Source: simpleaudioencoder.h
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// ##########################################################################
// #### ####
// #### RTP Audio Server Project ####
// #### ============================ ####
// #### ####
// #### Simple Audio Encoder ####
// #### ####
// #### Version 1.00 -- February 04, 2001 ####
// #### ####
// #### Copyright (C) 1999 Thomas Dreibholz ####
// #### 2000 Universität Bonn, Abt. IV ####
// #### 2001 EMail: Dreibholz@bigfoot.com ####
// #### WWW: http://www.bigfoot.com/~dreibholz ####
// #### ####
// ##########################################################################
#ifndef SIMPLEAUDIOENCODER_H
#define SIMPLEAUDIOENCDOER_H
#include "system.h"
#include "audioencoderinterface.h"
#include "audioreaderinterface.h"
#include "audioquality.h"
#include "transportinfo.h"
#include "audioquality.h"
namespace Coral {
/**
* This class is an simple audio encoder. It does no error correction or
* redundant transmission.
*
* @short Simple Audio Encoder
* @author Thomas Dreibholz (Dreibholz@bigfoot.com)
* @version 1.0
*/
class SimpleAudioEncoder : public AudioEncoderInterface,
public AudioQuality
{
// ====== Constructor/Destructor =========================================
public:
/**
* Constructor for the audio encoder.
*
* @param audioReader AudioReaderInterface for the audio input.
*/
SimpleAudioEncoder(AudioReaderInterface* audioReader);
/**
* Destructor.
*/
~SimpleAudioEncoder();
// ====== EncoderInterface implementation ================================
/**
* getTypeID() implementation of EncoderInterface.
*
* @see EncoderInterface#getTypeID
*/
const card16 getTypeID() const;
/**
* getTypeName implementation of EncoderInterface.
*
* @see EncoderInterface#getTypeName
*/
const char* getTypeName() const;
/**
* activate() implementation of EncoderInterface.
*
* @see EncoderInterface#activate
*/
void activate();
/**
* deactivate() implementation of EncoderInterface.
*
* @see EncoderInterface#deactivate
*/
void deactivate();
/**
* reset() implementation of EncoderInterface.
*
* @see EncoderInterface#reset
*/
void reset();
/**
* prepareNextFrame() implementation of EncoderInterface.
*
* @see EncoderInterface#prepareNextFrame
*/
bool prepareNextFrame(const cardinal headerSize,
const cardinal maxPacketSize,
const cardinal flags);
/**
* getNextPacket() implementation of EncoderInterface.
*
* @see EncoderInterface#getNextPacket
*/
cardinal getNextPacket(EncoderPacket* encoderPacket);
/**
* adaptQuality() implementation of EncoderInterface.
*
* @see EncoderInterface#adaptQuality
*/
void adaptQuality(const double fractionLost,
const cardinal layer);
/**
* getTransportInfo() implementation of EncoderInterface.
*
* @see EncoderInterface#getTransportInfo
*/
void getTransportInfo(TransportInfo& transportInfo,
const cardinal headerSize,
const cardinal maxPacketSize,
const bool calculateLevels) const;
/**
* setTransportInfo() implementation of EncoderInterface.
*
* @see EncoderInterface#setTransportInfo
*/
void setTransportInfo(TransportInfo& transportInfo,
const cardinal headerSize,
const cardinal maxPacketSize,
const bool calculateLevels);
// ====== Private data ===================================================
private:
AudioReaderInterface* Source;
card8* FrameBuffer; // Current frame
cardinal FrameBufferPos;
cardinal FrameBufferSize;
card64 FramePosition;
card64 FrameMaxPosition;
AudioQuality FrameQualitySetting;
integer MediaInfoCounter;
card64 ByteRateLimit;
cardinal NetworkQualityDecrement;
cardinal SendError;
card8 ErrorCode;
};
}
#endif
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