1 /*

     2  * Hedgewars, a free turn based strategy game

     3  * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>

     4  *

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

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

     7  * the Free Software Foundation; version 2 of the License

     8  *

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

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

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

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

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

    16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

    17  */

    18 

    19 #ifndef LIBAV_ITERACTION

    20 #define LIBAV_ITERACTION

    21 

    22 #include <QComboBox>

    23 

    24 /**

    25  * @brief Class for interacting with ffmpeg/libav libraries

    26  *

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

    28  */

    29 class LibavInteraction : public QObject

    30 {

    31     Q_OBJECT;

    32 

    33     LibavInteraction();

    34 

    35 public:

    36 

    37     static LibavInteraction & instance();

    38 

    39     // fill combo box with known file formats

    40     void fillFormats(QComboBox * pFormats);

    41 

    42     // fill combo boxes with known codecs for given formats

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

    44 

    45     QString getExtension(const QString & format);

    46 

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

    48     QString getFileInfo(const QString & filepath);

    49 };

    50 

    51 #endif // LIBAV_ITERACTION