/usr/include/svxlink/AsyncAudioClipper.h is in libasyncaudio-dev 14.08.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | /**
@file AsyncAudioClipper.h
@brief Contains an audio pipe class to clip audio to a given maximum level
@author Tobias Blomberg / SM0SVX
@date 2005-08-01
\verbatim
Async - A library for programming event driven applications
Copyright (C) 2004-2008 Tobias Blomberg / SM0SVX
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
\endverbatim
*/
#ifndef ASYNC_AUDIO_CLIPPER_INCLUDED
#define ASYNC_AUDIO_CLIPPER_INCLUDED
/****************************************************************************
*
* System Includes
*
****************************************************************************/
/****************************************************************************
*
* Project Includes
*
****************************************************************************/
#include <AsyncAudioProcessor.h>
/****************************************************************************
*
* Local Includes
*
****************************************************************************/
/****************************************************************************
*
* Forward declarations
*
****************************************************************************/
/****************************************************************************
*
* Namespace
*
****************************************************************************/
namespace Async
{
/****************************************************************************
*
* Forward declarations of classes inside of the declared namespace
*
****************************************************************************/
/****************************************************************************
*
* Defines & typedefs
*
****************************************************************************/
/****************************************************************************
*
* Exported Global Variables
*
****************************************************************************/
/****************************************************************************
*
* Class definitions
*
****************************************************************************/
/**
@brief An audio pipe class to clip audio to a given maximum level
@author Tobias Blomberg / SM0SVX
@date 2005-08-01
This is an audio pipe class that is used to clip an audio stream to a
given maximum level.
*/
class AudioClipper : public AudioProcessor
{
public:
/**
* @brief Default constuctor
* @param clip_level The level to clip at (1.0 is default)
*/
explicit AudioClipper(float clip_level=1.0) : clip_level(clip_level) {}
/**
* @brief Destructor
*/
~AudioClipper(void) {}
/**
* @brief Set the clip level
* @param level The level to set
*/
void setClipLevel(float level) { clip_level = level; }
protected:
virtual void processSamples(float *dest, const float *src, int count)
{
for (int i=0; i<count; ++i)
{
if (src[i] > clip_level)
{
dest[i] = clip_level;
}
else if (src[i] < -clip_level)
{
dest[i] = -clip_level;
}
else
{
dest[i] = src[i];
}
}
}
private:
float clip_level;
AudioClipper(const AudioClipper&);
AudioClipper& operator=(const AudioClipper&);
}; /* class AudioClipper */
} /* namespace */
#endif /* ASYNC_AUDIO_CLIPPER_INCLUDED */
/*
* This file has not been truncated
*/
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