commit d2bf696ee02893204e1f505384ea385ac49eb9a3
author James Zern <jzern@google.com> Thu Oct 24 16:31:07 2013 +0200
committer James Zern <jzern@google.com> Fri Oct 25 22:01:13 2013 +0200
tree 84ee0a97d2f94bc9ea41e8e5b7f9046b3d195ba0
parent 88d79eabdc30c6325fbe5fd76dac029d24bf9949

vp9: pass entropy context directly to set_skip_context

this will allow for separate storage to be used in tile decoding

Change-Id: I025595d83118bdc82a545dae69bc6602e8d2a6e3

vp9/common/vp9_onyxc_int.h

diff --git a/vp9/common/vp9_onyxc_int.h b/vp9/common/vp9_onyxc_int.h
index 129028b..04964b3 100644
--- a/vp9/common/vp9_onyxc_int.h
+++ b/vp9/common/vp9_onyxc_int.h
@@ -248,15 +248,18 @@
   return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2);
 }
 
-static INLINE void set_skip_context(VP9_COMMON *cm, MACROBLOCKD *xd,
-                                    int mi_row, int mi_col) {
+static INLINE void set_skip_context(
+    MACROBLOCKD *xd,
+    ENTROPY_CONTEXT *above_context[MAX_MB_PLANE],
+    ENTROPY_CONTEXT left_context[MAX_MB_PLANE][16],
+    int mi_row, int mi_col) {
   const int above_idx = mi_col * 2;
   const int left_idx = (mi_row * 2) & 15;
   int i;
   for (i = 0; i < MAX_MB_PLANE; i++) {
     struct macroblockd_plane *const pd = &xd->plane[i];
-    pd->above_context = cm->above_context[i] + (above_idx >> pd->subsampling_x);
-    pd->left_context = cm->left_context[i] + (left_idx >> pd->subsampling_y);
+    pd->above_context = above_context[i] + (above_idx >> pd->subsampling_x);
+    pd->left_context = left_context[i] + (left_idx >> pd->subsampling_y);
   }
 }
 

vp9/decoder/vp9_decodframe.c

diff --git a/vp9/decoder/vp9_decodframe.c b/vp9/decoder/vp9_decodframe.c
index 9ad0820..d50a1c2 100644
--- a/vp9/decoder/vp9_decodframe.c
+++ b/vp9/decoder/vp9_decodframe.c
@@ -328,7 +328,7 @@
   // cannot be used.
   xd->last_mi = cm->prev_mi ? xd->prev_mi_8x8[0] : NULL;
 
-  set_skip_context(cm, xd, mi_row, mi_col);
+  set_skip_context(xd, cm->above_context, cm->left_context, mi_row, mi_col);
 
   // Distance of Mb to the various image edges. These are specified to 8th pel
   // as they are always compared to values that are in 1/8th pel units

vp9/encoder/vp9_encodeframe.c

diff --git a/vp9/encoder/vp9_encodeframe.c b/vp9/encoder/vp9_encodeframe.c
index 3e96e08..e793d10 100644
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -499,7 +499,7 @@
   const int idx_map = mb_row * cm->mb_cols + mb_col;
   const struct segmentation *const seg = &cm->seg;
 
-  set_skip_context(cm, xd, mi_row, mi_col);
+  set_skip_context(xd, cm->above_context, cm->left_context, mi_row, mi_col);
 
   // Activity map pointer
   x->mb_activity_ptr = &cpi->mb_activity_map[idx_map];