shithub: libvpx

Download patch

ref: db85ea21848e30e12f21a0e51da9ca2c54480988
parent: 5c185a05875465325d5e3fe706ce5ab8bdf14f16
author: Dmitry Kovalev <dkovalev@google.com>
date: Wed Apr 2 15:07:51 EDT 2014 

Making frame_branch_ct a local array.

Change-Id: Id79ed3b87fd6055e96738af53eb964addd0b918b


--- a/vp9/encoder/vp9_bitstream.c
+++ b/vp9/encoder/vp9_bitstream.c
@@ -484,12 +484,12 @@
   }
 }
 
-static void build_tree_distribution(VP9_COMP *cpi, TX_SIZE tx_size) {
+static void build_tree_distribution(VP9_COMP *cpi, TX_SIZE tx_size,
+                                    vp9_coeff_stats *coef_branch_ct) {
   vp9_coeff_probs_model *coef_probs = cpi->frame_coef_probs[tx_size];
   vp9_coeff_count *coef_counts = cpi->coef_counts[tx_size];
   unsigned int (*eob_branch_ct)[REF_TYPES][COEF_BANDS][COEFF_CONTEXTS] =
       cpi->common.counts.eob_branch[tx_size];
-  vp9_coeff_stats *coef_branch_ct = cpi->frame_branch_ct[tx_size];
   int i, j, k, l, m;
 
   for (i = 0; i < PLANE_TYPES; ++i) {
@@ -512,11 +512,11 @@
 }
 
 static void update_coef_probs_common(vp9_writer* const bc, VP9_COMP *cpi,
-                                     TX_SIZE tx_size) {
+                                     TX_SIZE tx_size,
+                                     vp9_coeff_stats *frame_branch_ct) {
   vp9_coeff_probs_model *new_frame_coef_probs = cpi->frame_coef_probs[tx_size];
   vp9_coeff_probs_model *old_frame_coef_probs =
       cpi->common.fc.coef_probs[tx_size];
-  vp9_coeff_stats *frame_branch_ct = cpi->frame_branch_ct[tx_size];
   const vp9_prob upd = DIFF_UPDATE_PROB;
   const int entropy_nodes_update = UNCONSTRAINED_NODES;
   int i, j, k, l, t;
@@ -669,13 +669,15 @@
   const TX_MODE tx_mode = cpi->common.tx_mode;
   const TX_SIZE max_tx_size = tx_mode_to_biggest_tx_size[tx_mode];
   TX_SIZE tx_size;
+  vp9_coeff_stats frame_branch_ct[TX_SIZES][PLANE_TYPES];
+
   vp9_clear_system_state();
 
   for (tx_size = TX_4X4; tx_size <= TX_32X32; ++tx_size)
-    build_tree_distribution(cpi, tx_size);
+    build_tree_distribution(cpi, tx_size, frame_branch_ct[tx_size]);
 
   for (tx_size = TX_4X4; tx_size <= max_tx_size; ++tx_size)
-    update_coef_probs_common(w, cpi, tx_size);
+    update_coef_probs_common(w, cpi, tx_size, frame_branch_ct[tx_size]);
 }
 
 static void encode_loopfilter(struct loopfilter *lf,
--- a/vp9/encoder/vp9_onyx_int.h
+++ b/vp9/encoder/vp9_onyx_int.h
@@ -385,7 +385,6 @@
 
   vp9_coeff_count coef_counts[TX_SIZES][PLANE_TYPES];
   vp9_coeff_probs_model frame_coef_probs[TX_SIZES][PLANE_TYPES];
-  vp9_coeff_stats frame_branch_ct[TX_SIZES][PLANE_TYPES];
 
   struct vpx_codec_pkt_list  *output_pkt_list;