libvpx: Pull from upstream

source/libvpx/vpx_dsp/fwd_txfm.c

 /*
  *  Copyright (c) 2015 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.
  */
 
@@ skipping 736 matching lines @@
 
   // Columns
   for (i = 0; i < 32; ++i) {
     tran_high_t temp_in[32], temp_out[32];
     for (j = 0; j < 32; ++j)
       temp_in[j] = input[j * stride + i] * 4;
     vpx_fdct32(temp_in, temp_out, 0);
     for (j = 0; j < 32; ++j)
       // TODO(cd): see quality impact of only doing
       //           output[j * 32 + i] = (temp_out[j] + 1) >> 2;
-      //           PS: also change code in vp9/encoder/x86/vp9_dct_sse2.c
+      //           PS: also change code in vpx_dsp/x86/vpx_dct_sse2.c
       output[j * 32 + i] = (temp_out[j] + 1 + (temp_out[j] > 0)) >> 2;
   }
 
   // Rows
   for (i = 0; i < 32; ++i) {
     tran_high_t temp_in[32], temp_out[32];
     for (j = 0; j < 32; ++j)
       temp_in[j] = output[j + i * 32];
     vpx_fdct32(temp_in, temp_out, 1);
     for (j = 0; j < 32; ++j)
@@ skipping 45 matching lines @@
 void vpx_highbd_fdct32x32_rd_c(const int16_t *input, tran_low_t *out,
                                int stride) {
   vpx_fdct32x32_rd_c(input, out, stride);
 }
 
 void vpx_highbd_fdct32x32_1_c(const int16_t *input, tran_low_t *out,
                               int stride) {
   vpx_fdct32x32_1_c(input, out, stride);
 }
 #endif  // CONFIG_VP9_HIGHBITDEPTH