QTfrontend/util/LibavInteraction.h
author Wuzzy <Wuzzy2@mail.ru>
Thu, 11 Jul 2019 16:24:09 +0200
changeset 15252 c10e9261ab9c
parent 12268 2eedf9e0cd6d
permissions -rw-r--r--
Make lowest line of Splash image frames transparent to work around scaling issues The Splash image is scaled. Sometimes, the lowest line is repeated on the top, which caused some weird lines to appear above big splashes (e.g. piano). This has been done fully automated with a script. Only the alpha channel was changed. The color information is preserved.
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#ifndef LIBAV_INTERACTION
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#define LIBAV_INTERACTION
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#include <QComboBox>
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/**
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 * @brief Class for interacting with ffmpeg/libav libraries
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 *
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 * @see <a href="https://en.wikipedia.org/wiki/Singleton_pattern">singleton pattern</a>
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 */
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class LibavInteraction : public QObject
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{
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    Q_OBJECT;
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    LibavInteraction();
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public:
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    static LibavInteraction & instance();
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    // fill combo box with known file formats
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    void fillFormats(QComboBox * pFormats);
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    // fill combo boxes with known codecs for given formats
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    void fillCodecs(const QString & format, QComboBox * pVCodecs, QComboBox * pACodecs);
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    QString getExtension(const QString & format);
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    // get information about file (duration, resolution etc) in multiline string
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    QString getFileInfo(const QString & filepath);
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};
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#endif // LIBAV_INTERACTION