libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_postproc.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.
  */
 
@@ skipping 614 matching lines @@
   cm->postproc_state.prev_mip = cm->mip;
   cm->mip = temp;
 
   // Update the upper left visible macroblock ptrs.
   cm->mi = cm->mip + cm->mi_stride + 1;
   cm->postproc_state.prev_mi = cm->postproc_state.prev_mip + cm->mi_stride + 1;
 }
 
 int vp9_post_proc_frame(struct VP9Common *cm,
                         YV12_BUFFER_CONFIG *dest, vp9_ppflags_t *ppflags) {
-  const int q = MIN(63, cm->lf.filter_level * 10 / 6);
+  const int q = MIN(105, cm->lf.filter_level * 2);
   const int flags = ppflags->post_proc_flag;
   YV12_BUFFER_CONFIG *const ppbuf = &cm->post_proc_buffer;
   struct postproc_state *const ppstate = &cm->postproc_state;
 
   if (!cm->frame_to_show)
     return -1;
 
   if (!flags) {
     *dest = *cm->frame_to_show;
     return 0;
@@ skipping 97 matching lines @@
   /* handle problem with extending borders */
   dest->y_width = cm->width;
   dest->y_height = cm->height;
   dest->uv_width = dest->y_width >> cm->subsampling_x;
   dest->uv_height = dest->y_height >> cm->subsampling_y;
 
   swap_mi_and_prev_mi(cm);
   return 0;
 }
 #endif  // CONFIG_VP9_POSTPROC