272 lines
10 KiB
C++
272 lines
10 KiB
C++
/*
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Copyright (C) 2014 Waves Audio Ltd.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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//----------------------------------------------------------------------------------
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//
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//
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//! \file WCMRAudioDeviceManager.h
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//!
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//! WCMRAudioDeviceManager and related class declarations
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//!
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//---------------------------------------------------------------------------------*/
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#ifndef __WCMRAudioDeviceManager_h_
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#define __WCMRAudioDeviceManager_h_
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/* Copy to include
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#include "WCMRAudioDeviceManager.h"
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*/
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#define AUTO_FUNC_DEBUG
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#define DEBUG_MSG(a)
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#define ASSERT_ERROR(a, b)
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#define TRACE_MSG(a)
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#include <string>
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#include <vector>
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#include <map>
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#include "WCRefManager.h"
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#include "BasicTypes/WUTypes.h"
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#include "WUErrors.h"
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#include "WCThreadSafe.h"
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#define WCUNUSEDPARAM(a)
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class WCMRAudioDevice;
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class WCMRAudioDeviceManager;
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typedef unsigned int DeviceID;
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struct DeviceInfo
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{
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DeviceID m_DeviceId;
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std::string m_DeviceName;
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std::vector<int> m_AvailableSampleRates;
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std::vector<int> m_AvailableBufferSizes;
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unsigned int m_MaxInputChannels;
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unsigned int m_MaxOutputChannels;
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DeviceInfo():
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m_DeviceId(-1), m_DeviceName("Unknown"), m_MaxInputChannels(0), m_MaxOutputChannels(0)
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{};
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DeviceInfo(unsigned int deviceID, const std::string & deviceName):
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m_DeviceId(deviceID), m_DeviceName(deviceName), m_MaxInputChannels(0), m_MaxOutputChannels(0)
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{};
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};
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typedef std::vector<DeviceInfo*> DeviceInfoVec;
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typedef DeviceInfoVec::iterator DeviceInfoVecIter;
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typedef DeviceInfoVec::const_iterator DeviceInfoVecConstIter;
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/// for notification... A client must derive it's class from us.
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class WCMRAudioDeviceManagerClient
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{
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public:
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enum NotificationReason
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{
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DeviceListChanged,
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Dropout,
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RequestReset,
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RequestResync,
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SamplingRateChanged, //param has new SR, or -1 if not known
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SamplingRateChangedSilent, //To indicate sampling rate changed but no need to notify user
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BufferSizeChanged,
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ClockSourceChanged,
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DeviceStoppedStreaming,
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DeviceStartsStreaming,
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DeviceDroppedSamples,
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DeviceConnectionLost,
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DeviceGenericError,
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DeviceStatusChanged,
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DeviceStatisticsUpdated,
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DeviceDebugInfo, //param has c string
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DeviceProgressInfo, //param has c string
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MIDIData,
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MIDINodeUp,
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MIDINodeDown,
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DeviceSampleRateMisMatch,
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SystemSamplingRateChangedInfoOnly,
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LostClockSource,
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IODeviceDisconnected,
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ChannelCountModified,
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MasterUp,
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MasterDown,
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AudioDropFound,
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ReflasherEvent,
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AGDeviceSamplingRateChangedInfoOnly,
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IODeviceNameChanged,
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SetDisplayNameFromIOModule,
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IOMStateChanged, ///< This is used when IOM state is changed.
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AudioCallback // VKamyshniy: param is AudioCallbackDataData*
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};
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WCMRAudioDeviceManagerClient () {}
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virtual ~WCMRAudioDeviceManagerClient () {}
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// VKamyshniy: This is a structure to call the client's AudioDeviceManagerNotification
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// every AudioCallback time
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struct AudioCallbackData
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{
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const float *acdInputBuffer;
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float *acdOutputBuffer;
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size_t acdFrames;
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int64_t acdSampleTime;
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uint64_t acdCycleStartTimeNanos;
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};
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virtual void AudioDeviceManagerNotification (NotificationReason WCUNUSEDPARAM(reason), void *WCUNUSEDPARAM(pParam)) {}
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};
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class WCMRAudioDevice : public WCRefManager
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{
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public:
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enum ConnectionStates
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{
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DeviceAvailable,
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DeviceDisconnected,
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DeviceErrors
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};
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WCMRAudioDevice (WCMRAudioDeviceManager *pManager);///<Constructor
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virtual ~WCMRAudioDevice ();///<Destructor
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virtual const std::string& DeviceName() const;///<Name?
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virtual const std::vector<std::string>& InputChannels();///<Current Input Channel List? - note that this may change with change in sampling rate.
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virtual const std::vector<std::string>& OutputChannels();///<Current Output Channel List? - note that this may change with change in sampling rate.
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virtual const std::vector<int>& SamplingRates();///<Supported Sampling Rate List?
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virtual int CurrentSamplingRate(); ///<Current Sampling rate.?
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virtual WTErr SetCurrentSamplingRate(int newRate);///<Change Current Sampling Rate : This is a requset, might not be successful at run time!
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virtual const std::vector<int>& BufferSizes();///<Supported Buffer Size List? - note that this may change with change in sampling rate.
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virtual int CurrentBufferSize();///<Current Buffer Size.? - note that this may change with change in sampling rate.
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virtual WTErr SetCurrentBufferSize (int newSize);///<Change Current Buffer Size : This is a requset, might not be successful at run time!
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virtual int CurrentBlockSize();
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virtual ConnectionStates ConnectionStatus();///< Connection Status - device available, gone, disconnected
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virtual bool Active();///<Active status - mainly significant for ASIO, as certain ops can only be performed on active devices!
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virtual WTErr SetActive (bool newState);///<Prepare/Activate device.
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virtual bool Streaming();///<Streaming Status?
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virtual WTErr SetStreaming (bool newState);///<Start/Stop Streaming - should reconnect connections when streaming starts!
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virtual WTErr ResetDevice ();
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virtual bool IsProcessActive();
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virtual WTErr DoIdle();///<Do Idle Processing
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virtual const std::vector<float>& InputLevels();///<Retrieve Input Levels (for VU display)?
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virtual const std::vector<float>& OutputLevels();///<Retrieve Output Levels (for VU display)?
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void GetMonitorInfo (int *pLeftChannel = NULL, int *pRightChannel = NULL, float *pGain = NULL);///<Retrieve current monitor channel pair and gain - optional, will not be available with AG
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virtual WTErr SetMonitorChannels (int leftChannel, int rightChannel);///<Set monitor channels. - optional, will not be available with AG
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virtual WTErr SetMonitorGain (float newGain);///<Set monitor gain. - optional, will not be available with AG
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virtual WTErr ShowConfigPanel (void *pParam);///< Show Control Panel - in case of ASIO this will work only with Active device!
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virtual WTErr SendCustomCommand (int customCommand, void *pCommandParam); ///< Send a custom command to the audiodevice...
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virtual uint32_t GetLatency (bool isInput); ///Get latency.
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virtual WTErr UpdateDeviceInfo () = 0;
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protected:
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WCMRAudioDeviceManager *m_pMyManager; ///< The manager who's managing this device, can be used for sending notifications!
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std::string m_DeviceName; ///< Name of the device.
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std::vector<std::string> m_InputChannels; ///< List of input channel names.
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std::vector<std::string> m_OutputChannels; ///< List of output channel names.
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std::vector<int> m_SamplingRates; ///< List of available sampling rates.
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std::vector<int> m_BufferSizes; ///< List of available buffer sizes.
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int m_CurrentSamplingRate; ///< Currently selected sampling rate.
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int m_CurrentBufferSize; ///< Currently selected buffer size.
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ConnectionStates m_ConnectionStatus; ///< Status of device connection
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bool m_IsActive; ///< Flag for teh active status.
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bool m_IsStreaming; ///< Flag for streaming status.
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std::vector<float> m_InputLevels; ///< List of input levels.
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std::vector<float> m_OutputLevels; ///< List of output levels.
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int m_LeftMonitorChannel; ///< The device channel to use for monitoring left channel data.
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int m_RightMonitorChannel; ///< The device channel to use for monitoring right channel data.
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float m_MonitorGain; ///< Amount of gain to apply for monitoring signal.
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};
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// This enum is for choosing filter for audio devices scan
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typedef enum eAudioDeviceFilter
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{
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eAllDevices = 0, // Choose all audio devices
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eInputOnlyDevices, // Choose only input audio devices
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eOutputOnlyDevices, // Choose only output audio devices
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eFullDuplexDevices, // Choose audio devices that have both input and output channels on the same device
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eMatchedDuplexDevices, // Match(aggregate) audio devices that have both input and output channels but are considered different audio devices (For mac)
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eAudioDeviceFilterNum // Number of enums
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} eAudioDeviceFilter;
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class WCMRAudioDeviceManager : public WCRefManager
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{
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public://< Public functions for the class.
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WCMRAudioDeviceManager(WCMRAudioDeviceManagerClient *pTheClient, eAudioDeviceFilter eCurAudioDeviceFilter); ///< constructor
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virtual ~WCMRAudioDeviceManager(void); ///< Destructor
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//interfaces
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WCMRAudioDevice* InitNewCurrentDevice(const std::string & deviceName);
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void DestroyCurrentDevice();
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const DeviceInfoVec DeviceInfoList () const;
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WTErr GetDeviceInfoByName(const std::string & nameToMatch, DeviceInfo & devInfo) const;
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WTErr GetDeviceSampleRates(const std::string & nameToMatch, std::vector<int>& sampleRates) const;
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WTErr GetDeviceBufferSizes(const std::string & nameToMatch, std::vector<int>& bufferSizes) const;
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//virtual void EnableVerboseLogging(bool /*bEnable*/, const std::string& /*logFilePath*/) { };
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//notify backend
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void NotifyClient (WCMRAudioDeviceManagerClient::NotificationReason forReason, void *pParam = NULL);
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protected:
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mutable wvNS::wvThread::ThreadMutex m_AudioDeviceInfoVecMutex; // mutex to lock device info list
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DeviceInfoVec m_DeviceInfoVec;
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eAudioDeviceFilter m_eAudioDeviceFilter;
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WCMRAudioDevice* m_CurrentDevice;
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private:
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// override in derived classes
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// made private to avoid pure virtual function call
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virtual WCMRAudioDevice* initNewCurrentDeviceImpl(const std::string & deviceName) = 0;
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virtual void destroyCurrentDeviceImpl() = 0;
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virtual WTErr getDeviceSampleRatesImpl(const std::string & deviceName, std::vector<int>& sampleRates) const = 0;
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virtual WTErr getDeviceBufferSizesImpl(const std::string & deviceName, std::vector<int>& bufferSizes) const = 0;
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virtual WTErr generateDeviceListImpl() = 0;
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virtual WTErr updateDeviceListImpl() = 0;
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WCMRAudioDeviceManagerClient *m_pTheClient; ///< The device manager's client, used to send notifications.
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};
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#endif //#ifndef __WCMRAudioDeviceManager_h_
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