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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 "content/renderer/media/audio_device_factory.h"
#include "base/logging.h"
#include "content/renderer/media/audio_input_message_filter.h"
#include "content/renderer/media/audio_message_filter.h"
#include "media/audio/audio_input_device.h"
#include "media/audio/audio_output_device.h"
namespace content {
// static
AudioDeviceFactory* AudioDeviceFactory::factory_ = NULL;
// static
scoped_refptr<media::AudioOutputDevice> AudioDeviceFactory::NewOutputDevice(
int render_view_id) {
if (factory_) {
media::AudioOutputDevice* const device =
factory_->CreateOutputDevice(render_view_id);
if (device)
return device;
}
AudioMessageFilter* const filter = AudioMessageFilter::Get();
return new media::AudioOutputDevice(
filter->CreateAudioOutputIPC(render_view_id), filter->io_message_loop());
}
// static
scoped_refptr<media::AudioInputDevice> AudioDeviceFactory::NewInputDevice(
int render_view_id) {
if (factory_) {
media::AudioInputDevice* const device =
factory_->CreateInputDevice(render_view_id);
if (device)
return device;
}
AudioInputMessageFilter* const filter = AudioInputMessageFilter::Get();
return new media::AudioInputDevice(
filter->CreateAudioInputIPC(render_view_id), filter->io_message_loop());
}
AudioDeviceFactory::AudioDeviceFactory() {
DCHECK(!factory_) << "Can't register two factories at once.";
factory_ = this;
}
AudioDeviceFactory::~AudioDeviceFactory() {
factory_ = NULL;
}
} // namespace content
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