cv.h File Reference

Computer vision framework for onboard processing. More...

#include <pthread.h>
#include "std.h"
#include "peripherals/video_device.h"
#include <BOARD_CONFIG>

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Data Structures
struct	cv_async
struct	video_listener

Typedefs
typedef struct image_t *(*	cv_function )(struct image_t *img)

Functions
bool	add_video_device (struct video_config_t *device)
	Keep track of video devices added by modules. More...
struct video_listener *	cv_add_to_device (struct video_config_t *device, cv_function func, uint16_t fps)
struct video_listener *	cv_add_to_device_async (struct video_config_t *device, cv_function func, int nice_level, uint16_t fps)
void	cv_run_device (struct video_config_t *device, struct image_t *img)

Detailed Description

Computer vision framework for onboard processing.

Definition in file cv.h.

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Data Structure Documentation

struct cv_async

Definition at line 41 of file cv.h.

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Data Fields
pthread_cond_t	img_available
struct image_t	img_copy
pthread_mutex_t	img_mutex
volatile bool	img_processed
pthread_t	thread_id
volatile int	thread_priority
volatile bool	thread_running

struct video_listener

Definition at line 51 of file cv.h.

Collaboration diagram for video_listener:

Data Fields
volatile bool	active
struct cv_async *	async
cv_function	func
uint16_t	maximum_fps
struct video_listener *	next
struct timeval	ts

Typedef Documentation

typedef struct image_t*(* cv_function)(struct image_t *img)

Definition at line 39 of file cv.h.

Function Documentation

bool add_video_device

(

struct video_config_t *

device

)

Keep track of video devices added by modules.

Definition at line 189 of file video_thread.c.

References cameras, video_config_t::dev_name, initialize_camera(), and VIDEO_THREAD_MAX_CAMERAS.

Referenced by cv_add_to_device().

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struct video_listener* cv_add_to_device	(	struct video_config_t *	device,
		cv_function	func,
		uint16_t	fps
	)

Definition at line 46 of file cv.c.

References video_listener::active, add_video_device(), video_listener::async, video_config_t::cv_listener, video_listener::func, listener, video_listener::maximum_fps, and video_listener::next.

Referenced by colorfilter_init(), cv_add_to_device_async(), cv_blob_locator_init(), detect_contour_init(), detect_gate_init(), detect_window_init(), opencvdemo_init(), opticflow_module_init(), pano_unwrap_init(), qrcode_init(), undistort_image_init(), video_capture_init(), and video_usb_logger_start().

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struct video_listener* cv_add_to_device_async	(	struct video_config_t *	device,
		cv_function	func,
		int	nice_level,
		uint16_t	fps
	)

Definition at line 82 of file cv.c.

References video_listener::async, image_t::buf, image_t::buf_size, cv_add_to_device(), cv_async_thread(), cv_async::img_available, cv_async::img_copy, cv_async::img_mutex, listener, cv_async::thread_id, and cv_async::thread_priority.

Referenced by bebop_ae_awb_init(), and viewvideo_init().

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void cv_run_device	(	struct video_config_t *	device,
		struct image_t *	img
	)

Definition at line 177 of file cv.c.

References video_listener::active, video_listener::async, cv_async_function(), video_config_t::cv_listener, video_listener::func, listener, video_listener::maximum_fps, video_listener::next, timeval_diff(), image_t::ts, and video_listener::ts.

Referenced by video_thread_function().

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