commit 3ef926edc22b9394070088018f28b8c2a08d248f
author Nathan E. Egge <negge@mozilla.com> Wed Sep 07 18:20:41 2016 -0400
committer Yaowu Xu <yaowu@google.com> Fri Oct 21 12:39:04 2016 -0700
tree 6627ec1cfa08a1ecb88918176ebb2382059622d5
parent 5357dcaf71cbbf687aba8bfc7c0892f384480ba3

Update kf_y_mode_cdf tables once per frame.

Move computing the kf_y_mode_cdf tables per coded intra mode symbol to
 computing them only when the probabilities are updated.

Change-Id: I5999447050c2f7d5dbccde80bee05ecd1c5440ab

av1/encoder/bitstream.c

diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index e0fb7ec..70f7e7b 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -192,6 +192,8 @@
       structure. */
   av1_indices_from_tree(av1_ext_tx_ind, av1_ext_tx_inv, TX_TYPES,
                         av1_ext_tx_tree);
+  av1_indices_from_tree(av1_intra_mode_ind, av1_intra_mode_inv, INTRA_MODES,
+                        av1_intra_mode_tree);
 #endif
 }
 
@@ -1622,8 +1624,13 @@
     write_selected_tx_size(cm, xd, w);
 
   if (bsize >= BLOCK_8X8) {
+#if CONFIG_DAALA_EC
+    aom_write_symbol(w, av1_intra_mode_ind[mbmi->mode],
+                     get_y_mode_cdf(cm, mi, above_mi, left_mi, 0), INTRA_MODES);
+#else
     write_intra_mode(w, mbmi->mode,
                      get_y_mode_probs(cm, mi, above_mi, left_mi, 0));
+#endif
   } else {
     const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize];
     const int num_4x4_h = num_4x4_blocks_high_lookup[bsize];
@@ -1632,8 +1639,14 @@
     for (idy = 0; idy < 2; idy += num_4x4_h) {
       for (idx = 0; idx < 2; idx += num_4x4_w) {
         const int block = idy * 2 + idx;
+#if CONFIG_DAALA_EC
+        aom_write_symbol(w, av1_intra_mode_ind[mi->bmi[block].as_mode],
+                         get_y_mode_cdf(cm, mi, above_mi, left_mi, block),
+                         INTRA_MODES);
+#else
         write_intra_mode(w, mi->bmi[block].as_mode,
                          get_y_mode_probs(cm, mi, above_mi, left_mi, block));
+#endif
       }
     }
   }
@@ -3621,10 +3634,18 @@
 
   if (frame_is_intra_only(cm)) {
     av1_copy(cm->kf_y_prob, av1_kf_y_mode_prob);
+#if CONFIG_DAALA_EC
+    av1_copy(cm->kf_y_cdf, av1_kf_y_mode_cdf);
+#endif
     for (i = 0; i < INTRA_MODES; ++i)
-      for (j = 0; j < INTRA_MODES; ++j)
+      for (j = 0; j < INTRA_MODES; ++j) {
         prob_diff_update(av1_intra_mode_tree, cm->kf_y_prob[i][j],
                          counts->kf_y_mode[i][j], INTRA_MODES, header_bc);
+#if CONFIG_DAALA_EC
+        av1_tree_to_cdf(av1_intra_mode_tree, cm->kf_y_prob[i][j],
+                        cm->kf_y_cdf[i][j]);
+#endif
+      }
   } else {
 #if CONFIG_REF_MV
     update_inter_mode_probs(cm, header_bc, counts);