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/*
* 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;
// Windows Core Audio and Android only.
virtual int32_t EnableBuiltInAEC(bool enable);
// Windows Core Audio only.
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
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