fix(macos): update deprecated AVFoundation API

Backported from 65ff532a54

CMakeLists.txt

@@ -614,6 +614,17 @@ if (NOT DEFINED ENABLE_STATUSNOTIFIER AND UNIX AND NOT APPLE)
 endif()
 
 if(AVFOUNDATION_FOUND)
+  # used for AVFoundation compile time deprecation check
+  execute_process(
+    COMMAND sw_vers -productVersion
+    OUTPUT_VARIABLE MACOS_VER
+  )
+  string(REPLACE "." ";" VERSION_LIST ${MACOS_VER})
+  list(GET VERSION_LIST 0 MACOS_VERSION_MAJOR)
+  list(GET VERSION_LIST 1 MACOS_VERSION_MINOR)
+  add_definitions(-DMACOS_VERSION_MAJOR=${MACOS_VERSION_MAJOR})
+  add_definitions(-DMACOS_VERSION_MINOR=${MACOS_VERSION_MINOR})
+
   set(${PROJECT_NAME}_SOURCES ${${PROJECT_NAME}_SOURCES}
     src/platform/camera/avfoundation.mm
     src/platform/camera/avfoundation.h)

src/platform/camera/avfoundation.mm

@@ -27,7 +27,15 @@ QVector<QPair<QString, QString> > avfoundation::getDeviceList()
 {
     QVector<QPair<QString, QString> > result;
 
+#if MACOS_VERSION_MAJOR > 10 || (MACOS_VERSION_MAJOR == 10 && MACOS_VERSION_MINOR > 14)
+    AVCaptureDevice* device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
+    id objects[] = {device};
+    NSUInteger count = sizeof(objects) / sizeof(id);
+    NSArray* devices = [NSArray arrayWithObjects:objects count:count];
+#else
     NSArray* devices = [AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo];
+#endif
+
     for (AVCaptureDevice* device in devices) {
         result.append({ QString::fromNSString([device uniqueID]), QString::fromNSString([device localizedName]) });
     }