audio_device_module_ios.h

/*

 *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.

 *  Use of this source code is governed by a BSD-style license

 *  that can be found in the LICENSE file in the root of the source

 *  tree. An additional intellectual property rights grant can be found

 *  in the file PATENTS.  All contributing project authors may

 *  be found in the AUTHORS file in the root of the source tree.

*/

#ifndef SDK_OBJC_NATIVE_SRC_AUDIO_AUDIO_DEVICE_MODULE_IOS_H_

#define SDK_OBJC_NATIVE_SRC_AUDIO_AUDIO_DEVICE_MODULE_IOS_H_

#include <memory>

#include "api/audio/audio_device.h"

#include "api/task_queue/task_queue_factory.h"

#include "audio_device_ios.h"

#include "modules/audio_device/audio_device_buffer.h"

#include "rtc_base/checks.h"

namespace webrtc {

class AudioDeviceGeneric;

namespace ios_adm {

class AudioDeviceModuleIOS : public AudioDeviceModule {

 public:

  int32_t AttachAudioBuffer();

  explicit AudioDeviceModuleIOS(

      bool bypass_voice_processing,

      MutedSpeechEventHandler muted_speech_event_handler);

  ~AudioDeviceModuleIOS() override;

  // Retrieve the currently utilized audio layer

  int32_t ActiveAudioLayer(AudioLayer* audioLayer) const override;

  // Full-duplex transportation of PCM audio

  int32_t RegisterAudioCallback(AudioTransport* audioCallback) override;

  // Main initializaton and termination

  int32_t Init() override;

  int32_t Terminate() override;

  bool Initialized() const override;

  // Device enumeration

  int16_t PlayoutDevices() override;

  int16_t RecordingDevices() override;

  int32_t PlayoutDeviceName(uint16_t index,

                            char name[kAdmMaxDeviceNameSize],

                            char guid[kAdmMaxGuidSize]) override;

  int32_t RecordingDeviceName(uint16_t index,

                              char name[kAdmMaxDeviceNameSize],

                              char guid[kAdmMaxGuidSize]) override;

  // Device selection

  int32_t SetPlayoutDevice(uint16_t index) override;

  int32_t SetPlayoutDevice(WindowsDeviceType device) override;

  int32_t SetRecordingDevice(uint16_t index) override;

  int32_t SetRecordingDevice(WindowsDeviceType device) override;

  // Audio transport initialization

  int32_t PlayoutIsAvailable(bool* available) override;

  int32_t InitPlayout() override;

  bool PlayoutIsInitialized() const override;

  int32_t RecordingIsAvailable(bool* available) override;

  int32_t InitRecording() override;

  bool RecordingIsInitialized() const override;

  // Audio transport control

  int32_t StartPlayout() override;

  int32_t StopPlayout() override;

  bool Playing() const override;

  int32_t StartRecording() override;

  int32_t StopRecording() override;

  bool Recording() const override;

  // Audio mixer initialization

  int32_t InitSpeaker() override;

  bool SpeakerIsInitialized() const override;

  int32_t InitMicrophone() override;

  bool MicrophoneIsInitialized() const override;

  // Speaker volume controls

  int32_t SpeakerVolumeIsAvailable(bool* available) override;

  int32_t SetSpeakerVolume(uint32_t volume) override;

  int32_t SpeakerVolume(uint32_t* volume) const override;

  int32_t MaxSpeakerVolume(uint32_t* maxVolume) const override;

  int32_t MinSpeakerVolume(uint32_t* minVolume) const override;

  // Microphone volume controls

  int32_t MicrophoneVolumeIsAvailable(bool* available) override;

  int32_t SetMicrophoneVolume(uint32_t volume) override;

  int32_t MicrophoneVolume(uint32_t* volume) const override;

  int32_t MaxMicrophoneVolume(uint32_t* maxVolume) const override;

  int32_t MinMicrophoneVolume(uint32_t* minVolume) const override;

  // Speaker mute control

  int32_t SpeakerMuteIsAvailable(bool* available) override;

  int32_t SetSpeakerMute(bool enable) override;

  int32_t SpeakerMute(bool* enabled) const override;

  // Microphone mute control

  int32_t MicrophoneMuteIsAvailable(bool* available) override;

  int32_t SetMicrophoneMute(bool enable) override;

  int32_t MicrophoneMute(bool* enabled) const override;

  // Stereo support

  int32_t StereoPlayoutIsAvailable(bool* available) const override;

  int32_t SetStereoPlayout(bool enable) override;

  int32_t StereoPlayout(bool* enabled) const override;

  int32_t StereoRecordingIsAvailable(bool* available) const override;

  int32_t SetStereoRecording(bool enable) override;

  int32_t StereoRecording(bool* enabled) const override;

  // Delay information and control

  int32_t PlayoutDelay(uint16_t* delayMS) const override;

  bool BuiltInAECIsAvailable() const override;

  int32_t EnableBuiltInAEC(bool enable) override;

  bool BuiltInAGCIsAvailable() const override;

  int32_t EnableBuiltInAGC(bool enable) override;

  bool BuiltInNSIsAvailable() const override;

  int32_t EnableBuiltInNS(bool enable) override;

  int32_t GetPlayoutUnderrunCount() const override;

#if defined(WEBRTC_IOS)

  int GetPlayoutAudioParameters(AudioParameters* params) const override;

  int GetRecordAudioParameters(AudioParameters* params) const override;

#endif  // WEBRTC_IOS

 private:

  const bool bypass_voice_processing_;

  MutedSpeechEventHandler muted_speech_event_handler_;

  bool initialized_ = false;

  const std::unique_ptr<TaskQueueFactory> task_queue_factory_;

  std::unique_ptr<AudioDeviceIOS> audio_device_;

  std::unique_ptr<AudioDeviceBuffer> audio_device_buffer_;

};

}  // namespace ios_adm

}  // namespace webrtc

#endif  // SDK_OBJC_NATIVE_SRC_AUDIO_AUDIO_DEVICE_MODULE_IOS_H_