video.cpp File Reference

This file implements the video.h interface. More...

Functions
void	sleep_for_video (int stime)
	Sleep.
void *	getFrameFromCameraF (void *p)
	Function executed by the capture thread to get a new frame.
void	allocateBuffers ()
	Allocate internal buffers.
bool	setupCamera (const char *config_file, int cam_type)
	Read config file and set the camera.
void *	get_newframe (unsigned char *buffer)
	Gets a new Frame.
void	init_vars ()
int	copy_image (Image *i, void *buffer)
int	video_w (void)
	Return image horizontal dimension.
int	video_h (void)
	Return image vertical dimension.
int	video_open (const char *config_fname, int cam_type)
	Open communication with video device.
void	video_close (void)
	Close communication with video device.
int	video_getframe (Frame *f)
	Gets the frame.
void	video_startReceive ()
	Start receiving images from device.
void	video_stopReceive ()
	Stop receiving images from device.
void	video_stopThread ()
	Stop the thread for receiving images from device.
void	video_startThread ()
	Start the thread for receiving images from device.
Variables
static int	destDepth_
static int	bytesPerDestPixel_
const char *	camera_config_ = "none"

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Detailed Description

This file implements the video.h interface.

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Function Documentation

void allocateBuffers

(

)

Allocate internal buffers.

References bytesPerDestPixel_, and destDepth_.

Referenced by video_open().

int copy_image	(	Image *	i,
		void *	buffer
	)

References c_make(), Image::h, img_putc(), and Image::w.

Referenced by video_getframe().

void* get_newframe

(

unsigned char *

buffer

)

Gets a new Frame.

Returns:

the frame captured.

References sleep_for_video().

Referenced by video_getframe().

void* getFrameFromCameraF

(

void *

p

)

Function executed by the capture thread to get a new frame.

References sleep_for_video().

Referenced by video_startThread().

void init_vars

(

)

Referenced by video_open().

bool setupCamera	(	const char *	config_file,
		int	cam_type
	)

Read config file and set the camera.

Returns:

success or failure.

References destDepth_.

Referenced by video_open().

void sleep_for_video

(

int

stime

)

Sleep.

Referenced by get_newframe(), and getFrameFromCameraF().

void video_close

(

void

)

Close communication with video device.

References video_stopReceive().

Referenced by ImageViewer::changeConnectMode().

int video_getframe

(

Frame *

f

)

Gets the frame.

Parameters:

f	the frame.

Returns:

TRUE if success, else returns FALSE

References Image::c, copy_image(), get_newframe(), and img_create().

Referenced by ImageViewer::draw(), ImageViewer::initialize(), and ImageViewer::insert_frame().

int video_h

(

void

)

Return image vertical dimension.

Referenced by main().

int video_open	(	const char *	config_fname,
		int	cam_type
	)

Open communication with video device.

Returns:

the Image created.

References allocateBuffers(), init_vars(), setupCamera(), and video_startThread().

Referenced by ImageViewer::changeConnectMode(), and main().

void video_startReceive

(

)

Start receiving images from device.

void video_startThread

(

)

Start the thread for receiving images from device.

References getFrameFromCameraF().

Referenced by video_open().

void video_stopReceive

(

)

Stop receiving images from device.

Referenced by ImageViewer::initialize(), and video_close().

void video_stopThread

(

)

Stop the thread for receiving images from device.

int video_w

(

void

)

Return image horizontal dimension.

Referenced by main().

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Variable Documentation

int bytesPerDestPixel_

Referenced by allocateBuffers().

const char* camera_config_ = "none"

int destDepth_

Referenced by allocateBuffers(), and setupCamera().