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39
40#ifndef QMEDIAPLAYLISTIOPLUGIN_P_H
41#define QMEDIAPLAYLISTIOPLUGIN_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtCore/qobject.h>
55#include <QtCore/qplugin.h>
56
57#include <qtmultimediaglobal.h>
58
59#include "qmediacontent.h"
60
61QT_BEGIN_NAMESPACE
62
63class QString;
64class QUrl;
65class QByteArray;
66class QIODevice;
67class QStringList;
68
69class Q_MULTIMEDIA_EXPORT QMediaPlaylistReader
70{
71public:
72 virtual ~QMediaPlaylistReader();
73
74 virtual bool atEnd() const = 0;
75 virtual QMediaContent readItem() = 0;
76 virtual void close() = 0;
77};
78
79class Q_MULTIMEDIA_EXPORT QMediaPlaylistWriter
80{
81public:
82 virtual ~QMediaPlaylistWriter();
83
84 virtual bool writeItem(const QMediaContent &content) = 0;
85 virtual void close() = 0;
86};
87
88struct Q_MULTIMEDIA_EXPORT QMediaPlaylistIOInterface
89{
90 virtual bool canRead(QIODevice *device, const QByteArray &format = QByteArray() ) const = 0;
91 virtual bool canRead(const QUrl& location, const QByteArray &format = QByteArray()) const = 0;
92
93 virtual bool canWrite(QIODevice *device, const QByteArray &format) const = 0;
94
95 virtual QMediaPlaylistReader *createReader(QIODevice *device, const QByteArray &format = QByteArray()) = 0;
96 virtual QMediaPlaylistReader *createReader(const QUrl& location, const QByteArray &format = QByteArray()) = 0;
97
98 virtual QMediaPlaylistWriter *createWriter(QIODevice *device, const QByteArray &format) = 0;
99};
100
101#define QMediaPlaylistIOInterface_iid "org.qt-project.qt.mediaplaylistio/5.0"
102Q_DECLARE_INTERFACE(QMediaPlaylistIOInterface, QMediaPlaylistIOInterface_iid);
103
104class Q_MULTIMEDIA_EXPORT QMediaPlaylistIOPlugin : public QObject, public QMediaPlaylistIOInterface
105{
106Q_OBJECT
107Q_INTERFACES(QMediaPlaylistIOInterface)
108public:
109 explicit QMediaPlaylistIOPlugin(QObject *parent = nullptr);
110 ~QMediaPlaylistIOPlugin();
111
112 bool canRead(QIODevice *device, const QByteArray &format = QByteArray() ) const override = 0;
113 bool canRead(const QUrl& location, const QByteArray &format = QByteArray()) const override = 0;
114
115 bool canWrite(QIODevice *device, const QByteArray &format) const override = 0;
116
117 QMediaPlaylistReader *createReader(QIODevice *device, const QByteArray &format = QByteArray()) override = 0;
118 QMediaPlaylistReader *createReader(const QUrl& location, const QByteArray &format = QByteArray()) override = 0;
119
120 QMediaPlaylistWriter *createWriter(QIODevice *device, const QByteArray &format) override = 0;
121};
122
123QT_END_NAMESPACE
124
125
126#endif // QMEDIAPLAYLISTIOPLUGIN_P_H
127

source code of qtmultimedia/src/multimedia/playback/qmediaplaylistioplugin_p.h