Paul Davis
000609901b
This follows the letter sent from Waves Audio Ltd. to Paul Davis dated February 20th 2014 agreeing to release this code under the GNU Public License, version 2, with copyright owned by Waves Audio Ltd
97 lines
3.0 KiB
C++
97 lines
3.0 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 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(PLATFORM_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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#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_9
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#include <unistd.h>
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#endif
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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(PLATFORM_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 (PLATFORM_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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