Add m-esr52 at 52.6.0

1 files changed, 1046 insertions, 0 deletions

diff --git a/media/libvpx/vp9/encoder/vp9_encodemb.c b/media/libvpx/vp9/encoder/vp9_encodemb.c
new file mode 100644
index 000000000..2829365e5
--- /dev/null
+++ b/media/libvpx/vp9/encoder/vp9_encodemb.c
@@ -0,0 +1,1046 @@
+/*
+ *  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 "./vp9_rtcd.h"
+#include "./vpx_config.h"
+
+#include "vpx_mem/vpx_mem.h"
+#include "vpx_ports/mem.h"
+
+#include "vp9/common/vp9_idct.h"
+#include "vp9/common/vp9_reconinter.h"
+#include "vp9/common/vp9_reconintra.h"
+#include "vp9/common/vp9_scan.h"
+#include "vp9/common/vp9_systemdependent.h"
+
+#include "vp9/encoder/vp9_encodemb.h"
+#include "vp9/encoder/vp9_quantize.h"
+#include "vp9/encoder/vp9_rd.h"
+#include "vp9/encoder/vp9_tokenize.h"
+
+struct optimize_ctx {
+  ENTROPY_CONTEXT ta[MAX_MB_PLANE][16];
+  ENTROPY_CONTEXT tl[MAX_MB_PLANE][16];
+};
+
+void vp9_subtract_block_c(int rows, int cols,
+                          int16_t *diff, ptrdiff_t diff_stride,
+                          const uint8_t *src, ptrdiff_t src_stride,
+                          const uint8_t *pred, ptrdiff_t pred_stride) {
+  int r, c;
+
+  for (r = 0; r < rows; r++) {
+    for (c = 0; c < cols; c++)
+      diff[c] = src[c] - pred[c];
+
+    diff += diff_stride;
+    pred += pred_stride;
+    src  += src_stride;
+  }
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp9_highbd_subtract_block_c(int rows, int cols,
+                                 int16_t *diff, ptrdiff_t diff_stride,
+                                 const uint8_t *src8, ptrdiff_t src_stride,
+                                 const uint8_t *pred8, ptrdiff_t pred_stride,
+                                 int bd) {
+  int r, c;
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
+  uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
+  (void) bd;
+
+  for (r = 0; r < rows; r++) {
+    for (c = 0; c < cols; c++) {
+      diff[c] = src[c] - pred[c];
+    }
+
+    diff += diff_stride;
+    pred += pred_stride;
+    src  += src_stride;
+  }
+}
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+
+void vp9_subtract_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) {
+  struct macroblock_plane *const p = &x->plane[plane];
+  const struct macroblockd_plane *const pd = &x->e_mbd.plane[plane];
+  const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
+  const int bw = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
+  const int bh = 4 * num_4x4_blocks_high_lookup[plane_bsize];
+
+#if CONFIG_VP9_HIGHBITDEPTH
+  if (x->e_mbd.cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+    vp9_highbd_subtract_block(bh, bw, p->src_diff, bw, p->src.buf,
+                              p->src.stride, pd->dst.buf, pd->dst.stride,
+                              x->e_mbd.bd);
+    return;
+  }
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+  vp9_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride,
+                     pd->dst.buf, pd->dst.stride);
+}
+
+#define RDTRUNC(RM, DM, R, D) ((128 + (R) * (RM)) & 0xFF)
+
+typedef struct vp9_token_state {
+  int           rate;
+  int           error;
+  int           next;
+  int16_t       token;
+  short         qc;
+} vp9_token_state;
+
+// TODO(jimbankoski): experiment to find optimal RD numbers.
+static const int plane_rd_mult[PLANE_TYPES] = { 4, 2 };
+
+#define UPDATE_RD_COST()\
+{\
+  rd_cost0 = RDCOST(rdmult, rddiv, rate0, error0);\
+  rd_cost1 = RDCOST(rdmult, rddiv, rate1, error1);\
+  if (rd_cost0 == rd_cost1) {\
+    rd_cost0 = RDTRUNC(rdmult, rddiv, rate0, error0);\
+    rd_cost1 = RDTRUNC(rdmult, rddiv, rate1, error1);\
+  }\
+}
+
+// This function is a place holder for now but may ultimately need
+// to scan previous tokens to work out the correct context.
+static int trellis_get_coeff_context(const int16_t *scan,
+                                     const int16_t *nb,
+                                     int idx, int token,
+                                     uint8_t *token_cache) {
+  int bak = token_cache[scan[idx]], pt;
+  token_cache[scan[idx]] = vp9_pt_energy_class[token];
+  pt = get_coef_context(nb, token_cache, idx + 1);
+  token_cache[scan[idx]] = bak;
+  return pt;
+}
+
+static int optimize_b(MACROBLOCK *mb, int plane, int block,
+                      TX_SIZE tx_size, int ctx) {
+  MACROBLOCKD *const xd = &mb->e_mbd;
+  struct macroblock_plane *const p = &mb->plane[plane];
+  struct macroblockd_plane *const pd = &xd->plane[plane];
+  const int ref = is_inter_block(&xd->mi[0]->mbmi);
+  vp9_token_state tokens[1025][2];
+  unsigned best_index[1025][2];
+  uint8_t token_cache[1024];
+  const tran_low_t *const coeff = BLOCK_OFFSET(mb->plane[plane].coeff, block);
+  tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
+  tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
+  const int eob = p->eobs[block];
+  const PLANE_TYPE type = pd->plane_type;
+  const int default_eob = 16 << (tx_size << 1);
+  const int mul = 1 + (tx_size == TX_32X32);
+  const int16_t *dequant_ptr = pd->dequant;
+  const uint8_t *const band_translate = get_band_translate(tx_size);
+  const scan_order *const so = get_scan(xd, tx_size, type, block);
+  const int16_t *const scan = so->scan;
+  const int16_t *const nb = so->neighbors;
+  int next = eob, sz = 0;
+  int64_t rdmult = mb->rdmult * plane_rd_mult[type], rddiv = mb->rddiv;
+  int64_t rd_cost0, rd_cost1;
+  int rate0, rate1, error0, error1;
+  int16_t t0, t1;
+  EXTRABIT e0;
+  int best, band, pt, i, final_eob;
+#if CONFIG_VP9_HIGHBITDEPTH
+  const int16_t *cat6_high_cost = vp9_get_high_cost_table(xd->bd);
+#else
+  const int16_t *cat6_high_cost = vp9_get_high_cost_table(8);
+#endif
+
+  assert((!type && !plane) || (type && plane));
+  assert(eob <= default_eob);
+
+  /* Now set up a Viterbi trellis to evaluate alternative roundings. */
+  if (!ref)
+    rdmult = (rdmult * 9) >> 4;
+
+  /* Initialize the sentinel node of the trellis. */
+  tokens[eob][0].rate = 0;
+  tokens[eob][0].error = 0;
+  tokens[eob][0].next = default_eob;
+  tokens[eob][0].token = EOB_TOKEN;
+  tokens[eob][0].qc = 0;
+  tokens[eob][1] = tokens[eob][0];
+
+  for (i = 0; i < eob; i++)
+    token_cache[scan[i]] =
+        vp9_pt_energy_class[vp9_get_token(qcoeff[scan[i]])];
+
+  for (i = eob; i-- > 0;) {
+    int base_bits, d2, dx;
+    const int rc = scan[i];
+    int x = qcoeff[rc];
+    /* Only add a trellis state for non-zero coefficients. */
+    if (x) {
+      int shortcut = 0;
+      error0 = tokens[next][0].error;
+      error1 = tokens[next][1].error;
+      /* Evaluate the first possibility for this state. */
+      rate0 = tokens[next][0].rate;
+      rate1 = tokens[next][1].rate;
+      vp9_get_token_extra(x, &t0, &e0);
+      /* Consider both possible successor states. */
+      if (next < default_eob) {
+        band = band_translate[i + 1];
+        pt = trellis_get_coeff_context(scan, nb, i, t0, token_cache);
+        rate0 += mb->token_costs[tx_size][type][ref][band][0][pt]
+                                [tokens[next][0].token];
+        rate1 += mb->token_costs[tx_size][type][ref][band][0][pt]
+                                [tokens[next][1].token];
+      }
+      UPDATE_RD_COST();
+      /* And pick the best. */
+      best = rd_cost1 < rd_cost0;
+      base_bits = vp9_get_cost(t0, e0, cat6_high_cost);
+      dx = mul * (dqcoeff[rc] - coeff[rc]);
+#if CONFIG_VP9_HIGHBITDEPTH
+      if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+        dx >>= xd->bd - 8;
+      }
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+      d2 = dx * dx;
+      tokens[i][0].rate = base_bits + (best ? rate1 : rate0);
+      tokens[i][0].error = d2 + (best ? error1 : error0);
+      tokens[i][0].next = next;
+      tokens[i][0].token = t0;
+      tokens[i][0].qc = x;
+      best_index[i][0] = best;
+
+      /* Evaluate the second possibility for this state. */
+      rate0 = tokens[next][0].rate;
+      rate1 = tokens[next][1].rate;
+
+      if ((abs(x) * dequant_ptr[rc != 0] > abs(coeff[rc]) * mul) &&
+          (abs(x) * dequant_ptr[rc != 0] < abs(coeff[rc]) * mul +
+                                               dequant_ptr[rc != 0]))
+        shortcut = 1;
+      else
+        shortcut = 0;
+
+      if (shortcut) {
+        sz = -(x < 0);
+        x -= 2 * sz + 1;
+      }
+
+      /* Consider both possible successor states. */
+      if (!x) {
+        /* If we reduced this coefficient to zero, check to see if
+         *  we need to move the EOB back here.
+         */
+        t0 = tokens[next][0].token == EOB_TOKEN ? EOB_TOKEN : ZERO_TOKEN;
+        t1 = tokens[next][1].token == EOB_TOKEN ? EOB_TOKEN : ZERO_TOKEN;
+        e0 = 0;
+      } else {
+        vp9_get_token_extra(x, &t0, &e0);
+        t1 = t0;
+      }
+      if (next < default_eob) {
+        band = band_translate[i + 1];
+        if (t0 != EOB_TOKEN) {
+          pt = trellis_get_coeff_context(scan, nb, i, t0, token_cache);
+          rate0 += mb->token_costs[tx_size][type][ref][band][!x][pt]
+                                  [tokens[next][0].token];
+        }
+        if (t1 != EOB_TOKEN) {
+          pt = trellis_get_coeff_context(scan, nb, i, t1, token_cache);
+          rate1 += mb->token_costs[tx_size][type][ref][band][!x][pt]
+                                  [tokens[next][1].token];
+        }
+      }
+
+      UPDATE_RD_COST();
+      /* And pick the best. */
+      best = rd_cost1 < rd_cost0;
+      base_bits = vp9_get_cost(t0, e0, cat6_high_cost);
+
+      if (shortcut) {
+#if CONFIG_VP9_HIGHBITDEPTH
+        if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+          dx -= ((dequant_ptr[rc != 0] >> (xd->bd - 8)) + sz) ^ sz;
+        } else {
+          dx -= (dequant_ptr[rc != 0] + sz) ^ sz;
+        }
+#else
+        dx -= (dequant_ptr[rc != 0] + sz) ^ sz;
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+        d2 = dx * dx;
+      }
+      tokens[i][1].rate = base_bits + (best ? rate1 : rate0);
+      tokens[i][1].error = d2 + (best ? error1 : error0);
+      tokens[i][1].next = next;
+      tokens[i][1].token = best ? t1 : t0;
+      tokens[i][1].qc = x;
+      best_index[i][1] = best;
+      /* Finally, make this the new head of the trellis. */
+      next = i;
+    } else {
+      /* There's no choice to make for a zero coefficient, so we don't
+       *  add a new trellis node, but we do need to update the costs.
+       */
+      band = band_translate[i + 1];
+      t0 = tokens[next][0].token;
+      t1 = tokens[next][1].token;
+      /* Update the cost of each path if we're past the EOB token. */
+      if (t0 != EOB_TOKEN) {
+        tokens[next][0].rate +=
+            mb->token_costs[tx_size][type][ref][band][1][0][t0];
+        tokens[next][0].token = ZERO_TOKEN;
+      }
+      if (t1 != EOB_TOKEN) {
+        tokens[next][1].rate +=
+            mb->token_costs[tx_size][type][ref][band][1][0][t1];
+        tokens[next][1].token = ZERO_TOKEN;
+      }
+      best_index[i][0] = best_index[i][1] = 0;
+      /* Don't update next, because we didn't add a new node. */
+    }
+  }
+
+  /* Now pick the best path through the whole trellis. */
+  band = band_translate[i + 1];
+  rate0 = tokens[next][0].rate;
+  rate1 = tokens[next][1].rate;
+  error0 = tokens[next][0].error;
+  error1 = tokens[next][1].error;
+  t0 = tokens[next][0].token;
+  t1 = tokens[next][1].token;
+  rate0 += mb->token_costs[tx_size][type][ref][band][0][ctx][t0];
+  rate1 += mb->token_costs[tx_size][type][ref][band][0][ctx][t1];
+  UPDATE_RD_COST();
+  best = rd_cost1 < rd_cost0;
+  final_eob = -1;
+  memset(qcoeff, 0, sizeof(*qcoeff) * (16 << (tx_size * 2)));
+  memset(dqcoeff, 0, sizeof(*dqcoeff) * (16 << (tx_size * 2)));
+  for (i = next; i < eob; i = next) {
+    const int x = tokens[i][best].qc;
+    const int rc = scan[i];
+    if (x) {
+      final_eob = i;
+    }
+
+    qcoeff[rc] = x;
+    dqcoeff[rc] = (x * dequant_ptr[rc != 0]) / mul;
+
+    next = tokens[i][best].next;
+    best = best_index[i][best];
+  }
+  final_eob++;
+
+  mb->plane[plane].eobs[block] = final_eob;
+  return final_eob;
+}
+
+static INLINE void fdct32x32(int rd_transform,
+                             const int16_t *src, tran_low_t *dst,
+                             int src_stride) {
+  if (rd_transform)
+    vp9_fdct32x32_rd(src, dst, src_stride);
+  else
+    vp9_fdct32x32(src, dst, src_stride);
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+static INLINE void highbd_fdct32x32(int rd_transform, const int16_t *src,
+                                    tran_low_t *dst, int src_stride) {
+  if (rd_transform)
+    vp9_highbd_fdct32x32_rd(src, dst, src_stride);
+  else
+    vp9_highbd_fdct32x32(src, dst, src_stride);
+}
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+
+void vp9_xform_quant_fp(MACROBLOCK *x, int plane, int block,
+                        BLOCK_SIZE plane_bsize, TX_SIZE tx_size) {
+  MACROBLOCKD *const xd = &x->e_mbd;
+  const struct macroblock_plane *const p = &x->plane[plane];
+  const struct macroblockd_plane *const pd = &xd->plane[plane];
+  const scan_order *const scan_order = &vp9_default_scan_orders[tx_size];
+  tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
+  tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
+  tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
+  uint16_t *const eob = &p->eobs[block];
+  const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
+  int i, j;
+  const int16_t *src_diff;
+  txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
+  src_diff = &p->src_diff[4 * (j * diff_stride + i)];
+
+#if CONFIG_VP9_HIGHBITDEPTH
+  if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+    switch (tx_size) {
+      case TX_32X32:
+        highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_fp_32x32(coeff, 1024, x->skip_block, p->zbin,
+                                     p->round_fp, p->quant_fp, p->quant_shift,
+                                     qcoeff, dqcoeff, pd->dequant,
+                                     eob, scan_order->scan,
+                                     scan_order->iscan);
+        break;
+      case TX_16X16:
+        vp9_highbd_fdct16x16(src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_fp(coeff, 256, x->skip_block, p->zbin, p->round_fp,
+                               p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
+                               pd->dequant, eob,
+                               scan_order->scan, scan_order->iscan);
+        break;
+      case TX_8X8:
+        vp9_highbd_fdct8x8(src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_fp(coeff, 64, x->skip_block, p->zbin, p->round_fp,
+                               p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
+                               pd->dequant, eob,
+                               scan_order->scan, scan_order->iscan);
+        break;
+      case TX_4X4:
+        x->fwd_txm4x4(src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_fp(coeff, 16, x->skip_block, p->zbin, p->round_fp,
+                               p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
+                               pd->dequant, eob,
+                               scan_order->scan, scan_order->iscan);
+        break;
+      default:
+        assert(0);
+    }
+    return;
+  }
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+
+  switch (tx_size) {
+    case TX_32X32:
+      fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
+      vp9_quantize_fp_32x32(coeff, 1024, x->skip_block, p->zbin, p->round_fp,
+                            p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
+                            pd->dequant, eob, scan_order->scan,
+                            scan_order->iscan);
+      break;
+    case TX_16X16:
+      vp9_fdct16x16(src_diff, coeff, diff_stride);
+      vp9_quantize_fp(coeff, 256, x->skip_block, p->zbin, p->round_fp,
+                      p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
+                      pd->dequant, eob,
+                      scan_order->scan, scan_order->iscan);
+      break;
+    case TX_8X8:
+      vp9_fdct8x8_quant(src_diff, diff_stride, coeff, 64,
+                        x->skip_block, p->zbin, p->round_fp,
+                        p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
+                        pd->dequant, eob,
+                        scan_order->scan, scan_order->iscan);
+      break;
+    case TX_4X4:
+      x->fwd_txm4x4(src_diff, coeff, diff_stride);
+      vp9_quantize_fp(coeff, 16, x->skip_block, p->zbin, p->round_fp,
+                      p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
+                      pd->dequant, eob,
+                      scan_order->scan, scan_order->iscan);
+      break;
+    default:
+      assert(0);
+      break;
+  }
+}
+
+void vp9_xform_quant_dc(MACROBLOCK *x, int plane, int block,
+                        BLOCK_SIZE plane_bsize, TX_SIZE tx_size) {
+  MACROBLOCKD *const xd = &x->e_mbd;
+  const struct macroblock_plane *const p = &x->plane[plane];
+  const struct macroblockd_plane *const pd = &xd->plane[plane];
+  tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
+  tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
+  tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
+  uint16_t *const eob = &p->eobs[block];
+  const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
+  int i, j;
+  const int16_t *src_diff;
+
+  txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
+  src_diff = &p->src_diff[4 * (j * diff_stride + i)];
+
+#if CONFIG_VP9_HIGHBITDEPTH
+  if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+    switch (tx_size) {
+      case TX_32X32:
+        vp9_highbd_fdct32x32_1(src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_dc_32x32(coeff, x->skip_block, p->round,
+                                     p->quant_fp[0], qcoeff, dqcoeff,
+                                     pd->dequant[0], eob);
+        break;
+      case TX_16X16:
+        vp9_highbd_fdct16x16_1(src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_dc(coeff, 256, x->skip_block, p->round,
+                               p->quant_fp[0], qcoeff, dqcoeff,
+                               pd->dequant[0], eob);
+        break;
+      case TX_8X8:
+        vp9_highbd_fdct8x8_1(src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_dc(coeff, 64, x->skip_block, p->round,
+                               p->quant_fp[0], qcoeff, dqcoeff,
+                               pd->dequant[0], eob);
+        break;
+      case TX_4X4:
+        x->fwd_txm4x4(src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_dc(coeff, 16, x->skip_block, p->round,
+                               p->quant_fp[0], qcoeff, dqcoeff,
+                               pd->dequant[0], eob);
+        break;
+      default:
+        assert(0);
+    }
+    return;
+  }
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+
+  switch (tx_size) {
+    case TX_32X32:
+      vp9_fdct32x32_1(src_diff, coeff, diff_stride);
+      vp9_quantize_dc_32x32(coeff, x->skip_block, p->round,
+                            p->quant_fp[0], qcoeff, dqcoeff,
+                            pd->dequant[0], eob);
+      break;
+    case TX_16X16:
+      vp9_fdct16x16_1(src_diff, coeff, diff_stride);
+      vp9_quantize_dc(coeff, 256, x->skip_block, p->round,
+                     p->quant_fp[0], qcoeff, dqcoeff,
+                     pd->dequant[0], eob);
+      break;
+    case TX_8X8:
+      vp9_fdct8x8_1(src_diff, coeff, diff_stride);
+      vp9_quantize_dc(coeff, 64, x->skip_block, p->round,
+                      p->quant_fp[0], qcoeff, dqcoeff,
+                      pd->dequant[0], eob);
+      break;
+    case TX_4X4:
+      x->fwd_txm4x4(src_diff, coeff, diff_stride);
+      vp9_quantize_dc(coeff, 16, x->skip_block, p->round,
+                      p->quant_fp[0], qcoeff, dqcoeff,
+                      pd->dequant[0], eob);
+      break;
+    default:
+      assert(0);
+      break;
+  }
+}
+
+void vp9_xform_quant(MACROBLOCK *x, int plane, int block,
+                     BLOCK_SIZE plane_bsize, TX_SIZE tx_size) {
+  MACROBLOCKD *const xd = &x->e_mbd;
+  const struct macroblock_plane *const p = &x->plane[plane];
+  const struct macroblockd_plane *const pd = &xd->plane[plane];
+  const scan_order *const scan_order = &vp9_default_scan_orders[tx_size];
+  tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
+  tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
+  tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
+  uint16_t *const eob = &p->eobs[block];
+  const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
+  int i, j;
+  const int16_t *src_diff;
+  txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
+  src_diff = &p->src_diff[4 * (j * diff_stride + i)];
+
+#if CONFIG_VP9_HIGHBITDEPTH
+  if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+     switch (tx_size) {
+      case TX_32X32:
+        highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin,
+                                    p->round, p->quant, p->quant_shift, qcoeff,
+                                    dqcoeff, pd->dequant, eob,
+                                    scan_order->scan, scan_order->iscan);
+        break;
+      case TX_16X16:
+        vp9_highbd_fdct16x16(src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
+                              p->quant, p->quant_shift, qcoeff, dqcoeff,
+                              pd->dequant, eob,
+                              scan_order->scan, scan_order->iscan);
+        break;
+      case TX_8X8:
+        vp9_highbd_fdct8x8(src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round,
+                              p->quant, p->quant_shift, qcoeff, dqcoeff,
+                              pd->dequant, eob,
+                              scan_order->scan, scan_order->iscan);
+        break;
+      case TX_4X4:
+        x->fwd_txm4x4(src_diff, coeff, diff_stride);
+        vp9_highbd_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round,
+                              p->quant, p->quant_shift, qcoeff, dqcoeff,
+                              pd->dequant, eob,
+                              scan_order->scan, scan_order->iscan);
+        break;
+      default:
+        assert(0);
+    }
+    return;
+  }
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+
+  switch (tx_size) {
+    case TX_32X32:
+      fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
+      vp9_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, p->round,
+                           p->quant, p->quant_shift, qcoeff, dqcoeff,
+                           pd->dequant, eob, scan_order->scan,
+                           scan_order->iscan);
+      break;
+    case TX_16X16:
+      vp9_fdct16x16(src_diff, coeff, diff_stride);
+      vp9_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
+                     p->quant, p->quant_shift, qcoeff, dqcoeff,
+                     pd->dequant, eob,
+                     scan_order->scan, scan_order->iscan);
+      break;
+    case TX_8X8:
+      vp9_fdct8x8(src_diff, coeff, diff_stride);
+      vp9_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round,
+                     p->quant, p->quant_shift, qcoeff, dqcoeff,
+                     pd->dequant, eob,
+                     scan_order->scan, scan_order->iscan);
+      break;
+    case TX_4X4:
+      x->fwd_txm4x4(src_diff, coeff, diff_stride);
+      vp9_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round,
+                     p->quant, p->quant_shift, qcoeff, dqcoeff,
+                     pd->dequant, eob,
+                     scan_order->scan, scan_order->iscan);
+      break;
+    default:
+      assert(0);
+      break;
+  }
+}
+
+static void encode_block(int plane, int block, BLOCK_SIZE plane_bsize,
+                         TX_SIZE tx_size, void *arg) {
+  struct encode_b_args *const args = arg;
+  MACROBLOCK *const x = args->x;
+  MACROBLOCKD *const xd = &x->e_mbd;
+  struct optimize_ctx *const ctx = args->ctx;
+  struct macroblock_plane *const p = &x->plane[plane];
+  struct macroblockd_plane *const pd = &xd->plane[plane];
+  tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
+  int i, j;
+  uint8_t *dst;
+  ENTROPY_CONTEXT *a, *l;
+  txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
+  dst = &pd->dst.buf[4 * j * pd->dst.stride + 4 * i];
+  a = &ctx->ta[plane][i];
+  l = &ctx->tl[plane][j];
+
+  // TODO(jingning): per transformed block zero forcing only enabled for
+  // luma component. will integrate chroma components as well.
+  if (x->zcoeff_blk[tx_size][block] && plane == 0) {
+    p->eobs[block] = 0;
+    *a = *l = 0;
+    return;
+  }
+
+  if (!x->skip_recode) {
+    if (x->quant_fp) {
+      // Encoding process for rtc mode
+      if (x->skip_txfm[0] == 1 && plane == 0) {
+        // skip forward transform
+        p->eobs[block] = 0;
+        *a = *l = 0;
+        return;
+      } else {
+        vp9_xform_quant_fp(x, plane, block, plane_bsize, tx_size);
+      }
+    } else {
+      if (max_txsize_lookup[plane_bsize] == tx_size) {
+        int txfm_blk_index = (plane << 2) + (block >> (tx_size << 1));
+        if (x->skip_txfm[txfm_blk_index] == 0) {
+          // full forward transform and quantization
+          vp9_xform_quant(x, plane, block, plane_bsize, tx_size);
+        } else if (x->skip_txfm[txfm_blk_index]== 2) {
+          // fast path forward transform and quantization
+          vp9_xform_quant_dc(x, plane, block, plane_bsize, tx_size);
+        } else {
+          // skip forward transform
+          p->eobs[block] = 0;
+          *a = *l = 0;
+          return;
+        }
+      } else {
+        vp9_xform_quant(x, plane, block, plane_bsize, tx_size);
+      }
+    }
+  }
+
+  if (x->optimize && (!x->skip_recode || !x->skip_optimize)) {
+    const int ctx = combine_entropy_contexts(*a, *l);
+    *a = *l = optimize_b(x, plane, block, tx_size, ctx) > 0;
+  } else {
+    *a = *l = p->eobs[block] > 0;
+  }
+
+  if (p->eobs[block])
+    *(args->skip) = 0;
+
+  if (x->skip_encode || p->eobs[block] == 0)
+    return;
+#if CONFIG_VP9_HIGHBITDEPTH
+  if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+    switch (tx_size) {
+      case TX_32X32:
+        vp9_highbd_idct32x32_add(dqcoeff, dst, pd->dst.stride,
+                                 p->eobs[block], xd->bd);
+        break;
+      case TX_16X16:
+        vp9_highbd_idct16x16_add(dqcoeff, dst, pd->dst.stride,
+                                 p->eobs[block], xd->bd);
+        break;
+      case TX_8X8:
+        vp9_highbd_idct8x8_add(dqcoeff, dst, pd->dst.stride,
+                               p->eobs[block], xd->bd);
+        break;
+      case TX_4X4:
+        // this is like vp9_short_idct4x4 but has a special case around eob<=1
+        // which is significant (not just an optimization) for the lossless
+        // case.
+        x->highbd_itxm_add(dqcoeff, dst, pd->dst.stride,
+                           p->eobs[block], xd->bd);
+        break;
+      default:
+        assert(0 && "Invalid transform size");
+    }
+    return;
+  }
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+
+  switch (tx_size) {
+    case TX_32X32:
+      vp9_idct32x32_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]);
+      break;
+    case TX_16X16:
+      vp9_idct16x16_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]);
+      break;
+    case TX_8X8:
+      vp9_idct8x8_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]);
+      break;
+    case TX_4X4:
+      // this is like vp9_short_idct4x4 but has a special case around eob<=1
+      // which is significant (not just an optimization) for the lossless
+      // case.
+      x->itxm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]);
+      break;
+    default:
+      assert(0 && "Invalid transform size");
+      break;
+  }
+}
+
+static void encode_block_pass1(int plane, int block, BLOCK_SIZE plane_bsize,
+                               TX_SIZE tx_size, void *arg) {
+  MACROBLOCK *const x = (MACROBLOCK *)arg;
+  MACROBLOCKD *const xd = &x->e_mbd;
+  struct macroblock_plane *const p = &x->plane[plane];
+  struct macroblockd_plane *const pd = &xd->plane[plane];
+  tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
+  int i, j;
+  uint8_t *dst;
+  txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
+  dst = &pd->dst.buf[4 * j * pd->dst.stride + 4 * i];
+
+  vp9_xform_quant(x, plane, block, plane_bsize, tx_size);
+
+  if (p->eobs[block] > 0) {
+#if CONFIG_VP9_HIGHBITDEPTH
+    if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+       x->highbd_itxm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block], xd->bd);
+       return;
+    }
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+    x->itxm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]);
+  }
+}
+
+void vp9_encode_sby_pass1(MACROBLOCK *x, BLOCK_SIZE bsize) {
+  vp9_subtract_plane(x, bsize, 0);
+  vp9_foreach_transformed_block_in_plane(&x->e_mbd, bsize, 0,
+                                         encode_block_pass1, x);
+}
+
+void vp9_encode_sb(MACROBLOCK *x, BLOCK_SIZE bsize) {
+  MACROBLOCKD *const xd = &x->e_mbd;
+  struct optimize_ctx ctx;
+  MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi;
+  struct encode_b_args arg = {x, &ctx, &mbmi->skip};
+  int plane;
+
+  mbmi->skip = 1;
+
+  if (x->skip)
+    return;
+
+  for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
+    if (!x->skip_recode)
+      vp9_subtract_plane(x, bsize, plane);
+
+    if (x->optimize && (!x->skip_recode || !x->skip_optimize)) {
+      const struct macroblockd_plane* const pd = &xd->plane[plane];
+      const TX_SIZE tx_size = plane ? get_uv_tx_size(mbmi, pd) : mbmi->tx_size;
+      vp9_get_entropy_contexts(bsize, tx_size, pd,
+                               ctx.ta[plane], ctx.tl[plane]);
+    }
+
+    vp9_foreach_transformed_block_in_plane(xd, bsize, plane, encode_block,
+                                           &arg);
+  }
+}
+
+void vp9_encode_block_intra(int plane, int block, BLOCK_SIZE plane_bsize,
+                               TX_SIZE tx_size, void *arg) {
+  struct encode_b_args* const args = arg;
+  MACROBLOCK *const x = args->x;
+  MACROBLOCKD *const xd = &x->e_mbd;
+  MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi;
+  struct macroblock_plane *const p = &x->plane[plane];
+  struct macroblockd_plane *const pd = &xd->plane[plane];
+  tran_low_t *coeff = BLOCK_OFFSET(p->coeff, block);
+  tran_low_t *qcoeff = BLOCK_OFFSET(p->qcoeff, block);
+  tran_low_t *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
+  const scan_order *scan_order;
+  TX_TYPE tx_type;
+  PREDICTION_MODE mode;
+  const int bwl = b_width_log2_lookup[plane_bsize];
+  const int diff_stride = 4 * (1 << bwl);
+  uint8_t *src, *dst;
+  int16_t *src_diff;
+  uint16_t *eob = &p->eobs[block];
+  const int src_stride = p->src.stride;
+  const int dst_stride = pd->dst.stride;
+  int i, j;
+  txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
+  dst = &pd->dst.buf[4 * (j * dst_stride + i)];
+  src = &p->src.buf[4 * (j * src_stride + i)];
+  src_diff = &p->src_diff[4 * (j * diff_stride + i)];
+
+#if CONFIG_VP9_HIGHBITDEPTH
+  if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
+    switch (tx_size) {
+      case TX_32X32:
+        scan_order = &vp9_default_scan_orders[TX_32X32];
+        mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
+        vp9_predict_intra_block(xd, block >> 6, bwl, TX_32X32, mode,
+                                x->skip_encode ? src : dst,
+                                x->skip_encode ? src_stride : dst_stride,
+                                dst, dst_stride, i, j, plane);
+        if (!x->skip_recode) {
+          vp9_highbd_subtract_block(32, 32, src_diff, diff_stride,
+                                    src, src_stride, dst, dst_stride, xd->bd);
+          highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
+          vp9_highbd_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin,
+                                      p->round, p->quant, p->quant_shift,
+                                      qcoeff, dqcoeff, pd->dequant, eob,
+                                      scan_order->scan, scan_order->iscan);
+        }
+        if (!x->skip_encode && *eob) {
+          vp9_highbd_idct32x32_add(dqcoeff, dst, dst_stride, *eob, xd->bd);
+        }
+        break;
+      case TX_16X16:
+        tx_type = get_tx_type(pd->plane_type, xd);
+        scan_order = &vp9_scan_orders[TX_16X16][tx_type];
+        mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
+        vp9_predict_intra_block(xd, block >> 4, bwl, TX_16X16, mode,
+                                x->skip_encode ? src : dst,
+                                x->skip_encode ? src_stride : dst_stride,
+                                dst, dst_stride, i, j, plane);
+        if (!x->skip_recode) {
+          vp9_highbd_subtract_block(16, 16, src_diff, diff_stride,
+                                    src, src_stride, dst, dst_stride, xd->bd);
+          vp9_highbd_fht16x16(src_diff, coeff, diff_stride, tx_type);
+          vp9_highbd_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
+                                p->quant, p->quant_shift, qcoeff, dqcoeff,
+                                pd->dequant, eob,
+                                scan_order->scan, scan_order->iscan);
+        }
+        if (!x->skip_encode && *eob) {
+          vp9_highbd_iht16x16_add(tx_type, dqcoeff, dst, dst_stride,
+                                  *eob, xd->bd);
+        }
+        break;
+      case TX_8X8:
+        tx_type = get_tx_type(pd->plane_type, xd);
+        scan_order = &vp9_scan_orders[TX_8X8][tx_type];
+        mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
+        vp9_predict_intra_block(xd, block >> 2, bwl, TX_8X8, mode,
+                                x->skip_encode ? src : dst,
+                                x->skip_encode ? src_stride : dst_stride,
+                                dst, dst_stride, i, j, plane);
+        if (!x->skip_recode) {
+          vp9_highbd_subtract_block(8, 8, src_diff, diff_stride,
+                                    src, src_stride, dst, dst_stride, xd->bd);
+          vp9_highbd_fht8x8(src_diff, coeff, diff_stride, tx_type);
+          vp9_highbd_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round,
+                                p->quant, p->quant_shift, qcoeff, dqcoeff,
+                                pd->dequant, eob,
+                                scan_order->scan, scan_order->iscan);
+        }
+        if (!x->skip_encode && *eob) {
+          vp9_highbd_iht8x8_add(tx_type, dqcoeff, dst, dst_stride, *eob,
+                                xd->bd);
+        }
+        break;
+      case TX_4X4:
+        tx_type = get_tx_type_4x4(pd->plane_type, xd, block);
+        scan_order = &vp9_scan_orders[TX_4X4][tx_type];
+        mode = plane == 0 ? get_y_mode(xd->mi[0], block) : mbmi->uv_mode;
+        vp9_predict_intra_block(xd, block, bwl, TX_4X4, mode,
+                                x->skip_encode ? src : dst,
+                                x->skip_encode ? src_stride : dst_stride,
+                                dst, dst_stride, i, j, plane);
+
+        if (!x->skip_recode) {
+          vp9_highbd_subtract_block(4, 4, src_diff, diff_stride,
+                                    src, src_stride, dst, dst_stride, xd->bd);
+          if (tx_type != DCT_DCT)
+            vp9_highbd_fht4x4(src_diff, coeff, diff_stride, tx_type);
+          else
+            x->fwd_txm4x4(src_diff, coeff, diff_stride);
+          vp9_highbd_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round,
+                                p->quant, p->quant_shift, qcoeff, dqcoeff,
+                                pd->dequant, eob,
+                                scan_order->scan, scan_order->iscan);
+        }
+
+        if (!x->skip_encode && *eob) {
+          if (tx_type == DCT_DCT) {
+            // this is like vp9_short_idct4x4 but has a special case around
+            // eob<=1 which is significant (not just an optimization) for the
+            // lossless case.
+            x->highbd_itxm_add(dqcoeff, dst, dst_stride, *eob, xd->bd);
+          } else {
+            vp9_highbd_iht4x4_16_add(dqcoeff, dst, dst_stride, tx_type, xd->bd);
+          }
+        }
+        break;
+      default:
+        assert(0);
+        return;
+    }
+    if (*eob)
+      *(args->skip) = 0;
+    return;
+  }
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+
+  switch (tx_size) {
+    case TX_32X32:
+      scan_order = &vp9_default_scan_orders[TX_32X32];
+      mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
+      vp9_predict_intra_block(xd, block >> 6, bwl, TX_32X32, mode,
+                              x->skip_encode ? src : dst,
+                              x->skip_encode ? src_stride : dst_stride,
+                              dst, dst_stride, i, j, plane);
+      if (!x->skip_recode) {
+        vp9_subtract_block(32, 32, src_diff, diff_stride,
+                           src, src_stride, dst, dst_stride);
+        fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
+        vp9_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, p->round,
+                             p->quant, p->quant_shift, qcoeff, dqcoeff,
+                             pd->dequant, eob, scan_order->scan,
+                             scan_order->iscan);
+      }
+      if (!x->skip_encode && *eob)
+        vp9_idct32x32_add(dqcoeff, dst, dst_stride, *eob);
+      break;
+    case TX_16X16:
+      tx_type = get_tx_type(pd->plane_type, xd);
+      scan_order = &vp9_scan_orders[TX_16X16][tx_type];
+      mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
+      vp9_predict_intra_block(xd, block >> 4, bwl, TX_16X16, mode,
+                              x->skip_encode ? src : dst,
+                              x->skip_encode ? src_stride : dst_stride,
+                              dst, dst_stride, i, j, plane);
+      if (!x->skip_recode) {
+        vp9_subtract_block(16, 16, src_diff, diff_stride,
+                           src, src_stride, dst, dst_stride);
+        vp9_fht16x16(src_diff, coeff, diff_stride, tx_type);
+        vp9_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
+                       p->quant, p->quant_shift, qcoeff, dqcoeff,
+                       pd->dequant, eob, scan_order->scan,
+                       scan_order->iscan);
+      }
+      if (!x->skip_encode && *eob)
+        vp9_iht16x16_add(tx_type, dqcoeff, dst, dst_stride, *eob);
+      break;
+    case TX_8X8:
+      tx_type = get_tx_type(pd->plane_type, xd);
+      scan_order = &vp9_scan_orders[TX_8X8][tx_type];
+      mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
+      vp9_predict_intra_block(xd, block >> 2, bwl, TX_8X8, mode,
+                              x->skip_encode ? src : dst,
+                              x->skip_encode ? src_stride : dst_stride,
+                              dst, dst_stride, i, j, plane);
+      if (!x->skip_recode) {
+        vp9_subtract_block(8, 8, src_diff, diff_stride,
+                           src, src_stride, dst, dst_stride);
+        vp9_fht8x8(src_diff, coeff, diff_stride, tx_type);
+        vp9_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round, p->quant,
+                       p->quant_shift, qcoeff, dqcoeff,
+                       pd->dequant, eob, scan_order->scan,
+                       scan_order->iscan);
+      }
+      if (!x->skip_encode && *eob)
+        vp9_iht8x8_add(tx_type, dqcoeff, dst, dst_stride, *eob);
+      break;
+    case TX_4X4:
+      tx_type = get_tx_type_4x4(pd->plane_type, xd, block);
+      scan_order = &vp9_scan_orders[TX_4X4][tx_type];
+      mode = plane == 0 ? get_y_mode(xd->mi[0], block) : mbmi->uv_mode;
+      vp9_predict_intra_block(xd, block, bwl, TX_4X4, mode,
+                              x->skip_encode ? src : dst,
+                              x->skip_encode ? src_stride : dst_stride,
+                              dst, dst_stride, i, j, plane);
+
+      if (!x->skip_recode) {
+        vp9_subtract_block(4, 4, src_diff, diff_stride,
+                           src, src_stride, dst, dst_stride);
+        if (tx_type != DCT_DCT)
+          vp9_fht4x4(src_diff, coeff, diff_stride, tx_type);
+        else
+          x->fwd_txm4x4(src_diff, coeff, diff_stride);
+        vp9_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round, p->quant,
+                       p->quant_shift, qcoeff, dqcoeff,
+                       pd->dequant, eob, scan_order->scan,
+                       scan_order->iscan);
+      }
+
+      if (!x->skip_encode && *eob) {
+        if (tx_type == DCT_DCT)
+          // this is like vp9_short_idct4x4 but has a special case around eob<=1
+          // which is significant (not just an optimization) for the lossless
+          // case.
+          x->itxm_add(dqcoeff, dst, dst_stride, *eob);
+        else
+          vp9_iht4x4_16_add(dqcoeff, dst, dst_stride, tx_type);
+      }
+      break;
+    default:
+      assert(0);
+      break;
+  }
+  if (*eob)
+    *(args->skip) = 0;
+}
+
+void vp9_encode_intra_block_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) {
+  const MACROBLOCKD *const xd = &x->e_mbd;
+  struct encode_b_args arg = {x, NULL, &xd->mi[0]->mbmi.skip};
+
+  vp9_foreach_transformed_block_in_plane(xd, bsize, plane,
+                                         vp9_encode_block_intra, &arg);
+}