[FFmpeg-cvslog] vp9: fix explicit memory order for report_progress.

[Ronald S. Bultje]

ffmpeg | branch: master | Ronald S. Bultje <rsbultje at gmail.com> | Tue Sep 12 15:02:20 2017 -0400| [1db03e952b4ee998f2a19c037f60d17dc90e8f6c] | committer: Ronald S. Bultje

vp9: fix explicit memory order for report_progress.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1db03e952b4ee998f2a19c037f60d17dc90e8f6c
---

 libavcodec/vp9.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c
index 66ccb6c49c..6b5de19266 100644
--- a/libavcodec/vp9.c
+++ b/libavcodec/vp9.c
@@ -73,7 +73,7 @@ static int vp9_alloc_entries(AVCodecContext *avctx, int n) {
 
 static void vp9_report_tile_progress(VP9Context *s, int field, int n) {
     pthread_mutex_lock(&s->progress_mutex);
-    atomic_fetch_add_explicit(&s->entries[field], n, memory_order_relaxed);
+    atomic_fetch_add_explicit(&s->entries[field], n, memory_order_release);
     pthread_cond_signal(&s->progress_cond);
     pthread_mutex_unlock(&s->progress_mutex);
 }