31 class DiscnumberFrame :
35 DiscnumberFrame(TagLib::MP4::Tag* tag);
36 ~DiscnumberFrame()
override;
39 std::optional<Models::Discnumber> mapItemToData(
const TagLib::MP4::Item& item)
const override;
40 std::optional<TagLib::MP4::Item> mapDataToItem(
const Models::Discnumber& model)
override;