Merge commit '09e2203b8ba6943d5c0fe6d73b65b145c3fdf98e'

* commit '09e2203b8ba6943d5c0fe6d73b65b145c3fdf98e':
  hevc: Consider first quantization group any reference to 0, 0

Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/hevc_filter.c

@@ -92,7 +92,7 @@ static int get_qPy_pred(HEVCContext *s, int xC, int yC,
     int qPy_pred, qPy_a, qPy_b;
 
     // qPy_pred
-    if (lc->first_qp_group) {
+    if (lc->first_qp_group || (!xQgBase && !yQgBase)) {
         lc->first_qp_group = !lc->tu.is_cu_qp_delta_coded;
         qPy_pred = s->sh.slice_qp;
     } else {