// 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/bind.h"
#include "base/bind_helpers.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
#include "base/message_loop/message_loop.h"
#include "media/audio/fake_audio_log_factory.h"
namespace media {
namespace {
AudioManager* g_last_created = NULL;
}
// Forward declaration of the platform specific AudioManager factory function.
AudioManager* CreateAudioManager(AudioLogFactory* audio_log_factory);
AudioManager::AudioManager() {}
AudioManager::~AudioManager() {
CHECK(!g_last_created || g_last_created == this);
g_last_created = NULL;
}
// static
AudioManager* AudioManager::Create(AudioLogFactory* audio_log_factory) {
CHECK(!g_last_created);
g_last_created = CreateAudioManager(audio_log_factory);
return g_last_created;
}
// static
AudioManager* AudioManager::CreateForTesting() {
static base::LazyInstance<FakeAudioLogFactory>::Leaky fake_log_factory =
LAZY_INSTANCE_INITIALIZER;
return Create(fake_log_factory.Pointer());
}
// static
AudioManager* AudioManager::Get() {
return g_last_created;
}
} // namespace media