From cebcce4a349177f03ad1ef17bbb4342d1b9b985d Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Sun, 25 Mar 2012 00:32:59 +0900
Subject: [PATCH] race condition in sound code

---
 anki/sound.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/anki/sound.py b/anki/sound.py
index 2e6e47cc5..5036b6c14 100644
--- a/anki/sound.py
+++ b/anki/sound.py
@@ -97,7 +97,11 @@ class MplayerMonitor(threading.Thread):
                 if not self.mplayer:
                     self.startProcess()
                 # pop a file
-                item = mplayerQueue.pop(0)
+                try:
+                    item = mplayerQueue.pop(0)
+                except IndexError:
+                    # queue was cleared by main thread
+                    continue
                 if mplayerClear:
                     mplayerClear = False
                     extra = ""