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39
40#ifndef QGSTREAMERBUFFERPROBE_H
41#define QGSTREAMERBUFFERPROBE_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
57#include <QtCore/qglobal.h>
58
59
60QT_BEGIN_NAMESPACE
61
62class Q_GSTTOOLS_EXPORT QGstreamerBufferProbe
63{
64public:
65 enum Flags
66 {
67 ProbeCaps = 0x01,
68 ProbeBuffers = 0x02,
69 ProbeAll = ProbeCaps | ProbeBuffers
70 };
71
72 explicit QGstreamerBufferProbe(Flags flags = ProbeAll);
73 virtual ~QGstreamerBufferProbe();
74
75 void addProbeToPad(GstPad *pad, bool downstream = true);
76 void removeProbeFromPad(GstPad *pad);
77
78protected:
79 virtual void probeCaps(GstCaps *caps);
80 virtual bool probeBuffer(GstBuffer *buffer);
81
82private:
83#if GST_CHECK_VERSION(1,0,0)
84 static GstPadProbeReturn capsProbe(GstPad *pad, GstPadProbeInfo *info, gpointer user_data);
85 static GstPadProbeReturn bufferProbe(GstPad *pad, GstPadProbeInfo *info, gpointer user_data);
86 int m_capsProbeId = -1;
87#else
88 static gboolean bufferProbe(GstElement *element, GstBuffer *buffer, gpointer user_data);
89 GstCaps *m_caps = nullptr;
90#endif
91 int m_bufferProbeId = -1;
92 const Flags m_flags;
93};
94
95QT_END_NAMESPACE
96
97#endif // QGSTREAMERAUDIOPROBECONTROL_H
98

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