1// Copyright (C) 2021 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "qquickmediaplayer_p.h"
5#include <QtQml/qqmlcontext.h>
6
7QT_BEGIN_NAMESPACE
8
9QQuickMediaPlayer::QQuickMediaPlayer(QObject *parent) : QMediaPlayer(parent)
10{
11 connect(sender: this, signal: &QMediaPlayer::positionChanged, context: this, slot: &QQuickMediaPlayer::onPositionChanged);
12 connect(sender: this, signal: &QMediaPlayer::durationChanged, context: this, slot: &QQuickMediaPlayer::onDurationChanged);
13 connect(sender: this, signal: &QMediaPlayer::mediaStatusChanged, context: this,
14 slot: &QQuickMediaPlayer::onMediaStatusChanged);
15}
16
17void QQuickMediaPlayer::qmlSetSource(const QUrl &source)
18{
19 if (m_source == source)
20 return;
21 m_source = source;
22 m_wasMediaLoaded = false;
23 const QQmlContext *context = qmlContext(this);
24 setSource(context ? context->resolvedUrl(source) : source);
25 emit qmlSourceChanged(source);
26}
27
28QUrl QQuickMediaPlayer::qmlSource() const
29{
30 return m_source;
31}
32
33void QQuickMediaPlayer::setQmlPosition(int position)
34{
35 setPosition(static_cast<qint64>(position));
36}
37
38int QQuickMediaPlayer::qmlPosition() const
39{
40 return static_cast<int>(position());
41}
42
43int QQuickMediaPlayer::qmlDuration() const
44{
45 return static_cast<int>(duration());
46}
47
48void QQuickMediaPlayer::onPositionChanged(qint64 position)
49{
50 emit qmlPositionChanged(position: static_cast<int>(position));
51}
52
53void QQuickMediaPlayer::onDurationChanged(qint64 duration)
54{
55 emit qmlDurationChanged(duration: static_cast<int>(duration));
56}
57
58void QQuickMediaPlayer::onMediaStatusChanged(QMediaPlayer::MediaStatus status)
59{
60 if (status != QMediaPlayer::LoadedMedia || std::exchange(obj&: m_wasMediaLoaded, new_val: true))
61 return;
62
63 // run with QueuedConnection to make the user able to handle the media status change
64 // by themselves, otherwise play() might change the status in the handler.
65 auto tryAutoPlay = [this]() {
66 if (m_autoPlay && mediaStatus() == QMediaPlayer::LoadedMedia)
67 play();
68 };
69
70 if (m_autoPlay)
71 QMetaObject::invokeMethod(object: this, function&: tryAutoPlay, type: Qt::QueuedConnection);
72}
73
74/*!
75 \since 6.7
76 \qmlproperty bool QtMultimedia::MediaPlayer::autoPlay
77
78 This property controls whether the media begins to play automatically after it gets loaded.
79 Defaults to \c false.
80*/
81
82bool QQuickMediaPlayer::autoPlay() const
83{
84 return m_autoPlay;
85}
86
87void QQuickMediaPlayer::setAutoPlay(bool autoPlay)
88{
89 if (std::exchange(obj&: m_autoPlay, new_val&: autoPlay) != autoPlay)
90 emit autoPlayChanged(autoPlay);
91}
92
93QT_END_NAMESPACE
94
95#include "moc_qquickmediaplayer_p.cpp"
96

Provided by KDAB

Privacy Policy
Learn to use CMake with our Intro Training
Find out more

source code of qtmultimedia/src/multimediaquick/qquickmediaplayer.cpp