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39
40#ifndef QGSTREAMERVIDEOOUTPUTCONTROL_H
41#define QGSTREAMERVIDEOOUTPUTCONTROL_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 <gst/gst.h>
55
56#include <QtCore/qobject.h>
57
58QT_BEGIN_NAMESPACE
59
60class QGstreamerVideoRendererInterface
61{
62public:
63 virtual ~QGstreamerVideoRendererInterface();
64 virtual GstElement *videoSink() = 0;
65 virtual void setVideoSink(GstElement *) {};
66
67 //stopRenderer() is called when the renderer element is stopped.
68 //it can be reimplemented when video renderer can't detect
69 //changes to NULL state but has to free video resources.
70 virtual void stopRenderer() {}
71
72 //the video output is configured, usually after the first paint event
73 //(winId is known,
74 virtual bool isReady() const { return true; }
75
76 //signals:
77 //void sinkChanged();
78 //void readyChanged(bool);
79};
80
81#define QGstreamerVideoRendererInterface_iid "org.qt-project.qt.gstreamervideorenderer/5.0"
82Q_DECLARE_INTERFACE(QGstreamerVideoRendererInterface, QGstreamerVideoRendererInterface_iid)
83QT_END_NAMESPACE
84
85#endif
86

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