1 files changed, 10 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/reconintra.h b/third_party/aom/av1/common/reconintra.h
index a7d9e8b79..57638f24e 100644
--- a/third_party/aom/av1/common/reconintra.h
+++ b/third_party/aom/av1/common/reconintra.h
@@ -12,6 +12,8 @@
 #ifndef AV1_COMMON_RECONINTRA_H_
 #define AV1_COMMON_RECONINTRA_H_
 
+#include <stdlib.h>
+
 #include "aom/aom_integer.h"
 #include "av1/common/blockd.h"
 #include "av1/common/onyxc_int.h"
@@ -103,6 +105,14 @@ static INLINE int av1_get_dy(int angle) {
     return 1;
   }
 }
+
+static INLINE int av1_use_intra_edge_upsample(int bs0, int bs1, int delta,
+                                              int type) {
+  const int d = abs(delta);
+  const int blk_wh = bs0 + bs1;
+  if (d <= 0 || d >= 40) return 0;
+  return type ? (blk_wh <= 8) : (blk_wh <= 16);
+}
 #ifdef __cplusplus
 }  // extern "C"
 #endif