RGB2YUV.rar_rgb2yuv_视频格式转换

// 隔行显示BMP void CRGB2YUVView::OnReadBmp() { // TODO: Add your command handler code here CDC *pDC = GetDC(); CRect rect; CBrush brush(RGB(128,128,128)); GetClientRect(&rect); pDC->FillRect(&rect, &brush); BITMAPFILEHEADER bmfh; BITMAPINFOHEADER bmih; char strFileName[MAX_PATH]="720bmp.bmp"; CFile* f; f = new CFile(); f->Open(strFileName, CFile::modeRead); f->SeekToBegin(); f->Read(&bmfh, sizeof(bmfh)); f->Read(&bmih, sizeof(bmih)); // 分配图片像素内存 RGBTRIPLE *rgb; rgb = new RGBTRIPLE[bmih.biWidth*bmih.biHeight]; f->SeekToBegin(); f->Seek(54,CFile::begin); // BMP 54个字节之后的是像素数据 f->Read(rgb, bmih.biWidth * bmih.biHeight * 3); // 这里只读24位RGB(r,g,b)图像 // 显示上场 (奇数行组成的奇数场) for (int i = 0; i<bmih.biHeight; i++) { for (int j = 0; j<bmih.biWidth; j++) { if(!(i%2)) pDC->SetPixel(j, bmih.biHeight-i, RGB(rgb[i*bmih.biWidth+j].rgbtRed, rgb[i*bmih.biWidth+j].rgbtGreen,rgb[i*bmih.biWidth+j].rgbtBlue)); for (int k=0; k<1000; k++) ; //延时 } } Sleep(500); // 显示下场 (偶数行组成的偶数场) for (int i_ = 0; i_<bmih.biHeight; i_++) { for (int j_ = 0; j_<bmih.biWidth; j_++) { if(i_%2) pDC->SetPixel(j_, bmih.biHeight-i_, RGB(rgb[i_*bmih.biWidth+j_].rgbtRed, rgb[i_*bmih.biWidth+j_].rgbtGreen, rgb[i_*bmih.biWidth+j_].rgbtBlue)); for (int k=0; k<1000; k++) ; //延时 } } // 显示24位BMP信息 LONG dwWidth = bmih.biWidth; LONG dwHeight = bmih.biHeight; WORD wBitCount = bmih.biBitCount; char buffer[80]; sprintf(buffer,"图像宽为：%ld 高为：%ld 像数位数：%d", dwWidth, dwHeight, wBitCount); MessageBox(buffer, "每个像素的位数", MB_OK | MB_ICONINFORMATION); f->Close(); delete f; delete rgb;