missing function header (old-style formal list?)新手求助
用API做的一个视频收集，就是插上摄像头以后就能显示，环境是VC6.0#include <windows.h>
#include <stdio.h>
#include <Dshow.h>
#include <iostream.h>
#include <string.h>
#include <dbt.h>
#include <mmreg.h>
#include <Streams.h>
#include "strmif.h"
#include "uuids.h"
#include "stdafx.h"
#include "status.h"
#pragma comment(lib, "strmbasd.lib")
class ISampleCaptureGraphBuilder;
class Enumerator;
HWND ghwndApp=0, ghwndStatus=0;
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM);
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 Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow( szAppName, // window class name
TEXT ("The amcap"), // window caption
WS_OVERLAPPEDWINDOW, // window style
CW_USEDEFAULT, // initial x position
CW_USEDEFAULT, // initial y position
CW_USEDEFAULT, // initial x size
CW_USEDEFAULT, // initial y size
NULL, // parent window handle
NULL, // window menu handle
hInstance, // program instance handle
NULL) ; // creation parameters
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:
return 0 ;
case WM_PAINT:
return 0 ;
case WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
class CProgress : public CUnknown, public IAMCopyCaptureFileProgress
{
public:
CProgress(TCHAR *pName, LPUNKNOWN pUnk, HRESULT *phr) :
CUnknown(pName, pUnk, phr)
{
};
~CProgress()
{
};
STDMETHODIMP_(ULONG) AddRef()
{
return 1;
};
STDMETHODIMP_(ULONG) Release()
{
return 0;
};
STDMETHODIMP QueryInterface(REFIID iid, void **p)
{
CheckPointer(p, E_POINTER);
if(iid == IID_IAMCopyCaptureFileProgress)
{
return GetInterface((IAMCopyCaptureFileProgress *)this, p);
}
else
{
return E_NOINTERFACE;
}
};
STDMETHODIMP Progress(int i)
{
TCHAR tach[80];
wsprintf(tach, TEXT("Save File Progress: %d%%\0"), i);
statusUpdateStatus(ghwndStatus, tach);
return S_OK;
};
};
HRESULT InitCaptureGraphBuilder(
IGraphBuilder **ppGraph, // Receives the pointer.
ICaptureGraphBuilder2 **ppBuild // Receives the pointer.
)
{
if (!ppGraph || !ppBuild)
{
return E_POINTER;
}
IGraphBuilder *pGraph = NULL;
ICaptureGraphBuilder2 *pBuild = NULL;
// Create the Capture Graph Builder.
HRESULT hr = CoCreateInstance(CLSID_CaptureGraphBuilder2, NULL,
CLSCTX_INPROC_SERVER, IID_ICaptureGraphBuilder2, (void**)&pGraph);
if (SUCCEEDED(hr))
{
// Create the Filter Graph Manager.
hr = CoCreateInstance(CLSID_FilterGraph, 0, CLSCTX_INPROC_SERVER,
IID_IGraphBuilder, (void**)&pGraph);
if (SUCCEEDED(hr))
{
// Initialize the Capture Graph Builder.
pBuild->SetFiltergraph(pGraph);
// Return both interface pointers to the caller.
*ppBuild = pBuild;
*ppGraph = pGraph; // The caller must release both interfaces.
return S_OK;
}
else
{
pBuild->Release();
}
}
return hr; // Failed
}
//选择一个视频捕捉设
{
ICreateDevEnum *pDevEnum = NULL;
IEnumMoniker *pEnum = NULL;
// Create the System Device Enumerator.
HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL,
CLSCTX_INPROC_SERVER, IID_ICreateDevEnum,
reinterpret_cast<void**>(&pDevEnum));
if (SUCCEEDED(hr))
{
// Create an enumerator for the video capture category.
hr = pDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,&pEnum,0);
}
}
{// 调用IPropertyBag::Read读取moniker的属性
HWND hwnd; // Handle to the list box.
IMoniker *pMoniker = NULL;
while (pEnum->Next(1, &pMoniker, NULL) == S_OK)
{
IPropertyBag *pPropBag;
hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag,
(void**)(&pPropBag));
if (FAILED(hr))
{
pMoniker->Release();
continue; // Skip this one, maybe the next one will work.
}
// Find the description or friendly name.
VARIANT varName;
VariantInit(&varName);
hr = pPropBag->Read(L"Description", &varName, 0);
if (FAILED(hr))
{
hr = pPropBag->Read(L"FriendlyName", &varName, 0);
}
if (SUCCEEDED(hr))
{
// Add it to the application's list box.
USES_CONVERSION;
(long)SendMessage(hwnd, LB_ADDSTRING, 0,
(LPARAM)OLE2T(varName.bstrVal));
VariantClear(&varName);
}
pPropBag->Release();
pMoniker->Release();
}
}
{// create the capture filter
//调用IMoniker::BindToObject为设备生成filter
IBaseFilter *pCap = NULL;
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)&pCap);
if (SUCCEEDED(hr))
{
hr = m_pGraph->AddFilter(pCap, L"Capture Filter");
}
}
{
ICaptureGraphBuilder2 *pBuild; // Capture Graph Builder
// Initialize pBuild (not shown).
IBaseFilter *pCap; // Video capture filter.
// Initialize pCap and add it to the filter graph (not shown).
hr = pBuild->RenderStream(&PIN_CATEGORY_PREVIEW, &MEDIATYPE_Video, //预览pin的种类
pCap, NULL, NULL);
}
D:\Program Files\Microsoft Visual Studio\MyProjects\video\video.cpp(173) : error C2447: missing function header (old-style formal list?)
D:\Program Files\Microsoft Visual Studio\MyProjects\video\video.cpp(190) : error C2447: missing function header (old-style formal list?)
D:\Program Files\Microsoft Visual Studio\MyProjects\video\video.cpp(225) : error C2447: missing function header (old-style formal list?)
D:\Program Files\Microsoft Visual Studio\MyProjects\video\video.cpp(236) : error C2447: missing function header (old-style formal list?)
执行 cl.exe 时出错.
有必要这么损我嘛，毕业了刚从事这一行不行啊
依然感谢