利用vfw库将一系列bmp图转换为压缩的avi视频

#include "stdafx.h"#include "Vfw.h"#pragma comment( lib, "Vfw32.lib" )#pragma warning ( disable : 4996 )//======================================================================================//// 功能 : 将目录中的图像件制用成AVI视频// 参数 : videoWidth、videoHeight代表输出的视频的宽度和高度//        pAviName 代表输出的视频的文件名//  pDir代表存放图像文件的路径. 此文件夹下的图像文件的尺寸需要一致//  bpp 代表图像中每像素位数//======================================================================================void ImageToAVI( LPCTSTR pAviName, LPCTSTR pDir, int videoWidth, int videoHeight, int bpp ){if ( NULL == pAviName || NULL == pDir )return;// 初始化AVI 库AVIFileInit();//// Create AVI file//PAVIFILE pAviFile = NULL;HRESULT hr = AVIFileOpen( &pAviFile, pAviName, OF_WRITE | OF_CREATE, NULL );if ( 0 != hr ){ASSERT( FALSE );return;}//// Create AVI video stream//AVISTREAMINFO strhdr;memset( &strhdr, 0, sizeof( strhdr ) );strhdr.fccType = streamtypeVIDEO;strhdr.fccHandler = mmioFOURCC('X','V','I','D');strhdr.dwScale = 1;strhdr.dwRate = 25;//设置帧速// Calc image sizeUINT pitch = ( videoWidth * bpp + 31 ) / 32 * 4;UINT biSizeImage = ( videoWidth * bpp + 31 ) / 32 * 4 * videoHeight;strhdr.dwSuggestedBufferSize = biSizeImage;SetRect( &strhdr.rcFrame, 0, 0, videoWidth, videoHeight );// And create the stream;PAVISTREAM pAviStream = NULL;hr = AVIFileCreateStream( pAviFile, &pAviStream, &strhdr );if ( 0 != hr ){ASSERT( FALSE );AVIFileRelease( pAviFile );pAviFile = NULL;return;}////设置压缩选项，创建压缩流//AVICOMPRESSOPTIONS  options; AVICOMPRESSOPTIONS * aoptions[1] = {&options};memset(&options,0,sizeof(options));options.fccType = ICTYPE_VIDEO ;options.fccHandler = mmioFOURCC('X','V','I','D');options.dwQuality = 2000;options.dwFlags = 8 ;options.lpParms = 0;options.cbParms = 0 ;PAVISTREAM pCompressedStream;AVIMakeCompressedStream(&pCompressedStream,pAviStream,&options,NULL);//// Set stream format//BITMAPINFOHEADER bih;memset( &bih, 0, sizeof( BITMAPINFOHEADER ) );bih.biBitCount = bpp;bih.biClrImportant = 0;bih.biClrUsed = 0;bih.biCompression = BI_RGB;bih.biPlanes = 1;bih.biSize = 40;bih.biXPelsPerMeter = 0;bih.biYPelsPerMeter = 0;bih.biWidth = videoWidth;    bih.biHeight = videoHeight;    bih.biSizeImage = biSizeImage;hr = AVIStreamSetFormat( pCompressedStream, 0, &bih, sizeof( bih ) );if ( 0 != hr ){ASSERT( FALSE );AVIStreamClose( pAviStream );pAviStream = NULL;AVIFileRelease( pAviFile );pAviFile = NULL;}//// 遍历每一个图像，制作成视频中的一帧帧图像//TCHAR imageDir[ MAX_PATH ];memset( imageDir, 0, sizeof( imageDir ) );sprintf( imageDir, "%s\\*.*", pDir );CFileFind finder;BOOL bFind = finder.FindFile( imageDir );int nFrames =0;// 图像数据缓冲区BYTE * pData = new BYTE[ biSizeImage ];if ( pData ){memset( pData, 0, biSizeImage );}while ( bFind ){bFind = finder.FindNextFile();if ( !finder.IsDots() && !finder.IsDirectory() ){// 获取图像文件绝对路径CString str = finder.GetFilePath();//// Open Image and get image info & data//CImage img;if ( FAILED( img.Load( str ) ) ){TRACE( "Warning : fail to load file %s!!!\n", str );continue;}//// 读取图像数据，更新AVI视频帧//if ( pData ){int w = min( videoWidth, img.GetWidth() );int h = min( videoHeight, img.GetHeight() );for ( int i = 0; i < h; i++ )for ( int j = 0; j < w; j++ ){COLORREF clr = img.GetPixel( j, h-1-i);//(j,i)pData[ i * pitch + j * ( bpp / 8 ) + 0 ] = GetBValue( clr );pData[ i * pitch + j * ( bpp / 8 ) + 1 ] = GetGValue( clr );pData[ i * pitch + j * ( bpp / 8 ) + 2 ] = GetRValue( clr );}hr = AVIStreamWrite( pCompressedStream, nFrames, 1, pData, biSizeImage, AVIIF_KEYFRAME, NULL, NULL );ASSERT( 0 == hr );}nFrames ++;}}if (pData!=NULL){delete [] pData;pData = NULL;}if (pAviStream!=NULL){AVIStreamClose(pAviStream);pAviStream = NULL;}if (pCompressedStream!=NULL){AVIStreamClose(pCompressedStream);pCompressedStream = NULL;}if (pAviFile!=NULL){AVIFileRelease(pAviFile);pAviFile = NULL;}AVIFileExit();}