/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; version 2 of the License

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#ifndef LIBAV_INTERACTION

#define LIBAV_INTERACTION

#include <QComboBox>

/**

 * @brief Class for interacting with ffmpeg/libav libraries

 *

 * @see <a href="https://en.wikipedia.org/wiki/Singleton_pattern">singleton pattern</a>

 */

class LibavInteraction : public QObject

{

    Q_OBJECT;

    LibavInteraction();

public:

    static LibavInteraction & instance();

    // fill combo box with known file formats

    void fillFormats(QComboBox * pFormats);

    // fill combo boxes with known codecs for given formats

    void fillCodecs(const QString & format, QComboBox * pVCodecs, QComboBox * pACodecs);

    QString getExtension(const QString & format);

    // get information about file (duration, resolution etc) in multiline string

    QString getFileInfo(const QString & filepath);

};

#endif // LIBAV_INTERACTION