[Bf-blender-cvs] [06ea819] master: Tracking: Avoid possible treading issue reading the frame to sync

[Sergey Sharybin]

Commit: 06ea819c0d717b831447e1a2d424e2f4979b27cd
Author: Sergey Sharybin
Date:   Mon Dec 15 14:34:47 2014 +0500
Branches: master
https://developer.blender.org/rB06ea819c0d717b831447e1a2d424e2f4979b27cd

Tracking: Avoid possible treading issue reading the frame to sync

===================================================================

M	source/blender/blenkernel/intern/tracking_auto.c

===================================================================

diff --git a/source/blender/blenkernel/intern/tracking_auto.c b/source/blender/blenkernel/intern/tracking_auto.c
index f4601d6..8f84b22 100644
--- a/source/blender/blenkernel/intern/tracking_auto.c
+++ b/source/blender/blenkernel/intern/tracking_auto.c
@@ -446,11 +446,11 @@ bool BKE_autotrack_context_step(AutoTrackContext *context)
 
 void BKE_autotrack_context_sync(AutoTrackContext *context)
 {
-	int newframe = context->user.framenr,
-	    frame_delta = context->backwards ? -1 : 1;
+	int newframe, frame_delta = context->backwards ? -1 : 1;
 	int clip, frame;
 
 	BLI_spin_lock(&context->spin_lock);
+	newframe = context->user.framenr;
 	for (frame = context->sync_frame;
 	     frame != (context->backwards ? newframe - 1 : newframe + 1);
 	     frame += frame_delta)