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39 
40 #include "qvideosurfaces_p.h"
41 
42 QT_BEGIN_NAMESPACE
43 
QVideoSurfaces(const QVector<QAbstractVideoSurface * > & s,QObject * parent)44 QVideoSurfaces::QVideoSurfaces(const QVector<QAbstractVideoSurface *> &s, QObject *parent)
45     : QAbstractVideoSurface(parent)
46     , m_surfaces(s)
47 {
48     for (auto a : s) {
49         connect(a, &QAbstractVideoSurface::supportedFormatsChanged, this, [this, a] {
50             auto context = property("GLContext").value<QObject *>();
51             if (!context)
52                 setProperty("GLContext", a->property("GLContext"));
53 
54             emit supportedFormatsChanged();
55         });
56     }
57 }
58 
~QVideoSurfaces()59 QVideoSurfaces::~QVideoSurfaces()
60 {
61 }
62 
supportedPixelFormats(QAbstractVideoBuffer::HandleType type) const63 QList<QVideoFrame::PixelFormat> QVideoSurfaces::supportedPixelFormats(QAbstractVideoBuffer::HandleType type) const
64 {
65     QList<QVideoFrame::PixelFormat> result;
66     QMap<QVideoFrame::PixelFormat, int> formats;
67     for (auto &s : m_surfaces) {
68         for (auto &p : s->supportedPixelFormats(type)) {
69             if (++formats[p] == m_surfaces.size())
70                 result << p;
71         }
72     }
73 
74     return result;
75 }
76 
start(const QVideoSurfaceFormat & format)77 bool QVideoSurfaces::start(const QVideoSurfaceFormat &format)
78 {
79     bool result = true;
80     for (auto &s : m_surfaces)
81         result &= s->start(format);
82 
83     return result && QAbstractVideoSurface::start(format);
84 }
85 
stop()86 void QVideoSurfaces::stop()
87 {
88     for (auto &s : m_surfaces)
89         s->stop();
90 
91     QAbstractVideoSurface::stop();
92 }
93 
present(const QVideoFrame & frame)94 bool QVideoSurfaces::present(const QVideoFrame &frame)
95 {
96     bool result = true;
97     for (auto &s : m_surfaces)
98         result &= s->present(frame);
99 
100     return result;
101 }
102 
103 QT_END_NAMESPACE
104