Video Capture
[Realtime Tools]

---

Detailed Description

Video capture device management.

Functions
FLGR_RtCapture2D *	flgr2d_rtcapture_create (char *device)
void	flgr2d_rtcapture_destroy (FLGR_RtCapture2D *viddev)
char *	flgr2d_rtcapture_get_palette (FLGR_RtCapture2D *viddev)
FLGR_Ret	flgr2d_rtcapture_get_window_size (FLGR_RtCapture2D *viddev, int *size_x, int *size_y)
FLGR_Ret	flgr2d_rtcapture_gray_image (FLGR_Data2D *img, FLGR_RtCapture2D *viddev)
unsigned short	flgr2d_rtcapture_palette_from_string (char *palette)
FLGR_Ret	flgr2d_rtcapture_RGB24_image (FLGR_Data2D *imgR, FLGR_Data2D *imgG, FLGR_Data2D *imgB, FLGR_RtCapture2D *viddev)
FLGR_Ret	flgr2d_rtcapture_set_palette (FLGR_RtCapture2D *viddev, char *palette)
FLGR_Ret	flgr2d_rtcapture_set_window_size (FLGR_RtCapture2D *viddev, int size_x, int size_y)

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Function Documentation

FLGR_RtCapture2D* flgr2d_rtcapture_create

(

char *

device

)

Create the structure FLGR_RtCapture2D and initialize video capture device

Parameters:

*device

: string for path to the video capture device

Returns:

a pointer to the FLGR_RtCapture2D structure

Definition at line 228 of file flgrRtCapture.c.

void flgr2d_rtcapture_destroy

(

FLGR_RtCapture2D *

viddev

)

Destroy the structure FLGR_RtCapture2D and close correctly the video capture device

Parameters:

*viddev

: a pointer to the video capture device structure

Returns:

void

Definition at line 328 of file flgrRtCapture.c.

char* flgr2d_rtcapture_get_palette

(

FLGR_RtCapture2D *

viddev

)

Get the palette of a capture device

Parameters:

*viddev

: a pointer to the video capture device structure

Returns:

string for palette

Definition at line 152 of file flgrRtCapture.c.

FLGR_Ret flgr2d_rtcapture_get_window_size	(	FLGR_RtCapture2D *	viddev,
		int *	size_x,
		int *	size_y
	)

get the window size of the video capture device

Parameters:

	*viddev	: a pointer to the video capture device structure
	*size_x	: pointer to size_x variable
	*size_y	: pointer to size_y variable

Returns:

FLGR_Ret (FLGR_RET_OK, ..., FLGR_RET_UNDEFINED_ERROR, ...)

Definition at line 401 of file flgrRtCapture.c.

FLGR_Ret flgr2d_rtcapture_gray_image	(	FLGR_Data2D *	img,
		FLGR_RtCapture2D *	viddev
	)

Capture a gray image from a video capture device

Parameters:

	*img	: a pointer to the image structure (image must be fgUINT8)
	*viddev	: a pointer to the video capture device structure

Returns:

FLGR_Ret (FLGR_RET_OK, ..., FLGR_RET_UNDEFINED_ERROR, ...)

Definition at line 427 of file flgrRtCapture.c.

unsigned short flgr2d_rtcapture_palette_from_string

(

char *

palette

)

Return palette FLAG corresponding to a palette string

Parameters:

*palette

: string for palette.

Returns:

palette flag as defined in videodev.h

Definition at line 54 of file flgrRtCapture.c.

FLGR_Ret flgr2d_rtcapture_RGB24_image	(	FLGR_Data2D *	imgR,
		FLGR_Data2D *	imgG,
		FLGR_Data2D *	imgB,
		FLGR_RtCapture2D *	viddev
	)

Capture a RGB image from a video capture device

Parameters:

	*imgR	: a pointer to the image structure for Red (image must be fgUINT8)
	*imgG	: a pointer to the image structure for Green (image must be fgUINT8)
	*imgB	: a pointer to the image structure for Blue (image must be fgUINT8)
	*viddev	: a pointer to the video capture device structure

Returns:

FLGR_Ret (FLGR_RET_OK, ..., FLGR_RET_UNDEFINED_ERROR, ...)

Definition at line 521 of file flgrRtCapture.c.

FLGR_Ret flgr2d_rtcapture_set_palette	(	FLGR_RtCapture2D *	viddev,
		char *	palette
	)

Set a new palette in the capture device

Parameters:

	*viddev	: a pointer to the video capture device structure
	*palette	: a string for palette

Returns:

FLGR_Ret (FLGR_RET_OK, ..., FLGR_RET_UNDEFINED_ERROR, ...)

Definition at line 117 of file flgrRtCapture.c.

FLGR_Ret flgr2d_rtcapture_set_window_size	(	FLGR_RtCapture2D *	viddev,
		int	size_x,
		int	size_y
	)

Change the window size of the video capture device

Parameters:

	*viddev	: a pointer to the video capture device structure
	size_x
	size_y

Returns:

FLGR_Ret (FLGR_RET_OK, ..., FLGR_RET_UNDEFINED_ERROR, ...)

Definition at line 349 of file flgrRtCapture.c.