# Dirac - A Video Codec

Created by the British Broadcasting Corporation.

# dirac::MemoryStreamInput Class Reference

`#include <pic_io.h>`

List of all members.

## Classes

- class InputMemoryBuffer
    Class that defines the Input Stream Memory Buffer. More...

## Public Member Functions

- MemoryStreamInput (SourceParams &sparams, bool field_input)
    Constructor.
- ~MemoryStreamInput ()
    Destructor.
- SourceParams & GetSourceParams ()
- void SetMembufReference (unsigned char *buf, int buf_size)
    Set Memory buffer.
- StreamPicInput * GetStream ()
    Return the input stream.

## Protected Member Functions

- MemoryStreamInput (const MemoryStreamInput &)
    Body-less copy constructor.
- MemoryStreamInput & operator= (const MemoryStreamInput &)
    Body-less assignment operator.

## Private Attributes

- InputMemoryBuffer m_membuf
    Input stream buffer.
- StreamPicInput * m_inp_str
    Input Stream Object.
- std::istream * m_ip_pic_ptr
    Input stream.

## Detailed Description

Class for reading picture data from memory

## Constructor & Destructor Documentation

dirac::MemoryStreamInput::MemoryStreamInput | ( | SourceParams & | sparams,
|  | bool | field_input |
| ) |  |  |

Create a MemoryStreamInput object

Parameters:

  | sparams | Source parameters
  | field_input | Treat input as fields, not frames

dirac::MemoryStreamInput::~MemoryStreamInput | ( |  | ) |

dirac::MemoryStreamInput::MemoryStreamInput | ( | const MemoryStreamInput & |  | ) | `[protected]`

## Member Function Documentation

SourceParams& dirac::MemoryStreamInput::GetSourceParams | ( |  | ) | `[inline]`

References dirac::StreamPicInput::GetSourceParams(), and m_inp_str.

StreamPicInput* dirac::MemoryStreamInput::GetStream | ( |  | ) | `[inline]`

References m_inp_str.

MemoryStreamInput& dirac::MemoryStreamInput::operator= | ( | const MemoryStreamInput & |  | ) | `[protected]`

void dirac::MemoryStreamInput::SetMembufReference | ( | unsigned char * | buf,
|  | int | buf_size |
| ) |  |  |

Set the input memory buffer variables

Parameters:

  | buf | Input Buffer to read data from
  | buf_size | Input buffer size

## Member Data Documentation

StreamPicInput* dirac::MemoryStreamInput::m_inp_str`[private]`

Referenced by GetSourceParams(), and GetStream().

std::istream* dirac::MemoryStreamInput::m_ip_pic_ptr`[private]`

InputMemoryBuffer dirac::MemoryStreamInput::m_membuf`[private]`

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

- pic_io.h

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