app is inactive for 60 seconds
     Log(LOG_I, @"Starting inactivity termination timer");
-    _inactivityTimer = [NSTimer scheduledTimerWithTimeInterval:1800
+    _inactivityTimer = [NSTimer scheduledTimerWithTimeInterval:18000
                                                       target:self
                                                     selector:@selector(inactiveTimerExpired:)
                                                     userInfo:nil
@@ -793,19 +915,27 @@
         [_inactivityTimer invalidate];
         _inactivityTimer = nil;
     }
+    if (self.pipController && self.pipController.isPictureInPictureActive) {
+        [self.pipController stopPictureInPicture];
+    }
+    
+    //self.pipController = nil;
+    //[self setupPiPControllerWithRenderer:self->_streamMan.videoRenderer];
+    //self->_streamMan.videoRenderer.
 }
 
 // This fires when the home button is pressed
 - (void)applicationDidEnterBackground:(UIApplication *)application {
-    
-    Log(LOG_I, @"Terminating stream immediately for backgrounding");
 
-    if (_inactivityTimer != nil) {
+    NSLog(@"did enter background, %d, %@, %d", _settings.enablePIP, self.pipController, self.pipController.isPictureInPictureActive);
-        [_inactivityTimer invalidate];
+    if (_settings.enablePIP && self.pipController && self.pipController.isPictureInPictureActive) {
-        _inactivityTimer = nil;
+        Log(LOG_I, @"PIP is active, not terminating stream");
+        return;
     }
-    
+
-    // [self returnToMainFrame];
+#if !TARGET_OS_TV
+
+#endif
 }
 
 - (void)expandSettingsView{
@@ -1083,8 +1213,21 @@
 }
 
 - (void) videoContentShown {
-    [_spinner stopAnimating];
+    dispatch_async(dispatch_get_main_queue(), ^{
-    [self.view setBackgroundColor:[UIColor blackColor]];
+        [self->_spinner stopAnimating];
+        [self.view setBackgroundColor:[UIColor blackColor]];
+
+        if (@available(iOS 15.0, *)) {
+            if (self->_settings.enablePIP) {
+                if (self->_streamMan && self->_streamMan.videoRenderer) {
+                    Log(LOG_I, @"Setting up PiP with renderer: %p", self->_streamMan.videoRenderer);
+                    [self setupPiPControllerWithRenderer:self->_streamMan.videoRenderer];
+                } else {
+                    Log(LOG_I, @"No renderer available for PiP setup");
+                }
+            }
+        }
+    });
 }
 
 - (void) observeFloat:(int)plotId value:(CFTimeInterval)value {

VoidLink/ViewControllers/ToolboxViewController.swift

@@ -12,6 +12,7 @@ import UIKit
     @objc optional func openWidgetLayoutTool()
     @objc optional func switchWidgetProfile()
     @objc optional func bringUpSoftKeyboard()
+    @objc optional func enterPip()
 }
 
 
@@ -27,11 +28,12 @@ import UIKit
     private let viewBackgroundColor = UIColor(white: 0.2, alpha: 0.8);
     private let highlightColor = UIColor(white: 0.39, alpha: 0.8);
     private let titleLabel = UILabel()
-    @objc public var specialEntries : NSMutableArray = ["widgetSwitchTool", "widgetLayoutTool", "bringUpSoftKeyboard"]
+    @objc public var specialEntries : NSMutableArray = ["widgetSwitchTool", "widgetLayoutTool", "bringUpSoftKeyboard", "enterPip"]
     private let specialEntryAliasDic : [String:String] = [
         "widgetSwitchTool":SwiftLocalizationHelper.localizedString(forKey: "[ Switch among on-screen widget profiles ]"),
         "widgetLayoutTool":SwiftLocalizationHelper.localizedString(forKey: "[ Open on-screen widget tool ]"),
-        "bringUpSoftKeyboard":SwiftLocalizationHelper.localizedString(forKey: "[ Bring up soft keyboard ]")
+        "bringUpSoftKeyboard":SwiftLocalizationHelper.localizedString(forKey: "[ Bring up soft keyboard ]"),
+        "enterPip":SwiftLocalizationHelper.localizedString(forKey: "[ Enter picture-in-picture mode ]")
     ]
     
     private var viewPinned: Bool = false
@@ -374,6 +376,8 @@ import UIKit
             specialEntryDelegate?.switchWidgetProfile?()
         case "bringUpSoftKeyboard":
             specialEntryDelegate?.bringUpSoftKeyboard?()
+        case "enterPip":
+            specialEntryDelegate?.enterPip?()
         default: break
         }
     }

VoidLink/mul.lproj/iPad.xcstrings

@@ -43,6 +43,36 @@
         }
       }
     },
+    "3rP-dh-TJi.text" : {
+      "comment" : "Class = \"UILabel\"; text = \"Enable PiP\"; ObjectID = \"3rP-dh-TJi\";",
+      "extractionState" : "extracted_with_value",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "new",
+            "value" : "Enable PiP"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "画中画"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "啟用子母畫面"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "啟用子母畫面"
+          }
+        }
+      }
+    },
     "4FU-iP-c6T.segmentTitles[0]" : {
       "comment" : "Class = \"UISegmentedControl\"; 4FU-iP-c6T.segmentTitles[0] = \"Captured\"; ObjectID = \"4FU-iP-c6T\";",
       "extractionState" : "extracted_with_value",

VoidLink/mul.lproj/iPhone.xcstrings

@@ -211,6 +211,36 @@
         }
       }
     },
+    "4Ul-P6-eUk.text" : {
+      "comment" : "Class = \"UILabel\"; text = \"Enable PiP\"; ObjectID = \"4Ul-P6-eUk\";",
+      "extractionState" : "extracted_with_value",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "new",
+            "value" : "Enable PiP"
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "画中画"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "啟用子母畫面"
+          }
+        },
+        "zh-HK" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "啟用子母畫面"
+          }
+        }
+      }
+    },
     "5JB-m0-nUF.text" : {
       "comment" : "Class = \"UILabel\"; text = \"YUV 4:4:4\"; ObjectID = \"5JB-m0-nUF\";",
       "extractionState" : "extracted_with_value",