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CDInfo.cpp
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/*
** CDex - Open Source Digital Audio CD Extractor
**
** Copyright (C) 2006 - 2007 Georgy Berdyshev
** Copyright (C) 1999 - 2007 Albert L. Faber
**
** http://cdexos.sourceforge.net/
** http://sourceforge.net/projects/cdexos
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "StdAfx.h"
#include <math.h>
#include "CDInfo.h"
#include "CDdb.h"
#include "MCI_CD.h"
#include "ID3Tag.h"
#include "CDPlayerIni.h"
#include "GetRemoteCDInfoDlg.h"
INITTRACE( _T( "CDInfo" ) );
static const int LEAD_OUT_NBR = 0xAA;
PlayList::PlayList( const CUString& strPlayListFileName )
{
m_strFileName = strPlayListFileName;
}
void PlayList::AddEntry( CUString strEntry )
{
if (g_config.GetM3UPlayList())
AddM3UEntry(strEntry);
if (g_config.GetPLSPlayList())
AddPLSEntry(strEntry);
}
CUString PlayList::MakeEntry( const CUString& strListName,
const CUString& strEntry )
{
CUString strLDir;
CUString strEDir;
CUString strRet;
// nPos
int nPos=0;
// search for last backslash
nPos= strListName.ReverseFind( _T( '\\' ) );
// get everything before the backslash (= dir)
strLDir = strListName.Left( nPos );
// search for last backslash
nPos = strEntry.ReverseFind( _T( '\\' ) );
// get everything before the backslash (= dir)
strEDir = strEntry.Left( nPos );
nPos=0;
strLDir.MakeLower();
strEDir.MakeLower();
// check if playlist dir is the same as the entry directory
if ( -1 != strEDir.Find( strLDir ) )
{
// use relative path
strRet = strEntry.Mid( strLDir.GetLength() + 1 );
}
else
{
// use full file name
strRet = strEntry;
}
return strRet;
}
void PlayList::AddPLSEntry( CUString strEntry )
{
CUString strNumber;
CUString strPName( m_strFileName + _W( ".pls" ) );
TCHAR pszEntry[ MAX_PATH + 1 ] = { _T( '\0' ),};
BOOL bFound = FALSE;
int i = 0;
CUStringConvert strCnv;
// get the number of Playlist entires
int nNumEntries = GetPrivateProfileInt( _T( "playlist" ),
_T( "NumberOfEntries" ),
0,
strCnv.ToT( strPName ) );
// check if entry is already present
for ( i = 1; i<= nNumEntries; i++ )
{
// Rewrite the number of files
strNumber.Format( _W( "%d" ), i );
CUStringConvert strCnv1;
GetPrivateProfileString( _T( "playlist" ),
strCnv.ToT( CUString( _W( "File" ) + strNumber ) ),
NULL,
pszEntry,
_countof( pszEntry ),
strCnv1.ToT( strPName ) );
if ( 0 == MakeEntry( strPName, strEntry ).Compare( CUString( pszEntry, CP_ACP ) ) )
{
bFound = TRUE;
break;
}
}
if ( FALSE == bFound )
{
// increment the number of entries
nNumEntries++;
// Rewrite the number of files
strNumber.Format( _W( "%d" ) , nNumEntries );
CUStringConvert strCnv;
CUStringConvert strCnv1;
CUStringConvert strCnv2;
// Write number of entries
WritePrivateProfileString( _T( "playlist" ),
_T( "NumberOfEntries" ),
strCnv1.ToT( strNumber ),
strCnv.ToT( strPName ) );
// Write version tag
WritePrivateProfileString( _T( "playlist" ),
_T( "Version" ),
_T( "2" ),
strCnv.ToT( strPName ) );
// Write Entry
WritePrivateProfileString( _T( "playlist" ),
strCnv.ToT( CUString( _W( "File" ) + strNumber ) ),
strCnv1.ToT( MakeEntry( strPName, strEntry ) ),
strCnv2.ToT( strPName ) );
}
}
void PlayList::AddM3UEntry(CUString strEntry)
{
CUString strTmp;
CUString strPName( m_strFileName + _W( ".m3u" ) );
TCHAR pszEntry[ MAX_PATH + 1 ] = { _T( '\0' ),};
BOOL bFound = FALSE;
// Try to open the file:
FILE* pFile = CDexOpenFile( strPName, _W( "a+" ) );
if ( NULL != pFile )
{
// search if the entry is already present in the file
while ( _fgetts( pszEntry, _countof( pszEntry ), pFile ) )
{
// check if entry is present
if ( 0 == ( MakeEntry( strPName, strEntry ) + _W( "\n" ) ).Compare( pszEntry ) )
{
bFound = TRUE;
break;
}
}
if ( FALSE == bFound )
{
CUStringConvert strCnv;
// Write the Entry
_fputts( strCnv.ToT( MakeEntry( strPName, strEntry ) + _W( "\n" ) ), pFile );
}
// Close the playlist file
fclose( pFile );
}
}
// CDInfo CONSTRUCTOR
CDInfo::CDInfo()
{
m_dwVolID = 0x00;
m_dwDiscID = 0x00;
m_nNumTracks = 0;
m_strVolID= _T( "" );
m_nRevision = -1;
m_strCDDBCat = _T( "" );
m_strGenre = _T( "" );
m_strCDDBCat = _T( "" );
m_strExtTitle = _T( "" );
m_strMCDI = _T( "" );
m_strMCN = _T( "" );
m_strSubmission = _T( "" );
m_strTitle = _T( "" );
m_strYear = _T( "" );
}
// CDInfo DESTRUCTOR
CDInfo::~CDInfo()
{
}
BOOL CDInfo::ReadWinampDBString( CFile& cFile, CUString& strRead )
{
BOOL bReturn = TRUE;
vector<CHAR> vChars;
ENTRY_TRACE( _T( "CDInfo::ReadWinampDBString()" ) );
// clear return string
strRead = _T( "" );
CHAR ch;
while ( 1 == cFile.Read( &ch, sizeof( CHAR) ) && ( ch != _T( '\0' ) ) )
{
vChars.push_back( ch );
}
if ( ch != _T( '\0' ) )
{
bReturn = FALSE;
}
strRead = CUString( &vChars[0], CP_UTF8 );
ENTRY_TRACE( _T( "CDInfo::ReadWinampDBString(\"%s\"), return value: %d" ), strRead, bReturn );
return bReturn;
}
// Read entry from Winamp (2.78) database file
BOOL CDInfo::ReadFromWinampDB()
{
BOOL bReturn = TRUE;
BOOL bEntryFound = FALSE;
ENTRY_TRACE( _T( "CDInfo::ReadFromWinampDB()" ) );
if ( g_config.GetWinampDBPath().GetLength() > 0 )
{
CUString strWinampDBFileName( g_config.GetWinampDBPath() + _W( "in_cdda.cdb" ) );
CUStringConvert strCnv;
CFile cWinampFile;
if ( FALSE == cWinampFile.Open( strCnv.ToT( strWinampDBFileName ), CFile::modeRead | CFile::shareDenyNone ) )
{
bReturn = FALSE;
}
else
{
DWORD dwMagic = 0;
DWORD dwOffsetIDs = 0;
if ( ( TRUE == bReturn ) &&
( sizeof( DWORD ) != cWinampFile.Read( &dwMagic, sizeof( DWORD ) ) ) )
{
bReturn = FALSE;
}
// check Magic ID, only support Winamp 2.78 format
if ( 0xBEEFF00D != dwMagic )
{
bReturn = FALSE;
}
// Read CDDBID offset point
if ( ( TRUE == bReturn ) &&
( sizeof( DWORD ) != cWinampFile.Read( &dwOffsetIDs, sizeof( DWORD ) ) ) )
{
bReturn = FALSE;
}
// Seek tp the CDDBID offset
if ( ( TRUE == bReturn ) &&
( -1 == cWinampFile.Seek( dwOffsetIDs, CFile::begin ) ) )
{
bReturn = FALSE;
}
// search for CDDBID entry
while ( ( TRUE == bReturn ) &&
( FALSE == bEntryFound ) )
{
DWORD dwDiscID = 0;
DWORD dwSize = 0;
DWORD dwOffset = 0;
if ( ( TRUE == bReturn ) &&
( sizeof( DWORD ) != cWinampFile.Read( &dwDiscID, sizeof( DWORD ) ) ) )
{
bReturn = FALSE;
}
if ( ( TRUE == bReturn ) &&
( sizeof( DWORD ) != cWinampFile.Read( &dwSize, sizeof( DWORD ) ) ) )
{
bReturn = FALSE;
}
if ( ( TRUE == bReturn ) &&
( sizeof( DWORD ) != cWinampFile.Read( &dwOffset, sizeof( DWORD ) ) ) )
{
bReturn = FALSE;
}
// Check if this is the CDDBID entry were looking for
if ( ( TRUE == bReturn ) &&
( dwDiscID == m_dwDiscID ) )
{
bEntryFound = TRUE;
// seek to file entry
if ( ( TRUE == bReturn ) &&
( -1 == cWinampFile.Seek( dwOffset + 12, CFile::begin ) ) )
{
bReturn = FALSE;
}
}
}
// Read entry when it has been located
if ( TRUE == bEntryFound )
{
CUString strRead;
DWORD dwTrack = 0;
DWORD dwTracks = 0;
// Get Artist-Album tag
bReturn = ReadWinampDBString( cWinampFile, strRead );
if ( bReturn == TRUE )
{
SetTitle( strRead );
}
// Get Artist tag
if ( bReturn == TRUE )
{
bReturn = ReadWinampDBString( cWinampFile, strRead );
}
if ( bReturn == TRUE )
{
SetArtist( strRead );
}
// Get ??? tag
if ( bReturn == TRUE )
{
bReturn = ReadWinampDBString( cWinampFile, strRead );
}
// Read num tracks
if ( ( TRUE == bReturn ) &&
( sizeof( DWORD ) != cWinampFile.Read( &dwTracks, sizeof( DWORD ) ) ) )
{
bReturn = FALSE;
}
while ( ( TRUE == bReturn ) &&
( dwTrack != dwTracks ) )
{
bReturn = ReadWinampDBString( cWinampFile, strRead );
SetTrackName( strRead, dwTrack );
dwTrack++;
}
}
}
}
else
{
bReturn = FALSE;
}
ENTRY_TRACE( _T( "CDInfo::ReadFromWinampDB(), return value: %d" ), bReturn );
return bReturn;
}
BOOL CDInfo::IsAudioTrack(int p_track)
{
// Loop through the available tracks
for (int i=1; i<=m_nNumTracks; i++)
{
// Located track
if (m_TrackInfo[i-1].GetTrack() == p_track)
{
// Check if this is an AUDIO track
if ( !(m_TrackInfo[i-1].GetFlags() & CDROMDATAFLAG) )
return TRUE;
}
}
return FALSE;
}
void CDInfo::SetStartSector( int p_track, DWORD dwOffset)
{
int i;
// Loop through the available tracks
for (i=0; i<m_nNumTracks; i++)
{
BYTE bTest=m_TrackInfo[i].GetTrack();
if (m_TrackInfo[i].GetTrack() == p_track)
{
// Set start
m_TrackInfo[i].SetStartSector(dwOffset);
return;
}
}
}
LONG CDInfo::GetStartSector( int p_track )
{
int lReturn = -1;
int i;
ENTRY_TRACE( _T( "CDInfo::GetStartSector( %d )" ), p_track );
// Loop through the available tracks
for ( i = 0; i < m_nNumTracks; i++ )
{
BYTE bTest=m_TrackInfo[i].GetTrack();
if (m_TrackInfo[i].GetTrack() == p_track)
{
// Return next track start record -1
lReturn = m_TrackInfo[i].GetStartSector();
break;
}
}
EXIT_TRACE( _T( "CDInfo::GetStartSector( ), return value %d" ), lReturn );
return lReturn;
}
BOOL CDInfo::IsLastAudioTrack(int p_track)
{
int i;
BOOL bReturn = FALSE;
DWORD dwEndSector = 0;
ENTRY_TRACE( _T( "CDInfo::IsLastAudioTrack( %d )" ), p_track );
// Loop through the available tracks
for ( i = 1; i <= m_nNumTracks; i++ )
{
if ( ( p_track == m_TrackInfo[ i - 1 ].GetTrack() ) ||
( LEAD_OUT_NBR == m_TrackInfo[ i - 1 ].GetTrack() ) )
{
// check if we cross a session border
// and check if the next track is not the default audio lead-out
// but not the first track, due to extra CD format
// where first track could be a data track, the second an audio track
if ( ( ( m_TrackInfo[ i - 1 ].m_btFlags & CDROMDATAFLAG ) != ( m_TrackInfo[ i ].m_btFlags & CDROMDATAFLAG ) ) &&
( LEAD_OUT_NBR != m_TrackInfo[i].m_btTrack ) )
{
bReturn = TRUE;
}
break;
}
}
EXIT_TRACE( _T( "CDInfo::IsLastAudioTrack(), return value %d"), bReturn );
return bReturn;
}
LONG CDInfo::GetSaveEndSector(int p_track)
{
LONG lReturn = -1;
ENTRY_TRACE( _T( "CDInfo::GetSaveEndSector( %d )" ), p_track );
lReturn = GetEndSector( p_track );
if ( IsLastAudioTrack( p_track ) )
{
lReturn -= 10;
}
EXIT_TRACE( _T( "CDInfo::GetSaveEndSector(), return value %d"), lReturn );
return lReturn;
}
LONG CDInfo::GetEndSector(int p_track)
{
int i;
LONG lReturn = -1;
DWORD dwEndSector = 0;
ENTRY_TRACE( _T( "CDInfo::GetEndSector( %d )" ), p_track );
// Loop through the available tracks
for ( i = 1; i <= m_nNumTracks; i++ )
{
if ( ( p_track == m_TrackInfo[ i - 1 ].GetTrack() ) ||
( LEAD_OUT_NBR == m_TrackInfo[ i - 1 ].GetTrack() ) )
{
// check if we cross a session border
// and check if the next track is not the default audio lead-out
// but not the first track, due to extra CD format
// where first track could be a data track, the second an audio track
if ( IsLastAudioTrack( p_track ) )
{
// If we have crossed a session border, we get an additional leadout
// Session lead-out = 1m30s => 6750 sectors
// Session lead-in = 1m00s => 4500 sectors
// Thus a total gap op 6750 + 4500 = 11250 sectors
// Since were not interested in the additional data (non-audio) we tweak the
// start sector
LTRACE( _T( "Correct end-sector of track %d for session lead-out time by 11250 sectors " ), i + 1 );
dwEndSector = m_TrackInfo[ i ].m_dwStartSector - 11250 - 1;
}
else
{
dwEndSector = m_TrackInfo[i].m_dwStartSector-1;
}
lReturn = dwEndSector;
break;
}
}
EXIT_TRACE( _T( "CDInfo::GetEndSector(), return value %d"), lReturn );
return lReturn;
}
int CDInfo::FirstTrack()
{
int i;
// Loop through the available tracks
for (i=0; i<m_nNumTracks; i++)
{
WORD wTrack=m_TrackInfo[i].GetTrack();
// if ( wTrack != LEAD_OUT_NBR && (m_TrackInfo[i].GetFlags() == AUDIOTRKFLAG ))
// return wTrack;
}
// Track not found, return -1
return 0;
}
void CDInfo::DumpToc(LPBYTE pbtBuffer,int nSize)
{
int i;
DWORD dw;
unsigned mins;
double secnds;
// Open Dump File
CADebug myLogFile( CUString( _W( "CDEX_TOC.txt" ) ) );
// A header would not hurt
myLogFile.printf("Start of TOC dump\n\n");
// Dump binary data
myLogFile.printf("Dumping binary data first, buffer size=%d =>%d toc entries\n\n",nSize,nSize/8);
myLogFile.DumpBinaray(pbtBuffer,nSize);
dw = GetStartSector(m_nNumTracks-1);
// Calculate number of minutes
mins= dw / (TRACKSPERSEC * 60L );
secnds= (fmod(dw , 60 * TRACKSPERSEC) / (DOUBLE)TRACKSPERSEC);
myLogFile.printf("\n\nDumping Toc Entries\n");
for (i=0; i<m_nNumTracks; i++)
{
myLogFile.printf("Toc Entry=%2d StartSector=%8d Flags=%2d",i,m_TrackInfo[i].GetStartSector(),m_TrackInfo[i].GetFlags());
// Skip nonaudio tracks
// if (m_TrackInfo[i].GetFlags() != AUDIOTRKFLAG)
// continue;
if (m_TrackInfo[i].GetTrack() <= MAXTRK)
{
DWORD dw2;
dw2= m_TrackInfo[i].GetStartSector();
dw = m_TrackInfo[i+1].GetStartSector();
mins= (dw - dw2) / (TRACKSPERSEC*60L);
secnds= fmod(dw-dw2 , 60*TRACKSPERSEC) / TRACKSPERSEC;
CUString strDuration=GetTrackDuration(i+1);
CUString strStart=GetStartTime(i+1);
CUString strNew;
myLogFile.printf(" => Start time=%s Duration=%s\n",strStart,strDuration);
}
}
myLogFile.printf("\n\nEnd of TOC dump\n");
}
CUString CDInfo::GetTrackDuration(int nTrack)
{
int nMins = 0;
int nSecs = 0;
int nFrame = 0;
CUString strTime;
ENTRY_TRACE( _T( "CDInfo::GetTrackDuration( %d )" ), nTrack );
LONG lStartSector = GetStartSector( nTrack );
LONG lEndSector = GetEndSector( nTrack );
if ( ( -1 != lStartSector ) && ( -1 != lEndSector ) )
{
LONG lSectors = 0;
lSectors = lEndSector - lStartSector + 1;
if ( lSectors > 0 )
{
nFrame = lSectors % TRACKSPERSEC;
nMins = lSectors / (TRACKSPERSEC * 60L );
nSecs = (int)(fmod( (double)lSectors, 60 * TRACKSPERSEC ) / TRACKSPERSEC);
}
}
strTime.Format( _W( "%u:%02u.%02u" ), nMins, nSecs, nFrame );
EXIT_TRACE( _T( "CDInfo::GetTrackDuration(), return value %s" ), strTime );
return strTime;
}
CUString CDInfo::GetStartTime( int nTrack )
{
int nMins;
int nSecs;
int nFrame;
CUString strTime;
ENTRY_TRACE( _T( "CDInfo::GetStartTime( %d )" ), nTrack );
strTime;
LONG lSectors = GetStartSector(nTrack);
nMins = lSectors / (TRACKSPERSEC * 60L );
nSecs = (int)(fmod( (double)lSectors, 60L * TRACKSPERSEC ) / TRACKSPERSEC);
nFrame = lSectors % TRACKSPERSEC;
strTime.Format( _W( "%u:%02u.%02u" ), nMins, nSecs, nFrame );
EXIT_TRACE( _T( "CDInfo::GetStartTime(), return value %s" ), strTime );
return strTime;
}
int cddb_sum(int n)
{
char buf[12] = { 0, };
char* p = NULL;
int ret = 0;
// For backward compatibility this algorithm must not change
sprintf(buf, "%lu", n);
for (p = buf; *p != '\0'; p++)
{
ret += (*p - '0');
}
return ( ret );
}
DWORD CDInfo::CalculateDiscID()
{
DWORD dwRet;
DWORD t = 0;
DWORD n = 0;
DWORD dwTwoSecOffset=0;
ENTRY_TRACE( _T( "CDInfo::CalculateDiscID()" ) );
m_dwTotalSecs=0;
// For backward compatibility this algorithm must not change
dwTwoSecOffset = 2 * TRACKSPERSEC;
for (int i = 0; i < m_nNumTracks; i++)
{
// Keep in mind the two seconds offset
DWORD dwSectors = m_TrackInfo[i].GetStartSector()+dwTwoSecOffset;
n += cddb_sum(dwSectors/TRACKSPERSEC);
// Keep in mind the two seconds offset
DWORD dwSectorsNext = m_TrackInfo[i+1].GetStartSector()+dwTwoSecOffset;
t += (dwSectorsNext/TRACKSPERSEC-dwSectors/TRACKSPERSEC);
}
dwRet=( (n % 0xff) << 24 | t << 8 | (DWORD)(m_nNumTracks));
// Get total playing time
m_dwTotalSecs=( GetEndSector( m_nNumTracks ) + 1 + 2 * TRACKSPERSEC ) / TRACKSPERSEC;
EXIT_TRACE( _T( "CDInfo::CalculateDiscID(), return value 0x%x" ), dwRet );
return dwRet;
}
DWORD CDInfo::GetSize(int nTrack)
{
LONG lSectors = (LONG)GetEndSector( nTrack )- (LONG)GetStartSector( nTrack );
if ( lSectors <= 0 )
lSectors = 0;
return lSectors*CB_CDDASECTORSIZE;
}
CCDTrackInfo::CCDTrackInfo()
{
m_reserved1=0;
m_btFlags=0;
m_btTrack=0;
m_reserved2=0;
m_dwStartSector=0;
m_nCDDBType = 0;
m_dwGap = 0;
m_strTrackName = _T("");
m_strISRC = _T("");
m_strExtTrackName =_T("");
}
void CDInfo::Init()
{
CUString strLang;
ENTRY_TRACE( _T( "CDInfo::Init() " ) );
strLang = g_language.GetString( IDS_NOARTIST );
SetArtist( strLang );
strLang = g_language.GetString( IDS_NOTITLE );
SetTitle( strLang );
SetExtTitle( CUString( _T("") ) );
m_nRevision = -1;
SetCDDBCat( CUString( _T("") ) );
m_strYear= _T("");
strLang = g_language.GetString( IDS_UNKNOWN );
m_strGenre= strLang;
int nNumTracks=GetNumTracks();
for (int i=0;i<MAXTRK;i++)
{
CUString strTmp;
strLang = g_language.GetString( IDS_AUDIOTRACK );
strTmp.Format( _W("%s %02d"), (LPCWSTR)strLang, i+1 );
SetTrackName( strTmp, i );
SetExtTrackName( CUString( _T("") ), i );
}
for (int i=0;i<nNumTracks;i++)
{
CUString strTmp;
if ( IsAudioTrack( i+1 ) )
{
strLang = g_language.GetString( IDS_AUDIOTRACK );
}
else
{
strLang = g_language.GetString( IDS_DATATRACK );
}
strTmp.Format( _W( "%s %02d" ), (LPCWSTR)strLang, i + 1 );
// Set track name
SetTrackName(strTmp,i);
SetExtTrackName( _W(""),i);
}
// Set revision level
m_nRevision=-1;
// Set submission
m_strSubmission= _T( "CDex(local)" );
EXIT_TRACE( _T( "CDInfo::Init() " ) );
}
BOOL CDInfo::ReadCDText()
{
CDEX_ERR bErr=CDEX_ERROR;
const int nBufferSize=4 + 8 * sizeof(CDTEXTPACK) * 256;
BYTE* pbtBuffer=NULL;
INT nCDTextSize=0;
INT nTrack=0;
CHAR* lpZero = NULL;
ENTRY_TRACE( _T( "CDInfo::ReadCDText()" ) );
// Allocate CD-Text buffer
pbtBuffer = new BYTE[ nBufferSize ];
// Try to Read CD-Text section
bErr = CR_ReadCDText( pbtBuffer, nBufferSize, &nCDTextSize );
// Check size CD-Text buffer
if ( nCDTextSize < 4 )
bErr = CDEX_ERROR;
// Did it succeed ?
if ( CDEX_OK == bErr )
{
int i;
int nNumPacks=(nCDTextSize-4)/sizeof(CDTEXTPACK);
CDTEXTPACK* pCDtextPacks=NULL;
char lpszBuffer[1024]={'\0',};
int nInsertPos=0;
CUString strText = _T( "" );
LTRACE( _T( "CDInfo::ReadCDText nCDTextSize = %d, nNumPacks = %d" ), nCDTextSize, nNumPacks );
bErr = CDEX_ERROR;
/* loop through all the packets */
for ( i=0; i < nNumPacks; i++ )
{
/* get CD-Text packet overlay */
pCDtextPacks=(CDTEXTPACK*)&pbtBuffer[ i * sizeof(CDTEXTPACK) + 4 ];
LTRACE( _T( "CDInfo::ReadCDText pack %02X packType %02X trackNumber %02X sequenceNumber %02X characterPosition %02X block %02X bDBC %02X" ),
i,
pCDtextPacks->packType,
pCDtextPacks->trackNumber,
pCDtextPacks->sequenceNumber,
pCDtextPacks->characterPosition,
pCDtextPacks->block,
pCDtextPacks->bDBC );
LTRACE( _T( "data %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X" ),
pCDtextPacks->data[0],
pCDtextPacks->data[1],
pCDtextPacks->data[2],
pCDtextPacks->data[3],
pCDtextPacks->data[4],
pCDtextPacks->data[5],
pCDtextPacks->data[6],
pCDtextPacks->data[7],
pCDtextPacks->data[8],
pCDtextPacks->data[9],
pCDtextPacks->data[10],
pCDtextPacks->data[11] );
/* only get block number zero */
if ( 0 == pCDtextPacks->block )
{
WORD nChar = 0;
while ( nChar < sizeof( pCDtextPacks->data ) / sizeof( pCDtextPacks->data[0] ))
{
BOOL bFoundTeminateChar = FALSE;
while ( nChar < sizeof( pCDtextPacks->data ) / sizeof( pCDtextPacks->data[0] ) &&
!bFoundTeminateChar )
{
if ( _T( '\0' ) == (CHAR)pCDtextPacks->data[ nChar ] )
{
bFoundTeminateChar = TRUE;
}
else
{
strText+= (CHAR)pCDtextPacks->data[ nChar ];
}
nChar++;
}
// process all strings
if ( bFoundTeminateChar &&
!strText.IsEmpty() )
{
LTRACE( _T( "CDTextEntry: type = %d, trackNumber = %d value = \"%s\" " ),
pCDtextPacks->packType,
pCDtextPacks->trackNumber,
strText );
switch ( pCDtextPacks->packType )
{
case CDT_TRACK_TITLE:
if ( 0 == pCDtextPacks->trackNumber )
{
SetTitle( strText );
bErr = CDEX_OK;
}
else
{
bErr = CDEX_OK;
SetTrackName( strText,
pCDtextPacks->trackNumber - 1 );
}
break;
case CDT_PERFORMER:
if ( 0 == pCDtextPacks->trackNumber )
{
bErr = CDEX_OK;
SetArtist( strText );
}
else
{
bErr = CDEX_OK;
SetTrackName( strText + _W( " / " ) + GetTrackName( pCDtextPacks->trackNumber - 1 ),
pCDtextPacks->trackNumber - 1 );
}
break;
default:
break;
}
pCDtextPacks->trackNumber++;
strText = _T( "" );
}
}
}
}
}
// Delete CD-Text buffer
delete[] pbtBuffer;
EXIT_TRACE( _T( "CDInfo::ReadCDText(), return value: %d" ), CDEX_OK == bErr );
return ( CDEX_OK == bErr );
}