C++ CMusicInfoTag::SetLoaded方法代码示例

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 CMusicInfoTagLoaderMP4::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  try
  {
    // Initially we say that we've not loaded any tag information
    tag.SetLoaded(false);

    // Attempt to open the file..
    if ( !m_file.Open( strFileName ) )
    {
      CLog::Log(LOGDEBUG, "Tag loader mp4: failed to open file %s", strFileName.c_str() );
      return false;
    }

    // We've opened it, so associate the tag with the filename.
    tag.SetURL(strFileName);

    // Now go parse our atom data
    m_thumbSize = false;
    m_thumbData = NULL;
    m_isCompilation = false;
    ParseAtom( 0, m_file.GetLength(), tag );

    if (m_thumbData)
    { // cache the thumb
      // if we don't have an album tag, cache with the full file path so that
      // other non-tagged files don't get this album image
      CStdString strCoverArt;
      if (!tag.GetAlbum().IsEmpty() && (!tag.GetAlbumArtist().IsEmpty() || !tag.GetArtist().IsEmpty()))
        strCoverArt = CThumbnailCache::GetAlbumThumb(&tag);
      else
        strCoverArt = CThumbnailCache::GetMusicThumb(tag.GetURL());
      if (!CUtil::ThumbExists(strCoverArt))
      {
        if (CPicture::CreateThumbnailFromMemory( m_thumbData, m_thumbSize, "", strCoverArt ) )
        {
          CUtil::ThumbCacheAdd( strCoverArt, true );
        }
        else
        {
          CLog::Log(LOGDEBUG, "%s unable to cache thumb as %s", __FUNCTION__, strCoverArt.c_str());
          CUtil::ThumbCacheAdd( strCoverArt, false );
        }
      }
      delete[] m_thumbData;
    }

    if (m_isCompilation)
    { // iTunes compilation flag is set - this could be a various artists file
      if (tag.GetAlbumArtist().IsEmpty())
        tag.SetAlbumArtist(g_localizeStrings.Get(340)); // Various Artists
    }
    // Close the file..
    m_file.Close();

    // Return to caller
    return true;
  }

  catch (...)
  {
    CLog::Log(LOGERROR, "Tag loader mp4: exception in file %s", strFileName.c_str());
  }

  // Something must have gone wrong for us to get here, so let's report our failure to the boss..
  tag.SetLoaded(false);
  return false;
}

// Based on MediaInfo
// by J�r�me Martinez, [email protected]
// http://sourceforge.net/projects/mediainfo/
bool CMusicInfoTagLoaderWMA::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  try
  {
    tag.SetLoaded(false);
    CFile file;
    if (!file.Open(strFileName)) return false;

    tag.SetURL(strFileName);

    // Note that we're reading in a bit more than the buffer size, because the 'peek'ing
    // below is dealing with integers and reads off the end. Rather than change
    // all the checks below, I've simply allocated a bigger buffer.
    const unsigned int bufferSize = 256*1024;
    auto_aptr<unsigned char> pData(new unsigned char[bufferSize+32]);
    file.Read(pData.get(), bufferSize+32);
    file.Close();

    unsigned int iOffset;
    unsigned int* pDataI;
    CStdString16 utf16String;

    //Play time
    iOffset = 0;
    pDataI = (unsigned int*)pData.get();
    while (!(pDataI[0] == 0x75B22630 && pDataI[1] == 0x11CF668E && pDataI[2] == 0xAA00D9A6 && pDataI[3] == 0x6CCE6200) && iOffset <= bufferSize - 4)
    {
      iOffset++;
      pDataI = (unsigned int*)(pData.get() + iOffset);
    }
    if (iOffset > bufferSize - 4)
      return false;

    //Play time
    iOffset = 0;
    pDataI = (unsigned int*)pData.get();
    while (!(pDataI[0] == 0x8CABDCA1 && pDataI[1] == 0x11CFA947 && pDataI[2] == 0xC000E48E && pDataI[3] == 0x6553200C) && iOffset <= bufferSize - 4)
    {
      iOffset++;
      pDataI = (unsigned int*)(pData.get() + iOffset);
    }
    if (iOffset <= bufferSize - 4)
    {
      iOffset += 64;
      pDataI = (unsigned int*)(pData.get() + iOffset);
      float F1 = (float)pDataI[1];
      F1 = F1 * 0x10000 * 0x10000 + pDataI[0];
      tag.SetDuration((long)((F1 / 10000) / 1000)); // from milliseconds to seconds
    }

    //Description  Title
    iOffset = 0;
    pDataI = (unsigned int*)pData.get();
    while (!(pDataI[0] == 0x75B22633 && pDataI[1] == 0x11CF668E && pDataI[2] == 0xAA00D9A6 && pDataI[3] == 0x6CCE6200) && iOffset <= bufferSize - 4)
    {
      iOffset++;
      pDataI = (unsigned int*)(pData.get() + iOffset);
    }
    if (iOffset <= bufferSize - 4)
    {
      iOffset += 24;
      int nTitleSize = pData[iOffset + 0] + pData[iOffset + 1] * 0x100;
      int nAuthorSize = pData[iOffset + 2] + pData[iOffset + 3] * 0x100;
      //int nCopyrightSize = pData[iOffset + 4] + pData[iOffset + 5] * 0x100;
      //int nCommentsSize = pData[iOffset + 6] + pData[iOffset + 7] * 0x100;

      iOffset += 10;

      CStdString utf8String;
      if (nTitleSize)
      {
        // TODO: UTF-8 Do we need to "fixString" these strings at all?
        utf16String = (uint16_t*)(pData.get()+iOffset);
        g_charsetConverter.utf16LEtoUTF8(utf16String, utf8String);
        tag.SetTitle(utf8String);
      }

      if (nAuthorSize)
      {
        utf8String = "";
        utf16String = (uint16_t*)(pData.get() + iOffset + nTitleSize);
        g_charsetConverter.utf16LEtoUTF8(utf16String, utf8String);
        tag.SetArtist(utf8String);
      }

      //General(ZT("Copyright"))=(LPWSTR)(pData.get()+iOffset+(nTitleSize+nAuthorSize));
      //General(ZT("Comments"))=(LPWSTR)(pData.get()+iOffset+(nTitleSize+nAuthorSize+nCopyrightSize));
    }

    // Maybe these information can be usefull in the future

    //Info audio
    //iOffset=0;
    //pDataI=(unsigned int*)pData;
    //while (!(pDataI[0]==0xF8699E40 && pDataI[1]==0x11CF5B4D && pDataI[2]==0x8000FDA8 && pDataI[3]==0x2B445C5F) && iOffset<=bufferSize-4)
    //{
    //iOffset++;
//.........这里部分代码省略.........

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.........

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.SetCurrentFileItem(*m_currentFile);
  CFileItemPtr itemptr(new CFileItem(*m_currentFile));
  g_infoManager.SetCurrentItem(itemptr);

  CPVRChannelPtr channelTag(item.GetPVRChannelInfoTag());
  CEpgInfoTagPtr epgTagNow(channelTag->GetEPGNow());

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

  return false;
}

bool CMusicInfoTagLoaderSid::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  CStdString strFileToLoad = strFileName;
  int iTrack = 0;
  CStdString strExtension;
  CUtil::GetExtension(strFileName,strExtension);
  strExtension.MakeLower();
  if (strExtension==".sidstream")
  {
    //  Extract the track to play
    CStdString strFile=CUtil::GetFileName(strFileName);
    int iStart=strFile.ReverseFind("-")+1;
    iTrack = atoi(strFile.substr(iStart, strFile.size()-iStart-10).c_str());
    //  The directory we are in, is the file
    //  that contains the bitstream to play,
    //  so extract it
    CStdString strPath=strFileName;
    CUtil::GetDirectory(strPath, strFileToLoad);
    CUtil::RemoveSlashAtEnd(strFileToLoad);   // we want the filename
  }
  CStdString strFileNameLower(strFileToLoad);
  strFileNameLower.MakeLower();
  int iHVSC = strFileNameLower.find("hvsc"); // need hvsc in path name since our lookupfile is based on hvsc paths
  if (iHVSC < 0)
  {
    iHVSC = strFileNameLower.find("c64music");
    if (iHVSC >= 0)
      iHVSC += 8;
  }
  else
    iHVSC += 4;
  if( iHVSC < 0 )
  {
    tag.SetLoaded(false);
    return( false );
  }

  CStdString strHVSCpath = strFileToLoad.substr(iHVSC,strFileToLoad.length()-1);

  strHVSCpath.Replace('\\','/'); // unix paths
  strHVSCpath.MakeLower();

  char temp[8192];
  CRegExp reg;
  if (!reg.RegComp("TITLE: ([^\r\n]*)\r?\n[^A]*ARTIST: ([^\r\n]*)\r?\n"))
  {
    CLog::Log(LOGINFO,"MusicInfoTagLoaderSid::Load(..): failed to compile regular expression");
    tag.SetLoaded(false);
    return( false );
  }

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

  const char* szStart = NULL;
  const char* szEnd = NULL;
  char temp2[8191];
  char* temp3 = temp2;
  while( !f.eof() && !szEnd )
  {
    f.read(temp,8191);
    CStdString strLower = temp;
    strLower.MakeLower();

    if (!szStart)
      szStart= (char *)strstr(strLower.c_str(),strHVSCpath.c_str());
    if (szStart)
    {
      szEnd = strstr(szStart+strHVSCpath.size(),".sid");
      if (szEnd)
      {
        memcpy(temp3,temp+(szStart-strLower.c_str()),szEnd-szStart);
        temp3 += szEnd-szStart;
      }
      else
      {
        memcpy(temp3,temp+(szStart-strLower.c_str()),strlen(szStart));
        szStart = NULL;
        temp3 += strlen(szStart);
      }
    }
  }
  f.close();

  if (!f.eof() && szEnd)
  {
    temp2[temp3-temp2] = '\0';
    temp3 = strstr(temp2,"TITLE:");
  }
  else
    temp3 = NULL;
  if (temp3)
  {
    for (int i=0;i<iTrack-1;++i) // skip tracks
    {
//.........这里部分代码省略.........

void CMusicInfoTagLoaderMP4::ParseTag( unsigned int metaKey, const char* pMetaData, int metaSize, CMusicInfoTag& tag, EmbeddedArt *art)
{
  switch ( metaKey )
  {
  case g_TitleAtomName:
    {
      // We need to zero-terminate the string, which needs workspace..
      auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
      memcpy( dataWorkspace.get(), pMetaData, metaSize );
      dataWorkspace[ metaSize ] = '\0';

      // we use utf8 internally
      tag.SetLoaded( true );
      tag.SetTitle( dataWorkspace.get() );

      break;
    }

  case g_ArtistAtomName:
    {
      // We need to zero-terminate the string, which needs workspace..
      auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
      memcpy( dataWorkspace.get(), pMetaData, metaSize );
      dataWorkspace[ metaSize ] = '\0';

      tag.SetArtist( dataWorkspace.get() );

      break;
    }

  case g_AlbumAtomName:
    {
      // We need to zero-terminate the string, which needs workspace..
      auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
      memcpy( dataWorkspace.get(), pMetaData, metaSize );
      dataWorkspace[ metaSize ] = '\0';

      tag.SetAlbum( dataWorkspace.get() );

      break;
    }

  case g_AlbumArtistAtomName:
    {
      // We need to zero-terminate the string, which needs workspace..
      auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
      memcpy( dataWorkspace.get(), pMetaData, metaSize );
      dataWorkspace[ metaSize ] = '\0';

      tag.SetAlbumArtist( dataWorkspace.get() );

      break;
    }
  case g_DayAtomName:
    {
      // We need to zero-terminate the string, which needs workspace..
      auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
      memcpy( dataWorkspace.get(), pMetaData, metaSize );
      dataWorkspace[ metaSize ] = '\0';

      SYSTEMTIME dateTime;
      dateTime.wYear = atoi( dataWorkspace.get() );
      tag.SetReleaseDate( dateTime );

      break;
    }

  case g_GenreAtomName:
    {
      // When a genre number is specified, we need to translate to a string for display..
      // Note that AAC/iTunes genre numbers are the same as ID3 numbers, but are offset by 1.
      const char* pGenre = ID3_V1GENRE2DESCRIPTION( (unsigned char)pMetaData[ 1 ] - 1 );
      if ( pGenre )
      {
        tag.SetGenre( pGenre );
      }

      break;
    }
  case g_CompilationAtomName:
    {
      if (metaSize == 1)
        tag.SetCompilation(*pMetaData == 1);
      break;
    }
  case g_CommentAtomName:
    {
      // We need to zero-terminate the string, which needs workspace..
      auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
      memcpy( dataWorkspace.get(), pMetaData, metaSize );
      dataWorkspace[ metaSize ] = '\0';

      tag.SetComment( dataWorkspace.get() );
      break;
    }
  case g_LyricsAtomName:
    {
      // We need to zero-terminate the string, which needs workspace..
      auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
      memcpy( dataWorkspace.get(), pMetaData, metaSize );
//.........这里部分代码省略.........

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

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

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

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

  CPVRChannel* channelTag = item.GetPVRChannelInfoTag();
  const CPVREpgInfoTag* epgTagNow = channelTag->GetEPGNow();

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

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

  return false;
}

//.........这里部分代码省略.........
  else if (strExtension == "mpc")
    file = mpcFile = new MPC::File(stream);
  else if (strExtension == "mp3" || strExtension == "aac")
    file = mpegFile = new MPEG::File(stream, ID3v2::FrameFactory::instance());
  else if (strExtension == "s3m")
    file = s3mFile = new S3M::File(stream);
  else if (strExtension == "tta")
    file = ttaFile = new TrueAudio::File(stream, ID3v2::FrameFactory::instance());
  else if (strExtension == "wv")
    file = wvFile = new WavPack::File(stream);
  else if (strExtension == "xm")
    file = xmFile = new XM::File(stream);
  else if (strExtension == "ogg")
    file = oggVorbisFile = new Ogg::Vorbis::File(stream);
  else if (strExtension == "oga") // Leave this madness until last - oga container can have Vorbis or FLAC
  {
    file = oggFlacFile = new Ogg::FLAC::File(stream);
    if (!file || !file->isValid())
    {
      delete file;
      file = oggVorbisFile = new Ogg::Vorbis::File(stream);
    }
  }

  if (!file || !file->isOpen())
  {
    delete file;
    delete stream;
    CLog::Log(LOGDEBUG, "file could not be opened for tag reading");
    return false;
  }

  APE::Tag *ape = NULL;
  ASF::Tag *asf = NULL;
  MP4::Tag *mp4 = NULL;
  ID3v2::Tag *id3v2 = NULL;
  Ogg::XiphComment *xiph = NULL;
  Tag *generic = NULL;

  if (apeFile)
    ape = apeFile->APETag(false);
  else if (asfFile)
    asf = asfFile->tag();
  else if (flacFile)
  {
    xiph = flacFile->xiphComment(false);
    id3v2 = flacFile->ID3v2Tag(false);
  }
  else if (mp4File)
    mp4 = mp4File->tag();
  else if (mpegFile)
  {
    id3v2 = mpegFile->ID3v2Tag(false);
    ape = mpegFile->APETag(false);
  }
  else if (oggFlacFile)
    xiph = dynamic_cast<Ogg::XiphComment *>(oggFlacFile->tag());
  else if (oggVorbisFile)
    xiph = dynamic_cast<Ogg::XiphComment *>(oggVorbisFile->tag());
  else if (ttaFile)
    id3v2 = ttaFile->ID3v2Tag(false);
  else if (wvFile)
    ape = wvFile->APETag(false);
  else    // This is a catch all to get generic information for other files types (s3m, xm, it, mod, etc)
    generic = file->tag();

  if (file->audioProperties())
    tag.SetDuration(file->audioProperties()->length());

  if (ape && !g_advancedSettings.m_prioritiseAPEv2tags)
    ParseAPETag(ape, art, tag);

  if (asf)
    ParseASF(asf, art, tag);
  else if (id3v2)
    ParseID3v2Tag(id3v2, art, tag);
  else if (generic)
    ParseGenericTag(generic, art, tag);
  else if (mp4)
    ParseMP4Tag(mp4, art, tag);
  else if (xiph)
    ParseXiphComment(xiph, art, tag);

  // art for flac files is outside the tag
  if (flacFile)
    SetFlacArt(flacFile, art, tag);

  // Add APE tags over the top of ID3 tags if we want to prioritize them
  if (ape && g_advancedSettings.m_prioritiseAPEv2tags)
    ParseAPETag(ape, art, tag);

  if (!tag.GetTitle().IsEmpty() || !tag.GetArtist().empty() || !tag.GetAlbum().IsEmpty())
    tag.SetLoaded();
  tag.SetURL(strFileName);

  delete file;
  delete stream;
  
  return true;
}

bool CTagLoaderTagLib::ParseTag(ASF::Tag *asf, EmbeddedArt *art, CMusicInfoTag& tag)
{
  if (!asf)
    return false;

  ReplayGain replayGainInfo;
  tag.SetTitle(asf->title().to8Bit(true));
  const ASF::AttributeListMap& attributeListMap = asf->attributeListMap();
  for (ASF::AttributeListMap::ConstIterator it = attributeListMap.begin(); it != attributeListMap.end(); ++it)
  {
    if (it->first == "Author")
      SetArtist(tag, GetASFStringList(it->second));
    else if (it->first == "WM/AlbumArtist")
      SetAlbumArtist(tag, GetASFStringList(it->second));
    else if (it->first == "WM/AlbumTitle")
      tag.SetAlbum(it->second.front().toString().to8Bit(true));
    else if (it->first == "WM/TrackNumber" ||
             it->first == "WM/Track")
    {
      if (it->second.front().type() == ASF::Attribute::DWordType)
        tag.SetTrackNumber(it->second.front().toUInt());
      else
        tag.SetTrackNumber(atoi(it->second.front().toString().toCString(true)));
    }
    else if (it->first == "WM/PartOfSet")
      tag.SetDiscNumber(atoi(it->second.front().toString().toCString(true)));
    else if (it->first == "WM/Genre")
      SetGenre(tag, GetASFStringList(it->second));
    else if (it->first == "WM/Mood")
      tag.SetMood(it->second.front().toString().to8Bit(true));
    else if (it->first == "WM/Composer")
      AddArtistRole(tag, "Composer", GetASFStringList(it->second));
    else if (it->first == "WM/Conductor")
      AddArtistRole(tag, "Conductor", GetASFStringList(it->second));
    //No ASF/WMA tag from Taglib for "ensemble"
    else if (it->first == "WM/Writer")
      AddArtistRole(tag, "Lyricist", GetASFStringList(it->second));
    else if (it->first == "WM/ModifiedBy")
      AddArtistRole(tag, "Remixer", GetASFStringList(it->second));
    else if (it->first == "WM/Engineer")
      AddArtistRole(tag, "Engineer", GetASFStringList(it->second));
    else if (it->first == "WM/Producer")
      AddArtistRole(tag, "Producer", GetASFStringList(it->second));
    else if (it->first == "WM/DJMixer")
      AddArtistRole(tag, "DJMixer", GetASFStringList(it->second));
    else if (it->first == "WM/Mixer")
      AddArtistRole(tag, "mixer", GetASFStringList(it->second));
    else if (it->first == "WM/Publisher")
    {} // Known unsupported, supress warnings
    else if (it->first == "WM/AlbumArtistSortOrder")
    {} // Known unsupported, supress warnings
    else if (it->first == "WM/ArtistSortOrder")
    {} // Known unsupported, supress warnings
    else if (it->first == "WM/Script")
    {} // Known unsupported, supress warnings
    else if (it->first == "WM/Year")
      tag.SetYear(atoi(it->second.front().toString().toCString(true)));
    else if (it->first == "MusicBrainz/Artist Id")
      tag.SetMusicBrainzArtistID(SplitMBID(GetASFStringList(it->second)));
    else if (it->first == "MusicBrainz/Album Id")
      tag.SetMusicBrainzAlbumID(it->second.front().toString().to8Bit(true));
    else if (it->first == "MusicBrainz/Album Artist")
      SetAlbumArtist(tag, GetASFStringList(it->second));
    else if (it->first == "MusicBrainz/Album Artist Id")
      tag.SetMusicBrainzAlbumArtistID(SplitMBID(GetASFStringList(it->second)));
    else if (it->first == "MusicBrainz/Track Id")
      tag.SetMusicBrainzTrackID(it->second.front().toString().to8Bit(true));
    else if (it->first == "MusicBrainz/Album Status")
    {}
    else if (it->first == "MusicBrainz/Album Type")
    {}
    else if (it->first == "MusicIP/PUID")
    {}
    else if (it->first == "replaygain_track_gain")
      replayGainInfo.ParseGain(ReplayGain::TRACK, it->second.front().toString().toCString(true));
    else if (it->first == "replaygain_album_gain")
      replayGainInfo.ParseGain(ReplayGain::ALBUM, it->second.front().toString().toCString(true));
    else if (it->first == "replaygain_track_peak")
      replayGainInfo.ParsePeak(ReplayGain::TRACK, it->second.front().toString().toCString(true));
    else if (it->first == "replaygain_album_peak")
      replayGainInfo.ParsePeak(ReplayGain::ALBUM, it->second.front().toString().toCString(true));
    else if (it->first == "WM/Picture")
    { // picture
      ASF::Picture pic = it->second.front().toPicture();
      tag.SetCoverArtInfo(pic.picture().size(), pic.mimeType().toCString());
      if (art)
        art->set(reinterpret_cast<const uint8_t *>(pic.picture().data()), pic.picture().size(), pic.mimeType().toCString());
    }
    else if (g_advancedSettings.m_logLevel == LOG_LEVEL_MAX)
      CLog::Log(LOGDEBUG, "unrecognized ASF tag name: %s", it->first.toCString(true));
  }
  // artist may be specified in the ContentDescription block rather than using the 'Author' attribute.
  if (tag.GetArtist().empty())
    tag.SetArtist(asf->artist().toCString(true));

  if (asf->comment() != String::null)
    tag.SetComment(asf->comment().toCString(true));
  tag.SetReplayGain(replayGainInfo);
  tag.SetLoaded(true);
  return true;
//.........这里部分代码省略.........

void CMusicInfoTagLoaderMP4::ParseTag( unsigned int metaKey, const char* pMetaData, int metaSize, CMusicInfoTag& tag)
{
    switch ( metaKey )
    {
    case g_TitleAtomName:
    {
        // We need to zero-terminate the string, which needs workspace..
        auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
        memcpy( dataWorkspace.get(), pMetaData, metaSize );
        dataWorkspace[ metaSize ] = '\0';

        // we use utf8 internally
        tag.SetLoaded( true );
        tag.SetTitle( dataWorkspace.get() );

        break;
    }

    case g_ArtistAtomName:
    {
        // We need to zero-terminate the string, which needs workspace..
        auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
        memcpy( dataWorkspace.get(), pMetaData, metaSize );
        dataWorkspace[ metaSize ] = '\0';

        tag.SetArtist( dataWorkspace.get() );

        break;
    }

    case g_AlbumAtomName:
    {
        // We need to zero-terminate the string, which needs workspace..
        auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
        memcpy( dataWorkspace.get(), pMetaData, metaSize );
        dataWorkspace[ metaSize ] = '\0';

        tag.SetAlbum( dataWorkspace.get() );

        break;
    }

    case g_AlbumArtistAtomName:
    {
        // We need to zero-terminate the string, which needs workspace..
        auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
        memcpy( dataWorkspace.get(), pMetaData, metaSize );
        dataWorkspace[ metaSize ] = '\0';

        tag.SetAlbumArtist( dataWorkspace.get() );

        break;
    }
    case g_DayAtomName:
    {
        // We need to zero-terminate the string, which needs workspace..
        auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
        memcpy( dataWorkspace.get(), pMetaData, metaSize );
        dataWorkspace[ metaSize ] = '\0';

        SYSTEMTIME dateTime;
        dateTime.wYear = atoi( dataWorkspace.get() );
        tag.SetReleaseDate( dateTime );

        break;
    }

    case g_GenreAtomName:
    {
        // When a genre number is specified, we need to translate to a string for display..
        // Note that AAC/iTunes genre numbers are the same as ID3 numbers, but are offset by 1.
        const char* pGenre = ID3_V1GENRE2DESCRIPTION( (unsigned char)pMetaData[ 1 ] - 1 );
        if ( pGenre )
        {
            tag.SetGenre( pGenre );
        }

        break;
    }
    case g_CompilationAtomName:
    {
        if (metaSize == 1)
            m_isCompilation = *pMetaData == 1;
        break;
    }
    case g_CommentAtomName:
    {
        // We need to zero-terminate the string, which needs workspace..
        auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
        memcpy( dataWorkspace.get(), pMetaData, metaSize );
        dataWorkspace[ metaSize ] = '\0';

        tag.SetComment( dataWorkspace.get() );
        break;
    }
    case g_LyricsAtomName:
    {
        // We need to zero-terminate the string, which needs workspace..
        auto_aptr<char> dataWorkspace( new char[ metaSize + 1 ] );
        memcpy( dataWorkspace.get(), pMetaData, metaSize );
//.........这里部分代码省略.........