Dirac - A Video Codec

Created by the British Broadcasting Corporation.


Public Member Functions | Protected Member Functions
dirac::StreamFieldInput Class Reference

#include <pic_io.h>

Inheritance diagram for dirac::StreamFieldInput:
Inheritance graph
[legend]
Collaboration diagram for dirac::StreamFieldInput:
Collaboration graph
[legend]

List of all members.

Public Member Functions

 StreamFieldInput ()
 Default Constructor.
 StreamFieldInput (std::istream *ip_pic_ptr, const SourceParams &sparams)
 Constructor.
virtual ~StreamFieldInput ()
 Destructor.
virtual void Skip (const int n)
 Skip n frames of input.
virtual bool ReadNextPicture (Picture &myfield)
 Read the next field from the file.
bool ReadNextFrame (Picture &field1, Picture &field2)
 Read the next frame from the file.
- Public Member Functions inherited from dirac::StreamPicInput
 StreamPicInput ()
 Default Constructor.
 StreamPicInput (std::istream *ip_pic_ptr, const SourceParams &sparams)
 Constructor.
virtual ~StreamPicInput ()
 Destructor.
SourceParams & GetSourceParams () const
 Get the source parameters.
bool End () const
 Returns true if we're at the end of the input, false otherwise.

Protected Member Functions

bool ReadFieldComponent (PicArray &pic_data1, PicArray &pic_data2, const CompSort &cs)
 Read both Field components from the file.
bool ReadFieldComponent (bool is_field1, PicArray &pic_data, const CompSort &cs)
 Read one Field component from the file.

Additional Inherited Members

- Protected Attributes inherited from dirac::StreamPicInput
SourceParams m_sparams
 Source parameters.
std::istream * m_ip_pic_ptr
 Input stream.

Constructor & Destructor Documentation

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

Constructor, takes

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

Member Function Documentation

bool dirac::StreamFieldInput::ReadFieldComponent ( PicArray &  pic_data1,
PicArray &  pic_data2,
const CompSort &  cs 
)
protected
bool dirac::StreamFieldInput::ReadFieldComponent ( bool  is_field1,
PicArray &  pic_data,
const CompSort &  cs 
)
protected
bool dirac::StreamFieldInput::ReadNextFrame ( Picture &  field1,
Picture &  field2 
)
virtual bool dirac::StreamFieldInput::ReadNextPicture ( Picture &  myfield)
virtual

Implements dirac::StreamPicInput.

virtual void dirac::StreamFieldInput::Skip ( const int  n)
virtual

Implements dirac::StreamPicInput.


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.
HTML documentation generated by Dimitri van Heesch's excellent Doxygen tool.