C++ CMusicInfoTag::SetGenre方法代码示例

void CTagLoaderTagLib::SetGenre(CMusicInfoTag &tag, const vector<string> &values)
{
  if (values.size() == 1)
    tag.SetGenre(values[0]);
  else
    tag.SetGenre(values);
}

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 CTagLoaderTagLib::ParseTag(ID3v1::Tag *id3v1, EmbeddedArt *art, CMusicInfoTag& tag)
{
  if (!id3v1) return false;
  tag.SetTitle(id3v1->title().to8Bit(true));
  tag.SetArtist(id3v1->artist().to8Bit(true));
  tag.SetAlbum(id3v1->album().to8Bit(true));
  tag.SetComment(id3v1->comment().to8Bit(true));
  tag.SetGenre(id3v1->genre().to8Bit(true));
  tag.SetYear(id3v1->year());
  tag.SetTrackNumber(id3v1->track());
  return true;
}

void CTagLoaderTagLib::SetGenre(CMusicInfoTag &tag, const std::vector<std::string> &values)
{
  /*
   TagLib doesn't resolve ID3v1 genre numbers in the case were only
   a number is specified, thus this workaround.
   */
  std::vector<std::string> genres;
  for (std::vector<std::string>::const_iterator i = values.begin(); i != values.end(); ++i)
  {
    std::string genre = *i;
    if (StringUtils::IsNaturalNumber(genre))
    {
      int number = strtol(i->c_str(), NULL, 10);
      if (number >= 0 && number < 256)
        genre = ID3v1::genre(number).to8Bit(true);
    }
    genres.push_back(genre);
  }
  if (genres.size() == 1)
    tag.SetGenre(genres[0]);
  else
    tag.SetGenre(genres);
}

bool CEncoderLame::Close()
{
  // may return one more mp3 frames
  int iBytes = m_dll.lame_encode_flush(m_pGlobalFlags, m_buffer, sizeof(m_buffer));

  if (iBytes < 0)
  {
    CLog::Log(LOGERROR, "Internal Lame error: %i", iBytes);
    return false;
  }

  WriteStream(m_buffer, iBytes);
  FlushStream();
  FileClose();

  // open again, but now the old way, lame only accepts FILE pointers
  FILE* file = fopen_utf8(m_strFile.c_str(), "rb+");
  if (!file)
  {
    CLog::Log(LOGERROR, "Error: Cannot open file for writing tags: %s", m_strFile.c_str());
    return false;
  }

  m_dll.lame_mp3_tags_fid(m_pGlobalFlags, file); /* add VBR tags to mp3 file */
  fclose(file);

  m_dll.lame_close(m_pGlobalFlags);

  // unload the lame dll
  m_dll.Unload();

  // Store a id3 tag in the ripped file
  CID3Tag id3tag;
  CMusicInfoTag tag;
  tag.SetAlbum(m_strAlbum);
  tag.SetAlbumArtist(m_strAlbumArtist);
  tag.SetArtist(m_strArtist);
  tag.SetGenre(m_strGenre);
  tag.SetTitle(m_strTitle);
  tag.SetTrackNumber(atoi(m_strTrack.c_str()));
  SYSTEMTIME time;
  time.wYear=atoi(m_strYear.c_str());
  tag.SetReleaseDate(time);
  id3tag.SetMusicInfoTag(tag);
  id3tag.Write(m_strFile);

  return true;
}

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;
}

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 CMusicInfoTagLoaderApe::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  try
  {
    // retrieve the APE Tag info from strFileName
    // and put it in tag
    tag.SetURL(strFileName);
    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());
      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 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;
}

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.........

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.........

void CMusicInfoTagLoaderWMA::SetTagValueString(const CStdString& strFrameName, const CStdString& strValue, CMusicInfoTag& tag)
{
  if (strFrameName == "WM/AlbumTitle")
  {
    tag.SetAlbum(strValue);
  }
  else if (strFrameName == "WM/AlbumArtist")
  {
    if (tag.GetAlbumArtist().IsEmpty()) tag.SetAlbumArtist(strValue);
  }
  else if (strFrameName == "Author")
  {
    // Multiple artists are stored in multiple "Author" tags we have get them
    // separatly and merge them to our system
    if (tag.GetArtist().IsEmpty())
      tag.SetArtist(strValue);
    else
      tag.SetArtist(tag.GetArtist() + g_advancedSettings.m_musicItemSeparator + strValue);
  }
  else if (strFrameName == "WM/TrackNumber")
  {
    if (tag.GetTrackNumber() <= 0) tag.SetTrackNumber(atoi(strValue.c_str()));
  }
  else if (strFrameName == "WM/PartOfSet")
  {
    tag.SetPartOfSet(atoi(strValue.c_str()));
  }
  //else if (strFrameName=="WM/Track") // Old Tracknumber, should not be used anymore
  else if (strFrameName == "WM/Year")
  {
    SYSTEMTIME dateTime;
    dateTime.wYear = atoi(strValue.c_str());
    tag.SetReleaseDate(dateTime);
  }
  else if (strFrameName == "WM/Genre")
  {
    // Multiple genres are stared in multiple "WM/Genre" tags we have to get them
    // separatly and merge them to our system
    if (tag.GetGenre().IsEmpty())
      tag.SetGenre(strValue);
    else
      tag.SetGenre(tag.GetGenre() + g_advancedSettings.m_musicItemSeparator + strValue);
  }
  else if (strFrameName == "WM/Lyrics")
  {
    tag.SetLyrics(strValue);
  }
  //else if (strFrameName=="WM/DRM")
  //{
  // // File is DRM protected
  // pwszValue;
  //}
  //else if (strFrameName=="WM/Codec")
  //{
  // pwszValue;
  //}
  //else if (strFrameName=="WM/BeatsPerMinute")
  //{
  // pwszValue;
  //}
  //else if (strFrameName=="WM/Mood")
  //{
  // pwszValue;
  //}
  //else if (strFrameName=="WM/RadioStationName")
  //{
  // pwszValue;
  //}
  //else if (strFrameName=="WM/RadioStationOwner")
  //{
  // pwszValue;
  //}
}

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;
}

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.........