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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/audio/audio_manager.h"
#include "base/at_exit.h"
#include "base/atomicops.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/logging.h"
#include "base/message_loop/message_loop.h"
namespace media {
namespace {
AudioManager* g_last_created = NULL;
}
// Forward declaration of the platform specific AudioManager factory function.
AudioManager* CreateAudioManager();
AudioManager::AudioManager() {
}
AudioManager::~AudioManager() {
CHECK(g_last_created == NULL || g_last_created == this);
g_last_created = NULL;
}
// static
AudioManager* AudioManager::Create() {
CHECK(g_last_created == NULL);
g_last_created = CreateAudioManager();
return g_last_created;
}
// static
AudioManager* AudioManager::Get() {
return g_last_created;
}
} // namespace media
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