A ref counted video frame. More...
#include <vidl_frame.h>
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_ |
A ref counted video frame.
Definition at line 26 of file vidl_frame.h.
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.
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] |
Implemented in vidl_memory_chunk_frame, and vidl_shared_frame.
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.
vidl_pixel_format vidl_frame::format_ [protected] |
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.