| /* |
| * 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 "audio_device.h" |
| #include "audio_device_buffer.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 int32_t ChangeUniqueId(const int32_t id); |
| virtual int32_t TimeUntilNextProcess(); |
| virtual int32_t Process(); |
| |
| 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; |
| |
| // Error handling |
| virtual ErrorCode LastError() const; |
| virtual int32_t RegisterEventObserver( |
| AudioDeviceObserver* eventCallback); |
| |
| // Full-duplex transportation of PCM audio |
| virtual int32_t RegisterAudioCallback( |
| AudioTransport* audioCallback); |
| |
| // Main initializaton and termination |
| virtual int32_t Init(); |
| virtual int32_t Terminate(); |
| virtual bool Initialized() const; |
| |
| // Device enumeration |
| virtual int16_t PlayoutDevices(); |
| virtual int16_t RecordingDevices(); |
| virtual int32_t PlayoutDeviceName( |
| uint16_t index, |
| char name[kAdmMaxDeviceNameSize], |
| char guid[kAdmMaxGuidSize]); |
| virtual int32_t RecordingDeviceName( |
| uint16_t index, |
| char name[kAdmMaxDeviceNameSize], |
| char guid[kAdmMaxGuidSize]); |
| |
| // Device selection |
| virtual int32_t SetPlayoutDevice(uint16_t index); |
| virtual int32_t SetPlayoutDevice(WindowsDeviceType device); |
| virtual int32_t SetRecordingDevice(uint16_t index); |
| virtual int32_t SetRecordingDevice(WindowsDeviceType device); |
| |
| // Audio transport initialization |
| virtual int32_t PlayoutIsAvailable(bool* available); |
| virtual int32_t InitPlayout(); |
| virtual bool PlayoutIsInitialized() const; |
| virtual int32_t RecordingIsAvailable(bool* available); |
| virtual int32_t InitRecording(); |
| virtual bool RecordingIsInitialized() const; |
| |
| // Audio transport control |
| virtual int32_t StartPlayout(); |
| virtual int32_t StopPlayout(); |
| virtual bool Playing() const; |
| virtual int32_t StartRecording(); |
| virtual int32_t StopRecording(); |
| virtual bool Recording() const; |
| |
| // Microphone Automatic Gain Control (AGC) |
| virtual int32_t SetAGC(bool enable); |
| virtual bool AGC() const; |
| |
| // Volume control based on the Windows Wave API (Windows only) |
| virtual int32_t SetWaveOutVolume(uint16_t volumeLeft, uint16_t volumeRight); |
| virtual int32_t WaveOutVolume(uint16_t* volumeLeft, |
| uint16_t* volumeRight) const; |
| |
| // Audio mixer initialization |
| virtual int32_t SpeakerIsAvailable(bool* available); |
| virtual int32_t InitSpeaker(); |
| virtual bool SpeakerIsInitialized() const; |
| virtual int32_t MicrophoneIsAvailable(bool* available); |
| virtual int32_t InitMicrophone(); |
| virtual bool MicrophoneIsInitialized() const; |
| |
| // Speaker volume controls |
| virtual int32_t SpeakerVolumeIsAvailable(bool* available); |
| virtual int32_t SetSpeakerVolume(uint32_t volume); |
| virtual int32_t SpeakerVolume(uint32_t* volume) const; |
| virtual int32_t MaxSpeakerVolume(uint32_t* maxVolume) const; |
| virtual int32_t MinSpeakerVolume(uint32_t* minVolume) const; |
| virtual int32_t SpeakerVolumeStepSize( |
| uint16_t* stepSize) const; |
| |
| // Microphone volume controls |
| virtual int32_t MicrophoneVolumeIsAvailable(bool* available); |
| virtual int32_t SetMicrophoneVolume(uint32_t volume); |
| virtual int32_t MicrophoneVolume(uint32_t* volume) const; |
| virtual int32_t MaxMicrophoneVolume( |
| uint32_t* maxVolume) const; |
| virtual int32_t MinMicrophoneVolume( |
| uint32_t* minVolume) const; |
| virtual int32_t MicrophoneVolumeStepSize( |
| uint16_t* stepSize) const; |
| |
| // Speaker mute control |
| virtual int32_t SpeakerMuteIsAvailable(bool* available); |
| virtual int32_t SetSpeakerMute(bool enable); |
| virtual int32_t SpeakerMute(bool* enabled) const; |
| |
| // Microphone mute control |
| virtual int32_t MicrophoneMuteIsAvailable(bool* available); |
| virtual int32_t SetMicrophoneMute(bool enable); |
| virtual int32_t MicrophoneMute(bool* enabled) const; |
| |
| // Microphone boost control |
| virtual int32_t MicrophoneBoostIsAvailable(bool* available); |
| virtual int32_t SetMicrophoneBoost(bool enable); |
| virtual int32_t MicrophoneBoost(bool* enabled) const; |
| |
| // Stereo support |
| virtual int32_t StereoPlayoutIsAvailable(bool* available) const; |
| virtual int32_t SetStereoPlayout(bool enable); |
| virtual int32_t StereoPlayout(bool* enabled) const; |
| virtual int32_t StereoRecordingIsAvailable(bool* available) const; |
| virtual int32_t SetStereoRecording(bool enable); |
| virtual int32_t StereoRecording(bool* enabled) const; |
| virtual int32_t SetRecordingChannel(const ChannelType channel); |
| virtual int32_t RecordingChannel(ChannelType* channel) const; |
| |
| // Delay information and control |
| virtual int32_t SetPlayoutBuffer(const BufferType type, |
| uint16_t sizeMS = 0); |
| virtual int32_t PlayoutBuffer(BufferType* type, |
| uint16_t* sizeMS) const; |
| virtual int32_t PlayoutDelay(uint16_t* delayMS) const; |
| virtual int32_t RecordingDelay(uint16_t* delayMS) const; |
| |
| // CPU load |
| virtual int32_t CPULoad(uint16_t* load) const; |
| |
| // Recording of raw PCM data |
| virtual int32_t StartRawOutputFileRecording( |
| const char pcmFileNameUTF8[kAdmMaxFileNameSize]); |
| virtual int32_t StopRawOutputFileRecording(); |
| virtual int32_t StartRawInputFileRecording( |
| const char pcmFileNameUTF8[kAdmMaxFileNameSize]); |
| virtual int32_t StopRawInputFileRecording(); |
| |
| // Native sample rate controls (samples/sec) |
| virtual int32_t SetRecordingSampleRate( |
| const uint32_t samplesPerSec); |
| virtual int32_t RecordingSampleRate( |
| uint32_t* samplesPerSec) const; |
| virtual int32_t SetPlayoutSampleRate( |
| const uint32_t samplesPerSec); |
| virtual int32_t PlayoutSampleRate( |
| uint32_t* samplesPerSec) const; |
| |
| // Mobile device specific functions |
| virtual int32_t ResetAudioDevice(); |
| virtual int32_t SetLoudspeakerStatus(bool enable); |
| virtual int32_t GetLoudspeakerStatus(bool* enabled) const; |
| |
| virtual int32_t EnableBuiltInAEC(bool enable); |
| virtual bool BuiltInAECIsEnabled() const; |
| |
| 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_ |
