commit 42015d1ddd1d2be67583d2f896fba9ff61ccfd90
author Yunqing Wang <yunqingwang@google.com> Tue Oct 17 15:43:49 2017 -0700
committer Yunqing Wang <yunqingwang@google.com> Wed Oct 18 16:52:15 2017 +0000
tree cb5de72bcd420ee53fdc44c04a2069463d59c2de
parent cb4c17e2b29193188747ac82dd4e6036b0c91292

Write loop_filter_across_tiles_enabled only in multiple tile case

Write loop_filter_across_tiles_enabled bit into bitstream only when
cm->tile_cols * cm->tile_rows > 1.

BUG=aomedia:871

Change-Id: I6fbf0cbf5ab236879f9ff125553415182a74dfb0

av1/encoder/bitstream.c

diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index 18a500e..c420a7f 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -3583,7 +3583,8 @@
 #endif  // CONFIG_EXT_TILE
 
 #if CONFIG_LOOPFILTERING_ACROSS_TILES
-  aom_wb_write_bit(wb, cm->loop_filter_across_tiles_enabled);
+  if (cm->tile_cols * cm->tile_rows > 1)
+    aom_wb_write_bit(wb, cm->loop_filter_across_tiles_enabled);
 #endif  // CONFIG_LOOPFILTERING_ACROSS_TILES
 }