Index: media/audio/win/waveout_output_win.cc |
=================================================================== |
--- media/audio/win/waveout_output_win.cc (revision 172970) |
+++ media/audio/win/waveout_output_win.cc (working copy) |
@@ -278,6 +278,9 @@ |
return; |
} |
+ // Wait for lock to ensure all outstanding callbacks have completed. |
+ base::AutoLock auto_lock(lock_); |
+ |
// waveOutReset() leaves buffers in the unpredictable state, causing |
// problems if we want to close, release, or reuse them. Fix the states. |
for (int ix = 0; ix != num_buffers_; ++ix) { |