145 lines
5.4 KiB
C++
145 lines
5.4 KiB
C++
/*
|
|
* Copyright (C) 2021 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <modules/audio_device/include/audio_device.h>
|
|
|
|
#include <atomic>
|
|
|
|
#include "host/frontend/webrtc/lib/audio_source.h"
|
|
|
|
namespace cuttlefish {
|
|
namespace webrtc_streaming {
|
|
|
|
class CfAudioDeviceModule : public webrtc::AudioDeviceModule,
|
|
public AudioSource {
|
|
public:
|
|
CfAudioDeviceModule();
|
|
~CfAudioDeviceModule() override = default;
|
|
|
|
// Returns number of frames if there is data available, 0 if the stream is not
|
|
// playing (no clients or the streams are muted), -1 on error.
|
|
int GetMoreAudioData(void* data, int bytes_per_samples, int samples_per_channel,
|
|
int num_channels, int sample_rate, bool& muted) override;
|
|
|
|
// Retrieve the currently utilized audio layer
|
|
int32_t ActiveAudioLayer(AudioLayer* audioLayer) const override;
|
|
|
|
// Full-duplex transportation of PCM audio
|
|
int32_t RegisterAudioCallback(webrtc::AudioTransport* audioCallback) override;
|
|
|
|
// Main initialization 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[webrtc::kAdmMaxDeviceNameSize],
|
|
char guid[webrtc::kAdmMaxGuidSize]) override;
|
|
int32_t RecordingDeviceName(uint16_t index,
|
|
char name[webrtc::kAdmMaxDeviceNameSize],
|
|
char guid[webrtc::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;
|
|
|
|
// Playout delay
|
|
int32_t PlayoutDelay(uint16_t* delayMS) const override;
|
|
|
|
// Only supported on Android.
|
|
bool BuiltInAECIsAvailable() const override;
|
|
bool BuiltInAGCIsAvailable() const override;
|
|
bool BuiltInNSIsAvailable() const override;
|
|
|
|
// Enables the built-in audio effects. Only supported on Android.
|
|
int32_t EnableBuiltInAEC(bool enable) override;
|
|
int32_t EnableBuiltInAGC(bool enable) override;
|
|
int32_t EnableBuiltInNS(bool enable) override;
|
|
|
|
// Play underrun count. Only supported on Android (guest).
|
|
int32_t GetPlayoutUnderrunCount() const override;
|
|
|
|
private:
|
|
webrtc::AudioTransport* audio_callback_ = nullptr;
|
|
bool stereo_playout_enabled_ = true;
|
|
bool stereo_recording_enabled_ = true;
|
|
std::atomic<bool> playing_ = false;
|
|
std::atomic<bool> recording_ = false;
|
|
};
|
|
} // namespace webrtc_streaming
|
|
} // namespace cuttlefish
|