commit 8a6a1b85f1dd9c2997181071db0b2ffe4567550d
author Jingning Han <jingning@google.com> Tue Aug 11 23:46:15 2020 -0700
committer Jingning Han <jingning@google.com> Thu Aug 13 19:55:51 2020 +0000
tree e4d6c8545e4ef8017b543377a84dc4d8c58dc53f
parent 34b0dd02a201299305b085ac5f080e83c5acc982

Set invalid idx in av1_get_refresh_ref_frame_map

If there is no available frame slot, return the frame index invalid.

Change-Id: I8b5e17bbde067ee9ab3bc062c9c821d52bfb5290

av1/encoder/encode_strategy.c

diff --git a/av1/encoder/encode_strategy.c b/av1/encoder/encode_strategy.c
index 649f694..5f748f5 100644
--- a/av1/encoder/encode_strategy.c
+++ b/av1/encoder/encode_strategy.c
@@ -546,11 +546,12 @@
 #endif  // DUMP_REF_FRAME_IMAGES == 1
 
 int av1_get_refresh_ref_frame_map(int refresh_frame_flags) {
-  int ref_map_index = INVALID_IDX;
+  int ref_map_index;
 
   for (ref_map_index = 0; ref_map_index < REF_FRAMES; ++ref_map_index)
     if ((refresh_frame_flags >> ref_map_index) & 1) break;
 
+  if (ref_map_index == REF_FRAMES) ref_map_index = INVALID_IDX;
   return ref_map_index;
 }