libvpx: Pull from upstream

source/libvpx/vp9/decoder/vp9_decodemv.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.
  */
 
 #include <assert.h>
 
 #include "vp9/common/vp9_common.h"
 #include "vp9/common/vp9_entropy.h"
 #include "vp9/common/vp9_entropymode.h"
 #include "vp9/common/vp9_entropymv.h"
 #include "vp9/common/vp9_mvref_common.h"
 #include "vp9/common/vp9_pred_common.h"
 #include "vp9/common/vp9_reconinter.h"
 #include "vp9/common/vp9_seg_common.h"
 
 #include "vp9/decoder/vp9_decodemv.h"
 #include "vp9/decoder/vp9_decodeframe.h"
 #include "vp9/decoder/vp9_reader.h"
 
 static PREDICTION_MODE read_intra_mode(vp9_reader *r, const vp9_prob *p) {
   return (PREDICTION_MODE)vp9_read_tree(r, vp9_intra_mode_tree, p);
 }
 
-static PREDICTION_MODE read_intra_mode_y(VP9_COMMON *cm, vp9_reader *r,
-                                            int size_group) {
+static PREDICTION_MODE read_intra_mode_y(VP9_COMMON *cm, FRAME_COUNTS *counts,
+                                         vp9_reader *r, int size_group) {
   const PREDICTION_MODE y_mode =
       read_intra_mode(r, cm->fc->y_mode_prob[size_group]);
   if (!cm->frame_parallel_decoding_mode)
-    ++cm->counts.y_mode[size_group][y_mode];
+    ++counts->y_mode[size_group][y_mode];
   return y_mode;
 }
 
-static PREDICTION_MODE read_intra_mode_uv(VP9_COMMON *cm, vp9_reader *r,
+static PREDICTION_MODE read_intra_mode_uv(VP9_COMMON *cm, FRAME_COUNTS *counts,
+                                          vp9_reader *r,
                                           PREDICTION_MODE y_mode) {
   const PREDICTION_MODE uv_mode = read_intra_mode(r,
                                          cm->fc->uv_mode_prob[y_mode]);
   if (!cm->frame_parallel_decoding_mode)
-    ++cm->counts.uv_mode[y_mode][uv_mode];
+    ++counts->uv_mode[y_mode][uv_mode];
   return uv_mode;
 }
 
-static PREDICTION_MODE read_inter_mode(VP9_COMMON *cm, vp9_reader *r, int ctx) {
+static PREDICTION_MODE read_inter_mode(VP9_COMMON *cm, FRAME_COUNTS *counts,
+                                       vp9_reader *r, int ctx) {
   const int mode = vp9_read_tree(r, vp9_inter_mode_tree,
                                  cm->fc->inter_mode_probs[ctx]);
   if (!cm->frame_parallel_decoding_mode)
-    ++cm->counts.inter_mode[ctx][mode];
+    ++counts->inter_mode[ctx][mode];
 
   return NEARESTMV + mode;
 }
 
 static int read_segment_id(vp9_reader *r, const struct segmentation *seg) {
   return vp9_read_tree(r, vp9_segment_tree, seg->tree_probs);
 }
 
 static TX_SIZE read_selected_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd,
+                                     FRAME_COUNTS *counts,
                                      TX_SIZE max_tx_size, vp9_reader *r) {
   const int ctx = vp9_get_tx_size_context(xd);
   const vp9_prob *tx_probs = get_tx_probs(max_tx_size, ctx, &cm->fc->tx_probs);
   int tx_size = vp9_read(r, tx_probs[0]);
   if (tx_size != TX_4X4 && max_tx_size >= TX_16X16) {
     tx_size += vp9_read(r, tx_probs[1]);
     if (tx_size != TX_8X8 && max_tx_size >= TX_32X32)
       tx_size += vp9_read(r, tx_probs[2]);
   }
 
   if (!cm->frame_parallel_decoding_mode)
-    ++get_tx_counts(max_tx_size, ctx, &cm->counts.tx)[tx_size];
+    ++get_tx_counts(max_tx_size, ctx, &counts->tx)[tx_size];
   return (TX_SIZE)tx_size;
 }
 
 static TX_SIZE read_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd,
+                            FRAME_COUNTS *counts,
                             int allow_select, vp9_reader *r) {
   TX_MODE tx_mode = cm->tx_mode;
   BLOCK_SIZE bsize = xd->mi[0].src_mi->mbmi.sb_type;
   const TX_SIZE max_tx_size = max_txsize_lookup[bsize];
   if (allow_select && tx_mode == TX_MODE_SELECT && bsize >= BLOCK_8X8)
-    return read_selected_tx_size(cm, xd, max_tx_size, r);
+    return read_selected_tx_size(cm, xd, counts, max_tx_size, r);
   else
     return MIN(max_tx_size, tx_mode_to_biggest_tx_size[tx_mode]);
 }
 
 static void set_segment_id(VP9_COMMON *cm, BLOCK_SIZE bsize,
                            int mi_row, int mi_col, int segment_id) {
   const int mi_offset = mi_row * cm->mi_cols + mi_col;
   const int bw = num_8x8_blocks_wide_lookup[bsize];
   const int bh = num_8x8_blocks_high_lookup[bsize];
   const int xmis = MIN(cm->mi_cols - mi_col, bw);
   const int ymis = MIN(cm->mi_rows - mi_row, bh);
   int x, y;
 
   assert(segment_id >= 0 && segment_id < MAX_SEGMENTS);
 
   for (y = 0; y < ymis; y++)
     for (x = 0; x < xmis; x++)
-      cm->last_frame_seg_map[mi_offset + y * cm->mi_cols + x] = segment_id;
+      cm->current_frame_seg_map[mi_offset + y * cm->mi_cols + x] = segment_id;
+}
+
+static void copy_segment_id(const VP9_COMMON *cm,
+                           const uint8_t *last_segment_ids,
+                           uint8_t *current_segment_ids,
+                           BLOCK_SIZE bsize, int mi_row, int mi_col) {
+  const int mi_offset = mi_row * cm->mi_cols + mi_col;
+  const int bw = num_8x8_blocks_wide_lookup[bsize];
+  const int bh = num_8x8_blocks_high_lookup[bsize];
+  const int xmis = MIN(cm->mi_cols - mi_col, bw);
+  const int ymis = MIN(cm->mi_rows - mi_row, bh);
+  int x, y;
+
+  for (y = 0; y < ymis; y++)
+    for (x = 0; x < xmis; x++)
+      current_segment_ids[mi_offset + y * cm->mi_cols + x] =  last_segment_ids ?
+          last_segment_ids[mi_offset + y * cm->mi_cols + x] : 0;
 }
 
 static int read_intra_segment_id(VP9_COMMON *const cm, MACROBLOCKD *const xd,
                                  int mi_row, int mi_col,
                                  vp9_reader *r) {
   struct segmentation *const seg = &cm->seg;
   const BLOCK_SIZE bsize = xd->mi[0].src_mi->mbmi.sb_type;
   int segment_id;
 
   if (!seg->enabled)
     return 0;  // Default for disabled segmentation
 
-  if (!seg->update_map)
+  if (!seg->update_map) {
+    copy_segment_id(cm, cm->last_frame_seg_map, cm->current_frame_seg_map,
+                    bsize, mi_row, mi_col);
     return 0;
+  }
 
   segment_id = read_segment_id(r, seg);
   set_segment_id(cm, bsize, mi_row, mi_col, segment_id);
   return segment_id;
 }
 
 static int read_inter_segment_id(VP9_COMMON *const cm, MACROBLOCKD *const xd,
                                  int mi_row, int mi_col, vp9_reader *r) {
   struct segmentation *const seg = &cm->seg;
   MB_MODE_INFO *const mbmi = &xd->mi[0].src_mi->mbmi;
   const BLOCK_SIZE bsize = mbmi->sb_type;
   int predicted_segment_id, segment_id;
 
   if (!seg->enabled)
     return 0;  // Default for disabled segmentation
 
-  predicted_segment_id = vp9_get_segment_id(cm, cm->last_frame_seg_map,
-                                            bsize, mi_row, mi_col);
-  if (!seg->update_map)
+  predicted_segment_id = cm->last_frame_seg_map ?
+      vp9_get_segment_id(cm, cm->last_frame_seg_map, bsize, mi_row, mi_col) : 0;
+
+  if (!seg->update_map) {
+    copy_segment_id(cm, cm->last_frame_seg_map, cm->current_frame_seg_map,
+                    bsize, mi_row, mi_col);
     return predicted_segment_id;
+  }
 
   if (seg->temporal_update) {
     const vp9_prob pred_prob = vp9_get_pred_prob_seg_id(seg, xd);
     mbmi->seg_id_predicted = vp9_read(r, pred_prob);
     segment_id = mbmi->seg_id_predicted ? predicted_segment_id
                                         : read_segment_id(r, seg);
   } else {
     segment_id = read_segment_id(r, seg);
   }
   set_segment_id(cm, bsize, mi_row, mi_col, segment_id);
   return segment_id;
 }
 
 static int read_skip(VP9_COMMON *cm, const MACROBLOCKD *xd,
+                     FRAME_COUNTS *counts,
                      int segment_id, vp9_reader *r) {
   if (vp9_segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) {
     return 1;
   } else {
     const int ctx = vp9_get_skip_context(xd);
     const int skip = vp9_read(r, cm->fc->skip_probs[ctx]);
     if (!cm->frame_parallel_decoding_mode)
-      ++cm->counts.skip[ctx][skip];
+      ++counts->skip[ctx][skip];
     return skip;
   }
 }
 
 static void read_intra_frame_mode_info(VP9_COMMON *const cm,
                                        MACROBLOCKD *const xd,
+                                       FRAME_COUNTS *counts,
                                        int mi_row, int mi_col, vp9_reader *r) {
   MODE_INFO *const mi = xd->mi[0].src_mi;
   MB_MODE_INFO *const mbmi = &mi->mbmi;
   const MODE_INFO *above_mi = xd->mi[-cm->mi_stride].src_mi;
   const MODE_INFO *left_mi  = xd->left_available ? xd->mi[-1].src_mi : NULL;
   const BLOCK_SIZE bsize = mbmi->sb_type;
   int i;
 
   mbmi->segment_id = read_intra_segment_id(cm, xd, mi_row, mi_col, r);
-  mbmi->skip = read_skip(cm, xd, mbmi->segment_id, r);
-  mbmi->tx_size = read_tx_size(cm, xd, 1, r);
+  mbmi->skip = read_skip(cm, xd, counts, mbmi->segment_id, r);
+  mbmi->tx_size = read_tx_size(cm, xd, counts, 1, r);
   mbmi->ref_frame[0] = INTRA_FRAME;
   mbmi->ref_frame[1] = NONE;
 
   switch (bsize) {
     case BLOCK_4X4:
       for (i = 0; i < 4; ++i)
         mi->bmi[i].as_mode =
             read_intra_mode(r, get_y_mode_probs(mi, above_mi, left_mi, i));
       mbmi->mode = mi->bmi[3].as_mode;
       break;
@@ skipping 64 matching lines @@
     diff.col = read_mv_component(r, &ctx->comps[1], use_hp);
 
   vp9_inc_mv(&diff, counts);
 
   mv->row = ref->row + diff.row;
   mv->col = ref->col + diff.col;
 }
 
 static REFERENCE_MODE read_block_reference_mode(VP9_COMMON *cm,
                                                 const MACROBLOCKD *xd,
+                                                FRAME_COUNTS *counts,
                                                 vp9_reader *r) {
   if (cm->reference_mode == REFERENCE_MODE_SELECT) {
     const int ctx = vp9_get_reference_mode_context(cm, xd);
     const REFERENCE_MODE mode =
         (REFERENCE_MODE)vp9_read(r, cm->fc->comp_inter_prob[ctx]);
     if (!cm->frame_parallel_decoding_mode)
-      ++cm->counts.comp_inter[ctx][mode];
+      ++counts->comp_inter[ctx][mode];
     return mode;  // SINGLE_REFERENCE or COMPOUND_REFERENCE
   } else {
     return cm->reference_mode;
   }
 }
 
 // Read the referncence frame
 static void read_ref_frames(VP9_COMMON *const cm, MACROBLOCKD *const xd,
-                            vp9_reader *r,
+                            FRAME_COUNTS *counts, vp9_reader *r,
                             int segment_id, MV_REFERENCE_FRAME ref_frame[2]) {
   FRAME_CONTEXT *const fc = cm->fc;
-  FRAME_COUNTS *const counts = &cm->counts;
 
   if (vp9_segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) {
     ref_frame[0] = (MV_REFERENCE_FRAME)vp9_get_segdata(&cm->seg, segment_id,
                                                        SEG_LVL_REF_FRAME);
     ref_frame[1] = NONE;
   } else {
-    const REFERENCE_MODE mode = read_block_reference_mode(cm, xd, r);
+    const REFERENCE_MODE mode = read_block_reference_mode(cm, xd, counts, r);
     // FIXME(rbultje) I'm pretty sure this breaks segmentation ref frame coding
     if (mode == COMPOUND_REFERENCE) {
       const int idx = cm->ref_frame_sign_bias[cm->comp_fixed_ref];
       const int ctx = vp9_get_pred_context_comp_ref_p(cm, xd);
       const int bit = vp9_read(r, fc->comp_ref_prob[ctx]);
       if (!cm->frame_parallel_decoding_mode)
         ++counts->comp_ref[ctx][bit];
       ref_frame[idx] = cm->comp_fixed_ref;
       ref_frame[!idx] = cm->comp_var_ref[bit];
     } else if (mode == SINGLE_REFERENCE) {
@@ skipping 13 matching lines @@
 
       ref_frame[1] = NONE;
     } else {
       assert(0 && "Invalid prediction mode.");
     }
   }
 }
 
 
 static INLINE INTERP_FILTER read_switchable_interp_filter(
-    VP9_COMMON *const cm, MACROBLOCKD *const xd, vp9_reader *r) {
+    VP9_COMMON *const cm, MACROBLOCKD *const xd,
+    FRAME_COUNTS *counts, vp9_reader *r) {
   const int ctx = vp9_get_pred_context_switchable_interp(xd);
   const INTERP_FILTER type =
       (INTERP_FILTER)vp9_read_tree(r, vp9_switchable_interp_tree,
                                    cm->fc->switchable_interp_prob[ctx]);
   if (!cm->frame_parallel_decoding_mode)
-    ++cm->counts.switchable_interp[ctx][type];
+    ++counts->switchable_interp[ctx][type];
   return type;
 }
 
-static void read_intra_block_mode_info(VP9_COMMON *const cm, MODE_INFO *mi,
+static void read_intra_block_mode_info(VP9_COMMON *const cm,
+                                       FRAME_COUNTS *counts, MODE_INFO *mi,
                                        vp9_reader *r) {
   MB_MODE_INFO *const mbmi = &mi->mbmi;
   const BLOCK_SIZE bsize = mi->mbmi.sb_type;
   int i;
 
   mbmi->ref_frame[0] = INTRA_FRAME;
   mbmi->ref_frame[1] = NONE;
 
   switch (bsize) {
     case BLOCK_4X4:
       for (i = 0; i < 4; ++i)
-        mi->bmi[i].as_mode = read_intra_mode_y(cm, r, 0);
+        mi->bmi[i].as_mode = read_intra_mode_y(cm, counts, r, 0);
       mbmi->mode = mi->bmi[3].as_mode;
       break;
     case BLOCK_4X8:
-      mi->bmi[0].as_mode = mi->bmi[2].as_mode = read_intra_mode_y(cm, r, 0);
+      mi->bmi[0].as_mode = mi->bmi[2].as_mode = read_intra_mode_y(cm, counts,
+                                                                  r, 0);
       mi->bmi[1].as_mode = mi->bmi[3].as_mode = mbmi->mode =
-          read_intra_mode_y(cm, r, 0);
+          read_intra_mode_y(cm, counts, r, 0);
       break;
     case BLOCK_8X4:
-      mi->bmi[0].as_mode = mi->bmi[1].as_mode = read_intra_mode_y(cm, r, 0);
+      mi->bmi[0].as_mode = mi->bmi[1].as_mode = read_intra_mode_y(cm, counts,
+                                                                  r, 0);
       mi->bmi[2].as_mode = mi->bmi[3].as_mode = mbmi->mode =
-          read_intra_mode_y(cm, r, 0);
+          read_intra_mode_y(cm, counts, r, 0);
       break;
     default:
-      mbmi->mode = read_intra_mode_y(cm, r, size_group_lookup[bsize]);
+      mbmi->mode = read_intra_mode_y(cm, counts, r, size_group_lookup[bsize]);
   }
 
-  mbmi->uv_mode = read_intra_mode_uv(cm, r, mbmi->mode);
+  mbmi->uv_mode = read_intra_mode_uv(cm, counts, r, mbmi->mode);
 }
 
 static INLINE int is_mv_valid(const MV *mv) {
   return mv->row > MV_LOW && mv->row < MV_UPP &&
          mv->col > MV_LOW && mv->col < MV_UPP;
 }
 
-static INLINE int assign_mv(VP9_COMMON *cm, PREDICTION_MODE mode,
+static INLINE int assign_mv(VP9_COMMON *cm, FRAME_COUNTS *counts,
+                            PREDICTION_MODE mode,
                             int_mv mv[2], int_mv ref_mv[2],
                             int_mv nearest_mv[2], int_mv near_mv[2],
                             int is_compound, int allow_hp, vp9_reader *r) {
   int i;
   int ret = 1;
 
   switch (mode) {
     case NEWMV: {
       nmv_context_counts *const mv_counts = cm->frame_parallel_decoding_mode ?
-                                            NULL : &cm->counts.mv;
+                                            NULL : &counts->mv;
       for (i = 0; i < 1 + is_compound; ++i) {
         read_mv(r, &mv[i].as_mv, &ref_mv[i].as_mv, &cm->fc->nmvc, mv_counts,
                 allow_hp);
         ret = ret && is_mv_valid(&mv[i].as_mv);
       }
       break;
     }
     case NEARESTMV: {
       mv[0].as_int = nearest_mv[0].as_int;
       if (is_compound)
@@ skipping 13 matching lines @@
       break;
     }
     default: {
       return 0;
     }
   }
   return ret;
 }
 
 static int read_is_inter_block(VP9_COMMON *const cm, MACROBLOCKD *const xd,
+                               FRAME_COUNTS *counts,
                                int segment_id, vp9_reader *r) {
   if (vp9_segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) {
     return vp9_get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME) !=
            INTRA_FRAME;
   } else {
     const int ctx = vp9_get_intra_inter_context(xd);
     const int is_inter = vp9_read(r, cm->fc->intra_inter_prob[ctx]);
     if (!cm->frame_parallel_decoding_mode)
-      ++cm->counts.intra_inter[ctx][is_inter];
+      ++counts->intra_inter[ctx][is_inter];
     return is_inter;
   }
 }
 
-static void read_inter_block_mode_info(VP9_COMMON *const cm,
+static void fpm_sync(void *const data, int mi_row) {
+  VP9Decoder *const pbi = (VP9Decoder *)data;
+  vp9_frameworker_wait(pbi->frame_worker_owner, pbi->prev_buf,
+                       mi_row << MI_BLOCK_SIZE_LOG2);
+}
+
+static void read_inter_block_mode_info(VP9Decoder *const pbi,
                                        MACROBLOCKD *const xd,
+                                       FRAME_COUNTS *counts,
                                        const TileInfo *const tile,
                                        MODE_INFO *const mi,
                                        int mi_row, int mi_col, vp9_reader *r) {
+  VP9_COMMON *const cm = &pbi->common;
   MB_MODE_INFO *const mbmi = &mi->mbmi;
   const BLOCK_SIZE bsize = mbmi->sb_type;
   const int allow_hp = cm->allow_high_precision_mv;
   int_mv nearestmv[2], nearmv[2];
   int inter_mode_ctx, ref, is_compound;
 
-  read_ref_frames(cm, xd, r, mbmi->segment_id, mbmi->ref_frame);
+  read_ref_frames(cm, xd, counts, r, mbmi->segment_id, mbmi->ref_frame);
   is_compound = has_second_ref(mbmi);
 
   for (ref = 0; ref < 1 + is_compound; ++ref) {
     const MV_REFERENCE_FRAME frame = mbmi->ref_frame[ref];
     RefBuffer *ref_buf = &cm->frame_refs[frame - LAST_FRAME];
     xd->block_refs[ref] = ref_buf;
     if ((!vp9_is_valid_scale(&ref_buf->sf)))
       vpx_internal_error(xd->error_info, VPX_CODEC_UNSUP_BITSTREAM,
                          "Reference frame has invalid dimensions");
     vp9_setup_pre_planes(xd, ref, ref_buf->buf, mi_row, mi_col,
                          &ref_buf->sf);
     vp9_find_mv_refs(cm, xd, tile, mi, frame, mbmi->ref_mvs[frame],
-                     mi_row, mi_col);
+                     mi_row, mi_col, fpm_sync, (void *)pbi);
   }
 
   inter_mode_ctx = mbmi->mode_context[mbmi->ref_frame[0]];
 
   if (vp9_segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
     mbmi->mode = ZEROMV;
     if (bsize < BLOCK_8X8) {
         vpx_internal_error(xd->error_info, VPX_CODEC_UNSUP_BITSTREAM,
                            "Invalid usage of segement feature on small blocks");
         return;
     }
   } else {
     if (bsize >= BLOCK_8X8)
-      mbmi->mode = read_inter_mode(cm, r, inter_mode_ctx);
+      mbmi->mode = read_inter_mode(cm, counts, r, inter_mode_ctx);
   }
 
   if (bsize < BLOCK_8X8 || mbmi->mode != ZEROMV) {
     for (ref = 0; ref < 1 + is_compound; ++ref) {
       vp9_find_best_ref_mvs(xd, allow_hp, mbmi->ref_mvs[mbmi->ref_frame[ref]],
                             &nearestmv[ref], &nearmv[ref]);
     }
   }
 
   mbmi->interp_filter = (cm->interp_filter == SWITCHABLE)
-                      ? read_switchable_interp_filter(cm, xd, r)
+                      ? read_switchable_interp_filter(cm, xd, counts, r)
                       : cm->interp_filter;
 
   if (bsize < BLOCK_8X8) {
     const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize];  // 1 or 2
     const int num_4x4_h = num_4x4_blocks_high_lookup[bsize];  // 1 or 2
     int idx, idy;
     PREDICTION_MODE b_mode;
     int_mv nearest_sub8x8[2], near_sub8x8[2];
     for (idy = 0; idy < 2; idy += num_4x4_h) {
       for (idx = 0; idx < 2; idx += num_4x4_w) {
         int_mv block[2];
         const int j = idy * 2 + idx;
-        b_mode = read_inter_mode(cm, r, inter_mode_ctx);
+        b_mode = read_inter_mode(cm, counts, r, inter_mode_ctx);
 
         if (b_mode == NEARESTMV || b_mode == NEARMV)
           for (ref = 0; ref < 1 + is_compound; ++ref)
             vp9_append_sub8x8_mvs_for_idx(cm, xd, tile, j, ref, mi_row, mi_col,
                                           &nearest_sub8x8[ref],
                                           &near_sub8x8[ref]);
 
-        if (!assign_mv(cm, b_mode, block, nearestmv,
+        if (!assign_mv(cm, counts, b_mode, block, nearestmv,
                        nearest_sub8x8, near_sub8x8,
                        is_compound, allow_hp, r)) {
           xd->corrupted |= 1;
           break;
         };
 
         mi->bmi[j].as_mv[0].as_int = block[0].as_int;
         if (is_compound)
           mi->bmi[j].as_mv[1].as_int = block[1].as_int;
 
         if (num_4x4_h == 2)
           mi->bmi[j + 2] = mi->bmi[j];
         if (num_4x4_w == 2)
           mi->bmi[j + 1] = mi->bmi[j];
       }
     }
 
     mi->mbmi.mode = b_mode;
 
     mbmi->mv[0].as_int = mi->bmi[3].as_mv[0].as_int;
     mbmi->mv[1].as_int = mi->bmi[3].as_mv[1].as_int;
   } else {
-    xd->corrupted |= !assign_mv(cm, mbmi->mode, mbmi->mv, nearestmv,
+    xd->corrupted |= !assign_mv(cm, counts, mbmi->mode, mbmi->mv, nearestmv,
                                 nearestmv, nearmv, is_compound, allow_hp, r);
   }
 }
 
-static void read_inter_frame_mode_info(VP9_COMMON *const cm,
+static void read_inter_frame_mode_info(VP9Decoder *const pbi,
                                        MACROBLOCKD *const xd,
+                                       FRAME_COUNTS *counts,
                                        const TileInfo *const tile,
                                        int mi_row, int mi_col, vp9_reader *r) {
+  VP9_COMMON *const cm = &pbi->common;
   MODE_INFO *const mi = xd->mi[0].src_mi;
   MB_MODE_INFO *const mbmi = &mi->mbmi;
   int inter_block;
 
   mbmi->mv[0].as_int = 0;
   mbmi->mv[1].as_int = 0;
   mbmi->segment_id = read_inter_segment_id(cm, xd, mi_row, mi_col, r);
-  mbmi->skip = read_skip(cm, xd, mbmi->segment_id, r);
-  inter_block = read_is_inter_block(cm, xd, mbmi->segment_id, r);
-  mbmi->tx_size = read_tx_size(cm, xd, !mbmi->skip || !inter_block, r);
+  mbmi->skip = read_skip(cm, xd, counts, mbmi->segment_id, r);
+  inter_block = read_is_inter_block(cm, xd, counts, mbmi->segment_id, r);
+  mbmi->tx_size = read_tx_size(cm, xd, counts, !mbmi->skip || !inter_block, r);
 
   if (inter_block)
-    read_inter_block_mode_info(cm, xd, tile, mi, mi_row, mi_col, r);
+    read_inter_block_mode_info(pbi, xd, counts, tile, mi, mi_row, mi_col, r);
   else
-    read_intra_block_mode_info(cm, mi, r);
+    read_intra_block_mode_info(cm, counts, mi, r);
 }
 
-void vp9_read_mode_info(VP9_COMMON *cm, MACROBLOCKD *xd,
+void vp9_read_mode_info(VP9Decoder *const pbi, MACROBLOCKD *xd,
+                        FRAME_COUNTS *counts,
                         const TileInfo *const tile,
                         int mi_row, int mi_col, vp9_reader *r) {
+  VP9_COMMON *const cm = &pbi->common;
   MODE_INFO *const mi = xd->mi[0].src_mi;
   const int bw = num_8x8_blocks_wide_lookup[mi->mbmi.sb_type];
   const int bh = num_8x8_blocks_high_lookup[mi->mbmi.sb_type];
   const int x_mis = MIN(bw, cm->mi_cols - mi_col);
   const int y_mis = MIN(bh, cm->mi_rows - mi_row);
   MV_REF* frame_mvs = cm->cur_frame->mvs + mi_row * cm->mi_cols + mi_col;
   int w, h;
 
   if (frame_is_intra_only(cm))
-    read_intra_frame_mode_info(cm, xd, mi_row, mi_col, r);
+    read_intra_frame_mode_info(cm, xd, counts, mi_row, mi_col, r);
   else
-    read_inter_frame_mode_info(cm, xd, tile, mi_row, mi_col, r);
+    read_inter_frame_mode_info(pbi, xd, counts, tile, mi_row, mi_col, r);
 
   for (h = 0; h < y_mis; ++h) {
     MV_REF *const frame_mv = frame_mvs + h * cm->mi_cols;
     for (w = 0; w < x_mis; ++w) {
       MV_REF *const mv = frame_mv + w;
       mv->ref_frame[0] = mi->src_mi->mbmi.ref_frame[0];
       mv->ref_frame[1] = mi->src_mi->mbmi.ref_frame[1];
       mv->mv[0].as_int = mi->src_mi->mbmi.mv[0].as_int;
       mv->mv[1].as_int = mi->src_mi->mbmi.mv[1].as_int;
     }
   }
 }