libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_quantize.c

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include <math.h>
 
 #include "vpx_mem/vpx_mem.h"
 
 #include "vp9/common/vp9_quant_common.h"
 #include "vp9/common/vp9_seg_common.h"
 
 #include "vp9/encoder/vp9_encoder.h"
 #include "vp9/encoder/vp9_quantize.h"
 #include "vp9/encoder/vp9_rd.h"
 
 void vp9_quantize_dc(const int16_t *coeff_ptr, int skip_block,
                      const int16_t *round_ptr, const int16_t quant,
                      int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr,
                      const int16_t dequant_ptr, uint16_t *eob_ptr) {
-  int eob = -1;
+  const int rc = 0;
+  const int coeff = coeff_ptr[rc];
+  const int coeff_sign = (coeff >> 31);
+  const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+  int tmp, eob = -1;
 
   if (!skip_block) {
-    const int rc = 0;
-    const int coeff = coeff_ptr[rc];
-    const int coeff_sign = (coeff >> 31);
-    const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
-
-    int tmp = clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX);
+    tmp = clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX);
     tmp = (tmp * quant) >> 16;
     qcoeff_ptr[rc]  = (tmp ^ coeff_sign) - coeff_sign;
     dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr;
     if (tmp)
       eob = 0;
   }
   *eob_ptr = eob + 1;
 }
 
 void vp9_quantize_dc_32x32(const int16_t *coeff_ptr, int skip_block,
                            const int16_t *round_ptr, const int16_t quant,
                            int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr,
                            const int16_t dequant_ptr, uint16_t *eob_ptr) {
-  int eob = -1;
+  const int rc = 0;
+  const int coeff = coeff_ptr[rc];
+  const int coeff_sign = (coeff >> 31);
+  const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+  int tmp, eob = -1;
 
   if (!skip_block) {
-    const int rc = 0;
-    const int coeff = coeff_ptr[rc];
-    const int coeff_sign = (coeff >> 31);
-    const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
 
-    int tmp = clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX);
+    tmp = clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX);
     tmp = (tmp * quant) >> 15;
     qcoeff_ptr[rc]  = (tmp ^ coeff_sign) - coeff_sign;
     dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr / 2;
     if (tmp)
       eob = 0;
   }
   *eob_ptr = eob + 1;
 }
 
 void vp9_quantize_fp_c(const int16_t *coeff_ptr, intptr_t count,
@@ skipping 280 matching lines @@
   const int zbin = cpi->zbin_mode_boost;
   int i;
 
   // Y
   x->plane[0].quant = quants->y_quant[qindex];
   x->plane[0].quant_fp = quants->y_quant_fp[qindex];
   x->plane[0].round_fp = quants->y_round_fp[qindex];
   x->plane[0].quant_shift = quants->y_quant_shift[qindex];
   x->plane[0].zbin = quants->y_zbin[qindex];
   x->plane[0].round = quants->y_round[qindex];
+  x->plane[0].quant_thred[0] = cm->y_dequant[qindex][0] *
+                                  cm->y_dequant[qindex][0];
+  x->plane[0].quant_thred[1] = cm->y_dequant[qindex][1] *
+                                  cm->y_dequant[qindex][1];
   x->plane[0].zbin_extra = (int16_t)((cm->y_dequant[qindex][1] * zbin) >> 7);
   xd->plane[0].dequant = cm->y_dequant[qindex];
 
   // UV
   for (i = 1; i < 3; i++) {
     x->plane[i].quant = quants->uv_quant[qindex];
     x->plane[i].quant_fp = quants->uv_quant_fp[qindex];
     x->plane[i].round_fp = quants->uv_round_fp[qindex];
     x->plane[i].quant_shift = quants->uv_quant_shift[qindex];
     x->plane[i].zbin = quants->uv_zbin[qindex];
     x->plane[i].round = quants->uv_round[qindex];
+    x->plane[i].quant_thred[0] = cm->y_dequant[qindex][0] *
+                                    cm->y_dequant[qindex][0];
+    x->plane[i].quant_thred[1] = cm->y_dequant[qindex][1] *
+                                    cm->y_dequant[qindex][1];
     x->plane[i].zbin_extra = (int16_t)((cm->uv_dequant[qindex][1] * zbin) >> 7);
     xd->plane[i].dequant = cm->uv_dequant[qindex];
   }
 
   x->skip_block = vp9_segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP);
   x->q_index = qindex;
 
   x->errorperbit = rdmult >> 6;
   x->errorperbit += (x->errorperbit == 0);
 
@@ skipping 45 matching lines @@
 
 int vp9_qindex_to_quantizer(int qindex) {
   int quantizer;
 
   for (quantizer = 0; quantizer < 64; ++quantizer)
     if (quantizer_to_qindex[quantizer] >= qindex)
       return quantizer;
 
   return 63;
 }