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39
40#include "qvideosurfaceoutput_p.h"
41
42#include <qabstractvideosurface.h>
43#include <qmediaservice.h>
44#include <qvideorenderercontrol.h>
45
46/*!
47 * \class QVideoSurfaceOutput
48 * \internal
49 */
50QVideoSurfaceOutput::QVideoSurfaceOutput(QObject*parent)
51 : QObject(parent)
52{
53}
54
55QVideoSurfaceOutput::~QVideoSurfaceOutput()
56{
57 if (m_control) {
58 m_control.data()->setSurface(nullptr);
59 m_service.data()->releaseControl(m_control.data());
60 }
61}
62
63QMediaObject *QVideoSurfaceOutput::mediaObject() const
64{
65 return m_object.data();
66}
67
68void QVideoSurfaceOutput::setVideoSurface(QAbstractVideoSurface *surface)
69{
70 m_surface = surface;
71
72 if (m_control)
73 m_control.data()->setSurface(surface);
74}
75
76bool QVideoSurfaceOutput::setMediaObject(QMediaObject *object)
77{
78 if (m_control) {
79 m_control.data()->setSurface(nullptr);
80 m_service.data()->releaseControl(m_control.data());
81 }
82 m_control.clear();
83 m_service.clear();
84 m_object.clear();
85
86 if (object) {
87 if (QMediaService *service = object->service()) {
88 if (QMediaControl *control = service->requestControl(QVideoRendererControl_iid)) {
89 if ((m_control = qobject_cast<QVideoRendererControl *>(control))) {
90 m_service = service;
91 m_object = object;
92 m_control.data()->setSurface(m_surface.data());
93
94 return true;
95 }
96 service->releaseControl(control);
97 }
98 }
99 }
100 return false;
101}
102