shithub: libvpx

Download patch

ref: 405fe6b78c3b13d2d1921f7ee745b08ce8605ed0
parent: 76b5a3371cf769d547b02b3d3c6576a017fb794c
parent: 8d006a16c53e10d481d1df148140ee7c2561460e
author: Jingning Han <jingning@google.com>
date: Tue Mar 1 17:31:29 EST 2016 

Merge "Back port partition rate cost estimate fix to VP9"


--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -2440,7 +2440,8 @@
   PARTITION_CONTEXT sl[8], sa[8];
   TOKENEXTRA *tp_orig = *tp;
   PICK_MODE_CONTEXT *ctx = &pc_tree->none;
-  int i, pl;
+  int i;
+  const int pl = partition_plane_context(xd, mi_row, mi_col, bsize);
   BLOCK_SIZE subsize;
   RD_COST this_rdc, sum_rdc, best_rdc;
   int do_split = bsize >= BLOCK_8X8;
@@ -2588,7 +2589,6 @@
                      &this_rdc, bsize, ctx, best_rdc.rdcost);
     if (this_rdc.rate != INT_MAX) {
       if (bsize >= BLOCK_8X8) {
-        pl = partition_plane_context(xd, mi_row, mi_col, bsize);
         this_rdc.rate += cpi->partition_cost[pl][PARTITION_NONE];
         this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv,
                                  this_rdc.rate, this_rdc.dist);
@@ -2707,7 +2707,6 @@
     }
 
     if (sum_rdc.rdcost < best_rdc.rdcost && i == 4) {
-      pl = partition_plane_context(xd, mi_row, mi_col, bsize);
       sum_rdc.rate += cpi->partition_cost[pl][PARTITION_SPLIT];
       sum_rdc.rdcost = RDCOST(x->rdmult, x->rddiv,
                               sum_rdc.rate, sum_rdc.dist);
@@ -2773,7 +2772,6 @@
     }
 
     if (sum_rdc.rdcost < best_rdc.rdcost) {
-      pl = partition_plane_context(xd, mi_row, mi_col, bsize);
       sum_rdc.rate += cpi->partition_cost[pl][PARTITION_HORZ];
       sum_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, sum_rdc.rate, sum_rdc.dist);
       if (sum_rdc.rdcost < best_rdc.rdcost) {
@@ -2825,7 +2823,6 @@
     }
 
     if (sum_rdc.rdcost < best_rdc.rdcost) {
-      pl = partition_plane_context(xd, mi_row, mi_col, bsize);
       sum_rdc.rate += cpi->partition_cost[pl][PARTITION_VERT];
       sum_rdc.rdcost = RDCOST(x->rdmult, x->rddiv,
                               sum_rdc.rate, sum_rdc.dist);