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 <QObject>
22 #include <QString>
23 #include <QVariant>
24 #include <QRectF>
25 
26 #include <MltProducer.h>
27 #include "shotcut_mlt_properties.h"
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()
55  {
56  return m_producer.is_valid() ? out() - in() + 1 : 0;
57  }
58  int length()
59  {
60  return m_producer.is_valid() ? m_producer.get_length() : 0;
61  }
62  QString resource();
63  QString mlt_service()
64  {
65  return m_producer.is_valid() ? m_producer.get("mlt_service") : QString();
66  }
67  QString hash()
68  {
69  return m_producer.is_valid() ? m_producer.get(kShotcutHashProperty) : QString();
70  }
71  QString name();
72  QVariant audioLevels();
73  int fadeIn();
74  int fadeOut();
75  double speed();
76  int position() const
77  {
78  return m_position;
79  }
80  void setPosition(int position);
81  void seek(int position);
82  Mlt::Producer &producer()
83  {
84  return m_producer;
85  }
86  Q_INVOKABLE void audioLevelsReady(const QPersistentModelIndex &index);
87  Q_INVOKABLE void remakeAudioLevels();
88  double displayAspectRatio();
89  Q_INVOKABLE QString get(QString name, int position = -1);
90  Q_INVOKABLE double getDouble(QString name, int position = -1);
91  Q_INVOKABLE QRectF getRect(QString name, int position = -1);
92  Q_INVOKABLE bool outOfBounds();
93  Q_INVOKABLE void newGlaxnimateFile(const QString &filename);
94  Q_INVOKABLE void launchGlaxnimate(const QString &filename = QString()) const;
95 
96 signals:
97  void producerChanged();
98  void positionChanged(int position);
99  void seeked(int position);
100  void inChanged(int delta);
101  void outChanged(int delta);
102  void audioLevelsChanged();
103  void durationChanged();
104  void lengthChanged();
105 
106 public slots:
107  void setProducer(Mlt::Producer &producer);
108  void remakeAudioLevels(bool isKeyframesVisible);
109 
110 private:
111  Mlt::Producer m_producer;
112  int m_position;
113 };
114 
115 #endif // QMLPRODUCER_H