frontend: Make Hybrid MOV the default for beta builds on macOS

frontend/widgets/OBSBasic.cpp

@@ -511,13 +511,19 @@ OBSBasic::OBSBasic(QWidget *parent) : OBSMainWindow(parent), undo_s(ui), ui(new
 
 static const double scaled_vals[] = {1.0, 1.25, (1.0 / 0.75), 1.5, (1.0 / 0.6), 1.75, 2.0, 2.25, 2.5, 2.75, 3.0, 0.0};
 
-#ifdef __APPLE__
+#ifdef __APPLE__ // macOS
+#if OBS_RELEASE_CANDIDATE == 0 && OBS_BETA == 0
 #define DEFAULT_CONTAINER "fragmented_mov"
-#elif OBS_RELEASE_CANDIDATE == 0 && OBS_BETA == 0
+#else
+#define DEFAULT_CONTAINER "hybrid_mov"
+#endif
+#else // Windows/Linux
+#if OBS_RELEASE_CANDIDATE == 0 && OBS_BETA == 0
 #define DEFAULT_CONTAINER "mkv"
 #else
 #define DEFAULT_CONTAINER "hybrid_mp4"
 #endif
+#endif
 
 bool OBSBasic::InitBasicConfigDefaults()
 {