| /* |
| * 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 SpeakerIsAvailable(bool& available) = 0; |
| virtual int32_t InitSpeaker() = 0; |
| virtual bool SpeakerIsInitialized() const = 0; |
| virtual int32_t MicrophoneIsAvailable(bool& available) = 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); |
| |
| // Windows Core Audio only. |
| virtual int32_t EnableBuiltInAEC(bool enable); |
| virtual bool BuiltInAECIsEnabled() const; |
| |
| public: |
| 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; |
| |
| public: |
| virtual void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) = 0; |
| |
| virtual ~AudioDeviceGeneric() {} |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_GENERIC_H |