修改了ConvertRGB2YUV出错问题的基于H263协议压缩的VideoNet 视频聊天程序

// BitmapEx.cpp: implementation of the CBitmapEx class. // ////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "BitmapEx.h" #include <io.h> #include <stdio.h> #include <tchar.h> #include <stdlib.h> #include <math.h> ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// CBitmapEx::CBitmapEx() { // Init members m_lpData = NULL; m_dwSize = 0; m_iPaletteEntries = 0; m_ResampleMode = RM_NEARESTNEIGHBOUR; m_ColorMode = CM_RGB; m_lpFire = NULL; m_pFireBitmap = NULL; m_lpWaterHeightField1 = NULL; m_lpWaterHeightField2 = NULL; m_bWaterFlip = FALSE; m_iDamp = 5; m_iLightModifier = 3; m_pWaterBitmap = NULL; m_lpSmokeField = NULL; m_pSmokeBitmap = NULL; } CBitmapEx::~CBitmapEx() { // Deinit members if (m_lpData != NULL) { free(m_lpData); m_lpData = NULL; } if (m_lpFire != NULL) { free(m_lpFire); m_lpFire = NULL; } if (m_pFireBitmap != NULL) { delete m_pFireBitmap; m_pFireBitmap = NULL; } if (m_lpWaterHeightField1 != NULL) { free(m_lpWaterHeightField1); m_lpWaterHeightField1 = NULL; } if (m_lpWaterHeightField2 != NULL) { free(m_lpWaterHeightField2); m_lpWaterHeightField2 = NULL; } if (m_pWaterBitmap != NULL) { delete m_pWaterBitmap; m_pWaterBitmap = NULL; } if (m_lpSmokeField != NULL) { free(m_lpSmokeField); m_lpSmokeField = NULL; } if (m_pSmokeBitmap != NULL) { delete m_pSmokeBitmap; m_pSmokeBitmap = NULL; } } void CBitmapEx::Create(long width, long height) { // Deinit members if (m_lpData != NULL) { free(m_lpData); m_lpData = NULL; } // Format BITMAPINFOHEADER info m_iBpp = _BITS_PER_PIXEL_32 >> 3; memset(&m_bih, 0, sizeof(BITMAPINFOHEADER)); m_bih.biSize = sizeof(BITMAPINFOHEADER); m_bih.biWidth = max(0, width); m_bih.biHeight = max(0, height); m_bih.biPlanes = 1; m_bih.biBitCount = (WORD)(m_iBpp << 3); m_iPaletteEntries = 0; m_iPitch = m_bih.biWidth * m_iBpp; m_dwSize = m_iPitch * m_bih.biHeight; m_lpData = (LPBYTE)malloc(m_dwSize*sizeof(BYTE)); // Format BITMAPFILEHEADER info memset(&m_bfh, 0, sizeof(BITMAPFILEHEADER)); m_bfh.bfType = 'MB'; m_bfh.bfSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + m_dwSize; m_bfh.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER); } void CBitmapEx::Create(CBitmapEx& bitmapEx) { // Check for valid bitmap if (bitmapEx.IsValid()) { // Deinit members if (m_lpData != NULL) { free(m_lpData); m_lpData = NULL; } // Calculate bitmap params m_iBpp = bitmapEx.GetBpp() >> 3; m_iPitch = bitmapEx.GetPitch(); memcpy(&m_bfh, bitmapEx.GetFileInfo(), sizeof(BITMAPFILEHEADER)); memcpy(&m_bih, bitmapEx.GetInfo(), sizeof(BITMAPINFOHEADER)); m_dwSize = bitmapEx.GetSize(); m_lpData = (LPBYTE)malloc(m_dwSize*sizeof(BYTE)); memcpy(m_lpData, bitmapEx.GetData(), m_dwSize*sizeof(BYTE)); m_iPaletteEntries = bitmapEx.GetPaletteEntries(); memcpy(m_lpPalette, bitmapEx.GetPalette(), m_iPaletteEntries*sizeof(RGBQUAD)); m_ResampleMode = bitmapEx.GetResampleMode(); } } void CBitmapEx::Create(CBitmapEx* pBitmapEx) { // Check for valid bitmap if ((pBitmapEx != NULL) && (pBitmapEx->IsValid())) { // Deinit members if (m_lpData != NULL) { free(m_lpData); m_lpData = NULL; } // Calculate bitmap params m_iBpp = pBitmapEx->GetBpp() >> 3; m_iPitch = pBitmapEx->GetPitch(); memcpy(&m_bfh, pBitmapEx->GetFileInfo(), sizeof(BITMAPFILEHEADER)); memcpy(&m_bih, pBitmapEx->GetInfo(), sizeof(BITMAPINFOHEADER)); m_dwSize = pBitmapEx->GetSize(); m_lpData = (LPBYTE)malloc(m_dwSize*sizeof(BYTE)); memcpy(m_lpData, pBitmapEx->GetData(), m_dwSize*sizeof(BYTE)); m_iPaletteEntries = pBitmapEx->GetPaletteEntries(); memcpy(m_lpPalette, pBitmapEx->GetPalette(), m_iPaletteEntries*sizeof(RGBQUAD)); m_ResampleMode = pBitmapEx->GetResampleMode(); } } void CBitmapEx::Load(LPTSTR lpszBitmapFile) { // Check for valid .BMP file path if (lpszBitmapFile != NULL) { // Open .BMP file FILE* file = _tfopen(lpszBitmapFile, _T("rb")); if (file != NULL) { // Deinit members if (m_lpData != NULL) { free(m_lpData); m_lpData = NULL; } // Read BITMAPFILEHEADER info fread(&m_bfh, 1, sizeof(BITMAPFILEHEADER), file); // Read BITMAPINFOHEADER info fread(&m_bih, 1, sizeof(BITMAPINFOHEADER), file); // Calculate pitch m_iBpp = m_bih.biBitCount >> 3; m_iPitch = m_iBpp * m_bih.biWidth; while ((m_iPitch & 3) != 0) m_iPitch++; // Check for bit-depth (8, 16, 24 and 32bpp only) if (m_bih.biBitCount >= 8) { if (m_bih.biBitCount == 8) { // Calculate palette entries m_iPaletteEntries = m_bih.biClrUsed; if (m_iPaletteEntries == 0) m_iPaletteEntries = 256; // Read palette info fread(m_lpPalette, m_iPaletteEntries, sizeof(RGBQUAD), file); } // Read image data m_dwSize = m_iPitch * m_bih.biHeight; m_lpData = (LPBYTE)malloc(m_dwSize*sizeof(BYTE)); fread(m_lpData, m_dwSize, sizeof(BYTE), file); // Convert to 32bpp bitmap _ConvertTo32Bpp(); } // Close .BMP file fclose(file); } } } void CBitmapEx::Load(LPBYTE lpBitmapData) { // Check for valid bitmap data buffer if (lpBitmapData != NULL) { // Deinit members if (m_lpData != NULL) { free(m_lpData); m_lpData = NULL; } // Read BITMAPFILEHEADER info memcpy(&m_bfh, lpBitmapData, sizeof(BITMAPFILEHEADER)); // Read BITMAPINFOHEADER info memcpy(&m_bih, lpBitmapData+sizeof(BITMAPFILEHEADER), sizeof(BITMAPINFOHEADER)); // Calculate pitch m_iBpp = m_bih.biBitCount >> 3; m_iPitch = m_iBpp * m_bih.biWidth; while ((m_iPitch & 3) != 0) m_iPitch++; // Check for bit-depth (8, 16, 24 and 32bpp only) if (m_bih.biBitCount >= 8) { if (m_bih.biBitCount == 8) { // Calculate palette entries m_iPaletteEntries = m_bih.biClrUsed; if (m_iPaletteEntries == 0) m_iPaletteEntries = 256; // Read palette info memcpy(m_lpPalette, lpBitmapData+sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER), m_iPaletteEntries*sizeof(RGBQUAD)); } // Read image data m_dwSize = m_iPitch * m_bih.biHeight; m_lpData = (LPBYTE)malloc(m_dwSize*sizeof(BYTE)); memcpy(m_lpData, lpBitmapData+sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+m_iPaletteEntries*sizeof(RGBQUAD), m_dwSize*sizeof(BYTE)); // Convert to 32bpp bitmap _ConvertTo32Bpp(); } } } void CBitmapEx::Load(HBITMAP hBitmap) { // Check for valid bitmap handle if (hBitmap != NULL) { // Deinit members if (m_lpData != NULL) { free(m_lpData); m_lpData = NULL; } // Get bitmap info BITMAP bmp; GetObject(hBitmap, sizeof(BITMAP), &bmp); // Check for valid bitmap format (16, 24 and 32bpp only) if (bmp.bmBitsPixel > 8) { // Get bitmap data m_iBpp = bmp.bmBitsPixel >> 3; m_iPitch = bmp.bmWidthBytes; m_dwSize = bmp.bmHeight * m_iPitch; m_lpData = (LPBYTE)malloc(m_dwSize*sizeof(BYTE)); GetBitmapBits(hBitmap, m_dwSize*sizeof(BYTE), m_lpData); // Format BITMAPFILEHEADER info memset(&m_bfh, 0, sizeof(BITMAPFILEHEADER)); m_bfh.bfType = 'MB'; m_bfh.bfSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + m_dwSize; m_bfh.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER); // Format BITMAPINFOHEADER info memset(&m_bih, 0, sizeof(BITMAPINFOHEADER)); m_bih.biSize = sizeof(BITMAPINFOHEADER); m_bih.biWidth = bmp.bmWidth; m_bih.biHeight = bmp.bmHeight; m_bih.biPlanes = 1; m_bih.biBitCount = bmp.bmBitsPixel; // Convert to 32bpp bitmap _ConvertTo32Bpp(); FlipVertical