1.什么是驱动驱动vc软件
2.求一个控制摄像头小程序的源码，要求VC下编译运行
什么是源码vc软件
vc软件是是一个开发平台，也就是驱动驱动如何查找下载的直播源码一个开发工具，基于c，源码c++的驱动驱动青岛源码时代。而VC是源码数字印章源码一门课程，主要由MFC组成。驱动驱动VC主要是源码针对Windows系统，适合一些系统级的驱动驱动开发，可以方便实现一些底层的源码调用。在VC里边嵌入汇编语言很简单。驱动驱动VC主要用在驱动程序开发，源码执行效率高,驱动驱动贷款商业源码当对系统性能要求很高的时候，可用VC开发。源码
求一个控制摄像头小程序的驱动驱动cad面积源码源码，要求VC下编译运行
VC-摄像头控制SDK源码
#include <windows.h>
#include <stdio.h>
#include <vfw.h>
#pragma comment(lib,"vfw.lib")
HWND ghWndCap ; //捕获窗的句柄
CAPDRIVERCAPS gCapDriverCaps ; //视频驱动器的能力
CAPSTATUS gCapStatus ; //捕获窗的状态
char szCaptureFile[] = "MYCAP.AVI";
char gachBuffer[];
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
LRESULT CALLBACK StatusCallbackProc(HWND hWnd,int nID,LPSTR lpStatusText)
{
if(!ghWndCap)return FALSE;//获得捕获窗的状态
capGetStatus(ghWndCap,&gCapStatus,sizeof(CAPSTATUS));//更新捕获窗的大小
SetWindowPos(ghWndCap,NULL,0,0,gCapStatus.uiImageWidth,gCapStatus.uiImageHeight,SWP_NOZORDER|SWP_NOMOVE);
if(nID==0){ //清除旧的状态信息
SetWindowText(ghWndCap,(LPSTR)"hello");
return (LRESULT)TRUE;
}//显示状态ID和状态文本
wsprintf(gachBuffer,"Status# %d: %s",nID,lpStatusText);
SetWindowText(ghWndCap,(LPSTR)gachBuffer);
return (LRESULT)TRUE;
}
LRESULT CALLBACK ErrorCallbackProc(HWND hWnd,int nErrID,LPSTR lpErrorText)
{
if(!ghWndCap)return FALSE;
if(nErrID==0)return TRUE;//清除旧的错误
wsprintf(gachBuffer,"Error# %d",nErrID);//显示错误标识和文本
MessageBox(hWnd, lpErrorText, gachBuffer,MB_OK | MB_ICONEXCLAMATION);
return (LRESULT) TRUE;
}
LRESULT CALLBACK FrameCallbackProc(HWND hWnd,LPVIDEOHDR lpVHdr)
{
FILE *fp;
fp=fopen("caram.dat","w");
if(!ghWndCap)return FALSE;//假设fp为一打开的.dat文件指针
fwrite(lpVHdr->lpData,1,lpVHdr->dwBufferLength,fp);
return (LRESULT)TRUE;
}
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,PSTR szCmdLine,int iCmdShow)
{
static TCHAR szAppName[]=TEXT("HelloWin");
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
wndclass.style=CS_HREDRAW|CS_VREDRAW;
wndclass.lpfnWndProc=WndProc;
wndclass.cbClsExtra=0;
wndclass.cbWndExtra=0;
wndclass.hInstance=hInstance;
wndclass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);
wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName=NULL;
wndclass.lpszClassName=szAppName;
if(!RegisterClass(&wndclass))
{
MessageBox(NULL,TEXT("This program requires WindowsNT!"),szAppName,MB_ICONERROR);
return 0;
}
hwnd=CreateWindow(szAppName,TEXT("The Hello Program"),WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);
ShowWindow(hwnd,iCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
RECT rect;
switch(message)
{
case WM_CREATE:
{
ghWndCap=capCreateCaptureWindow((LPSTR)"Capture Window",WS_CHILD|WS_VISIBLE,0,0,,,(HWND)hwnd,(int)0);
capSetCallbackOnError(ghWndCap,(FARPROC)ErrorCallbackProc);
capSetCallbackOnStatus(ghWndCap,(FARPROC)StatusCallbackProc);
capSetCallbackOnFrame(ghWndCap,(FARPROC)FrameCallbackProc);
capDriverConnect(ghWndCap,0); // 将捕获窗同驱动器连接
//获得驱动器的能力,相关的信息放在结构变量gCapDriverCaps中
capDriverGetCaps(ghWndCap,&gCapDriverCaps,sizeof(CAPDRIVERCAPS));
capPreviewRate(ghWndCap, ); // 设置Preview模式的显示速率
capPreview(ghWndCap, TRUE); //启动Preview模式
if(gCapDriverCaps.fHasOverlay) //检查驱动器是否有叠加能力
capOverlay(ghWndCap,TRUE); //启动Overlay模式
if(gCapDriverCaps.fHasDlgVideoSource)capDlgVideoSource(ghWndCap); //Video source 对话框
if(gCapDriverCaps.fHasDlgVideoFormat)capDlgVideoFormat(ghWndCap); // Video format 对话框
if(gCapDriverCaps.fHasDlgVideoDisplay)capDlgVideoDisplay(ghWndCap); // Video display 对话框
capFileSetCaptureFile( ghWndCap, szCaptureFile); //指定捕获文件名
capFileAlloc(ghWndCap, (L * L * 5)); //为捕获文件分配存储空间
capCaptureSequence(ghWndCap); //开始捕获视频序列
capGrabFrame(ghWndCap); //捕获单帧图像
}
return 0;
case WM_PAINT:
hdc=BeginPaint(hwnd,&ps);
GetClientRect(hwnd,&rect);
DrawText(hdc,TEXT("Hello,Windows!"),-1,&rect,DT_SINGLELINE|DT_CENTER|DT_VCENTER);
EndPaint(hwnd,&ps);
return 0;
case WM_DESTROY:
{
capSetCallbackOnStatus(ghWndCap,NULL);
capSetCallbackOnError(ghWndCap,NULL);
capSetCallbackOnFrame(ghWndCap,NULL);
capCaptureAbort(ghWndCap);//停止捕获
capDriverDisconnect(ghWndCap); //将捕获窗同驱动器断开
PostQuitMessage(0);
}
return 0;
}
return DefWindowProc(hwnd,message,wParam,lParam);
}