本文来自:
http://blog.chinaunix.net/uid-23093301-id-86405.html
#ifndef V4L12_DRIVER_H_
#define V4L12_DRIVER_H_
#include
#include
using namespace std;
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include "def.h"
#define NB_BUFFER 4
#define DHT_SIZE 432
class CVideoDriver
{
//public:
// static CVideoDriver& instance();
//private:
// static CVideoDriver* globle_ptr;
public:
CVideoDriver();
~CVideoDriver();
int start(const string& dev,const int& width,const int& height,const int& fps,const int& format);
int capture(unsigned char* pimage);
int close();
int enalbe();
int disable();
//! for control
int v4l2_up_control(const int& control);
private:
/******************** cnfig Private Field ************************/
video_input
m_video_input;
string
usb_video_device_name;
int
m_cap_width;
int m_cap_height;
int
m_cap_fps;
int
m_cap_fmt;
private:
int
init_device();
/* @fn
* @brief set capture format
*/
int
set_format();
/* @fn
* brief set framerate
*/
int set_framerate();
/*@fn
* @brief set maped buffer
*/
int set_map_buffer();
int isv4l2Control(const int& control,struct v4l2_queryctrl& queryctrl);
int v4l2GetControl(const int& control) ;
};
#endif