libvpx: Pull from upstream

source/libvpx/vp9/decoder/vp9_detokenize.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 17 matching lines @@
 #define TWO_CONTEXT_NODE            1
 #define THREE_CONTEXT_NODE          2
 #define HIGH_LOW_CONTEXT_NODE       3
 #define CAT_ONE_CONTEXT_NODE        4
 #define CAT_THREEFOUR_CONTEXT_NODE  5
 #define CAT_THREE_CONTEXT_NODE      6
 #define CAT_FIVE_CONTEXT_NODE       7
 
 #define INCREMENT_COUNT(token)                              \
   do {                                                      \
-     if (!cm->frame_parallel_decoding_mode)                 \
+     if (counts)                                            \
        ++coef_counts[band][ctx][token];                     \
   } while (0)
 
 static INLINE int read_coeff(const vp9_prob *probs, int n, vp9_reader *r) {
   int i, val = 0;
   for (i = 0; i < n; ++i)
     val = (val << 1) | vp9_read(r, probs[i]);
   return val;
 }
 
-static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd,
-                        FRAME_COUNTS *counts, PLANE_TYPE type,
+static int decode_coefs(const MACROBLOCKD *xd,
+                        PLANE_TYPE type,
                         tran_low_t *dqcoeff, TX_SIZE tx_size, const int16_t *dq,
                         int ctx, const int16_t *scan, const int16_t *nb,
                         vp9_reader *r) {
+  FRAME_COUNTS *counts = xd->counts;
   const int max_eob = 16 << (tx_size << 1);
-  const FRAME_CONTEXT *const fc = cm->fc;
+  const FRAME_CONTEXT *const fc = xd->fc;
   const int ref = is_inter_block(&xd->mi[0]->mbmi);
   int band, c = 0;
   const vp9_prob (*coef_probs)[COEFF_CONTEXTS][UNCONSTRAINED_NODES] =
       fc->coef_probs[tx_size][type][ref];
   const vp9_prob *prob;
-  unsigned int (*coef_counts)[COEFF_CONTEXTS][UNCONSTRAINED_NODES + 1] =
-      counts->coef[tx_size][type][ref];
-  unsigned int (*eob_branch_count)[COEFF_CONTEXTS] =
-      counts->eob_branch[tx_size][type][ref];
+  unsigned int (*coef_counts)[COEFF_CONTEXTS][UNCONSTRAINED_NODES + 1];
+  unsigned int (*eob_branch_count)[COEFF_CONTEXTS];
   uint8_t token_cache[32 * 32];
   const uint8_t *band_translate = get_band_translate(tx_size);
   const int dq_shift = (tx_size == TX_32X32);
   int v, token;
   int16_t dqv = dq[0];
   const uint8_t *cat1_prob;
   const uint8_t *cat2_prob;
   const uint8_t *cat3_prob;
   const uint8_t *cat4_prob;
   const uint8_t *cat5_prob;
   const uint8_t *cat6_prob;
 
+  if (counts) {
+    coef_counts = counts->coef[tx_size][type][ref];
+    eob_branch_count = counts->eob_branch[tx_size][type][ref];
+  }
+
 #if CONFIG_VP9_HIGHBITDEPTH
-  if (cm->use_highbitdepth) {
-    if (cm->bit_depth == VPX_BITS_10) {
+  if (xd->bd > VPX_BITS_8) {
+    if (xd->bd == VPX_BITS_10) {
       cat1_prob = vp9_cat1_prob_high10;
       cat2_prob = vp9_cat2_prob_high10;
       cat3_prob = vp9_cat3_prob_high10;
       cat4_prob = vp9_cat4_prob_high10;
       cat5_prob = vp9_cat5_prob_high10;
       cat6_prob = vp9_cat6_prob_high10;
     } else {
       cat1_prob = vp9_cat1_prob_high12;
       cat2_prob = vp9_cat2_prob_high12;
       cat3_prob = vp9_cat3_prob_high12;
@@ skipping 15 matching lines @@
   cat3_prob = vp9_cat3_prob;
   cat4_prob = vp9_cat4_prob;
   cat5_prob = vp9_cat5_prob;
   cat6_prob = vp9_cat6_prob;
 #endif
 
   while (c < max_eob) {
     int val = -1;
     band = *band_translate++;
     prob = coef_probs[band][ctx];
-    if (!cm->frame_parallel_decoding_mode)
+    if (counts)
       ++eob_branch_count[band][ctx];
     if (!vp9_read(r, prob[EOB_CONTEXT_NODE])) {
       INCREMENT_COUNT(EOB_MODEL_TOKEN);
       break;
     }
 
     while (!vp9_read(r, prob[ZERO_CONTEXT_NODE])) {
       INCREMENT_COUNT(ZERO_TOKEN);
       dqv = dq[1];
       token_cache[scan[c]] = 0;
@@ skipping 29 matching lines @@
           val = CAT3_MIN_VAL + read_coeff(cat3_prob, 3, r);
           break;
         case CATEGORY4_TOKEN:
           val = CAT4_MIN_VAL + read_coeff(cat4_prob, 4, r);
           break;
         case CATEGORY5_TOKEN:
           val = CAT5_MIN_VAL + read_coeff(cat5_prob, 5, r);
           break;
         case CATEGORY6_TOKEN:
 #if CONFIG_VP9_HIGHBITDEPTH
-          switch (cm->bit_depth) {
+          switch (xd->bd) {
             case VPX_BITS_8:
               val = CAT6_MIN_VAL + read_coeff(cat6_prob, 14, r);
               break;
             case VPX_BITS_10:
               val = CAT6_MIN_VAL + read_coeff(cat6_prob, 16, r);
               break;
             case VPX_BITS_12:
               val = CAT6_MIN_VAL + read_coeff(cat6_prob, 18, r);
               break;
             default:
               assert(0);
               return -1;
           }
 #else
           val = CAT6_MIN_VAL + read_coeff(cat6_prob, 14, r);
 #endif
           break;
       }
     }
     v = (val * dqv) >> dq_shift;
 #if CONFIG_COEFFICIENT_RANGE_CHECKING
 #if CONFIG_VP9_HIGHBITDEPTH
     dqcoeff[scan[c]] = highbd_check_range((vp9_read_bit(r) ? -v : v),
-                                          cm->bit_depth);
+                                          xd->bd);
 #else
     dqcoeff[scan[c]] = check_range(vp9_read_bit(r) ? -v : v);
 #endif  // CONFIG_VP9_HIGHBITDEPTH
 #else
     dqcoeff[scan[c]] = vp9_read_bit(r) ? -v : v;
 #endif  // CONFIG_COEFFICIENT_RANGE_CHECKING
     token_cache[scan[c]] = vp9_pt_energy_class[token];
     ++c;
     ctx = get_coef_context(nb, token_cache, c);
     dqv = dq[1];
   }
 
   return c;
 }
 
-int vp9_decode_block_tokens(VP9_COMMON *cm, MACROBLOCKD *xd,
-                            FRAME_COUNTS *counts, int plane, int block,
+int vp9_decode_block_tokens(MACROBLOCKD *xd,
+                            int plane, int block,
                             BLOCK_SIZE plane_bsize, int x, int y,
                             TX_SIZE tx_size, vp9_reader *r,
                             int seg_id) {
   struct macroblockd_plane *const pd = &xd->plane[plane];
-  const int16_t *const dequant = (plane == 0) ? cm->y_dequant[seg_id]
-                                              : cm->uv_dequant[seg_id];
+  const int16_t *const dequant = pd->seg_dequant[seg_id];
   const int ctx = get_entropy_context(tx_size, pd->above_context + x,
                                                pd->left_context + y);
   const scan_order *so = get_scan(xd, tx_size, pd->plane_type, block);
-  const int eob = decode_coefs(cm, xd, counts, pd->plane_type,
+  const int eob = decode_coefs(xd, pd->plane_type,
                                BLOCK_OFFSET(pd->dqcoeff, block), tx_size,
                                dequant, ctx, so->scan, so->neighbors, r);
   vp9_set_contexts(xd, pd, plane_bsize, tx_size, eob > 0, x, y);
   return eob;
 }