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39
40#include "qgstreameraudiodecoderserviceplugin.h"
41
42#include "qgstreameraudiodecoderservice.h"
43#include <private/qgstutils_p.h>
44
45#include <QtCore/qstring.h>
46#include <QtCore/qdebug.h>
47#include <QtCore/QDir>
48#include <QtCore/QDebug>
49
50// #define QT_SUPPORTEDMIMETYPES_DEBUG
51
52QMediaService* QGstreamerAudioDecoderServicePlugin::create(const QString &key)
53{
54 QGstUtils::initializeGst();
55
56 if (key == QLatin1String(Q_MEDIASERVICE_AUDIODECODER))
57 return new QGstreamerAudioDecoderService;
58
59 qWarning() << "Gstreamer audio decoder service plugin: unsupported key:" << key;
60 return 0;
61}
62
63void QGstreamerAudioDecoderServicePlugin::release(QMediaService *service)
64{
65 delete service;
66}
67
68QMultimedia::SupportEstimate QGstreamerAudioDecoderServicePlugin::hasSupport(const QString &mimeType,
69 const QStringList &codecs) const
70{
71 if (m_supportedMimeTypeSet.isEmpty())
72 updateSupportedMimeTypes();
73
74 return QGstUtils::hasSupport(mimeType, codecs, supportedMimeTypeSet: m_supportedMimeTypeSet);
75}
76
77static bool isDecoderOrDemuxer(GstElementFactory *factory)
78{
79#if GST_CHECK_VERSION(0, 10, 31)
80 return gst_element_factory_list_is_type(factory, GST_ELEMENT_FACTORY_TYPE_DEMUXER)
81 || gst_element_factory_list_is_type(factory, GST_ELEMENT_FACTORY_TYPE_DECODER
82 | GST_ELEMENT_FACTORY_TYPE_MEDIA_AUDIO);
83#else
84 return (factory
85 && (qstrcmp(factory->details.klass, "Codec/Decoder/Audio") == 0
86 || qstrcmp(factory->details.klass, "Codec/Demux") == 0));
87#endif
88}
89
90void QGstreamerAudioDecoderServicePlugin::updateSupportedMimeTypes() const
91{
92 m_supportedMimeTypeSet = QGstUtils::supportedMimeTypes(isValidFactory: isDecoderOrDemuxer);
93}
94
95QStringList QGstreamerAudioDecoderServicePlugin::supportedMimeTypes() const
96{
97 return QStringList();
98}
99
100

source code of qtmultimedia/src/plugins/gstreamer/audiodecoder/qgstreameraudiodecoderserviceplugin.cpp