From 966c3ad85ee4ffc2c53ce37131cca31d951b6d21 Mon Sep 17 00:00:00 2001
From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@linphone.org>
Date: Wed, 18 Apr 2012 10:09:17 +0200
Subject: [PATCH] ipad: start background preview in a separate thread

---
 Classes/MainScreenWithVideoPreview.m | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/Classes/MainScreenWithVideoPreview.m b/Classes/MainScreenWithVideoPreview.m
index 4252d06bb..a820849f5 100644
--- a/Classes/MainScreenWithVideoPreview.m
+++ b/Classes/MainScreenWithVideoPreview.m
@@ -72,12 +72,6 @@
 - (void)viewDidLoad
 {
     [super viewDidLoad];
-                        
-    bool enableVideo = [[NSUserDefaults standardUserDefaults] boolForKey:@"enable_video_preference"];
-    
-    if (enableVideo) {
-        [self initVideoPreview ];
-    }
 }
 
 -(void) switchCameraPressed {
@@ -111,13 +105,19 @@
         [session startRunning];
 }
 
+-(void) startPreview:(id) a {
+    [window addSubview:self.view];
+    [window sendSubviewToBack:self.view];
+    [session startRunning];
+}
+
 
 -(void) showPreview:(BOOL) show {
     bool enableVideo = [[NSUserDefaults standardUserDefaults] boolForKey:@"enable_video_preference"];
     
     if (enableVideo) {
         LinphoneCall* call = linphone_core_get_current_call([LinphoneManager getLc]);
-        if (show && call && linphone_call_params_video_enabled(linphone_call_get_current_params(call))) {
+          v        if (show && call && linphone_call_params_video_enabled(linphone_call_get_current_params(call))) {
             return;
         }
         
@@ -126,9 +126,7 @@
         }
         
         if (show && !session.running) {
-            [window addSubview:self.view];
-            [window sendSubviewToBack:self.view];
-            [session startRunning];
+            [self performSelectorInBackground:@selector(startPreview:) withObject:nil];
         } else if (!show && session.running) {
             [self.view removeFromSuperview];
             [session stopRunning];