Dirac - A Video Codec

Created by the British Broadcasting Corporation.

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dirac::MvDataByteIO Class Reference

Represents compressed sequence-parameter data used in an AccessUnit.

#include <mvdata_byteio.h>

Inheritance diagram for dirac::MvDataByteIO:

[legend]Collaboration diagram for dirac::MvDataByteIO:

[legend]List of all members.

Public Member Functions

• MvDataByteIO (FrameParams &fparams, CodecParams &c_params)

  Constructor.
  

• MvDataByteIO (ByteIO &byte_io, FrameParams &fparams, CodecParams &c_params)

  Constructor.
  

• virtual ~MvDataByteIO ()

  Destructor.
  

• void CollateByteStats (DiracByteStats &dirac_byte_stats)

  Gathers byte stats on the motion vector data.
  

• void Output ()

  Outputs motion vector data Dirac byte-format.
  

• void Input ()

  Inputs motion vector information.
  

• virtual const std::string GetBytes ()

  Get string containing coded bytes.
  

• ByteIO * BlockData ()

  Return pointer to the block data ByteIO stream.
  

• unsigned int BlockDataSize ()

  Return the input block data size.
  

• int GetSize () const

  Return the size.
  

Private Member Functions

• void InputBlockParams ()

  Inputs block parameters.
  

• void InputMVPrecision ()

  Inputs Motion vector precision data.
  

• void InputGlobalMotionParams ()

  Inputs global motion parameters.
  

• void InputFramePredictionMode ()

  Inputs frame prediction mode.
  

• void InputFrameWeights ()

  Inputs Frame Weights.
  

• void OutputBlockParams ()

  Outputs block parameters.
  

• void OutputMVPrecision ()

  Outputs Motion vector precision data.
  

• void OutputGlobalMotionParams ()

  Outputs global motion parameters.
  

• void OutputFramePredictionMode ()

  Outputs frame prediction mode.
  

• void OutputFrameWeights ()

  Outputs Frame Weights.
  

Private Attributes

• FrameParams & m_fparams

  Sequence paramters for intput/output.
  

• CodecParams & m_cparams

  Codec params - EncParams for Output and DecParams for input.
  

• const CodecParams m_default_cparams

  Default Codec params - EncParams for Output and DecParams for input.
  

• ByteIO m_block_data

  block data
  

• unsigned int m_block_size

  In block data size.
  

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Constructor & Destructor Documentation

dirac::MvDataByteIO::MvDataByteIO (  FrameParams &  fparams, CodecParams &  c_params )

Parameters: fparams  Frame Params c_params  Codec parameters

dirac::MvDataByteIO::MvDataByteIO (  ByteIO &  byte_io, FrameParams &  fparams, CodecParams &  c_params )

Parameters: byte_io  Input/Output Byte stream fparams  Frame Params c_params  Codec parameters

virtual dirac::MvDataByteIO::~MvDataByteIO (   )  [virtual]

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Member Function Documentation

ByteIO* dirac::MvDataByteIO::BlockData (   )  [inline]

unsigned int dirac::MvDataByteIO::BlockDataSize (   )  [inline]

void dirac::MvDataByteIO::CollateByteStats (  DiracByteStats &  dirac_byte_stats  )  [virtual]

Parameters: dirac_byte_stats  Stat container Reimplemented from dirac::ByteIO.

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

Reimplemented from dirac::ByteIO.

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

Reimplemented from dirac::ByteIO.

void dirac::MvDataByteIO::Input (   )

void dirac::MvDataByteIO::InputBlockParams (   )  [private]

void dirac::MvDataByteIO::InputFramePredictionMode (   )  [private]

void dirac::MvDataByteIO::InputFrameWeights (   )  [private]

void dirac::MvDataByteIO::InputGlobalMotionParams (   )  [private]

void dirac::MvDataByteIO::InputMVPrecision (   )  [private]

void dirac::MvDataByteIO::Output (   )

void dirac::MvDataByteIO::OutputBlockParams (   )  [private]

void dirac::MvDataByteIO::OutputFramePredictionMode (   )  [private]

void dirac::MvDataByteIO::OutputFrameWeights (   )  [private]

void dirac::MvDataByteIO::OutputGlobalMotionParams (   )  [private]

void dirac::MvDataByteIO::OutputMVPrecision (   )  [private]

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Member Data Documentation

ByteIO dirac::MvDataByteIO::m_block_data [private]

unsigned int dirac::MvDataByteIO::m_block_size [private]

CodecParams& dirac::MvDataByteIO::m_cparams [private]

const CodecParams dirac::MvDataByteIO::m_default_cparams [private]

FrameParams& dirac::MvDataByteIO::m_fparams [private]

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

• mvdata_byteio.h

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