set ffmpeg mutex to NULL on destruction.

10 years ago · 8d95c91805
parent 047abb0050
commit 8d95c91805
1 changed files with 1 additions and 0 deletions
--- a/modules/videoio/src/cap_ffmpeg_impl.hpp
+++ b/modules/videoio/src/cap_ffmpeg_impl.hpp
@ -493,6 +493,7 @@ static int LockCallBack(void **mutex, AVLockOp op)
            localMutex->destroy();
            free(localMutex);
            localMutex = NULL;
+            *mutex = NULL;
        break;
    }
    return 0;