blob: 69e32d4a3a3e47707a61a8c9edb15e4fc0e0253f [file] [log] [blame]
* 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.
#include <memory>
#include "webrtc/modules/audio_device/audio_device_buffer.h"
#include "webrtc/modules/audio_device/include/audio_device.h"
#include "webrtc/rtc_base/checks.h"
#include "webrtc/rtc_base/criticalsection.h"
namespace webrtc {
class AudioDeviceGeneric;
class AudioManager;
class AudioDeviceModuleImpl : public AudioDeviceModule {
enum PlatformType {
kPlatformNotSupported = 0,
kPlatformWin32 = 1,
kPlatformWinCe = 2,
kPlatformLinux = 3,
kPlatformMac = 4,
kPlatformAndroid = 5,
kPlatformIOS = 6
int32_t CheckPlatform();
int32_t CreatePlatformSpecificObjects();
int32_t AttachAudioBuffer();
AudioDeviceModuleImpl(const int32_t id, const AudioLayer audioLayer);
~AudioDeviceModuleImpl() override;
int64_t TimeUntilNextProcess() override;
void Process() override;
// Retrieve the currently utilized audio layer
int32_t ActiveAudioLayer(AudioLayer* audioLayer) const override;
// Error handling
ErrorCode LastError() const override;
int32_t RegisterEventObserver(AudioDeviceObserver* eventCallback) 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;
// Microphone Automatic Gain Control (AGC)
int32_t SetAGC(bool enable) override;
bool AGC() 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;
int32_t SetRecordingChannel(const ChannelType channel) override;
int32_t RecordingChannel(ChannelType* channel) const override;
// Delay information and control
int32_t PlayoutDelay(uint16_t* delayMS) const override;
int32_t RecordingDelay(uint16_t* delayMS) const override;
// Native sample rate controls (samples/sec)
int32_t SetRecordingSampleRate(const uint32_t samplesPerSec) override;
int32_t RecordingSampleRate(uint32_t* samplesPerSec) const override;
int32_t SetPlayoutSampleRate(const uint32_t samplesPerSec) override;
int32_t PlayoutSampleRate(uint32_t* samplesPerSec) const override;
// Mobile device specific functions
int32_t SetLoudspeakerStatus(bool enable) override;
int32_t GetLoudspeakerStatus(bool* enabled) 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;
#if defined(WEBRTC_IOS)
int GetPlayoutAudioParameters(AudioParameters* params) const override;
int GetRecordAudioParameters(AudioParameters* params) const override;
#endif // WEBRTC_IOS
int32_t Id() { return _id; }
#if defined(WEBRTC_ANDROID)
// Only use this acccessor for test purposes on Android.
AudioManager* GetAndroidAudioManagerForTest() {
return _audioManagerAndroid.get();
AudioDeviceBuffer* GetAudioDeviceBuffer() { return &_audioDeviceBuffer; }
PlatformType Platform() const;
AudioLayer PlatformAudioLayer() const;
rtc::CriticalSection _critSect;
rtc::CriticalSection _critSectEventCb;
rtc::CriticalSection _critSectAudioCb;
AudioDeviceObserver* _ptrCbAudioDeviceObserver;
AudioDeviceGeneric* _ptrAudioDevice;
AudioDeviceBuffer _audioDeviceBuffer;
#if defined(WEBRTC_ANDROID)
std::unique_ptr<AudioManager> _audioManagerAndroid;
int32_t _id;
AudioLayer _platformAudioLayer;
int64_t _lastProcessTime;
PlatformType _platformType;
bool _initialized;
mutable ErrorCode _lastError;
} // namespace webrtc