commit 6acb300f0b5ba8c9bded78c2b4fab7a498b59733
author Luc Trudeau <luc@trud.ca> Thu Nov 02 14:09:28 2017 -0400
committer Luc Trudeau <luc@trud.ca> Thu Nov 02 21:26:56 2017 +0000
tree a84f5e67a20afc1d49b0a2286e220fb8b166c2a8
parent 0dffa1762d6ef08359edb16a71f523e70421c4cc

[CfL] Fix subsampling overflow in HBD 4:4:0

BUG=aomedia:994

Change-Id: I0fa9d48487256655798dbdd64acad523e84557c6

av1/common/cfl.c

diff --git a/av1/common/cfl.c b/av1/common/cfl.c
index 1f8f572..ebb4972 100644
--- a/av1/common/cfl.c
+++ b/av1/common/cfl.c
@@ -397,8 +397,7 @@
                                          int width, int height) {
   for (int j = 0; j < height; j++) {
     for (int i = 0; i < width; i++) {
-      int top = i << 1;
-      output_q3[i] = (input[top] + input[top + input_stride]) << 2;
+      output_q3[i] = (input[i] + input[i + input_stride]) << 2;
     }
     input += input_stride << 1;
     output_q3 += MAX_SB_SIZE;