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

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/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((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.........
  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
      }
    }
  }

  if (mp4->comment() != String::null)
    tag.SetComment(mp4->comment().toCString(true));

  tag.SetReplayGain(replayGainInfo);
  return true;
}