From de4ed222cd5d0e2d27cb5c196adacc4e4302b0ef Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Fri, 9 Jan 2015 18:23:00 -0500
Subject: [PATCH] Replace the old sublayer rather than adding the new one on
 top of the onscreen controls

---
 Limelight/Stream/VideoDecoderRenderer.m | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Limelight/Stream/VideoDecoderRenderer.m b/Limelight/Stream/VideoDecoderRenderer.m
index 69971a9c..506ac2cb 100644
--- a/Limelight/Stream/VideoDecoderRenderer.m
+++ b/Limelight/Stream/VideoDecoderRenderer.m
@@ -22,9 +22,7 @@
 
 - (void)reinitializeDisplayLayer
 {
-    if (displayLayer != nil) {
-        [displayLayer removeFromSuperlayer];
-    }
+    CALayer *oldLayer = displayLayer;
     
     displayLayer = [[AVSampleBufferDisplayLayer alloc] init];
     displayLayer.bounds = _view.bounds;
@@ -32,7 +30,13 @@
     displayLayer.position = CGPointMake(CGRectGetMidX(_view.bounds), CGRectGetMidY(_view.bounds));
     displayLayer.videoGravity = AVLayerVideoGravityResizeAspect;
     
-    [_view.layer addSublayer:displayLayer];
+    if (oldLayer != nil) {
+        // Switch out the old display layer with the new one
+        [_view.layer replaceSublayer:oldLayer with:displayLayer];
+    }
+    else {
+        [_view.layer addSublayer:displayLayer];
+    }
     
     // We need some parameter sets before we can properly start decoding frames
     waitingForSps = true;