Dirac - A Video Codec

Created by the British Broadcasting Corporation.


dirac::StreamFieldInput Class Reference

#include <pic_io.h>

Inheritance diagram for dirac::StreamFieldInput:
dirac::StreamPicInput

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

◆ StreamFieldInput() [1/2]

dirac::StreamFieldInput::StreamFieldInput ( )

◆ StreamFieldInput() [2/2]

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

Constructor, takes

Parameters
ip_pic_ptrinput stream to read from
sparamsSource parameters

◆ ~StreamFieldInput()

virtual dirac::StreamFieldInput::~StreamFieldInput ( )
virtual

Member Function Documentation

◆ ReadFieldComponent() [1/2]

bool dirac::StreamFieldInput::ReadFieldComponent ( bool is_field1,
PicArray & pic_data,
const CompSort & cs )
protected

◆ ReadFieldComponent() [2/2]

bool dirac::StreamFieldInput::ReadFieldComponent ( PicArray & pic_data1,
PicArray & pic_data2,
const CompSort & cs )
protected

◆ ReadNextFrame()

bool dirac::StreamFieldInput::ReadNextFrame ( Picture & field1,
Picture & field2 )

◆ ReadNextPicture()

virtual bool dirac::StreamFieldInput::ReadNextPicture ( Picture & myfield)
virtual

Implements dirac::StreamPicInput.

◆ Skip()

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.
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