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
29class 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
48public:
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
96signals:
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
106public slots:
107 void setProducer(Mlt::Producer &producer);
108 void remakeAudioLevels(bool isKeyframesVisible);
109
110private:
111 Mlt::Producer m_producer;
112 int m_position;
113};
114
115#endif // QMLPRODUCER_H