LRC文件类

1.头

class Mp3Lrc{public:Mp3Lrc();~Mp3Lrc();bool Mp3OnCreate(CString filename);U32 SetLrc(CString ttt,TCHAR *pLrc);void SortLrcTime();U32*time;TCHAR**lrc;U32 pMemtotal; //时间改变的次数CString Title;//标题CString Artist;//艺术家CString Album; //专辑private:TCHAR*LrcTxt;bool flag;};

2.文件

#define MAXSENTENSE 100 //定义歌词最多一百句Mp3Lrc::Mp3Lrc(){ time=new U32[MAXSENTENSE];lrc=new PTCHAR[MAXSENTENSE];LrcTxt=NULL;}Mp3Lrc::~Mp3Lrc(){delete []time;time=NULL;delete []lrc;lrc=NULL;if(LrcTxt){delete []LrcTxt;LrcTxt=NULL;}}U32Mp3Lrc::SetLrc(CString ttt,TCHAR *pLrc){ ttt.TrimLeft();ttt.TrimRight();intnum=0;intpp;CString str[50];while(1){pp=ttt.Find(']');if(pp>0){str[num++]=ttt.Left(pp+1);ttt=ttt.Right(ttt.GetLength()-pp-1);}else{wcscpy(pLrc,ttt.GetBuffer(ttt.GetLength()));for(int j=0;j<num;j++){lrc[pMemtotal]=(TCHAR *)pLrc;time[pMemtotal]=(str[j].GetAt(1)-'0')*600+(str[j].GetAt(2)-'0')*60+(str[j].GetAt(4)-'0')*10+(str[j].GetAt(5)-'0');pMemtotal++;}return wcslen(pLrc)+1;}}return 0;}boolMp3Lrc::Mp3OnCreate(CString filename){if(LrcTxt!=NULL){delete []LrcTxt;LrcTxt=NULL;}CFile fp;U32 FileLength;CString LrcName;pMemtotal=0;char *fileTxt;LrcName=filename.Left(filename.GetLength()-4);LrcName+=".lrc";if(fp.Open(LrcName,CFile::modeRead|CFile::typeBinary)==NULL){return false;}FileLength=fp.GetLength();fileTxt=new char[FileLength+2];fp.Read(fileTxt,FileLength);fileTxt[FileLength]=0;fileTxt[FileLength+1]=0;if(((U8)fileTxt[0]==0xff&&(U8)fileTxt[1]==0xfe)||((U8)fileTxt[0]==0xfe&&(U8)fileTxt[1]==0xff))//兼容UNICODE 码{LrcTxt=new TCHAR[FileLength/2+1];if(!LrcTxt){delete []fileTxt;return false;}memcpy(LrcTxt,fileTxt,FileLength+2);LrcTxt[FileLength/2]=0;FileLength=FileLength/2;}else{FileLength=MultiByteToWideChar(CP_ACP,0,fileTxt,-1,NULL,0);if(!FileLength){AfxMessageBox(_T("MultiByteToWideChar() err"));}LrcTxt=new TCHAR[FileLength+1];if(!LrcTxt){delete []fileTxt;return false;}MultiByteToWideChar(CP_ACP,0,fileTxt,-1,LrcTxt,FileLength);LrcTxt[FileLength]=0;}delete []fileTxt;fileTxt=NULL;TCHAR TempBuf[320];TCHAR *pLrc=LrcTxt;int j=0;for(U32 i=0;i<FileLength;i++){if(LrcTxt[i]!='/n'&&i!=(FileLength-1)){TempBuf[j++]=LrcTxt[i];}else{LrcTxt[i-1]=0;TempBuf[j]=0;j=0;LrcName=TempBuf;LrcName.TrimLeft();LrcName.TrimRight();if((LrcName.Find(_T("[0"))<0)&&((LrcName.Find(_T("[1"))<0))){int place;if((place=LrcName.Find(_T("[ti")))>=0){Title=LrcName.Right(LrcName.GetLength()-place-4);Title=Title.Left(Title.GetLength()-1);}if((place=LrcName.Find(_T("[ar")))>=0){Artist=LrcName.Right(LrcName.GetLength()-place-4);Artist=Artist.Left(Artist.GetLength()-1);}if((place=LrcName.Find(_T("[al")))>=0){Album=LrcName.Right(LrcName.GetLength()-place-4);Album=Album.Left(Album.GetLength()-1);}continue;}pLrc+=SetLrc(LrcName,pLrc);}}SortLrcTime();fp.Close();return true;}voidMp3Lrc::SortLrcTime(){U32i,j;U32temp;TCHAR*ptr;for(i=0;i<pMemtotal;i++){for(j=i+1;j<pMemtotal;j++){if(time[i]>time[j]){temp=time[i];time[i]=time[j];time[j]=temp;ptr=lrc[i];lrc[i]=lrc[j];lrc[j]=ptr;}}}}

3.头

typedef struct _lyric{double time;CString strLyric;}LYRIC,*PLYRIC;class CMyLrcClass : public CObject {public:void SortLyric();float GetTime(CString strTimeLine);void AnalysistString(CString strAnalysist, PLYRIC pLrc);void GetLyric(CString strFilePath, CPtrArray *pLrcArray);CMyLrcClass();virtual ~CMyLrcClass();CPtrArray*m_pAudioLrc;//用于存储歌词信息的数值private:TCHAR*LrcTxt;DWORD pMemtotal;CString Title;CStringArtist;CStringAlbum;};

4.文件

CMyLrcClass::CMyLrcClass(){LrcTxt = NULL;pMemtotal = 0;m_pAudioLrc = NULL;}CMyLrcClass::~CMyLrcClass(){}//根据LRC文件路径加载歌词void CMyLrcClass::GetLyric(CString strFilePath, CPtrArray *pLrcArray){if(LrcTxt!=NULL){delete []LrcTxt;LrcTxt=NULL;}CFile fp;DWORD FileLength;CString LrcName;pMemtotal=0;char *fileTxt;LrcName=strFilePath.Left(strFilePath.GetLength()-4);LrcName+=".lrc";if(fp.Open(LrcName,CFile::modeRead|CFile::typeBinary)==NULL){ DWORDtet = GetLastError();return ;}FileLength=fp.GetLength();fileTxt=new char[FileLength+2];fp.Read(fileTxt,FileLength);fileTxt[FileLength]=0;fileTxt[FileLength+1]=0;if(((U8)fileTxt[0]==0xff&&(U8)fileTxt[1]==0xfe)||((U8)fileTxt[0]==0xfe&&(U8)fileTxt[1]==0xff))//兼容UNICODE 码{LrcTxt=new TCHAR[FileLength/2+1];if(!LrcTxt){delete []fileTxt;return ;}memcpy(LrcTxt,fileTxt,FileLength+2);LrcTxt[FileLength/2]=0;FileLength=FileLength/2;}else{FileLength=MultiByteToWideChar(CP_ACP,0,fileTxt,-1,NULL,0);if(!FileLength){AfxMessageBox(_T("MultiByteToWideChar() err"));}LrcTxt=new TCHAR[FileLength+1];if(!LrcTxt){delete []fileTxt;return;}MultiByteToWideChar(CP_ACP,0,fileTxt,-1,LrcTxt,FileLength);LrcTxt[FileLength]=0;}delete []fileTxt;fileTxt=NULL;TCHAR TempBuf[320];TCHAR *pLrc=LrcTxt;int j=0;for(U32 i=0;i<FileLength;i++){if(LrcTxt[i]!='/n'&&i!=(FileLength-1)){TempBuf[j++]=LrcTxt[i];}else{LrcTxt[i-1]=0;TempBuf[j]=0;j=0;LrcName=TempBuf;LrcName.TrimLeft();LrcName.TrimRight();if((LrcName.Find(_T("[0"))<0)&&((LrcName.Find(_T("[1"))<0))){int place;if((place=LrcName.Find(_T("[ti")))>=0){Title=LrcName.Right(LrcName.GetLength()-place-4);Title=Title.Left(Title.GetLength()-1);}if((place=LrcName.Find(_T("[ar")))>=0){Artist=LrcName.Right(LrcName.GetLength()-place-4);Artist=Artist.Left(Artist.GetLength()-1);}if((place=LrcName.Find(_T("[al")))>=0){Album=LrcName.Right(LrcName.GetLength()-place-4);Album=Album.Left(Album.GetLength()-1);}continue;}//每一句歌词PLYRICpLrc = new LYRIC;if (NULL == pLrc){TRACE(L"memory error!");return ;}pLrcArray->Add(pLrc);pMemtotal++;AnalysistString(LrcName, pLrc);}}//对歌词排序SortLyric();fp.Close();}//对含有时间和具体歌词的文本进行分析并分解void CMyLrcClass::AnalysistString(CString strAnalysist, PLYRIC pLrc){CString strLyricLine;CString strTimeLine;int nLength=strAnalysist.GetLength();float nTime;int nPos=-1;int nOldPos=-1;while((nPos=strAnalysist.Find(L"]",nPos+1))>0)nOldPos=nPos;if(nOldPos==-1)return;strLyricLine=strAnalysist.Right(nLength-nOldPos-1); nPos=-1;int nTimePos;while((nPos=strAnalysist.Find(L"[",nPos+1))>=0){strTimeLine=strAnalysist.Right(nLength-nPos-1);nTimePos=strTimeLine.Find(L"]",0);strTimeLine=strTimeLine.Left(nTimePos);nTime=GetTime(strTimeLine);pLrc->strLyric = strLyricLine;pLrc->time = nTime;}}//把按分钟秒钟分开的时间换算成秒float CMyLrcClass::GetTime(CString strTimeLine){int nPos=0;float nTime = 0.0f;int nMinute = 0;int nSecond = 0;float nHunSec = 0.0f;TCHAR szMinute[10];TCHAR szSecond[10];TCHAR szHunSec[10];lstrcpy(szMinute,L"");lstrcpy(szSecond,L"");lstrcpy(szHunSec,L"");CString strGet, strHunGet = strTimeLine.Right(2);nPos=strTimeLine.Find(L":",0);if(nPos<0)return -1;if(nPos==0){nMinute=0;}else{strGet=strTimeLine.Left(nPos);lstrcpy(szMinute,strGet);nMinute=_wtoi(szMinute);}strGet=strTimeLine.Right(strTimeLine.GetLength()-nPos-1);if(strGet.GetLength()==1)strGet=strGet.Left(1);else if(strGet.GetLength()>=2)strGet=strGet.Left(2);elsereturn -1;//把百分之一秒计算进来wcscpy(szHunSec, strHunGet);nHunSec = _wtoi(szHunSec);nHunSec = nHunSec/100;lstrcpy(szSecond,strGet);nSecond=_wtoi(szSecond);nTime=nMinute*60+nSecond;nTime += nHunSec;return nTime;}//对每句话按时间排列void CMyLrcClass::SortLyric(){PLYRIC plyricTemp;for(int i=pMemtotal-1;i>0;i--)for(int j=0;j<i;j++){if(((PLYRIC)m_pAudioLrc->GetAt(j))->time > ((PLYRIC)m_pAudioLrc->GetAt(j+1))->time){plyricTemp = (PLYRIC)m_pAudioLrc->GetAt(j);(*m_pAudioLrc)[j] = (PLYRIC)m_pAudioLrc->GetAt(j+1);(*m_pAudioLrc)[j+1] = plyricTemp;}}}