commit d34877222e44a75c613347feb527f3ff0061c5af
author Luc Trudeau <luc@trud.ca> Fri Sep 29 15:55:48 2017 -0400
committer Luc Trudeau <luc@trud.ca> Wed Nov 01 00:45:12 2017 +0000
tree 231d025f0f6c9c6d5e003074a9f8242e67038134
parent 6d3befbd697251a031315586b8420ee716c08a3f

[CFL] Change CFL DC_PRED from int to int16_t

This changes serves to illustrate that DC_PRED does not
need 32 bits. It only needs the specified pixel bit depth.
Which fits inside a signed 16 bit integer.

Change-Id: Ice062c8c4a794cb4f32a3963278f4a99ef326dda

av1/common/blockd.h

diff --git a/av1/common/blockd.h b/av1/common/blockd.h
index c998d3d..94487ed 100644
--- a/av1/common/blockd.h
+++ b/av1/common/blockd.h
@@ -604,7 +604,8 @@
   int subsampling_x, subsampling_y;
 
   // Block level DC_PRED for each chromatic plane
-  int dc_pred[CFL_PRED_PLANES];
+  // 16 bits are used, but only the pixel bit depth is required
+  int16_t dc_pred[CFL_PRED_PLANES];
 
   int mi_row, mi_col;