1 /*
2  * Copyright (c) 2013-2018 Meltytech, LLC
3  * Author: Dan Dennedy <dan@dennedy.org>
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, either version 3 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #ifndef AUDIOLEVELSTASK_H
20 #define AUDIOLEVELSTASK_H
21 
22 #include "multitrackmodel.h"
23 #include <QRunnable>
24 #include <QPersistentModelIndex>
25 #include <QList>
26 #include <MltProducer.h>
27 #include <MltProfile.h>
28 
29 class AudioLevelsTask : public QRunnable
30 {
31 public:
32     AudioLevelsTask(Mlt::Producer& producer, QObject* object, const QModelIndex& index);
33     virtual ~AudioLevelsTask();
34     static void start(Mlt::Producer& producer, QObject* object, const QModelIndex& index, bool force = false);
35     static void closeAll();
36     bool operator==(AudioLevelsTask& b);
37 
38 protected:
39     void run();
40 
41 private:
42     Mlt::Producer* tempProducer();
43     QString cacheKey();
44 
45     QObject* m_object;
46     typedef QPair<Mlt::Producer*, QPersistentModelIndex> ProducerAndIndex;
47     QList<ProducerAndIndex> m_producers;
48     QScopedPointer<Mlt::Producer> m_tempProducer;
49     bool m_isCanceled;
50     bool m_isForce;
51     Mlt::Profile m_profile;
52 };
53 
54 #endif // AUDIOLEVELSTASK_H
55