libvpx: Add VP9 decoder.

source/libvpx/vpx_mem/memory_manager/hmm_largest.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(largest_available)(U(descriptor) *desc)
-{
-    U(size_bau) largest;
+U(size_aau) U(largest_available)(U(descriptor) *desc) {
+  U(size_bau) largest;
 
-    if (!(desc->avl_tree_root))
-        largest = 0;
-    else
-    {
+  if (!(desc->avl_tree_root))
+    largest = 0;
+  else {
 #ifdef HMM_AUDIT_FAIL
-        /* Audit root block in AVL tree. */
-        AUDIT_BLOCK(PTR_REC_TO_HEAD(desc->avl_tree_root))
+    /* Audit root block in AVL tree. */
+    AUDIT_BLOCK(PTR_REC_TO_HEAD(desc->avl_tree_root))
 #endif
 
-        largest =
-            BLOCK_BAUS(
-                PTR_REC_TO_HEAD(
-                    U(avl_search)(
-                        (U(avl_avl) *) & (desc->avl_tree_root),
-                        (U(size_bau)) ~(U(size_bau)) 0, AVL_LESS)));
-    }
+    largest =
+      BLOCK_BAUS(
+        PTR_REC_TO_HEAD(
+          U(avl_search)(
+            (U(avl_avl) *) & (desc->avl_tree_root),
+            (U(size_bau)) ~(U(size_bau)) 0, AVL_LESS)));
+  }
 
-    if (desc->last_freed)
-    {
-        /* Size of last freed block. */
-        register U(size_bau) lf_size;
+  if (desc->last_freed) {
+    /* Size of last freed block. */
+    register U(size_bau) lf_size;
 
 #ifdef HMM_AUDIT_FAIL
-        AUDIT_BLOCK(desc->last_freed)
+    AUDIT_BLOCK(desc->last_freed)
 #endif
 
-        lf_size = BLOCK_BAUS(desc->last_freed);
+    lf_size = BLOCK_BAUS(desc->last_freed);
 
-        if (lf_size > largest)
-            largest = lf_size;
-    }
+    if (lf_size > largest)
+      largest = lf_size;
+  }
 
-    /* Convert largest size to AAUs and subract head size leaving payload
-    ** size.
-    */
-    return(largest ?
-           ((largest * ((U(size_aau)) HMM_BLOCK_ALIGN_UNIT)) - HEAD_AAUS) :
-           0);
+  /* Convert largest size to AAUs and subract head size leaving payload
+  ** size.
+  */
+  return(largest ?
+         ((largest * ((U(size_aau)) HMM_BLOCK_ALIGN_UNIT)) - HEAD_AAUS) :
+         0);
 }