media/base/djb2.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "media/base/djb2.h"
   6
   7 uint32 DJB2Hash(const void* buf, size_t len, uint32 seed) {
   8   const uint8* src = reinterpret_cast<const uint8*>(buf);
   9   uint32 hash = seed;
  10   for (size_t i = 0; i < len; ++i) {
  11     hash = hash * 33 + src[i];
  12   }
  13   return hash;
  14 }