Camera API - manage video capture devices

Macros
#define	MS_STATIC_IMAGE_SET_IMAGE    MS_FILTER_METHOD(MS_STATIC_IMAGE_ID,0,const char)

Typedefs
typedef struct _MSWebCamManager	MSWebCamManager
typedef struct _MSWebCamDesc	MSWebCamDesc
typedef struct _MSWebCam	MSWebCam

Functions
MSWebCamManager *	ms_web_cam_manager_get (void)
void	ms_web_cam_manager_destroy (void)
MSWebCam *	ms_web_cam_manager_get_cam (MSWebCamManager *m, const char *id)
MSWebCam *	ms_web_cam_manager_get_default_cam (MSWebCamManager *m)
const MSList *	ms_web_cam_manager_get_list (MSWebCamManager *m)
void	ms_web_cam_manager_add_cam (MSWebCamManager *m, MSWebCam *c)
void	ms_web_cam_manager_prepend_cam (MSWebCamManager *m, MSWebCam *c)
void	ms_web_cam_manager_register_desc (MSWebCamManager *m, MSWebCamDesc *desc)
void	ms_web_cam_manager_reload (MSWebCamManager *m)
struct _MSFilter *	ms_web_cam_create_reader (MSWebCam *obj)
MSWebCam *	ms_web_cam_new (MSWebCamDesc *desc)
void	ms_web_cam_destroy (MSWebCam *obj)
const char *	ms_web_cam_get_driver_type (const MSWebCam *obj)
const char *	ms_web_cam_get_name (const MSWebCam *obj)
const char *	ms_web_cam_get_string_id (MSWebCam *obj)

Detailed Description

Macro Definition Documentation

MS_STATIC_IMAGE_SET_IMAGE

#define MS_STATIC_IMAGE_SET_IMAGE    MS_FILTER_METHOD(MS_STATIC_IMAGE_ID,0,const char)

method for the "nowebcam" filter

Typedef Documentation

MSWebCamManager

MSWebCamManager

Structure for webcam manager object.

MSWebCamDesc

MSWebCamDesc

Structure for sound card description object.

MSWebCam

MSWebCam

Structure for sound card object.

Function Documentation

ms_web_cam_manager_get()

MSWebCamManager * ms_web_cam_manager_get

(

void

)

Retreive a webcam manager object.

Returns: MSWebCamManager if successfull, NULL otherwise.

ms_web_cam_manager_destroy()

void ms_web_cam_manager_destroy

(

void

)

Destroy the webcam manager object.

ms_web_cam_manager_get_cam()

MSWebCam * ms_web_cam_manager_get_cam	(	MSWebCamManager *	m,
		const char *	id
	)

Retreive a webcam object based on its name.

Parameters

m	A webcam manager containing webcam.
id	A name for card to search.

Returns: MSWebCam if successfull, NULL otherwise.

ms_web_cam_manager_get_default_cam()

MSWebCam * ms_web_cam_manager_get_default_cam

(

MSWebCamManager *

m

)

Retreive the default webcam object.

Parameters

m	A webcam manager containing webcams.

Returns: MSWebCam if successfull, NULL otherwise.

ms_web_cam_manager_get_list()

const MSList * ms_web_cam_manager_get_list

(

MSWebCamManager *

m

)

Retreive the list of webcam objects.

Parameters

m	A webcam manager containing webcams.

Returns: MSList of cards if successfull, NULL otherwise.

ms_web_cam_manager_add_cam()

void ms_web_cam_manager_add_cam	(	MSWebCamManager *	m,
		MSWebCam *	c
	)

Add a webcam object in a webcam manager's list.

Parameters

m	A webcam manager containing webcams
c	A web cam object.

ms_web_cam_manager_prepend_cam()

void ms_web_cam_manager_prepend_cam	(	MSWebCamManager *	m,
		MSWebCam *	c
	)

Add a webcam object on top of list of the webcam manager's list.

Parameters

m	A webcam manager containing webcams
c	A web cam object.

ms_web_cam_manager_register_desc()

void ms_web_cam_manager_register_desc	(	MSWebCamManager *	m,
		MSWebCamDesc *	desc
	)

Register a webcam descriptor in a webcam manager.

Parameters

m	A webcam manager containing sound cards.
desc	A webcam descriptor object.

ms_web_cam_manager_reload()

void ms_web_cam_manager_reload

(

MSWebCamManager *

m

)

Ask all registered MSWebCamDesc to detect the webcams again.

Parameters

m	A webcam manager

ms_web_cam_create_reader()

struct _MSFilter * ms_web_cam_create_reader

(

MSWebCam *

obj

)

Create an INPUT filter based on the selected camera.

Parameters

obj	A webcam object.

Returns: A MSFilter if successfull, NULL otherwise.

ms_web_cam_new()

MSWebCam * ms_web_cam_new

(

MSWebCamDesc *

desc

)

Create a new webcam object.

Parameters

desc	A webcam description object.

Returns: MSWebCam if successfull, NULL otherwise.

ms_web_cam_destroy()

void ms_web_cam_destroy

(

MSWebCam *

obj

)

Destroy webcam object.

Parameters

obj	A MSWebCam object.

ms_web_cam_get_driver_type()

const char * ms_web_cam_get_driver_type

(

const MSWebCam *

obj

)

Retreive a webcam's driver type string.

Internal driver types are either: "V4L V4LV2"

Parameters

obj	A webcam object.

Returns: a string if successfull, NULL otherwise.

ms_web_cam_get_name()

const char * ms_web_cam_get_name

(

const MSWebCam *

obj

)

Retreive a webcam's name.

Parameters

obj	A webcam object.

Returns: a string if successfull, NULL otherwise.

ms_web_cam_get_string_id()

const char * ms_web_cam_get_string_id

(

MSWebCam *

obj

)

Retreive webcam's id: ($driver_type: $name).

Parameters

obj	A webcam object.

Returns: A string if successfull, NULL otherwise.