libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_quantize.c

Index: source/libvpx/vp9/encoder/vp9_quantize.c
===================================================================
--- source/libvpx/vp9/encoder/vp9_quantize.c	(revision 282873)
+++ source/libvpx/vp9/encoder/vp9_quantize.c	(working copy)
@@ -104,6 +104,49 @@
   *eob_ptr = eob + 1;
 }
 
+// TODO(jingning) Refactor this file and combine functions with similar
+// operations.
+void vp9_quantize_fp_32x32_c(const int16_t *coeff_ptr, intptr_t n_coeffs,
+                             int skip_block,
+                             const int16_t *zbin_ptr, const int16_t *round_ptr,
+                             const int16_t *quant_ptr,
+                             const int16_t *quant_shift_ptr,
+                             int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr,
+                             const int16_t *dequant_ptr,
+                             int zbin_oq_value, uint16_t *eob_ptr,
+                             const int16_t *scan, const int16_t *iscan) {
+  int i, eob = -1;
+  (void)zbin_ptr;
+  (void)quant_shift_ptr;
+  (void)zbin_oq_value;
+  (void)iscan;
+
+  vpx_memset(qcoeff_ptr, 0, n_coeffs * sizeof(int16_t));
+  vpx_memset(dqcoeff_ptr, 0, n_coeffs * sizeof(int16_t));
+
+  if (!skip_block) {
+    for (i = 0; i < n_coeffs; i++) {
+      const int rc = scan[i];
+      const int coeff = coeff_ptr[rc];
+      const int coeff_sign = (coeff >> 31);
+      int tmp = 0;
+      int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
+
+      if (abs_coeff >= (dequant_ptr[rc != 0] >> 2)) {
+        abs_coeff += ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1);
+        abs_coeff = clamp(abs_coeff, INT16_MIN, INT16_MAX);
+        tmp = (abs_coeff * quant_ptr[rc != 0]) >> 15;
+        qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign;
+        dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / 2;
+      }
+
+      if (tmp)
+        eob = i;
+    }
+  }
+  *eob_ptr = eob + 1;
+}
+
 void vp9_quantize_b_c(const int16_t *coeff_ptr, intptr_t count,
                       int skip_block,
                       const int16_t *zbin_ptr, const int16_t *round_ptr,