inet::VoIPStreamSender::Buffer Class Reference

#include <VoIPStreamSender.h>

Public Types
enum	{ BUFSIZE = 48000*2*2 }

Public Member Functions
	Buffer ()
	~Buffer ()
void	clear (int framesize)
int	length () const
bool	empty () const
char *	readPtr ()
char *	writePtr ()
int	availableSpace () const
void	notifyRead (int length)
void	notifyWrote (int length)
void	align ()

Protected Attributes
char *	samples
int	bufferSize
int	readOffset
int	writeOffset

Member Enumeration Documentation

anonymous enum

Enumerator
BUFSIZE

{ BUFSIZE = 48000*2*2 };   // 1 second of two channel 48kHz 16bit audio

Constructor & Destructor Documentation

inet::VoIPStreamSender::Buffer::Buffer

(

)

                               :
    samples(nullptr),
    bufferSize(0),
    readOffset(0),
    writeOffset(0)
{
}

inet::VoIPStreamSender::Buffer::~Buffer

(

)

{
    delete[] samples;
}

Member Function Documentation

void inet::VoIPStreamSender::Buffer::align

(

)

Referenced by inet::VoIPStreamSender::readFrame().

{
    if (readOffset) {
        if (length())
            memcpy(samples, samples + readOffset, length());
        writeOffset -= readOffset;
        readOffset = 0;
    }
}

int inet::VoIPStreamSender::Buffer::availableSpace ( ) const

inline

Referenced by inet::VoIPStreamSender::readFrame().

{ return bufferSize - writeOffset; }

void inet::VoIPStreamSender::Buffer::clear

(

int

framesize

)

Referenced by inet::VoIPStreamSender::initialize(), and inet::VoIPStreamSender::openSoundFile().

{
    int newsize = BUFSIZE + framesize;
    if (bufferSize != newsize) {
        delete [] samples;
        bufferSize = newsize;
        samples = new char[bufferSize];
    }
    readOffset = 0;
    writeOffset = 0;
}

bool inet::VoIPStreamSender::Buffer::empty ( ) const

inline

Referenced by inet::VoIPStreamSender::generatePacket().

{ return writeOffset <= readOffset; }

int inet::VoIPStreamSender::Buffer::length ( ) const

inline

Referenced by align(), inet::VoIPStreamSender::generatePacket(), and inet::VoIPStreamSender::readFrame().

{ return writeOffset - readOffset; }

void inet::VoIPStreamSender::Buffer::notifyRead ( int  length )

inline

Referenced by inet::VoIPStreamSender::generatePacket().

{ readOffset += length; ASSERT(readOffset <= writeOffset); }

void inet::VoIPStreamSender::Buffer::notifyWrote ( int  length )

inline

Referenced by inet::VoIPStreamSender::readFrame().

{ writeOffset += length; ASSERT(writeOffset <= bufferSize); }

char* inet::VoIPStreamSender::Buffer::readPtr ( )

inline

Referenced by inet::VoIPStreamSender::generatePacket().

{ return samples + readOffset; }

char* inet::VoIPStreamSender::Buffer::writePtr ( )

inline

Referenced by inet::VoIPStreamSender::readFrame().

{ return samples + writeOffset; }

Member Data Documentation

int inet::VoIPStreamSender::Buffer::bufferSize

protected

Referenced by clear().

int inet::VoIPStreamSender::Buffer::readOffset

protected

Referenced by align(), and clear().

char* inet::VoIPStreamSender::Buffer::samples

protected

Referenced by align(), inet::VoIPStreamSender::checkSilence(), clear(), inet::VoIPStreamSender::generatePacket(), and ~Buffer().

int inet::VoIPStreamSender::Buffer::writeOffset

protected

Referenced by align(), and clear().

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The documentation for this class was generated from the following files:

• VoIPStreamSender.h
• VoIPStreamSender.cc