CVD::V4L2Buffer_Base Class Reference
[Video buffers]

#include <v4l2buffer.h>

Inheritance diagram for CVD::V4L2Buffer_Base:

List of all members.

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Detailed Description

A live video buffer from a the framegrabber (using the Video for Linux 2 API).

This provides 8-bit greyscale video frames of type CVD::V4L2Frame and throws exceptions of type CVD::Exceptions::V4L2Buffer

Definition at line 96 of file v4l2buffer.h.

Public Member Functions
	V4L2Buffer_Base (const char *devname, bool fields, V4L2BufferBlockMethod block, int input, int numbufs, unsigned long int pixtpe)
ImageRef	size ()
V4L2FrameT< unsigned char > *	get_frame ()
void	put_frame (VideoFrame< unsigned char > *f)
void	put_frame (V4L2FrameT< unsigned char > *f)
bool	frame_pending ()
double	frame_rate ()

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Constructor & Destructor Documentation

CVD::V4L2Buffer_Base::V4L2Buffer_Base	(	const char *	devname,
		bool	fields,
		V4L2BufferBlockMethod	block,
		int	input,
		int	numbufs,
		unsigned long int	pixtpe
	)

Construct a video buffer.

Parameters:

	devname	The device name
	fields
	block	Which buffer block method to use
	input	Which card input?
	numbufs	How many buffers?

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Member Function Documentation

void CVD::V4L2Buffer_Base::put_frame

(

VideoFrame< unsigned char > *

f

)

Tell the buffer that you are finished with this frame. Overloaded version of VideoBuffer<T>::put_frame().

Referenced by CVD::V4L2BufferT< T >::put_frame().

void CVD::V4L2Buffer_Base::put_frame

(

V4L2FrameT< unsigned char > *

f

)

Tell the buffer that you are finished with this frame. Overloaded version of VideoBuffer<T>::put_frame().

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

• cvd/Linux/v4l2buffer.h

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