Merge pull request xbmc#6410 from Memphiz/ios8tvout

[ios] - when using the hdmi adapter (or any other hardware tvout adapter...

xbmc/osx/IOSScreenManager.mm

@@ -73,7 +73,20 @@ - (void) fadeFromBlack:(CGFloat) delaySecs
 - (void) setScreen:(unsigned int) screenIdx withMode:(UIScreenMode *)mode
 {
     UIScreen *newScreen = [[UIScreen screens] objectAtIndex:screenIdx];
-    bool toExternal = _screenIdx == 0 && _screenIdx != screenIdx;
+    bool toExternal = false;
+
+    // current screen is main screen and new screen
+    // is different
+    if (_screenIdx == 0 && _screenIdx != screenIdx)
+      toExternal = true;
+
+    // current screen is not main screen
+    // and new screen is the same as current
+    // this means we are external already but
+    // for example resolution gets changed
+    // treat this as toExternal for proper rotation...
+    if (_screenIdx != 0 && _screenIdx == screenIdx)
+      toExternal = true;
 
     //set new screen mode
     [newScreen setCurrentMode:mode];