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// Copyright 2017 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.
#ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DELEGATE_IMPL_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DELEGATE_IMPL_H_
#include <memory>
#include <string>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/browser/renderer_host/media/audio_input_device_manager.h"
#include "content/common/content_export.h"
#include "media/audio/audio_input_delegate.h"
#include "media/mojo/interfaces/audio_logging.mojom.h"
namespace media {
class AudioManager;
class AudioInputController;
class AudioInputSyncWriter;
class AudioParameters;
class UserInputMonitor;
} // namespace media
namespace content {
class AudioInputDeviceManager;
class AudioMirroringManager;
struct MediaStreamDevice;
// This class is operated on the IO thread.
class CONTENT_EXPORT AudioInputDelegateImpl : public media::AudioInputDelegate {
public:
class ControllerEventHandler;
~AudioInputDelegateImpl() override;
static std::unique_ptr<media::AudioInputDelegate> Create(
media::AudioManager* audio_manager,
AudioMirroringManager* mirroring_manager,
media::UserInputMonitor* user_input_monitor,
int render_process_id,
int render_frame_id,
AudioInputDeviceManager* audio_input_device_manager,
media::mojom::AudioLogPtr audio_log,
AudioInputDeviceManager::KeyboardMicRegistration
keyboard_mic_registration,
uint32_t shared_memory_count,
int stream_id,
int session_id,
bool automatic_gain_control,
const media::AudioParameters& audio_parameters,
EventHandler* subscriber);
// AudioInputDelegate implementation.
int GetStreamId() override;
void OnRecordStream() override;
void OnSetVolume(double volume) override;
void OnSetOutputDeviceForAec(
const std::string& raw_output_device_id) override;
private:
AudioInputDelegateImpl(
media::AudioManager* audio_manager,
AudioMirroringManager* mirroring_manager,
media::UserInputMonitor* user_input_monitor,
const media::AudioParameters& audio_parameters,
int render_process_id,
media::mojom::AudioLogPtr audio_log,
AudioInputDeviceManager::KeyboardMicRegistration
keyboard_mic_registration,
int stream_id,
bool automatic_gain_control,
EventHandler* subscriber,
const MediaStreamDevice* device,
std::unique_ptr<media::AudioInputSyncWriter> writer,
std::unique_ptr<base::CancelableSyncSocket> foreign_socket);
void SendCreatedNotification(bool initially_muted);
void OnMuted(bool is_muted);
void OnError();
SEQUENCE_CHECKER(sequence_checker_);
// This is the event handler |this| sends notifications to.
EventHandler* const subscriber_;
// |controller_event_handler_| proxies events from controller to |this|.
// |controller_event_handler_| and |writer_| outlive |this|, see the
// destructor for details.
std::unique_ptr<ControllerEventHandler> controller_event_handler_;
std::unique_ptr<media::AudioInputSyncWriter> writer_;
std::unique_ptr<base::CancelableSyncSocket> foreign_socket_;
media::mojom::AudioLogPtr const audio_log_;
scoped_refptr<media::AudioInputController> controller_;
const AudioInputDeviceManager::KeyboardMicRegistration
keyboard_mic_registration_;
const int stream_id_;
const int render_process_id_;
base::WeakPtrFactory<AudioInputDelegateImpl> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(AudioInputDelegateImpl);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DELEGATE_IMPL_H_