146 lines
5.3 KiB
C++
146 lines
5.3 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef AUDIO_DEVICE_AUDIO_DEVICE_GENERIC_H_
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#define AUDIO_DEVICE_AUDIO_DEVICE_GENERIC_H_
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#include <stdint.h>
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#include "modules/audio_device/audio_device_buffer.h"
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#include "modules/audio_device/include/audio_device.h"
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#include "modules/audio_device/include/audio_device_defines.h"
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namespace webrtc {
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class AudioDeviceGeneric {
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public:
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// For use with UMA logging. Must be kept in sync with histograms.xml in
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// Chrome, located at
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// https://cs.chromium.org/chromium/src/tools/metrics/histograms/histograms.xml
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enum class InitStatus {
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OK = 0,
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PLAYOUT_ERROR = 1,
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RECORDING_ERROR = 2,
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OTHER_ERROR = 3,
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NUM_STATUSES = 4
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};
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// Retrieve the currently utilized audio layer
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virtual int32_t ActiveAudioLayer(
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AudioDeviceModule::AudioLayer& audioLayer) const = 0;
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// Main initializaton and termination
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virtual InitStatus Init() = 0;
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virtual int32_t Terminate() = 0;
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virtual bool Initialized() const = 0;
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// Device enumeration
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virtual int16_t PlayoutDevices() = 0;
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virtual int16_t RecordingDevices() = 0;
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virtual int32_t PlayoutDeviceName(uint16_t index,
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char name[kAdmMaxDeviceNameSize],
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char guid[kAdmMaxGuidSize]) = 0;
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virtual int32_t RecordingDeviceName(uint16_t index,
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char name[kAdmMaxDeviceNameSize],
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char guid[kAdmMaxGuidSize]) = 0;
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// Device selection
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virtual int32_t SetPlayoutDevice(uint16_t index) = 0;
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virtual int32_t SetPlayoutDevice(
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AudioDeviceModule::WindowsDeviceType device) = 0;
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virtual int32_t SetRecordingDevice(uint16_t index) = 0;
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virtual int32_t SetRecordingDevice(
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AudioDeviceModule::WindowsDeviceType device) = 0;
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// Audio transport initialization
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virtual int32_t PlayoutIsAvailable(bool& available) = 0;
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virtual int32_t InitPlayout() = 0;
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virtual bool PlayoutIsInitialized() const = 0;
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virtual int32_t RecordingIsAvailable(bool& available) = 0;
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virtual int32_t InitRecording() = 0;
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virtual bool RecordingIsInitialized() const = 0;
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// Audio transport control
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virtual int32_t StartPlayout() = 0;
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virtual int32_t StopPlayout() = 0;
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virtual bool Playing() const = 0;
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virtual int32_t StartRecording() = 0;
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virtual int32_t StopRecording() = 0;
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virtual bool Recording() const = 0;
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// Audio mixer initialization
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virtual int32_t InitSpeaker() = 0;
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virtual bool SpeakerIsInitialized() const = 0;
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virtual int32_t InitMicrophone() = 0;
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virtual bool MicrophoneIsInitialized() const = 0;
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// Speaker volume controls
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virtual int32_t SpeakerVolumeIsAvailable(bool& available) = 0;
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virtual int32_t SetSpeakerVolume(uint32_t volume) = 0;
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virtual int32_t SpeakerVolume(uint32_t& volume) const = 0;
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virtual int32_t MaxSpeakerVolume(uint32_t& maxVolume) const = 0;
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virtual int32_t MinSpeakerVolume(uint32_t& minVolume) const = 0;
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// Microphone volume controls
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virtual int32_t MicrophoneVolumeIsAvailable(bool& available) = 0;
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virtual int32_t SetMicrophoneVolume(uint32_t volume) = 0;
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virtual int32_t MicrophoneVolume(uint32_t& volume) const = 0;
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virtual int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const = 0;
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virtual int32_t MinMicrophoneVolume(uint32_t& minVolume) const = 0;
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// Speaker mute control
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virtual int32_t SpeakerMuteIsAvailable(bool& available) = 0;
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virtual int32_t SetSpeakerMute(bool enable) = 0;
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virtual int32_t SpeakerMute(bool& enabled) const = 0;
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// Microphone mute control
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virtual int32_t MicrophoneMuteIsAvailable(bool& available) = 0;
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virtual int32_t SetMicrophoneMute(bool enable) = 0;
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virtual int32_t MicrophoneMute(bool& enabled) const = 0;
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// Stereo support
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virtual int32_t StereoPlayoutIsAvailable(bool& available) = 0;
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virtual int32_t SetStereoPlayout(bool enable) = 0;
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virtual int32_t StereoPlayout(bool& enabled) const = 0;
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virtual int32_t StereoRecordingIsAvailable(bool& available) = 0;
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virtual int32_t SetStereoRecording(bool enable) = 0;
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virtual int32_t StereoRecording(bool& enabled) const = 0;
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// Delay information and control
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virtual int32_t PlayoutDelay(uint16_t& delayMS) const = 0;
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// Android only
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virtual bool BuiltInAECIsAvailable() const;
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virtual bool BuiltInAGCIsAvailable() const;
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virtual bool BuiltInNSIsAvailable() const;
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// Windows Core Audio and Android only.
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virtual int32_t EnableBuiltInAEC(bool enable);
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virtual int32_t EnableBuiltInAGC(bool enable);
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virtual int32_t EnableBuiltInNS(bool enable);
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// Play underrun count.
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virtual int32_t GetPlayoutUnderrunCount() const;
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// iOS only.
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// TODO(henrika): add Android support.
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#if defined(WEBRTC_IOS)
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virtual int GetPlayoutAudioParameters(AudioParameters* params) const;
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virtual int GetRecordAudioParameters(AudioParameters* params) const;
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#endif // WEBRTC_IOS
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virtual void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) = 0;
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virtual ~AudioDeviceGeneric() {}
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};
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} // namespace webrtc
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#endif // AUDIO_DEVICE_AUDIO_DEVICE_GENERIC_H_
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