media/base/data_source.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/data_source.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace media {
  10
  11 // static
  12 const int DataSource::kReadError = -1;
  13
  14 DataSourceHost::~DataSourceHost() {}
  15
  16 DataSource::DataSource() : host_(NULL) {}
  17
  18 DataSource::~DataSource() {}
  19
  20 void DataSource::set_host(DataSourceHost* host) {
  21   DCHECK(host);
  22   DCHECK(!host_);
  23   host_ = host;
  24 }
  25
  26 DataSourceHost* DataSource::host() { return host_; }
  27
  28 }  // namespace media