libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_picklpf.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 <assert.h>
 #include <limits.h>
 
 #include "./vpx_scale_rtcd.h"
 
 #include "vpx_mem/vpx_mem.h"
+#include "vpx_ports/mem.h"
 
 #include "vp9/common/vp9_loopfilter.h"
 #include "vp9/common/vp9_onyxc_int.h"
 #include "vp9/common/vp9_quant_common.h"
 
 #include "vp9/encoder/vp9_encoder.h"
 #include "vp9/encoder/vp9_picklpf.h"
 #include "vp9/encoder/vp9_quantize.h"
 
 static int get_max_filter_level(const VP9_COMP *cpi) {
@@ skipping 155 matching lines @@
     int filt_guess = ROUND_POWER_OF_TWO(q * 20723 + 1015158, 18);
 #endif  // CONFIG_VP9_HIGHBITDEPTH
     if (cm->frame_type == KEY_FRAME)
       filt_guess -= 4;
     lf->filter_level = clamp(filt_guess, min_filter_level, max_filter_level);
   } else {
     lf->filter_level = search_filter_level(sd, cpi,
                                            method == LPF_PICK_FROM_SUBIMAGE);
   }
 }