VC获得mp3文件信息(目前仅ID3V1)

来源：互联网发布：朗朗平板钢琴软件编辑：程序博客网时间：2024/05/16 12:15

#ifndef UCHAR

#define UCHAR unsigned char
#endif

typedef struct MP3ID3V1
{
   UCHAR   tag[3];       //"TAG"
   UCHAR   name[30];
   UCHAR   author[30];
   UCHAR   release[30];
   UCHAR   year[4];
   UCHAR   remark[30];
   UCHAR   type;
}CMP3ID3V1;

int GetMp3ID3V1Info(const char *fName, CMP3ID3V1 *mp3Info)
{
   int ret = 0;

   FILE *fh = fopen(fName, "rb");
   if(!fh)
   {
       return -1;
   }

   ret = fseek(fh, -128, SEEK_END);
   if(-1 == ret)
   {
       return -1;
   }

   ret = fread((void *)mp3Info, 128, 1, fh);
   if(1 != ret)
   {
       return -1;
   }

   ret = fclose(fh);
   if(0 != ret)
   {
       return -1;
   }

   return 0;
}

CString VCGetMp3ID3V1Info(CString fName)
{
   char   buf[128] = {0};
   //wcstombs(buf, fName.GetBuffer(0), wcslen(fName.GetBuffer(0)));

   CMP3ID3V1   mp3Info = {0};
   //GetMp3ID3V1Info(buf, &mp3Info);
   GetMp3ID3V1Info(fName, &mp3Info);

   CString mp3InfoStr = _T(""), tempStr;
   wchar_t   infoWBuf[30] = {0};
   UCHAR infoBuf[30] = {0};

   memcpy(infoBuf, mp3Info.name, strlen((const char *)(mp3Info.name)));
   //mbstowcs(infoWBuf, (const char *)infoBuf, strlen((const char *)infoBuf));
   //tempStr.Format(_T("歌曲名:   %s/r/n"), infoWBuf);
   tempStr.Format(_T("歌曲名:   %s/r/n"), infoBuf);
   mp3InfoStr += tempStr;
   memset(infoBuf, 0, sizeof(infoBuf));
   memset(infoWBuf, 0, sizeof(infoWBuf));

   memcpy(infoBuf, mp3Info.author, strlen((const char *)(mp3Info.author)));
   //mbstowcs(infoWBuf, (const char *)infoBuf, strlen((const char *)infoBuf));
   //tempStr.Format(_T("作者名:   %s/r/n"), infoWBuf);
   tempStr.Format(_T("作者名:   %s/r/n"), infoBuf);
   mp3InfoStr += tempStr;
   memset(infoBuf, 0, sizeof(infoBuf));
   memset(infoWBuf, 0, sizeof(infoWBuf));

   memcpy(infoBuf, mp3Info.release, strlen((const char *)(mp3Info.release)));
   //mbstowcs(infoWBuf, (const char *)infoBuf, strlen((const char *)infoBuf));
   //tempStr.Format(_T("专辑名:   %s/r/n"), infoWBuf);
   tempStr.Format(_T("专辑名:   %s/r/n"), infoBuf);
   mp3InfoStr += tempStr;
   memset(infoBuf, 0, sizeof(infoBuf));
   memset(infoWBuf, 0, sizeof(infoWBuf));

   return mp3InfoStr;
}