webrtc/modules/audio_device/main/source/Dummy/audio_device_dummy.h

179 lines
7.3 KiB
C++

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