C++ CMusicInfoTag::GetURL方法代码示例

CSong::CSong(CMusicInfoTag& tag)
{
  SYSTEMTIME stTime;
  tag.GetReleaseDate(stTime);
  strTitle = tag.GetTitle();
  genre = tag.GetGenre();
  strFileName = tag.GetURL();
  artist = tag.GetArtist();
  strAlbum = tag.GetAlbum();
  albumArtist = tag.GetAlbumArtist();
  strMusicBrainzTrackID = tag.GetMusicBrainzTrackID();
  strMusicBrainzArtistID = tag.GetMusicBrainzArtistID();
  strMusicBrainzAlbumID = tag.GetMusicBrainzAlbumID();
  strMusicBrainzAlbumArtistID = tag.GetMusicBrainzAlbumArtistID();
  strMusicBrainzTRMID = tag.GetMusicBrainzTRMID();
  strComment = tag.GetComment();
  rating = tag.GetRating();
  iYear = stTime.wYear;
  iTrack = tag.GetTrackAndDiskNumber();
  iDuration = tag.GetDuration();
  bCompilation = tag.GetCompilation();
  embeddedArt = tag.GetCoverArtInfo();
  strThumb = "";
  iStartOffset = 0;
  iEndOffset = 0;
  idSong = -1;
  iTimesPlayed = 0;
  iKaraokeNumber = 0;
  iKaraokeDelay = 0;         //! Karaoke song lyrics-music delay in 1/10 seconds.
  iAlbumId = -1;
}

CSong::CSong(CMusicInfoTag& tag)
{
  SYSTEMTIME stTime;
  tag.GetReleaseDate(stTime);
  strTitle = tag.GetTitle();
  strGenre = tag.GetGenre();
  strFileName = tag.GetURL();
  strArtist = tag.GetArtist();
  strAlbum = tag.GetAlbum();
  strAlbumArtist = tag.GetAlbumArtist();
  strComment = tag.GetComment();
  strLabel = tag.GetLabel(); // Laureon: Added getLabel 
  strISRC = tag.GetISRC(); // Laureon: Added getISRC
  iVisible = 1; // Laureon: Added: Song Visibility
  rating = tag.GetRating();
  iYear = stTime.wYear;
  iTrack = tag.GetTrackAndDiskNumber();
  iDuration = tag.GetDuration();
  strThumb = "";
  iStartOffset = 0;
  iEndOffset = 0;
  idSong = -1;
  iTimesPlayed = 0;
  iKaraokeNumber = 0;
  iKaraokeDelay = 0;         //! Karaoke song lyrics-music delay in 1/10 seconds.
  iArtistId = -1;
  iAlbumId = -1;
}

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;
}

void CMusicInfoTagLoaderWMA::SetTagValueBinary(const CStdString& strFrameName, const unsigned char* pValue, CMusicInfoTag& tag)
{
  if (strFrameName == "WM/Picture")
  {
    WM_PICTURE picture;
    int iPicOffset = 0;

    // Picture types: http://msdn.microsoft.com/library/en-us/wmform/htm/wm_picture.asp
    picture.bPictureType = (BYTE)pValue[iPicOffset];
    iPicOffset += 1;

    picture.dwDataLen = (DWORD)pValue[iPicOffset] + (pValue[iPicOffset + 1] * 0x100) + (pValue[iPicOffset + 2] * 0x10000);
    iPicOffset += 4;

    CStdStringW wString;
    CStdString16 utf16String = (uint16_t*)(pValue+iPicOffset);
    g_charsetConverter.utf16LEtoW(utf16String, wString);
    g_charsetConverter.wToUTF8(wString, picture.pwszMIMEType);
    iPicOffset += (wString.length() * 2);
    iPicOffset += 2;

    utf16String = (uint16_t*)(pValue+iPicOffset);
    g_charsetConverter.utf16LEtoW(utf16String, picture.pwszDescription);
    iPicOffset += (picture.pwszDescription.length() * 2);
    iPicOffset += 2;

    picture.pbData = (BYTE *)(pValue + iPicOffset);

    // many wma's don't have the bPictureType specified.  For now, just take
    // Cover Front (3) or Other (0) as the cover.
    if (picture.bPictureType == 3 || picture.bPictureType == 0) // Cover Front
    {
      CStdString strExtension(picture.pwszMIMEType);
      // 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 = CUtil::GetCachedAlbumThumb(tag.GetAlbum(), tag.GetAlbumArtist().IsEmpty() ? tag.GetArtist() : tag.GetAlbumArtist());
      else
        strCoverArt = CUtil::GetCachedMusicThumb(tag.GetURL());
      if (!CUtil::ThumbExists(strCoverArt))
      {
        int nPos = strExtension.Find('/');
        if (nPos > -1)
          strExtension.Delete(0, nPos + 1);

        if (picture.pbData != NULL && picture.dwDataLen > 0)
        {
          if (CPicture::CreateThumbnailFromMemory(picture.pbData, picture.dwDataLen, strExtension, strCoverArt))
          {
            CUtil::ThumbCacheAdd(strCoverArt, true);
          }
          else
          {
            CUtil::ThumbCacheAdd(strCoverArt, false);
            CLog::Log(LOGERROR, "Tag loader wma: "
                                "Unable to create album art for %s "
                                "(extension=%s, size=%u)",
                      tag.GetURL().c_str(), strExtension.c_str(),
                      picture.dwDataLen);
          }
        }
      }
    }
  }
}