From ff50debd370ed2cf92964175b01da3eaabd94da1 Mon Sep 17 00:00:00 2001
From: "tkchin@webrtc.org"
 <tkchin@webrtc.org@4adac7df-926f-26a2-2b94-8c16560cd09d>
Date: Fri, 18 Jul 2014 17:17:59 +0000
Subject: [PATCH] Runtime guard for iOS7 property.

BUG=3487
R=glaznev@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/19989004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6733 4adac7df-926f-26a2-2b94-8c16560cd09d
---
 .../modules/video_capture/ios/rtc_video_capture_ios_objc.mm  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/webrtc/modules/video_capture/ios/rtc_video_capture_ios_objc.mm b/webrtc/modules/video_capture/ios/rtc_video_capture_ios_objc.mm
index 4e334d4cec..ac90b72ad0 100644
--- a/webrtc/modules/video_capture/ios/rtc_video_capture_ios_objc.mm
+++ b/webrtc/modules/video_capture/ios/rtc_video_capture_ios_objc.mm
@@ -44,7 +44,10 @@ using namespace webrtc::videocapturemodule;
     _captureId = captureId;
     _captureSession = [[AVCaptureSession alloc] init];
 #if defined(__IPHONE_7_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_7_0
-    _captureSession.usesApplicationAudioSession = NO;
+    NSString* version = [[UIDevice currentDevice] systemVersion];
+    if ([version integerValue] >= 7) {
+      _captureSession.usesApplicationAudioSession = NO;
+    }
 #endif
     _captureChanging = NO;
     _captureChangingCondition = [[NSCondition alloc] init];