Libiconv库可以实现文字格式转换,VLC在DVB的SI信息中,字符(如SDT节目名字、提供商,和EIT等)解析显示用到这个库
1.1. 下载 iconv 库并解压,目前最新版本为 1.15
http://ftp.gnu.org/pub/gnu/libiconv/
2. VC2012新建win32静态库工程,libIconv。复制iconv库lib文件夹所有文件到工程文件夹下
3. 将config.h.in改名为config.h
4. 将libcharset/lib/localcharset.c复制过来
5. 将include文件夹下iconv.h.in复制过来,改名为iconv.h
6. 将库中scrLib/localcharset.h复制过来
7. 工程属性, C/C++, Preprocssor, Addtional include diretory增加当前文件夹”.”
8. 修改 iconv.h :
a. 删除所有的 @ 符号,
b. 注释掉/DLL_VARIABLE/,
c. ICONV_CONST改为const,
9. 修改localcharset.c:
注释掉 #include “configmake.h”
10. 把有main函数的.c文件删掉
生成libIconv.lib,头文件即iconv.h
本人编译好的LibIconv库,下载地址:https://download.csdn.net/download/xuebing1995/10538297
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在需要的用到的时候直接将libIconv.lib和iconv.h考到工程里,然后加动态或者静态加进去。
#include"stdafx.h"#include <iconv.h>#include<string>#include<iostream>using namespace std;int my_code_convert(char *from_charset,char *to_charset,char *inbuf,int inlen,char *outbuf,int outlen){ iconv_t cd; char **pin=&inbuf; char **pout=&outbuf; cd=iconv_open(to_charset,from_charset); if(cd==0) { iconv_close(cd); return -1; } int ret=iconv(cd,(const char**)pin,(size_t*)&inlen,pout,(size_t*)&outlen); if(ret==-1) { iconv_close(cd); return -1; } iconv_close(cd); return 0;}int main(){ string strGbk = "啊啊啊啊1314 4FFFGg/*"; int num = strGbk.size();//获取两个字符数,也是我字所占的字节数 unsigned char* p = (unsigned char*)strGbk.c_str(); //string strUnicode = GbkToUnicode("啊啊1314 4FFFGg/*");//转成unicode编码 char outs[100]={0}; int outsLen=100; int ret1=my_code_convert("gb2312", "UCS-2",(char*)p,num,outs,outsLen); printf("outs=%s\n",outs); char inbuf[]= {0x55,0x4a,0x55,0x4a,0x00}; //加上0x00字符串结束符,不会输出乱码 int inbufLen=strlen(inbuf); char *outStr=new char[inbufLen*10]; memset(outStr,0,inbufLen*10); int outStrLen=inbufLen*10; //使用iconv库转换 USC-2 --->GB2312 int ret=my_code_convert("UCS-2","GB2312",inbuf,inbufLen,outStr,outStrLen); if (ret!=0) { return 0; } cout<<outStr<<endl; system("pause"); return 0;}
运行结果如图:
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