/usr/include/liveMedia/AudioInputDevice.hh is in liblivemedia-dev 2011.12.23-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
This library 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 Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**********/
// Copyright (c) 1996-2012 Live Networks, Inc. All rights reserved.
// Generic audio input device (such as a microphone, or an input sound card)
// C++ header
#ifndef _AUDIO_INPUT_DEVICE_HH
#define _AUDIO_INPUT_DEVICE_HH
#ifndef _FRAMED_SOURCE_HH
#include "FramedSource.hh"
#endif
class AudioPortNames {
public:
AudioPortNames();
virtual ~AudioPortNames();
unsigned numPorts;
char** portName;
};
class AudioInputDevice: public FramedSource {
public:
unsigned char bitsPerSample() const { return fBitsPerSample; }
unsigned char numChannels() const { return fNumChannels; }
unsigned samplingFrequency() const { return fSamplingFrequency; }
virtual Boolean setInputPort(int portIndex) = 0;
virtual double getAverageLevel() const = 0;
static AudioInputDevice*
createNew(UsageEnvironment& env, int inputPortNumber,
unsigned char bitsPerSample, unsigned char numChannels,
unsigned samplingFrequency, unsigned granularityInMS = 20);
static AudioPortNames* getPortNames();
static char** allowedDeviceNames;
// If this is set to non-NULL, then it's a NULL-terminated array of strings
// of device names that we are allowed to access.
protected:
AudioInputDevice(UsageEnvironment& env,
unsigned char bitsPerSample,
unsigned char numChannels,
unsigned samplingFrequency,
unsigned granularityInMS);
// we're an abstract base class
virtual ~AudioInputDevice();
protected:
unsigned char fBitsPerSample, fNumChannels;
unsigned fSamplingFrequency;
unsigned fGranularityInMS;
};
#endif
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