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Stream Class Reference

#include <Stream.hpp>

Inheritance diagram for Stream:

List of all members.

Public Methods
int	getWidth ()
int	getHeight ()
unsigned int	getMasterGOPCount ()
unsigned int	getFrameCount ()
GOP *	getMasterGOP (unsigned int patNo)
int	fillBuffer (Frame *f)
int	freeBuffer (Frame *f)
int	fillBuffer (GOP *p)
int	freeBuffer (GOP *p)
Frame *	getFrame (uint i)
QString	getFileName ()
virtual	~Stream ()
virtual GOP *	addNextGOP (uint numframes)=0
virtual long	getFileSize ()=0
Protected Methods
	Stream (const QString &fName, bool preRead=true)
	Implementation of concret methods of the abstract class Stream.
Protected Attributes
QFile	file
QPtrList< GOP >	gopList
int	width
int	height
unsigned int	noFrames
long	fileSize

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Constructor & Destructor Documentation

Stream::~Stream (    )  [virtual]

Definition at line 20 of file Stream.cpp.

Stream::Stream (  const QString &    fName, bool    preRead = true )  [protected]

Implementation of concret methods of the abstract class Stream. Version: 0.1 alpha Author: K. Leopold Definition at line 12 of file Stream.cpp. References file, gopList, height, and width.

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Member Function Documentation

virtual GOP* Stream::addNextGOP (  uint    numframes )  [pure virtual]

Implemented in MPGStream, and YUVStream.

int Stream::fillBuffer (  GOP *    p )

Fills the buffers of all frames in a GOP. Parameters: p  Pointer to the GOP whos frames buffers has to be filled Definition at line 89 of file Stream.cpp. References ERR_OK, fillBuffer(), GOP::getFrame(), GOP::getFrameCount(), and Frame::inMem().

int Stream::fillBuffer (  Frame *    f )

Fills the buffer of a frame. Parameters: f  Pointer to the frame whos buffer has to be filled Definition at line 55 of file Stream.cpp. References ERR, ERR_OK, file, Frame::getBuffer(), Frame::getByteSize(), Frame::getFileOffset(), Frame::inMem(), and Frame::resizeBuffer(). Referenced by fillBuffer(), Frame::fillBuffer(), and PatGen::init().

int Stream::freeBuffer (  GOP *    p )

Empties the buffers of all frames in a GOP. Parameters: p  Pointer to the GOP whos frames buffers has to be drained Definition at line 106 of file Stream.cpp. References ERR_OK, GOP::getFrame(), GOP::getFrameCount(), Frame::inMem(), and Frame::resizeBuffer().

int Stream::freeBuffer (  Frame *    f )

Empties the buffer of a frame. Parameters: f  Pointer to the frame whos buffer has to be drained Definition at line 123 of file Stream.cpp. References ERR, ERR_OK, Frame::inMem(), and Frame::resizeBuffer(). Referenced by Frame::freeBuffer(), and PatGen::init().

QString Stream::getFileName (    )

Returns : File name of the stream Definition at line 153 of file Stream.cpp. References file.

virtual long Stream::getFileSize (    )  [pure virtual]

Implemented in MPGStream, and YUVStream.

Frame * Stream::getFrame (  uint    i )

Returns a frame in the stream. Parameters: i  Frame number Returns : A pointer to the frame. Definition at line 28 of file Stream.cpp. References GOP::getFrame(), GOP::getFrameCount(), getMasterGOP(), and getMasterGOPCount().

unsigned int Stream::getFrameCount (    )

Returns : The number of frames in the stream. Definition at line 148 of file Stream.cpp. References noFrames.

int Stream::getHeight (    )

Definition at line 140 of file Stream.cpp. References height. Referenced by YUVFrame::computePSNRy().

GOP * Stream::getMasterGOP (  unsigned int    patNo )

Returns a GOP in the stream. Parameters: patNo  GOP number Returns : Pointer to the GOP Definition at line 23 of file Stream.cpp. References gopList. Referenced by getFrame(), and main().

unsigned int Stream::getMasterGOPCount (    )

Returns : The number of GOPs in the stream. Definition at line 144 of file Stream.cpp. References gopList. Referenced by getFrame(), and main().

int Stream::getWidth (    )

Definition at line 136 of file Stream.cpp. References width. Referenced by YUVFrame::computePSNRy().

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Member Data Documentation

QFile Stream::file [protected]

Definition at line 86 of file Stream.hpp. Referenced by YUVStream::addNextGOP(), MPGStream::addNextGOP(), fillBuffer(), MPGStream::fillHeaderBuffer(), getFileName(), MPGStream::getNextFrame(), MPGStream::MPGStream(), MPGStream::parseHeader(), Stream(), YUVStream::YUVStream(), and MPGStream::~MPGStream().

long Stream::fileSize [protected]

Definition at line 91 of file Stream.hpp. Referenced by YUVStream::addNextGOP(), MPGStream::getAvgFrameSize(), MPGStream::getAvgGOPSize(), YUVStream::getFileSize(), MPGStream::getFileSize(), MPGStream::getNextFrame(), MPGStream::MPGStream(), and YUVStream::YUVStream().

QPtrList<GOP> Stream::gopList [protected]

Definition at line 87 of file Stream.hpp. Referenced by YUVStream::addNextGOP(), MPGStream::addNextGOP(), MPGStream::getAvgGOPSize(), getMasterGOP(), getMasterGOPCount(), MPGStream::MPGStream(), Stream(), and YUVStream::YUVStream().

int Stream::height [protected]

Definition at line 89 of file Stream.hpp. Referenced by getHeight(), Stream(), and YUVStream::YUVStream().

unsigned int Stream::noFrames [protected]

Definition at line 90 of file Stream.hpp. Referenced by YUVStream::addNextGOP(), MPGStream::addNextGOP(), MPGStream::getAvgFrameSize(), getFrameCount(), MPGStream::getNextFrame(), MPGStream::MPGStream(), and YUVStream::YUVStream().

int Stream::width [protected]

Definition at line 88 of file Stream.hpp. Referenced by getWidth(), Stream(), and YUVStream::YUVStream().

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

• Stream.hpp
• Stream.cpp

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