libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_tokenize.c

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 142 matching lines @@
   } while (++i < DCT_MAX_VALUE);
 
   vp9_dct_value_tokens_ptr = dct_value_tokens + DCT_MAX_VALUE;
   vp9_dct_value_cost_ptr = dct_value_cost + DCT_MAX_VALUE;
 }
 
 struct tokenize_b_args {
   VP9_COMP *cpi;
   MACROBLOCKD *xd;
   TOKENEXTRA **tp;
-  TX_SIZE tx_size;
   uint8_t *token_cache;
 };
 
 static void set_entropy_context_b(int plane, int block, BLOCK_SIZE plane_bsize,
                                   TX_SIZE tx_size, void *arg) {
   struct tokenize_b_args* const args = arg;
   MACROBLOCKD *const xd = args->xd;
   struct macroblock_plane *p = &args->cpi->mb.plane[plane];
   struct macroblockd_plane *pd = &xd->plane[plane];
   int aoff, loff;
   txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &aoff, &loff);
-  set_contexts(xd, pd, plane_bsize, tx_size, p->eobs[block] > 0, aoff, loff);
+  vp9_set_contexts(xd, pd, plane_bsize, tx_size, p->eobs[block] > 0,
+                   aoff, loff);
 }
 
 static INLINE void add_token(TOKENEXTRA **t, const vp9_prob *context_tree,
                              int16_t extra, uint8_t token,
                              uint8_t skip_eob_node,
                              unsigned int *counts) {
   (*t)->token = token;
   (*t)->extra = extra;
   (*t)->context_tree = context_tree;
   (*t)->skip_eob_node = skip_eob_node;
   (*t)++;
   ++counts[token];
 }
 
+static INLINE void add_token_no_extra(TOKENEXTRA **t,
+                                      const vp9_prob *context_tree,
+                                      uint8_t token,
+                                      uint8_t skip_eob_node,
+                                      unsigned int *counts) {
+  (*t)->token = token;
+  (*t)->context_tree = context_tree;
+  (*t)->skip_eob_node = skip_eob_node;
+  (*t)++;
+  ++counts[token];
+}
+
 static void tokenize_b(int plane, int block, BLOCK_SIZE plane_bsize,
                        TX_SIZE tx_size, void *arg) {
   struct tokenize_b_args* const args = arg;
   VP9_COMP *cpi = args->cpi;
   MACROBLOCKD *xd = args->xd;
   TOKENEXTRA **tp = args->tp;
   uint8_t *token_cache = args->token_cache;
   struct macroblock_plane *p = &cpi->mb.plane[plane];
   struct macroblockd_plane *pd = &xd->plane[plane];
   MB_MODE_INFO *mbmi = &xd->mi_8x8[0]->mbmi;
   int pt; /* near block/prev token context index */
-  int c = 0;
+  int c;
   TOKENEXTRA *t = *tp;        /* store tokens starting here */
   int eob = p->eobs[block];
   const PLANE_TYPE type = pd->plane_type;
   const int16_t *qcoeff_ptr = BLOCK_OFFSET(p->qcoeff, block);
   const int segment_id = mbmi->segment_id;
   const int16_t *scan, *nb;
   const scan_order *so;
-  vp9_coeff_count *const counts = cpi->coef_counts[tx_size];
-  vp9_coeff_probs_model *const coef_probs = cpi->common.fc.coef_probs[tx_size];
   const int ref = is_inter_block(mbmi);
+  unsigned int (*const counts)[COEFF_CONTEXTS][ENTROPY_TOKENS] =
+      cpi->coef_counts[tx_size][type][ref];
+  vp9_prob (*const coef_probs)[COEFF_CONTEXTS][UNCONSTRAINED_NODES] =
+      cpi->common.fc.coef_probs[tx_size][type][ref];
+  unsigned int (*const eob_branch)[COEFF_CONTEXTS] =
+      cpi->common.counts.eob_branch[tx_size][type][ref];
+
   const uint8_t *const band = get_band_translate(tx_size);
   const int seg_eob = get_tx_eob(&cpi->common.seg, segment_id, tx_size);
 
   int aoff, loff;
   txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &aoff, &loff);
 
   pt = get_entropy_context(tx_size, pd->above_context + aoff,
                            pd->left_context + loff);
   so = get_scan(xd, tx_size, type, block);
   scan = so->scan;
   nb = so->neighbors;
   c = 0;
   while (c < eob) {
     int v = 0;
     int skip_eob = 0;
     v = qcoeff_ptr[scan[c]];
 
     while (!v) {
-      add_token(&t, coef_probs[type][ref][band[c]][pt], 0, ZERO_TOKEN, skip_eob,
-                counts[type][ref][band[c]][pt]);
-
-      cpi->common.counts.eob_branch[tx_size][type][ref][band[c]][pt] +=
-          !skip_eob;
+      add_token_no_extra(&t, coef_probs[band[c]][pt], ZERO_TOKEN, skip_eob,
+                         counts[band[c]][pt]);
+      eob_branch[band[c]][pt] += !skip_eob;
 
       skip_eob = 1;
       token_cache[scan[c]] = 0;
       ++c;
       pt = get_coef_context(nb, token_cache, c);
       v = qcoeff_ptr[scan[c]];
     }
-    add_token(&t, coef_probs[type][ref][band[c]][pt],
+
+    add_token(&t, coef_probs[band[c]][pt],
               vp9_dct_value_tokens_ptr[v].extra,
               vp9_dct_value_tokens_ptr[v].token, skip_eob,
-              counts[type][ref][band[c]][pt]);
-
-    cpi->common.counts.eob_branch[tx_size][type][ref][band[c]][pt] += !skip_eob;
+              counts[band[c]][pt]);
+    eob_branch[band[c]][pt] += !skip_eob;
 
     token_cache[scan[c]] =
         vp9_pt_energy_class[vp9_dct_value_tokens_ptr[v].token];
     ++c;
     pt = get_coef_context(nb, token_cache, c);
   }
   if (c < seg_eob) {
-    add_token(&t, coef_probs[type][ref][band[c]][pt], 0, EOB_TOKEN, 0,
-              counts[type][ref][band[c]][pt]);
-    ++cpi->common.counts.eob_branch[tx_size][type][ref][band[c]][pt];
+    add_token_no_extra(&t, coef_probs[band[c]][pt], EOB_TOKEN, 0,
+                       counts[band[c]][pt]);
+    ++eob_branch[band[c]][pt];
   }
 
   *tp = t;
 
-  set_contexts(xd, pd, plane_bsize, tx_size, c > 0, aoff, loff);
+  vp9_set_contexts(xd, pd, plane_bsize, tx_size, c > 0, aoff, loff);
 }
 
 struct is_skippable_args {
   MACROBLOCK *x;
   int *skippable;
 };
 
 static void is_skippable(int plane, int block,
                          BLOCK_SIZE plane_bsize, TX_SIZE tx_size,
                          void *argv) {
   struct is_skippable_args *args = argv;
   args->skippable[0] &= (!args->x->plane[plane].eobs[block]);
 }
 
 static int sb_is_skippable(MACROBLOCK *x, BLOCK_SIZE bsize) {
   int result = 1;
   struct is_skippable_args args = {x, &result};
-  foreach_transformed_block(&x->e_mbd, bsize, is_skippable, &args);
+  vp9_foreach_transformed_block(&x->e_mbd, bsize, is_skippable, &args);
   return result;
 }
 
 int vp9_is_skippable_in_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) {
   int result = 1;
   struct is_skippable_args args = {x, &result};
-  foreach_transformed_block_in_plane(&x->e_mbd, bsize, plane, is_skippable,
-                                     &args);
+  vp9_foreach_transformed_block_in_plane(&x->e_mbd, bsize, plane, is_skippable,
+                                         &args);
   return result;
 }
 
 void vp9_tokenize_sb(VP9_COMP *cpi, TOKENEXTRA **t, int dry_run,
                      BLOCK_SIZE bsize) {
   VP9_COMMON *const cm = &cpi->common;
   MACROBLOCKD *const xd = &cpi->mb.e_mbd;
   MB_MODE_INFO *const mbmi = &xd->mi_8x8[0]->mbmi;
   TOKENEXTRA *t_backup = *t;
   const int ctx = vp9_get_skip_context(xd);
   const int skip_inc = !vp9_segfeature_active(&cm->seg, mbmi->segment_id,
                                               SEG_LVL_SKIP);
-  struct tokenize_b_args arg = {cpi, xd, t, mbmi->tx_size, cpi->mb.token_cache};
-  if (mbmi->skip_coeff) {
+  struct tokenize_b_args arg = {cpi, xd, t, cpi->mb.token_cache};
+  if (mbmi->skip) {
     if (!dry_run)
-      cm->counts.mbskip[ctx][1] += skip_inc;
+      cm->counts.skip[ctx][1] += skip_inc;
     reset_skip_context(xd, bsize);
     if (dry_run)
       *t = t_backup;
     return;
   }
 
   if (!dry_run) {
-    cm->counts.mbskip[ctx][0] += skip_inc;
-    foreach_transformed_block(xd, bsize, tokenize_b, &arg);
+    cm->counts.skip[ctx][0] += skip_inc;
+    vp9_foreach_transformed_block(xd, bsize, tokenize_b, &arg);
   } else {
-    foreach_transformed_block(xd, bsize, set_entropy_context_b, &arg);
+    vp9_foreach_transformed_block(xd, bsize, set_entropy_context_b, &arg);
     *t = t_backup;
   }
 }
 
 void vp9_tokenize_initialize() {
   fill_value_tokens();
 }