Dirac - A Video Codec

Created by the British Broadcasting Corporation.


dirac::ParseUnitByteIO Class Reference

Represents a collection of data in a Dirac bytestream that can be parsed as a self-contained unit.

#include <parseunit_byteio.h>

Inheritance diagram for dirac::ParseUnitByteIO:

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Collaboration diagram for dirac::ParseUnitByteIO:

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List of all members.

Public Member Functions

Protected Member Functions

Protected Attributes

Private Attributes


Constructor & Destructor Documentation

dirac::ParseUnitByteIO::ParseUnitByteIO ( int  accessunit_fnum  ) 

Parameters:
accessunit_fnum AccessUnit number that parse-unit belongs to

dirac::ParseUnitByteIO::ParseUnitByteIO ( const ByteIO byte_io  ) 

Parameters:
byte_io Stream parameters

dirac::ParseUnitByteIO::ParseUnitByteIO ( int  accessunit_fnum,
const ParseUnitByteIO parseunit_byteio 
)

Parameters:
accessunit_fnum AccessUnit number that parse-unit belongs to
parseunit_byteio Parse-unit parameters

dirac::ParseUnitByteIO::~ParseUnitByteIO (  ) 


Member Function Documentation

virtual void dirac::ParseUnitByteIO::CollateByteStats ( DiracByteStats dirac_byte_stats  )  [virtual]

Parameters:
dirac_byte_stats Stat container

Reimplemented from dirac::ByteIO.

Reimplemented in dirac::FrameByteIO.

bool dirac::ParseUnitByteIO::Input (  ) 

Returns:
false if not enough data in stream

Reimplemented in dirac::AccessUnitByteIO, and dirac::FrameByteIO.

bool dirac::ParseUnitByteIO::IsValid ( const ParseUnitByteIO next_unit  ) 

Parameters:
next_unit Next unit i stream after this one

bool dirac::ParseUnitByteIO::Skip (  ) 

Returns:
false Nothing to skip to

virtual const std::string dirac::ParseUnitByteIO::GetBytes (  )  [virtual]

Reimplemented from dirac::ByteIO.

Reimplemented in dirac::FrameByteIO.

void dirac::ParseUnitByteIO::SetAdjacentParseUnits ( ParseUnitByteIO p_prev_parseunit  ) 

Parameters:
p_prev_parseunit Previous parse-unit

virtual int dirac::ParseUnitByteIO::GetSize (  )  const [virtual]

Reimplemented from dirac::ByteIO.

Reimplemented in dirac::AccessUnitByteIO, and dirac::FrameByteIO.

int dirac::ParseUnitByteIO::GetNextParseOffset (  )  const

int dirac::ParseUnitByteIO::GetPreviousParseOffset (  )  const

virtual ParseUnitType dirac::ParseUnitByteIO::GetType (  )  const [virtual]

Reimplemented in dirac::AccessUnitByteIO, dirac::EndOfSequenceByteIO, and dirac::FrameByteIO.

virtual int dirac::ParseUnitByteIO::CalcNextUnitOffset (  )  [protected, virtual]

Returns:
Number of bytes to next unit

Reimplemented in dirac::EndOfSequenceByteIO.

virtual unsigned char dirac::ParseUnitByteIO::CalcParseCode (  )  const [inline, protected, virtual]

Returns:
Char containing bit-set for parse-unit parameters

Reimplemented in dirac::AccessUnitByteIO, dirac::EndOfSequenceByteIO, and dirac::FrameByteIO.

bool dirac::ParseUnitByteIO::SyncToUnitStart (  )  [protected]

Returns:
false if not enough data

unsigned char dirac::ParseUnitByteIO::GetParseCode (  )  const [inline, protected]


Member Data Documentation

int dirac::ParseUnitByteIO::m_accessunit_fnum [protected]

int dirac::ParseUnitByteIO::m_previous_parse_offset [private]

int dirac::ParseUnitByteIO::m_next_parse_offset [private]

unsigned char dirac::ParseUnitByteIO::m_parse_code [private]


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

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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