libvpx: Add VP9 decoder.

source/libvpx/vpx_mem/memory_manager/hmm_true.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.
  */
 
 
 /* This code is in the public domain.
 ** Version: 1.1  Author: Walt Karas
 */
 
 #include "hmm_intrnl.h"
 
-U(size_aau) U(true_size)(void *payload_ptr)
-{
-    register  head_record *head_ptr = PTR_REC_TO_HEAD(payload_ptr);
+U(size_aau) U(true_size)(void *payload_ptr) {
+  register  head_record *head_ptr = PTR_REC_TO_HEAD(payload_ptr);
 
 #ifdef HMM_AUDIT_FAIL
-    AUDIT_BLOCK(head_ptr)
+  AUDIT_BLOCK(head_ptr)
 #endif
 
-    /* Convert block size from BAUs to AAUs.  Subtract head size, leaving
-    ** payload size.
-    */
-    return(
-              (BLOCK_BAUS(head_ptr) * ((U(size_aau)) HMM_BLOCK_ALIGN_UNIT)) -
-              HEAD_AAUS);
+  /* Convert block size from BAUs to AAUs.  Subtract head size, leaving
+  ** payload size.
+  */
+  return(
+          (BLOCK_BAUS(head_ptr) * ((U(size_aau)) HMM_BLOCK_ALIGN_UNIT)) -
+          HEAD_AAUS);
 }