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2nd attempt at updated Waves audio backend, with added -fms-extensions as previously applied (but not updated in Waves' repo) to allow anonymous unions, as used by PortMidi
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Paul Davis
parent
1ac8815296
commit
19d21045af
58 changed files with 9353 additions and 7631 deletions
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//----------------------------------------------------------------------------------
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//
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// Copyright (c) 2008 Waves Audio Ltd. All rights reserved.
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//
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//! \file WCMRPortAudioDeviceManager.h
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//!
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//! WCMRPortAudioDeviceManager and related class declarations
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//!
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//---------------------------------------------------------------------------------*/
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#ifndef __WCMRPortAudioDeviceManager_h_
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#define __WCMRPortAudioDeviceManager_h_
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#include "WCMRAudioDeviceManager.h"
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#include "WCMRNativeAudio.h"
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#include "portaudio.h"
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//forward decl.
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class WCMRPortAudioDeviceManager;
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//! Manages a port audio device, providing information
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//! about the device, and managing audio callbacks.
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class WCMRPortAudioDevice : public WCMRNativeAudioDevice
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{
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public:
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WCMRPortAudioDevice (WCMRPortAudioDeviceManager *pManager, unsigned int deviceID, bool useMultiThreading = true, bool bNoCopy = false);///<Constructor
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virtual ~WCMRPortAudioDevice ();///<Destructor
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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 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 ConnectionStates ConnectionStatus();///< Connection Status - device available, gone, disconnected
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virtual WTErr SetActive (bool newState);///<Prepare/Activate device.
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virtual WTErr SetStreaming (bool newState);///<Start/Stop Streaming - should reconnect connections when streaming starts!
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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 int AudioCallback (const float *pInputBuffer, float *pOutputBuffer, unsigned long framesPerBuffe, bool dropsDetectedr);
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virtual WTErr UpdateDeviceInfo ();
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virtual WTErr ResetDevice();
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#ifdef _WINDOWS
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static long StaticASIOMessageHook (void *pRefCon, long selector, long value, void* message, double* opt);
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long ASIOMessageHook (long selector, long value, void* message, double* opt);
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#endif //_WINDOWS
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protected:
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static DWORD WINAPI __DoIdle__(LPVOID lpThreadParameter);
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// Methods which are executed by device processing thread
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WTErr DoIdle();///<Do Idle Processing
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void initDevice();
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void terminateDevice();
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void updateDeviceInfo(bool callerIsWaiting = false);
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void activateDevice(bool callerIsWaiting = false);
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void deactivateDevice(bool callerIsWaiting = false);
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void startStreaming(bool callerIsWaiting = false);
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void stopStreaming(bool callerIsWaiting = false);
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void resetDevice (bool callerIsWaiting = false);///<Reset device - close and reopen stream, update device information!
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PaError testStateValidness(int sampleRate, int bufferSize);
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///////////////////////////////////////////////////////////
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static int TheCallback (const void *pInputBuffer, void *pOutputBuffer, unsigned long framesPerBuffer,
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const PaStreamCallbackTimeInfo* /*pTimeInfo*/, PaStreamCallbackFlags /*statusFlags*/, void *pUserData );
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unsigned int m_DeviceID; ///< The PA device id
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PaStream* m_PortAudioStream; ///< Port audio stream, when the device is active!
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bool m_StopRequested; ///< should be set to true when want to stop, set to false otherwise.
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const float *m_pInputData; ///< This is what came in with the most recent callback.
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int m_SampleCounter; ///< The current running sample counter, updated by the audio callback.
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int m_SampleCountAtLastIdle;
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int m_DropsDetected; ///< Number of times audio drops have been detected so far.
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int m_DropsReported; ///< Number of times audio drops have been reported so far to the client.
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bool m_IgnoreThisDrop; ///< Allows disregarding the first drop
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int m_BufferSizeChangeRequested;
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int m_BufferSizeChangeReported;
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int m_ResetRequested;
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int m_ResetReported;
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int m_ResyncRequested;
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int m_ResyncReported;
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HANDLE m_hDeviceProcessingThread;
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DWORD m_DeviceProcessingThreadID;
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///< Backend request events
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HANDLE m_hResetRequestedEvent;
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HANDLE m_hResetDone;
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HANDLE m_hUpdateDeviceInfoRequestedEvent;
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HANDLE m_hUpdateDeviceInfoDone;
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HANDLE m_hActivateRequestedEvent;
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HANDLE m_hActivationDone;
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HANDLE m_hDeActivateRequestedEvent;
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HANDLE m_hDeActivationDone;
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HANDLE m_hStartStreamingRequestedEvent;
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HANDLE m_hStartStreamingDone;
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HANDLE m_hStopStreamingRequestedEvent;
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HANDLE m_hStopStreamingDone;
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/////////////////////////
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///< Device request events
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HANDLE m_hResetFromDevRequestedEvent;
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HANDLE m_hBufferSizeChangedEvent;
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HANDLE m_hSampleRateChangedEvent;
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/////////////////////////////
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///< Sync events
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HANDLE m_hDeviceInitialized;
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HANDLE m_hExitIdleThread;
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//Should be set if the device connection status is "DeviceErrors"
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WTErr m_lastErr;
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};
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//! WCMRPortAudioDeviceManager
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/*! The PortAudio Device Manager class */
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class WCMRPortAudioDeviceManager : public WCMRAudioDeviceManager
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{
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public:
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WCMRPortAudioDeviceManager(WCMRAudioDeviceManagerClient *pTheClient, eAudioDeviceFilter eCurAudioDeviceFilter,
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bool useMultithreading = true, bool bNocopy = false); ///< constructor
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virtual ~WCMRPortAudioDeviceManager(void); ///< destructor
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protected:
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virtual WCMRAudioDevice* initNewCurrentDeviceImpl(const std::string & deviceName);
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virtual void destroyCurrentDeviceImpl();
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virtual WTErr generateDeviceListImpl(); // use this in derived class to fill device list
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virtual WTErr updateDeviceListImpl() {return eNoErr; } // not supported
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virtual WTErr getDeviceBufferSizesImpl(const std::string & deviceName, std::vector<int>& buffers) const;
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bool m_UseMultithreading; ///< Flag indicates whether to use multi-threading for audio processing.
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bool m_bNoCopyAudioBuffer;
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private:
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// helper functions for this class only
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WTErr getDeviceAvailableSampleRates(DeviceID deviceId, std::vector<int>& sampleRates);
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WCMRAudioDevice* m_NoneDevice;
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};
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#endif //#ifndef __WCMRPortAudioDeviceManager_h_
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