bmptoavi 把一系列的BMP图片转换成AVI格式输出

// AviFromBmp.cpp: implementation of the CAviFromBmp class. // ////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "bta.h" #include "AviFromBmp.h" #ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[]=__FILE__; #define new DEBUG_NEW #endif ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// CAviFromBmp::CAviFromBmp() { AVIFileInit(); m_hBmp = NULL; m_pAviFile = NULL; m_pStream = NULL; m_pCompStream =NULL; m_frameNum = 0; } CAviFromBmp::~CAviFromBmp() { CloseAvi(); AVIFileExit(); } void CAviFromBmp::ReGetBmpInfo() { } void CAviFromBmp::CloseAvi() { if (m_hBmp) { CloseHandle(m_hBmp); } if(m_pStream) { AVIStreamRelease(m_pStream); m_pStream = NULL; } if(m_pCompStream) { AVIStreamRelease(m_pCompStream); m_pCompStream =NULL; } if(m_pAviFile) { AVIFileRelease(m_pAviFile); m_pAviFile= NULL; } } void CAviFromBmp::AviInitFormat(CString avifile) { if(FAILED(AVIFileOpen(&m_pAviFile,avifile,OF_CREATE|OF_WRITE, NULL))) { MessageBox(NULL,"error","open error",NULL); return; } } void CAviFromBmp::AviAddBmp(CString bmpfile) { if (m_hBmp) { CloseHandle(m_hBmp); } m_hBmp = (HBITMAP)LoadImage(NULL, bmpfile, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE); GetObject(m_hBmp, sizeof(BITMAP), &m_bm); //set bmp info ZeroMemory(&m_bmpInfo,sizeof(BITMAPINFO)); m_bmpInfo.bmiHeader.biPlanes = 1; m_bmpInfo.bmiHeader.biWidth = m_bm.bmWidth; m_bmpInfo.bmiHeader.biHeight = m_bm.bmHeight; m_bmpInfo.bmiHeader.biCompression = BI_RGB; m_bmpInfo.bmiHeader.biBitCount = m_bm.bmBitsPixel; m_bmpInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); m_bmpInfo.bmiHeader.biSizeImage = m_bmpInfo.bmiHeader.biWidth*m_bmpInfo.bmiHeader.biHeight*m_bmpInfo.bmiHeader.biBitCount/8; if(m_frameNum == 0) { InitStream(); } StreamWrite(); } void CAviFromBmp::StreamWrite() { CBitmap cbmp; cbmp.Attach(m_hBmp); LPVOID lpBits = (LPVOID)GlobalAlloc(GPTR,m_bm.bmWidth*m_bm.bmHeight*4); cbmp.GetBitmapBits(m_bm.bmWidth*m_bm.bmHeight*4,lpBits); if(FAILED(AVIStreamWrite(m_pCompStream,m_frameNum,1,lpBits,m_bm.bmWidth*m_bm.bmHeight*4,0,NULL,NULL))) { MessageBox(NULL,"error","stream write error",NULL); return; } m_frameNum++; GlobalFree(lpBits); } void CAviFromBmp::InitStream() { if (!m_pAviFile) { return; } //stream AVISTREAMINFOA psi; ZeroMemory(&psi,sizeof(AVISTREAMINFOA)); _tcscpy(psi.szName, _T("Video Stream")); psi.fccType = streamtypeVIDEO; psi.fccHandler = mmioFOURCC('M','S','V','C'); //mmioFOURCC('M','S','V','C'); psi.dwScale = 1; psi.dwRate = 1; psi.dwQuality = -1; psi.dwSuggestedBufferSize = m_bm.bmWidth * m_bm.bmHeight * 4; SetRect(&psi.rcFrame, 0, 0, m_bm.bmWidth, m_bm.bmHeight); if(FAILED(AVIFileCreateStream(m_pAviFile,&m_pStream, &psi))) { MessageBox(NULL,"error","stream error",NULL); return; } //compress stream AVICOMPRESSOPTIONS options; ZeroMemory(&options,sizeof(AVICOMPRESSOPTIONS)); options.fccType = streamtypeVIDEO; options.fccHandler = psi.fccHandler; options.dwKeyFrameEvery = 1; options.dwFlags = AVICOMPRESSF_VALID|AVICOMPRESSF_KEYFRAMES; if(FAILED(AVIMakeCompressedStream(&m_pCompStream, m_pStream, &options, NULL))) { MessageBox(NULL,"error","stream ccc error",NULL); return; } //set steam format AVIStreamSetFormat(m_pCompStream, 0, (LPVOID)&m_bmpInfo, m_bmpInfo.bmiHeader.biSize); }