Paul Davis
1de00ab6bb
Code builds, runs and functions. Full code review still pending, and some possibly changes to organization of code within the backend is possible
91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
|
|
Copyright (C) 2013 Waves Audio Ltd.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*/
|
|
//----------------------------------------------------------------------------------
|
|
//
|
|
//
|
|
//! \file WCMRNativeAudio.h
|
|
//!
|
|
//! WCMRNativeAudio and related class declarations
|
|
//!
|
|
//---------------------------------------------------------------------------------*/
|
|
#ifndef __WCMRNativeAudio_h_
|
|
#define __WCMRNativeAudio_h_
|
|
|
|
#if defined(_WINDOWS)
|
|
#include "windows.h"
|
|
#endif
|
|
#include "pthread.h"
|
|
#include "WCRefManager.h"
|
|
#include "WCMRAudioDeviceManager.h"
|
|
|
|
class WCMRNativeAudioDevice; //forward
|
|
|
|
|
|
|
|
class WCMRNativeAudioDevice : public WCMRAudioDevice
|
|
{
|
|
public:
|
|
|
|
WCMRNativeAudioDevice (WCMRAudioDeviceManager *pManager, bool useMultithreading = true, bool bNoCopy = false) : WCMRAudioDevice (pManager),
|
|
m_UseMultithreading (useMultithreading),
|
|
m_bNoCopyAudioBuffer(bNoCopy)
|
|
{}
|
|
virtual ~WCMRNativeAudioDevice () {}
|
|
|
|
protected:
|
|
bool m_UseMultithreading;
|
|
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.
|
|
|
|
|
|
};
|
|
|
|
|
|
//! A dummy device to allow apps to choose "None" in case no real device connection is required.
|
|
class WCMRNativeAudioNoneDevice : public WCMRNativeAudioDevice
|
|
{
|
|
public:
|
|
WCMRNativeAudioNoneDevice (WCMRAudioDeviceManager *pManager);
|
|
virtual ~WCMRNativeAudioNoneDevice ();
|
|
virtual WTErr SetActive (bool newState);///<Prepare/Activate device.
|
|
virtual WTErr SetStreaming (bool newState);///<Start/Stop Streaming - should reconnect connections when streaming starts!
|
|
virtual WTErr SetCurrentBufferSize (int newSize);///<Change Current Buffer Size : This is a requset, might not be successful at run time!
|
|
|
|
private:
|
|
|
|
static void* __SilenceThread(void *This);
|
|
void _SilenceThread();
|
|
#if defined(_WINDOWS)
|
|
void _usleep(uint64_t usec);
|
|
#else
|
|
inline void _usleep(uint64_t usec) { ::usleep(usec); }
|
|
#endif
|
|
static const size_t __m_NumInputChannels = 32;
|
|
static const size_t __m_NumOutputChannels = 32;
|
|
pthread_t m_SilenceThread;
|
|
float *_m_inputBuffer;
|
|
float *_m_outputBuffer;
|
|
static uint64_t __get_time_nanos ();
|
|
#if defined (_WINDOWS)
|
|
HANDLE _waitableTimerForUsleep;
|
|
#endif
|
|
};
|
|
|
|
|
|
#endif //#ifndef __WCMRNativeAudio_h_
|