C++ CMusicInfoTag::SetURL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 CMusicInfoTagLoaderNSF::Load(const CStdString& strFileName, CMusicInfoTag& tag)
{
  tag.SetLoaded(false);

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

  m_nsf = m_dll.LoadNSF(strFileName.c_str());
  if (!m_nsf)
  {
    CLog::Log(LOGERROR,"MusicInfoTagLoaderNSF: failed to open NSF %s",strFileName.c_str());
    return false;
  }

  tag.SetURL(strFileName);

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

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

  m_dll.FreeNSF(m_nsf);
  m_nsf = 0;

  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;
}

bool CMusicInfoTagLoaderMP4::Load(const CStdString& strFileName, CMusicInfoTag& tag, EmbeddedArt *art)
{
  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_isCompilation = false;
    ParseAtom( 0, m_file.GetLength(), tag, art );

    if (m_isCompilation)
    { // iTunes compilation flag is set - this could be a various artists file
      if (tag.GetAlbumArtist().empty())
        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;
}

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;
}

// There is no reliable tag information in MIDI files. There is a 'title' field (@T), but it looks
// like everyone puts there song title, artist name, the name of the person who created the lyrics and
// greetings to their friends and family. Therefore we return the song title as file name, and the
// song artist as parent directory.
// A good intention of creating a pattern-based artist/song recognition engine failed greatly. Simple formats
// like %A-%T fail greatly with artists like A-HA and songs like "Ob-la-Di ob-la-Da.mid". So if anyone has
// a good idea which would include cases from above, I'd be happy to hear about it.
bool CMusicInfoTagLoaderMidi::Load(const CStdString & strFileName, CMusicInfoTag & tag, EmbeddedArt *art)
{
  tag.SetURL(strFileName);

  CStdString path, title;
  URIUtils::Split( strFileName, path, title);
  URIUtils::RemoveExtension( title );

  tag.SetTitle( title );

  URIUtils::RemoveSlashAtEnd(path );

  if ( !path.IsEmpty() )
  {
    CStdString artist = URIUtils::GetFileName( path );
    if ( !artist.IsEmpty() )
      tag.SetArtist( artist );
  }

  tag.SetLoaded(true);
  return true;
}

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

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

  m_dll.Init();

  m_gym = m_dll.LoadGYM(strFileName.c_str());
  if (!m_gym)
  {
    CLog::Log(LOGERROR,"MusicInfoTagLoaderGYM: failed to open GYM %s",strFileName.c_str());
    return false;
  }

  tag.SetURL(strFileName);

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

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

  m_dll.FreeGYM(m_gym);
  m_gym = 0;

  return tag.Loaded();
}

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 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;
}

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;
}

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;
}