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39
40#include <QtMultimedia/private/qtmultimediaglobal_p.h>
41#include <QtCore/qstring.h>
42#include <QtCore/qdebug.h>
43#include <QtCore/QDir>
44#include <QtCore/QDebug>
45
46#include "qgstreamerplayerserviceplugin.h"
47
48//#define QT_SUPPORTEDMIMETYPES_DEBUG
49
50#include "qgstreamerplayerservice.h"
51#include <private/qgstutils_p.h>
52
53QMediaService* QGstreamerPlayerServicePlugin::create(const QString &key)
54{
55 QGstUtils::initializeGst();
56
57 if (key == QLatin1String(Q_MEDIASERVICE_MEDIAPLAYER))
58 return new QGstreamerPlayerService;
59
60 qWarning() << "Gstreamer service plugin: unsupported key:" << key;
61 return 0;
62}
63
64void QGstreamerPlayerServicePlugin::release(QMediaService *service)
65{
66 delete service;
67}
68
69QMediaServiceProviderHint::Features QGstreamerPlayerServicePlugin::supportedFeatures(
70 const QByteArray &service) const
71{
72 if (service == Q_MEDIASERVICE_MEDIAPLAYER)
73 return
74#if QT_CONFIG(gstreamer_app)
75 QMediaServiceProviderHint::StreamPlayback |
76#endif
77 QMediaServiceProviderHint::VideoSurface;
78 else
79 return QMediaServiceProviderHint::Features();
80}
81
82QMultimedia::SupportEstimate QGstreamerPlayerServicePlugin::hasSupport(const QString &mimeType,
83 const QStringList &codecs) const
84{
85 if (m_supportedMimeTypeSet.isEmpty())
86 updateSupportedMimeTypes();
87
88 return QGstUtils::hasSupport(mimeType, codecs, supportedMimeTypeSet: m_supportedMimeTypeSet);
89}
90
91static bool isDecoderOrDemuxer(GstElementFactory *factory)
92{
93#if GST_CHECK_VERSION(0, 10 ,31)
94 return gst_element_factory_list_is_type(factory, GST_ELEMENT_FACTORY_TYPE_DEMUXER)
95 || gst_element_factory_list_is_type(factory, GST_ELEMENT_FACTORY_TYPE_DECODER);
96#else
97 return (factory
98 && (qstrcmp(factory->details.klass, "Codec/Decoder/Audio") == 0
99 || qstrcmp(factory->details.klass, "Codec/Decoder/Video") == 0
100 || qstrcmp(factory->details.klass, "Codec/Demux") == 0 ));
101#endif
102}
103
104void QGstreamerPlayerServicePlugin::updateSupportedMimeTypes() const
105{
106 m_supportedMimeTypeSet = QGstUtils::supportedMimeTypes(isValidFactory: isDecoderOrDemuxer);
107}
108
109QStringList QGstreamerPlayerServicePlugin::supportedMimeTypes() const
110{
111 return QStringList();
112}
113
114

source code of qtmultimedia/src/plugins/gstreamer/mediaplayer/qgstreamerplayerserviceplugin.cpp