Dirac - A Video Codec

Created by the British Broadcasting Corporation.


Public Member Functions | Protected Attributes
dirac::StreamPicInput Class Reference

Picture input class. More...

#include <pic_io.h>

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List of all members.

Public Member Functions

 StreamPicInput ()
 Default Constructor.
 StreamPicInput (std::istream *ip_pic_ptr, const SourceParams &sparams)
 Constructor.
virtual ~StreamPicInput ()
 Destructor.
virtual void Skip (const int n)=0
 Skip n frames of input.
virtual bool ReadNextPicture (Picture &mypic)=0
 Read the next picture frame/field from the file.
SourceParamsGetSourceParams () const
 Get the source parameters.
bool End () const
 Returns true if we're at the end of the input, false otherwise.

Protected Attributes

SourceParams m_sparams
 Source parameters.
std::istream * m_ip_pic_ptr
 Input stream.

Detailed Description

Abstract Class for reading picture data from a stream.


Constructor & Destructor Documentation

dirac::StreamPicInput::StreamPicInput ( )
dirac::StreamPicInput::StreamPicInput ( std::istream *  ip_pic_ptr,
const SourceParams sparams 
)

Constructor, takes

Parameters:
ip_pic_ptrinput stream to read from
sparamsSource parameters
virtual dirac::StreamPicInput::~StreamPicInput ( )
virtual

Member Function Documentation

bool dirac::StreamPicInput::End ( ) const
SourceParams& dirac::StreamPicInput::GetSourceParams ( ) const
inline
virtual bool dirac::StreamPicInput::ReadNextPicture ( Picture mypic)
pure virtual
virtual void dirac::StreamPicInput::Skip ( const int  n)
pure virtual

Member Data Documentation

std::istream* dirac::StreamPicInput::m_ip_pic_ptr
protected
SourceParams dirac::StreamPicInput::m_sparams
mutableprotected

Referenced by GetSourceParams().


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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