1 /* PopularimeterFrame.cpp */ 2 3 /* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras) 4 * 5 * This file is part of sayonara player 6 * 7 * This program is free software: you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 17 * You should have received a copy of the GNU General Public License 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #include "PopularimeterFrame.h" 22 PopularimeterFrame(TagLib::MP4::Tag * tag)23MP4::PopularimeterFrame::PopularimeterFrame(TagLib::MP4::Tag* tag) : 24 MP4::MP4Frame<Models::Popularimeter>(tag, "rtng") {} 25 26 MP4::PopularimeterFrame::~PopularimeterFrame() = default; 27 mapItemToData(const TagLib::MP4::Item & item) const28std::optional<Models::Popularimeter> MP4::PopularimeterFrame::mapItemToData(const TagLib::MP4::Item& item) const 29 { 30 auto popularimeter = Models::Popularimeter {}; 31 const auto ratingByte = item.toByte(); 32 if(ratingByte <= 5) 33 { 34 popularimeter.rating = static_cast<Rating>(ratingByte); 35 } 36 37 else 38 { 39 popularimeter.setRatingByte(ratingByte); 40 } 41 42 return std::optional(popularimeter); 43 } 44 mapDataToItem(const Models::Popularimeter & popularimeter)45std::optional<TagLib::MP4::Item> MP4::PopularimeterFrame::mapDataToItem(const Models::Popularimeter& popularimeter) 46 { 47 const auto byte = static_cast<uchar>(popularimeter.ratingByte()); 48 const auto item = TagLib::MP4::Item(byte); 49 50 return std::optional(item); 51 } 52