/usr/include/svxlink/AsyncAudioEncoder.h is in libasyncaudio-dev 17.12.1-2.
This file is owned by root:root, with mode 0o644.
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@file AsyncAudioEncoder.h
@brief Base class for an audio decoder
@author Tobias Blomberg / SM0SVX
@date 2008-10-06
\verbatim
Async - A library for programming event driven applications
Copyright (C) 2003-2017 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_ENCODER_INCLUDED
#define ASYNC_AUDIO_ENCODER_INCLUDED
/****************************************************************************
*
* System Includes
*
****************************************************************************/
#include <sigc++/sigc++.h>
#include <string>
/****************************************************************************
*
* Project Includes
*
****************************************************************************/
#include <AsyncAudioSink.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 Base class for an audio encoder
@author Tobias Blomberg / SM0SVX
@date 2008-10-06
This is the base class for implementing an audio encoder.
*/
class AudioEncoder : public AudioSink, public sigc::trackable
{
public:
/**
* @brief Check if a specific encoder is available
* @param name The name of the encoder to look for
*/
static bool isAvailable(const std::string &name);
/**
* @brief Create a new encoder of the specified type
* @param name The name of the encoder to create
*/
static AudioEncoder *create(const std::string &name);
/**
* @brief Default constuctor
*/
AudioEncoder(void) {}
/**
* @brief Destructor
*/
~AudioEncoder(void) {}
/**
* @brief Get the name of the codec
* @returns Return the name of the codec
*/
virtual const char *name(void) const = 0;
/**
* @brief Set an option for the encoder
* @param name The name of the option
* @param value The value of the option
*/
virtual void setOption(const std::string &name, const std::string &value) {}
/**
* @brief Print codec parameter settings
*/
virtual void printCodecParams(void) {}
/**
* @brief Call this function when all encoded samples have been flushed
*/
void allEncodedSamplesFlushed(void) { sourceAllSamplesFlushed(); }
/**
* @brief Tell the sink to flush the previously written samples
*
* This function is used to tell the sink to flush previously written
* samples. When done flushing, the sink should call the
* sourceAllSamplesFlushed function.
* This function is normally only called from a connected source object.
*/
virtual void flushSamples(void) { flushEncodedSamples(); }
/**
* @brief A signal emitted when encoded samples are available
* @param buf Buffer containing encoded samples
* @param size The size of the buffer
*/
sigc::signal<void,const void *,int> writeEncodedSamples;
/**
* @brief This signal is emitted when the source calls flushSamples
*/
sigc::signal<void> flushEncodedSamples;
protected:
private:
AudioEncoder(const AudioEncoder&);
AudioEncoder& operator=(const AudioEncoder&);
}; /* class AudioEncoder */
} /* namespace */
#endif /* ASYNC_AUDIO_ENCODER_INCLUDED */
/*
* This file has not been truncated
*/
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