75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
//----------------------------------------------------------------------------------
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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 WCMRNativeAudio.h
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//!
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//! WCMRNativeAudio and related class declarations
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//!
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//---------------------------------------------------------------------------------*/
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#ifndef __WCMRNativeAudio_h_
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#define __WCMRNativeAudio_h_
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#if defined(_WINDOWS)
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#include "windows.h"
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#endif
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#include "pthread.h"
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#include "WCRefManager.h"
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#include "WCMRAudioDeviceManager.h"
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class WCMRNativeAudioDevice; //forward
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class WCMRNativeAudioDevice : public WCMRAudioDevice
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{
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public:
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WCMRNativeAudioDevice (WCMRAudioDeviceManager *pManager, bool useMultithreading = true, bool bNoCopy = false) :
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WCMRAudioDevice (pManager)
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, m_UseMultithreading (useMultithreading)
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, m_bNoCopyAudioBuffer(bNoCopy)
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{}
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virtual ~WCMRNativeAudioDevice () {}
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protected:
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bool m_UseMultithreading;
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bool m_bNoCopyAudioBuffer; ///< This flag determines whether the audio callback performs a copy of audio, or the source/sink perform the copy. It should be true to let source/sink do the copies.
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};
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//! A dummy device to allow apps to choose "None" in case no real device connection is required.
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class WCMRNativeAudioNoneDevice : public WCMRNativeAudioDevice
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{
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public:
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WCMRNativeAudioNoneDevice (WCMRAudioDeviceManager *pManager);
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virtual ~WCMRNativeAudioNoneDevice ();
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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 SetCurrentBufferSize (int newSize);///<Change Current Buffer Size : This is a requset, might not be successful at run time!
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virtual WTErr UpdateDeviceInfo ();
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private:
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static void* __SilenceThread(void *This);
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void _SilenceThread();
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#if defined(_WINDOWS)
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void _usleep(uint64_t usec);
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#else
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inline void _usleep(uint64_t usec) { ::usleep(usec); }
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#endif
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static const size_t __m_NumInputChannels = 0;
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static const size_t __m_NumOutputChannels = 0;
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pthread_t m_SilenceThread;
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float *_m_inputBuffer;
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float *_m_outputBuffer;
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static uint64_t __get_time_nanos ();
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#if defined (_WINDOWS)
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HANDLE _waitableTimerForUsleep;
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#endif
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};
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#endif //#ifndef __WCMRNativeAudio_h_
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