Release v1.5.0v1.5.0javanwhistlingduck

Javan Whistling Duck release.

Change-Id: If44c9ca16a8188b68759325fbacc771365cb4af8

12 files changed, 0 insertions, 4571 deletions

diff --git a/vp10/decoder/decodeframe.c b/vp10/decoder/decodeframe.c
deleted file mode 100644
index 5c95e16bc..000000000
--- a/vp10/decoder/decodeframe.c
+++ /dev/null
@@ -1,2419 +0,0 @@
-/*
- *  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 <stdlib.h>  // qsort()
-
-#include "./vp10_rtcd.h"
-#include "./vpx_dsp_rtcd.h"
-#include "./vpx_scale_rtcd.h"
-
-#include "vpx_dsp/bitreader_buffer.h"
-#include "vpx_dsp/bitreader.h"
-#include "vpx_dsp/vpx_dsp_common.h"
-#include "vpx_mem/vpx_mem.h"
-#include "vpx_ports/mem.h"
-#include "vpx_ports/mem_ops.h"
-#include "vpx_scale/vpx_scale.h"
-#include "vpx_util/vpx_thread.h"
-
-#include "vp10/common/alloccommon.h"
-#include "vp10/common/common.h"
-#include "vp10/common/entropy.h"
-#include "vp10/common/entropymode.h"
-#include "vp10/common/idct.h"
-#include "vp10/common/thread_common.h"
-#include "vp10/common/pred_common.h"
-#include "vp10/common/quant_common.h"
-#include "vp10/common/reconintra.h"
-#include "vp10/common/reconinter.h"
-#include "vp10/common/seg_common.h"
-#include "vp10/common/tile_common.h"
-
-#include "vp10/decoder/decodeframe.h"
-#include "vp10/decoder/detokenize.h"
-#include "vp10/decoder/decodemv.h"
-#include "vp10/decoder/decoder.h"
-#include "vp10/decoder/dsubexp.h"
-
-#define MAX_VP9_HEADER_SIZE 80
-
-static int is_compound_reference_allowed(const VP10_COMMON *cm) {
-  int i;
-  if (frame_is_intra_only(cm))
-    return 0;
-  for (i = 1; i < REFS_PER_FRAME; ++i)
-    if (cm->ref_frame_sign_bias[i + 1] != cm->ref_frame_sign_bias[1])
-      return 1;
-
-  return 0;
-}
-
-static void setup_compound_reference_mode(VP10_COMMON *cm) {
-  if (cm->ref_frame_sign_bias[LAST_FRAME] ==
-          cm->ref_frame_sign_bias[GOLDEN_FRAME]) {
-    cm->comp_fixed_ref = ALTREF_FRAME;
-    cm->comp_var_ref[0] = LAST_FRAME;
-    cm->comp_var_ref[1] = GOLDEN_FRAME;
-  } else if (cm->ref_frame_sign_bias[LAST_FRAME] ==
-                 cm->ref_frame_sign_bias[ALTREF_FRAME]) {
-    cm->comp_fixed_ref = GOLDEN_FRAME;
-    cm->comp_var_ref[0] = LAST_FRAME;
-    cm->comp_var_ref[1] = ALTREF_FRAME;
-  } else {
-    cm->comp_fixed_ref = LAST_FRAME;
-    cm->comp_var_ref[0] = GOLDEN_FRAME;
-    cm->comp_var_ref[1] = ALTREF_FRAME;
-  }
-}
-
-static int read_is_valid(const uint8_t *start, size_t len, const uint8_t *end) {
-  return len != 0 && len <= (size_t)(end - start);
-}
-
-static int decode_unsigned_max(struct vpx_read_bit_buffer *rb, int max) {
-  const int data = vpx_rb_read_literal(rb, get_unsigned_bits(max));
-  return data > max ? max : data;
-}
-
-#if CONFIG_MISC_FIXES
-static TX_MODE read_tx_mode(struct vpx_read_bit_buffer *rb) {
-  return vpx_rb_read_bit(rb) ? TX_MODE_SELECT : vpx_rb_read_literal(rb, 2);
-}
-#else
-static TX_MODE read_tx_mode(vpx_reader *r) {
-  TX_MODE tx_mode = vpx_read_literal(r, 2);
-  if (tx_mode == ALLOW_32X32)
-    tx_mode += vpx_read_bit(r);
-  return tx_mode;
-}
-#endif
-
-static void read_tx_mode_probs(struct tx_probs *tx_probs, vpx_reader *r) {
-  int i, j;
-
-  for (i = 0; i < TX_SIZE_CONTEXTS; ++i)
-    for (j = 0; j < TX_SIZES - 3; ++j)
-      vp10_diff_update_prob(r, &tx_probs->p8x8[i][j]);
-
-  for (i = 0; i < TX_SIZE_CONTEXTS; ++i)
-    for (j = 0; j < TX_SIZES - 2; ++j)
-      vp10_diff_update_prob(r, &tx_probs->p16x16[i][j]);
-
-  for (i = 0; i < TX_SIZE_CONTEXTS; ++i)
-    for (j = 0; j < TX_SIZES - 1; ++j)
-      vp10_diff_update_prob(r, &tx_probs->p32x32[i][j]);
-}
-
-static void read_switchable_interp_probs(FRAME_CONTEXT *fc, vpx_reader *r) {
-  int i, j;
-  for (j = 0; j < SWITCHABLE_FILTER_CONTEXTS; ++j)
-    for (i = 0; i < SWITCHABLE_FILTERS - 1; ++i)
-      vp10_diff_update_prob(r, &fc->switchable_interp_prob[j][i]);
-}
-
-static void read_inter_mode_probs(FRAME_CONTEXT *fc, vpx_reader *r) {
-  int i, j;
-  for (i = 0; i < INTER_MODE_CONTEXTS; ++i)
-    for (j = 0; j < INTER_MODES - 1; ++j)
-      vp10_diff_update_prob(r, &fc->inter_mode_probs[i][j]);
-}
-
-#if CONFIG_MISC_FIXES
-static REFERENCE_MODE read_frame_reference_mode(const VP10_COMMON *cm,
-    struct vpx_read_bit_buffer *rb) {
-  if (is_compound_reference_allowed(cm)) {
-    return vpx_rb_read_bit(rb) ? REFERENCE_MODE_SELECT
-                               : (vpx_rb_read_bit(rb) ? COMPOUND_REFERENCE
-                                                      : SINGLE_REFERENCE);
-  } else {
-    return SINGLE_REFERENCE;
-  }
-}
-#else
-static REFERENCE_MODE read_frame_reference_mode(const VP10_COMMON *cm,
-                                                vpx_reader *r) {
-  if (is_compound_reference_allowed(cm)) {
-    return vpx_read_bit(r) ? (vpx_read_bit(r) ? REFERENCE_MODE_SELECT
-                                              : COMPOUND_REFERENCE)
-                           : SINGLE_REFERENCE;
-  } else {
-    return SINGLE_REFERENCE;
-  }
-}
-#endif
-
-static void read_frame_reference_mode_probs(VP10_COMMON *cm, vpx_reader *r) {
-  FRAME_CONTEXT *const fc = cm->fc;
-  int i;
-
-  if (cm->reference_mode == REFERENCE_MODE_SELECT)
-    for (i = 0; i < COMP_INTER_CONTEXTS; ++i)
-      vp10_diff_update_prob(r, &fc->comp_inter_prob[i]);
-
-  if (cm->reference_mode != COMPOUND_REFERENCE)
-    for (i = 0; i < REF_CONTEXTS; ++i) {
-      vp10_diff_update_prob(r, &fc->single_ref_prob[i][0]);
-      vp10_diff_update_prob(r, &fc->single_ref_prob[i][1]);
-    }
-
-  if (cm->reference_mode != SINGLE_REFERENCE)
-    for (i = 0; i < REF_CONTEXTS; ++i)
-      vp10_diff_update_prob(r, &fc->comp_ref_prob[i]);
-}
-
-static void update_mv_probs(vpx_prob *p, int n, vpx_reader *r) {
-  int i;
-  for (i = 0; i < n; ++i)
-#if CONFIG_MISC_FIXES
-    vp10_diff_update_prob(r, &p[i]);
-#else
-    if (vpx_read(r, MV_UPDATE_PROB))
-      p[i] = (vpx_read_literal(r, 7) << 1) | 1;
-#endif
-}
-
-static void read_mv_probs(nmv_context *ctx, int allow_hp, vpx_reader *r) {
-  int i, j;
-
-  update_mv_probs(ctx->joints, MV_JOINTS - 1, r);
-
-  for (i = 0; i < 2; ++i) {
-    nmv_component *const comp_ctx = &ctx->comps[i];
-    update_mv_probs(&comp_ctx->sign, 1, r);
-    update_mv_probs(comp_ctx->classes, MV_CLASSES - 1, r);
-    update_mv_probs(comp_ctx->class0, CLASS0_SIZE - 1, r);
-    update_mv_probs(comp_ctx->bits, MV_OFFSET_BITS, r);
-  }
-
-  for (i = 0; i < 2; ++i) {
-    nmv_component *const comp_ctx = &ctx->comps[i];
-    for (j = 0; j < CLASS0_SIZE; ++j)
-      update_mv_probs(comp_ctx->class0_fp[j], MV_FP_SIZE - 1, r);
-    update_mv_probs(comp_ctx->fp, 3, r);
-  }
-
-  if (allow_hp) {
-    for (i = 0; i < 2; ++i) {
-      nmv_component *const comp_ctx = &ctx->comps[i];
-      update_mv_probs(&comp_ctx->class0_hp, 1, r);
-      update_mv_probs(&comp_ctx->hp, 1, r);
-    }
-  }
-}
-
-static void inverse_transform_block_inter(MACROBLOCKD* xd, int plane,
-                                          const TX_SIZE tx_size,
-                                          uint8_t *dst, int stride,
-                                          int eob, int block) {
-  struct macroblockd_plane *const pd = &xd->plane[plane];
-  TX_TYPE tx_type = get_tx_type(pd->plane_type, xd, block);
-  const int seg_id = xd->mi[0]->mbmi.segment_id;
-  if (eob > 0) {
-    tran_low_t *const dqcoeff = pd->dqcoeff;
-#if CONFIG_VP9_HIGHBITDEPTH
-    if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
-      switch (tx_size) {
-        case TX_4X4:
-          vp10_highbd_inv_txfm_add_4x4(dqcoeff, dst, stride, eob, xd->bd,
-                                       tx_type, xd->lossless[seg_id]);
-          break;
-        case TX_8X8:
-          vp10_highbd_inv_txfm_add_8x8(dqcoeff, dst, stride, eob, xd->bd,
-                                       tx_type);
-          break;
-        case TX_16X16:
-          vp10_highbd_inv_txfm_add_16x16(dqcoeff, dst, stride, eob, xd->bd,
-                                         tx_type);
-          break;
-        case TX_32X32:
-          vp10_highbd_inv_txfm_add_32x32(dqcoeff, dst, stride, eob, xd->bd,
-                                         tx_type);
-          break;
-        default:
-          assert(0 && "Invalid transform size");
-          return;
-      }
-    } else {
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-      switch (tx_size) {
-        case TX_4X4:
-          vp10_inv_txfm_add_4x4(dqcoeff, dst, stride, eob, tx_type,
-                                xd->lossless[seg_id]);
-          break;
-        case TX_8X8:
-          vp10_inv_txfm_add_8x8(dqcoeff, dst, stride, eob, tx_type);
-          break;
-        case TX_16X16:
-          vp10_inv_txfm_add_16x16(dqcoeff, dst, stride, eob, tx_type);
-          break;
-        case TX_32X32:
-          vp10_inv_txfm_add_32x32(dqcoeff, dst, stride, eob, tx_type);
-          break;
-        default:
-          assert(0 && "Invalid transform size");
-          return;
-      }
-#if CONFIG_VP9_HIGHBITDEPTH
-    }
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-
-    if (eob == 1) {
-      dqcoeff[0] = 0;
-    } else {
-      if (tx_size <= TX_16X16 && eob <= 10)
-        memset(dqcoeff, 0, 4 * (4 << tx_size) * sizeof(dqcoeff[0]));
-      else if (tx_size == TX_32X32 && eob <= 34)
-        memset(dqcoeff, 0, 256 * sizeof(dqcoeff[0]));
-      else
-        memset(dqcoeff, 0, (16 << (tx_size << 1)) * sizeof(dqcoeff[0]));
-    }
-  }
-}
-
-static void inverse_transform_block_intra(MACROBLOCKD* xd, int plane,
-                                          const TX_TYPE tx_type,
-                                          const TX_SIZE tx_size,
-                                          uint8_t *dst, int stride,
-                                          int eob) {
-  struct macroblockd_plane *const pd = &xd->plane[plane];
-  const int seg_id = xd->mi[0]->mbmi.segment_id;
-  if (eob > 0) {
-    tran_low_t *const dqcoeff = pd->dqcoeff;
-#if CONFIG_VP9_HIGHBITDEPTH
-    if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
-      switch (tx_size) {
-        case TX_4X4:
-          vp10_highbd_inv_txfm_add_4x4(dqcoeff, dst, stride, eob, xd->bd,
-                                       tx_type, xd->lossless[seg_id]);
-          break;
-        case TX_8X8:
-          vp10_highbd_inv_txfm_add_8x8(dqcoeff, dst, stride, eob, xd->bd,
-                                       tx_type);
-          break;
-        case TX_16X16:
-          vp10_highbd_inv_txfm_add_16x16(dqcoeff, dst, stride, eob, xd->bd,
-                                         tx_type);
-          break;
-        case TX_32X32:
-          vp10_highbd_inv_txfm_add_32x32(dqcoeff, dst, stride, eob, xd->bd,
-                                         tx_type);
-          break;
-        default:
-          assert(0 && "Invalid transform size");
-          return;
-      }
-    } else {
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-      switch (tx_size) {
-        case TX_4X4:
-          vp10_inv_txfm_add_4x4(dqcoeff, dst, stride, eob, tx_type,
-                                xd->lossless[seg_id]);
-          break;
-        case TX_8X8:
-          vp10_inv_txfm_add_8x8(dqcoeff, dst, stride, eob, tx_type);
-          break;
-        case TX_16X16:
-          vp10_inv_txfm_add_16x16(dqcoeff, dst, stride, eob, tx_type);
-          break;
-        case TX_32X32:
-          vp10_inv_txfm_add_32x32(dqcoeff, dst, stride, eob, tx_type);
-          break;
-        default:
-          assert(0 && "Invalid transform size");
-          return;
-      }
-#if CONFIG_VP9_HIGHBITDEPTH
-    }
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-
-    if (eob == 1) {
-      dqcoeff[0] = 0;
-    } else {
-      if (tx_type == DCT_DCT && tx_size <= TX_16X16 && eob <= 10)
-        memset(dqcoeff, 0, 4 * (4 << tx_size) * sizeof(dqcoeff[0]));
-      else if (tx_size == TX_32X32 && eob <= 34)
-        memset(dqcoeff, 0, 256 * sizeof(dqcoeff[0]));
-      else
-        memset(dqcoeff, 0, (16 << (tx_size << 1)) * sizeof(dqcoeff[0]));
-    }
-  }
-}
-
-static void predict_and_reconstruct_intra_block(MACROBLOCKD *const xd,
-                                                vpx_reader *r,
-                                                MB_MODE_INFO *const mbmi,
-                                                int plane,
-                                                int row, int col,
-                                                TX_SIZE tx_size) {
-  struct macroblockd_plane *const pd = &xd->plane[plane];
-  PREDICTION_MODE mode = (plane == 0) ? mbmi->mode : mbmi->uv_mode;
-  PLANE_TYPE plane_type = (plane == 0) ? PLANE_TYPE_Y : PLANE_TYPE_UV;
-  uint8_t *dst;
-  int block_idx = (row << 1) + col;
-  dst = &pd->dst.buf[4 * row * pd->dst.stride + 4 * col];
-
-  if (mbmi->sb_type < BLOCK_8X8)
-    if (plane == 0)
-      mode = xd->mi[0]->bmi[(row << 1) + col].as_mode;
-
-  vp10_predict_intra_block(xd, pd->n4_wl, pd->n4_hl, tx_size, mode,
-                          dst, pd->dst.stride, dst, pd->dst.stride,
-                          col, row, plane);
-
-  if (!mbmi->skip) {
-    TX_TYPE tx_type = get_tx_type(plane_type, xd, block_idx);
-    const scan_order *sc = get_scan(tx_size, tx_type);
-    const int eob = vp10_decode_block_tokens(xd, plane, sc, col, row, tx_size,
-                                             r, mbmi->segment_id);
-    inverse_transform_block_intra(xd, plane, tx_type, tx_size,
-                                  dst, pd->dst.stride, eob);
-  }
-}
-
-static int reconstruct_inter_block(MACROBLOCKD *const xd, vpx_reader *r,
-                                   MB_MODE_INFO *const mbmi, int plane,
-                                   int row, int col, TX_SIZE tx_size) {
-  struct macroblockd_plane *const pd = &xd->plane[plane];
-  PLANE_TYPE plane_type = (plane == 0) ? PLANE_TYPE_Y : PLANE_TYPE_UV;
-  int block_idx = (row << 1) + col;
-  TX_TYPE tx_type = get_tx_type(plane_type, xd, block_idx);
-  const scan_order *sc = get_scan(tx_size, tx_type);
-  const int eob = vp10_decode_block_tokens(xd, plane, sc, col, row, tx_size, r,
-                                          mbmi->segment_id);
-
-  inverse_transform_block_inter(xd, plane, tx_size,
-                            &pd->dst.buf[4 * row * pd->dst.stride + 4 * col],
-                            pd->dst.stride, eob, block_idx);
-  return eob;
-}
-
-static void build_mc_border(const uint8_t *src, int src_stride,
-                            uint8_t *dst, int dst_stride,
-                            int x, int y, int b_w, int b_h, int w, int h) {
-  // Get a pointer to the start of the real data for this row.
-  const uint8_t *ref_row = src - x - y * src_stride;
-
-  if (y >= h)
-    ref_row += (h - 1) * src_stride;
-  else if (y > 0)
-    ref_row += y * src_stride;
-
-  do {
-    int right = 0, copy;
-    int left = x < 0 ? -x : 0;
-
-    if (left > b_w)
-      left = b_w;
-
-    if (x + b_w > w)
-      right = x + b_w - w;
-
-    if (right > b_w)
-      right = b_w;
-
-    copy = b_w - left - right;
-
-    if (left)
-      memset(dst, ref_row[0], left);
-
-    if (copy)
-      memcpy(dst + left, ref_row + x + left, copy);
-
-    if (right)
-      memset(dst + left + copy, ref_row[w - 1], right);
-
-    dst += dst_stride;
-    ++y;
-
-    if (y > 0 && y < h)
-      ref_row += src_stride;
-  } while (--b_h);
-}
-
-#if CONFIG_VP9_HIGHBITDEPTH
-static void high_build_mc_border(const uint8_t *src8, int src_stride,
-                                 uint16_t *dst, int dst_stride,
-                                 int x, int y, int b_w, int b_h,
-                                 int w, int h) {
-  // Get a pointer to the start of the real data for this row.
-  const uint16_t *src = CONVERT_TO_SHORTPTR(src8);
-  const uint16_t *ref_row = src - x - y * src_stride;
-
-  if (y >= h)
-    ref_row += (h - 1) * src_stride;
-  else if (y > 0)
-    ref_row += y * src_stride;
-
-  do {
-    int right = 0, copy;
-    int left = x < 0 ? -x : 0;
-
-    if (left > b_w)
-      left = b_w;
-
-    if (x + b_w > w)
-      right = x + b_w - w;
-
-    if (right > b_w)
-      right = b_w;
-
-    copy = b_w - left - right;
-
-    if (left)
-      vpx_memset16(dst, ref_row[0], left);
-
-    if (copy)
-      memcpy(dst + left, ref_row + x + left, copy * sizeof(uint16_t));
-
-    if (right)
-      vpx_memset16(dst + left + copy, ref_row[w - 1], right);
-
-    dst += dst_stride;
-    ++y;
-
-    if (y > 0 && y < h)
-      ref_row += src_stride;
-  } while (--b_h);
-}
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-
-#if CONFIG_VP9_HIGHBITDEPTH
-static void extend_and_predict(const uint8_t *buf_ptr1, int pre_buf_stride,
-                               int x0, int y0, int b_w, int b_h,
-                               int frame_width, int frame_height,
-                               int border_offset,
-                               uint8_t *const dst, int dst_buf_stride,
-                               int subpel_x, int subpel_y,
-                               const InterpKernel *kernel,
-                               const struct scale_factors *sf,
-                               MACROBLOCKD *xd,
-                               int w, int h, int ref, int xs, int ys) {
-  DECLARE_ALIGNED(16, uint16_t, mc_buf_high[80 * 2 * 80 * 2]);
-  const uint8_t *buf_ptr;
-
-  if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
-    high_build_mc_border(buf_ptr1, pre_buf_stride, mc_buf_high, b_w,
-                         x0, y0, b_w, b_h, frame_width, frame_height);
-    buf_ptr = CONVERT_TO_BYTEPTR(mc_buf_high) + border_offset;
-  } else {
-    build_mc_border(buf_ptr1, pre_buf_stride, (uint8_t *)mc_buf_high, b_w,
-                    x0, y0, b_w, b_h, frame_width, frame_height);
-    buf_ptr = ((uint8_t *)mc_buf_high) + border_offset;
-  }
-
-  if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
-    high_inter_predictor(buf_ptr, b_w, dst, dst_buf_stride, subpel_x,
-                         subpel_y, sf, w, h, ref, kernel, xs, ys, xd->bd);
-  } else {
-    inter_predictor(buf_ptr, b_w, dst, dst_buf_stride, subpel_x,
-                    subpel_y, sf, w, h, ref, kernel, xs, ys);
-  }
-}
-#else
-static void extend_and_predict(const uint8_t *buf_ptr1, int pre_buf_stride,
-                               int x0, int y0, int b_w, int b_h,
-                               int frame_width, int frame_height,
-                               int border_offset,
-                               uint8_t *const dst, int dst_buf_stride,
-                               int subpel_x, int subpel_y,
-                               const InterpKernel *kernel,
-                               const struct scale_factors *sf,
-                               int w, int h, int ref, int xs, int ys) {
-  DECLARE_ALIGNED(16, uint8_t, mc_buf[80 * 2 * 80 * 2]);
-  const uint8_t *buf_ptr;
-
-  build_mc_border(buf_ptr1, pre_buf_stride, mc_buf, b_w,
-                  x0, y0, b_w, b_h, frame_width, frame_height);
-  buf_ptr = mc_buf + border_offset;
-
-  inter_predictor(buf_ptr, b_w, dst, dst_buf_stride, subpel_x,
-                  subpel_y, sf, w, h, ref, kernel, xs, ys);
-}
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-
-static void dec_build_inter_predictors(VP10Decoder *const pbi, MACROBLOCKD *xd,
-                                       int plane, int bw, int bh, int x,
-                                       int y, int w, int h, int mi_x, int mi_y,
-                                       const InterpKernel *kernel,
-                                       const struct scale_factors *sf,
-                                       struct buf_2d *pre_buf,
-                                       struct buf_2d *dst_buf, const MV* mv,
-                                       RefCntBuffer *ref_frame_buf,
-                                       int is_scaled, int ref) {
-  VP10_COMMON *const cm = &pbi->common;
-  struct macroblockd_plane *const pd = &xd->plane[plane];
-  uint8_t *const dst = dst_buf->buf + dst_buf->stride * y + x;
-  MV32 scaled_mv;
-  int xs, ys, x0, y0, x0_16, y0_16, frame_width, frame_height,
-      buf_stride, subpel_x, subpel_y;
-  uint8_t *ref_frame, *buf_ptr;
-
-  // Get reference frame pointer, width and height.
-  if (plane == 0) {
-    frame_width = ref_frame_buf->buf.y_crop_width;
-    frame_height = ref_frame_buf->buf.y_crop_height;
-    ref_frame = ref_frame_buf->buf.y_buffer;
-  } else {
-    frame_width = ref_frame_buf->buf.uv_crop_width;
-    frame_height = ref_frame_buf->buf.uv_crop_height;
-    ref_frame = plane == 1 ? ref_frame_buf->buf.u_buffer
-                         : ref_frame_buf->buf.v_buffer;
-  }
-
-  if (is_scaled) {
-    const MV mv_q4 = clamp_mv_to_umv_border_sb(xd, mv, bw, bh,
-                                               pd->subsampling_x,
-                                               pd->subsampling_y);
-    // Co-ordinate of containing block to pixel precision.
-    int x_start = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x));
-    int y_start = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y));
-
-    // Co-ordinate of the block to 1/16th pixel precision.
-    x0_16 = (x_start + x) << SUBPEL_BITS;
-    y0_16 = (y_start + y) << SUBPEL_BITS;
-
-    // Co-ordinate of current block in reference frame
-    // to 1/16th pixel precision.
-    x0_16 = sf->scale_value_x(x0_16, sf);
-    y0_16 = sf->scale_value_y(y0_16, sf);
-
-    // Map the top left corner of the block into the reference frame.
-    x0 = sf->scale_value_x(x_start + x, sf);
-    y0 = sf->scale_value_y(y_start + y, sf);
-
-    // Scale the MV and incorporate the sub-pixel offset of the block
-    // in the reference frame.
-    scaled_mv = vp10_scale_mv(&mv_q4, mi_x + x, mi_y + y, sf);
-    xs = sf->x_step_q4;
-    ys = sf->y_step_q4;
-  } else {
-    // Co-ordinate of containing block to pixel precision.
-    x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x;
-    y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y;
-
-    // Co-ordinate of the block to 1/16th pixel precision.
-    x0_16 = x0 << SUBPEL_BITS;
-    y0_16 = y0 << SUBPEL_BITS;
-
-    scaled_mv.row = mv->row * (1 << (1 - pd->subsampling_y));
-    scaled_mv.col = mv->col * (1 << (1 - pd->subsampling_x));
-    xs = ys = 16;
-  }
-  subpel_x = scaled_mv.col & SUBPEL_MASK;
-  subpel_y = scaled_mv.row & SUBPEL_MASK;
-
-  // Calculate the top left corner of the best matching block in the
-  // reference frame.
-  x0 += scaled_mv.col >> SUBPEL_BITS;
-  y0 += scaled_mv.row >> SUBPEL_BITS;
-  x0_16 += scaled_mv.col;
-  y0_16 += scaled_mv.row;
-
-  // Get reference block pointer.
-  buf_ptr = ref_frame + y0 * pre_buf->stride + x0;
-  buf_stride = pre_buf->stride;
-
-  // Do border extension if there is motion or the
-  // width/height is not a multiple of 8 pixels.
-  if (is_scaled || scaled_mv.col || scaled_mv.row ||
-      (frame_width & 0x7) || (frame_height & 0x7)) {
-    int y1 = ((y0_16 + (h - 1) * ys) >> SUBPEL_BITS) + 1;
-
-    // Get reference block bottom right horizontal coordinate.
-    int x1 = ((x0_16 + (w - 1) * xs) >> SUBPEL_BITS) + 1;
-    int x_pad = 0, y_pad = 0;
-
-    if (subpel_x || (sf->x_step_q4 != SUBPEL_SHIFTS)) {
-      x0 -= VP9_INTERP_EXTEND - 1;
-      x1 += VP9_INTERP_EXTEND;
-      x_pad = 1;
-    }
-
-    if (subpel_y || (sf->y_step_q4 != SUBPEL_SHIFTS)) {
-      y0 -= VP9_INTERP_EXTEND - 1;
-      y1 += VP9_INTERP_EXTEND;
-      y_pad = 1;
-    }
-
-    // Wait until reference block is ready. Pad 7 more pixels as last 7
-    // pixels of each superblock row can be changed by next superblock row.
-    if (cm->frame_parallel_decode)
-      vp10_frameworker_wait(pbi->frame_worker_owner, ref_frame_buf,
-                            VPXMAX(0, (y1 + 7)) << (plane == 0 ? 0 : 1));
-
-    // Skip border extension if block is inside the frame.
-    if (x0 < 0 || x0 > frame_width - 1 || x1 < 0 || x1 > frame_width - 1 ||
-        y0 < 0 || y0 > frame_height - 1 || y1 < 0 || y1 > frame_height - 1) {
-      // Extend the border.
-      const uint8_t *const buf_ptr1 = ref_frame + y0 * buf_stride + x0;
-      const int b_w = x1 - x0 + 1;
-      const int b_h = y1 - y0 + 1;
-      const int border_offset = y_pad * 3 * b_w + x_pad * 3;
-
-      extend_and_predict(buf_ptr1, buf_stride, x0, y0, b_w, b_h,
-                         frame_width, frame_height, border_offset,
-                         dst, dst_buf->stride,
-                         subpel_x, subpel_y,
-                         kernel, sf,
-#if CONFIG_VP9_HIGHBITDEPTH
-                         xd,
-#endif
-                         w, h, ref, xs, ys);
-      return;
-    }
-  } else {
-    // Wait until reference block is ready. Pad 7 more pixels as last 7
-    // pixels of each superblock row can be changed by next superblock row.
-     if (cm->frame_parallel_decode) {
-       const int y1 = (y0_16 + (h - 1) * ys) >> SUBPEL_BITS;
-       vp10_frameworker_wait(pbi->frame_worker_owner, ref_frame_buf,
-                             VPXMAX(0, (y1 + 7)) << (plane == 0 ? 0 : 1));
-     }
-  }
-#if CONFIG_VP9_HIGHBITDEPTH
-  if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
-    high_inter_predictor(buf_ptr, buf_stride, dst, dst_buf->stride, subpel_x,
-                         subpel_y, sf, w, h, ref, kernel, xs, ys, xd->bd);
-  } else {
-    inter_predictor(buf_ptr, buf_stride, dst, dst_buf->stride, subpel_x,
-                    subpel_y, sf, w, h, ref, kernel, xs, ys);
-  }
-#else
-  inter_predictor(buf_ptr, buf_stride, dst, dst_buf->stride, subpel_x,
-                  subpel_y, sf, w, h, ref, kernel, xs, ys);
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-}
-
-static void dec_build_inter_predictors_sb(VP10Decoder *const pbi,
-                                          MACROBLOCKD *xd,
-                                          int mi_row, int mi_col) {
-  int plane;
-  const int mi_x = mi_col * MI_SIZE;
-  const int mi_y = mi_row * MI_SIZE;
-  const MODE_INFO *mi = xd->mi[0];
-  const InterpKernel *kernel = vp10_filter_kernels[mi->mbmi.interp_filter];
-  const BLOCK_SIZE sb_type = mi->mbmi.sb_type;
-  const int is_compound = has_second_ref(&mi->mbmi);
-
-  for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
-    struct macroblockd_plane *const pd = &xd->plane[plane];
-    struct buf_2d *const dst_buf = &pd->dst;
-    const int num_4x4_w = pd->n4_w;
-    const int num_4x4_h = pd->n4_h;
-
-    const int n4w_x4 = 4 * num_4x4_w;
-    const int n4h_x4 = 4 * num_4x4_h;
-    int ref;
-
-    for (ref = 0; ref < 1 + is_compound; ++ref) {
-      const struct scale_factors *const sf = &xd->block_refs[ref]->sf;
-      struct buf_2d *const pre_buf = &pd->pre[ref];
-      const int idx = xd->block_refs[ref]->idx;
-      BufferPool *const pool = pbi->common.buffer_pool;
-      RefCntBuffer *const ref_frame_buf = &pool->frame_bufs[idx];
-      const int is_scaled = vp10_is_scaled(sf);
-
-      if (sb_type < BLOCK_8X8) {
-        const PARTITION_TYPE bp = BLOCK_8X8 - sb_type;
-        const int have_vsplit = bp != PARTITION_HORZ;
-        const int have_hsplit = bp != PARTITION_VERT;
-        const int num_4x4_w = 2 >> ((!have_vsplit) | pd->subsampling_x);
-        const int num_4x4_h = 2 >> ((!have_hsplit) | pd->subsampling_y);
-        const int pw = 8 >> (have_vsplit | pd->subsampling_x);
-        const int ph = 8 >> (have_hsplit | pd->subsampling_y);
-        int x, y;
-        for (y = 0; y < num_4x4_h; ++y) {
-          for (x = 0; x < num_4x4_w; ++x) {
-            const MV mv = average_split_mvs(pd, mi, ref, y * 2 + x);
-            dec_build_inter_predictors(pbi, xd, plane, n4w_x4, n4h_x4,
-                                       4 * x, 4 * y, pw, ph, mi_x, mi_y, kernel,
-                                       sf, pre_buf, dst_buf, &mv,
-                                       ref_frame_buf, is_scaled, ref);
-          }
-        }
-      } else {
-        const MV mv = mi->mbmi.mv[ref].as_mv;
-        dec_build_inter_predictors(pbi, xd, plane, n4w_x4, n4h_x4,
-                                   0, 0, n4w_x4, n4h_x4, mi_x, mi_y, kernel,
-                                   sf, pre_buf, dst_buf, &mv, ref_frame_buf,
-                                   is_scaled, ref);
-      }
-    }
-  }
-}
-
-static INLINE TX_SIZE dec_get_uv_tx_size(const MB_MODE_INFO *mbmi,
-                                         int n4_wl, int n4_hl) {
-  // get minimum log2 num4x4s dimension
-  const int x = VPXMIN(n4_wl, n4_hl);
-  return VPXMIN(mbmi->tx_size,  x);
-}
-
-static INLINE void dec_reset_skip_context(MACROBLOCKD *xd) {
-  int i;
-  for (i = 0; i < MAX_MB_PLANE; i++) {
-    struct macroblockd_plane *const pd = &xd->plane[i];
-    memset(pd->above_context, 0, sizeof(ENTROPY_CONTEXT) * pd->n4_w);
-    memset(pd->left_context, 0, sizeof(ENTROPY_CONTEXT) * pd->n4_h);
-  }
-}
-
-static void set_plane_n4(MACROBLOCKD *const xd, int bw, int bh, int bwl,
-                         int bhl) {
-  int i;
-  for (i = 0; i < MAX_MB_PLANE; i++) {
-    xd->plane[i].n4_w = (bw << 1) >> xd->plane[i].subsampling_x;
-    xd->plane[i].n4_h = (bh << 1) >> xd->plane[i].subsampling_y;
-    xd->plane[i].n4_wl = bwl - xd->plane[i].subsampling_x;
-    xd->plane[i].n4_hl = bhl - xd->plane[i].subsampling_y;
-  }
-}
-
-static MB_MODE_INFO *set_offsets(VP10_COMMON *const cm, MACROBLOCKD *const xd,
-                                 BLOCK_SIZE bsize, int mi_row, int mi_col,
-                                 int bw, int bh, int x_mis, int y_mis,
-                                 int bwl, int bhl) {
-  const int offset = mi_row * cm->mi_stride + mi_col;
-  int x, y;
-  const TileInfo *const tile = &xd->tile;
-
-  xd->mi = cm->mi_grid_visible + offset;
-  xd->mi[0] = &cm->mi[offset];
-  // TODO(slavarnway): Generate sb_type based on bwl and bhl, instead of
-  // passing bsize from decode_partition().
-  xd->mi[0]->mbmi.sb_type = bsize;
-  for (y = 0; y < y_mis; ++y)
-    for (x = !y; x < x_mis; ++x) {
-      xd->mi[y * cm->mi_stride + x] = xd->mi[0];
-    }
-
-  set_plane_n4(xd, bw, bh, bwl, bhl);
-
-  set_skip_context(xd, mi_row, mi_col);
-
-  // Distance of Mb to the various image edges. These are specified to 8th pel
-  // as they are always compared to values that are in 1/8th pel units
-  set_mi_row_col(xd, tile, mi_row, bh, mi_col, bw, cm->mi_rows, cm->mi_cols);
-
-  vp10_setup_dst_planes(xd->plane, get_frame_new_buffer(cm), mi_row, mi_col);
-  return &xd->mi[0]->mbmi;
-}
-
-static void decode_block(VP10Decoder *const pbi, MACROBLOCKD *const xd,
-                         int mi_row, int mi_col,
-                         vpx_reader *r, BLOCK_SIZE bsize,
-                         int bwl, int bhl) {
-  VP10_COMMON *const cm = &pbi->common;
-  const int less8x8 = bsize < BLOCK_8X8;
-  const int bw = 1 << (bwl - 1);
-  const int bh = 1 << (bhl - 1);
-  const int x_mis = VPXMIN(bw, cm->mi_cols - mi_col);
-  const int y_mis = VPXMIN(bh, cm->mi_rows - mi_row);
-
-  MB_MODE_INFO *mbmi = set_offsets(cm, xd, bsize, mi_row, mi_col,
-                                   bw, bh, x_mis, y_mis, bwl, bhl);
-
-  if (bsize >= BLOCK_8X8 && (cm->subsampling_x || cm->subsampling_y)) {
-    const BLOCK_SIZE uv_subsize =
-        ss_size_lookup[bsize][cm->subsampling_x][cm->subsampling_y];
-    if (uv_subsize == BLOCK_INVALID)
-      vpx_internal_error(xd->error_info,
-                         VPX_CODEC_CORRUPT_FRAME, "Invalid block size.");
-  }
-
-  vp10_read_mode_info(pbi, xd, mi_row, mi_col, r, x_mis, y_mis);
-
-  if (mbmi->skip) {
-    dec_reset_skip_context(xd);
-  }
-
-  if (!is_inter_block(mbmi)) {
-    int plane;
-    for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
-      const struct macroblockd_plane *const pd = &xd->plane[plane];
-      const TX_SIZE tx_size =
-          plane ? dec_get_uv_tx_size(mbmi, pd->n4_wl, pd->n4_hl)
-                  : mbmi->tx_size;
-      const int num_4x4_w = pd->n4_w;
-      const int num_4x4_h = pd->n4_h;
-      const int step = (1 << tx_size);
-      int row, col;
-      const int max_blocks_wide = num_4x4_w + (xd->mb_to_right_edge >= 0 ?
-          0 : xd->mb_to_right_edge >> (5 + pd->subsampling_x));
-      const int max_blocks_high = num_4x4_h + (xd->mb_to_bottom_edge >= 0 ?
-          0 : xd->mb_to_bottom_edge >> (5 + pd->subsampling_y));
-
-      if (plane <= 1 && mbmi->palette_mode_info.palette_size[plane])
-          vp10_decode_palette_tokens(xd, plane, r);
-
-      for (row = 0; row < max_blocks_high; row += step)
-        for (col = 0; col < max_blocks_wide; col += step)
-          predict_and_reconstruct_intra_block(xd, r, mbmi, plane,
-                                              row, col, tx_size);
-    }
-  } else {
-    // Prediction
-    dec_build_inter_predictors_sb(pbi, xd, mi_row, mi_col);
-
-    // Reconstruction
-    if (!mbmi->skip) {
-      int eobtotal = 0;
-      int plane;
-
-      for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
-        const struct macroblockd_plane *const pd = &xd->plane[plane];
-        const TX_SIZE tx_size =
-            plane ? dec_get_uv_tx_size(mbmi, pd->n4_wl, pd->n4_hl)
-                    : mbmi->tx_size;
-        const int num_4x4_w = pd->n4_w;
-        const int num_4x4_h = pd->n4_h;
-        const int step = (1 << tx_size);
-        int row, col;
-        const int max_blocks_wide = num_4x4_w + (xd->mb_to_right_edge >= 0 ?
-            0 : xd->mb_to_right_edge >> (5 + pd->subsampling_x));
-        const int max_blocks_high = num_4x4_h + (xd->mb_to_bottom_edge >= 0 ?
-            0 : xd->mb_to_bottom_edge >> (5 + pd->subsampling_y));
-
-        for (row = 0; row < max_blocks_high; row += step)
-          for (col = 0; col < max_blocks_wide; col += step)
-            eobtotal += reconstruct_inter_block(xd, r, mbmi, plane, row, col,
-                                                tx_size);
-      }
-
-      if (!less8x8 && eobtotal == 0)
-#if CONFIG_MISC_FIXES
-        mbmi->has_no_coeffs = 1;  // skip loopfilter
-#else
-        mbmi->skip = 1;  // skip loopfilter
-#endif
-    }
-  }
-
-  xd->corrupted |= vpx_reader_has_error(r);
-}
-
-static INLINE int dec_partition_plane_context(const MACROBLOCKD *xd,
-                                              int mi_row, int mi_col,
-                                              int bsl) {
-  const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col;
-  const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
-  int above = (*above_ctx >> bsl) & 1 , left = (*left_ctx >> bsl) & 1;
-
-//  assert(bsl >= 0);
-
-  return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
-}
-
-static INLINE void dec_update_partition_context(MACROBLOCKD *xd,
-                                                int mi_row, int mi_col,
-                                                BLOCK_SIZE subsize,
-                                                int bw) {
-  PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col;
-  PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
-
-  // update the partition context at the end notes. set partition bits
-  // of block sizes larger than the current one to be one, and partition
-  // bits of smaller block sizes to be zero.
-  memset(above_ctx, partition_context_lookup[subsize].above, bw);
-  memset(left_ctx, partition_context_lookup[subsize].left, bw);
-}
-
-static PARTITION_TYPE read_partition(VP10_COMMON *cm, MACROBLOCKD *xd,
-                                     int mi_row, int mi_col, vpx_reader *r,
-                                     int has_rows, int has_cols, int bsl) {
-  const int ctx = dec_partition_plane_context(xd, mi_row, mi_col, bsl);
-  const vpx_prob *const probs = cm->fc->partition_prob[ctx];
-  FRAME_COUNTS *counts = xd->counts;
-  PARTITION_TYPE p;
-
-  if (has_rows && has_cols)
-    p = (PARTITION_TYPE)vpx_read_tree(r, vp10_partition_tree, probs);
-  else if (!has_rows && has_cols)
-    p = vpx_read(r, probs[1]) ? PARTITION_SPLIT : PARTITION_HORZ;
-  else if (has_rows && !has_cols)
-    p = vpx_read(r, probs[2]) ? PARTITION_SPLIT : PARTITION_VERT;
-  else
-    p = PARTITION_SPLIT;
-
-  if (counts)
-    ++counts->partition[ctx][p];
-
-  return p;
-}
-
-// TODO(slavarnway): eliminate bsize and subsize in future commits
-static void decode_partition(VP10Decoder *const pbi, MACROBLOCKD *const xd,
-                             int mi_row, int mi_col,
-                             vpx_reader* r, BLOCK_SIZE bsize, int n4x4_l2) {
-  VP10_COMMON *const cm = &pbi->common;
-  const int n8x8_l2 = n4x4_l2 - 1;
-  const int num_8x8_wh = 1 << n8x8_l2;
-  const int hbs = num_8x8_wh >> 1;
-  PARTITION_TYPE partition;
-  BLOCK_SIZE subsize;
-  const int has_rows = (mi_row + hbs) < cm->mi_rows;
-  const int has_cols = (mi_col + hbs) < cm->mi_cols;
-
-  if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols)
-    return;
-
-  partition = read_partition(cm, xd, mi_row, mi_col, r, has_rows, has_cols,
-                             n8x8_l2);
-  subsize = subsize_lookup[partition][bsize];  // get_subsize(bsize, partition);
-  if (!hbs) {
-    // calculate bmode block dimensions (log 2)
-    xd->bmode_blocks_wl = 1 >> !!(partition & PARTITION_VERT);
-    xd->bmode_blocks_hl = 1 >> !!(partition & PARTITION_HORZ);
-    decode_block(pbi, xd, mi_row, mi_col, r, subsize, 1, 1);
-  } else {
-    switch (partition) {
-      case PARTITION_NONE:
-        decode_block(pbi, xd, mi_row, mi_col, r, subsize, n4x4_l2, n4x4_l2);
-        break;
-      case PARTITION_HORZ:
-        decode_block(pbi, xd, mi_row, mi_col, r, subsize, n4x4_l2, n8x8_l2);
-        if (has_rows)
-          decode_block(pbi, xd, mi_row + hbs, mi_col, r, subsize, n4x4_l2,
-                       n8x8_l2);
-        break;
-      case PARTITION_VERT:
-        decode_block(pbi, xd, mi_row, mi_col, r, subsize, n8x8_l2, n4x4_l2);
-        if (has_cols)
-          decode_block(pbi, xd, mi_row, mi_col + hbs, r, subsize, n8x8_l2,
-                       n4x4_l2);
-        break;
-      case PARTITION_SPLIT:
-        decode_partition(pbi, xd, mi_row, mi_col, r, subsize, n8x8_l2);
-        decode_partition(pbi, xd, mi_row, mi_col + hbs, r, subsize, n8x8_l2);
-        decode_partition(pbi, xd, mi_row + hbs, mi_col, r, subsize, n8x8_l2);
-        decode_partition(pbi, xd, mi_row + hbs, mi_col + hbs, r, subsize,
-                         n8x8_l2);
-        break;
-      default:
-        assert(0 && "Invalid partition type");
-    }
-  }
-
-  // update partition context
-  if (bsize >= BLOCK_8X8 &&
-      (bsize == BLOCK_8X8 || partition != PARTITION_SPLIT))
-    dec_update_partition_context(xd, mi_row, mi_col, subsize, num_8x8_wh);
-}
-
-static void setup_token_decoder(const uint8_t *data,
-                                const uint8_t *data_end,
-                                size_t read_size,
-                                struct vpx_internal_error_info *error_info,
-                                vpx_reader *r,
-                                vpx_decrypt_cb decrypt_cb,
-                                void *decrypt_state) {
-  // Validate the calculated partition length. If the buffer
-  // described by the partition can't be fully read, then restrict
-  // it to the portion that can be (for EC mode) or throw an error.
-  if (!read_is_valid(data, read_size, data_end))
-    vpx_internal_error(error_info, VPX_CODEC_CORRUPT_FRAME,
-                       "Truncated packet or corrupt tile length");
-
-  if (vpx_reader_init(r, data, read_size, decrypt_cb, decrypt_state))
-    vpx_internal_error(error_info, VPX_CODEC_MEM_ERROR,
-                       "Failed to allocate bool decoder %d", 1);
-}
-
-static void read_coef_probs_common(vp10_coeff_probs_model *coef_probs,
-                                   vpx_reader *r) {
-  int i, j, k, l, m;
-
-  if (vpx_read_bit(r))
-    for (i = 0; i < PLANE_TYPES; ++i)
-      for (j = 0; j < REF_TYPES; ++j)
-        for (k = 0; k < COEF_BANDS; ++k)
-          for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l)
-            for (m = 0; m < UNCONSTRAINED_NODES; ++m)
-              vp10_diff_update_prob(r, &coef_probs[i][j][k][l][m]);
-}
-
-static void read_coef_probs(FRAME_CONTEXT *fc, TX_MODE tx_mode,
-                            vpx_reader *r) {
-    const TX_SIZE max_tx_size = tx_mode_to_biggest_tx_size[tx_mode];
-    TX_SIZE tx_size;
-    for (tx_size = TX_4X4; tx_size <= max_tx_size; ++tx_size)
-      read_coef_probs_common(fc->coef_probs[tx_size], r);
-}
-
-static void setup_segmentation(VP10_COMMON *const cm,
-                               struct vpx_read_bit_buffer *rb) {
-  struct segmentation *const seg = &cm->seg;
-#if !CONFIG_MISC_FIXES
-  struct segmentation_probs *const segp = &cm->segp;
-#endif
-  int i, j;
-
-  seg->update_map = 0;
-  seg->update_data = 0;
-
-  seg->enabled = vpx_rb_read_bit(rb);
-  if (!seg->enabled)
-    return;
-
-  // Segmentation map update
-  if (frame_is_intra_only(cm) || cm->error_resilient_mode) {
-    seg->update_map = 1;
-  } else {
-    seg->update_map = vpx_rb_read_bit(rb);
-  }
-  if (seg->update_map) {
-#if !CONFIG_MISC_FIXES
-    for (i = 0; i < SEG_TREE_PROBS; i++)
-      segp->tree_probs[i] = vpx_rb_read_bit(rb) ? vpx_rb_read_literal(rb, 8)
-                                                : MAX_PROB;
-#endif
-    if (frame_is_intra_only(cm) || cm->error_resilient_mode) {
-      seg->temporal_update = 0;
-    } else {
-      seg->temporal_update = vpx_rb_read_bit(rb);
-    }
-#if !CONFIG_MISC_FIXES
-    if (seg->temporal_update) {
-      for (i = 0; i < PREDICTION_PROBS; i++)
-        segp->pred_probs[i] = vpx_rb_read_bit(rb) ? vpx_rb_read_literal(rb, 8)
-                                                  : MAX_PROB;
-    } else {
-      for (i = 0; i < PREDICTION_PROBS; i++)
-        segp->pred_probs[i] = MAX_PROB;
-    }
-#endif
-  }
-
-  // Segmentation data update
-  seg->update_data = vpx_rb_read_bit(rb);
-  if (seg->update_data) {
-    seg->abs_delta = vpx_rb_read_bit(rb);
-
-    vp10_clearall_segfeatures(seg);
-
-    for (i = 0; i < MAX_SEGMENTS; i++) {
-      for (j = 0; j < SEG_LVL_MAX; j++) {
-        int data = 0;
-        const int feature_enabled = vpx_rb_read_bit(rb);
-        if (feature_enabled) {
-          vp10_enable_segfeature(seg, i, j);
-          data = decode_unsigned_max(rb, vp10_seg_feature_data_max(j));
-          if (vp10_is_segfeature_signed(j))
-            data = vpx_rb_read_bit(rb) ? -data : data;
-        }
-        vp10_set_segdata(seg, i, j, data);
-      }
-    }
-  }
-}
-
-static void setup_loopfilter(struct loopfilter *lf,
-                             struct vpx_read_bit_buffer *rb) {
-  lf->filter_level = vpx_rb_read_literal(rb, 6);
-  lf->sharpness_level = vpx_rb_read_literal(rb, 3);
-
-  // Read in loop filter deltas applied at the MB level based on mode or ref
-  // frame.
-  lf->mode_ref_delta_update = 0;
-
-  lf->mode_ref_delta_enabled = vpx_rb_read_bit(rb);
-  if (lf->mode_ref_delta_enabled) {
-    lf->mode_ref_delta_update = vpx_rb_read_bit(rb);
-    if (lf->mode_ref_delta_update) {
-      int i;
-
-      for (i = 0; i < MAX_REF_FRAMES; i++)
-        if (vpx_rb_read_bit(rb))
-          lf->ref_deltas[i] = vpx_rb_read_inv_signed_literal(rb, 6);
-
-      for (i = 0; i < MAX_MODE_LF_DELTAS; i++)
-        if (vpx_rb_read_bit(rb))
-          lf->mode_deltas[i] = vpx_rb_read_inv_signed_literal(rb, 6);
-    }
-  }
-}
-
-static INLINE int read_delta_q(struct vpx_read_bit_buffer *rb) {
-  return vpx_rb_read_bit(rb) ?
-      vpx_rb_read_inv_signed_literal(rb, CONFIG_MISC_FIXES ? 6 : 4) : 0;
-}
-
-static void setup_quantization(VP10_COMMON *const cm, MACROBLOCKD *const xd,
-                               struct vpx_read_bit_buffer *rb) {
-  int i;
-
-  cm->base_qindex = vpx_rb_read_literal(rb, QINDEX_BITS);
-  cm->y_dc_delta_q = read_delta_q(rb);
-  cm->uv_dc_delta_q = read_delta_q(rb);
-  cm->uv_ac_delta_q = read_delta_q(rb);
-  cm->dequant_bit_depth = cm->bit_depth;
-  for (i = 0; i < (cm->seg.enabled ? MAX_SEGMENTS : 1); ++i) {
-#if CONFIG_MISC_FIXES
-    const int qindex = vp10_get_qindex(&cm->seg, i, cm->base_qindex);
-#endif
-    xd->lossless[i] = cm->y_dc_delta_q == 0 &&
-#if CONFIG_MISC_FIXES
-                      qindex == 0 &&
-#else
-                      cm->base_qindex == 0 &&
-#endif
-                      cm->uv_dc_delta_q == 0 &&
-                      cm->uv_ac_delta_q == 0;
-  }
-
-#if CONFIG_VP9_HIGHBITDEPTH
-  xd->bd = (int)cm->bit_depth;
-#endif
-}
-
-static void setup_segmentation_dequant(VP10_COMMON *const cm) {
-  // Build y/uv dequant values based on segmentation.
-  if (cm->seg.enabled) {
-    int i;
-    for (i = 0; i < MAX_SEGMENTS; ++i) {
-      const int qindex = vp10_get_qindex(&cm->seg, i, cm->base_qindex);
-      cm->y_dequant[i][0] = vp10_dc_quant(qindex, cm->y_dc_delta_q,
-                                         cm->bit_depth);
-      cm->y_dequant[i][1] = vp10_ac_quant(qindex, 0, cm->bit_depth);
-      cm->uv_dequant[i][0] = vp10_dc_quant(qindex, cm->uv_dc_delta_q,
-                                          cm->bit_depth);
-      cm->uv_dequant[i][1] = vp10_ac_quant(qindex, cm->uv_ac_delta_q,
-                                          cm->bit_depth);
-    }
-  } else {
-    const int qindex = cm->base_qindex;
-    // When segmentation is disabled, only the first value is used.  The
-    // remaining are don't cares.
-    cm->y_dequant[0][0] = vp10_dc_quant(qindex, cm->y_dc_delta_q, cm->bit_depth);
-    cm->y_dequant[0][1] = vp10_ac_quant(qindex, 0, cm->bit_depth);
-    cm->uv_dequant[0][0] = vp10_dc_quant(qindex, cm->uv_dc_delta_q,
-                                        cm->bit_depth);
-    cm->uv_dequant[0][1] = vp10_ac_quant(qindex, cm->uv_ac_delta_q,
-                                        cm->bit_depth);
-  }
-}
-
-static INTERP_FILTER read_interp_filter(struct vpx_read_bit_buffer *rb) {
-  return vpx_rb_read_bit(rb) ? SWITCHABLE : vpx_rb_read_literal(rb, 2);
-}
-
-static void setup_render_size(VP10_COMMON *cm,
-                              struct vpx_read_bit_buffer *rb) {
-  cm->render_width = cm->width;
-  cm->render_height = cm->height;
-  if (vpx_rb_read_bit(rb))
-    vp10_read_frame_size(rb, &cm->render_width, &cm->render_height);
-}
-
-static void resize_mv_buffer(VP10_COMMON *cm) {
-  vpx_free(cm->cur_frame->mvs);
-  cm->cur_frame->mi_rows = cm->mi_rows;
-  cm->cur_frame->mi_cols = cm->mi_cols;
-  cm->cur_frame->mvs = (MV_REF *)vpx_calloc(cm->mi_rows * cm->mi_cols,
-                                            sizeof(*cm->cur_frame->mvs));
-}
-
-static void resize_context_buffers(VP10_COMMON *cm, int width, int height) {
-#if CONFIG_SIZE_LIMIT
-  if (width > DECODE_WIDTH_LIMIT || height > DECODE_HEIGHT_LIMIT)
-    vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                       "Dimensions of %dx%d beyond allowed size of %dx%d.",
-                       width, height, DECODE_WIDTH_LIMIT, DECODE_HEIGHT_LIMIT);
-#endif
-  if (cm->width != width || cm->height != height) {
-    const int new_mi_rows =
-        ALIGN_POWER_OF_TWO(height, MI_SIZE_LOG2) >> MI_SIZE_LOG2;
-    const int new_mi_cols =
-        ALIGN_POWER_OF_TWO(width,  MI_SIZE_LOG2) >> MI_SIZE_LOG2;
-
-    // Allocations in vp10_alloc_context_buffers() depend on individual
-    // dimensions as well as the overall size.
-    if (new_mi_cols > cm->mi_cols || new_mi_rows > cm->mi_rows) {
-      if (vp10_alloc_context_buffers(cm, width, height))
-        vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
-                           "Failed to allocate context buffers");
-    } else {
-      vp10_set_mb_mi(cm, width, height);
-    }
-    vp10_init_context_buffers(cm);
-    cm->width = width;
-    cm->height = height;
-  }
-  if (cm->cur_frame->mvs == NULL || cm->mi_rows > cm->cur_frame->mi_rows ||
-      cm->mi_cols > cm->cur_frame->mi_cols) {
-    resize_mv_buffer(cm);
-  }
-}
-
-static void setup_frame_size(VP10_COMMON *cm, struct vpx_read_bit_buffer *rb) {
-  int width, height;
-  BufferPool *const pool = cm->buffer_pool;
-  vp10_read_frame_size(rb, &width, &height);
-  resize_context_buffers(cm, width, height);
-  setup_render_size(cm, rb);
-
-  lock_buffer_pool(pool);
-  if (vpx_realloc_frame_buffer(
-          get_frame_new_buffer(cm), cm->width, cm->height,
-          cm->subsampling_x, cm->subsampling_y,
-#if CONFIG_VP9_HIGHBITDEPTH
-          cm->use_highbitdepth,
-#endif
-          VP9_DEC_BORDER_IN_PIXELS,
-          cm->byte_alignment,
-          &pool->frame_bufs[cm->new_fb_idx].raw_frame_buffer, pool->get_fb_cb,
-          pool->cb_priv)) {
-    unlock_buffer_pool(pool);
-    vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
-                       "Failed to allocate frame buffer");
-  }
-  unlock_buffer_pool(pool);
-
-  pool->frame_bufs[cm->new_fb_idx].buf.subsampling_x = cm->subsampling_x;
-  pool->frame_bufs[cm->new_fb_idx].buf.subsampling_y = cm->subsampling_y;
-  pool->frame_bufs[cm->new_fb_idx].buf.bit_depth = (unsigned int)cm->bit_depth;
-  pool->frame_bufs[cm->new_fb_idx].buf.color_space = cm->color_space;
-  pool->frame_bufs[cm->new_fb_idx].buf.color_range = cm->color_range;
-  pool->frame_bufs[cm->new_fb_idx].buf.render_width  = cm->render_width;
-  pool->frame_bufs[cm->new_fb_idx].buf.render_height = cm->render_height;
-}
-
-static INLINE int valid_ref_frame_img_fmt(vpx_bit_depth_t ref_bit_depth,
-                                          int ref_xss, int ref_yss,
-                                          vpx_bit_depth_t this_bit_depth,
-                                          int this_xss, int this_yss) {
-  return ref_bit_depth == this_bit_depth && ref_xss == this_xss &&
-         ref_yss == this_yss;
-}
-
-static void setup_frame_size_with_refs(VP10_COMMON *cm,
-                                       struct vpx_read_bit_buffer *rb) {
-  int width, height;
-  int found = 0, i;
-  int has_valid_ref_frame = 0;
-  BufferPool *const pool = cm->buffer_pool;
-  for (i = 0; i < REFS_PER_FRAME; ++i) {
-    if (vpx_rb_read_bit(rb)) {
-      YV12_BUFFER_CONFIG *const buf = cm->frame_refs[i].buf;
-      width = buf->y_crop_width;
-      height = buf->y_crop_height;
-#if CONFIG_MISC_FIXES
-      cm->render_width = buf->render_width;
-      cm->render_height = buf->render_height;
-#endif
-      found = 1;
-      break;
-    }
-  }
-
-  if (!found) {
-    vp10_read_frame_size(rb, &width, &height);
-#if CONFIG_MISC_FIXES
-    setup_render_size(cm, rb);
-#endif
-  }
-
-  if (width <= 0 || height <= 0)
-    vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                       "Invalid frame size");
-
-  // Check to make sure at least one of frames that this frame references
-  // has valid dimensions.
-  for (i = 0; i < REFS_PER_FRAME; ++i) {
-    RefBuffer *const ref_frame = &cm->frame_refs[i];
-    has_valid_ref_frame |= valid_ref_frame_size(ref_frame->buf->y_crop_width,
-                                                ref_frame->buf->y_crop_height,
-                                                width, height);
-  }
-  if (!has_valid_ref_frame)
-    vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                       "Referenced frame has invalid size");
-  for (i = 0; i < REFS_PER_FRAME; ++i) {
-    RefBuffer *const ref_frame = &cm->frame_refs[i];
-    if (!valid_ref_frame_img_fmt(
-            ref_frame->buf->bit_depth,
-            ref_frame->buf->subsampling_x,
-            ref_frame->buf->subsampling_y,
-            cm->bit_depth,
-            cm->subsampling_x,
-            cm->subsampling_y))
-      vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                         "Referenced frame has incompatible color format");
-  }
-
-  resize_context_buffers(cm, width, height);
-#if !CONFIG_MISC_FIXES
-  setup_render_size(cm, rb);
-#endif
-
-  lock_buffer_pool(pool);
-  if (vpx_realloc_frame_buffer(
-          get_frame_new_buffer(cm), cm->width, cm->height,
-          cm->subsampling_x, cm->subsampling_y,
-#if CONFIG_VP9_HIGHBITDEPTH
-          cm->use_highbitdepth,
-#endif
-          VP9_DEC_BORDER_IN_PIXELS,
-          cm->byte_alignment,
-          &pool->frame_bufs[cm->new_fb_idx].raw_frame_buffer, pool->get_fb_cb,
-          pool->cb_priv)) {
-    unlock_buffer_pool(pool);
-    vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
-                       "Failed to allocate frame buffer");
-  }
-  unlock_buffer_pool(pool);
-
-  pool->frame_bufs[cm->new_fb_idx].buf.subsampling_x = cm->subsampling_x;
-  pool->frame_bufs[cm->new_fb_idx].buf.subsampling_y = cm->subsampling_y;
-  pool->frame_bufs[cm->new_fb_idx].buf.bit_depth = (unsigned int)cm->bit_depth;
-  pool->frame_bufs[cm->new_fb_idx].buf.color_space = cm->color_space;
-  pool->frame_bufs[cm->new_fb_idx].buf.color_range = cm->color_range;
-  pool->frame_bufs[cm->new_fb_idx].buf.render_width  = cm->render_width;
-  pool->frame_bufs[cm->new_fb_idx].buf.render_height = cm->render_height;
-}
-
-static void setup_tile_info(VP10_COMMON *cm, struct vpx_read_bit_buffer *rb) {
-  int min_log2_tile_cols, max_log2_tile_cols, max_ones;
-  vp10_get_tile_n_bits(cm->mi_cols, &min_log2_tile_cols, &max_log2_tile_cols);
-
-  // columns
-  max_ones = max_log2_tile_cols - min_log2_tile_cols;
-  cm->log2_tile_cols = min_log2_tile_cols;
-  while (max_ones-- && vpx_rb_read_bit(rb))
-    cm->log2_tile_cols++;
-
-  if (cm->log2_tile_cols > 6)
-    vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                       "Invalid number of tile columns");
-
-  // rows
-  cm->log2_tile_rows = vpx_rb_read_bit(rb);
-  if (cm->log2_tile_rows)
-    cm->log2_tile_rows += vpx_rb_read_bit(rb);
-
-#if CONFIG_MISC_FIXES
-  // tile size magnitude
-  if (cm->log2_tile_rows > 0 || cm->log2_tile_cols > 0) {
-    cm->tile_sz_mag = vpx_rb_read_literal(rb, 2);
-  }
-#else
-  cm->tile_sz_mag = 3;
-#endif
-}
-
-typedef struct TileBuffer {
-  const uint8_t *data;
-  size_t size;
-  int col;  // only used with multi-threaded decoding
-} TileBuffer;
-
-static int mem_get_varsize(const uint8_t *data, const int mag) {
-  switch (mag) {
-    case 0:
-      return data[0];
-    case 1:
-      return mem_get_le16(data);
-    case 2:
-      return mem_get_le24(data);
-    case 3:
-      return mem_get_le32(data);
-  }
-
-  assert("Invalid tile size marker value" && 0);
-
-  return -1;
-}
-
-// Reads the next tile returning its size and adjusting '*data' accordingly
-// based on 'is_last'.
-static void get_tile_buffer(const uint8_t *const data_end,
-                            const int tile_sz_mag, int is_last,
-                            struct vpx_internal_error_info *error_info,
-                            const uint8_t **data,
-                            vpx_decrypt_cb decrypt_cb, void *decrypt_state,
-                            TileBuffer *buf) {
-  size_t size;
-
-  if (!is_last) {
-    if (!read_is_valid(*data, 4, data_end))
-      vpx_internal_error(error_info, VPX_CODEC_CORRUPT_FRAME,
-                         "Truncated packet or corrupt tile length");
-
-    if (decrypt_cb) {
-      uint8_t be_data[4];
-      decrypt_cb(decrypt_state, *data, be_data, tile_sz_mag + 1);
-      size = mem_get_varsize(be_data, tile_sz_mag) + CONFIG_MISC_FIXES;
-    } else {
-      size = mem_get_varsize(*data, tile_sz_mag) + CONFIG_MISC_FIXES;
-    }
-    *data += tile_sz_mag + 1;
-
-    if (size > (size_t)(data_end - *data))
-      vpx_internal_error(error_info, VPX_CODEC_CORRUPT_FRAME,
-                         "Truncated packet or corrupt tile size");
-  } else {
-    size = data_end - *data;
-  }
-
-  buf->data = *data;
-  buf->size = size;
-
-  *data += size;
-}
-
-static void get_tile_buffers(VP10Decoder *pbi,
-                             const uint8_t *data, const uint8_t *data_end,
-                             int tile_cols, int tile_rows,
-                             TileBuffer (*tile_buffers)[1 << 6]) {
-  int r, c;
-
-  for (r = 0; r < tile_rows; ++r) {
-    for (c = 0; c < tile_cols; ++c) {
-      const int is_last = (r == tile_rows - 1) && (c == tile_cols - 1);
-      TileBuffer *const buf = &tile_buffers[r][c];
-      buf->col = c;
-      get_tile_buffer(data_end, pbi->common.tile_sz_mag,
-                      is_last, &pbi->common.error, &data,
-                      pbi->decrypt_cb, pbi->decrypt_state, buf);
-    }
-  }
-}
-
-static const uint8_t *decode_tiles(VP10Decoder *pbi,
-                                   const uint8_t *data,
-                                   const uint8_t *data_end) {
-  VP10_COMMON *const cm = &pbi->common;
-  const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
-  const int aligned_cols = mi_cols_aligned_to_sb(cm->mi_cols);
-  const int tile_cols = 1 << cm->log2_tile_cols;
-  const int tile_rows = 1 << cm->log2_tile_rows;
-  TileBuffer tile_buffers[4][1 << 6];
-  int tile_row, tile_col;
-  int mi_row, mi_col;
-  TileData *tile_data = NULL;
-
-  if (cm->lf.filter_level && !cm->skip_loop_filter &&
-      pbi->lf_worker.data1 == NULL) {
-    CHECK_MEM_ERROR(cm, pbi->lf_worker.data1,
-                    vpx_memalign(32, sizeof(LFWorkerData)));
-    pbi->lf_worker.hook = (VPxWorkerHook)vp10_loop_filter_worker;
-    if (pbi->max_threads > 1 && !winterface->reset(&pbi->lf_worker)) {
-      vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
-                         "Loop filter thread creation failed");
-    }
-  }
-
-  if (cm->lf.filter_level && !cm->skip_loop_filter) {
-    LFWorkerData *const lf_data = (LFWorkerData*)pbi->lf_worker.data1;
-    // Be sure to sync as we might be resuming after a failed frame decode.
-    winterface->sync(&pbi->lf_worker);
-    vp10_loop_filter_data_reset(lf_data, get_frame_new_buffer(cm), cm,
-                               pbi->mb.plane);
-  }
-
-  assert(tile_rows <= 4);
-  assert(tile_cols <= (1 << 6));
-
-  // Note: this memset assumes above_context[0], [1] and [2]
-  // are allocated as part of the same buffer.
-  memset(cm->above_context, 0,
-         sizeof(*cm->above_context) * MAX_MB_PLANE * 2 * aligned_cols);
-
-  memset(cm->above_seg_context, 0,
-         sizeof(*cm->above_seg_context) * aligned_cols);
-
-  get_tile_buffers(pbi, data, data_end, tile_cols, tile_rows, tile_buffers);
-
-  if (pbi->tile_data == NULL ||
-      (tile_cols * tile_rows) != pbi->total_tiles) {
-    vpx_free(pbi->tile_data);
-    CHECK_MEM_ERROR(
-        cm,
-        pbi->tile_data,
-        vpx_memalign(32, tile_cols * tile_rows * (sizeof(*pbi->tile_data))));
-    pbi->total_tiles = tile_rows * tile_cols;
-  }
-
-  // Load all tile information into tile_data.
-  for (tile_row = 0; tile_row < tile_rows; ++tile_row) {
-    for (tile_col = 0; tile_col < tile_cols; ++tile_col) {
-      const TileBuffer *const buf = &tile_buffers[tile_row][tile_col];
-      tile_data = pbi->tile_data + tile_cols * tile_row + tile_col;
-      tile_data->cm = cm;
-      tile_data->xd = pbi->mb;
-      tile_data->xd.corrupted = 0;
-      tile_data->xd.counts =
-          cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD ?
-              &cm->counts : NULL;
-      vp10_zero(tile_data->dqcoeff);
-      vp10_tile_init(&tile_data->xd.tile, tile_data->cm, tile_row, tile_col);
-      setup_token_decoder(buf->data, data_end, buf->size, &cm->error,
-                          &tile_data->bit_reader, pbi->decrypt_cb,
-                          pbi->decrypt_state);
-      vp10_init_macroblockd(cm, &tile_data->xd, tile_data->dqcoeff);
-      tile_data->xd.plane[0].color_index_map = tile_data->color_index_map[0];
-      tile_data->xd.plane[1].color_index_map = tile_data->color_index_map[1];
-    }
-  }
-
-  for (tile_row = 0; tile_row < tile_rows; ++tile_row) {
-    TileInfo tile;
-    vp10_tile_set_row(&tile, cm, tile_row);
-    for (mi_row = tile.mi_row_start; mi_row < tile.mi_row_end;
-         mi_row += MI_BLOCK_SIZE) {
-      for (tile_col = 0; tile_col < tile_cols; ++tile_col) {
-        const int col = pbi->inv_tile_order ?
-                        tile_cols - tile_col - 1 : tile_col;
-        tile_data = pbi->tile_data + tile_cols * tile_row + col;
-        vp10_tile_set_col(&tile, tile_data->cm, col);
-        vp10_zero(tile_data->xd.left_context);
-        vp10_zero(tile_data->xd.left_seg_context);
-        for (mi_col = tile.mi_col_start; mi_col < tile.mi_col_end;
-             mi_col += MI_BLOCK_SIZE) {
-          decode_partition(pbi, &tile_data->xd, mi_row,
-                           mi_col, &tile_data->bit_reader, BLOCK_64X64, 4);
-        }
-        pbi->mb.corrupted |= tile_data->xd.corrupted;
-        if (pbi->mb.corrupted)
-            vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                               "Failed to decode tile data");
-      }
-      // Loopfilter one row.
-      if (cm->lf.filter_level && !cm->skip_loop_filter) {
-        const int lf_start = mi_row - MI_BLOCK_SIZE;
-        LFWorkerData *const lf_data = (LFWorkerData*)pbi->lf_worker.data1;
-
-        // delay the loopfilter by 1 macroblock row.
-        if (lf_start < 0) continue;
-
-        // decoding has completed: finish up the loop filter in this thread.
-        if (mi_row + MI_BLOCK_SIZE >= cm->mi_rows) continue;
-
-        winterface->sync(&pbi->lf_worker);
-        lf_data->start = lf_start;
-        lf_data->stop = mi_row;
-        if (pbi->max_threads > 1) {
-          winterface->launch(&pbi->lf_worker);
-        } else {
-          winterface->execute(&pbi->lf_worker);
-        }
-      }
-      // After loopfiltering, the last 7 row pixels in each superblock row may
-      // still be changed by the longest loopfilter of the next superblock
-      // row.
-      if (cm->frame_parallel_decode)
-        vp10_frameworker_broadcast(pbi->cur_buf,
-                                  mi_row << MI_BLOCK_SIZE_LOG2);
-    }
-  }
-
-  // Loopfilter remaining rows in the frame.
-  if (cm->lf.filter_level && !cm->skip_loop_filter) {
-    LFWorkerData *const lf_data = (LFWorkerData*)pbi->lf_worker.data1;
-    winterface->sync(&pbi->lf_worker);
-    lf_data->start = lf_data->stop;
-    lf_data->stop = cm->mi_rows;
-    winterface->execute(&pbi->lf_worker);
-  }
-
-  // Get last tile data.
-  tile_data = pbi->tile_data + tile_cols * tile_rows - 1;
-
-  if (cm->frame_parallel_decode)
-    vp10_frameworker_broadcast(pbi->cur_buf, INT_MAX);
-  return vpx_reader_find_end(&tile_data->bit_reader);
-}
-
-static int tile_worker_hook(TileWorkerData *const tile_data,
-                            const TileInfo *const tile) {
-  int mi_row, mi_col;
-
-  if (setjmp(tile_data->error_info.jmp)) {
-    tile_data->error_info.setjmp = 0;
-    tile_data->xd.corrupted = 1;
-    return 0;
-  }
-
-  tile_data->error_info.setjmp = 1;
-  tile_data->xd.error_info = &tile_data->error_info;
-
-  for (mi_row = tile->mi_row_start; mi_row < tile->mi_row_end;
-       mi_row += MI_BLOCK_SIZE) {
-    vp10_zero(tile_data->xd.left_context);
-    vp10_zero(tile_data->xd.left_seg_context);
-    for (mi_col = tile->mi_col_start; mi_col < tile->mi_col_end;
-         mi_col += MI_BLOCK_SIZE) {
-      decode_partition(tile_data->pbi, &tile_data->xd,
-                       mi_row, mi_col, &tile_data->bit_reader,
-                       BLOCK_64X64, 4);
-    }
-  }
-  return !tile_data->xd.corrupted;
-}
-
-// sorts in descending order
-static int compare_tile_buffers(const void *a, const void *b) {
-  const TileBuffer *const buf1 = (const TileBuffer*)a;
-  const TileBuffer *const buf2 = (const TileBuffer*)b;
-  return (int)(buf2->size - buf1->size);
-}
-
-static const uint8_t *decode_tiles_mt(VP10Decoder *pbi,
-                                      const uint8_t *data,
-                                      const uint8_t *data_end) {
-  VP10_COMMON *const cm = &pbi->common;
-  const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
-  const uint8_t *bit_reader_end = NULL;
-  const int aligned_mi_cols = mi_cols_aligned_to_sb(cm->mi_cols);
-  const int tile_cols = 1 << cm->log2_tile_cols;
-  const int tile_rows = 1 << cm->log2_tile_rows;
-  const int num_workers = VPXMIN(pbi->max_threads & ~1, tile_cols);
-  TileBuffer tile_buffers[1][1 << 6];
-  int n;
-  int final_worker = -1;
-
-  assert(tile_cols <= (1 << 6));
-  assert(tile_rows == 1);
-  (void)tile_rows;
-
-  // TODO(jzern): See if we can remove the restriction of passing in max
-  // threads to the decoder.
-  if (pbi->num_tile_workers == 0) {
-    const int num_threads = pbi->max_threads & ~1;
-    int i;
-    CHECK_MEM_ERROR(cm, pbi->tile_workers,
-                    vpx_malloc(num_threads * sizeof(*pbi->tile_workers)));
-    // Ensure tile data offsets will be properly aligned. This may fail on
-    // platforms without DECLARE_ALIGNED().
-    assert((sizeof(*pbi->tile_worker_data) % 16) == 0);
-    CHECK_MEM_ERROR(cm, pbi->tile_worker_data,
-                    vpx_memalign(32, num_threads *
-                                 sizeof(*pbi->tile_worker_data)));
-    CHECK_MEM_ERROR(cm, pbi->tile_worker_info,
-                    vpx_malloc(num_threads * sizeof(*pbi->tile_worker_info)));
-    for (i = 0; i < num_threads; ++i) {
-      VPxWorker *const worker = &pbi->tile_workers[i];
-      ++pbi->num_tile_workers;
-
-      winterface->init(worker);
-      if (i < num_threads - 1 && !winterface->reset(worker)) {
-        vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
-                           "Tile decoder thread creation failed");
-      }
-    }
-  }
-
-  // Reset tile decoding hook
-  for (n = 0; n < num_workers; ++n) {
-    VPxWorker *const worker = &pbi->tile_workers[n];
-    winterface->sync(worker);
-    worker->hook = (VPxWorkerHook)tile_worker_hook;
-    worker->data1 = &pbi->tile_worker_data[n];
-    worker->data2 = &pbi->tile_worker_info[n];
-  }
-
-  // Note: this memset assumes above_context[0], [1] and [2]
-  // are allocated as part of the same buffer.
-  memset(cm->above_context, 0,
-         sizeof(*cm->above_context) * MAX_MB_PLANE * 2 * aligned_mi_cols);
-  memset(cm->above_seg_context, 0,
-         sizeof(*cm->above_seg_context) * aligned_mi_cols);
-
-  // Load tile data into tile_buffers
-  get_tile_buffers(pbi, data, data_end, tile_cols, tile_rows, tile_buffers);
-
-  // Sort the buffers based on size in descending order.
-  qsort(tile_buffers[0], tile_cols, sizeof(tile_buffers[0][0]),
-        compare_tile_buffers);
-
-  // Rearrange the tile buffers such that per-tile group the largest, and
-  // presumably the most difficult, tile will be decoded in the main thread.
-  // This should help minimize the number of instances where the main thread is
-  // waiting for a worker to complete.
-  {
-    int group_start = 0;
-    while (group_start < tile_cols) {
-      const TileBuffer largest = tile_buffers[0][group_start];
-      const int group_end = VPXMIN(group_start + num_workers, tile_cols) - 1;
-      memmove(tile_buffers[0] + group_start, tile_buffers[0] + group_start + 1,
-              (group_end - group_start) * sizeof(tile_buffers[0][0]));
-      tile_buffers[0][group_end] = largest;
-      group_start = group_end + 1;
-    }
-  }
-
-  // Initialize thread frame counts.
-  if (cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD) {
-    int i;
-
-    for (i = 0; i < num_workers; ++i) {
-      TileWorkerData *const tile_data =
-          (TileWorkerData*)pbi->tile_workers[i].data1;
-      vp10_zero(tile_data->counts);
-    }
-  }
-
-  n = 0;
-  while (n < tile_cols) {
-    int i;
-    for (i = 0; i < num_workers && n < tile_cols; ++i) {
-      VPxWorker *const worker = &pbi->tile_workers[i];
-      TileWorkerData *const tile_data = (TileWorkerData*)worker->data1;
-      TileInfo *const tile = (TileInfo*)worker->data2;
-      TileBuffer *const buf = &tile_buffers[0][n];
-
-      tile_data->pbi = pbi;
-      tile_data->xd = pbi->mb;
-      tile_data->xd.corrupted = 0;
-      tile_data->xd.counts =
-          cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD ?
-              &tile_data->counts : NULL;
-      vp10_zero(tile_data->dqcoeff);
-      vp10_tile_init(tile, cm, 0, buf->col);
-      vp10_tile_init(&tile_data->xd.tile, cm, 0, buf->col);
-      setup_token_decoder(buf->data, data_end, buf->size, &cm->error,
-                          &tile_data->bit_reader, pbi->decrypt_cb,
-                          pbi->decrypt_state);
-      vp10_init_macroblockd(cm, &tile_data->xd, tile_data->dqcoeff);
-      tile_data->xd.plane[0].color_index_map = tile_data->color_index_map[0];
-      tile_data->xd.plane[1].color_index_map = tile_data->color_index_map[1];
-
-      worker->had_error = 0;
-      if (i == num_workers - 1 || n == tile_cols - 1) {
-        winterface->execute(worker);
-      } else {
-        winterface->launch(worker);
-      }
-
-      if (buf->col == tile_cols - 1) {
-        final_worker = i;
-      }
-
-      ++n;
-    }
-
-    for (; i > 0; --i) {
-      VPxWorker *const worker = &pbi->tile_workers[i - 1];
-      // TODO(jzern): The tile may have specific error data associated with
-      // its vpx_internal_error_info which could be propagated to the main info
-      // in cm. Additionally once the threads have been synced and an error is
-      // detected, there's no point in continuing to decode tiles.
-      pbi->mb.corrupted |= !winterface->sync(worker);
-    }
-    if (final_worker > -1) {
-      TileWorkerData *const tile_data =
-          (TileWorkerData*)pbi->tile_workers[final_worker].data1;
-      bit_reader_end = vpx_reader_find_end(&tile_data->bit_reader);
-      final_worker = -1;
-    }
-
-    // Accumulate thread frame counts.
-    if (n >= tile_cols &&
-        cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD) {
-      for (i = 0; i < num_workers; ++i) {
-        TileWorkerData *const tile_data =
-            (TileWorkerData*)pbi->tile_workers[i].data1;
-        vp10_accumulate_frame_counts(cm, &tile_data->counts, 1);
-      }
-    }
-  }
-
-  return bit_reader_end;
-}
-
-static void error_handler(void *data) {
-  VP10_COMMON *const cm = (VP10_COMMON *)data;
-  vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME, "Truncated packet");
-}
-
-static void read_bitdepth_colorspace_sampling(
-    VP10_COMMON *cm, struct vpx_read_bit_buffer *rb) {
-  if (cm->profile >= PROFILE_2) {
-    cm->bit_depth = vpx_rb_read_bit(rb) ? VPX_BITS_12 : VPX_BITS_10;
-#if CONFIG_VP9_HIGHBITDEPTH
-    cm->use_highbitdepth = 1;
-#endif
-  } else {
-    cm->bit_depth = VPX_BITS_8;
-#if CONFIG_VP9_HIGHBITDEPTH
-    cm->use_highbitdepth = 0;
-#endif
-  }
-  cm->color_space = vpx_rb_read_literal(rb, 3);
-  if (cm->color_space != VPX_CS_SRGB) {
-    // [16,235] (including xvycc) vs [0,255] range
-    cm->color_range = vpx_rb_read_bit(rb);
-    if (cm->profile == PROFILE_1 || cm->profile == PROFILE_3) {
-      cm->subsampling_x = vpx_rb_read_bit(rb);
-      cm->subsampling_y = vpx_rb_read_bit(rb);
-      if (cm->subsampling_x == 1 && cm->subsampling_y == 1)
-        vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
-                           "4:2:0 color not supported in profile 1 or 3");
-      if (vpx_rb_read_bit(rb))
-        vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
-                           "Reserved bit set");
-    } else {
-      cm->subsampling_y = cm->subsampling_x = 1;
-    }
-  } else {
-    if (cm->profile == PROFILE_1 || cm->profile == PROFILE_3) {
-      // Note if colorspace is SRGB then 4:4:4 chroma sampling is assumed.
-      // 4:2:2 or 4:4:0 chroma sampling is not allowed.
-      cm->subsampling_y = cm->subsampling_x = 0;
-      if (vpx_rb_read_bit(rb))
-        vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
-                           "Reserved bit set");
-    } else {
-      vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
-                         "4:4:4 color not supported in profile 0 or 2");
-    }
-  }
-}
-
-static size_t read_uncompressed_header(VP10Decoder *pbi,
-                                       struct vpx_read_bit_buffer *rb) {
-  VP10_COMMON *const cm = &pbi->common;
-#if CONFIG_MISC_FIXES
-  MACROBLOCKD *const xd = &pbi->mb;
-#endif
-  BufferPool *const pool = cm->buffer_pool;
-  RefCntBuffer *const frame_bufs = pool->frame_bufs;
-  int i, mask, ref_index = 0;
-  size_t sz;
-
-  cm->last_frame_type = cm->frame_type;
-  cm->last_intra_only = cm->intra_only;
-
-  if (vpx_rb_read_literal(rb, 2) != VP9_FRAME_MARKER)
-      vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
-                         "Invalid frame marker");
-
-  cm->profile = vp10_read_profile(rb);
-#if CONFIG_VP9_HIGHBITDEPTH
-  if (cm->profile >= MAX_PROFILES)
-    vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
-                       "Unsupported bitstream profile");
-#else
-  if (cm->profile >= PROFILE_2)
-    vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
-                       "Unsupported bitstream profile");
-#endif
-
-  cm->show_existing_frame = vpx_rb_read_bit(rb);
-  if (cm->show_existing_frame) {
-    // Show an existing frame directly.
-    const int frame_to_show = cm->ref_frame_map[vpx_rb_read_literal(rb, 3)];
-    lock_buffer_pool(pool);
-    if (frame_to_show < 0 || frame_bufs[frame_to_show].ref_count < 1) {
-      unlock_buffer_pool(pool);
-      vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
-                         "Buffer %d does not contain a decoded frame",
-                         frame_to_show);
-    }
-
-    ref_cnt_fb(frame_bufs, &cm->new_fb_idx, frame_to_show);
-    unlock_buffer_pool(pool);
-    pbi->refresh_frame_flags = 0;
-    cm->lf.filter_level = 0;
-    cm->show_frame = 1;
-
-    if (cm->frame_parallel_decode) {
-      for (i = 0; i < REF_FRAMES; ++i)
-        cm->next_ref_frame_map[i] = cm->ref_frame_map[i];
-    }
-    return 0;
-  }
-
-  cm->frame_type = (FRAME_TYPE) vpx_rb_read_bit(rb);
-  cm->show_frame = vpx_rb_read_bit(rb);
-  cm->error_resilient_mode = vpx_rb_read_bit(rb);
-
-  if (cm->frame_type == KEY_FRAME) {
-    if (!vp10_read_sync_code(rb))
-      vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
-                         "Invalid frame sync code");
-
-    read_bitdepth_colorspace_sampling(cm, rb);
-    pbi->refresh_frame_flags = (1 << REF_FRAMES) - 1;
-
-    for (i = 0; i < REFS_PER_FRAME; ++i) {
-      cm->frame_refs[i].idx = INVALID_IDX;
-      cm->frame_refs[i].buf = NULL;
-    }
-
-    setup_frame_size(cm, rb);
-    if (pbi->need_resync) {
-      memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map));
-      pbi->need_resync = 0;
-    }
-    if (frame_is_intra_only(cm))
-      cm->allow_screen_content_tools = vpx_rb_read_bit(rb);
-  } else {
-    cm->intra_only = cm->show_frame ? 0 : vpx_rb_read_bit(rb);
-
-    if (cm->error_resilient_mode) {
-        cm->reset_frame_context = RESET_FRAME_CONTEXT_ALL;
-    } else {
-#if CONFIG_MISC_FIXES
-      if (cm->intra_only) {
-          cm->reset_frame_context =
-              vpx_rb_read_bit(rb) ? RESET_FRAME_CONTEXT_ALL
-                                  : RESET_FRAME_CONTEXT_CURRENT;
-      } else {
-          cm->reset_frame_context =
-              vpx_rb_read_bit(rb) ? RESET_FRAME_CONTEXT_CURRENT
-                                  : RESET_FRAME_CONTEXT_NONE;
-          if (cm->reset_frame_context == RESET_FRAME_CONTEXT_CURRENT)
-            cm->reset_frame_context =
-                  vpx_rb_read_bit(rb) ? RESET_FRAME_CONTEXT_ALL
-                                      : RESET_FRAME_CONTEXT_CURRENT;
-      }
-#else
-      static const RESET_FRAME_CONTEXT_MODE reset_frame_context_conv_tbl[4] = {
-        RESET_FRAME_CONTEXT_NONE, RESET_FRAME_CONTEXT_NONE,
-        RESET_FRAME_CONTEXT_CURRENT, RESET_FRAME_CONTEXT_ALL
-      };
-
-      cm->reset_frame_context =
-          reset_frame_context_conv_tbl[vpx_rb_read_literal(rb, 2)];
-#endif
-    }
-
-    if (cm->intra_only) {
-      if (!vp10_read_sync_code(rb))
-        vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
-                           "Invalid frame sync code");
-#if CONFIG_MISC_FIXES
-      read_bitdepth_colorspace_sampling(cm, rb);
-#else
-      if (cm->profile > PROFILE_0) {
-        read_bitdepth_colorspace_sampling(cm, rb);
-      } else {
-        // NOTE: The intra-only frame header does not include the specification
-        // of either the color format or color sub-sampling in profile 0. VP9
-        // specifies that the default color format should be YUV 4:2:0 in this
-        // case (normative).
-        cm->color_space = VPX_CS_BT_601;
-        cm->color_range = 0;
-        cm->subsampling_y = cm->subsampling_x = 1;
-        cm->bit_depth = VPX_BITS_8;
-#if CONFIG_VP9_HIGHBITDEPTH
-        cm->use_highbitdepth = 0;
-#endif
-      }
-#endif
-
-      pbi->refresh_frame_flags = vpx_rb_read_literal(rb, REF_FRAMES);
-      setup_frame_size(cm, rb);
-      if (pbi->need_resync) {
-        memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map));
-        pbi->need_resync = 0;
-      }
-    } else if (pbi->need_resync != 1) {  /* Skip if need resync */
-      pbi->refresh_frame_flags = vpx_rb_read_literal(rb, REF_FRAMES);
-      for (i = 0; i < REFS_PER_FRAME; ++i) {
-        const int ref = vpx_rb_read_literal(rb, REF_FRAMES_LOG2);
-        const int idx = cm->ref_frame_map[ref];
-        RefBuffer *const ref_frame = &cm->frame_refs[i];
-        ref_frame->idx = idx;
-        ref_frame->buf = &frame_bufs[idx].buf;
-        cm->ref_frame_sign_bias[LAST_FRAME + i] = vpx_rb_read_bit(rb);
-      }
-
-      setup_frame_size_with_refs(cm, rb);
-
-      cm->allow_high_precision_mv = vpx_rb_read_bit(rb);
-      cm->interp_filter = read_interp_filter(rb);
-
-      for (i = 0; i < REFS_PER_FRAME; ++i) {
-        RefBuffer *const ref_buf = &cm->frame_refs[i];
-#if CONFIG_VP9_HIGHBITDEPTH
-        vp10_setup_scale_factors_for_frame(&ref_buf->sf,
-                                          ref_buf->buf->y_crop_width,
-                                          ref_buf->buf->y_crop_height,
-                                          cm->width, cm->height,
-                                          cm->use_highbitdepth);
-#else
-        vp10_setup_scale_factors_for_frame(&ref_buf->sf,
-                                          ref_buf->buf->y_crop_width,
-                                          ref_buf->buf->y_crop_height,
-                                          cm->width, cm->height);
-#endif
-      }
-    }
-  }
-#if CONFIG_VP9_HIGHBITDEPTH
-  get_frame_new_buffer(cm)->bit_depth = cm->bit_depth;
-#endif
-  get_frame_new_buffer(cm)->color_space = cm->color_space;
-  get_frame_new_buffer(cm)->color_range = cm->color_range;
-  get_frame_new_buffer(cm)->render_width  = cm->render_width;
-  get_frame_new_buffer(cm)->render_height = cm->render_height;
-
-  if (pbi->need_resync) {
-    vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                       "Keyframe / intra-only frame required to reset decoder"
-                       " state");
-  }
-
-  if (!cm->error_resilient_mode) {
-    cm->refresh_frame_context =
-        vpx_rb_read_bit(rb) ? REFRESH_FRAME_CONTEXT_FORWARD
-                            : REFRESH_FRAME_CONTEXT_OFF;
-    if (cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_FORWARD) {
-        cm->refresh_frame_context =
-            vpx_rb_read_bit(rb) ? REFRESH_FRAME_CONTEXT_FORWARD
-                                : REFRESH_FRAME_CONTEXT_BACKWARD;
-#if !CONFIG_MISC_FIXES
-    } else {
-      vpx_rb_read_bit(rb);  // parallel decoding mode flag
-#endif
-    }
-  } else {
-    cm->refresh_frame_context = REFRESH_FRAME_CONTEXT_OFF;
-  }
-
-  // This flag will be overridden by the call to vp10_setup_past_independence
-  // below, forcing the use of context 0 for those frame types.
-  cm->frame_context_idx = vpx_rb_read_literal(rb, FRAME_CONTEXTS_LOG2);
-
-  // Generate next_ref_frame_map.
-  lock_buffer_pool(pool);
-  for (mask = pbi->refresh_frame_flags; mask; mask >>= 1) {
-    if (mask & 1) {
-      cm->next_ref_frame_map[ref_index] = cm->new_fb_idx;
-      ++frame_bufs[cm->new_fb_idx].ref_count;
-    } else {
-      cm->next_ref_frame_map[ref_index] = cm->ref_frame_map[ref_index];
-    }
-    // Current thread holds the reference frame.
-    if (cm->ref_frame_map[ref_index] >= 0)
-      ++frame_bufs[cm->ref_frame_map[ref_index]].ref_count;
-    ++ref_index;
-  }
-
-  for (; ref_index < REF_FRAMES; ++ref_index) {
-    cm->next_ref_frame_map[ref_index] = cm->ref_frame_map[ref_index];
-    // Current thread holds the reference frame.
-    if (cm->ref_frame_map[ref_index] >= 0)
-      ++frame_bufs[cm->ref_frame_map[ref_index]].ref_count;
-  }
-  unlock_buffer_pool(pool);
-  pbi->hold_ref_buf = 1;
-
-  if (frame_is_intra_only(cm) || cm->error_resilient_mode)
-    vp10_setup_past_independence(cm);
-
-  setup_loopfilter(&cm->lf, rb);
-  setup_quantization(cm, &pbi->mb, rb);
-  setup_segmentation(cm, rb);
-  setup_segmentation_dequant(cm);
-#if CONFIG_MISC_FIXES
-  cm->tx_mode = (!cm->seg.enabled && xd->lossless[0]) ? ONLY_4X4
-                                                      : read_tx_mode(rb);
-  cm->reference_mode = read_frame_reference_mode(cm, rb);
-#endif
-
-  setup_tile_info(cm, rb);
-  sz = vpx_rb_read_literal(rb, 16);
-
-  if (sz == 0)
-    vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                       "Invalid header size");
-
-  return sz;
-}
-
-static int read_compressed_header(VP10Decoder *pbi, const uint8_t *data,
-                                  size_t partition_size) {
-  VP10_COMMON *const cm = &pbi->common;
-#if !CONFIG_MISC_FIXES
-  MACROBLOCKD *const xd = &pbi->mb;
-#endif
-  FRAME_CONTEXT *const fc = cm->fc;
-  vpx_reader r;
-  int k, i, j;
-
-  if (vpx_reader_init(&r, data, partition_size, pbi->decrypt_cb,
-                      pbi->decrypt_state))
-    vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
-                       "Failed to allocate bool decoder 0");
-
-#if !CONFIG_MISC_FIXES
-  cm->tx_mode = xd->lossless[0] ? ONLY_4X4 : read_tx_mode(&r);
-#endif
-  if (cm->tx_mode == TX_MODE_SELECT)
-    read_tx_mode_probs(&fc->tx_probs, &r);
-  read_coef_probs(fc, cm->tx_mode, &r);
-
-  for (k = 0; k < SKIP_CONTEXTS; ++k)
-    vp10_diff_update_prob(&r, &fc->skip_probs[k]);
-
-#if CONFIG_MISC_FIXES
-  if (cm->seg.enabled) {
-    if (cm->seg.temporal_update) {
-      for (k = 0; k < PREDICTION_PROBS; k++)
-        vp10_diff_update_prob(&r, &cm->fc->seg.pred_probs[k]);
-    }
-    for (k = 0; k < MAX_SEGMENTS - 1; k++)
-      vp10_diff_update_prob(&r, &cm->fc->seg.tree_probs[k]);
-  }
-
-  for (j = 0; j < INTRA_MODES; j++)
-    for (i = 0; i < INTRA_MODES - 1; ++i)
-      vp10_diff_update_prob(&r, &fc->uv_mode_prob[j][i]);
-
-  for (j = 0; j < PARTITION_CONTEXTS; ++j)
-    for (i = 0; i < PARTITION_TYPES - 1; ++i)
-      vp10_diff_update_prob(&r, &fc->partition_prob[j][i]);
-#endif
-
-  if (frame_is_intra_only(cm)) {
-    vp10_copy(cm->kf_y_prob, vp10_kf_y_mode_prob);
-#if CONFIG_MISC_FIXES
-    for (k = 0; k < INTRA_MODES; k++)
-      for (j = 0; j < INTRA_MODES; j++)
-        for (i = 0; i < INTRA_MODES - 1; ++i)
-          vp10_diff_update_prob(&r, &cm->kf_y_prob[k][j][i]);
-#endif
-  } else {
-    nmv_context *const nmvc = &fc->nmvc;
-
-    read_inter_mode_probs(fc, &r);
-
-    if (cm->interp_filter == SWITCHABLE)
-      read_switchable_interp_probs(fc, &r);
-
-    for (i = 0; i < INTRA_INTER_CONTEXTS; i++)
-      vp10_diff_update_prob(&r, &fc->intra_inter_prob[i]);
-
-#if !CONFIG_MISC_FIXES
-    cm->reference_mode = read_frame_reference_mode(cm, &r);
-#endif
-    if (cm->reference_mode != SINGLE_REFERENCE)
-      setup_compound_reference_mode(cm);
-    read_frame_reference_mode_probs(cm, &r);
-
-    for (j = 0; j < BLOCK_SIZE_GROUPS; j++)
-      for (i = 0; i < INTRA_MODES - 1; ++i)
-        vp10_diff_update_prob(&r, &fc->y_mode_prob[j][i]);
-
-#if !CONFIG_MISC_FIXES
-    for (j = 0; j < PARTITION_CONTEXTS; ++j)
-      for (i = 0; i < PARTITION_TYPES - 1; ++i)
-        vp10_diff_update_prob(&r, &fc->partition_prob[j][i]);
-#endif
-
-    read_mv_probs(nmvc, cm->allow_high_precision_mv, &r);
-  }
-
-  return vpx_reader_has_error(&r);
-}
-
-#ifdef NDEBUG
-#define debug_check_frame_counts(cm) (void)0
-#else  // !NDEBUG
-// Counts should only be incremented when frame_parallel_decoding_mode and
-// error_resilient_mode are disabled.
-static void debug_check_frame_counts(const VP10_COMMON *const cm) {
-  FRAME_COUNTS zero_counts;
-  vp10_zero(zero_counts);
-  assert(cm->refresh_frame_context != REFRESH_FRAME_CONTEXT_BACKWARD ||
-         cm->error_resilient_mode);
-  assert(!memcmp(cm->counts.y_mode, zero_counts.y_mode,
-                 sizeof(cm->counts.y_mode)));
-  assert(!memcmp(cm->counts.uv_mode, zero_counts.uv_mode,
-                 sizeof(cm->counts.uv_mode)));
-  assert(!memcmp(cm->counts.partition, zero_counts.partition,
-                 sizeof(cm->counts.partition)));
-  assert(!memcmp(cm->counts.coef, zero_counts.coef,
-                 sizeof(cm->counts.coef)));
-  assert(!memcmp(cm->counts.eob_branch, zero_counts.eob_branch,
-                 sizeof(cm->counts.eob_branch)));
-  assert(!memcmp(cm->counts.switchable_interp, zero_counts.switchable_interp,
-                 sizeof(cm->counts.switchable_interp)));
-  assert(!memcmp(cm->counts.inter_mode, zero_counts.inter_mode,
-                 sizeof(cm->counts.inter_mode)));
-  assert(!memcmp(cm->counts.intra_inter, zero_counts.intra_inter,
-                 sizeof(cm->counts.intra_inter)));
-  assert(!memcmp(cm->counts.comp_inter, zero_counts.comp_inter,
-                 sizeof(cm->counts.comp_inter)));
-  assert(!memcmp(cm->counts.single_ref, zero_counts.single_ref,
-                 sizeof(cm->counts.single_ref)));
-  assert(!memcmp(cm->counts.comp_ref, zero_counts.comp_ref,
-                 sizeof(cm->counts.comp_ref)));
-  assert(!memcmp(&cm->counts.tx, &zero_counts.tx, sizeof(cm->counts.tx)));
-  assert(!memcmp(cm->counts.skip, zero_counts.skip, sizeof(cm->counts.skip)));
-  assert(!memcmp(&cm->counts.mv, &zero_counts.mv, sizeof(cm->counts.mv)));
-}
-#endif  // NDEBUG
-
-static struct vpx_read_bit_buffer *init_read_bit_buffer(
-    VP10Decoder *pbi,
-    struct vpx_read_bit_buffer *rb,
-    const uint8_t *data,
-    const uint8_t *data_end,
-    uint8_t clear_data[MAX_VP9_HEADER_SIZE]) {
-  rb->bit_offset = 0;
-  rb->error_handler = error_handler;
-  rb->error_handler_data = &pbi->common;
-  if (pbi->decrypt_cb) {
-    const int n = (int)VPXMIN(MAX_VP9_HEADER_SIZE, data_end - data);
-    pbi->decrypt_cb(pbi->decrypt_state, data, clear_data, n);
-    rb->bit_buffer = clear_data;
-    rb->bit_buffer_end = clear_data + n;
-  } else {
-    rb->bit_buffer = data;
-    rb->bit_buffer_end = data_end;
-  }
-  return rb;
-}
-
-//------------------------------------------------------------------------------
-
-int vp10_read_sync_code(struct vpx_read_bit_buffer *const rb) {
-  return vpx_rb_read_literal(rb, 8) == VP10_SYNC_CODE_0 &&
-         vpx_rb_read_literal(rb, 8) == VP10_SYNC_CODE_1 &&
-         vpx_rb_read_literal(rb, 8) == VP10_SYNC_CODE_2;
-}
-
-void vp10_read_frame_size(struct vpx_read_bit_buffer *rb,
-                         int *width, int *height) {
-  *width = vpx_rb_read_literal(rb, 16) + 1;
-  *height = vpx_rb_read_literal(rb, 16) + 1;
-}
-
-BITSTREAM_PROFILE vp10_read_profile(struct vpx_read_bit_buffer *rb) {
-  int profile = vpx_rb_read_bit(rb);
-  profile |= vpx_rb_read_bit(rb) << 1;
-  if (profile > 2)
-    profile += vpx_rb_read_bit(rb);
-  return (BITSTREAM_PROFILE) profile;
-}
-
-void vp10_decode_frame(VP10Decoder *pbi,
-                      const uint8_t *data, const uint8_t *data_end,
-                      const uint8_t **p_data_end) {
-  VP10_COMMON *const cm = &pbi->common;
-  MACROBLOCKD *const xd = &pbi->mb;
-  struct vpx_read_bit_buffer rb;
-  int context_updated = 0;
-  uint8_t clear_data[MAX_VP9_HEADER_SIZE];
-  const size_t first_partition_size = read_uncompressed_header(pbi,
-      init_read_bit_buffer(pbi, &rb, data, data_end, clear_data));
-  const int tile_rows = 1 << cm->log2_tile_rows;
-  const int tile_cols = 1 << cm->log2_tile_cols;
-  YV12_BUFFER_CONFIG *const new_fb = get_frame_new_buffer(cm);
-  xd->cur_buf = new_fb;
-
-  if (!first_partition_size) {
-    // showing a frame directly
-    *p_data_end = data + (cm->profile <= PROFILE_2 ? 1 : 2);
-    return;
-  }
-
-  data += vpx_rb_bytes_read(&rb);
-  if (!read_is_valid(data, first_partition_size, data_end))
-    vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                       "Truncated packet or corrupt header length");
-
-  cm->use_prev_frame_mvs = !cm->error_resilient_mode &&
-                           cm->width == cm->last_width &&
-                           cm->height == cm->last_height &&
-                           !cm->last_intra_only &&
-                           cm->last_show_frame &&
-                           (cm->last_frame_type != KEY_FRAME);
-
-  vp10_setup_block_planes(xd, cm->subsampling_x, cm->subsampling_y);
-
-  *cm->fc = cm->frame_contexts[cm->frame_context_idx];
-  if (!cm->fc->initialized)
-    vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                       "Uninitialized entropy context.");
-
-  vp10_zero(cm->counts);
-
-  xd->corrupted = 0;
-  new_fb->corrupted = read_compressed_header(pbi, data, first_partition_size);
-  if (new_fb->corrupted)
-    vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                       "Decode failed. Frame data header is corrupted.");
-
-  if (cm->lf.filter_level && !cm->skip_loop_filter) {
-    vp10_loop_filter_frame_init(cm, cm->lf.filter_level);
-  }
-
-  // If encoded in frame parallel mode, frame context is ready after decoding
-  // the frame header.
-  if (cm->frame_parallel_decode &&
-      cm->refresh_frame_context != REFRESH_FRAME_CONTEXT_BACKWARD) {
-    VPxWorker *const worker = pbi->frame_worker_owner;
-    FrameWorkerData *const frame_worker_data = worker->data1;
-    if (cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_FORWARD) {
-      context_updated = 1;
-      cm->frame_contexts[cm->frame_context_idx] = *cm->fc;
-    }
-    vp10_frameworker_lock_stats(worker);
-    pbi->cur_buf->row = -1;
-    pbi->cur_buf->col = -1;
-    frame_worker_data->frame_context_ready = 1;
-    // Signal the main thread that context is ready.
-    vp10_frameworker_signal_stats(worker);
-    vp10_frameworker_unlock_stats(worker);
-  }
-
-  if (pbi->max_threads > 1 && tile_rows == 1 && tile_cols > 1) {
-    // Multi-threaded tile decoder
-    *p_data_end = decode_tiles_mt(pbi, data + first_partition_size, data_end);
-    if (!xd->corrupted) {
-      if (!cm->skip_loop_filter) {
-        // If multiple threads are used to decode tiles, then we use those
-        // threads to do parallel loopfiltering.
-        vp10_loop_filter_frame_mt(new_fb, cm, pbi->mb.plane,
-                                 cm->lf.filter_level, 0, 0, pbi->tile_workers,
-                                 pbi->num_tile_workers, &pbi->lf_row_sync);
-      }
-    } else {
-      vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                         "Decode failed. Frame data is corrupted.");
-
-    }
-  } else {
-    *p_data_end = decode_tiles(pbi, data + first_partition_size, data_end);
-  }
-
-  if (!xd->corrupted) {
-    if (cm->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD) {
-      vp10_adapt_coef_probs(cm);
-#if CONFIG_MISC_FIXES
-      vp10_adapt_intra_frame_probs(cm);
-#endif
-
-      if (!frame_is_intra_only(cm)) {
-#if !CONFIG_MISC_FIXES
-        vp10_adapt_intra_frame_probs(cm);
-#endif
-        vp10_adapt_inter_frame_probs(cm);
-        vp10_adapt_mv_probs(cm, cm->allow_high_precision_mv);
-      }
-    } else {
-      debug_check_frame_counts(cm);
-    }
-  } else {
-    vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                       "Decode failed. Frame data is corrupted.");
-  }
-
-  // Non frame parallel update frame context here.
-  if (cm->refresh_frame_context != REFRESH_FRAME_CONTEXT_OFF &&
-      !context_updated)
-    cm->frame_contexts[cm->frame_context_idx] = *cm->fc;
-}
diff --git a/vp10/decoder/decodeframe.h b/vp10/decoder/decodeframe.h
deleted file mode 100644
index 770ae154e..000000000
--- a/vp10/decoder/decodeframe.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- *  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.
- */
-
-
-#ifndef VP10_DECODER_DECODEFRAME_H_
-#define VP10_DECODER_DECODEFRAME_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct VP10Decoder;
-struct vpx_read_bit_buffer;
-
-int vp10_read_sync_code(struct vpx_read_bit_buffer *const rb);
-void vp10_read_frame_size(struct vpx_read_bit_buffer *rb,
-                         int *width, int *height);
-BITSTREAM_PROFILE vp10_read_profile(struct vpx_read_bit_buffer *rb);
-
-void vp10_decode_frame(struct VP10Decoder *pbi,
-                      const uint8_t *data, const uint8_t *data_end,
-                      const uint8_t **p_data_end);
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif  // VP10_DECODER_DECODEFRAME_H_
diff --git a/vp10/decoder/decodemv.c b/vp10/decoder/decodemv.c
deleted file mode 100644
index 38ea0736a..000000000
--- a/vp10/decoder/decodemv.c
+++ /dev/null
@@ -1,720 +0,0 @@
-/*
-  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 "vp10/common/common.h"
-#include "vp10/common/entropy.h"
-#include "vp10/common/entropymode.h"
-#include "vp10/common/entropymv.h"
-#include "vp10/common/mvref_common.h"
-#include "vp10/common/pred_common.h"
-#include "vp10/common/reconinter.h"
-#include "vp10/common/seg_common.h"
-
-#include "vp10/decoder/decodemv.h"
-#include "vp10/decoder/decodeframe.h"
-
-#include "vpx_dsp/vpx_dsp_common.h"
-
-static INLINE int read_uniform(vpx_reader *r, int n) {
-  int l = get_unsigned_bits(n);
-  int m = (1 << l) - n;
-  int v = vpx_read_literal(r, l-1);
-
-  assert(l != 0);
-
-  if (v < m)
-    return v;
-  else
-    return (v << 1) - m + vpx_read_literal(r, 1);
-}
-
-static PREDICTION_MODE read_intra_mode(vpx_reader *r, const vpx_prob *p) {
-  return (PREDICTION_MODE)vpx_read_tree(r, vp10_intra_mode_tree, p);
-}
-
-static PREDICTION_MODE read_intra_mode_y(VP10_COMMON *cm, MACROBLOCKD *xd,
-                                         vpx_reader *r, int size_group) {
-  const PREDICTION_MODE y_mode =
-      read_intra_mode(r, cm->fc->y_mode_prob[size_group]);
-  FRAME_COUNTS *counts = xd->counts;
-  if (counts)
-    ++counts->y_mode[size_group][y_mode];
-  return y_mode;
-}
-
-static PREDICTION_MODE read_intra_mode_uv(VP10_COMMON *cm, MACROBLOCKD *xd,
-                                          vpx_reader *r,
-                                          PREDICTION_MODE y_mode) {
-  const PREDICTION_MODE uv_mode = read_intra_mode(r,
-                                         cm->fc->uv_mode_prob[y_mode]);
-  FRAME_COUNTS *counts = xd->counts;
-  if (counts)
-    ++counts->uv_mode[y_mode][uv_mode];
-  return uv_mode;
-}
-
-static PREDICTION_MODE read_inter_mode(VP10_COMMON *cm, MACROBLOCKD *xd,
-                                       vpx_reader *r, int ctx) {
-  const int mode = vpx_read_tree(r, vp10_inter_mode_tree,
-                                 cm->fc->inter_mode_probs[ctx]);
-  FRAME_COUNTS *counts = xd->counts;
-  if (counts)
-    ++counts->inter_mode[ctx][mode];
-
-  return NEARESTMV + mode;
-}
-
-static int read_segment_id(vpx_reader *r,
-    const struct segmentation_probs *segp) {
-  return vpx_read_tree(r, vp10_segment_tree, segp->tree_probs);
-}
-
-static TX_SIZE read_selected_tx_size(VP10_COMMON *cm, MACROBLOCKD *xd,
-                                     TX_SIZE max_tx_size, vpx_reader *r) {
-  FRAME_COUNTS *counts = xd->counts;
-  const int ctx = get_tx_size_context(xd);
-  const vpx_prob *tx_probs = get_tx_probs(max_tx_size, ctx, &cm->fc->tx_probs);
-  int tx_size = vpx_read(r, tx_probs[0]);
-  if (tx_size != TX_4X4 && max_tx_size >= TX_16X16) {
-    tx_size += vpx_read(r, tx_probs[1]);
-    if (tx_size != TX_8X8 && max_tx_size >= TX_32X32)
-      tx_size += vpx_read(r, tx_probs[2]);
-  }
-
-  if (counts)
-    ++get_tx_counts(max_tx_size, ctx, &counts->tx)[tx_size];
-  return (TX_SIZE)tx_size;
-}
-
-static TX_SIZE read_tx_size(VP10_COMMON *cm, MACROBLOCKD *xd,
-                            int allow_select, vpx_reader *r) {
-  TX_MODE tx_mode = cm->tx_mode;
-  BLOCK_SIZE bsize = xd->mi[0]->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);
-  else
-    return VPXMIN(max_tx_size, tx_mode_to_biggest_tx_size[tx_mode]);
-}
-
-static int dec_get_segment_id(const VP10_COMMON *cm, const uint8_t *segment_ids,
-                              int mi_offset, int x_mis, int y_mis) {
-  int x, y, segment_id = INT_MAX;
-
-  for (y = 0; y < y_mis; y++)
-    for (x = 0; x < x_mis; x++)
-      segment_id =
-          VPXMIN(segment_id, segment_ids[mi_offset + y * cm->mi_cols + x]);
-
-  assert(segment_id >= 0 && segment_id < MAX_SEGMENTS);
-  return segment_id;
-}
-
-static void set_segment_id(VP10_COMMON *cm, int mi_offset,
-                           int x_mis, int y_mis, int segment_id) {
-  int x, y;
-
-  assert(segment_id >= 0 && segment_id < MAX_SEGMENTS);
-
-  for (y = 0; y < y_mis; y++)
-    for (x = 0; x < x_mis; x++)
-      cm->current_frame_seg_map[mi_offset + y * cm->mi_cols + x] = segment_id;
-}
-
-static int read_intra_segment_id(VP10_COMMON *const cm, MACROBLOCKD *const xd,
-                                 int mi_offset, int x_mis, int y_mis,
-                                 vpx_reader *r) {
-  struct segmentation *const seg = &cm->seg;
-#if CONFIG_MISC_FIXES
-  FRAME_COUNTS *counts = xd->counts;
-  struct segmentation_probs *const segp = &cm->fc->seg;
-#else
-  struct segmentation_probs *const segp = &cm->segp;
-#endif
-  int segment_id;
-
-#if !CONFIG_MISC_FIXES
-  (void) xd;
-#endif
-
-  if (!seg->enabled)
-    return 0;  // Default for disabled segmentation
-
-  assert(seg->update_map && !seg->temporal_update);
-
-  segment_id = read_segment_id(r, segp);
-#if CONFIG_MISC_FIXES
-  if (counts)
-    ++counts->seg.tree_total[segment_id];
-#endif
-  set_segment_id(cm, mi_offset, x_mis, y_mis, segment_id);
-  return segment_id;
-}
-
-static void copy_segment_id(const VP10_COMMON *cm,
-                           const uint8_t *last_segment_ids,
-                           uint8_t *current_segment_ids,
-                           int mi_offset, int x_mis, int y_mis) {
-  int x, y;
-
-  for (y = 0; y < y_mis; y++)
-    for (x = 0; x < x_mis; 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_inter_segment_id(VP10_COMMON *const cm, MACROBLOCKD *const xd,
-                                 int mi_row, int mi_col, vpx_reader *r) {
-  struct segmentation *const seg = &cm->seg;
-#if CONFIG_MISC_FIXES
-  FRAME_COUNTS *counts = xd->counts;
-  struct segmentation_probs *const segp = &cm->fc->seg;
-#else
-  struct segmentation_probs *const segp = &cm->segp;
-#endif
-  MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
-  int predicted_segment_id, segment_id;
-  const int mi_offset = mi_row * cm->mi_cols + mi_col;
-  const int bw = xd->plane[0].n4_w >> 1;
-  const int bh = xd->plane[0].n4_h >> 1;
-
-  // TODO(slavarnway): move x_mis, y_mis into xd ?????
-  const int x_mis = VPXMIN(cm->mi_cols - mi_col, bw);
-  const int y_mis = VPXMIN(cm->mi_rows - mi_row, bh);
-
-  if (!seg->enabled)
-    return 0;  // Default for disabled segmentation
-
-  predicted_segment_id = cm->last_frame_seg_map ?
-      dec_get_segment_id(cm, cm->last_frame_seg_map, mi_offset, x_mis, y_mis) :
-      0;
-
-  if (!seg->update_map) {
-    copy_segment_id(cm, cm->last_frame_seg_map, cm->current_frame_seg_map,
-                    mi_offset, x_mis, y_mis);
-    return predicted_segment_id;
-  }
-
-  if (seg->temporal_update) {
-    const int ctx = vp10_get_pred_context_seg_id(xd);
-    const vpx_prob pred_prob = segp->pred_probs[ctx];
-    mbmi->seg_id_predicted = vpx_read(r, pred_prob);
-#if CONFIG_MISC_FIXES
-    if (counts)
-      ++counts->seg.pred[ctx][mbmi->seg_id_predicted];
-#endif
-    if (mbmi->seg_id_predicted) {
-      segment_id = predicted_segment_id;
-    } else {
-      segment_id = read_segment_id(r, segp);
-#if CONFIG_MISC_FIXES
-      if (counts)
-        ++counts->seg.tree_mispred[segment_id];
-#endif
-    }
-  } else {
-    segment_id = read_segment_id(r, segp);
-#if CONFIG_MISC_FIXES
-    if (counts)
-      ++counts->seg.tree_total[segment_id];
-#endif
-  }
-  set_segment_id(cm, mi_offset, x_mis, y_mis, segment_id);
-  return segment_id;
-}
-
-static int read_skip(VP10_COMMON *cm, const MACROBLOCKD *xd,
-                     int segment_id, vpx_reader *r) {
-  if (segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)) {
-    return 1;
-  } else {
-    const int ctx = vp10_get_skip_context(xd);
-    const int skip = vpx_read(r, cm->fc->skip_probs[ctx]);
-    FRAME_COUNTS *counts = xd->counts;
-    if (counts)
-      ++counts->skip[ctx][skip];
-    return skip;
-  }
-}
-
-static void read_palette_mode_info(VP10_COMMON *const cm,
-                                   MACROBLOCKD *const xd,
-                                   vpx_reader *r) {
-  MODE_INFO *const mi = xd->mi[0];
-  MB_MODE_INFO *const mbmi = &mi->mbmi;
-  const MODE_INFO *above_mi = xd->above_mi;
-  const MODE_INFO *left_mi  = xd->left_mi;
-  const BLOCK_SIZE bsize = mbmi->sb_type;
-  int i, palette_ctx = 0;
-
-  if (above_mi)
-    palette_ctx += (above_mi->mbmi.palette_mode_info.palette_size[0] > 0);
-  if (left_mi)
-    palette_ctx += (left_mi->mbmi.palette_mode_info.palette_size[0] > 0);
-  if (vpx_read(r, vp10_default_palette_y_mode_prob[bsize - BLOCK_8X8]
-                                                   [palette_ctx])) {
-    int n;
-    PALETTE_MODE_INFO *pmi = &mbmi->palette_mode_info;
-
-    pmi->palette_size[0] =
-        vpx_read_tree(r, vp10_palette_size_tree,
-                      vp10_default_palette_y_size_prob[bsize - BLOCK_8X8]) + 2;
-    n = pmi->palette_size[0];
-
-    for (i = 0; i < n; ++i)
-      pmi->palette_colors[i] = vpx_read_literal(r, cm->bit_depth);
-
-    xd->plane[0].color_index_map[0] = read_uniform(r, n);
-    assert(xd->plane[0].color_index_map[0] < n);
-  }
-}
-
-static void read_intra_frame_mode_info(VP10_COMMON *const cm,
-                                       MACROBLOCKD *const xd,
-                                       int mi_row, int mi_col, vpx_reader *r) {
-  MODE_INFO *const mi = xd->mi[0];
-  MB_MODE_INFO *const mbmi = &mi->mbmi;
-  const MODE_INFO *above_mi = xd->above_mi;
-  const MODE_INFO *left_mi  = xd->left_mi;
-  const BLOCK_SIZE bsize = mbmi->sb_type;
-  int i;
-  const int mi_offset = mi_row * cm->mi_cols + mi_col;
-  const int bw = xd->plane[0].n4_w >> 1;
-  const int bh = xd->plane[0].n4_h >> 1;
-
-  // TODO(slavarnway): move x_mis, y_mis into xd ?????
-  const int x_mis = VPXMIN(cm->mi_cols - mi_col, bw);
-  const int y_mis = VPXMIN(cm->mi_rows - mi_row, bh);
-
-  mbmi->segment_id = read_intra_segment_id(cm, xd, mi_offset, x_mis, y_mis, r);
-  mbmi->skip = read_skip(cm, xd, mbmi->segment_id, r);
-  mbmi->tx_size = read_tx_size(cm, xd, 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(cm, mi, above_mi, left_mi, i));
-      mbmi->mode = mi->bmi[3].as_mode;
-      break;
-    case BLOCK_4X8:
-      mi->bmi[0].as_mode = mi->bmi[2].as_mode =
-          read_intra_mode(r, get_y_mode_probs(cm, mi, above_mi, left_mi, 0));
-      mi->bmi[1].as_mode = mi->bmi[3].as_mode = mbmi->mode =
-          read_intra_mode(r, get_y_mode_probs(cm, mi, above_mi, left_mi, 1));
-      break;
-    case BLOCK_8X4:
-      mi->bmi[0].as_mode = mi->bmi[1].as_mode =
-          read_intra_mode(r, get_y_mode_probs(cm, mi, above_mi, left_mi, 0));
-      mi->bmi[2].as_mode = mi->bmi[3].as_mode = mbmi->mode =
-          read_intra_mode(r, get_y_mode_probs(cm, mi, above_mi, left_mi, 2));
-      break;
-    default:
-      mbmi->mode = read_intra_mode(r,
-          get_y_mode_probs(cm, mi, above_mi, left_mi, 0));
-  }
-
-  mbmi->uv_mode = read_intra_mode_uv(cm, xd, r, mbmi->mode);
-
-  mbmi->palette_mode_info.palette_size[0] = 0;
-  mbmi->palette_mode_info.palette_size[1] = 0;
-  if (bsize >= BLOCK_8X8 && cm->allow_screen_content_tools &&
-      mbmi->mode == DC_PRED)
-    read_palette_mode_info(cm, xd, r);
-}
-
-static int read_mv_component(vpx_reader *r,
-                             const nmv_component *mvcomp, int usehp) {
-  int mag, d, fr, hp;
-  const int sign = vpx_read(r, mvcomp->sign);
-  const int mv_class = vpx_read_tree(r, vp10_mv_class_tree, mvcomp->classes);
-  const int class0 = mv_class == MV_CLASS_0;
-
-  // Integer part
-  if (class0) {
-    d = vpx_read_tree(r, vp10_mv_class0_tree, mvcomp->class0);
-    mag = 0;
-  } else {
-    int i;
-    const int n = mv_class + CLASS0_BITS - 1;  // number of bits
-
-    d = 0;
-    for (i = 0; i < n; ++i)
-      d |= vpx_read(r, mvcomp->bits[i]) << i;
-    mag = CLASS0_SIZE << (mv_class + 2);
-  }
-
-  // Fractional part
-  fr = vpx_read_tree(r, vp10_mv_fp_tree, class0 ? mvcomp->class0_fp[d]
-                                               : mvcomp->fp);
-
-  // High precision part (if hp is not used, the default value of the hp is 1)
-  hp = usehp ? vpx_read(r, class0 ? mvcomp->class0_hp : mvcomp->hp)
-             : 1;
-
-  // Result
-  mag += ((d << 3) | (fr << 1) | hp) + 1;
-  return sign ? -mag : mag;
-}
-
-static INLINE void read_mv(vpx_reader *r, MV *mv, const MV *ref,
-                           const nmv_context *ctx,
-                           nmv_context_counts *counts, int allow_hp) {
-  const MV_JOINT_TYPE joint_type =
-      (MV_JOINT_TYPE)vpx_read_tree(r, vp10_mv_joint_tree, ctx->joints);
-  const int use_hp = allow_hp && vp10_use_mv_hp(ref);
-  MV diff = {0, 0};
-
-  if (mv_joint_vertical(joint_type))
-    diff.row = read_mv_component(r, &ctx->comps[0], use_hp);
-
-  if (mv_joint_horizontal(joint_type))
-    diff.col = read_mv_component(r, &ctx->comps[1], use_hp);
-
-  vp10_inc_mv(&diff, counts, use_hp);
-
-  mv->row = ref->row + diff.row;
-  mv->col = ref->col + diff.col;
-}
-
-static REFERENCE_MODE read_block_reference_mode(VP10_COMMON *cm,
-                                                const MACROBLOCKD *xd,
-                                                vpx_reader *r) {
-  if (cm->reference_mode == REFERENCE_MODE_SELECT) {
-    const int ctx = vp10_get_reference_mode_context(cm, xd);
-    const REFERENCE_MODE mode =
-        (REFERENCE_MODE)vpx_read(r, cm->fc->comp_inter_prob[ctx]);
-    FRAME_COUNTS *counts = xd->counts;
-    if (counts)
-      ++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(VP10_COMMON *const cm, MACROBLOCKD *const xd,
-                            vpx_reader *r,
-                            int segment_id, MV_REFERENCE_FRAME ref_frame[2]) {
-  FRAME_CONTEXT *const fc = cm->fc;
-  FRAME_COUNTS *counts = xd->counts;
-
-  if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) {
-    ref_frame[0] = (MV_REFERENCE_FRAME)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);
-    // 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 = vp10_get_pred_context_comp_ref_p(cm, xd);
-      const int bit = vpx_read(r, fc->comp_ref_prob[ctx]);
-      if (counts)
-        ++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) {
-      const int ctx0 = vp10_get_pred_context_single_ref_p1(xd);
-      const int bit0 = vpx_read(r, fc->single_ref_prob[ctx0][0]);
-      if (counts)
-        ++counts->single_ref[ctx0][0][bit0];
-      if (bit0) {
-        const int ctx1 = vp10_get_pred_context_single_ref_p2(xd);
-        const int bit1 = vpx_read(r, fc->single_ref_prob[ctx1][1]);
-        if (counts)
-          ++counts->single_ref[ctx1][1][bit1];
-        ref_frame[0] = bit1 ? ALTREF_FRAME : GOLDEN_FRAME;
-      } else {
-        ref_frame[0] = LAST_FRAME;
-      }
-
-      ref_frame[1] = NONE;
-    } else {
-      assert(0 && "Invalid prediction mode.");
-    }
-  }
-}
-
-
-static INLINE INTERP_FILTER read_switchable_interp_filter(
-    VP10_COMMON *const cm, MACROBLOCKD *const xd,
-    vpx_reader *r) {
-  const int ctx = vp10_get_pred_context_switchable_interp(xd);
-  const INTERP_FILTER type =
-      (INTERP_FILTER)vpx_read_tree(r, vp10_switchable_interp_tree,
-                                   cm->fc->switchable_interp_prob[ctx]);
-  FRAME_COUNTS *counts = xd->counts;
-  if (counts)
-    ++counts->switchable_interp[ctx][type];
-  return type;
-}
-
-static void read_intra_block_mode_info(VP10_COMMON *const cm,
-                                       MACROBLOCKD *const xd, MODE_INFO *mi,
-                                       vpx_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, xd, 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, xd,
-                                                                  r, 0);
-      mi->bmi[1].as_mode = mi->bmi[3].as_mode = mbmi->mode =
-          read_intra_mode_y(cm, xd, r, 0);
-      break;
-    case BLOCK_8X4:
-      mi->bmi[0].as_mode = mi->bmi[1].as_mode = read_intra_mode_y(cm, xd,
-                                                                  r, 0);
-      mi->bmi[2].as_mode = mi->bmi[3].as_mode = mbmi->mode =
-          read_intra_mode_y(cm, xd, r, 0);
-      break;
-    default:
-      mbmi->mode = read_intra_mode_y(cm, xd, r, size_group_lookup[bsize]);
-  }
-
-  mbmi->uv_mode = read_intra_mode_uv(cm, xd, r, mbmi->mode);
-
-  mbmi->palette_mode_info.palette_size[0] = 0;
-  mbmi->palette_mode_info.palette_size[1] = 0;
-}
-
-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(VP10_COMMON *cm, MACROBLOCKD *xd,
-                            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, vpx_reader *r) {
-  int i;
-  int ret = 1;
-
-  switch (mode) {
-    case NEWMV: {
-      FRAME_COUNTS *counts = xd->counts;
-      nmv_context_counts *const mv_counts = counts ? &counts->mv : NULL;
-      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)
-        mv[1].as_int = nearest_mv[1].as_int;
-      break;
-    }
-    case NEARMV: {
-      mv[0].as_int = near_mv[0].as_int;
-      if (is_compound)
-        mv[1].as_int = near_mv[1].as_int;
-      break;
-    }
-    case ZEROMV: {
-      mv[0].as_int = 0;
-      if (is_compound)
-        mv[1].as_int = 0;
-      break;
-    }
-    default: {
-      return 0;
-    }
-  }
-  return ret;
-}
-
-static int read_is_inter_block(VP10_COMMON *const cm, MACROBLOCKD *const xd,
-                               int segment_id, vpx_reader *r) {
-  if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) {
-    return get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME) != INTRA_FRAME;
-  } else {
-    const int ctx = vp10_get_intra_inter_context(xd);
-    const int is_inter = vpx_read(r, cm->fc->intra_inter_prob[ctx]);
-    FRAME_COUNTS *counts = xd->counts;
-    if (counts)
-      ++counts->intra_inter[ctx][is_inter];
-    return is_inter;
-  }
-}
-
-static void fpm_sync(void *const data, int mi_row) {
-  VP10Decoder *const pbi = (VP10Decoder *)data;
-  vp10_frameworker_wait(pbi->frame_worker_owner, pbi->common.prev_frame,
-                       mi_row << MI_BLOCK_SIZE_LOG2);
-}
-
-static void read_inter_block_mode_info(VP10Decoder *const pbi,
-                                       MACROBLOCKD *const xd,
-                                       MODE_INFO *const mi,
-                                       int mi_row, int mi_col, vpx_reader *r) {
-  VP10_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_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
-  int ref, is_compound;
-  uint8_t inter_mode_ctx[MAX_REF_FRAMES];
-
-  read_ref_frames(cm, xd, 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 ((!vp10_is_valid_scale(&ref_buf->sf)))
-      vpx_internal_error(xd->error_info, VPX_CODEC_UNSUP_BITSTREAM,
-                         "Reference frame has invalid dimensions");
-    vp10_setup_pre_planes(xd, ref, ref_buf->buf, mi_row, mi_col,
-                         &ref_buf->sf);
-    vp10_find_mv_refs(cm, xd, mi, frame, ref_mvs[frame],
-                     mi_row, mi_col, fpm_sync, (void *)pbi, inter_mode_ctx);
-  }
-
-  if (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, xd, r,
-                                   inter_mode_ctx[mbmi->ref_frame[0]]);
-  }
-
-  if (bsize < BLOCK_8X8 || mbmi->mode != ZEROMV) {
-    for (ref = 0; ref < 1 + is_compound; ++ref) {
-      vp10_find_best_ref_mvs(allow_hp, ref_mvs[mbmi->ref_frame[ref]],
-                             &nearestmv[ref], &nearmv[ref]);
-    }
-  }
-
-  mbmi->interp_filter = (cm->interp_filter == SWITCHABLE)
-                      ? read_switchable_interp_filter(cm, xd, r)
-                      : cm->interp_filter;
-
-  if (bsize < BLOCK_8X8) {
-    const int num_4x4_w = 1 << xd->bmode_blocks_wl;
-    const int num_4x4_h = 1 << xd->bmode_blocks_hl;
-    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, xd, r, inter_mode_ctx[mbmi->ref_frame[0]]);
-
-        if (b_mode == NEARESTMV || b_mode == NEARMV) {
-          uint8_t dummy_mode_ctx[MAX_REF_FRAMES];
-          for (ref = 0; ref < 1 + is_compound; ++ref)
-            vp10_append_sub8x8_mvs_for_idx(cm, xd, j, ref, mi_row, mi_col,
-                                          &nearest_sub8x8[ref],
-                                          &near_sub8x8[ref],
-                                          dummy_mode_ctx);
-        }
-
-        if (!assign_mv(cm, xd, 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, xd, mbmi->mode, mbmi->mv, nearestmv,
-                                nearestmv, nearmv, is_compound, allow_hp, r);
-  }
-}
-
-static void read_inter_frame_mode_info(VP10Decoder *const pbi,
-                                       MACROBLOCKD *const xd,
-                                       int mi_row, int mi_col, vpx_reader *r) {
-  VP10_COMMON *const cm = &pbi->common;
-  MODE_INFO *const mi = xd->mi[0];
-  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);
-
-  if (inter_block)
-    read_inter_block_mode_info(pbi, xd, mi, mi_row, mi_col, r);
-  else
-    read_intra_block_mode_info(cm, xd, mi, r);
-}
-
-void vp10_read_mode_info(VP10Decoder *const pbi, MACROBLOCKD *xd,
-                        int mi_row, int mi_col, vpx_reader *r,
-                        int x_mis, int y_mis) {
-  VP10_COMMON *const cm = &pbi->common;
-  MODE_INFO *const mi = xd->mi[0];
-  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);
-  } else {
-    read_inter_frame_mode_info(pbi, xd, 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->mbmi.ref_frame[0];
-        mv->ref_frame[1] = mi->mbmi.ref_frame[1];
-        mv->mv[0].as_int = mi->mbmi.mv[0].as_int;
-        mv->mv[1].as_int = mi->mbmi.mv[1].as_int;
-      }
-    }
-  }
-}
diff --git a/vp10/decoder/decodemv.h b/vp10/decoder/decodemv.h
deleted file mode 100644
index 6653be5f6..000000000
--- a/vp10/decoder/decodemv.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- *  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.
- */
-
-#ifndef VP10_DECODER_DECODEMV_H_
-#define VP10_DECODER_DECODEMV_H_
-
-#include "vpx_dsp/bitreader.h"
-
-#include "vp10/decoder/decoder.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void vp10_read_mode_info(VP10Decoder *const pbi, MACROBLOCKD *xd,
-                        int mi_row, int mi_col, vpx_reader *r,
-                        int x_mis, int y_mis);
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif  // VP10_DECODER_DECODEMV_H_
diff --git a/vp10/decoder/decoder.c b/vp10/decoder/decoder.c
deleted file mode 100644
index d8864d22e..000000000
--- a/vp10/decoder/decoder.c
+++ /dev/null
@@ -1,522 +0,0 @@
-/*
- *  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 <limits.h>
-#include <stdio.h>
-
-#include "./vp10_rtcd.h"
-#include "./vpx_dsp_rtcd.h"
-#include "./vpx_scale_rtcd.h"
-
-#include "vpx_mem/vpx_mem.h"
-#include "vpx_ports/system_state.h"
-#include "vpx_ports/vpx_once.h"
-#include "vpx_ports/vpx_timer.h"
-#include "vpx_scale/vpx_scale.h"
-#include "vpx_util/vpx_thread.h"
-
-#include "vp10/common/alloccommon.h"
-#include "vp10/common/loopfilter.h"
-#include "vp10/common/onyxc_int.h"
-#if CONFIG_VP9_POSTPROC
-#include "vp10/common/postproc.h"
-#endif
-#include "vp10/common/quant_common.h"
-#include "vp10/common/reconintra.h"
-
-#include "vp10/decoder/decodeframe.h"
-#include "vp10/decoder/decoder.h"
-#include "vp10/decoder/detokenize.h"
-
-static void initialize_dec(void) {
-  static volatile int init_done = 0;
-
-  if (!init_done) {
-    vp10_rtcd();
-    vpx_dsp_rtcd();
-    vpx_scale_rtcd();
-    vp10_init_intra_predictors();
-    init_done = 1;
-  }
-}
-
-static void vp10_dec_setup_mi(VP10_COMMON *cm) {
-  cm->mi = cm->mip + cm->mi_stride + 1;
-  cm->mi_grid_visible = cm->mi_grid_base + cm->mi_stride + 1;
-  memset(cm->mi_grid_base, 0,
-         cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->mi_grid_base));
-}
-
-static int vp10_dec_alloc_mi(VP10_COMMON *cm, int mi_size) {
-  cm->mip = vpx_calloc(mi_size, sizeof(*cm->mip));
-  if (!cm->mip)
-    return 1;
-  cm->mi_alloc_size = mi_size;
-  cm->mi_grid_base = (MODE_INFO **)vpx_calloc(mi_size, sizeof(MODE_INFO*));
-  if (!cm->mi_grid_base)
-    return 1;
-  return 0;
-}
-
-static void vp10_dec_free_mi(VP10_COMMON *cm) {
-  vpx_free(cm->mip);
-  cm->mip = NULL;
-  vpx_free(cm->mi_grid_base);
-  cm->mi_grid_base = NULL;
-}
-
-VP10Decoder *vp10_decoder_create(BufferPool *const pool) {
-  VP10Decoder *volatile const pbi = vpx_memalign(32, sizeof(*pbi));
-  VP10_COMMON *volatile const cm = pbi ? &pbi->common : NULL;
-
-  if (!cm)
-    return NULL;
-
-  vp10_zero(*pbi);
-
-  if (setjmp(cm->error.jmp)) {
-    cm->error.setjmp = 0;
-    vp10_decoder_remove(pbi);
-    return NULL;
-  }
-
-  cm->error.setjmp = 1;
-
-  CHECK_MEM_ERROR(cm, cm->fc,
-                  (FRAME_CONTEXT *)vpx_calloc(1, sizeof(*cm->fc)));
-  CHECK_MEM_ERROR(cm, cm->frame_contexts,
-                  (FRAME_CONTEXT *)vpx_calloc(FRAME_CONTEXTS,
-                  sizeof(*cm->frame_contexts)));
-
-  pbi->need_resync = 1;
-  once(initialize_dec);
-
-  // Initialize the references to not point to any frame buffers.
-  memset(&cm->ref_frame_map, -1, sizeof(cm->ref_frame_map));
-  memset(&cm->next_ref_frame_map, -1, sizeof(cm->next_ref_frame_map));
-
-  cm->current_video_frame = 0;
-  pbi->ready_for_new_data = 1;
-  pbi->common.buffer_pool = pool;
-
-  cm->bit_depth = VPX_BITS_8;
-  cm->dequant_bit_depth = VPX_BITS_8;
-
-  cm->alloc_mi = vp10_dec_alloc_mi;
-  cm->free_mi = vp10_dec_free_mi;
-  cm->setup_mi = vp10_dec_setup_mi;
-
-  vp10_loop_filter_init(cm);
-
-  cm->error.setjmp = 0;
-
-  vpx_get_worker_interface()->init(&pbi->lf_worker);
-
-  return pbi;
-}
-
-void vp10_decoder_remove(VP10Decoder *pbi) {
-  int i;
-
-  if (!pbi)
-    return;
-
-  vpx_get_worker_interface()->end(&pbi->lf_worker);
-  vpx_free(pbi->lf_worker.data1);
-  vpx_free(pbi->tile_data);
-  for (i = 0; i < pbi->num_tile_workers; ++i) {
-    VPxWorker *const worker = &pbi->tile_workers[i];
-    vpx_get_worker_interface()->end(worker);
-  }
-  vpx_free(pbi->tile_worker_data);
-  vpx_free(pbi->tile_worker_info);
-  vpx_free(pbi->tile_workers);
-
-  if (pbi->num_tile_workers > 0) {
-    vp10_loop_filter_dealloc(&pbi->lf_row_sync);
-  }
-
-  vpx_free(pbi);
-}
-
-static int equal_dimensions(const YV12_BUFFER_CONFIG *a,
-                            const YV12_BUFFER_CONFIG *b) {
-    return a->y_height == b->y_height && a->y_width == b->y_width &&
-           a->uv_height == b->uv_height && a->uv_width == b->uv_width;
-}
-
-vpx_codec_err_t vp10_copy_reference_dec(VP10Decoder *pbi,
-                                       VP9_REFFRAME ref_frame_flag,
-                                       YV12_BUFFER_CONFIG *sd) {
-  VP10_COMMON *cm = &pbi->common;
-
-  /* TODO(jkoleszar): The decoder doesn't have any real knowledge of what the
-   * encoder is using the frame buffers for. This is just a stub to keep the
-   * vpxenc --test-decode functionality working, and will be replaced in a
-   * later commit that adds VP9-specific controls for this functionality.
-   */
-  if (ref_frame_flag == VP9_LAST_FLAG) {
-    const YV12_BUFFER_CONFIG *const cfg = get_ref_frame(cm, 0);
-    if (cfg == NULL) {
-      vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
-                         "No 'last' reference frame");
-      return VPX_CODEC_ERROR;
-    }
-    if (!equal_dimensions(cfg, sd))
-      vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
-                         "Incorrect buffer dimensions");
-    else
-      vp8_yv12_copy_frame(cfg, sd);
-  } else {
-    vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
-                       "Invalid reference frame");
-  }
-
-  return cm->error.error_code;
-}
-
-
-vpx_codec_err_t vp10_set_reference_dec(VP10_COMMON *cm,
-                                      VP9_REFFRAME ref_frame_flag,
-                                      YV12_BUFFER_CONFIG *sd) {
-  RefBuffer *ref_buf = NULL;
-  RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
-
-  // TODO(jkoleszar): The decoder doesn't have any real knowledge of what the
-  // encoder is using the frame buffers for. This is just a stub to keep the
-  // vpxenc --test-decode functionality working, and will be replaced in a
-  // later commit that adds VP9-specific controls for this functionality.
-  if (ref_frame_flag == VP9_LAST_FLAG) {
-    ref_buf = &cm->frame_refs[0];
-  } else if (ref_frame_flag == VP9_GOLD_FLAG) {
-    ref_buf = &cm->frame_refs[1];
-  } else if (ref_frame_flag == VP9_ALT_FLAG) {
-    ref_buf = &cm->frame_refs[2];
-  } else {
-    vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
-                       "Invalid reference frame");
-    return cm->error.error_code;
-  }
-
-  if (!equal_dimensions(ref_buf->buf, sd)) {
-    vpx_internal_error(&cm->error, VPX_CODEC_ERROR,
-                       "Incorrect buffer dimensions");
-  } else {
-    int *ref_fb_ptr = &ref_buf->idx;
-
-    // Find an empty frame buffer.
-    const int free_fb = get_free_fb(cm);
-    if (cm->new_fb_idx == INVALID_IDX)
-      return VPX_CODEC_MEM_ERROR;
-
-    // Decrease ref_count since it will be increased again in
-    // ref_cnt_fb() below.
-    --frame_bufs[free_fb].ref_count;
-
-    // Manage the reference counters and copy image.
-    ref_cnt_fb(frame_bufs, ref_fb_ptr, free_fb);
-    ref_buf->buf = &frame_bufs[*ref_fb_ptr].buf;
-    vp8_yv12_copy_frame(sd, ref_buf->buf);
-  }
-
-  return cm->error.error_code;
-}
-
-/* If any buffer updating is signaled it should be done here. */
-static void swap_frame_buffers(VP10Decoder *pbi) {
-  int ref_index = 0, mask;
-  VP10_COMMON *const cm = &pbi->common;
-  BufferPool *const pool = cm->buffer_pool;
-  RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
-
-  lock_buffer_pool(pool);
-  for (mask = pbi->refresh_frame_flags; mask; mask >>= 1) {
-    const int old_idx = cm->ref_frame_map[ref_index];
-    // Current thread releases the holding of reference frame.
-    decrease_ref_count(old_idx, frame_bufs, pool);
-
-    // Release the reference frame in reference map.
-    if ((mask & 1) && old_idx >= 0) {
-      decrease_ref_count(old_idx, frame_bufs, pool);
-    }
-    cm->ref_frame_map[ref_index] = cm->next_ref_frame_map[ref_index];
-    ++ref_index;
-  }
-
-  // Current thread releases the holding of reference frame.
-  for (; ref_index < REF_FRAMES && !cm->show_existing_frame; ++ref_index) {
-    const int old_idx = cm->ref_frame_map[ref_index];
-    decrease_ref_count(old_idx, frame_bufs, pool);
-    cm->ref_frame_map[ref_index] = cm->next_ref_frame_map[ref_index];
-  }
-  unlock_buffer_pool(pool);
-  pbi->hold_ref_buf = 0;
-  cm->frame_to_show = get_frame_new_buffer(cm);
-
-  if (!cm->frame_parallel_decode || !cm->show_frame) {
-    lock_buffer_pool(pool);
-    --frame_bufs[cm->new_fb_idx].ref_count;
-    unlock_buffer_pool(pool);
-  }
-
-  // Invalidate these references until the next frame starts.
-  for (ref_index = 0; ref_index < 3; ref_index++)
-    cm->frame_refs[ref_index].idx = -1;
-}
-
-int vp10_receive_compressed_data(VP10Decoder *pbi,
-                                size_t size, const uint8_t **psource) {
-  VP10_COMMON *volatile const cm = &pbi->common;
-  BufferPool *volatile const pool = cm->buffer_pool;
-  RefCntBuffer *volatile const frame_bufs = cm->buffer_pool->frame_bufs;
-  const uint8_t *source = *psource;
-  int retcode = 0;
-  cm->error.error_code = VPX_CODEC_OK;
-
-  if (size == 0) {
-    // This is used to signal that we are missing frames.
-    // We do not know if the missing frame(s) was supposed to update
-    // any of the reference buffers, but we act conservative and
-    // mark only the last buffer as corrupted.
-    //
-    // TODO(jkoleszar): Error concealment is undefined and non-normative
-    // at this point, but if it becomes so, [0] may not always be the correct
-    // thing to do here.
-    if (cm->frame_refs[0].idx > 0) {
-      assert(cm->frame_refs[0].buf != NULL);
-      cm->frame_refs[0].buf->corrupted = 1;
-    }
-  }
-
-  pbi->ready_for_new_data = 0;
-
-  // Check if the previous frame was a frame without any references to it.
-  // Release frame buffer if not decoding in frame parallel mode.
-  if (!cm->frame_parallel_decode && cm->new_fb_idx >= 0
-      && frame_bufs[cm->new_fb_idx].ref_count == 0)
-    pool->release_fb_cb(pool->cb_priv,
-                        &frame_bufs[cm->new_fb_idx].raw_frame_buffer);
-  // Find a free frame buffer. Return error if can not find any.
-  cm->new_fb_idx = get_free_fb(cm);
-  if (cm->new_fb_idx == INVALID_IDX)
-    return VPX_CODEC_MEM_ERROR;
-
-  // Assign a MV array to the frame buffer.
-  cm->cur_frame = &pool->frame_bufs[cm->new_fb_idx];
-
-  pbi->hold_ref_buf = 0;
-  if (cm->frame_parallel_decode) {
-    VPxWorker *const worker = pbi->frame_worker_owner;
-    vp10_frameworker_lock_stats(worker);
-    frame_bufs[cm->new_fb_idx].frame_worker_owner = worker;
-    // Reset decoding progress.
-    pbi->cur_buf = &frame_bufs[cm->new_fb_idx];
-    pbi->cur_buf->row = -1;
-    pbi->cur_buf->col = -1;
-    vp10_frameworker_unlock_stats(worker);
-  } else {
-    pbi->cur_buf = &frame_bufs[cm->new_fb_idx];
-  }
-
-
-  if (setjmp(cm->error.jmp)) {
-    const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
-    int i;
-
-    cm->error.setjmp = 0;
-    pbi->ready_for_new_data = 1;
-
-    // Synchronize all threads immediately as a subsequent decode call may
-    // cause a resize invalidating some allocations.
-    winterface->sync(&pbi->lf_worker);
-    for (i = 0; i < pbi->num_tile_workers; ++i) {
-      winterface->sync(&pbi->tile_workers[i]);
-    }
-
-    lock_buffer_pool(pool);
-    // Release all the reference buffers if worker thread is holding them.
-    if (pbi->hold_ref_buf == 1) {
-      int ref_index = 0, mask;
-      for (mask = pbi->refresh_frame_flags; mask; mask >>= 1) {
-        const int old_idx = cm->ref_frame_map[ref_index];
-        // Current thread releases the holding of reference frame.
-        decrease_ref_count(old_idx, frame_bufs, pool);
-
-        // Release the reference frame in reference map.
-        if ((mask & 1) && old_idx >= 0) {
-          decrease_ref_count(old_idx, frame_bufs, pool);
-        }
-        ++ref_index;
-      }
-
-      // Current thread releases the holding of reference frame.
-      for (; ref_index < REF_FRAMES && !cm->show_existing_frame; ++ref_index) {
-        const int old_idx = cm->ref_frame_map[ref_index];
-        decrease_ref_count(old_idx, frame_bufs, pool);
-      }
-      pbi->hold_ref_buf = 0;
-    }
-    // Release current frame.
-    decrease_ref_count(cm->new_fb_idx, frame_bufs, pool);
-    unlock_buffer_pool(pool);
-
-    vpx_clear_system_state();
-    return -1;
-  }
-
-  cm->error.setjmp = 1;
-  vp10_decode_frame(pbi, source, source + size, psource);
-
-  swap_frame_buffers(pbi);
-
-  vpx_clear_system_state();
-
-  if (!cm->show_existing_frame) {
-    cm->last_show_frame = cm->show_frame;
-    cm->prev_frame = cm->cur_frame;
-    if (cm->seg.enabled && !cm->frame_parallel_decode)
-      vp10_swap_current_and_last_seg_map(cm);
-  }
-
-  // Update progress in frame parallel decode.
-  if (cm->frame_parallel_decode) {
-    // Need to lock the mutex here as another thread may
-    // be accessing this buffer.
-    VPxWorker *const worker = pbi->frame_worker_owner;
-    FrameWorkerData *const frame_worker_data = worker->data1;
-    vp10_frameworker_lock_stats(worker);
-
-    if (cm->show_frame) {
-      cm->current_video_frame++;
-    }
-    frame_worker_data->frame_decoded = 1;
-    frame_worker_data->frame_context_ready = 1;
-    vp10_frameworker_signal_stats(worker);
-    vp10_frameworker_unlock_stats(worker);
-  } else {
-    cm->last_width = cm->width;
-    cm->last_height = cm->height;
-    if (cm->show_frame) {
-      cm->current_video_frame++;
-    }
-  }
-
-  cm->error.setjmp = 0;
-  return retcode;
-}
-
-int vp10_get_raw_frame(VP10Decoder *pbi, YV12_BUFFER_CONFIG *sd,
-                      vp10_ppflags_t *flags) {
-  VP10_COMMON *const cm = &pbi->common;
-  int ret = -1;
-#if !CONFIG_VP9_POSTPROC
-  (void)*flags;
-#endif
-
-  if (pbi->ready_for_new_data == 1)
-    return ret;
-
-  pbi->ready_for_new_data = 1;
-
-  /* no raw frame to show!!! */
-  if (!cm->show_frame)
-    return ret;
-
-  pbi->ready_for_new_data = 1;
-
-#if CONFIG_VP9_POSTPROC
-  if (!cm->show_existing_frame) {
-    ret = vp10_post_proc_frame(cm, sd, flags);
-  } else {
-    *sd = *cm->frame_to_show;
-    ret = 0;
-  }
-#else
-  *sd = *cm->frame_to_show;
-  ret = 0;
-#endif /*!CONFIG_POSTPROC*/
-  vpx_clear_system_state();
-  return ret;
-}
-
-vpx_codec_err_t vp10_parse_superframe_index(const uint8_t *data,
-                                           size_t data_sz,
-                                           uint32_t sizes[8], int *count,
-                                           vpx_decrypt_cb decrypt_cb,
-                                           void *decrypt_state) {
-  // A chunk ending with a byte matching 0xc0 is an invalid chunk unless
-  // it is a super frame index. If the last byte of real video compression
-  // data is 0xc0 the encoder must add a 0 byte. If we have the marker but
-  // not the associated matching marker byte at the front of the index we have
-  // an invalid bitstream and need to return an error.
-
-  uint8_t marker;
-#if CONFIG_MISC_FIXES
-  size_t frame_sz_sum = 0;
-#endif
-
-  assert(data_sz);
-  marker = read_marker(decrypt_cb, decrypt_state, data + data_sz - 1);
-  *count = 0;
-
-  if ((marker & 0xe0) == 0xc0) {
-    const uint32_t frames = (marker & 0x7) + 1;
-    const uint32_t mag = ((marker >> 3) & 0x3) + 1;
-    const size_t index_sz = 2 + mag * (frames - CONFIG_MISC_FIXES);
-
-    // This chunk is marked as having a superframe index but doesn't have
-    // enough data for it, thus it's an invalid superframe index.
-    if (data_sz < index_sz)
-      return VPX_CODEC_CORRUPT_FRAME;
-
-    {
-      const uint8_t marker2 = read_marker(decrypt_cb, decrypt_state,
-                                          data + data_sz - index_sz);
-
-      // This chunk is marked as having a superframe index but doesn't have
-      // the matching marker byte at the front of the index therefore it's an
-      // invalid chunk.
-      if (marker != marker2)
-        return VPX_CODEC_CORRUPT_FRAME;
-    }
-
-    {
-      // Found a valid superframe index.
-      uint32_t i, j;
-      const uint8_t *x = &data[data_sz - index_sz + 1];
-
-      // Frames has a maximum of 8 and mag has a maximum of 4.
-      uint8_t clear_buffer[32];
-      assert(sizeof(clear_buffer) >= frames * mag);
-      if (decrypt_cb) {
-        decrypt_cb(decrypt_state, x, clear_buffer, frames * mag);
-        x = clear_buffer;
-      }
-
-      for (i = 0; i < frames - CONFIG_MISC_FIXES; ++i) {
-        uint32_t this_sz = 0;
-
-        for (j = 0; j < mag; ++j)
-          this_sz |= (*x++) << (j * 8);
-        this_sz += CONFIG_MISC_FIXES;
-        sizes[i] = this_sz;
-#if CONFIG_MISC_FIXES
-        frame_sz_sum += this_sz;
-#endif
-      }
-#if CONFIG_MISC_FIXES
-      sizes[i] = data_sz - index_sz - frame_sz_sum;
-#endif
-      *count = frames;
-    }
-  }
-  return VPX_CODEC_OK;
-}
diff --git a/vp10/decoder/decoder.h b/vp10/decoder/decoder.h
deleted file mode 100644
index 72a631020..000000000
--- a/vp10/decoder/decoder.h
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- *  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.
- */
-
-#ifndef VP10_DECODER_DECODER_H_
-#define VP10_DECODER_DECODER_H_
-
-#include "./vpx_config.h"
-
-#include "vpx/vpx_codec.h"
-#include "vpx_dsp/bitreader.h"
-#include "vpx_scale/yv12config.h"
-#include "vpx_util/vpx_thread.h"
-
-#include "vp10/common/thread_common.h"
-#include "vp10/common/onyxc_int.h"
-#include "vp10/common/ppflags.h"
-#include "vp10/decoder/dthread.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// TODO(hkuang): combine this with TileWorkerData.
-typedef struct TileData {
-  VP10_COMMON *cm;
-  vpx_reader bit_reader;
-  DECLARE_ALIGNED(16, MACROBLOCKD, xd);
-  /* dqcoeff are shared by all the planes. So planes must be decoded serially */
-  DECLARE_ALIGNED(16, tran_low_t, dqcoeff[32 * 32]);
-  DECLARE_ALIGNED(16, uint8_t, color_index_map[2][64 * 64]);
-} TileData;
-
-typedef struct TileWorkerData {
-  struct VP10Decoder *pbi;
-  vpx_reader bit_reader;
-  FRAME_COUNTS counts;
-  DECLARE_ALIGNED(16, MACROBLOCKD, xd);
-  /* dqcoeff are shared by all the planes. So planes must be decoded serially */
-  DECLARE_ALIGNED(16, tran_low_t, dqcoeff[32 * 32]);
-  DECLARE_ALIGNED(16, uint8_t, color_index_map[2][64 * 64]);
-  struct vpx_internal_error_info error_info;
-} TileWorkerData;
-
-typedef struct VP10Decoder {
-  DECLARE_ALIGNED(16, MACROBLOCKD, mb);
-
-  DECLARE_ALIGNED(16, VP10_COMMON, common);
-
-  int ready_for_new_data;
-
-  int refresh_frame_flags;
-
-  // TODO(hkuang): Combine this with cur_buf in macroblockd as they are
-  // the same.
-  RefCntBuffer *cur_buf;   //  Current decoding frame buffer.
-
-  VPxWorker *frame_worker_owner;   // frame_worker that owns this pbi.
-  VPxWorker lf_worker;
-  VPxWorker *tile_workers;
-  TileWorkerData *tile_worker_data;
-  TileInfo *tile_worker_info;
-  int num_tile_workers;
-
-  TileData *tile_data;
-  int total_tiles;
-
-  VP9LfSync lf_row_sync;
-
-  vpx_decrypt_cb decrypt_cb;
-  void *decrypt_state;
-
-  int max_threads;
-  int inv_tile_order;
-  int need_resync;  // wait for key/intra-only frame.
-  int hold_ref_buf;  // hold the reference buffer.
-} VP10Decoder;
-
-int vp10_receive_compressed_data(struct VP10Decoder *pbi,
-                                size_t size, const uint8_t **dest);
-
-int vp10_get_raw_frame(struct VP10Decoder *pbi, YV12_BUFFER_CONFIG *sd,
-                      vp10_ppflags_t *flags);
-
-vpx_codec_err_t vp10_copy_reference_dec(struct VP10Decoder *pbi,
-                                       VP9_REFFRAME ref_frame_flag,
-                                       YV12_BUFFER_CONFIG *sd);
-
-vpx_codec_err_t vp10_set_reference_dec(VP10_COMMON *cm,
-                                      VP9_REFFRAME ref_frame_flag,
-                                      YV12_BUFFER_CONFIG *sd);
-
-static INLINE uint8_t read_marker(vpx_decrypt_cb decrypt_cb,
-                                  void *decrypt_state,
-                                  const uint8_t *data) {
-  if (decrypt_cb) {
-    uint8_t marker;
-    decrypt_cb(decrypt_state, data, &marker, 1);
-    return marker;
-  }
-  return *data;
-}
-
-// This function is exposed for use in tests, as well as the inlined function
-// "read_marker".
-vpx_codec_err_t vp10_parse_superframe_index(const uint8_t *data,
-                                           size_t data_sz,
-                                           uint32_t sizes[8], int *count,
-                                           vpx_decrypt_cb decrypt_cb,
-                                           void *decrypt_state);
-
-struct VP10Decoder *vp10_decoder_create(BufferPool *const pool);
-
-void vp10_decoder_remove(struct VP10Decoder *pbi);
-
-static INLINE void decrease_ref_count(int idx, RefCntBuffer *const frame_bufs,
-                                      BufferPool *const pool) {
-  if (idx >= 0) {
-    --frame_bufs[idx].ref_count;
-    // A worker may only get a free framebuffer index when calling get_free_fb.
-    // But the private buffer is not set up until finish decoding header.
-    // So any error happens during decoding header, the frame_bufs will not
-    // have valid priv buffer.
-    if (frame_bufs[idx].ref_count == 0 &&
-        frame_bufs[idx].raw_frame_buffer.priv) {
-      pool->release_fb_cb(pool->cb_priv, &frame_bufs[idx].raw_frame_buffer);
-    }
-  }
-}
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif  // VP10_DECODER_DECODER_H_
diff --git a/vp10/decoder/detokenize.c b/vp10/decoder/detokenize.c
deleted file mode 100644
index cda988831..000000000
--- a/vp10/decoder/detokenize.c
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- *  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 "vpx_mem/vpx_mem.h"
-#include "vpx_ports/mem.h"
-
-#include "vp10/common/blockd.h"
-#include "vp10/common/common.h"
-#include "vp10/common/entropy.h"
-#if CONFIG_COEFFICIENT_RANGE_CHECKING
-#include "vp10/common/idct.h"
-#endif
-
-#include "vp10/decoder/detokenize.h"
-
-#define EOB_CONTEXT_NODE            0
-#define ZERO_CONTEXT_NODE           1
-#define ONE_CONTEXT_NODE            2
-#define LOW_VAL_CONTEXT_NODE        0
-#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 (counts)                                            \
-       ++coef_counts[band][ctx][token];                     \
-  } while (0)
-
-static INLINE int read_coeff(const vpx_prob *probs, int n, vpx_reader *r) {
-  int i, val = 0;
-  for (i = 0; i < n; ++i)
-    val = (val << 1) | vpx_read(r, probs[i]);
-  return val;
-}
-
-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,
-                        vpx_reader *r) {
-  FRAME_COUNTS *counts = xd->counts;
-  const int max_eob = 16 << (tx_size << 1);
-  const FRAME_CONTEXT *const fc = xd->fc;
-  const int ref = is_inter_block(&xd->mi[0]->mbmi);
-  int band, c = 0;
-  const vpx_prob (*coef_probs)[COEFF_CONTEXTS][UNCONSTRAINED_NODES] =
-      fc->coef_probs[tx_size][type][ref];
-  const vpx_prob *prob;
-  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 (xd->bd > VPX_BITS_8) {
-    if (xd->bd == VPX_BITS_10) {
-      cat1_prob = vp10_cat1_prob_high10;
-      cat2_prob = vp10_cat2_prob_high10;
-      cat3_prob = vp10_cat3_prob_high10;
-      cat4_prob = vp10_cat4_prob_high10;
-      cat5_prob = vp10_cat5_prob_high10;
-      cat6_prob = vp10_cat6_prob_high10;
-    } else {
-      cat1_prob = vp10_cat1_prob_high12;
-      cat2_prob = vp10_cat2_prob_high12;
-      cat3_prob = vp10_cat3_prob_high12;
-      cat4_prob = vp10_cat4_prob_high12;
-      cat5_prob = vp10_cat5_prob_high12;
-      cat6_prob = vp10_cat6_prob_high12;
-    }
-  } else {
-    cat1_prob = vp10_cat1_prob;
-    cat2_prob = vp10_cat2_prob;
-    cat3_prob = vp10_cat3_prob;
-    cat4_prob = vp10_cat4_prob;
-    cat5_prob = vp10_cat5_prob;
-    cat6_prob = vp10_cat6_prob;
-  }
-#else
-  cat1_prob = vp10_cat1_prob;
-  cat2_prob = vp10_cat2_prob;
-  cat3_prob = vp10_cat3_prob;
-  cat4_prob = vp10_cat4_prob;
-  cat5_prob = vp10_cat5_prob;
-  cat6_prob = vp10_cat6_prob;
-#endif
-
-  while (c < max_eob) {
-    int val = -1;
-    band = *band_translate++;
-    prob = coef_probs[band][ctx];
-    if (counts)
-      ++eob_branch_count[band][ctx];
-    if (!vpx_read(r, prob[EOB_CONTEXT_NODE])) {
-      INCREMENT_COUNT(EOB_MODEL_TOKEN);
-      break;
-    }
-
-    while (!vpx_read(r, prob[ZERO_CONTEXT_NODE])) {
-      INCREMENT_COUNT(ZERO_TOKEN);
-      dqv = dq[1];
-      token_cache[scan[c]] = 0;
-      ++c;
-      if (c >= max_eob)
-        return c;  // zero tokens at the end (no eob token)
-      ctx = get_coef_context(nb, token_cache, c);
-      band = *band_translate++;
-      prob = coef_probs[band][ctx];
-    }
-
-    if (!vpx_read(r, prob[ONE_CONTEXT_NODE])) {
-      INCREMENT_COUNT(ONE_TOKEN);
-      token = ONE_TOKEN;
-      val = 1;
-    } else {
-      INCREMENT_COUNT(TWO_TOKEN);
-      token = vpx_read_tree(r, vp10_coef_con_tree,
-                            vp10_pareto8_full[prob[PIVOT_NODE] - 1]);
-      switch (token) {
-        case TWO_TOKEN:
-        case THREE_TOKEN:
-        case FOUR_TOKEN:
-          val = token;
-          break;
-        case CATEGORY1_TOKEN:
-          val = CAT1_MIN_VAL + read_coeff(cat1_prob, 1, r);
-          break;
-        case CATEGORY2_TOKEN:
-          val = CAT2_MIN_VAL + read_coeff(cat2_prob, 2, r);
-          break;
-        case CATEGORY3_TOKEN:
-          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_MISC_FIXES
-          const int skip_bits = TX_SIZES - 1 - tx_size;
-#else
-          const int skip_bits = 0;
-#endif
-          const uint8_t *cat6p = cat6_prob + skip_bits;
-#if CONFIG_VP9_HIGHBITDEPTH
-          switch (xd->bd) {
-            case VPX_BITS_8:
-              val = CAT6_MIN_VAL + read_coeff(cat6p, 14 - skip_bits, r);
-              break;
-            case VPX_BITS_10:
-              val = CAT6_MIN_VAL + read_coeff(cat6p, 16 - skip_bits, r);
-              break;
-            case VPX_BITS_12:
-              val = CAT6_MIN_VAL + read_coeff(cat6p, 18 - skip_bits, r);
-              break;
-            default:
-              assert(0);
-              return -1;
-          }
-#else
-          val = CAT6_MIN_VAL + read_coeff(cat6p, 14 - skip_bits, r);
-#endif
-          break;
-        }
-      }
-    }
-    v = (val * dqv) >> dq_shift;
-#if CONFIG_COEFFICIENT_RANGE_CHECKING
-#if CONFIG_VP9_HIGHBITDEPTH
-    dqcoeff[scan[c]] = highbd_check_range((vpx_read_bit(r) ? -v : v),
-                                          xd->bd);
-#else
-    dqcoeff[scan[c]] = check_range(vpx_read_bit(r) ? -v : v);
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-#else
-    dqcoeff[scan[c]] = vpx_read_bit(r) ? -v : v;
-#endif  // CONFIG_COEFFICIENT_RANGE_CHECKING
-    token_cache[scan[c]] = vp10_pt_energy_class[token];
-    ++c;
-    ctx = get_coef_context(nb, token_cache, c);
-    dqv = dq[1];
-  }
-
-  return c;
-}
-
-// TODO(slavarnway): Decode version of vp10_set_context.  Modify vp10_set_context
-// after testing is complete, then delete this version.
-static
-void dec_set_contexts(const MACROBLOCKD *xd, struct macroblockd_plane *pd,
-                      TX_SIZE tx_size, int has_eob,
-                      int aoff, int loff) {
-  ENTROPY_CONTEXT *const a = pd->above_context + aoff;
-  ENTROPY_CONTEXT *const l = pd->left_context + loff;
-  const int tx_size_in_blocks = 1 << tx_size;
-
-  // above
-  if (has_eob && xd->mb_to_right_edge < 0) {
-    int i;
-    const int blocks_wide = pd->n4_w +
-                            (xd->mb_to_right_edge >> (5 + pd->subsampling_x));
-    int above_contexts = tx_size_in_blocks;
-    if (above_contexts + aoff > blocks_wide)
-      above_contexts = blocks_wide - aoff;
-
-    for (i = 0; i < above_contexts; ++i)
-      a[i] = has_eob;
-    for (i = above_contexts; i < tx_size_in_blocks; ++i)
-      a[i] = 0;
-  } else {
-    memset(a, has_eob, sizeof(ENTROPY_CONTEXT) * tx_size_in_blocks);
-  }
-
-  // left
-  if (has_eob && xd->mb_to_bottom_edge < 0) {
-    int i;
-    const int blocks_high = pd->n4_h +
-                            (xd->mb_to_bottom_edge >> (5 + pd->subsampling_y));
-    int left_contexts = tx_size_in_blocks;
-    if (left_contexts + loff > blocks_high)
-      left_contexts = blocks_high - loff;
-
-    for (i = 0; i < left_contexts; ++i)
-      l[i] = has_eob;
-    for (i = left_contexts; i < tx_size_in_blocks; ++i)
-      l[i] = 0;
-  } else {
-    memset(l, has_eob, sizeof(ENTROPY_CONTEXT) * tx_size_in_blocks);
-  }
-}
-
-void vp10_decode_palette_tokens(MACROBLOCKD *const xd, int plane,
-                                vpx_reader *r) {
-  MODE_INFO *const mi = xd->mi[0];
-  MB_MODE_INFO *const mbmi = &mi->mbmi;
-  const BLOCK_SIZE bsize = mbmi->sb_type;
-  int rows = 4 * num_4x4_blocks_high_lookup[bsize];
-  int cols = 4 * num_4x4_blocks_wide_lookup[bsize];
-  int color_idx, color_ctx, color_order[PALETTE_MAX_SIZE];
-  int n = mbmi->palette_mode_info.palette_size[plane != 0];
-  int i, j;
-  uint8_t *color_map = xd->plane[plane].color_index_map;
-  const vpx_prob (* prob)[PALETTE_COLOR_CONTEXTS][PALETTE_COLORS - 1] =
-      plane ? vp10_default_palette_uv_color_prob :
-          vp10_default_palette_y_color_prob;
-
-  for (i = 0; i < rows; ++i) {
-    for (j = (i == 0 ? 1 : 0); j < cols; ++j) {
-      color_ctx = vp10_get_palette_color_context(color_map, cols, i, j, n,
-                                                 color_order);
-      color_idx = vpx_read_tree(r, vp10_palette_color_tree[n - 2],
-                                prob[n - 2][color_ctx]);
-      assert(color_idx >= 0 && color_idx < n);
-      color_map[i * cols + j] = color_order[color_idx];
-    }
-  }
-}
-
-int vp10_decode_block_tokens(MACROBLOCKD *xd,
-                            int plane, const scan_order *sc,
-                            int x, int y,
-                            TX_SIZE tx_size, vpx_reader *r,
-                            int seg_id) {
-  struct macroblockd_plane *const pd = &xd->plane[plane];
-  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 int eob = decode_coefs(xd, pd->plane_type,
-                               pd->dqcoeff, tx_size,
-                               dequant, ctx, sc->scan, sc->neighbors, r);
-  dec_set_contexts(xd, pd, tx_size, eob > 0, x, y);
-  return eob;
-}
-
-
diff --git a/vp10/decoder/detokenize.h b/vp10/decoder/detokenize.h
deleted file mode 100644
index d2677f612..000000000
--- a/vp10/decoder/detokenize.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- *  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.
- */
-
-
-#ifndef VP10_DECODER_DETOKENIZE_H_
-#define VP10_DECODER_DETOKENIZE_H_
-
-#include "vpx_dsp/bitreader.h"
-#include "vp10/decoder/decoder.h"
-#include "vp10/common/scan.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void vp10_decode_palette_tokens(MACROBLOCKD *const xd, int plane,
-                                vpx_reader *r);
-int vp10_decode_block_tokens(MACROBLOCKD *xd,
-                            int plane, const scan_order *sc,
-                            int x, int y,
-                            TX_SIZE tx_size, vpx_reader *r,
-                            int seg_id);
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif  // VP10_DECODER_DETOKENIZE_H_
diff --git a/vp10/decoder/dsubexp.c b/vp10/decoder/dsubexp.c
deleted file mode 100644
index dbcdb4964..000000000
--- a/vp10/decoder/dsubexp.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
-  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 "vp10/common/entropy.h"
-
-#include "vp10/decoder/dsubexp.h"
-
-static int inv_recenter_nonneg(int v, int m) {
-  if (v > 2 * m)
-    return v;
-
-  return (v & 1) ? m - ((v + 1) >> 1) : m + (v >> 1);
-}
-
-static int decode_uniform(vpx_reader *r) {
-  const int l = 8;
-  const int m = (1 << l) - 191;
-  const int v = vpx_read_literal(r, l - 1);
-  return v < m ?  v : (v << 1) - m + vpx_read_bit(r);
-}
-
-static int inv_remap_prob(int v, int m) {
-  static int inv_map_table[MAX_PROB] = {
-      7,  20,  33,  46,  59,  72,  85,  98, 111, 124, 137, 150, 163, 176, 189,
-    202, 215, 228, 241, 254,   1,   2,   3,   4,   5,   6,   8,   9,  10,  11,
-     12,  13,  14,  15,  16,  17,  18,  19,  21,  22,  23,  24,  25,  26,  27,
-     28,  29,  30,  31,  32,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
-     44,  45,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  60,
-     61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  73,  74,  75,  76,
-     77,  78,  79,  80,  81,  82,  83,  84,  86,  87,  88,  89,  90,  91,  92,
-     93,  94,  95,  96,  97,  99, 100, 101, 102, 103, 104, 105, 106, 107, 108,
-    109, 110, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 125,
-    126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 138, 139, 140, 141,
-    142, 143, 144, 145, 146, 147, 148, 149, 151, 152, 153, 154, 155, 156, 157,
-    158, 159, 160, 161, 162, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173,
-    174, 175, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 190,
-    191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 203, 204, 205, 206,
-    207, 208, 209, 210, 211, 212, 213, 214, 216, 217, 218, 219, 220, 221, 222,
-    223, 224, 225, 226, 227, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238,
-    239, 240, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 253
-  };
-  assert(v < (int)(sizeof(inv_map_table) / sizeof(inv_map_table[0])));
-  v = inv_map_table[v];
-  m--;
-  if ((m << 1) <= MAX_PROB) {
-    return 1 + inv_recenter_nonneg(v, m);
-  } else {
-    return MAX_PROB - inv_recenter_nonneg(v, MAX_PROB - 1 - m);
-  }
-}
-
-static int decode_term_subexp(vpx_reader *r) {
-  if (!vpx_read_bit(r))
-    return vpx_read_literal(r, 4);
-  if (!vpx_read_bit(r))
-    return vpx_read_literal(r, 4) + 16;
-  if (!vpx_read_bit(r))
-    return vpx_read_literal(r, 5) + 32;
-  return decode_uniform(r) + 64;
-}
-
-void vp10_diff_update_prob(vpx_reader *r, vpx_prob* p) {
-  if (vpx_read(r, DIFF_UPDATE_PROB)) {
-    const int delp = decode_term_subexp(r);
-    *p = (vpx_prob)inv_remap_prob(delp, *p);
-  }
-}
diff --git a/vp10/decoder/dsubexp.h b/vp10/decoder/dsubexp.h
deleted file mode 100644
index 1a7ed9910..000000000
--- a/vp10/decoder/dsubexp.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- *  Copyright (c) 2013 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.
- */
-
-
-#ifndef VP10_DECODER_DSUBEXP_H_
-#define VP10_DECODER_DSUBEXP_H_
-
-#include "vpx_dsp/bitreader.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void vp10_diff_update_prob(vpx_reader *r, vpx_prob* p);
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif  // VP10_DECODER_DSUBEXP_H_
diff --git a/vp10/decoder/dthread.c b/vp10/decoder/dthread.c
deleted file mode 100644
index 4206adcb6..000000000
--- a/vp10/decoder/dthread.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- *  Copyright (c) 2014 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 "./vpx_config.h"
-#include "vpx_mem/vpx_mem.h"
-#include "vp10/common/reconinter.h"
-#include "vp10/decoder/dthread.h"
-#include "vp10/decoder/decoder.h"
-
-// #define DEBUG_THREAD
-
-// TODO(hkuang): Clean up all the #ifdef in this file.
-void vp10_frameworker_lock_stats(VPxWorker *const worker) {
-#if CONFIG_MULTITHREAD
-  FrameWorkerData *const worker_data = worker->data1;
-  pthread_mutex_lock(&worker_data->stats_mutex);
-#else
-  (void)worker;
-#endif
-}
-
-void vp10_frameworker_unlock_stats(VPxWorker *const worker) {
-#if CONFIG_MULTITHREAD
-  FrameWorkerData *const worker_data = worker->data1;
-  pthread_mutex_unlock(&worker_data->stats_mutex);
-#else
-  (void)worker;
-#endif
-}
-
-void vp10_frameworker_signal_stats(VPxWorker *const worker) {
-#if CONFIG_MULTITHREAD
-  FrameWorkerData *const worker_data = worker->data1;
-
-// TODO(hkuang): Fix the pthread_cond_broadcast in windows wrapper.
-#if defined(_WIN32) && !HAVE_PTHREAD_H
-  pthread_cond_signal(&worker_data->stats_cond);
-#else
-  pthread_cond_broadcast(&worker_data->stats_cond);
-#endif
-
-#else
-  (void)worker;
-#endif
-}
-
-// This macro prevents thread_sanitizer from reporting known concurrent writes.
-#if defined(__has_feature)
-#if __has_feature(thread_sanitizer)
-#define BUILDING_WITH_TSAN
-#endif
-#endif
-
-// TODO(hkuang): Remove worker parameter as it is only used in debug code.
-void vp10_frameworker_wait(VPxWorker *const worker, RefCntBuffer *const ref_buf,
-                          int row) {
-#if CONFIG_MULTITHREAD
-  if (!ref_buf)
-    return;
-
-#ifndef BUILDING_WITH_TSAN
-  // The following line of code will get harmless tsan error but it is the key
-  // to get best performance.
-  if (ref_buf->row >= row && ref_buf->buf.corrupted != 1) return;
-#endif
-
-  {
-    // Find the worker thread that owns the reference frame. If the reference
-    // frame has been fully decoded, it may not have owner.
-    VPxWorker *const ref_worker = ref_buf->frame_worker_owner;
-    FrameWorkerData *const ref_worker_data =
-        (FrameWorkerData *)ref_worker->data1;
-    const VP10Decoder *const pbi = ref_worker_data->pbi;
-
-#ifdef DEBUG_THREAD
-    {
-      FrameWorkerData *const worker_data = (FrameWorkerData *)worker->data1;
-      printf("%d %p worker is waiting for %d %p worker (%d)  ref %d \r\n",
-             worker_data->worker_id, worker, ref_worker_data->worker_id,
-             ref_buf->frame_worker_owner, row, ref_buf->row);
-    }
-#endif
-
-    vp10_frameworker_lock_stats(ref_worker);
-    while (ref_buf->row < row && pbi->cur_buf == ref_buf &&
-           ref_buf->buf.corrupted != 1) {
-      pthread_cond_wait(&ref_worker_data->stats_cond,
-                        &ref_worker_data->stats_mutex);
-    }
-
-    if (ref_buf->buf.corrupted == 1) {
-      FrameWorkerData *const worker_data = (FrameWorkerData *)worker->data1;
-      vp10_frameworker_unlock_stats(ref_worker);
-      vpx_internal_error(&worker_data->pbi->common.error,
-                         VPX_CODEC_CORRUPT_FRAME,
-                         "Worker %p failed to decode frame", worker);
-    }
-    vp10_frameworker_unlock_stats(ref_worker);
-  }
-#else
-  (void)worker;
-  (void)ref_buf;
-  (void)row;
-  (void)ref_buf;
-#endif  // CONFIG_MULTITHREAD
-}
-
-void vp10_frameworker_broadcast(RefCntBuffer *const buf, int row) {
-#if CONFIG_MULTITHREAD
-  VPxWorker *worker = buf->frame_worker_owner;
-
-#ifdef DEBUG_THREAD
-  {
-    FrameWorkerData *const worker_data = (FrameWorkerData *)worker->data1;
-    printf("%d %p worker decode to (%d) \r\n", worker_data->worker_id,
-           buf->frame_worker_owner, row);
-  }
-#endif
-
-  vp10_frameworker_lock_stats(worker);
-  buf->row = row;
-  vp10_frameworker_signal_stats(worker);
-  vp10_frameworker_unlock_stats(worker);
-#else
-  (void)buf;
-  (void)row;
-#endif  // CONFIG_MULTITHREAD
-}
-
-void vp10_frameworker_copy_context(VPxWorker *const dst_worker,
-                                  VPxWorker *const src_worker) {
-#if CONFIG_MULTITHREAD
-  FrameWorkerData *const src_worker_data = (FrameWorkerData *)src_worker->data1;
-  FrameWorkerData *const dst_worker_data = (FrameWorkerData *)dst_worker->data1;
-  VP10_COMMON *const src_cm = &src_worker_data->pbi->common;
-  VP10_COMMON *const dst_cm = &dst_worker_data->pbi->common;
-  int i;
-
-  // Wait until source frame's context is ready.
-  vp10_frameworker_lock_stats(src_worker);
-  while (!src_worker_data->frame_context_ready) {
-    pthread_cond_wait(&src_worker_data->stats_cond,
-        &src_worker_data->stats_mutex);
-  }
-
-  dst_cm->last_frame_seg_map = src_cm->seg.enabled ?
-      src_cm->current_frame_seg_map : src_cm->last_frame_seg_map;
-  dst_worker_data->pbi->need_resync = src_worker_data->pbi->need_resync;
-  vp10_frameworker_unlock_stats(src_worker);
-
-  dst_cm->bit_depth = src_cm->bit_depth;
-#if CONFIG_VP9_HIGHBITDEPTH
-  dst_cm->use_highbitdepth = src_cm->use_highbitdepth;
-#endif
-  dst_cm->prev_frame = src_cm->show_existing_frame ?
-                       src_cm->prev_frame : src_cm->cur_frame;
-  dst_cm->last_width = !src_cm->show_existing_frame ?
-                       src_cm->width : src_cm->last_width;
-  dst_cm->last_height = !src_cm->show_existing_frame ?
-                        src_cm->height : src_cm->last_height;
-  dst_cm->subsampling_x = src_cm->subsampling_x;
-  dst_cm->subsampling_y = src_cm->subsampling_y;
-  dst_cm->frame_type = src_cm->frame_type;
-  dst_cm->last_show_frame = !src_cm->show_existing_frame ?
-                            src_cm->show_frame : src_cm->last_show_frame;
-  for (i = 0; i < REF_FRAMES; ++i)
-    dst_cm->ref_frame_map[i] = src_cm->next_ref_frame_map[i];
-
-  memcpy(dst_cm->lf_info.lfthr, src_cm->lf_info.lfthr,
-         (MAX_LOOP_FILTER + 1) * sizeof(loop_filter_thresh));
-  dst_cm->lf.last_sharpness_level = src_cm->lf.sharpness_level;
-  dst_cm->lf.filter_level = src_cm->lf.filter_level;
-  memcpy(dst_cm->lf.ref_deltas, src_cm->lf.ref_deltas, MAX_REF_FRAMES);
-  memcpy(dst_cm->lf.mode_deltas, src_cm->lf.mode_deltas, MAX_MODE_LF_DELTAS);
-  dst_cm->seg = src_cm->seg;
-  memcpy(dst_cm->frame_contexts, src_cm->frame_contexts,
-         FRAME_CONTEXTS * sizeof(dst_cm->frame_contexts[0]));
-#else
-  (void) dst_worker;
-  (void) src_worker;
-#endif  // CONFIG_MULTITHREAD
-}
diff --git a/vp10/decoder/dthread.h b/vp10/decoder/dthread.h
deleted file mode 100644
index 1b0dc0191..000000000
--- a/vp10/decoder/dthread.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- *  Copyright (c) 2014 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.
- */
-
-#ifndef VP10_DECODER_DTHREAD_H_
-#define VP10_DECODER_DTHREAD_H_
-
-#include "./vpx_config.h"
-#include "vpx_util/vpx_thread.h"
-#include "vpx/internal/vpx_codec_internal.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct VP10Common;
-struct VP10Decoder;
-
-// WorkerData for the FrameWorker thread. It contains all the information of
-// the worker and decode structures for decoding a frame.
-typedef struct FrameWorkerData {
-  struct VP10Decoder *pbi;
-  const uint8_t *data;
-  const uint8_t *data_end;
-  size_t data_size;
-  void *user_priv;
-  int result;
-  int worker_id;
-  int received_frame;
-
-  // scratch_buffer is used in frame parallel mode only.
-  // It is used to make a copy of the compressed data.
-  uint8_t *scratch_buffer;
-  size_t scratch_buffer_size;
-
-#if CONFIG_MULTITHREAD
-  pthread_mutex_t stats_mutex;
-  pthread_cond_t stats_cond;
-#endif
-
-  int frame_context_ready;  // Current frame's context is ready to read.
-  int frame_decoded;        // Finished decoding current frame.
-} FrameWorkerData;
-
-void vp10_frameworker_lock_stats(VPxWorker *const worker);
-void vp10_frameworker_unlock_stats(VPxWorker *const worker);
-void vp10_frameworker_signal_stats(VPxWorker *const worker);
-
-// Wait until ref_buf has been decoded to row in real pixel unit.
-// Note: worker may already finish decoding ref_buf and release it in order to
-// start decoding next frame. So need to check whether worker is still decoding
-// ref_buf.
-void vp10_frameworker_wait(VPxWorker *const worker, RefCntBuffer *const ref_buf,
-                          int row);
-
-// FrameWorker broadcasts its decoding progress so other workers that are
-// waiting on it can resume decoding.
-void vp10_frameworker_broadcast(RefCntBuffer *const buf, int row);
-
-// Copy necessary decoding context from src worker to dst worker.
-void vp10_frameworker_copy_context(VPxWorker *const dst_worker,
-                                  VPxWorker *const src_worker);
-
-#ifdef __cplusplus
-}    // extern "C"
-#endif
-
-#endif  // VP10_DECODER_DTHREAD_H_