CuteLogger
Fast and simple logging solution for Qt based applications
qmlproducer.h
1 /*
2  * Copyright (c) 2016-2023 Meltytech, LLC
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
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, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef QMLPRODUCER_H
19 #define QMLPRODUCER_H
20 
21 #include "shotcut_mlt_properties.h"
22 
23 #include <MltProducer.h>
24 #include <QObject>
25 #include <QRectF>
26 #include <QString>
27 #include <QVariant>
28 
29 class QmlProducer : public QObject
30 {
31  Q_OBJECT
32  Q_PROPERTY(int in READ in() NOTIFY inChanged)
33  Q_PROPERTY(int out READ out() NOTIFY outChanged)
34  Q_PROPERTY(int aspectRatio READ aspectRatio() NOTIFY producerChanged)
35  Q_PROPERTY(int duration READ duration() NOTIFY durationChanged)
36  Q_PROPERTY(int length READ length() NOTIFY lengthChanged)
37  Q_PROPERTY(QString resource READ resource() NOTIFY producerChanged)
38  Q_PROPERTY(QString mlt_service READ mlt_service() NOTIFY producerChanged)
39  Q_PROPERTY(QString hash READ hash() NOTIFY producerChanged)
40  Q_PROPERTY(QString name READ name() NOTIFY producerChanged)
41  Q_PROPERTY(QVariant audioLevels READ audioLevels NOTIFY audioLevelsChanged)
42  Q_PROPERTY(int fadeIn READ fadeIn NOTIFY producerChanged)
43  Q_PROPERTY(int fadeOut READ fadeOut NOTIFY producerChanged)
44  Q_PROPERTY(double speed READ speed NOTIFY producerChanged)
45  Q_PROPERTY(int position READ position WRITE setPosition NOTIFY positionChanged)
46  Q_PROPERTY(double displayAspectRatio READ displayAspectRatio NOTIFY producerChanged)
47 
48 public:
49  explicit QmlProducer(QObject *parent = 0);
50 
51  int in();
52  int out();
53  double aspectRatio();
54  int duration() { return m_producer.is_valid() ? out() - in() + 1 : 0; }
55  int length() { return m_producer.is_valid() ? m_producer.get_length() : 0; }
56  QString resource();
57  QString mlt_service()
58  {
59  return m_producer.is_valid() ? m_producer.get("mlt_service") : QString();
60  }
61  QString hash()
62  {
63  return m_producer.is_valid() ? m_producer.get(kShotcutHashProperty) : QString();
64  }
65  QString name();
66  QVariant audioLevels();
67  int fadeIn();
68  int fadeOut();
69  double speed();
70  int position() const { return m_position; }
71  void setPosition(int position);
72  void seek(int position);
73  Mlt::Producer &producer() { return m_producer; }
74  Q_INVOKABLE void audioLevelsReady(const QPersistentModelIndex &index);
75  Q_INVOKABLE void remakeAudioLevels();
76  double displayAspectRatio();
77  Q_INVOKABLE QString get(QString name, int position = -1);
78  Q_INVOKABLE double getDouble(QString name, int position = -1);
79  Q_INVOKABLE QRectF getRect(QString name, int position = -1);
80  Q_INVOKABLE bool outOfBounds();
81  Q_INVOKABLE void newGlaxnimateFile(const QString &filename);
82  Q_INVOKABLE void launchGlaxnimate(const QString &filename = QString()) const;
83 
84 signals:
85  void producerChanged();
86  void positionChanged(int position);
87  void seeked(int position);
88  void inChanged(int delta);
89  void outChanged(int delta);
90  void audioLevelsChanged();
91  void durationChanged();
92  void lengthChanged();
93 
94 public slots:
95  void setProducer(Mlt::Producer &producer);
96  void remakeAudioLevels(bool isKeyframesVisible);
97 
98 private:
99  Mlt::Producer m_producer;
100  int m_position;
101 };
102 
103 #endif // QMLPRODUCER_H