Example #1
0
/*!
 * \brief Find an APIC tag by type and optionally description
 *
 * \param tag Pointer to TagLib::ID3v2::Tag object
 * \param type Type of picture to search for
 * \param description Description of picture to search for (optional)
 * \returns Pointer to frame
 */
AttachedPictureFrame* MetaIOID3::findAPIC(TagLib::ID3v2::Tag *tag,
                                        const AttachedPictureFrame::Type &type,
                                        const String &description)
{
  TagLib::ID3v2::FrameList l = tag->frameList("APIC");
  for(TagLib::ID3v2::FrameList::Iterator it = l.begin(); it != l.end(); ++it)
  {
    AttachedPictureFrame *f = static_cast<AttachedPictureFrame *>(*it);
    if (f && f->type() == type &&
        (description.isNull() || f->description() == description))
      return f;
  }
  return nullptr;
}
Example #2
0
/*!
 * \brief Read the albumart images from the file
 *
 * \param tag The ID3v2 tag object in which to look for Album Art
 * \returns A QList containing a list of AlbumArtImage's
 *          with the type and description of the APIC tag.
 */
AlbumArtList MetaIOID3::readAlbumArt(TagLib::ID3v2::Tag *tag)
{
    AlbumArtList artlist;

    if (!tag->frameListMap()["APIC"].isEmpty())
    {
        TagLib::ID3v2::FrameList apicframes = tag->frameListMap()["APIC"];

        for(TagLib::ID3v2::FrameList::Iterator it = apicframes.begin();
            it != apicframes.end(); ++it)
        {

            AttachedPictureFrame *frame =
                static_cast<AttachedPictureFrame *>(*it);

            // Assume a valid image would have at least
            // 100 bytes of data (1x1 indexed gif is 35 bytes)
            if (frame->picture().size() < 100)
            {
                LOG(VB_GENERAL, LOG_NOTICE,
                    "Music Scanner - Discarding APIC frame "
                    "with size less than 100 bytes");
                continue;
            }

            AlbumArtImage *art = new AlbumArtImage();

            if (frame->description().isEmpty())
                art->m_description.clear();
            else
                art->m_description = TStringToQString(frame->description());

            art->m_embedded = true;
            art->m_hostname = gCoreContext->GetHostName();

            QString ext = getExtFromMimeType(
                                TStringToQString(frame->mimeType()).toLower());

            switch (frame->type())
            {
                case AttachedPictureFrame::FrontCover :
                    art->m_imageType = IT_FRONTCOVER;
                    art->m_filename = QString("front") + ext;
                    break;
                case AttachedPictureFrame::BackCover :
                    art->m_imageType = IT_BACKCOVER;
                    art->m_filename = QString("back") + ext;
                    break;
                case AttachedPictureFrame::Media :
                    art->m_imageType = IT_CD;
                    art->m_filename = QString("cd") + ext;
                    break;
                case AttachedPictureFrame::LeafletPage :
                    art->m_imageType = IT_INLAY;
                    art->m_filename = QString("inlay") + ext;
                    break;
                case AttachedPictureFrame::Artist :
                    art->m_imageType = IT_ARTIST;
                    art->m_filename = QString("artist") + ext;
                    break;
                case AttachedPictureFrame::Other :
                    art->m_imageType = IT_UNKNOWN;
                    art->m_filename = QString("unknown") + ext;
                    break;
                default:
                    LOG(VB_GENERAL, LOG_ERR, "Music Scanner - APIC tag found "
                                             "with unsupported type");
                    delete art;
                    continue;
            }

            artlist.append(art);
        }
    }

    return artlist;
}