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Removing vp9_get_coef_neighbors_handle function.

Change-Id: I6be72c8b048d1ccc7ef43764cf84c32360098970

--- a/vp9/common/vp9_entropy.c

+++ b/vp9/common/vp9_entropy.c

@@ -569,31 +569,6 @@

                       vp9_default_scan_32x32_neighbors);

 }

-const int16_t *vp9_get_coef_neighbors_handle(const int16_t *scan) {

-  if (scan == vp9_default_scan_4x4) {

-    return vp9_default_scan_4x4_neighbors;

-  } else if (scan == vp9_row_scan_4x4) {

-    return vp9_row_scan_4x4_neighbors;

-  } else if (scan == vp9_col_scan_4x4) {

-    return vp9_col_scan_4x4_neighbors;

-  } else if (scan == vp9_default_scan_8x8) {

-    return vp9_default_scan_8x8_neighbors;

-  } else if (scan == vp9_row_scan_8x8) {

-    return vp9_row_scan_8x8_neighbors;

-  } else if (scan == vp9_col_scan_8x8) {

-    return vp9_col_scan_8x8_neighbors;

-  } else if (scan == vp9_default_scan_16x16) {

-    return vp9_default_scan_16x16_neighbors;

-  } else if (scan == vp9_row_scan_16x16) {

-    return vp9_row_scan_16x16_neighbors;

-  } else if (scan == vp9_col_scan_16x16) {

-    return vp9_col_scan_16x16_neighbors;

-  } else {

-    assert(scan == vp9_default_scan_32x32);

-    return vp9_default_scan_32x32_neighbors;

-  }

-}

-

 void vp9_coef_tree_initialize() {

   vp9_init_neighbors();

   init_bit_trees();

--- a/vp9/common/vp9_entropy.h

+++ b/vp9/common/vp9_entropy.h

@@ -190,9 +190,6 @@

           token_cache[neighbors[MAX_NEIGHBORS * c + 1]]) >> 1;

 }

-const int16_t *vp9_get_coef_neighbors_handle(const int16_t *scan);

-

-

 // 128 lists of probabilities are stored for the following ONE node probs:

 // 1, 3, 5, 7, ..., 253, 255

 // In between probabilities are interpolated linearly

@@ -367,22 +364,24 @@

 static void get_scan_and_band(const MACROBLOCKD *xd, TX_SIZE tx_size,

                               PLANE_TYPE type, int block_idx,

                               const int16_t **scan,

+                              const int16_t **scan_nb,

                               const uint8_t **band_translate) {

   switch (tx_size) {

     case TX_4X4:

-      *scan = get_scan_4x4(get_tx_type_4x4(type, xd, block_idx));

+      get_scan_nb_4x4(get_tx_type_4x4(type, xd, block_idx), scan, scan_nb);

       *band_translate = vp9_coefband_trans_4x4;

       break;

     case TX_8X8:

-      *scan = get_scan_8x8(get_tx_type_8x8(type, xd));

+      get_scan_nb_8x8(get_tx_type_8x8(type, xd), scan, scan_nb);

       *band_translate = vp9_coefband_trans_8x8plus;

       break;

     case TX_16X16:

-      *scan = get_scan_16x16(get_tx_type_16x16(type, xd));

+      get_scan_nb_16x16(get_tx_type_16x16(type, xd), scan, scan_nb);

       *band_translate = vp9_coefband_trans_8x8plus;

       break;

     case TX_32X32:

       *scan = vp9_default_scan_32x32;

+      *scan_nb = vp9_default_scan_32x32_neighbors;

       *band_translate = vp9_coefband_trans_8x8plus;

       break;

     default:

--- a/vp9/decoder/vp9_detokenize.c

+++ b/vp9/decoder/vp9_detokenize.c

@@ -106,8 +106,7 @@

   const uint8_t *band_translate;

   uint8_t token_cache[1024];

   int pt = get_entropy_context(tx_size, A, L);

-  get_scan_and_band(xd, tx_size, type, block_idx, &scan, &band_translate);

-  nb = vp9_get_coef_neighbors_handle(scan);

+  get_scan_and_band(xd, tx_size, type, block_idx, &scan, &nb, &band_translate);

   while (1) {

     int val;

--- a/vp9/encoder/vp9_encodemb.c

+++ b/vp9/encoder/vp9_encodemb.c

@@ -172,7 +172,7 @@

   assert((!type && !plane) || (type && plane));

   dqcoeff_ptr = BLOCK_OFFSET(pd->dqcoeff, block);

   qcoeff_ptr = BLOCK_OFFSET(pd->qcoeff, block);

-  get_scan_and_band(xd, tx_size, type, ib, &scan, &band_translate);

+  get_scan_and_band(xd, tx_size, type, ib, &scan, &nb, &band_translate);

   assert(eob <= default_eob);

   /* Now set up a Viterbi trellis to evaluate alternative roundings. */

@@ -191,7 +191,6 @@

   for (i = 0; i < eob; i++)

     token_cache[scan[i]] = vp9_pt_energy_class[vp9_dct_value_tokens_ptr[

         qcoeff_ptr[scan[i]]].token];

-  nb = vp9_get_coef_neighbors_handle(scan);

   for (i = eob; i-- > i0;) {

     int base_bits, d2, dx;

--- a/vp9/encoder/vp9_rdopt.c

+++ b/vp9/encoder/vp9_rdopt.c

@@ -1097,6 +1097,7 @@

       for (idx = 0; idx < num_4x4_blocks_wide; ++idx) {

         int64_t ssz;

         const int16_t *scan;

+        const int16_t *nb;

         uint8_t *src = src_init + idx * 4 + idy * 4 * src_stride;

         uint8_t *dst = dst_init + idx * 4 + idy * 4 * dst_stride;

@@ -1122,10 +1123,10 @@

           x->quantize_b_4x4(x, block, tx_type, 16);

         }

-        scan = get_scan_4x4(get_tx_type_4x4(PLANE_TYPE_Y_WITH_DC, xd, block));

+        get_scan_nb_4x4(get_tx_type_4x4(PLANE_TYPE_Y_WITH_DC, xd, block),

+                        &scan, &nb);

         ratey += cost_coeffs(x, 0, block,

-                             tempa + idx, templ + idy, TX_4X4, scan,

-                             vp9_get_coef_neighbors_handle(scan));

+                             tempa + idx, templ + idy, TX_4X4, scan, nb);

         distortion += vp9_block_error(coeff, BLOCK_OFFSET(pd->dqcoeff, block),

                                       16, &ssz) >> 2;

         if (RDCOST(x->rdmult, x->rddiv, ratey, distortion) >= best_rd)

--- a/vp9/encoder/vp9_tokenize.c

+++ b/vp9/encoder/vp9_tokenize.c

@@ -137,8 +137,7 @@

   pt = get_entropy_context(tx_size, pd->above_context + aoff,

                                     pd->left_context + loff);

-  get_scan_and_band(xd, tx_size, type, block, &scan, &band_translate);

-  nb = vp9_get_coef_neighbors_handle(scan);

+  get_scan_and_band(xd, tx_size, type, block, &scan, &nb, &band_translate);

   c = 0;

   do {

     const int band = get_coef_band(band_translate, c);