1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
Copyright (C) 2014 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(PLATFORM_WINDOWS)
#include "windows.h"
#endif
#include "pthread.h"
#include "WCRefManager.h"
#include "WCMRAudioDeviceManager.h"
#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_9
#include <unistd.h>
#endif
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!
virtual WTErr UpdateDeviceInfo ();
private:
static void* __SilenceThread(void *This);
void _SilenceThread();
#if defined(PLATFORM_WINDOWS)
void _usleep(uint64_t usec);
#else
inline void _usleep(uint64_t usec) { ::usleep(usec); }
#endif
static const size_t __m_NumInputChannels = 0;
static const size_t __m_NumOutputChannels = 0;
pthread_t m_SilenceThread;
float *_m_inputBuffer;
float *_m_outputBuffer;
static uint64_t __get_time_nanos ();
#if defined (PLATFORM_WINDOWS)
HANDLE _waitableTimerForUsleep;
#endif
};
#endif //#ifndef __WCMRNativeAudio_h_
|
