OutPacketBuffer Class Reference

#include <MediaSink.hh>

Public Member Functions
	OutPacketBuffer (unsigned preferredPacketSize, unsigned maxPacketSize, unsigned maxBufferSize=0)
	~OutPacketBuffer ()
unsigned char *	curPtr () const
unsigned	totalBytesAvailable () const
unsigned	totalBufferSize () const
unsigned char *	packet () const
unsigned	curPacketSize () const
void	increment (unsigned numBytes)
void	enqueue (unsigned char const *from, unsigned numBytes)
void	enqueueWord (u_int32_t word)
void	insert (unsigned char const *from, unsigned numBytes, unsigned toPosition)
void	insertWord (u_int32_t word, unsigned toPosition)
void	extract (unsigned char *to, unsigned numBytes, unsigned fromPosition)
u_int32_t	extractWord (unsigned fromPosition)
void	skipBytes (unsigned numBytes)
Boolean	isPreferredSize () const
Boolean	wouldOverflow (unsigned numBytes) const
unsigned	numOverflowBytes (unsigned numBytes) const
Boolean	isTooBigForAPacket (unsigned numBytes) const
void	setOverflowData (unsigned overflowDataOffset, unsigned overflowDataSize, struct timeval const &presentationTime, unsigned durationInMicroseconds)
unsigned	overflowDataSize () const
struct timeval	overflowPresentationTime () const
unsigned	overflowDurationInMicroseconds () const
Boolean	haveOverflowData () const
void	useOverflowData ()
void	adjustPacketStart (unsigned numBytes)
void	resetPacketStart ()
void	resetOffset ()
void	resetOverflowData ()

Static Public Member Functions
static void	increaseMaxSizeTo (unsigned newMaxSize)

Static Public Attributes
static unsigned	maxSize

Private Attributes
unsigned	fPacketStart
unsigned	fCurOffset
unsigned	fPreferred
unsigned	fMax
unsigned	fLimit
unsigned char *	fBuf
unsigned	fOverflowDataOffset
unsigned	fOverflowDataSize
struct timeval	fOverflowPresentationTime
unsigned	fOverflowDurationInMicroseconds

Detailed Description

Definition at line 71 of file MediaSink.hh.

Constructor & Destructor Documentation

OutPacketBuffer::OutPacketBuffer	(	unsigned	preferredPacketSize,
		unsigned	maxPacketSize,
		unsigned	maxBufferSize = 0
	)

OutPacketBuffer::~OutPacketBuffer

(

)

Member Function Documentation

void OutPacketBuffer::adjustPacketStart

(

unsigned

numBytes

)

unsigned OutPacketBuffer::curPacketSize ( ) const

inline

Definition at line 87 of file MediaSink.hh.

References fCurOffset.

{return fCurOffset;}

unsigned char* OutPacketBuffer::curPtr ( ) const

inline

Definition at line 81 of file MediaSink.hh.

References fBuf, fCurOffset, and fPacketStart.

{return &fBuf[fPacketStart + fCurOffset];}

void OutPacketBuffer::enqueue	(	unsigned char const *	from,
		unsigned	numBytes
	)

void OutPacketBuffer::enqueueWord

(

u_int32_t

word

)

void OutPacketBuffer::extract	(	unsigned char *	to,
		unsigned	numBytes,
		unsigned	fromPosition
	)

u_int32_t OutPacketBuffer::extractWord

(

unsigned

fromPosition

)

Boolean OutPacketBuffer::haveOverflowData ( ) const

inline

Definition at line 118 of file MediaSink.hh.

References fOverflowDataSize.

{return fOverflowDataSize > 0;}

static void OutPacketBuffer::increaseMaxSizeTo ( unsigned  newMaxSize )

inlinestatic

Definition at line 79 of file MediaSink.hh.

References maxSize.

{ if (newMaxSize > OutPacketBuffer::maxSize) OutPacketBuffer::maxSize = newMaxSize; }

void OutPacketBuffer::increment ( unsigned  numBytes )

inline

Definition at line 89 of file MediaSink.hh.

References fCurOffset.

{fCurOffset += numBytes;}

void OutPacketBuffer::insert	(	unsigned char const *	from,
		unsigned	numBytes,
		unsigned	toPosition
	)

void OutPacketBuffer::insertWord	(	u_int32_t	word,
		unsigned	toPosition
	)

Boolean OutPacketBuffer::isPreferredSize ( ) const

inline

Definition at line 100 of file MediaSink.hh.

References fCurOffset, and fPreferred.

{return fCurOffset >= fPreferred;}

Boolean OutPacketBuffer::isTooBigForAPacket ( unsigned  numBytes ) const

inline

Definition at line 107 of file MediaSink.hh.

References fMax.

                                                      {
    return numBytes > fMax;
  }

unsigned OutPacketBuffer::numOverflowBytes ( unsigned  numBytes ) const

inline

Definition at line 104 of file MediaSink.hh.

References fCurOffset, and fMax.

                                                     {
    return (fCurOffset+numBytes) - fMax;
  }

unsigned OutPacketBuffer::overflowDataSize ( ) const

inline

Definition at line 115 of file MediaSink.hh.

References fOverflowDataSize.

{return fOverflowDataSize;}

unsigned OutPacketBuffer::overflowDurationInMicroseconds ( ) const

inline

Definition at line 117 of file MediaSink.hh.

References fOverflowDurationInMicroseconds.

{return fOverflowDurationInMicroseconds;}

struct timeval OutPacketBuffer::overflowPresentationTime ( ) const

inline

Definition at line 116 of file MediaSink.hh.

References fOverflowPresentationTime.

{return fOverflowPresentationTime;}

unsigned char* OutPacketBuffer::packet ( ) const

inline

Definition at line 86 of file MediaSink.hh.

References fBuf, and fPacketStart.

{return &fBuf[fPacketStart];}

void OutPacketBuffer::resetOffset ( )

inline

Definition at line 123 of file MediaSink.hh.

References fCurOffset.

{ fCurOffset = 0; }

void OutPacketBuffer::resetOverflowData ( )

inline

Definition at line 124 of file MediaSink.hh.

References fOverflowDataOffset, and fOverflowDataSize.

{ fOverflowDataOffset = fOverflowDataSize = 0; }

void OutPacketBuffer::resetPacketStart

(

)

void OutPacketBuffer::setOverflowData	(	unsigned	overflowDataOffset,
		unsigned	overflowDataSize,
		struct timeval const &	presentationTime,
		unsigned	durationInMicroseconds
	)

void OutPacketBuffer::skipBytes

(

unsigned

numBytes

)

unsigned OutPacketBuffer::totalBufferSize ( ) const

inline

Definition at line 85 of file MediaSink.hh.

References fLimit.

{ return fLimit; }

unsigned OutPacketBuffer::totalBytesAvailable ( ) const

inline

Definition at line 82 of file MediaSink.hh.

References fCurOffset, fLimit, and fPacketStart.

                                       {
    return fLimit - (fPacketStart + fCurOffset);
  }

void OutPacketBuffer::useOverflowData

(

)

Boolean OutPacketBuffer::wouldOverflow ( unsigned  numBytes ) const

inline

Definition at line 101 of file MediaSink.hh.

References fCurOffset, and fMax.

                                                 {
    return (fCurOffset+numBytes) > fMax;
  }

Field Documentation

unsigned char* OutPacketBuffer::fBuf

private

Definition at line 128 of file MediaSink.hh.

Referenced by curPtr(), and packet().

unsigned OutPacketBuffer::fCurOffset

private

Definition at line 127 of file MediaSink.hh.

Referenced by curPacketSize(), curPtr(), increment(), isPreferredSize(), numOverflowBytes(), resetOffset(), totalBytesAvailable(), and wouldOverflow().

unsigned OutPacketBuffer::fLimit

private

Definition at line 127 of file MediaSink.hh.

Referenced by totalBufferSize(), and totalBytesAvailable().

unsigned OutPacketBuffer::fMax

private

Definition at line 127 of file MediaSink.hh.

Referenced by isTooBigForAPacket(), numOverflowBytes(), and wouldOverflow().

unsigned OutPacketBuffer::fOverflowDataOffset

private

Definition at line 130 of file MediaSink.hh.

Referenced by resetOverflowData().

unsigned OutPacketBuffer::fOverflowDataSize

private

Definition at line 130 of file MediaSink.hh.

Referenced by haveOverflowData(), overflowDataSize(), and resetOverflowData().

unsigned OutPacketBuffer::fOverflowDurationInMicroseconds

private

Definition at line 132 of file MediaSink.hh.

Referenced by overflowDurationInMicroseconds().

struct timeval OutPacketBuffer::fOverflowPresentationTime

private

Definition at line 131 of file MediaSink.hh.

Referenced by overflowPresentationTime().

unsigned OutPacketBuffer::fPacketStart

private

Definition at line 127 of file MediaSink.hh.

Referenced by curPtr(), packet(), and totalBytesAvailable().

unsigned OutPacketBuffer::fPreferred

private

Definition at line 127 of file MediaSink.hh.

Referenced by isPreferredSize().

unsigned OutPacketBuffer::maxSize

static

Definition at line 78 of file MediaSink.hh.

Referenced by increaseMaxSizeTo().

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

• liveMedia/include/MediaSink.hh