vout: relax statistics ordering

src/video_output/statistic.h

@@ -48,19 +48,21 @@ static inline void vout_statistic_GetReset(vout_statistic_t *stat,
                                            unsigned *restrict displayed,
                                            unsigned *restrict lost)
 {
-    *displayed = atomic_exchange(&stat->displayed, 0);
-    *lost      = atomic_exchange(&stat->lost, 0);
+    *displayed = atomic_exchange_explicit(&stat->displayed, 0,
+                                          memory_order_relaxed);
+    *lost = atomic_exchange_explicit(&stat->lost, 0, memory_order_relaxed);
 }
 
 static inline void vout_statistic_AddDisplayed(vout_statistic_t *stat,
                                                int displayed)
 {
-    atomic_fetch_add(&stat->displayed, displayed);
+    atomic_fetch_add_explicit(&stat->displayed, displayed,
+                              memory_order_relaxed);
 }
 
 static inline void vout_statistic_AddLost(vout_statistic_t *stat, int lost)
 {
-    atomic_fetch_add(&stat->lost, lost);
+    atomic_fetch_add_explicit(&stat->lost, lost, memory_order_relaxed);
 }
 
 #endif