179 lines
7.3 KiB
C++
179 lines
7.3 KiB
C++
/*
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* Copyright (c) 2011 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 WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H
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#define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H
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#include <stdio.h>
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#include "audio_device_generic.h"
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#include "critical_section_wrapper.h"
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namespace webrtc {
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class EventWrapper;
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class ThreadWrapper;
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class AudioDeviceDummy : public AudioDeviceGeneric
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{
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public:
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AudioDeviceDummy(const WebRtc_Word32 id);
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~AudioDeviceDummy();
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// Retrieve the currently utilized audio layer
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virtual WebRtc_Word32 ActiveAudioLayer(AudioDeviceModule::AudioLayer& audioLayer) const;
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// Main initializaton and termination
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virtual WebRtc_Word32 Init();
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virtual WebRtc_Word32 Terminate();
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virtual bool Initialized() const;
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// Device enumeration
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virtual WebRtc_Word16 PlayoutDevices();
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virtual WebRtc_Word16 RecordingDevices();
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virtual WebRtc_Word32 PlayoutDeviceName(WebRtc_UWord16 index, WebRtc_Word8 name[kAdmMaxDeviceNameSize], WebRtc_Word8 guid[kAdmMaxGuidSize]);
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virtual WebRtc_Word32 RecordingDeviceName(WebRtc_UWord16 index, WebRtc_Word8 name[kAdmMaxDeviceNameSize], WebRtc_Word8 guid[kAdmMaxGuidSize]);
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// Device selection
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virtual WebRtc_Word32 SetPlayoutDevice(WebRtc_UWord16 index);
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virtual WebRtc_Word32 SetPlayoutDevice(AudioDeviceModule::WindowsDeviceType device);
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virtual WebRtc_Word32 SetRecordingDevice(WebRtc_UWord16 index);
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virtual WebRtc_Word32 SetRecordingDevice(AudioDeviceModule::WindowsDeviceType device);
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// Audio transport initialization
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virtual WebRtc_Word32 PlayoutIsAvailable(bool& available);
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virtual WebRtc_Word32 InitPlayout();
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virtual bool PlayoutIsInitialized() const;
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virtual WebRtc_Word32 RecordingIsAvailable(bool& available);
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virtual WebRtc_Word32 InitRecording();
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virtual bool RecordingIsInitialized() const;
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// Audio transport control
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virtual WebRtc_Word32 StartPlayout();
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virtual WebRtc_Word32 StopPlayout();
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virtual bool Playing() const;
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virtual WebRtc_Word32 StartRecording();
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virtual WebRtc_Word32 StopRecording();
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virtual bool Recording() const;
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// Microphone Automatic Gain Control (AGC)
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virtual WebRtc_Word32 SetAGC(bool enable);
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virtual bool AGC() const;
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// Volume control based on the Windows Wave API (Windows only)
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virtual WebRtc_Word32 SetWaveOutVolume(WebRtc_UWord16 volumeLeft, WebRtc_UWord16 volumeRight);
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virtual WebRtc_Word32 WaveOutVolume(WebRtc_UWord16& volumeLeft, WebRtc_UWord16& volumeRight) const;
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// Audio mixer initialization
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virtual WebRtc_Word32 SpeakerIsAvailable(bool& available);
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virtual WebRtc_Word32 InitSpeaker();
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virtual bool SpeakerIsInitialized() const;
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virtual WebRtc_Word32 MicrophoneIsAvailable(bool& available);
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virtual WebRtc_Word32 InitMicrophone();
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virtual bool MicrophoneIsInitialized() const;
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// Speaker volume controls
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virtual WebRtc_Word32 SpeakerVolumeIsAvailable(bool& available);
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virtual WebRtc_Word32 SetSpeakerVolume(WebRtc_UWord32 volume);
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virtual WebRtc_Word32 SpeakerVolume(WebRtc_UWord32& volume) const;
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virtual WebRtc_Word32 MaxSpeakerVolume(WebRtc_UWord32& maxVolume) const;
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virtual WebRtc_Word32 MinSpeakerVolume(WebRtc_UWord32& minVolume) const;
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virtual WebRtc_Word32 SpeakerVolumeStepSize(WebRtc_UWord16& stepSize) const;
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// Microphone volume controls
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virtual WebRtc_Word32 MicrophoneVolumeIsAvailable(bool& available);
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virtual WebRtc_Word32 SetMicrophoneVolume(WebRtc_UWord32 volume);
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virtual WebRtc_Word32 MicrophoneVolume(WebRtc_UWord32& volume) const;
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virtual WebRtc_Word32 MaxMicrophoneVolume(WebRtc_UWord32& maxVolume) const;
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virtual WebRtc_Word32 MinMicrophoneVolume(WebRtc_UWord32& minVolume) const;
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virtual WebRtc_Word32 MicrophoneVolumeStepSize(WebRtc_UWord16& stepSize) const;
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// Speaker mute control
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virtual WebRtc_Word32 SpeakerMuteIsAvailable(bool& available);
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virtual WebRtc_Word32 SetSpeakerMute(bool enable);
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virtual WebRtc_Word32 SpeakerMute(bool& enabled) const;
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// Microphone mute control
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virtual WebRtc_Word32 MicrophoneMuteIsAvailable(bool& available);
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virtual WebRtc_Word32 SetMicrophoneMute(bool enable);
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virtual WebRtc_Word32 MicrophoneMute(bool& enabled) const;
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// Microphone boost control
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virtual WebRtc_Word32 MicrophoneBoostIsAvailable(bool& available);
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virtual WebRtc_Word32 SetMicrophoneBoost(bool enable);
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virtual WebRtc_Word32 MicrophoneBoost(bool& enabled) const;
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// Stereo support
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virtual WebRtc_Word32 StereoPlayoutIsAvailable(bool& available);
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virtual WebRtc_Word32 SetStereoPlayout(bool enable);
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virtual WebRtc_Word32 StereoPlayout(bool& enabled) const;
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virtual WebRtc_Word32 StereoRecordingIsAvailable(bool& available);
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virtual WebRtc_Word32 SetStereoRecording(bool enable);
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virtual WebRtc_Word32 StereoRecording(bool& enabled) const;
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// Delay information and control
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virtual WebRtc_Word32 SetPlayoutBuffer(const AudioDeviceModule::BufferType type, WebRtc_UWord16 sizeMS);
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virtual WebRtc_Word32 PlayoutBuffer(AudioDeviceModule::BufferType& type, WebRtc_UWord16& sizeMS) const;
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virtual WebRtc_Word32 PlayoutDelay(WebRtc_UWord16& delayMS) const;
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virtual WebRtc_Word32 RecordingDelay(WebRtc_UWord16& delayMS) const;
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// CPU load
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virtual WebRtc_Word32 CPULoad(WebRtc_UWord16& load) const;
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virtual bool PlayoutWarning() const;
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virtual bool PlayoutError() const;
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virtual bool RecordingWarning() const;
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virtual bool RecordingError() const;
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virtual void ClearPlayoutWarning();
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virtual void ClearPlayoutError();
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virtual void ClearRecordingWarning();
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virtual void ClearRecordingError();
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virtual void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer);
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private:
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void Lock() { _critSect.Enter(); };
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void UnLock() { _critSect.Leave(); };
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static bool RecThreadFunc(void*);
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static bool PlayThreadFunc(void*);
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bool RecThreadProcess();
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bool PlayThreadProcess();
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AudioDeviceBuffer* _ptrAudioBuffer;
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CriticalSectionWrapper& _critSect;
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WebRtc_Word32 _id;
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EventWrapper& _timeEventRec;
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EventWrapper& _timeEventPlay;
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EventWrapper& _recStartEvent;
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EventWrapper& _playStartEvent;
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ThreadWrapper* _ptrThreadPlay;
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ThreadWrapper* _ptrThreadRec;
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WebRtc_UWord32 _recThreadID;
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WebRtc_UWord32 _playThreadID;
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bool _initialized;
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bool _recording;
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bool _playing;
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bool _recIsInitialized;
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bool _playIsInitialized;
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bool _speakerIsInitialized;
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bool _microphoneIsInitialized;
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WebRtc_Word8 _recBuffer[2*160];
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FILE* _playDataFile;
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};
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} // namespace webrtc
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#endif // WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H
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