stk11xx-bayer.c File Reference

Driver for Syntek USB video camera. More...

#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/version.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/kref.h>
#include <linux/usb.h>
#include <media/v4l2-common.h>
#include "stk11xx.h"

Go to the source code of this file.

Defines

#define MAX(a, b)   ((a)>(b)?(a):(b))
#define MIN(a, b)   ((a)<(b)?(a):(b))
#define CLIP(a, low, high)   MAX((low),MIN((high),(a)))

Functions

void stk11xx_b2rgb24 (uint8_t *bayer, uint8_t *rgb, struct stk11xx_coord *image, struct stk11xx_coord *view, const int hflip, const int vflip, const int factor)
 This function permits to convert an image from bayer to RGB24.
void stk11xx_b2rgb32 (uint8_t *bayer, uint8_t *rgb, struct stk11xx_coord *image, struct stk11xx_coord *view, const int hflip, const int vflip, const int factor)
 This function permits to convert an image from bayer to RGB32.
void stk11xx_b2bgr24 (uint8_t *bayer, uint8_t *bgr, struct stk11xx_coord *image, struct stk11xx_coord *view, const int hflip, const int vflip, const int factor)
 This function permits to convert an image from bayer to BGR24.
void stk11xx_b2bgr32 (uint8_t *bayer, uint8_t *bgr, struct stk11xx_coord *image, struct stk11xx_coord *view, const int hflip, const int vflip, const int factor)
 This function permits to convert an image from bayer to BGR32.
void stk11xx_b2uyvy (uint8_t *bayer, uint8_t *yuv, struct stk11xx_coord *image, struct stk11xx_coord *view, const int hflip, const int vflip, const int factor)
 This function permits to convert an image from bayer to YUV (UYVY).
void stk11xx_b2yuyv (uint8_t *bayer, uint8_t *yuv, struct stk11xx_coord *image, struct stk11xx_coord *view, const int hflip, const int vflip, const int factor)
 This function permits to convert an image from bayer to YUV (YUYV).
void stk11xx_correct_brightness (uint8_t *img, const int width, const int height, const int brightness, int palette, int depth)
 Correct the brightness of an image.
int stk11xx_decompress (struct usb_stk11xx *dev)
 Decompress a frame.

Variables

static signed short stk11xx_yuv_interp [256][8]

Detailed Description

Driver for Syntek USB video camera.

Author:
Martin ROOS
Date:
2006-01-14
Version:
v1.3.x
Note:
Copyright (C) Nicolas VIVIEN
Licences
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

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Definition in file stk11xx-bayer.c.

Function Documentation

void stk11xx_b2bgr24 ( uint8_t *  bayer,
uint8_t *  bgr,
struct stk11xx_coord *  image,
struct stk11xx_coord *  view,
const int  hflip,
const int  vflip,
const int  factor 
)

This function permits to convert an image from bayer to BGR24.

Parameters:
bayer Buffer with the bayer data
image Size of image
view Size of view
hflip Horizontal flip
vflip Vertical flip
factor Factor of redimensioning
Return values:
bgr Buffer with the BGR data

Definition at line 660 of file stk11xx-bayer.c.

Referenced by stk11xx_decompress().

void stk11xx_b2bgr32 ( uint8_t *  bayer,
uint8_t *  bgr,
struct stk11xx_coord *  image,
struct stk11xx_coord *  view,
const int  hflip,
const int  vflip,
const int  factor 
)

This function permits to convert an image from bayer to BGR32.

Parameters:
bayer Buffer with the bayer data
image Size of image
view Size of view
hflip Horizontal flip
vflip Vertical flip
factor Factor of redimensioning
Return values:
bgr Buffer with the BGR data

Definition at line 799 of file stk11xx-bayer.c.

Referenced by stk11xx_decompress().

void stk11xx_b2rgb24 ( uint8_t *  bayer,
uint8_t *  rgb,
struct stk11xx_coord *  image,
struct stk11xx_coord *  view,
const int  hflip,
const int  vflip,
const int  factor 
)

This function permits to convert an image from bayer to RGB24.

Parameters:
bayer Buffer with the bayer data
image Size of image
view Size of view
hflip Horizontal flip
vflip Vertical flip
factor Factor of redimensioning
Return values:
rgb Buffer with the RGB data

Definition at line 374 of file stk11xx-bayer.c.

Referenced by stk11xx_decompress().

void stk11xx_b2rgb32 ( uint8_t *  bayer,
uint8_t *  rgb,
struct stk11xx_coord *  image,
struct stk11xx_coord *  view,
const int  hflip,
const int  vflip,
const int  factor 
)

This function permits to convert an image from bayer to RGB32.

Parameters:
bayer Buffer with the bayer data
image Size of image
view Size of view
hflip Horizontal flip
vflip Vertical flip
factor Factor of redimensioning
Return values:
rgb Buffer with the RGB data

Definition at line 513 of file stk11xx-bayer.c.

Referenced by stk11xx_decompress().

void stk11xx_b2uyvy ( uint8_t *  bayer,
uint8_t *  yuv,
struct stk11xx_coord *  image,
struct stk11xx_coord *  view,
const int  hflip,
const int  vflip,
const int  factor 
)

This function permits to convert an image from bayer to YUV (UYVY).

Parameters:
bayer Buffer with the bayer data
image Size of image
view Size of view
hflip Horizontal flip
vflip Vertical flip
factor Factor of redimensioning
Return values:
yuv Buffer with the YUV data

Definition at line 946 of file stk11xx-bayer.c.

Referenced by stk11xx_decompress().

void stk11xx_b2yuyv ( uint8_t *  bayer,
uint8_t *  yuv,
struct stk11xx_coord *  image,
struct stk11xx_coord *  view,
const int  hflip,
const int  vflip,
const int  factor 
)

This function permits to convert an image from bayer to YUV (YUYV).

Parameters:
bayer Buffer with the bayer data
image Size of image
view Size of view
hflip Horizontal flip
vflip Vertical flip
factor Factor of redimensioning
Return values:
yuv Buffer with the YUV data

Definition at line 1125 of file stk11xx-bayer.c.

Referenced by stk11xx_decompress().

void stk11xx_correct_brightness ( uint8_t *  img,
const int  width,
const int  height,
const int  brightness,
int  palette,
int  depth 
)

Correct the brightness of an image.

This function permits to correct the brightness of an image.

Parameters:
img Buffer to RGB/YUV data
width Width of frame
height Height of frame
brightness Brightness correction
depth Color depth
Return values:
rgb Buffer to RGB/YUV data

Definition at line 270 of file stk11xx-bayer.c.

Referenced by stk11xx_decompress().

int stk11xx_decompress ( struct usb_stk11xx *  dev  ) 

Decompress a frame.

This function permits to decompress a frame from the video stream.

Parameters:
dev Device structure
Returns:
0 if all is OK

Definition at line 155 of file stk11xx-bayer.c.

References stk11xx_b2bgr24(), stk11xx_b2bgr32(), stk11xx_b2rgb24(), stk11xx_b2rgb32(), stk11xx_b2uyvy(), stk11xx_b2yuyv(), and stk11xx_correct_brightness().

Referenced by stk11xx_handle_frame().

Generated on Sun Sep 20 12:18:50 2009 for SyntekUSBVideoCamera by  doxygen 1.5.9