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39
40#ifndef QGSTREAMERBUSHELPER_P_H
41#define QGSTREAMERBUSHELPER_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 <private/qgsttools_global_p.h>
55#include <QObject>
56
57#include "qgstreamermessage_p.h"
58
59#include <gst/gst.h>
60
61QT_BEGIN_NAMESPACE
62
63class QGstreamerSyncMessageFilter {
64public:
65 //returns true if message was processed and should be dropped, false otherwise
66 virtual bool processSyncMessage(const QGstreamerMessage &message) = 0;
67};
68#define QGstreamerSyncMessageFilter_iid "org.qt-project.qt.gstreamersyncmessagefilter/5.0"
69Q_DECLARE_INTERFACE(QGstreamerSyncMessageFilter, QGstreamerSyncMessageFilter_iid)
70
71
72class QGstreamerBusMessageFilter {
73public:
74 //returns true if message was processed and should be dropped, false otherwise
75 virtual bool processBusMessage(const QGstreamerMessage &message) = 0;
76};
77#define QGstreamerBusMessageFilter_iid "org.qt-project.qt.gstreamerbusmessagefilter/5.0"
78Q_DECLARE_INTERFACE(QGstreamerBusMessageFilter, QGstreamerBusMessageFilter_iid)
79
80
81class QGstreamerBusHelperPrivate;
82
83class Q_GSTTOOLS_EXPORT QGstreamerBusHelper : public QObject
84{
85 Q_OBJECT
86 friend class QGstreamerBusHelperPrivate;
87
88public:
89 QGstreamerBusHelper(GstBus* bus, QObject* parent = 0);
90 ~QGstreamerBusHelper();
91
92 void installMessageFilter(QObject *filter);
93 void removeMessageFilter(QObject *filter);
94
95signals:
96 void message(QGstreamerMessage const& message);
97
98private:
99 QGstreamerBusHelperPrivate *d = nullptr;
100};
101
102QT_END_NAMESPACE
103
104#endif
105

source code of qtmultimedia/src/gsttools/qgstreamerbushelper_p.h