用C语言写的迅雷看看XV文件提取器及C语言源代码
如果你没用过迅雷看看, 或是不知道XV文件的, ...
写了很久了, 但是担心版权问题, 一直没有帖出来~~~
能提取截止目前最新版本的迅雷看看XV文件. 好了, 不多说, 懒得多说.
还是开源吧, 效果图以后补上. 暂时没有需要转换的文件. :-)
这一版本我忘了写检查磁盘剩余空间的过程, 呃, ...
/* tabsize:4 */ #include <stdio.h> #include <string.h> #define _WIN32_WINNT 0x0502 #include <Windows.h> int cntFileProcessed = 0; //count file that processed, accumulated. int scrWidth; //screen width void ResetCursorPos(void) { CONSOLE_SCREEN_BUFFER_INFO sbi; COORD co; HANDLE hOutput; hOutput = GetStdHandle(STD_OUTPUT_HANDLE); GetConsoleScreenBufferInfo(hOutput, &sbi); co.X = sbi.dwCursorPosition.X-(5+1+4); //e.g.:1024M,100% co.Y = sbi.dwCursorPosition.Y; SetConsoleCursorPosition(hOutput, co); //sure to leave hOutput as it was return; } void ExtractFile(char* filespec) { #define BUFSIZE ((1<<20)*5) //5M buffer HANDLE hFileIn = NULL; //handle of input file HANDLE hFileOut = NULL; //handle of output file DWORD dwSizeRead = 0; //the ReadFile function Read size DWORD dwSizeWritten = 0;//the WriteFile function Written size DWORD dwSize = 0; int magicNumber = 0; //you may know when you look, I suppose. int fileType = 0; //indicates what file it is LARGE_INTEGER li; //for SetFilePointer function use,2M offset of REAL movie data BYTE hdr[4]; //the *.xv file header BYTE ch; // char* pchar; //tmp use char fileOut[MAX_PATH]; //namely, the output file BYTE* buffer = NULL; //block extraction data, every time it extracts 5MB data at most char* errMsg = NULL; //FormatMessage int lastErr = 0; //GetLastError int percent = 0; //percentage of processed data int readSize = 0; //total size Read DWORD fileSize; //total file size, for percentage use int prtLen; //the printf(and its relative) returned int dotLen; //as you see at the screen int k; //I think you know... li.LowPart = 1<<21; li.HighPart = 0; buffer = (BYTE*)malloc(BUFSIZE); //5M buffer size if(buffer == NULL) { fprintf(stderr, "内存分配失败!\n"); return; } hFileIn = CreateFile(filespec, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if(hFileIn == INVALID_HANDLE_VALUE) { free(buffer); buffer = NULL; lastErr = GetLastError(); if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, lastErr, MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), (LPSTR)&errMsg, 1, NULL)) { fprintf(stderr, "CreateFile:%s\n%s", filespec, errMsg); LocalFree((HLOCAL)errMsg); errMsg = NULL; } return; } fileSize = GetFileSize(hFileIn, NULL); if(fileSize <= 0x00200000) { fprintf(stderr, "文件大小不正确,不能小于2M.(%s)\n", filespec); free(buffer); buffer = NULL; CloseHandle(hFileIn); hFileIn = NULL; return; } fileSize -= 0x00200000; //2M offset of REAL Video data SetFilePointerEx(hFileIn, li, NULL, FILE_BEGIN); if(!ReadFile(hFileIn, hdr, 4, &dwSizeRead, NULL) || dwSizeRead==0) { lastErr = GetLastError(); if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, lastErr, MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), (LPSTR)&errMsg, 1, NULL)) { fprintf(stderr, "ReadFile:%s\n%s", filespec, errMsg); LocalFree((HLOCAL)errMsg); errMsg = NULL; } CloseHandle(hFileIn); hFileIn = NULL; free(buffer); buffer = NULL; return; } magicNumber = (338-hdr[1])&0xFF; if((BYTE)(hdr[1]+magicNumber)=='R' && (BYTE)(hdr[2]+magicNumber)=='M' && (BYTE)(hdr[3]+magicNumber)=='F') { fileType = 1; goto _go; } magicNumber = (294-hdr[1])&0xFF; if((BYTE)(hdr[2]+magicNumber)==178 && (BYTE)(hdr[3]+magicNumber)==117) { fileType = 2; goto _go; } magicNumber = (332-hdr[1])&0xFF ; if((BYTE)(hdr[1]+magicNumber)==76 && (BYTE)(hdr[2]+magicNumber)==86) { fileType = 3 ; goto _go; } magicNumber=(329-hdr[1])&0xFF ; if((BYTE)(hdr[1]+magicNumber)==73 && (BYTE)(hdr[2]+magicNumber)==70 && (BYTE)(hdr[3]+magicNumber)==70) { fileType = 4 ; goto _go; } magicNumber=(256-hdr[1])&0xFF ; if(!(magicNumber+hdr[2])) { fileType = 5 ; goto _go; } magicNumber=(256-hdr[1])&0xFF ; if((BYTE)(hdr[2]+magicNumber)==1 && (BYTE)(hdr[3]+magicNumber)==186) { fileType = 6 ; goto _go; } magicNumber=(325-hdr[1])&0xFF ; if((BYTE)(hdr[1]+magicNumber)==69 && (BYTE)(hdr[2]+magicNumber)==223 && (BYTE)(hdr[3]+magicNumber)==163) { fileType = 7 ; goto _go; } fprintf(stderr, "不能识别的文件格式!(%s)\n", filespec); free(buffer); buffer = NULL; CloseHandle(hFileIn); hFileIn = NULL; return; _go: ch = 0; pchar = strrchr(filespec,'\\'); if(!pchar) pchar = strrchr(filespec, '/'); pchar = pchar==NULL?filespec:pchar+1; switch(fileType) { case 1://rm/rmvb ch = 46; sprintf(fileOut, "%s%s", pchar, ".rmvb"); break; case 2://wmv ch = 48; sprintf(fileOut, "%s%s", pchar, ".wmv"); break; case 3://flv ch = 70; sprintf(fileOut, "%s%s", pchar, ".flv"); break; case 4://avi ch = 82; sprintf(fileOut, "%s%s", pchar, ".avi"); break; case 5://mp4 ch = 0; sprintf(fileOut, "%s%s", pchar, ".mp4"); break; case 6://mpeg ch = 0; sprintf(fileOut, "%s%s", pchar, ".mpeg"); break; case 7://mkv ch = 26; sprintf(fileOut, "%s%s", pchar, ".mkv"); break; default: break; } hFileOut = CreateFile(fileOut, GENERIC_WRITE, FILE_SHARE_READ, NULL, /*CREATE_ALWAYS*/CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL); if(hFileOut == INVALID_HANDLE_VALUE) { lastErr = GetLastError(); if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, lastErr, MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), (LPSTR)&errMsg, 1, NULL)) { fprintf(stderr, "CreateFile:%s\n%s", fileOut, errMsg); LocalFree((HLOCAL)errMsg); errMsg = NULL; } CloseHandle(hFileIn); hFileIn = NULL; free(buffer); buffer = NULL; return; } WriteFile(hFileOut, (LPVOID)&ch, 1, &dwSizeWritten, NULL); //handle file header for(k = 1; k < 4; k++) hdr[k] = (BYTE)((hdr[k]+magicNumber)&0xFF); WriteFile(hFileOut, &hdr[1], 3, &dwSizeWritten, NULL); //handle encrypted data. is it simple? ReadFile(hFileIn, buffer, 1019, &dwSizeRead, NULL); for(k=0; k<1019; k++) buffer[k] = (BYTE)(buffer[k]+magicNumber & 0xFF); WriteFile(hFileOut, buffer, 1019, &dwSizeWritten, NULL); readSize += 1024; prtLen = printf("%s(%s)", filespec, strrchr(fileOut, '.')); dotLen = scrWidth-prtLen%scrWidth; if(dotLen<=10) dotLen += scrWidth; dotLen -= 1; while(dotLen--) printf("."); //it looks like this: left edge-->|mymov.xv(.flv).............1024M, 99% | <--right edge //copy rest file, original :-), and show sth. useful. how smart thunder kankan was. while(ReadFile(hFileIn, buffer, BUFSIZE, &dwSizeRead, NULL) && dwSizeRead != 0) { WriteFile(hFileOut, buffer, dwSizeRead, &dwSizeWritten, NULL); readSize += dwSizeRead; ResetCursorPos(); printf("%4dM,%3d%%", (int)(readSize/(1<<20)), (int)(readSize/(float)fileSize*100)); } printf("\n"); CloseHandle(hFileIn); CloseHandle(hFileOut); hFileIn = NULL; hFileOut = NULL; free(buffer); buffer = NULL; cntFileProcessed++; return; } //parse if there to be a wild char void HandleFile(char* filespec) { WIN32_FIND_DATA fd; HANDLE hFile = NULL; char findpath[260]; char tmppath[260]; char* pchar = NULL; hFile = FindFirstFile(filespec, &fd); if(hFile == INVALID_HANDLE_VALUE) { fprintf(stderr, "没有文件用于处理!\n"); return; } strncpy(findpath, filespec, sizeof(findpath)); //we need to add a full current path to the dest file //since the fd.cFileName member does not include the path pchar = strrchr(findpath, '\\'); if(!pchar) pchar = strrchr(findpath, '/'); //sometimes, it's not back-slash-ed. if(pchar) *(pchar+1) = '\0'; do { if(!(fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) //eliminate directory { if(pchar) { sprintf(tmppath, "%s%s", findpath, fd.cFileName); //now it's full path ExtractFile(tmppath); } else { ExtractFile(fd.cFileName); //in current dir } } } while (FindNextFile(hFile, &fd)); //continue deep search FindClose(hFile); hFile = NULL; return; } void Usage(char* name) { char* ptr = strrchr(name, '\\'); //only the name we need, not the full path char* pmsg = "迅雷看看XV文件提取器 - 版本:1.0\n" "作者:女孩不哭 编译时间:" __DATE__ " " __TIME__ "\n\n" "使用方法:\"%s /y 文件\", 输出文件在当前工作目录下\n\n" "敬告:迅雷XV文件包含受版权保护的内容.\n" "本程序仅供研究和学习使用, 请自觉将提取的文件立即删除.\n" "切勿将本程序及其提取的文件使用于任何其它用途.\n" "对于使用本程序造成的任何后果, 由使用者自行承担法律责任!\n" "要接受此协议, 请从命令行传入/y作为第1个参数, 文件作为第2个参数.\n"; if(!ptr) ptr = strrchr(name, '/'); if(!ptr) //the cur dir is just in the exe dir ptr = name-1;//ptr+1 printf(pmsg, ptr+1); return; } int main(int argc, char** argv) { CONSOLE_SCREEN_BUFFER_INFO sbi; if(argc!=3 || stricmp(argv[1], "/y")) //xve /y file format expected { Usage(argv[0]); return 1; } GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &sbi); scrWidth = sbi.dwSize.X; //width, in characters HandleFile(argv[2]); //enum files if a wild char is detected printf("处理了 %d 个文件!\n", cntFileProcessed); return 0; }
项目及bin下载:
http://alioss.twofei.com/windows/xve.7z
https://files.cnblogs.com/nbsofer/xve.7z
女孩不哭 @ 2012-08-18 23:37:03 @ http://www.cnblogs.com/nbsofer
PS:
其实我对迅雷看看没一点兴趣...
不过, 从XV文件看来, 迅雷很聪明~~~ 那个聪明, 你懂的.
2013-06-09测试, 仍然能用
