ptz

The ptz proxy provides an interface to pan-tilt units such as the Sony PTZ camera. More...

Detailed Description

The ptz proxy provides an interface to pan-tilt units such as the Sony PTZ camera.

Classes
struct	playerc_ptz_t
	PTZ device data. More...

Functions
PLAYERC_EXPORT playerc_ptz_t *	playerc_ptz_create (playerc_client_t *client, int index)
	Create a ptz proxy. More...
PLAYERC_EXPORT void	playerc_ptz_destroy (playerc_ptz_t *device)
	Destroy a ptz proxy. More...
PLAYERC_EXPORT int	playerc_ptz_subscribe (playerc_ptz_t *device, int access)
	Subscribe to the ptz device. More...
PLAYERC_EXPORT int	playerc_ptz_unsubscribe (playerc_ptz_t *device)
	Un-subscribe from the ptz device. More...
PLAYERC_EXPORT int	playerc_ptz_set (playerc_ptz_t *device, double pan, double tilt, double zoom)
	Set the pan, tilt and zoom values. More...
PLAYERC_EXPORT int	playerc_ptz_query_status (playerc_ptz_t *device)
	Query the pan and tilt status. More...
PLAYERC_EXPORT int	playerc_ptz_set_ws (playerc_ptz_t *device, double pan, double tilt, double zoom, double panspeed, double tiltspeed)
	Set the pan, tilt and zoom values (and speed) More...
PLAYERC_EXPORT int	playerc_ptz_set_control_mode (playerc_ptz_t *device, int mode)
	Change control mode (select velocity or position control) More...

Function Documentation

playerc_ptz_create()

PLAYERC_EXPORT playerc_ptz_t* playerc_ptz_create	(	playerc_client_t *	client,
		int	index
	)

Create a ptz proxy.

playerc_ptz_destroy()

PLAYERC_EXPORT void playerc_ptz_destroy

(

playerc_ptz_t *

device

)

Destroy a ptz proxy.

playerc_ptz_query_status()

PLAYERC_EXPORT int playerc_ptz_query_status

(

playerc_ptz_t *

device

)

Query the pan and tilt status.

Parameters

device

Pointer to proxy object.

playerc_ptz_set()

PLAYERC_EXPORT int playerc_ptz_set	(	playerc_ptz_t *	device,
		double	pan,
		double	tilt,
		double	zoom
	)

Set the pan, tilt and zoom values.

Parameters

device	Pointer to proxy object.
pan	Pan value, in radians; 0 = centered.
tilt	Tilt value, in radians; 0 = level.
zoom	Zoom value, in radians (corresponds to camera field of view).

playerc_ptz_set_control_mode()

PLAYERC_EXPORT int playerc_ptz_set_control_mode	(	playerc_ptz_t *	device,
		int	mode
	)

Change control mode (select velocity or position control)

Parameters

device	Pointer to proxy object.
mode	Desired mode (PLAYER_PTZ_VELOCITY_CONTROL or PLAYER_PTZ_POSITION_CONTROL)

Returns

0 on success, -1 on error, -2 on NACK.

playerc_ptz_set_ws()

PLAYERC_EXPORT int playerc_ptz_set_ws	(	playerc_ptz_t *	device,
		double	pan,
		double	tilt,
		double	zoom,
		double	panspeed,
		double	tiltspeed
	)

Set the pan, tilt and zoom values (and speed)

Parameters

device	Pointer to proxy object.
pan	Pan value, in radians; 0 = centered.
tilt	Tilt value, in radians; 0 = level.
zoom	Zoom value, in radians (corresponds to camera field of view).
panspeed	Pan speed, in radians/sec.
tiltspeed	Tilt speed, in radians/sec.

playerc_ptz_subscribe()

PLAYERC_EXPORT int playerc_ptz_subscribe	(	playerc_ptz_t *	device,
		int	access
	)

Subscribe to the ptz device.

playerc_ptz_unsubscribe()

PLAYERC_EXPORT int playerc_ptz_unsubscribe

(

playerc_ptz_t *

device

)

Un-subscribe from the ptz device.