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39
40#ifndef QGSTREAMERVIDEOPROBECONTROL_H
41#define QGSTREAMERVIDEOPROBECONTROL_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 <gst/gst.h>
56#include <gst/video/video.h>
57#include <qmediavideoprobecontrol.h>
58#include <QtCore/qmutex.h>
59#include <qvideoframe.h>
60#include <qvideosurfaceformat.h>
61
62#include <private/qgstreamerbufferprobe_p.h>
63
64QT_BEGIN_NAMESPACE
65
66class Q_GSTTOOLS_EXPORT QGstreamerVideoProbeControl
67 : public QMediaVideoProbeControl
68 , public QGstreamerBufferProbe
69 , public QSharedData
70{
71 Q_OBJECT
72public:
73 explicit QGstreamerVideoProbeControl(QObject *parent);
74 virtual ~QGstreamerVideoProbeControl();
75
76 void probeCaps(GstCaps *caps) override;
77 bool probeBuffer(GstBuffer *buffer) override;
78
79 void startFlushing();
80 void stopFlushing();
81
82private slots:
83 void frameProbed();
84
85private:
86 QVideoSurfaceFormat m_format;
87 QVideoFrame m_pendingFrame;
88 QMutex m_frameMutex;
89#if GST_CHECK_VERSION(1,0,0)
90 GstVideoInfo m_videoInfo;
91#else
92 int m_bytesPerLine = 0;
93#endif
94 bool m_flushing = false;
95 bool m_frameProbed = false; // true if at least one frame was probed
96};
97
98QT_END_NAMESPACE
99
100#endif // QGSTREAMERVIDEOPROBECONTROL_H
101

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