commit febb59cd74e6d25101c83c3bd8cbbafcc499ed52
author Debargha Mukherjee <debargha@google.com> Thu Mar 02 12:23:45 2017 -0800
committer Debargha Mukherjee <debargha@google.com> Sat Mar 04 04:29:28 2017 +0000
tree 28fd1b6b9206e2fa240fc476aeda2380c62d07e1
parent 5dcc48ba28d29f3a899f408657eba28716f37639

Allow global motion based translation for sub8x8

Also handle block centers for sub8x8 blocks correctly.

BDRATE: lowres: -1.308%

Change-Id: I6bdb25bdaceb5086a8b951617fd62ed41cd89023

av1/decoder/decodemv.c

diff --git a/av1/decoder/decodemv.c b/av1/decoder/decodemv.c
index 6ffaf07..e13dfb9 100644
--- a/av1/decoder/decodemv.c
+++ b/av1/decoder/decodemv.c
@@ -1360,12 +1360,12 @@
 #if CONFIG_GLOBAL_MOTION
       mv[0].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[0]],
                                           cm->allow_high_precision_mv, bsize,
-                                          mi_col, mi_row)
+                                          mi_col, mi_row, block)
                          .as_int;
       if (is_compound)
         mv[1].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[1]],
                                             cm->allow_high_precision_mv, bsize,
-                                            mi_col, mi_row)
+                                            mi_col, mi_row, block)
                            .as_int;
 #else
       mv[0].as_int = 0;
@@ -1373,8 +1373,8 @@
 #endif  // CONFIG_GLOBAL_MOTION
 
 #if CONFIG_REF_MV
-      pred_mv[0].as_int = 0;
-      if (is_compound) pred_mv[1].as_int = 0;
+      pred_mv[0].as_int = mv[0].as_int;
+      if (is_compound) pred_mv[1].as_int = mv[1].as_int;
 #endif
       break;
     }
@@ -1515,11 +1515,11 @@
 #if CONFIG_GLOBAL_MOTION
       mv[0].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[0]],
                                           cm->allow_high_precision_mv, bsize,
-                                          mi_col, mi_row)
+                                          mi_col, mi_row, block)
                          .as_int;
       mv[1].as_int = gm_get_motion_vector(&cm->global_motion[ref_frame[1]],
                                           cm->allow_high_precision_mv, bsize,
-                                          mi_col, mi_row)
+                                          mi_col, mi_row, block)
                          .as_int;
 #else
       mv[0].as_int = 0;
@@ -1627,12 +1627,12 @@
 #if CONFIG_GLOBAL_MOTION
       zeromv[0].as_int = gm_get_motion_vector(&cm->global_motion[rf[0]],
                                               cm->allow_high_precision_mv,
-                                              bsize, mi_col, mi_row)
+                                              bsize, mi_col, mi_row, 0)
                              .as_int;
       zeromv[1].as_int = (rf[1] != NONE_FRAME)
                              ? gm_get_motion_vector(&cm->global_motion[rf[1]],
                                                     cm->allow_high_precision_mv,
-                                                    bsize, mi_col, mi_row)
+                                                    bsize, mi_col, mi_row, 0)
                                    .as_int
                              : 0;
 #else