libvpx: Add VP9 decoder.

source/libvpx/vp8/encoder/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 "./vpx_scale_rtcd.h"
 #include "vp8/common/onyxc_int.h"
 #include "onyx_int.h"
 #include "quantize.h"
 #include "vpx_mem/vpx_mem.h"
 #include "vpx_scale/vpxscale.h"
 #include "vp8/common/alloccommon.h"
 #include "vp8/common/loopfilter.h"
 #if ARCH_ARM
 #include "vpx_ports/arm.h"
 #endif
@@ skipping 375 matching lines @@
             filt_direction = (filt_best < filt_mid) ? -1 : 1;
             filt_mid = filt_best;
         }
     }
 
     cm->filter_level = filt_best;
 
     /* restore unfiltered frame pointer */
     cm->frame_to_show = saved_frame;
 }