commit 114575d2afc722a94105d1bdf1f1d91b1e0ca92c
author Debargha Mukherjee <debargha@google.com> Fri Feb 23 11:18:37 2018 -0800
committer Debargha Mukherjee <debargha@google.com> Sat Feb 24 02:28:23 2018 +0000
tree 8c98cd278e6826adc0c91b2178d754d2abb9e81d
parent 7e806c389fa53c9f42d1d1895a8e1b532867b846

Correct a skip-sgr context for the case r1 == 0

Change-Id: I44db7ee9e848fc08f7c7aa1abd82e3078f6244bf

av1/decoder/decodeframe.c

diff --git a/av1/decoder/decodeframe.c b/av1/decoder/decodeframe.c
index 076cd75..6390e3f 100644
--- a/av1/decoder/decodeframe.c
+++ b/av1/decoder/decodeframe.c
@@ -932,7 +932,8 @@
             rb, SGRPROJ_PRJ_MAX0 - SGRPROJ_PRJ_MIN0 + 1, SGRPROJ_PRJ_SUBEXP_K,
             ref_sgrproj_info->xqd[0] - SGRPROJ_PRJ_MIN0, ACCT_STR) +
         SGRPROJ_PRJ_MIN0;
-    sgrproj_info->xqd[1] = 0;
+    sgrproj_info->xqd[1] = clamp((1 << SGRPROJ_PRJ_BITS) - sgrproj_info->xqd[0],
+                                 SGRPROJ_PRJ_MIN1, SGRPROJ_PRJ_MAX1);
   } else {
     sgrproj_info->xqd[0] =
         aom_read_primitive_refsubexpfin(