关于AVI文件的显示问题~~~急！！！！ 救命！！！！！！！

[duangexin521]

各位谁知道怎么来显示AVI文件吗？？？？就是说当我OPEN一个AVI文件时，我想显示出它的第一帧，接着在对其进行播放，谁有这方面的资料啊！！麻烦贡献一下！！谢谢拉！！！！！！！！
[e-mail]!!

[syy64]

#include "stdafx.h"
#include "getframe.h"
#include "getframeapi.h"
#include <vfw.h>

BOOL ExtractAVIFrames(CString szFileName)
{
AVIFileInit();

PAVIFILE avi;
int res=AVIFileOpen(&avi, szFileName, OF_READ, NULL);

if (res!=AVIERR_OK)
{
//an error occures
if (avi!=NULL)
AVIFileRelease(avi);

return FALSE;
}

AVIFILEINFO avi_info;
AVIFileInfo(avi, &avi_info, sizeof(AVIFILEINFO));

CString szFileInfo;
szFileInfo.Format("Dimention: %dx%d\n"
"Length: %d frames\n"
"Max bytes per second: %d\n"
"Samples per second: %d\n"
"Streams: %d\n"
"File Type: %d", avi_info.dwWidth,
avi_info.dwHeight,
avi_info.dwLength,
avi_info.dwMaxBytesPerSec,
(DWORD) (avi_info.dwRate / avi_info.dwScale),
avi_info.dwStreams,
avi_info.szFileType);

AfxMessageBox(szFileInfo, MB_ICONINFORMATION | MB_OK);

PAVISTREAM pStream;
res=AVIFileGetStream(avi, &pStream, streamtypeVIDEO /*video stream*/,
0 /*first stream*/);

if (res!=AVIERR_OK)
{
if (pStream!=NULL)
AVIStreamRelease(pStream);

AVIFileExit();
return FALSE;
}

//do some task with the stream
int iNumFrames;
int iFirstFrame;

iFirstFrame=AVIStreamStart(pStream);
if (iFirstFrame==-1)
{
//Error getteing the frame inside the stream

if (pStream!=NULL)
AVIStreamRelease(pStream);

AVIFileExit();
return FALSE;
}

iNumFrames=AVIStreamLength(pStream);
if (iNumFrames==-1)
{
//Error getteing the number of frames inside the stream

if (pStream!=NULL)
AVIStreamRelease(pStream);

AVIFileExit();
return FALSE;
}

//getting bitmap from frame
BITMAPINFOHEADER bih;
ZeroMemory(&bih, sizeof(BITMAPINFOHEADER));

bih.biBitCount=24; //24 bit per pixel
bih.biClrImportant=0;
bih.biClrUsed = 0;
bih.biCompression = BI_RGB;
bih.biPlanes = 1;
bih.biSize = 40;
bih.biXPelsPerMeter = 0;
bih.biYPelsPerMeter = 0;
//calculate total size of RGBQUAD scanlines (DWORD aligned)
bih.biSizeImage = (((bih.biWidth * 3) + 3) & 0xFFFC) * bih.biHeight ;

PGETFRAME pFrame;
pFrame=AVIStreamGetFrameOpen(pStream,
NULL/*(BITMAPINFOHEADER*) AVIGETFRAMEF_BESTDISPLAYFMT*/ /*&bih*/);

//Get the first frame
int index=0;
for (int i=iFirstFrame; i<iNumFrames; i++)
{
index= i-iFirstFrame;

BYTE* pDIB = (BYTE*) AVIStreamGetFrame(pFrame, index);

CreateFromPackedDIBPointer(pDIB, index);
}

AVIStreamGetFrameClose(pFrame);

//close the stream after finishing the task
if (pStream!=NULL)
AVIStreamRelease(pStream);

AVIFileExit();

return TRUE;
}
///The only one function that I must describe more about is: CreateFromPackedDIBPointer(). This function takes a pointer returned from AVIStreamGetFrame() function and creates a bitmap from it. As you know, the AVIStreamGetFrame() returns a pointer to DIB information about the frame. We take this pointer and create a bitmap from it.

BOOL CreateFromPackedDIBPointer(LPBYTE pDIB, int iFrame)
{
ASSERT(pDIB!=NULL);

//Creates a full-color (no palette) DIB from a pointer to a
//full-color memory DIB

//get the BitmapInfoHeader
BITMAPINFOHEADER bih;
RtlMoveMemory(&bih.biSize, pDIB, sizeof(BITMAPINFOHEADER));

//now get the bitmap bits
if (bih.biSizeImage < 1)
{
return FALSE;
}

BYTE* Bits=new BYTE[bih.biSizeImage];

RtlMoveMemory(Bits, pDIB + sizeof(BITMAPINFOHEADER), bih.biSizeImage);

//and BitmapInfo variable-length UDT
BYTE memBitmapInfo[40];
RtlMoveMemory(memBitmapInfo, &bih, sizeof(bih));

BITMAPFILEHEADER bfh;
bfh.bfType=19778; //BM header
bfh.bfSize=55 + bih.biSizeImage;
bfh.bfReserved1=0;
bfh.bfReserved2=0;
bfh.bfOffBits=sizeof(BITMAPINFOHEADER) + sizeof(BITMAPFILEHEADER); //54

CString FileName;
FileName.Format("Frame-%05d.bmp", iFrame);

FILE* fp=fopen(FileName, "wb");
if (fp!=NULL)
{
fwrite(&bfh, sizeof(bfh), 1, fp);
fwrite(&memBitmapInfo, sizeof(memBitmapInfo), 1, fp);
fwrite(Bits, bih.biSizeImage, 1, fp);
fclose(fp);
}
else
{
TRACE0(_T("Error writing the bitmap file"));
return FALSE;
}

delete [] Bits;
return TRUE;
}

[duangexin521]

太平洋大哥很感谢你一直来对小弟的帮助！！你能不能把完整的CODE借我参考一下！
我前面使用了你的那代码但是发现很多错误！！麻烦你把完整的代码借小弟参考一下！
谢谢拉！[e-mail]

[duangexin521]

太平洋大哥 我昨天晚上研究了你的代码？我感觉你这个代码并不能在窗口中显示！
我看了一些资料要显示VIDEO应该要调用DRAWDIB（），你怎么没有调用啊？？？？

[syy64]

上面的代码很简单，自己创建一个工程，打开文档时，调用函数就行。

[syy64]

BOOL CGetframeDoc::OnOpenDocument(LPCTSTR lpszPathName)
{
if (!CDocument::OnOpenDocument(lpszPathName))
return FALSE;

// TODO: Add your specialized creation code here
ExtractAVIFrames(lpszPathName);

return TRUE;
}

[syy64]

该程序是将祯写到文件中。