commit b90a97a840e2aaeab6a64f25dd4288041038c7af
author Yunqing Wang <yunqingwang@google.com> Tue Oct 24 11:50:15 2017 -0700
committer Yunqing Wang <yunqingwang@google.com> Tue Oct 24 22:58:52 2017 +0000
tree 586fafea1f119f11b822746633c7d688ed6ddfbe
parent 4afda450fdbb7dea724858a355b4ccd77b517815

Enhance and refactor copying code

Modified the copying code and the profiling showed better performance
than previous implementation.

Change-Id: I41f585e0b0eac7a0deb4dec197c178e412a48db9

av1/decoder/decodemv.c

diff --git a/av1/decoder/decodemv.c b/av1/decoder/decodemv.c
index 995dca7..0377f7b 100644
--- a/av1/decoder/decodemv.c
+++ b/av1/decoder/decodemv.c
@@ -2814,12 +2814,13 @@
   int w, h;
 
   for (h = 0; h < y_mis; h++) {
-    MV_REF *const frame_mv = frame_mvs + h * frame_mvs_stride;
+    MV_REF *mv = frame_mvs;
     for (w = 0; w < x_mis; w++) {
-      MV_REF *const mv = frame_mv + w;
       mv->ref_frame[0] = NONE_FRAME;
       mv->ref_frame[1] = NONE_FRAME;
+      mv++;
     }
+    frame_mvs += frame_mvs_stride;
   }
 }