C++ CMusicThumbLoader::LoadItem方法代码示例

void CGUIDialogMusicInfo::SetAlbum(const CAlbum& album, const std::string &path)
{
  m_album = album;
  SetSongs(m_album.songs);
  *m_albumItem = CFileItem(path, true);
  m_albumItem->GetMusicInfoTag()->SetAlbum(m_album);
  CMusicDatabase::SetPropertiesFromAlbum(*m_albumItem,m_album);

  CMusicThumbLoader loader;
  loader.LoadItem(m_albumItem.get());

  // set the artist thumb, fanart
  if (!m_album.GetAlbumArtist().empty())
  {
    CMusicDatabase db;
    db.Open();
    std::map<std::string, std::string> artwork;
    if (db.GetArtistArtForItem(m_album.idAlbum, MediaTypeAlbum, artwork))
    {
      if (artwork.find("thumb") != artwork.end())
        m_albumItem->SetProperty("artistthumb", artwork["thumb"]);
      if (artwork.find("fanart") != artwork.end())
        m_albumItem->SetArt("fanart",artwork["fanart"]);
    }
  }
  m_startUserrating = m_album.iUserrating;
  m_hasUpdatedThumb = false;
  m_bArtistInfo = false;
  m_needsUpdate = false;
  m_albumSongs->SetContent("albums");
}

void CGUIDialogMusicInfo::SetDiscography(CMusicDatabase& database) const
{
  m_albumSongs->Clear();
  database.GetArtistDiscography(m_artist.idArtist, *m_albumSongs);
  CMusicThumbLoader loader;
  for (auto item : *m_albumSongs)
  {
    // Load all the album art and related artist(s) art (could be other collaborating artists)
    loader.LoadItem(item.get());
    if (item->GetMusicInfoTag()->GetDatabaseId() == -1)
      item->SetArt("thumb", "DefaultAlbumCover.png");
  }
}

void CGUIDialogMusicInfo::SetSongs(const VECSONGS &songs) const
{
  m_albumSongs->Clear();
  CMusicThumbLoader loader;
  for (unsigned int i = 0; i < songs.size(); i++)
  {
    const CSong& song = songs[i];
    CFileItemPtr item(new CFileItem(song));
    // Load the song art and related artist(s) (that may be different from album artist) art
    loader.LoadItem(item.get());
    m_albumSongs->Add(item);
  }
}

bool CMusicGUIInfo::GetPlaylistInfo(std::string& value, const CGUIInfo &info) const
{
  PLAYLIST::CPlayList& playlist = CServiceBroker::GetPlaylistPlayer().GetPlaylist(PLAYLIST_MUSIC);
  if (playlist.size() < 1)
    return false;

  int index = info.GetData2();
  if (info.GetData1() == 1)
  { // relative index (requires current playlist is PLAYLIST_MUSIC)
    if (CServiceBroker::GetPlaylistPlayer().GetCurrentPlaylist() != PLAYLIST_MUSIC)
      return false;

    index = CServiceBroker::GetPlaylistPlayer().GetNextSong(index);
  }

  if (index < 0 || index >= playlist.size())
    return false;

  const CFileItemPtr playlistItem = playlist[index];
  if (!playlistItem->GetMusicInfoTag()->Loaded())
  {
    playlistItem->LoadMusicTag();
    playlistItem->GetMusicInfoTag()->SetLoaded();
  }
  // try to set a thumbnail
  if (!playlistItem->HasArt("thumb"))
  {
    CMusicThumbLoader loader;
    loader.LoadItem(playlistItem.get());
    // still no thumb? then just the set the default cover
    if (!playlistItem->HasArt("thumb"))
      playlistItem->SetArt("thumb", "DefaultAlbumCover.png");
  }
  if (info.m_info == MUSICPLAYER_PLAYLISTPOS)
  {
    value = StringUtils::Format("%i", index + 1);
    return true;
  }
  else if (info.m_info == MUSICPLAYER_COVER)
  {
    value = playlistItem->GetArt("thumb");
    return true;
  }

  return GetLabel(value, playlistItem.get(), 0, CGUIInfo(info.m_info), nullptr);
}

void CGUIDialogMusicInfo::SetArtist(const CArtist& artist, const std::string &path)
{
  m_artist = artist;
  SetDiscography();
  *m_albumItem = CFileItem(path, true);
  m_albumItem->SetLabel(artist.strArtist);
  m_albumItem->GetMusicInfoTag()->SetAlbumArtist(m_artist.strArtist);
  m_albumItem->GetMusicInfoTag()->SetArtist(m_artist.strArtist);
  m_albumItem->GetMusicInfoTag()->SetLoaded(true);
  m_albumItem->GetMusicInfoTag()->SetGenre(m_artist.genre);
  m_albumItem->GetMusicInfoTag()->SetDatabaseId(m_artist.idArtist, MediaTypeArtist);
  CMusicDatabase::SetPropertiesFromArtist(*m_albumItem,m_artist);

  CMusicThumbLoader loader;
  loader.LoadItem(m_albumItem.get());

  m_hasUpdatedThumb = false;
  m_bArtistInfo = true;
  m_albumSongs->SetContent("artists");
}

bool CMusicGUIInfo::InitCurrentItem(CFileItem *item)
{
  if (item && (item->IsAudio() || (item->IsInternetStream() && g_application.GetAppPlayer().IsPlayingAudio())))
  {
    CLog::Log(LOGDEBUG,"CMusicGUIInfo::InitCurrentItem(%s)", item->GetPath().c_str());

    item->LoadMusicTag();

    CMusicInfoTag* tag = item->GetMusicInfoTag(); // creates item if not yet set, so no nullptr checks needed
    if (tag->GetTitle().empty())
    {
      // No title in tag, show filename only
      tag->SetTitle(CUtil::GetTitleFromPath(item->GetPath()));
    }
    tag->SetLoaded(true);

    // find a thumb for this file.
    if (item->IsInternetStream())
    {
      if (!g_application.m_strPlayListFile.empty())
      {
        CLog::Log(LOGDEBUG,"Streaming media detected... using %s to find a thumb", g_application.m_strPlayListFile.c_str());
        CFileItem streamingItem(g_application.m_strPlayListFile,false);

        CMusicThumbLoader loader;
        loader.FillThumb(streamingItem);
        if (streamingItem.HasArt("thumb"))
          item->SetArt("thumb", streamingItem.GetArt("thumb"));
      }
    }
    else
    {
      CMusicThumbLoader loader;
      loader.LoadItem(item);
    }

    CMusicInfoLoader::LoadAdditionalTagInfo(item);
    return true;
  }
  return false;
}

void CGUIDialogMusicInfo::SetAlbum(const CAlbum& album, const CStdString &path)
{
  m_album = album;
  SetSongs(m_album.songs);
  *m_albumItem = CFileItem(path, true);
  m_albumItem->GetMusicInfoTag()->SetAlbum(m_album.strAlbum);
  m_albumItem->GetMusicInfoTag()->SetAlbumArtist(StringUtils::Join(m_album.artist, g_advancedSettings.m_musicItemSeparator));
  m_albumItem->GetMusicInfoTag()->SetArtist(m_album.artist);
  m_albumItem->GetMusicInfoTag()->SetYear(m_album.iYear);
  m_albumItem->GetMusicInfoTag()->SetLoaded(true);
  m_albumItem->GetMusicInfoTag()->SetRating('0' + m_album.iRating);
  m_albumItem->GetMusicInfoTag()->SetGenre(m_album.genre);
  m_albumItem->GetMusicInfoTag()->SetDatabaseId(m_album.idAlbum, "album");
  CMusicDatabase::SetPropertiesFromAlbum(*m_albumItem,m_album);

  CMusicThumbLoader loader;
  loader.LoadItem(m_albumItem.get());

  // set the artist thumb, fanart
  if (!m_album.artist.empty())
  {
    CMusicDatabase db;
    db.Open();
    map<string, string> artwork;
    if (db.GetArtistArtForItem(m_album.idAlbum, "album", artwork))
    {
      if (artwork.find("thumb") != artwork.end())
        m_albumItem->SetProperty("artistthumb", artwork["thumb"]);
      if (artwork.find("fanart") != artwork.end())
        m_albumItem->SetProperty("fanart_image",artwork["fanart"]);
    }
  }
  m_hasUpdatedThumb = false;
  m_bArtistInfo = false;
  m_albumSongs->SetContent("albums");
}

bool CRecentlyAddedJob::UpdateMusic()
{
  CGUIWindow* home = g_windowManager.GetWindow(WINDOW_HOME);
  
  if ( home == NULL )
    return false;
  
  CLog::Log(LOGDEBUG, "CRecentlyAddedJob::UpdateMusic() - Running RecentlyAdded home screen update");
  
  int            i = 0;
  CFileItemList  musicItems;
  CMusicDatabase musicdatabase;
  CMusicThumbLoader loader;
  loader.OnLoaderStart();
  
  musicdatabase.Open();
  
  if (musicdatabase.GetRecentlyAddedAlbumSongs(g_advancedSettings.m_recentlyAddedMusicPath, musicItems, NUM_ITEMS))
  {
    long idAlbum = -1;
    std::string strAlbumThumb;
    std::string strAlbumFanart;
    for (; i < musicItems.Size(); ++i)
    {
      CFileItemPtr item = musicItems.Get(i);
      std::string   value = StringUtils::Format("%i", i + 1);
      
      std::string   strRating;
      std::string   strAlbum  = item->GetMusicInfoTag()->GetAlbum();
      std::string   strArtist = item->GetMusicInfoTag()->GetArtistString();

      if (idAlbum != item->GetMusicInfoTag()->GetAlbumId())
      {
        strAlbumThumb.clear();
        strAlbumFanart.clear();
        idAlbum = item->GetMusicInfoTag()->GetAlbumId();

        if (loader.LoadItem(item.get()))
        {
          strAlbumThumb = item->GetArt("thumb");
          strAlbumFanart = item->GetArt("fanart");
        }
      }

      strRating = StringUtils::Format("%c", item->GetMusicInfoTag()->GetUserrating());
      
      home->SetProperty("LatestSong." + value + ".Title"   , item->GetMusicInfoTag()->GetTitle());
      home->SetProperty("LatestSong." + value + ".Year"    , item->GetMusicInfoTag()->GetYear());
      home->SetProperty("LatestSong." + value + ".Artist"  , strArtist);      
      home->SetProperty("LatestSong." + value + ".Album"   , strAlbum);
      home->SetProperty("LatestSong." + value + ".Rating"  , strRating);
      home->SetProperty("LatestSong." + value + ".Path"    , item->GetMusicInfoTag()->GetURL());
      home->SetProperty("LatestSong." + value + ".Thumb"   , strAlbumThumb);
      home->SetProperty("LatestSong." + value + ".Fanart"  , strAlbumFanart);
    }
  }
  for (; i < NUM_ITEMS; ++i)
  {
    std::string value = StringUtils::Format("%i", i + 1);
    home->SetProperty("LatestSong." + value + ".Title"   , "");
    home->SetProperty("LatestSong." + value + ".Year"    , "");
    home->SetProperty("LatestSong." + value + ".Artist"  , "");      
    home->SetProperty("LatestSong." + value + ".Album"   , "");
    home->SetProperty("LatestSong." + value + ".Rating"  , "");
    home->SetProperty("LatestSong." + value + ".Path"    , "");
    home->SetProperty("LatestSong." + value + ".Thumb"   , "");
    home->SetProperty("LatestSong." + value + ".Fanart"  , "");
  }
  
  i = 0;
  VECALBUMS albums;
  
  if (musicdatabase.GetRecentlyAddedAlbums(albums, NUM_ITEMS))
  { 
    for (; i < (int)albums.size(); ++i)
    {
      CAlbum&    album=albums[i];
      std::string value = StringUtils::Format("%i", i + 1);
      std::string strThumb = musicdatabase.GetArtForItem(album.idAlbum, MediaTypeAlbum, "thumb");
      std::string strFanart = musicdatabase.GetArtistArtForItem(album.idAlbum, MediaTypeAlbum, "fanart");
      std::string strDBpath = StringUtils::Format("musicdb://albums/%li/", album.idAlbum);
      
      home->SetProperty("LatestAlbum." + value + ".Title"   , album.strAlbum);
      home->SetProperty("LatestAlbum." + value + ".Year"    , album.iYear);
      home->SetProperty("LatestAlbum." + value + ".Artist"  , album.GetAlbumArtistString());
      home->SetProperty("LatestAlbum." + value + ".Rating"  , album.iRating);
      home->SetProperty("LatestAlbum." + value + ".Path"    , strDBpath);
      home->SetProperty("LatestAlbum." + value + ".Thumb"   , strThumb);
      home->SetProperty("LatestAlbum." + value + ".Fanart"  , strFanart);
    }
  }
  for (; i < NUM_ITEMS; ++i)
  {
    std::string value = StringUtils::Format("%i", i + 1);
    home->SetProperty("LatestAlbum." + value + ".Title"   , "");
    home->SetProperty("LatestAlbum." + value + ".Year"    , "");
    home->SetProperty("LatestAlbum." + value + ".Artist"  , "");      
    home->SetProperty("LatestAlbum." + value + ".Rating"  , "");
    home->SetProperty("LatestAlbum." + value + ".Path"    , "");
    home->SetProperty("LatestAlbum." + value + ".Thumb"   , "");
//.........这里部分代码省略.........

bool CRecentlyAddedJob::UpdateMusic()
{
  CGUIWindow* home = g_windowManager.GetWindow(WINDOW_HOME);
  
  if ( home == NULL )
    return false;
  
  CLog::Log(LOGDEBUG, "CRecentlyAddedJob::UpdateMusic() - Running RecentlyAdded home screen update");
  
  int            i = 0;
  CFileItemList  musicItems;
  CMusicDatabase musicdatabase;
  CMusicThumbLoader loader;
  loader.Initialize();
  
  musicdatabase.Open();
  
  if (musicdatabase.GetRecentlyAddedAlbumSongs("musicdb://4/", musicItems, NUM_ITEMS))
  {
    long idAlbum = -1;
    CStdString strAlbumThumb;
    CStdString strAlbumFanart;
    for (; i < musicItems.Size(); ++i)
    {
      CFileItemPtr item = musicItems.Get(i);
      CStdString   value;
      value.Format("%i", i + 1);
      
      CStdString   strRating;
      CStdString   strAlbum  = item->GetMusicInfoTag()->GetAlbum();
      CStdString   strArtist = StringUtils::Join(item->GetMusicInfoTag()->GetArtist(), g_advancedSettings.m_musicItemSeparator);

      if (idAlbum != item->GetMusicInfoTag()->GetAlbumId())
      {
        strAlbumThumb.clear();
        strAlbumFanart.clear();
        idAlbum = item->GetMusicInfoTag()->GetAlbumId();

        if (loader.LoadItem(item.get()))
        {
          strAlbumThumb = item->GetArt("thumb");
          strAlbumFanart = item->GetArt("fanart");
        }
      }

      strRating.Format("%c", item->GetMusicInfoTag()->GetRating());
      
      home->SetProperty("LatestSong." + value + ".Title"   , item->GetMusicInfoTag()->GetTitle());
      home->SetProperty("LatestSong." + value + ".Year"    , item->GetMusicInfoTag()->GetYear());
      home->SetProperty("LatestSong." + value + ".Artist"  , strArtist);      
      home->SetProperty("LatestSong." + value + ".Album"   , strAlbum);
      home->SetProperty("LatestSong." + value + ".Rating"  , strRating);
      home->SetProperty("LatestSong." + value + ".Path"    , item->GetMusicInfoTag()->GetURL());
      home->SetProperty("LatestSong." + value + ".Thumb"   , strAlbumThumb);
      home->SetProperty("LatestSong." + value + ".Fanart"  , strAlbumFanart);
    }
  }
  for (; i < NUM_ITEMS; ++i)
  {
    CStdString value;
    value.Format("%i", i + 1);
    home->SetProperty("LatestSong." + value + ".Title"   , "");
    home->SetProperty("LatestSong." + value + ".Year"    , "");
    home->SetProperty("LatestSong." + value + ".Artist"  , "");      
    home->SetProperty("LatestSong." + value + ".Album"   , "");
    home->SetProperty("LatestSong." + value + ".Rating"  , "");
    home->SetProperty("LatestSong." + value + ".Path"    , "");
    home->SetProperty("LatestSong." + value + ".Thumb"   , "");
    home->SetProperty("LatestSong." + value + ".Fanart"  , "");
  }
  
  i = 0;
  VECALBUMS albums;
  
  if (musicdatabase.GetRecentlyAddedAlbums(albums, NUM_ITEMS))
  { 
    for (; i < (int)albums.size(); ++i)
    {
      CStdString value;
      CStdString strPath;
      CStdString strThumb;
      CStdString strFanart;
      CStdString strDBpath;
      CStdString strSQLAlbum;
      CAlbum&    album=albums[i];     

      value.Format("%i", i + 1);
      strThumb = musicdatabase.GetArtForItem(album.idAlbum, "album", "thumb");
      strFanart = musicdatabase.GetArtistArtForItem(album.idAlbum, "album", "fanart");
      strDBpath.Format("musicdb://3/%i/", album.idAlbum);
      strSQLAlbum.Format("idAlbum=%i", album.idAlbum);
      
      CStdString strArtist = musicdatabase.GetSingleValue("albumview", "strArtists", strSQLAlbum);
      
      home->SetProperty("LatestAlbum." + value + ".Title"   , album.strAlbum);
      home->SetProperty("LatestAlbum." + value + ".Year"    , album.iYear);
      home->SetProperty("LatestAlbum." + value + ".Artist"  , strArtist);      
      home->SetProperty("LatestAlbum." + value + ".Rating"  , album.iRating);
      home->SetProperty("LatestAlbum." + value + ".Path"    , strDBpath);
      home->SetProperty("LatestAlbum." + value + ".Thumb"   , strThumb);
//.........这里部分代码省略.........

  // Fetch full album/artist information including art types list
  bool DoWork() override
  {
    CGUIDialogMusicInfo *dialog = CServiceBroker::GetGUI()->GetWindowManager().
	  GetWindow<CGUIDialogMusicInfo>(WINDOW_DIALOG_MUSIC_INFO);
    if (!dialog)
      return false;
    if (dialog->IsCancelled())
      return false;
    CFileItemPtr m_item = dialog->GetCurrentListItem();
    CMusicInfoTag& tag = *m_item->GetMusicInfoTag();

    CMusicDatabase database;
    database.Open();
    // May only have partially populated item, so fetch all artist or album data from db
    if (tag.GetType() == MediaTypeArtist)
    {
      int artistId = tag.GetDatabaseId();
      CArtist artist;
      if (!database.GetArtist(artistId, artist))
        return false;
      tag.SetArtist(artist);
      CMusicDatabase::SetPropertiesFromArtist(*m_item, artist);
      m_item->SetLabel(artist.strArtist);

      // Get artist folder where local art could be found
      // Get the *name* of the folder for this artist within the Artist Info folder (may not exist).
      // If there is no Artist Info folder specified in settings this will be blank
      database.GetArtistPath(artist, artist.strPath);
      // Get the old location for those album artists with a unique folder (local to music files)
      // If there is no folder for the artist and *only* the artist this will be blank
      std::string oldartistpath;
      bool oldpathfound = database.GetOldArtistPath(artist.idArtist, oldartistpath);

      // Set up path for *item folder when browsing for art, by default this is
      // in the Artist Info Folder (when it exists), but could end up blank
      std::string artistItemPath = artist.strPath;
      if (!CDirectory::Exists(artistItemPath))
      {
        // Fall back local to music files (historic location for those album artists with a unique folder)
        // although there may not be such a unique folder for the arist
        if (oldpathfound)
          artistItemPath = oldartistpath;
        else
          // Fall back further to browse the Artist Info Folder itself
          artistItemPath = CServiceBroker::GetSettings().GetString(CSettings::SETTING_MUSICLIBRARY_ARTISTSFOLDER);
      }
      m_item->SetPath(artistItemPath);

      // Store info as CArtist as well as item properties
      dialog->SetArtist(artist, oldartistpath);

      // Fetch artist discography as scraped from online sources, but always
      // include all the albums in the music library
      dialog->SetDiscography(database);
    }
    else
    {
      // tag.GetType == MediaTypeAlbum
      int albumId = tag.GetDatabaseId();
      CAlbum album;
      if (!database.GetAlbum(albumId, album))
        return false;
      tag.SetAlbum(album);
      CMusicDatabase::SetPropertiesFromAlbum(*m_item, album);

      // Get album folder where local art could be found
      database.GetAlbumPath(albumId, album.strPath);
      // Set up path for *item folder when browsing for art
      m_item->SetPath(album.strPath);
      // Store info as CAlbum as well as item properties
      dialog->SetAlbum(album, album.strPath);

      // Set the list of songs and related art
      dialog->SetSongs(album.songs);
    }
    database.Close();

    /*
      Load current art (to CGUIListItem.m_art)
      For albums this includes related artist(s) art and artist fanart set as
      fallback album fanart.
      Clear item art first to ensure fresh not cached/partial art
    */
    m_item->ClearArt();
    CMusicThumbLoader loader;
    loader.LoadItem(m_item.get());

    // Fill vector of possible art types with current art, when it exists,
    // for display on the art type selection dialog
    CFileItemList artlist;
    MUSIC_UTILS::FillArtTypesList(*m_item, artlist);
    dialog->SetArtTypeList(artlist);
    if (dialog->IsCancelled())
      return false;

    // Tell waiting MusicDialog that job is complete
    dialog->FetchComplete();

    return true;
//.........这里部分代码省略.........