C++ CMusicInfoTag::SetDuration方法代码示例

bool CMusicInfoTagLoaderSPC::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  tag.SetLoaded(false);

  CFile file;
  if (!file.Open(strFileName))
  {
    CLog::Log(LOGERROR,"MusicInfoTagLoaderSPC: failed to open SPC %s",strFileName.c_str());
    return false;
  }

  tag.SetURL(strFileName);

  tag.SetLoaded(false);
  SPC_ID666* spc = SPC_get_id666FP(file);
  if (!spc)
    return false;
  if( strcmp(spc->songname,"") )
  {
    tag.SetTitle(spc->songname);
    tag.SetLoaded(true);
  }

  if( strcmp(spc->author,"") && tag.Loaded() )
    tag.SetArtist(spc->author);

  if (spc->playtime)
    tag.SetDuration(spc->playtime);
  else
    tag.SetDuration(4*60); // 4 mins

  free(spc);
  return tag.Loaded();
}

bool CMusicInfoTagLoaderSHN::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  try
  {
    // SHN has no tag information other than the duration.

    // Load our codec class
    SHNCodec codec;
    if (codec.Init(strFileName, 4096))
    {
      tag.SetURL(strFileName);
      tag.SetDuration((int)((codec.m_TotalTime + 500)/ 1000));
      tag.SetLoaded(false);
      codec.DeInit();
      return true;
    }
  }
  catch (...)
  {
    CLog::Log(LOGERROR, "Tag loader ape: exception in file %s", strFileName.c_str());
  }

  tag.SetLoaded(false);
  return false;
}

bool CMusicInfoTagLoaderMod::Load(const CStdString& strFileName, CMusicInfoTag& tag, EmbeddedArt *art)
{
  tag.SetURL(strFileName);
  // first, does the module have a .mdz?
  CStdString strMDZ(URIUtils::ReplaceExtension(strFileName,".mdz"));
  if (CFile::Exists(strMDZ))
  {
    if (!getFile(strMDZ,strMDZ))
    {
      tag.SetLoaded(false);
      return( false );
    }
    ifstream inMDZ(CSpecialProtocol::TranslatePath(strMDZ.c_str()));
    char temp[8192];
    char temp2[8192];

    while (!inMDZ.eof())
    {
      inMDZ.getline(temp,8191);
      if (strstr(temp,"COMPOSER"))
      {
        strcpy(temp2,temp+strlen("COMPOSER "));
        tag.SetArtist(temp2);
      }
      else if (strstr(temp,"TITLE"))
      {
        strcpy(temp2,temp+strlen("TITLE "));
        tag.SetTitle(temp2);
        tag.SetLoaded(true);
      }
      else if (strstr(temp,"PLAYTIME"))
      {
        char* temp3 = strtok(temp+strlen("PLAYTIME "),":");
        int iSecs = atoi(temp3)*60;
        temp3 = strtok(NULL,":");
        iSecs += atoi(temp3);
        tag.SetDuration(iSecs);
      }
      else if (strstr(temp,"STYLE"))
      {
        strcpy(temp2,temp+strlen("STYLE "));
        tag.SetGenre(temp2);
      }
    }
    return( tag.Loaded() );
  }
  else
  {
    // TODO: no, then try to atleast fetch the title
  }

  return tag.Loaded();
}

bool CMusicInfoTagLoaderApe::Load(const CStdString& strFileName, CMusicInfoTag& tag, EmbeddedArt *art)
{
  try
  {
    // retrieve the APE Tag info from strFileName
    // and put it in tag
    tag.SetURL(strFileName);
    DVDPlayerCodec codec;
    if (codec.Init(strFileName, 4096))
    {
      tag.SetDuration((int)(codec.m_TotalTime/1000));
      codec.DeInit();
    }
    CAPEv2Tag myTag;
    if (myTag.ReadTag((char*)strFileName.c_str())) // true to check ID3 tag as well
    {
      tag.SetTitle(myTag.GetTitle());
      tag.SetAlbum(myTag.GetAlbum());
      tag.SetArtist(myTag.GetArtist());
      tag.SetAlbumArtist(myTag.GetAlbumArtist());
      tag.SetGenre(myTag.GetGenre());
      tag.SetTrackNumber(myTag.GetTrackNum());
      tag.SetPartOfSet(myTag.GetDiscNum());
      tag.SetComment(myTag.GetComment());
      tag.SetLyrics(myTag.GetLyrics());
      tag.SetMusicBrainzAlbumArtistID(myTag.GetMusicBrainzAlbumArtistID());
      tag.SetMusicBrainzAlbumID(myTag.GetMusicBrainzAlbumID());
      tag.SetMusicBrainzArtistID(myTag.GetMusicBrainzArtistID());
      tag.SetMusicBrainzTrackID(myTag.GetMusicBrainzTrackID());
      tag.SetMusicBrainzTRMID(myTag.GetMusicBrainzTRMID());
      SYSTEMTIME dateTime;
      ZeroMemory(&dateTime, sizeof(SYSTEMTIME));
      dateTime.wYear = atoi(myTag.GetYear());
      tag.SetRating(myTag.GetRating());
      tag.SetReleaseDate(dateTime);
      tag.SetLoaded();
      return true;
    }
  }
  catch (...)
  {
    CLog::Log(LOGERROR, "Tag loader ape: exception in file %s", strFileName.c_str());
  }

  tag.SetLoaded(false);
  return false;
}

bool CMusicInfoTagLoaderASAP::Load(const CStdString &strFile, CMusicInfoTag &tag, EmbeddedArt *art)
{
    tag.SetLoaded(false);

    if (!m_dll.Load())
        return false;

    CStdString strFileToLoad = strFile;
    int song = -1;
    CStdString strExtension;
    URIUtils::GetExtension(strFile, strExtension);
    strExtension.MakeLower();
    if (strExtension == ".asapstream")
    {
        CStdString strFileName = URIUtils::GetFileName(strFile);
        int iStart = strFileName.ReverseFind('-') + 1;
        song = atoi(strFileName.substr(iStart, strFileName.size() - iStart - 11).c_str()) - 1;
        CStdString strPath = strFile;
        URIUtils::GetDirectory(strPath, strFileToLoad);
        URIUtils::RemoveSlashAtEnd(strFileToLoad);
    }

    ASAP_SongInfo songInfo;
    if (!m_dll.asapGetInfo(strFileToLoad.c_str(), song, &songInfo))
        return false;

    tag.SetURL(strFileToLoad);
    if (songInfo.name[0] != '\0')
        tag.SetTitle(songInfo.name);
    if (songInfo.author[0] != '\0')
        tag.SetArtist(songInfo.author);
    if (song >= 0)
        tag.SetTrackNumber(song + 1);
    if (songInfo.duration >= 0)
        tag.SetDuration(songInfo.duration / 1000);
    if (songInfo.year > 0)
    {
        SYSTEMTIME dateTime = { (WORD)songInfo.year, (WORD)songInfo.month, 0,
                                (WORD)songInfo.day, 0, 0, 0, 0
                              };
        tag.SetReleaseDate(dateTime);
    }
    tag.SetLoaded(true);
    return true;
}

bool CMusicInfoTagLoaderSHN::Load(const std::string& strFileName, CMusicInfoTag& tag, EmbeddedArt *art)
{
  try
  {

    tag.SetURL(strFileName);
    tag.SetDuration((long)0); //! @todo Use libavformat to calculate duration.
    tag.SetLoaded(false);

    return true;
  }
  catch (...)
  {
    CLog::Log(LOGERROR, "Tag loader shn: exception in file %s", strFileName.c_str());
  }

  tag.SetLoaded(false);
  return false;
}

int CPVRChannels::GetChannels(CFileItemList* results, int iGroupID /* = -1 */, bool bHidden /* = false */)
{
  int iAmount = 0;

  SortByChannelNumber();

  for (unsigned int ptr = 0; ptr < size(); ptr++)
  {
    CPVRChannel *channel = at(ptr);

    if (channel->IsHidden() != bHidden)
      continue;

    if (iGroupID != -1 && channel->GroupID() != iGroupID)
      continue;

    CFileItemPtr channelFile(new CFileItem(*channel));

    if (channel->IsRadio())
    {
      CMusicInfoTag* musictag = channelFile->GetMusicInfoTag();
      if (musictag)
      {
        const CPVREpgInfoTag *epgNow = channel->GetEPGNow();
        musictag->SetURL(channel->Path());
        musictag->SetTitle(epgNow->Title());
        musictag->SetArtist(channel->ChannelName());
        musictag->SetAlbumArtist(channel->ChannelName());
        musictag->SetGenre(epgNow->Genre());
        musictag->SetDuration(epgNow->GetDuration());
        musictag->SetLoaded(true);
        musictag->SetComment("");
        musictag->SetLyrics("");
      }
    }

    results->Add(channelFile);
    iAmount++;
  }
  return iAmount;
}

bool CMusicInfoTagLoaderAdplug::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  tag.SetLoaded(false);

  if (!m_dll.Load())
    return false;

  m_adl = m_dll.LoadADL(strFileName.c_str());
  if (!m_adl)
  {
    CLog::Log(LOGERROR,"MusicInfoTagLoaderAdplug: failed to open %s",strFileName.c_str());
    return false;
  }

  tag.SetURL(strFileName);

  tag.SetLoaded(false);
  const char* szTitle = m_dll.GetTitle(m_adl); // no alloc
  if (szTitle)
    if( strcmp(szTitle,"") )
    {
      tag.SetTitle(szTitle);
      tag.SetLoaded(true);
    }

  const char* szArtist = m_dll.GetArtist(m_adl); // no alloc
  if( strcmp(szArtist,"") && tag.Loaded() )
    tag.SetArtist(szArtist);

  tag.SetDuration(m_dll.GetLength(m_adl)/1000);

  m_dll.FreeADL(m_adl);
  m_adl = 0;

  return tag.Loaded();
}

bool CMusicInfoTagLoaderYM::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  tag.SetLoaded(false);

  if (!m_dll.Load())
    return false;

  m_ym = m_dll.LoadYM(strFileName.c_str());
  if (!m_ym)
  {
    CLog::Log(LOGERROR,"MusicInfoTagLoaderYM: failed to open YM %s",strFileName.c_str());
    return false;
  }

  tag.SetURL(strFileName);

  tag.SetLoaded(false);
  char* szTitle = (char*)m_dll.GetTitle(m_ym); // no alloc
  if (szTitle)
    if( strcmp(szTitle,"") )
    {
      tag.SetTitle(szTitle);
      tag.SetLoaded(true);
    }

  char* szArtist = (char*)m_dll.GetArtist(m_ym); // no alloc
  if (szArtist)
    if( strcmp(szArtist,"") && tag.Loaded() )
      tag.SetArtist(szArtist);

  tag.SetDuration(m_dll.GetLength(m_ym));
  m_dll.FreeYM(m_ym);
  m_ym = 0;

  return tag.Loaded();
}

bool CMusicInfoTagLoaderWAV::Load(const CStdString& strFileName, CMusicInfoTag& tag, EmbeddedArt *art)
{
  try
  {
    // WAV has no tag information other than the duration.

    // Load our codec class
    WAVCodec codec;
    if (codec.Init(strFileName, 4096))
    {
      tag.SetURL(strFileName);
      tag.SetDuration((int)(codec.m_TotalTime/1000));
      tag.SetLoaded(false);
      codec.DeInit();
      return true;
    }
  }
  catch (...)
  {
    CLog::Log(LOGERROR, "Tag loader wav: exception in file %s", strFileName.c_str());
  }

  return false;
}

//.........这里部分代码省略.........
    temp3 = NULL;
  if (temp3)
  {
    for (int i=0;i<iTrack-1;++i) // skip tracks
    {
      int iStart = reg.RegFind(temp3);
      if (!iStart)
      {
        tag.SetLoaded(false);
        return false;
      }
      temp3 += iStart;
    }
    if(reg.RegFind(temp3) > -1)
    {
      char* szTitle = reg.GetReplaceString("\\1");
      char* szArtist = reg.GetReplaceString("\\2");
      char* szMins = NULL;
      char* szSecs = NULL;
      CRegExp reg2;
      reg2.RegComp("(.*) \\(([0-9]*):([0-9]*)\\)");
      if (reg2.RegFind(szTitle) > -1)
      {
        szMins = reg2.GetReplaceString("\\2");
        szSecs = reg2.GetReplaceString("\\3");
        char* szTemp = reg2.GetReplaceString("\\1");
        free(szTitle);
        szTitle = szTemp;
      }
      tag.SetLoaded(true);
      tag.SetURL(strFileToLoad);
      tag.SetTrackNumber(iTrack);
      if (szMins && szSecs)
        tag.SetDuration(atoi(szMins)*60+atoi(szSecs));

      tag.SetTitle(szTitle);
      tag.SetArtist(szArtist);
      if( szTitle )
        free(szTitle);
      if( szArtist )
        free(szArtist);
      if( szMins )
        free(szMins);
      if( szSecs )
        free(szSecs);
    }
  }

  sprintf(temp,"%s\\%s",g_settings.GetDatabaseFolder().c_str(),"sidlist.csv"); // changeme?
  std::ifstream f2(temp);
  if( !f2.good() ) {
    CLog::Log(LOGINFO,"MusicInfoTagLoaderSid::Load(..) unable to locate sidlist.csv");
    tag.SetLoaded(false);
    return( false );
  }

  while( !f2.eof() ) {
    f2.getline(temp,8191);
    CStdString strTemp(temp);
    strTemp.MakeLower();
    unsigned int iFind = strTemp.find(strHVSCpath);
    if (iFind == string::npos)
      continue;

    char temp2[1024];
    char temp3[1024];

bool CPVRManager::UpdateItem(CFileItem& item)
{
  /* Don't update if a recording is played */
  if (item.IsPVRRecording())
    return false;

  if (!item.IsPVRChannel())
  {
    CLog::Log(LOGERROR, "CPVRManager - %s - no channel tag provided", __FUNCTION__);
    return false;
  }

  CSingleLock lock(m_critSection);
  if (!m_currentFile || *m_currentFile->GetPVRChannelInfoTag() == *item.GetPVRChannelInfoTag())
    return false;

  g_application.CurrentFileItem() = *m_currentFile;
  g_infoManager.SetCurrentItem(*m_currentFile);

  CPVRChannel* channelTag = item.GetPVRChannelInfoTag();
  CEpgInfoTag epgTagNow;
  bool bHasTagNow = channelTag->GetEPGNow(epgTagNow);

  if (channelTag->IsRadio())
  {
    CMusicInfoTag* musictag = item.GetMusicInfoTag();
    if (musictag)
    {
      musictag->SetTitle(bHasTagNow ? epgTagNow.Title() : g_localizeStrings.Get(19055));
      if (bHasTagNow)
        musictag->SetGenre(epgTagNow.Genre());
      musictag->SetDuration(bHasTagNow ? epgTagNow.GetDuration() : 3600);
      musictag->SetURL(channelTag->Path());
      musictag->SetArtist(channelTag->ChannelName());
      musictag->SetAlbumArtist(channelTag->ChannelName());
      musictag->SetLoaded(true);
      musictag->SetComment(StringUtils::EmptyString);
      musictag->SetLyrics(StringUtils::EmptyString);
    }
  }
  else
  {
    CVideoInfoTag *videotag = item.GetVideoInfoTag();
    if (videotag)
    {
      videotag->m_strTitle = bHasTagNow ? epgTagNow.Title() : g_localizeStrings.Get(19055);
      if (bHasTagNow)
        videotag->m_genre = epgTagNow.Genre();
      videotag->m_strPath = channelTag->Path();
      videotag->m_strFileNameAndPath = channelTag->Path();
      videotag->m_strPlot = bHasTagNow ? epgTagNow.Plot() : StringUtils::EmptyString;
      videotag->m_strPlotOutline = bHasTagNow ? epgTagNow.PlotOutline() : StringUtils::EmptyString;
      videotag->m_iEpisode = bHasTagNow ? epgTagNow.EpisodeNum() : 0;
    }
  }

  CPVRChannel* tagPrev = item.GetPVRChannelInfoTag();
  if (tagPrev && tagPrev->ChannelNumber() != m_LastChannel)
  {
    m_LastChannel         = tagPrev->ChannelNumber();
    m_LastChannelChanged  = XbmcThreads::SystemClockMillis();
  }
  if (XbmcThreads::SystemClockMillis() - m_LastChannelChanged >= (unsigned int) g_guiSettings.GetInt("pvrplayback.channelentrytimeout") && m_LastChannel != m_PreviousChannel[m_PreviousChannelIndex])
     m_PreviousChannel[m_PreviousChannelIndex ^= 1] = m_LastChannel;
  else
    m_LastChannelChanged = XbmcThreads::SystemClockMillis();

  return false;
}

int CMusicInfoTagLoaderMP4::ParseAtom( int64_t startOffset, int64_t stopOffset, CMusicInfoTag& tag )
{
  int64_t       currentOffset;
  int           atomSize;
  unsigned int  atomName;
  char          atomHeader[ 10 ];
  int64_t       ret = 0;

  currentOffset = startOffset;
  while ( currentOffset < stopOffset)
  {
    // Seek to the atom header
    ret = m_file.Seek( currentOffset, SEEK_SET );
    if(ret != currentOffset || ret == -1) 
    {
      CLog::Log(LOGDEBUG, "%s unable to Seek.", __FUNCTION__);
      return 0;
    }

    // Read it in.. we only want the atom name & size.. they're always there..
    ret = m_file.Read( atomHeader, 8 );
    if(ret < 8 || ret == -1) 
    {
      CLog::Log(LOGDEBUG, "%s unable to Read.", __FUNCTION__);
      return 0;
    }
    
    // Now pull out the bits we need..
    atomSize = ReadUnsignedInt( &atomHeader[ 0 ] );
    atomName = ReadUnsignedInt( &atomHeader[ 4 ] );

    // See if it's a container atom.. if it is, then recursively call ParseAtom on it...
    for ( unsigned int containerAtom = 0; containerAtom < ( sizeof( g_ContainerAtoms ) / sizeof( unsigned int ) ); containerAtom++ )
    {
      if ( atomName == g_ContainerAtoms[ containerAtom ] )
      {
        ParseAtom( m_file.GetPosition(), currentOffset + atomSize, tag );
        break;
      }
    }

    // We're primarily interested in the 'meta' and 'mdhd' tags..
    if ( atomName == g_MetaAtomName )
    {
      // Use auto_aptr for our workspace, so that it tidies up on any throw..
      auto_aptr<char> atomBuffer( new char[ atomSize ] );

      // Read the metadata in..
      m_file.Read( atomBuffer.get(), atomSize - 4 ); // We've already read the size/name in...

      // Look for the 'ilst' atom, and turn it into an offset within atomBuffer.
      int nextTagPosition = GetILSTOffset( atomBuffer.get(), atomSize - 4 ) + 8;

      // Now go through all of the tags we find.. processing is pretty much taken from source at http://www.getid3.org..
      while ( ( nextTagPosition < ( atomSize - 4 ) ) && ( nextTagPosition > 8 ) )
      {
        int metaSize          = ReadUnsignedInt( atomBuffer.get() + ( nextTagPosition - 4 ) ) - 4;
        unsigned int metaKey  = ReadUnsignedInt( atomBuffer.get() + nextTagPosition );
        char* metaData        = ( atomBuffer.get() + nextTagPosition ) + 20;

        if (metaSize - 20 <= 0)
          break;

        // This is where the next chunk of data will be, if present..
        nextTagPosition += ( metaSize + 4 );


        // Ok.. we've got some metadata to process. Go to it.
        ParseTag( metaKey, metaData, metaSize - 20, tag );
      }
    }
    else
      if ( atomName == g_MdhdAtomName )
      {
        char mdhdData[ 20 ];
        m_file.Read( mdhdData, sizeof( mdhdData ) );

        unsigned int timeScale = ReadUnsignedInt( mdhdData+12 );
        unsigned int duration  = ReadUnsignedInt( mdhdData+16 );
        tag.SetDuration( duration / timeScale );
      }

      // If we've got a zero sized atom, then it's all over.. force the offset to trigger a stop.
      if ( atomSize == 0 )
        currentOffset = stopOffset;
      else
        currentOffset += atomSize;
  }

  // Everything seems to have gone ok...
  return 1;
}

bool CPVRManager::UpdateItem(CFileItem& item)
{
  /* Don't update if a recording is played */
  if (item.IsPVRRecording())
    return false;

  if (!item.IsPVRChannel())
  {
    CLog::Log(LOGERROR, "CPVRManager - %s - no channel tag provided", __FUNCTION__);
    return false;
  }

  CSingleLock lock(m_critSection);
  if (!m_currentFile || *m_currentFile->GetPVRChannelInfoTag() == *item.GetPVRChannelInfoTag())
    return false;

  g_application.CurrentFileItem() = *m_currentFile;
  g_infoManager.SetCurrentItem(*m_currentFile);

  CPVRChannel* channelTag = item.GetPVRChannelInfoTag();
  CEpgInfoTag epgTagNow;
  bool bHasTagNow = channelTag->GetEPGNow(epgTagNow);

  if (channelTag->IsRadio())
  {
    CMusicInfoTag* musictag = item.GetMusicInfoTag();
    if (musictag)
    {
      musictag->SetTitle(bHasTagNow ?
          epgTagNow.Title() :
          g_guiSettings.GetBool("epg.hidenoinfoavailable") ?
              StringUtils::EmptyString :
              g_localizeStrings.Get(19055)); // no information available
      if (bHasTagNow)
        musictag->SetGenre(epgTagNow.Genre());
      musictag->SetDuration(bHasTagNow ? epgTagNow.GetDuration() : 3600);
      musictag->SetURL(channelTag->Path());
      musictag->SetArtist(channelTag->ChannelName());
      musictag->SetAlbumArtist(channelTag->ChannelName());
      musictag->SetLoaded(true);
      musictag->SetComment(StringUtils::EmptyString);
      musictag->SetLyrics(StringUtils::EmptyString);
    }
  }
  else
  {
    CVideoInfoTag *videotag = item.GetVideoInfoTag();
    if (videotag)
    {
      videotag->m_strTitle = bHasTagNow ?
          epgTagNow.Title() :
          g_guiSettings.GetBool("epg.hidenoinfoavailable") ?
              StringUtils::EmptyString :
              g_localizeStrings.Get(19055); // no information available
      if (bHasTagNow)
        videotag->m_genre = epgTagNow.Genre();
      videotag->m_strPath = channelTag->Path();
      videotag->m_strFileNameAndPath = channelTag->Path();
      videotag->m_strPlot = bHasTagNow ? epgTagNow.Plot() : StringUtils::EmptyString;
      videotag->m_strPlotOutline = bHasTagNow ? epgTagNow.PlotOutline() : StringUtils::EmptyString;
      videotag->m_iEpisode = bHasTagNow ? epgTagNow.EpisodeNum() : 0;
    }
  }

  return false;
}

bool CMusicInfoTagLoaderCDDA::Load(const std::string& strFileName, CMusicInfoTag& tag, EmbeddedArt *art)
{
#ifdef HAS_DVD_DRIVE
  try
  {
    tag.SetURL(strFileName);
    bool bResult = false;

    // Get information for the inserted disc
    CCdInfo* pCdInfo = g_mediaManager.GetCdInfo();
    if (pCdInfo == NULL)
      return bResult;

    // Prepare cddb
    Xcddb cddb;
    cddb.setCacheDir(CProfilesManager::GetInstance().GetCDDBFolder());

    int iTrack = atoi(strFileName.substr(13, strFileName.size() - 13 - 5).c_str());

    // duration is always available
    tag.SetDuration( ( pCdInfo->GetTrackInformation(iTrack).nMins * 60 )
                     + pCdInfo->GetTrackInformation(iTrack).nSecs );

    // Only load cached cddb info in this tag loader, the internet database query is made in CCDDADirectory
    if (pCdInfo->HasCDDBInfo() && cddb.isCDCached(pCdInfo))
    {
      // get cddb information
      if (cddb.queryCDinfo(pCdInfo))
      {
        // Fill the fileitems music tag with cddb information, if available
        std::string strTitle = cddb.getTrackTitle(iTrack);
        if (!strTitle.empty())
        {
          // Tracknumber
          tag.SetTrackNumber(iTrack);

          // Title
          tag.SetTitle(strTitle);

          // Artist: Use track artist or disc artist
          std::string strArtist = cddb.getTrackArtist(iTrack);
          if (strArtist.empty())
            cddb.getDiskArtist(strArtist);
          tag.SetArtist(strArtist);

          // Album
          std::string strAlbum;
          cddb.getDiskTitle( strAlbum );
          tag.SetAlbum(strAlbum);

          // Album Artist
          std::string strAlbumArtist;
          cddb.getDiskArtist(strAlbumArtist);
          tag.SetAlbumArtist(strAlbumArtist);

          // Year
          SYSTEMTIME dateTime;
          dateTime.wYear = atoi(cddb.getYear().c_str());
          tag.SetReleaseDate( dateTime );

          // Genre
          tag.SetGenre( cddb.getGenre() );

          tag.SetLoaded(true);
          bResult = true;
        }
      }
    }
    else
    {
      // No cddb info, maybe we have CD-Text
      trackinfo ti = pCdInfo->GetTrackInformation(iTrack);

      // Fill the fileitems music tag with CD-Text information, if available
      std::string strTitle = ti.cdtext[CDTEXT_TITLE];
      if (!strTitle.empty())
      {
        // Tracknumber
        tag.SetTrackNumber(iTrack);

        // Title
        tag.SetTitle(strTitle);

        // Get info for track zero, as we may have and need CD-Text Album info
        xbmc_cdtext_t discCDText = pCdInfo->GetDiscCDTextInformation();

        // Artist: Use track artist or disc artist
        std::string strArtist = ti.cdtext[CDTEXT_PERFORMER];
        if (strArtist.empty())
          strArtist = discCDText[CDTEXT_PERFORMER];
        tag.SetArtist(strArtist);

        // Album
        std::string strAlbum;
        strAlbum = discCDText[CDTEXT_TITLE];
        tag.SetAlbum(strAlbum);

        // Genre: use track or disc genre
        std::string strGenre = ti.cdtext[CDTEXT_GENRE];
        if (strGenre.empty())
//.........这里部分代码省略.........