Public Member Functions | Protected Member Functions | Protected Attributes | Private Attributes
vidl_frame Class Reference

A ref counted video frame. More...

#include <vidl_frame.h>

Inheritance diagram for vidl_frame:
Inheritance graph
[legend]

List of all members.

Public Member Functions

virtual ~vidl_frame ()
 Destructor.
virtual void invalidate ()
 Make the buffer invalid (data()==0 and size()==0).
virtual void * data ()=0
 Return a pointer to the first element of data.
virtual const void * data () const =0
virtual unsigned long size () const =0
 The size of the buffer in bytes.
unsigned ni () const
 Width.
unsigned nj () const
 Height.
vidl_pixel_format pixel_format () const
 Return the pixel format.
void ref ()
 Increment reference count.
void unref ()
 Decrement reference count.
int ref_count () const
 Number of objects referring to this data.

Protected Member Functions

 vidl_frame ()
 Constructor.
 vidl_frame (unsigned ni, unsigned nj, vidl_pixel_format fmt)
 Constructor.

Protected Attributes

unsigned ni_
 frame width.
unsigned nj_
 frame height.
vidl_pixel_format format_
 frame pixel format.

Private Attributes

int ref_count_

Detailed Description

A ref counted video frame.

Definition at line 26 of file vidl_frame.h.


Constructor & Destructor Documentation

virtual vidl_frame::~vidl_frame ( ) [inline, virtual]

Destructor.

Definition at line 30 of file vidl_frame.h.

vidl_frame::vidl_frame ( ) [inline, protected]

Constructor.

Definition at line 53 of file vidl_frame.h.

vidl_frame::vidl_frame ( unsigned  ni,
unsigned  nj,
vidl_pixel_format  fmt 
) [inline, protected]

Constructor.

Definition at line 57 of file vidl_frame.h.


Member Function Documentation

virtual void* vidl_frame::data ( ) [pure virtual]

Return a pointer to the first element of data.

Implemented in vidl_memory_chunk_frame, and vidl_shared_frame.

virtual const void* vidl_frame::data ( ) const [pure virtual]
virtual void vidl_frame::invalidate ( ) [inline, virtual]

Make the buffer invalid (data()==0 and size()==0).

Reimplemented in vidl_memory_chunk_frame, and vidl_shared_frame.

Definition at line 33 of file vidl_frame.h.

unsigned vidl_frame::ni ( ) const [inline]

Width.

Definition at line 43 of file vidl_frame.h.

unsigned vidl_frame::nj ( ) const [inline]

Height.

Definition at line 46 of file vidl_frame.h.

vidl_pixel_format vidl_frame::pixel_format ( ) const [inline]

Return the pixel format.

Definition at line 49 of file vidl_frame.h.

void vidl_frame::ref ( ) [inline]

Increment reference count.

Definition at line 72 of file vidl_frame.h.

int vidl_frame::ref_count ( ) const [inline]

Number of objects referring to this data.

Definition at line 78 of file vidl_frame.h.

virtual unsigned long vidl_frame::size ( ) const [pure virtual]

The size of the buffer in bytes.

Implemented in vidl_memory_chunk_frame, and vidl_shared_frame.

void vidl_frame::unref ( )

Decrement reference count.

Definition at line 19 of file vidl_frame.cxx.


Member Data Documentation

frame pixel format.

Definition at line 65 of file vidl_frame.h.

unsigned vidl_frame::ni_ [protected]

frame width.

Definition at line 61 of file vidl_frame.h.

unsigned vidl_frame::nj_ [protected]

frame height.

Definition at line 63 of file vidl_frame.h.

int vidl_frame::ref_count_ [private]

Definition at line 81 of file vidl_frame.h.


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