[vlc-commits] videotoolbox: fix crash if timestamps array is empty

[Tobias Conradi]

vlc | branch: master | Tobias Conradi <videolan at tobias-conradi.de> | Fri Sep 11 23:17:08 2015 +0200| [6cc21d0e5347a2f0703d1f194a2ef00e8535e8d1] | committer: Felix Paul Kühne

videotoolbox: fix crash if timestamps array is empty

Signed-off-by: Felix Paul Kühne <fkuehne at videolan.org>

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=6cc21d0e5347a2f0703d1f194a2ef00e8535e8d1
---

 modules/codec/videotoolbox.m |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/modules/codec/videotoolbox.m b/modules/codec/videotoolbox.m
index 2af78d5..00124fb 100644
--- a/modules/codec/videotoolbox.m
+++ b/modules/codec/videotoolbox.m
@@ -1027,8 +1027,11 @@ skip:
                 }
                 return (NSComparisonResult)NSOrderedSame;
             }];
-            timeStamp = [p_sys->outputTimeStamps firstObject];
-            [p_sys->outputTimeStamps removeObjectAtIndex:0];
+            NSArray *timeStamps = p_sys->outputTimeStamps;
+            timeStamp = [timeStamps firstObject];
+            if (timeStamps.count>0) {
+                [timeStamps removeObjectAtIndex:0];
+            }
         }
 
         @synchronized(p_sys->outputFrames) {