|  | /* | 
|  | *  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_GENERIC_H | 
|  | #define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_GENERIC_H | 
|  |  | 
|  | #include "webrtc/modules/audio_device/audio_device_buffer.h" | 
|  | #include "webrtc/modules/audio_device/include/audio_device.h" | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | class AudioDeviceGeneric { | 
|  | public: | 
|  | // Retrieve the currently utilized audio layer | 
|  | virtual int32_t ActiveAudioLayer( | 
|  | AudioDeviceModule::AudioLayer& audioLayer) const = 0; | 
|  |  | 
|  | // Main initializaton and termination | 
|  | virtual int32_t Init() = 0; | 
|  | virtual int32_t Terminate() = 0; | 
|  | virtual bool Initialized() const = 0; | 
|  |  | 
|  | // Device enumeration | 
|  | virtual int16_t PlayoutDevices() = 0; | 
|  | virtual int16_t RecordingDevices() = 0; | 
|  | virtual int32_t PlayoutDeviceName(uint16_t index, | 
|  | char name[kAdmMaxDeviceNameSize], | 
|  | char guid[kAdmMaxGuidSize]) = 0; | 
|  | virtual int32_t RecordingDeviceName(uint16_t index, | 
|  | char name[kAdmMaxDeviceNameSize], | 
|  | char guid[kAdmMaxGuidSize]) = 0; | 
|  |  | 
|  | // Device selection | 
|  | virtual int32_t SetPlayoutDevice(uint16_t index) = 0; | 
|  | virtual int32_t SetPlayoutDevice( | 
|  | AudioDeviceModule::WindowsDeviceType device) = 0; | 
|  | virtual int32_t SetRecordingDevice(uint16_t index) = 0; | 
|  | virtual int32_t SetRecordingDevice( | 
|  | AudioDeviceModule::WindowsDeviceType device) = 0; | 
|  |  | 
|  | // Audio transport initialization | 
|  | virtual int32_t PlayoutIsAvailable(bool& available) = 0; | 
|  | virtual int32_t InitPlayout() = 0; | 
|  | virtual bool PlayoutIsInitialized() const = 0; | 
|  | virtual int32_t RecordingIsAvailable(bool& available) = 0; | 
|  | virtual int32_t InitRecording() = 0; | 
|  | virtual bool RecordingIsInitialized() const = 0; | 
|  |  | 
|  | // Audio transport control | 
|  | virtual int32_t StartPlayout() = 0; | 
|  | virtual int32_t StopPlayout() = 0; | 
|  | virtual bool Playing() const = 0; | 
|  | virtual int32_t StartRecording() = 0; | 
|  | virtual int32_t StopRecording() = 0; | 
|  | virtual bool Recording() const = 0; | 
|  |  | 
|  | // Microphone Automatic Gain Control (AGC) | 
|  | virtual int32_t SetAGC(bool enable) = 0; | 
|  | virtual bool AGC() const = 0; | 
|  |  | 
|  | // Volume control based on the Windows Wave API (Windows only) | 
|  | virtual int32_t SetWaveOutVolume(uint16_t volumeLeft, | 
|  | uint16_t volumeRight) = 0; | 
|  | virtual int32_t WaveOutVolume(uint16_t& volumeLeft, | 
|  | uint16_t& volumeRight) const = 0; | 
|  |  | 
|  | // Audio mixer initialization | 
|  | virtual int32_t InitSpeaker() = 0; | 
|  | virtual bool SpeakerIsInitialized() const = 0; | 
|  | virtual int32_t InitMicrophone() = 0; | 
|  | virtual bool MicrophoneIsInitialized() const = 0; | 
|  |  | 
|  | // Speaker volume controls | 
|  | virtual int32_t SpeakerVolumeIsAvailable(bool& available) = 0; | 
|  | virtual int32_t SetSpeakerVolume(uint32_t volume) = 0; | 
|  | virtual int32_t SpeakerVolume(uint32_t& volume) const = 0; | 
|  | virtual int32_t MaxSpeakerVolume(uint32_t& maxVolume) const = 0; | 
|  | virtual int32_t MinSpeakerVolume(uint32_t& minVolume) const = 0; | 
|  | virtual int32_t SpeakerVolumeStepSize(uint16_t& stepSize) const = 0; | 
|  |  | 
|  | // Microphone volume controls | 
|  | virtual int32_t MicrophoneVolumeIsAvailable(bool& available) = 0; | 
|  | virtual int32_t SetMicrophoneVolume(uint32_t volume) = 0; | 
|  | virtual int32_t MicrophoneVolume(uint32_t& volume) const = 0; | 
|  | virtual int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const = 0; | 
|  | virtual int32_t MinMicrophoneVolume(uint32_t& minVolume) const = 0; | 
|  | virtual int32_t MicrophoneVolumeStepSize(uint16_t& stepSize) const = 0; | 
|  |  | 
|  | // Speaker mute control | 
|  | virtual int32_t SpeakerMuteIsAvailable(bool& available) = 0; | 
|  | virtual int32_t SetSpeakerMute(bool enable) = 0; | 
|  | virtual int32_t SpeakerMute(bool& enabled) const = 0; | 
|  |  | 
|  | // Microphone mute control | 
|  | virtual int32_t MicrophoneMuteIsAvailable(bool& available) = 0; | 
|  | virtual int32_t SetMicrophoneMute(bool enable) = 0; | 
|  | virtual int32_t MicrophoneMute(bool& enabled) const = 0; | 
|  |  | 
|  | // Microphone boost control | 
|  | virtual int32_t MicrophoneBoostIsAvailable(bool& available) = 0; | 
|  | virtual int32_t SetMicrophoneBoost(bool enable) = 0; | 
|  | virtual int32_t MicrophoneBoost(bool& enabled) const = 0; | 
|  |  | 
|  | // Stereo support | 
|  | virtual int32_t StereoPlayoutIsAvailable(bool& available) = 0; | 
|  | virtual int32_t SetStereoPlayout(bool enable) = 0; | 
|  | virtual int32_t StereoPlayout(bool& enabled) const = 0; | 
|  | virtual int32_t StereoRecordingIsAvailable(bool& available) = 0; | 
|  | virtual int32_t SetStereoRecording(bool enable) = 0; | 
|  | virtual int32_t StereoRecording(bool& enabled) const = 0; | 
|  |  | 
|  | // Delay information and control | 
|  | virtual int32_t SetPlayoutBuffer(const AudioDeviceModule::BufferType type, | 
|  | uint16_t sizeMS = 0) = 0; | 
|  | virtual int32_t PlayoutBuffer(AudioDeviceModule::BufferType& type, | 
|  | uint16_t& sizeMS) const = 0; | 
|  | virtual int32_t PlayoutDelay(uint16_t& delayMS) const = 0; | 
|  | virtual int32_t RecordingDelay(uint16_t& delayMS) const = 0; | 
|  |  | 
|  | // CPU load | 
|  | virtual int32_t CPULoad(uint16_t& load) const = 0; | 
|  |  | 
|  | // Native sample rate controls (samples/sec) | 
|  | virtual int32_t SetRecordingSampleRate(const uint32_t samplesPerSec); | 
|  | virtual int32_t SetPlayoutSampleRate(const uint32_t samplesPerSec); | 
|  |  | 
|  | // Speaker audio routing (for mobile devices) | 
|  | virtual int32_t SetLoudspeakerStatus(bool enable); | 
|  | virtual int32_t GetLoudspeakerStatus(bool& enable) const; | 
|  |  | 
|  | // Reset Audio Device (for mobile devices) | 
|  | virtual int32_t ResetAudioDevice(); | 
|  |  | 
|  | // Sound Audio Device control (for WinCE only) | 
|  | virtual int32_t SoundDeviceControl(unsigned int par1 = 0, | 
|  | unsigned int par2 = 0, | 
|  | unsigned int par3 = 0, | 
|  | unsigned int par4 = 0); | 
|  |  | 
|  | // Android only | 
|  | virtual bool BuiltInAECIsAvailable() const; | 
|  | virtual bool BuiltInAGCIsAvailable() const; | 
|  | virtual bool BuiltInNSIsAvailable() const; | 
|  |  | 
|  | // Windows Core Audio and Android only. | 
|  | virtual int32_t EnableBuiltInAEC(bool enable); | 
|  | virtual int32_t EnableBuiltInAGC(bool enable); | 
|  | virtual int32_t EnableBuiltInNS(bool enable); | 
|  |  | 
|  | // Windows Core Audio only. | 
|  | virtual bool BuiltInAECIsEnabled() const; | 
|  |  | 
|  | // iOS only. | 
|  | // TODO(henrika): add Android support. | 
|  | virtual int GetPlayoutAudioParameters(AudioParameters* params) const; | 
|  | virtual int GetRecordAudioParameters(AudioParameters* params) const; | 
|  |  | 
|  | virtual bool PlayoutWarning() const = 0; | 
|  | virtual bool PlayoutError() const = 0; | 
|  | virtual bool RecordingWarning() const = 0; | 
|  | virtual bool RecordingError() const = 0; | 
|  | virtual void ClearPlayoutWarning() = 0; | 
|  | virtual void ClearPlayoutError() = 0; | 
|  | virtual void ClearRecordingWarning() = 0; | 
|  | virtual void ClearRecordingError() = 0; | 
|  |  | 
|  | virtual void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) = 0; | 
|  |  | 
|  | virtual ~AudioDeviceGeneric() {} | 
|  | }; | 
|  |  | 
|  | }  // namespace webrtc | 
|  |  | 
|  | #endif  // WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_GENERIC_H |