AVI视频碎片恢复工具企业版

hco168 · 发表于 2012-6-3 16:10:42

企业版支持碎片

个人版不支持碎片

avi碎片提取原来可以参照结构和bmp可以互转大家可以到网上找找相关源码很多

void CAVI1Dlg::OnButtonOpen()
{
AVIFileInit(); //初始化AVI
PAVIFILE avi; //声明AVI文件句柄

int res = AVIFileOpen(&avi, "avi.avi ",OF_READ,NULL); //打开AVI文件并判断
if(res != AVIERR_OK)
{
AfxMessageBox( "error #1 ");
if(avi != NULL)
AVIFileRelease(avi);
return;
}

PAVISTREAM pStream; //声明AVI流
res = AVIFileGetStream(avi,&pStream,streamtypeVIDEO,0); //打开AVI流并判断
if(res != AVIERR_OK)
{
AfxMessageBox( "error #2 ");
if(pStream != NULL)
AVIStreamRelease(pStream);
AVIFileExit();
return;
}

int iNumFrames; //声明AVI总共帧数
int iFirstFrames; //声明AVI第一帧

iFirstFrames = AVIStreamStart(pStream); //第一帧付值并判断
if(iFirstFrames == -1)
{
AfxMessageBox( "error #3 ");
if(pStream != NULL)
AVIStreamRelease(pStream);
AVIFileExit();
return;

}

iNumFrames = AVIStreamLength(pStream); //总帧数付值并判断
if(iNumFrames == -1)
{
AfxMessageBox( "error #4 ");
if(pStream != NULL)
AVIStreamRelease(pStream);
AVIFileExit();
return;
}

BITMAPINFOHEADER bih; //声明BMP信息头
ZeroMemory(&bih,sizeof(BITMAPINFOHEADER)); //开内存付值为0

//写入信息头
bih.biBitCount = 24;
bih.biClrImportant = 0;
bih.biClrUsed = 0;
bih.biCompression = BI_RGB;
bih.biPlanes = 1;
bih.biSize = 40;
bih.biXPelsPerMeter = 0;
bih.biYPelsPerMeter = 0;
bih.biSizeImage = (((bih.biWidth * 3)+3)&0xFFFC)*bih.biHeight;

PGETFRAME pFrame; //声明AVI帧
pFrame = AVIStreamGetFrameOpen(pStream,NULL); //打开AVI帧付值

int index = 0;
for(int i = iFirstFrames;i <iNumFrames;i++) //循环，取出每一帧，写入每个BMP
{
index =i - iFirstFrames;
BYTE* pDIB = (BYTE*)AVIStreamGetFrame(pFrame,index); //取出每一帧

RtlMoveMemory(&bih.biSize,pDIB,sizeof(BITMAPINFOHEADER));

BYTE* Bits = new BYTE[bih.biSizeImage]; //小东西藏在这
RtlMoveMemory(Bits,pDIB + sizeof(BITMAPINFOHEADER),bih.biSizeImage);
BYTE memBitmapInfo[40];
RtlMoveMemory(memBitmapInfo,&bih,sizeof(bih));

BITMAPFILEHEADER bfh; //声明BMP文件头，并写入
bfh.bfType = 19778;
bfh.bfSize = 55 + bih.biSizeImage;
bfh.bfReserved1 = 0;
bfh.bfReserved2 = 0;
bfh.bfOffBits = sizeof(BITMAPINFOHEADER) + sizeof(BITMAPFILEHEADER);

CString FileName; //建立文件
FileName.Format( "%d.bmp ",index);
FILE* fp = fopen(FileName, "wb ");
if(fp != NULL)
{
fwrite(&bfh,sizeof(bfh),1,fp); //写入文件头
fwrite(&memBitmapInfo,sizeof(memBitmapInfo),1,fp); //写入信息头
fwrite(Bits,bih.biSizeImage,1,fp); //写入每一帧
}
else
{
AfxMessageBox( "error #5 ");
}

delete[] Bits; //删掉小东西
}
AVIStreamGetFrameClose(pFrame); //关闭AVI帧付值，必须与打开对应
if(pStream != NULL) //善后
AVIStreamRelease(pStream);
AVIFileExit();
}