Dirac - A Video Codec

Created by the British Broadcasting Corporation.

---

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 (PictureParams &pparams, PicturePredParams &picpredparams)

  Constructor.
  

• MvDataByteIO (ByteIO &byte_io, PictureParams &pparams, PicturePredParams &picpredparams)

  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.
  

• MvDataElementByteIO * SplitModeData ()

  Return pointer to the superblock splitting modes ByteIO stream.
  

• MvDataElementByteIO * PredModeData ()

  Return pointer to the superblock splitting modes ByteIO stream.
  

• MvDataElementByteIO * MV1HorizData ()

  Return pointer to the block MVs reference 1 ByteIO stream.
  

• MvDataElementByteIO * MV1VertData ()

  Return pointer to the block MVs reference 1 ByteIO stream.
  

• MvDataElementByteIO * MV2HorizData ()

  Return pointer to the block MV reference 2 ByteIO stream.
  

• MvDataElementByteIO * MV2VertData ()

  Return pointer to the block MV reference 2 ByteIO stream.
  

• MvDataElementByteIO * YDCData ()

  Return pointer to the block Y DC values ByteIO stream.
  

• MvDataElementByteIO * UDCData ()

  Return pointer to the block U DC values ByteIO stream.
  

• MvDataElementByteIO * VDCData ()

  Return pointer to the block V DC values ByteIO stream.
  

• 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 picture prediction mode.
  

• void InputPictureWeights ()

  Inputs Picture Weights.
  

• void OutputBlockParams ()

  Outputs block parameters.
  

• void OutputMVPrecision ()

  Outputs Motion vector precision data.
  

• void OutputGlobalMotionParams ()

  Outputs global motion parameters.
  

• void OutputFramePredictionMode ()

  Outputs picture prediction mode.
  

• void OutputPictureWeights ()

  Outputs Picture Weights.
  

Private Attributes

• PictureParams & m_pparams

  Sequence paramters for intput/output.
  

• PicturePredParams & m_picpredparams

  Codec params - EncParams for Output and DecParams for input.
  

• MvDataElementByteIO m_splitmode_data

  block data containing split modes
  

• MvDataElementByteIO m_predmode_data

  block data containing prediction modes
  

• MvDataElementByteIO m_mv1hblock_data

  block data containing horizontal MV components for reference 1
  

• MvDataElementByteIO m_mv1vblock_data

  block data containing vertical MV components for reference 1
  

• MvDataElementByteIO m_mv2hblock_data

  block data containing horizontal MV components for reference 2
  

• MvDataElementByteIO m_mv2vblock_data

  block data containing vertical MV components for reference 2
  

• MvDataElementByteIO m_ydcblock_data

  block data containing Y DC data
  

• MvDataElementByteIO m_udcblock_data

  block data containing U DC data
  

• MvDataElementByteIO m_vdcblock_data

  block data containing V DC data
  

---

Constructor & Destructor Documentation

dirac::MvDataByteIO::MvDataByteIO (  PictureParams &  pparams, PicturePredParams &  picpredparams )

Parameters: pparams  Picture Params picpredparams  Picture prediction parameters

dirac::MvDataByteIO::MvDataByteIO (  ByteIO &  byte_io, PictureParams &  pparams, PicturePredParams &  picpredparams )

Parameters: byte_io  Input/Output Byte stream pparams  Picture Params picpredparams  Picture prediction parameters

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

---

Member Function Documentation

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::InputGlobalMotionParams (   )  [private]

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

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

MvDataElementByteIO* dirac::MvDataByteIO::MV1HorizData (   )  [inline]

MvDataElementByteIO* dirac::MvDataByteIO::MV1VertData (   )  [inline]

MvDataElementByteIO* dirac::MvDataByteIO::MV2HorizData (   )  [inline]

MvDataElementByteIO* dirac::MvDataByteIO::MV2VertData (   )  [inline]

void dirac::MvDataByteIO::Output (   )

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

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

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

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

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

MvDataElementByteIO* dirac::MvDataByteIO::PredModeData (   )  [inline]

MvDataElementByteIO* dirac::MvDataByteIO::SplitModeData (   )  [inline]

MvDataElementByteIO* dirac::MvDataByteIO::UDCData (   )  [inline]

MvDataElementByteIO* dirac::MvDataByteIO::VDCData (   )  [inline]

MvDataElementByteIO* dirac::MvDataByteIO::YDCData (   )  [inline]

---

Member Data Documentation

MvDataElementByteIO dirac::MvDataByteIO::m_mv1hblock_data [private]

MvDataElementByteIO dirac::MvDataByteIO::m_mv1vblock_data [private]

MvDataElementByteIO dirac::MvDataByteIO::m_mv2hblock_data [private]

MvDataElementByteIO dirac::MvDataByteIO::m_mv2vblock_data [private]

PicturePredParams& dirac::MvDataByteIO::m_picpredparams [private]

PictureParams& dirac::MvDataByteIO::m_pparams [private]

MvDataElementByteIO dirac::MvDataByteIO::m_predmode_data [private]

MvDataElementByteIO dirac::MvDataByteIO::m_splitmode_data [private]

MvDataElementByteIO dirac::MvDataByteIO::m_udcblock_data [private]

MvDataElementByteIO dirac::MvDataByteIO::m_vdcblock_data [private]

MvDataElementByteIO dirac::MvDataByteIO::m_ydcblock_data [private]

---

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

• mvdata_byteio.h

---

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
HTML documentation generated by Dimitri van Heesch's excellent Doxygen tool.