C++ CMusicInfoTag::SetCoverArtInfo方法代码示例

bool CTagLoaderTagLib::ParseMP4Tag(MP4::Tag *mp4, EmbeddedArt *art, CMusicInfoTag& tag)
{
  if (!mp4)
    return false;

  MP4::ItemListMap& itemListMap = mp4->itemListMap();
  for (MP4::ItemListMap::ConstIterator it = itemListMap.begin(); it != itemListMap.end(); ++it)
  {
    if (it->first == "\251nam")      tag.SetTitle(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "\251ART") SetArtist(tag, StringListToVectorString(it->second.toStringList()));
    else if (it->first == "\251alb") tag.SetAlbum(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "aART")    SetAlbumArtist(tag, StringListToVectorString(it->second.toStringList()));
    else if (it->first == "\251gen") SetGenre(tag, StringListToVectorString(it->second.toStringList()));
    else if (it->first == "\251cmt") tag.SetComment(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "cpil")    tag.SetCompilation(it->second.toBool());
    else if (it->first == "trkn")    tag.SetTrackNumber(it->second.toIntPair().first);
    else if (it->first == "disk")    tag.SetPartOfSet(it->second.toIntPair().first);
    else if (it->first == "\251day") tag.SetYear(it->second.toStringList().front().toInt());
    else if (it->first == "----:com.apple.iTunes:MusicBrainz Artist Id")
      tag.SetMusicBrainzArtistID(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "----:com.apple.iTunes:MusicBrainz Album Artist Id")
      tag.SetMusicBrainzAlbumArtistID(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "----:com.apple.iTunes:MusicBrainz Album Id")
      tag.SetMusicBrainzAlbumID(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "----:com.apple.iTunes:MusicBrainz Track Id")
      tag.SetMusicBrainzTrackID(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "covr")
    {
      MP4::CoverArtList coverArtList = it->second.toCoverArtList();
      for (MP4::CoverArtList::ConstIterator pt = coverArtList.begin(); pt != coverArtList.end(); ++pt)
      {
        string mime;
        switch (pt->format())
        {
          case MP4::CoverArt::PNG:
            mime = "image/png";
            break;
          case MP4::CoverArt::JPEG:
            mime = "image/jpeg";
            break;
          default:
            break;
        }
        if (mime.empty())
          continue;
        tag.SetCoverArtInfo(pt->data().size(), mime);
        if (art)
          art->set((const uint8_t *)pt->data().data(), pt->data().size(), mime);
        break; // one is enough
      }
    }
  }

  return true;
}

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

  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.SetPartOfSet(atoi(it->second.front().toString().toCString(true)));
    else if (it->first == "WM/Genre")                    SetGenre(tag, GetASFStringList(it->second));
    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(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(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")       tag.SetReplayGainTrackGain((int)(atof(it->second.front().toString().toCString(true)) * 100 + 0.5));
    else if (it->first == "replaygain_album_gain")       tag.SetReplayGainAlbumGain((int)(atof(it->second.front().toString().toCString(true)) * 100 + 0.5));
    else if (it->first == "replaygain_track_peak")       tag.SetReplayGainTrackPeak((float)atof(it->second.front().toString().toCString(true)));
    else if (it->first == "replaygain_album_peak")       tag.SetReplayGainAlbumPeak((float)atof(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((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));
  tag.SetLoaded(true);
  return true;
}

void CTagLoaderTagLib::SetFlacArt(FLAC::File *flacFile, EmbeddedArt *art, CMusicInfoTag &tag)
{
  FLAC::Picture *cover[2] = {};
  List<FLAC::Picture *> pictures = flacFile->pictureList();
  for (List<FLAC::Picture *>::ConstIterator i = pictures.begin(); i != pictures.end(); ++i)
  {
    FLAC::Picture *picture = *i;
    if (picture->type() == FLAC::Picture::FrontCover)
      cover[0] = picture;
    else // anything else is taken as second priority
      cover[1] = picture;
  }
  for (unsigned int i = 0; i < 2; i++)
  {
    if (cover[i])
    {
      tag.SetCoverArtInfo(cover[i]->data().size(), cover[i]->mimeType().to8Bit(true));
      if (art)
        art->set((const uint8_t*)cover[i]->data().data(), cover[i]->data().size(), cover[i]->mimeType().to8Bit(true));
      return; // one is enough
    }
  }
}

//.........这里部分代码省略.........
    else if (it->first == "DISCNUMBER")
      tag.SetDiscNumber(it->second.front().toInt());
    else if (it->first == "YEAR")
      tag.SetYear(it->second.front().toInt());
    else if (it->first == "DATE")
      tag.SetYear(it->second.front().toInt());
    else if (it->first == "GENRE")
      SetGenre(tag, StringListToVectorString(it->second));
    else if (it->first == "COMMENT")
      tag.SetComment(it->second.front().to8Bit(true));
    else if (it->first == "CUESHEET")
      tag.SetCueSheet(it->second.front().to8Bit(true));
    else if (it->first == "ENCODEDBY")
    {}
    else if (it->first == "ENSEMBLE")
    {}
    else if (it->first == "COMPILATION")
      tag.SetCompilation(it->second.front().toInt() == 1);
    else if (it->first == "LYRICS")
      tag.SetLyrics(it->second.front().to8Bit(true));
    else if (it->first == "REPLAYGAIN_TRACK_GAIN")
      replayGainInfo.ParseGain(ReplayGain::TRACK, it->second.front().toCString(true));
    else if (it->first == "REPLAYGAIN_ALBUM_GAIN")
      replayGainInfo.ParseGain(ReplayGain::ALBUM, it->second.front().toCString(true));
    else if (it->first == "REPLAYGAIN_TRACK_PEAK")
      replayGainInfo.ParsePeak(ReplayGain::TRACK, it->second.front().toCString(true));
    else if (it->first == "REPLAYGAIN_ALBUM_PEAK")
      replayGainInfo.ParsePeak(ReplayGain::ALBUM, it->second.front().toCString(true));
    else if (it->first == "MUSICBRAINZ_ARTISTID")
      tag.SetMusicBrainzArtistID(SplitMBID(StringListToVectorString(it->second)));
    else if (it->first == "MUSICBRAINZ_ALBUMARTISTID")
      tag.SetMusicBrainzAlbumArtistID(SplitMBID(StringListToVectorString(it->second)));
    else if (it->first == "MUSICBRAINZ_ALBUMARTIST")
      SetAlbumArtist(tag, StringListToVectorString(it->second));
    else if (it->first == "MUSICBRAINZ_ALBUMID")
      tag.SetMusicBrainzAlbumID(it->second.front().to8Bit(true));
    else if (it->first == "MUSICBRAINZ_TRACKID")
      tag.SetMusicBrainzTrackID(it->second.front().to8Bit(true));
    else if (it->first == "RATING")
    {
      // Vorbis ratings are a mess because the standard forgot to mention anything about them.
      // If you want to see how emotive the issue is and the varying standards, check here:
      // http://forums.winamp.com/showthread.php?t=324512
      // The most common standard in that thread seems to be a 0-100 scale for 1-5 stars.
      // So, that's what we'll support for now.
      int iRating = it->second.front().toInt();
      if (iRating > 0 && iRating <= 100)
        tag.SetUserrating((iRating / 20) + '0');
    }
    else if (it->first == "METADATA_BLOCK_PICTURE")
    {
      const char* b64 = it->second.front().toCString();
      std::string decoded_block = Base64::Decode(b64, it->second.front().size());
      ByteVector bv(decoded_block.data(), decoded_block.size());
      TagLib::FLAC::Picture* pictureFrame = new TagLib::FLAC::Picture(bv);

      if      (pictureFrame->type() == FLAC::Picture::FrontCover) pictures[0].parse(bv);
      else if (pictureFrame->type() == FLAC::Picture::Other)      pictures[1].parse(bv);

      delete pictureFrame;
    }
    else if (it->first == "COVERART")
    {
      const char* b64 = it->second.front().toCString();
      std::string decoded_block = Base64::Decode(b64, it->second.front().size());
      ByteVector bv(decoded_block.data(), decoded_block.size());
      pictures[2].setData(bv);
      // Assume jpeg
      if (pictures[2].mimeType().isEmpty())
        pictures[2].setMimeType("image/jpeg");
    }
    else if (it->first == "COVERARTMIME")
    {
      pictures[2].setMimeType(it->second.front());
    }
    else if (g_advancedSettings.m_logLevel == LOG_LEVEL_MAX)
      CLog::Log(LOGDEBUG, "unrecognized XipComment name: %s", it->first.toCString(true));
  }

  // Process the extracted picture frames; 0 = CoverArt, 1 = Other, 2 = COVERART/COVERARTMIME
  for (int i = 0; i < 3; ++i)
    if (pictures[i].data().size())
    {
      std::string mime = pictures[i].mimeType().toCString();
      if (mime.compare(0, 6, "image/") != 0)
        continue;
      TagLib::uint size =            pictures[i].data().size();
      tag.SetCoverArtInfo(size, mime);
      if (art)
        art->set((const uint8_t*)pictures[i].data().data(), size, mime);

      break;
    }

  if (xiph->comment() != String::null)
    tag.SetComment(xiph->comment().toCString(true));

  tag.SetReplayGain(replayGainInfo);
  return true;
}

//.........这里部分代码省略.........
    {
      // 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 );
      dataWorkspace[ metaSize ] = '\0';

      tag.SetLyrics( dataWorkspace.get() );
      break;
    }
  case g_CustomGenreAtomName:
    {
      // 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.SetGenre( dataWorkspace.get() );

      break;
    }

  case g_TrackNumberAtomName:
    {
      tag.SetTrackNumber( (unsigned char)pMetaData[ 3 ] );

      break;
    }

  case g_DiscNumberAtomName:
    {
      tag.SetPartOfSet( (unsigned char)pMetaData[ 3 ] );

      break;
    }

  case g_CoverArtAtomName:
    {
      // This cover-art handling is pretty much what was in the old MP4 tag processing code..

      // note that according to http://atomicparsley.sourceforge.net/mpeg-4files.html the type
      // of image (PNG=14 or JPG=13) is contained in pMetadata[-5]
      std::string mimeType;
      if (pMetaData[-5] == 13)
        mimeType = "image/jpeg";
      else if (pMetaData[-5] == 14)
        mimeType = "image/png";
      else
        CLog::Log(LOGDEBUG, "Unknown art mimetype %d", pMetaData[-5]);

      tag.SetCoverArtInfo(metaSize, mimeType);
      if (art)
        art->set((const uint8_t*)pMetaData, metaSize, mimeType);
      break;
    }
  default:
    break;
  }
}

bool CTagLoaderTagLib::ParseTag(MP4::Tag *mp4, EmbeddedArt *art, CMusicInfoTag& tag)
{
  if (!mp4)
    return false;

  ReplayGain replayGainInfo;
  MP4::ItemListMap& itemListMap = mp4->itemListMap();
  for (MP4::ItemListMap::ConstIterator it = itemListMap.begin(); it != itemListMap.end(); ++it)
  {
    if (it->first == "\251nam")
      tag.SetTitle(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "\251ART")
      SetArtist(tag, StringListToVectorString(it->second.toStringList()));
    else if (it->first == "----:com.apple.iTunes:ARTISTS")
      SetArtistHints(tag, StringListToVectorString(it->second.toStringList()));
    else if (it->first == "\251alb")
      tag.SetAlbum(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "aART")
      SetAlbumArtist(tag, StringListToVectorString(it->second.toStringList()));
    else if (it->first == "----:com.apple.iTunes:ALBUMARTISTS")
      SetAlbumArtistHints(tag, StringListToVectorString(it->second.toStringList()));
    else if (it->first == "\251gen")
      SetGenre(tag, StringListToVectorString(it->second.toStringList()));
    else if (it->first == "----:com.apple.iTunes:MOOD")
      tag.SetMood(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "\251cmt")
      tag.SetComment(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "\251wrt")
      AddArtistRole(tag, "Composer", StringListToVectorString(it->second.toStringList()));
    else if (it->first == "----:com.apple.iTunes:CONDUCTOR")
      AddArtistRole(tag, "Conductor", StringListToVectorString(it->second.toStringList()));
    //No MP4 standard tag for "ensemble"
    else if (it->first == "----:com.apple.iTunes:LYRICIST")
      AddArtistRole(tag, "Lyricist", StringListToVectorString(it->second.toStringList()));
    else if (it->first == "----:com.apple.iTunes:REMIXER")
      AddArtistRole(tag, "Remixer", StringListToVectorString(it->second.toStringList()));
    else if (it->first == "----:com.apple.iTunes:ENGINEER")
      AddArtistRole(tag, "Engineer", StringListToVectorString(it->second.toStringList()));
    else if (it->first == "----:com.apple.iTunes:PRODUCER")
      AddArtistRole(tag, "Producer", StringListToVectorString(it->second.toStringList()));
    else if (it->first == "----:com.apple.iTunes:DJMIXER")
      AddArtistRole(tag, "DJMixer", StringListToVectorString(it->second.toStringList()));
    else if (it->first == "----:com.apple.iTunes:MIXER")
      AddArtistRole(tag, "Mixer", StringListToVectorString(it->second.toStringList()));
    //No MP4 standard tag for musician credits
    else if (it->first == "----:com.apple.iTunes:LABEL")
    {} // Publisher. Known unsupported, supress warnings
    else if (it->first == "cpil")
      tag.SetCompilation(it->second.toBool());
    else if (it->first == "trkn")
      tag.SetTrackNumber(it->second.toIntPair().first);
    else if (it->first == "disk")
      tag.SetDiscNumber(it->second.toIntPair().first);
    else if (it->first == "\251day")
      tag.SetYear(it->second.toStringList().front().toInt());
    else if (it->first == "----:com.apple.iTunes:replaygain_track_gain")
      replayGainInfo.ParseGain(ReplayGain::TRACK, it->second.toStringList().front().toCString());
    else if (it->first == "----:com.apple.iTunes:replaygain_album_gain")
      replayGainInfo.ParseGain(ReplayGain::ALBUM, it->second.toStringList().front().toCString());
    else if (it->first == "----:com.apple.iTunes:replaygain_track_peak")
      replayGainInfo.ParsePeak(ReplayGain::TRACK, it->second.toStringList().front().toCString());
    else if (it->first == "----:com.apple.iTunes:replaygain_album_peak")
      replayGainInfo.ParsePeak(ReplayGain::ALBUM, it->second.toStringList().front().toCString());
    else if (it->first == "----:com.apple.iTunes:MusicBrainz Artist Id")
      tag.SetMusicBrainzArtistID(SplitMBID(StringListToVectorString(it->second.toStringList())));
    else if (it->first == "----:com.apple.iTunes:MusicBrainz Album Artist Id")
      tag.SetMusicBrainzAlbumArtistID(SplitMBID(StringListToVectorString(it->second.toStringList())));
    else if (it->first == "----:com.apple.iTunes:MusicBrainz Album Artist")
      SetAlbumArtist(tag, StringListToVectorString(it->second.toStringList()));
    else if (it->first == "----:com.apple.iTunes:MusicBrainz Album Id")
      tag.SetMusicBrainzAlbumID(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "----:com.apple.iTunes:MusicBrainz Track Id")
      tag.SetMusicBrainzTrackID(it->second.toStringList().front().to8Bit(true));
    else if (it->first == "covr")
    {
      MP4::CoverArtList coverArtList = it->second.toCoverArtList();
      for (MP4::CoverArtList::ConstIterator pt = coverArtList.begin(); pt != coverArtList.end(); ++pt)
      {
        std::string mime;
        switch (pt->format())
        {
          case MP4::CoverArt::PNG:
            mime = "image/png";
            break;
          case MP4::CoverArt::JPEG:
            mime = "image/jpeg";
            break;
          default:
            break;
        }
        if (mime.empty())
          continue;
        tag.SetCoverArtInfo(pt->data().size(), mime);
        if (art)
          art->set(reinterpret_cast<const uint8_t *>(pt->data().data()), pt->data().size(), mime);
        break; // one is enough
      }
    }
  }

//.........这里部分代码省略.........