|  | /* | 
|  | *  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 WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_IMPL_H | 
|  | #define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_IMPL_H | 
|  |  | 
|  | #include "webrtc/modules/audio_device/audio_device_buffer.h" | 
|  | #include "webrtc/modules/audio_device/include/audio_device.h" | 
|  |  | 
|  | namespace webrtc | 
|  | { | 
|  |  | 
|  | class AudioDeviceGeneric; | 
|  | class AudioDeviceUtility; | 
|  | class CriticalSectionWrapper; | 
|  |  | 
|  | class AudioDeviceModuleImpl : public AudioDeviceModule | 
|  | { | 
|  | public: | 
|  | 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); | 
|  | virtual ~AudioDeviceModuleImpl(); | 
|  |  | 
|  | public: // RefCountedModule | 
|  | virtual int64_t TimeUntilNextProcess() OVERRIDE; | 
|  | virtual int32_t Process() OVERRIDE; | 
|  |  | 
|  | public: | 
|  | // Factory methods (resource allocation/deallocation) | 
|  | static AudioDeviceModule* Create( | 
|  | const int32_t id, | 
|  | const AudioLayer audioLayer = kPlatformDefaultAudio); | 
|  |  | 
|  | // Retrieve the currently utilized audio layer | 
|  | virtual int32_t ActiveAudioLayer(AudioLayer* audioLayer) const OVERRIDE; | 
|  |  | 
|  | // Error handling | 
|  | virtual ErrorCode LastError() const OVERRIDE; | 
|  | virtual int32_t RegisterEventObserver( | 
|  | AudioDeviceObserver* eventCallback) OVERRIDE; | 
|  |  | 
|  | // Full-duplex transportation of PCM audio | 
|  | virtual int32_t RegisterAudioCallback( | 
|  | AudioTransport* audioCallback) OVERRIDE; | 
|  |  | 
|  | // Main initializaton and termination | 
|  | virtual int32_t Init() OVERRIDE; | 
|  | virtual int32_t Terminate() OVERRIDE; | 
|  | virtual bool Initialized() const OVERRIDE; | 
|  |  | 
|  | // Device enumeration | 
|  | virtual int16_t PlayoutDevices() OVERRIDE; | 
|  | virtual int16_t RecordingDevices() OVERRIDE; | 
|  | virtual int32_t PlayoutDeviceName( | 
|  | uint16_t index, | 
|  | char name[kAdmMaxDeviceNameSize], | 
|  | char guid[kAdmMaxGuidSize]) OVERRIDE; | 
|  | virtual int32_t RecordingDeviceName( | 
|  | uint16_t index, | 
|  | char name[kAdmMaxDeviceNameSize], | 
|  | char guid[kAdmMaxGuidSize]) OVERRIDE; | 
|  |  | 
|  | // Device selection | 
|  | virtual int32_t SetPlayoutDevice(uint16_t index) OVERRIDE; | 
|  | virtual int32_t SetPlayoutDevice(WindowsDeviceType device) OVERRIDE; | 
|  | virtual int32_t SetRecordingDevice(uint16_t index) OVERRIDE; | 
|  | virtual int32_t SetRecordingDevice(WindowsDeviceType device) OVERRIDE; | 
|  |  | 
|  | // Audio transport initialization | 
|  | virtual int32_t PlayoutIsAvailable(bool* available) OVERRIDE; | 
|  | virtual int32_t InitPlayout() OVERRIDE; | 
|  | virtual bool PlayoutIsInitialized() const OVERRIDE; | 
|  | virtual int32_t RecordingIsAvailable(bool* available) OVERRIDE; | 
|  | virtual int32_t InitRecording() OVERRIDE; | 
|  | virtual bool RecordingIsInitialized() const OVERRIDE; | 
|  |  | 
|  | // Audio transport control | 
|  | virtual int32_t StartPlayout() OVERRIDE; | 
|  | virtual int32_t StopPlayout() OVERRIDE; | 
|  | virtual bool Playing() const OVERRIDE; | 
|  | virtual int32_t StartRecording() OVERRIDE; | 
|  | virtual int32_t StopRecording() OVERRIDE; | 
|  | virtual bool Recording() const OVERRIDE; | 
|  |  | 
|  | // Microphone Automatic Gain Control (AGC) | 
|  | virtual int32_t SetAGC(bool enable) OVERRIDE; | 
|  | virtual bool AGC() const OVERRIDE; | 
|  |  | 
|  | // Volume control based on the Windows Wave API (Windows only) | 
|  | virtual int32_t SetWaveOutVolume(uint16_t volumeLeft, | 
|  | uint16_t volumeRight) OVERRIDE; | 
|  | virtual int32_t WaveOutVolume(uint16_t* volumeLeft, | 
|  | uint16_t* volumeRight) const OVERRIDE; | 
|  |  | 
|  | // Audio mixer initialization | 
|  | virtual int32_t InitSpeaker() OVERRIDE; | 
|  | virtual bool SpeakerIsInitialized() const OVERRIDE; | 
|  | virtual int32_t InitMicrophone() OVERRIDE; | 
|  | virtual bool MicrophoneIsInitialized() const OVERRIDE; | 
|  |  | 
|  | // Speaker volume controls | 
|  | virtual int32_t SpeakerVolumeIsAvailable(bool* available) OVERRIDE; | 
|  | virtual int32_t SetSpeakerVolume(uint32_t volume) OVERRIDE; | 
|  | virtual int32_t SpeakerVolume(uint32_t* volume) const OVERRIDE; | 
|  | virtual int32_t MaxSpeakerVolume(uint32_t* maxVolume) const OVERRIDE; | 
|  | virtual int32_t MinSpeakerVolume(uint32_t* minVolume) const OVERRIDE; | 
|  | virtual int32_t SpeakerVolumeStepSize( | 
|  | uint16_t* stepSize) const OVERRIDE; | 
|  |  | 
|  | // Microphone volume controls | 
|  | virtual int32_t MicrophoneVolumeIsAvailable(bool* available) OVERRIDE; | 
|  | virtual int32_t SetMicrophoneVolume(uint32_t volume) OVERRIDE; | 
|  | virtual int32_t MicrophoneVolume(uint32_t* volume) const OVERRIDE; | 
|  | virtual int32_t MaxMicrophoneVolume( | 
|  | uint32_t* maxVolume) const OVERRIDE; | 
|  | virtual int32_t MinMicrophoneVolume( | 
|  | uint32_t* minVolume) const OVERRIDE; | 
|  | virtual int32_t MicrophoneVolumeStepSize( | 
|  | uint16_t* stepSize) const OVERRIDE; | 
|  |  | 
|  | // Speaker mute control | 
|  | virtual int32_t SpeakerMuteIsAvailable(bool* available) OVERRIDE; | 
|  | virtual int32_t SetSpeakerMute(bool enable) OVERRIDE; | 
|  | virtual int32_t SpeakerMute(bool* enabled) const OVERRIDE; | 
|  |  | 
|  | // Microphone mute control | 
|  | virtual int32_t MicrophoneMuteIsAvailable(bool* available) OVERRIDE; | 
|  | virtual int32_t SetMicrophoneMute(bool enable) OVERRIDE; | 
|  | virtual int32_t MicrophoneMute(bool* enabled) const OVERRIDE; | 
|  |  | 
|  | // Microphone boost control | 
|  | virtual int32_t MicrophoneBoostIsAvailable(bool* available) OVERRIDE; | 
|  | virtual int32_t SetMicrophoneBoost(bool enable) OVERRIDE; | 
|  | virtual int32_t MicrophoneBoost(bool* enabled) const OVERRIDE; | 
|  |  | 
|  | // Stereo support | 
|  | virtual int32_t StereoPlayoutIsAvailable(bool* available) const OVERRIDE; | 
|  | virtual int32_t SetStereoPlayout(bool enable) OVERRIDE; | 
|  | virtual int32_t StereoPlayout(bool* enabled) const OVERRIDE; | 
|  | virtual int32_t StereoRecordingIsAvailable(bool* available) const OVERRIDE; | 
|  | virtual int32_t SetStereoRecording(bool enable) OVERRIDE; | 
|  | virtual int32_t StereoRecording(bool* enabled) const OVERRIDE; | 
|  | virtual int32_t SetRecordingChannel(const ChannelType channel) OVERRIDE; | 
|  | virtual int32_t RecordingChannel(ChannelType* channel) const OVERRIDE; | 
|  |  | 
|  | // Delay information and control | 
|  | virtual int32_t SetPlayoutBuffer(const BufferType type, | 
|  | uint16_t sizeMS = 0) OVERRIDE; | 
|  | virtual int32_t PlayoutBuffer(BufferType* type, | 
|  | uint16_t* sizeMS) const OVERRIDE; | 
|  | virtual int32_t PlayoutDelay(uint16_t* delayMS) const OVERRIDE; | 
|  | virtual int32_t RecordingDelay(uint16_t* delayMS) const OVERRIDE; | 
|  |  | 
|  | // CPU load | 
|  | virtual int32_t CPULoad(uint16_t* load) const OVERRIDE; | 
|  |  | 
|  | // Recording of raw PCM data | 
|  | virtual int32_t StartRawOutputFileRecording( | 
|  | const char pcmFileNameUTF8[kAdmMaxFileNameSize]) OVERRIDE; | 
|  | virtual int32_t StopRawOutputFileRecording() OVERRIDE; | 
|  | virtual int32_t StartRawInputFileRecording( | 
|  | const char pcmFileNameUTF8[kAdmMaxFileNameSize]) OVERRIDE; | 
|  | virtual int32_t StopRawInputFileRecording() OVERRIDE; | 
|  |  | 
|  | // Native sample rate controls (samples/sec) | 
|  | virtual int32_t SetRecordingSampleRate( | 
|  | const uint32_t samplesPerSec) OVERRIDE; | 
|  | virtual int32_t RecordingSampleRate( | 
|  | uint32_t* samplesPerSec) const OVERRIDE; | 
|  | virtual int32_t SetPlayoutSampleRate( | 
|  | const uint32_t samplesPerSec) OVERRIDE; | 
|  | virtual int32_t PlayoutSampleRate( | 
|  | uint32_t* samplesPerSec) const OVERRIDE; | 
|  |  | 
|  | // Mobile device specific functions | 
|  | virtual int32_t ResetAudioDevice() OVERRIDE; | 
|  | virtual int32_t SetLoudspeakerStatus(bool enable) OVERRIDE; | 
|  | virtual int32_t GetLoudspeakerStatus(bool* enabled) const OVERRIDE; | 
|  |  | 
|  | virtual bool BuiltInAECIsAvailable() const OVERRIDE; | 
|  |  | 
|  | virtual int32_t EnableBuiltInAEC(bool enable) OVERRIDE; | 
|  | virtual bool BuiltInAECIsEnabled() const OVERRIDE; | 
|  |  | 
|  | public: | 
|  | int32_t Id() {return _id;} | 
|  |  | 
|  | private: | 
|  | PlatformType Platform() const; | 
|  | AudioLayer PlatformAudioLayer() const; | 
|  |  | 
|  | private: | 
|  | CriticalSectionWrapper&     _critSect; | 
|  | CriticalSectionWrapper&     _critSectEventCb; | 
|  | CriticalSectionWrapper&     _critSectAudioCb; | 
|  |  | 
|  | AudioDeviceObserver*        _ptrCbAudioDeviceObserver; | 
|  |  | 
|  | AudioDeviceUtility*         _ptrAudioDeviceUtility; | 
|  | AudioDeviceGeneric*         _ptrAudioDevice; | 
|  |  | 
|  | AudioDeviceBuffer           _audioDeviceBuffer; | 
|  |  | 
|  | int32_t               _id; | 
|  | AudioLayer                  _platformAudioLayer; | 
|  | uint32_t              _lastProcessTime; | 
|  | PlatformType                _platformType; | 
|  | bool                        _initialized; | 
|  | mutable ErrorCode           _lastError; | 
|  | }; | 
|  |  | 
|  | }  // namespace webrtc | 
|  |  | 
|  | #endif  // WEBRTC_MODULES_INTERFACE_AUDIO_DEVICE_IMPL_H_ |