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39
40#include "qgstreamercapturemetadatacontrol.h"
41
42#include <QtMultimedia/qmediametadata.h>
43
44#include <gst/gst.h>
45#include <gst/gstversion.h>
46
47
48typedef QMap<QString, QByteArray> QGstreamerMetaDataKeyLookup;
49Q_GLOBAL_STATIC(QGstreamerMetaDataKeyLookup, metadataKeys)
50
51static const QGstreamerMetaDataKeyLookup *qt_gstreamerMetaDataKeys()
52{
53 if (metadataKeys->isEmpty()) {
54 metadataKeys->insert(akey: QMediaMetaData::Title, GST_TAG_TITLE);
55 metadataKeys->insert(akey: QMediaMetaData::SubTitle, avalue: 0);
56 //metadataKeys->insert(QMediaMetaData::Author, 0);
57 metadataKeys->insert(akey: QMediaMetaData::Comment, GST_TAG_COMMENT);
58 metadataKeys->insert(akey: QMediaMetaData::Description, GST_TAG_DESCRIPTION);
59 //metadataKeys->insert(QMediaMetaData::Category, 0);
60 metadataKeys->insert(akey: QMediaMetaData::Genre, GST_TAG_GENRE);
61 //metadataKeys->insert(QMediaMetaData::Year, 0);
62 //metadataKeys->insert(QMediaMetaData::UserRating, 0);
63
64 metadataKeys->insert(akey: QMediaMetaData::Language, GST_TAG_LANGUAGE_CODE);
65
66 metadataKeys->insert(akey: QMediaMetaData::Publisher, GST_TAG_ORGANIZATION);
67 metadataKeys->insert(akey: QMediaMetaData::Copyright, GST_TAG_COPYRIGHT);
68 //metadataKeys->insert(QMediaMetaData::ParentalRating, 0);
69 //metadataKeys->insert(QMediaMetaData::RatingOrganisation, 0);
70
71 // Media
72 //metadataKeys->insert(QMediaMetaData::Size, 0);
73 //metadataKeys->insert(QMediaMetaData::MediaType, 0);
74 metadataKeys->insert(akey: QMediaMetaData::Duration, GST_TAG_DURATION);
75
76 // Audio
77 metadataKeys->insert(akey: QMediaMetaData::AudioBitRate, GST_TAG_BITRATE);
78 metadataKeys->insert(akey: QMediaMetaData::AudioCodec, GST_TAG_AUDIO_CODEC);
79 //metadataKeys->insert(QMediaMetaData::ChannelCount, 0);
80 //metadataKeys->insert(QMediaMetaData::SampleRate, 0);
81
82 // Music
83 metadataKeys->insert(akey: QMediaMetaData::AlbumTitle, GST_TAG_ALBUM);
84 metadataKeys->insert(akey: QMediaMetaData::AlbumArtist, GST_TAG_ARTIST);
85 metadataKeys->insert(akey: QMediaMetaData::ContributingArtist, GST_TAG_PERFORMER);
86 metadataKeys->insert(akey: QMediaMetaData::Composer, GST_TAG_COMPOSER);
87 //metadataKeys->insert(QMediaMetaData::Conductor, 0);
88 //metadataKeys->insert(QMediaMetaData::Lyrics, 0);
89 //metadataKeys->insert(QMediaMetaData::Mood, 0);
90 metadataKeys->insert(akey: QMediaMetaData::TrackNumber, GST_TAG_TRACK_NUMBER);
91
92 //metadataKeys->insert(QMediaMetaData::CoverArtUrlSmall, 0);
93 //metadataKeys->insert(QMediaMetaData::CoverArtUrlLarge, 0);
94
95 // Image/Video
96 //metadataKeys->insert(QMediaMetaData::Resolution, 0);
97 //metadataKeys->insert(QMediaMetaData::PixelAspectRatio, 0);
98
99 // Video
100 //metadataKeys->insert(QMediaMetaData::VideoFrameRate, 0);
101 //metadataKeys->insert(QMediaMetaData::VideoBitRate, 0);
102 metadataKeys->insert(akey: QMediaMetaData::VideoCodec, GST_TAG_VIDEO_CODEC);
103
104 //metadataKeys->insert(QMediaMetaData::PosterUrl, 0);
105
106 // Movie
107 //metadataKeys->insert(QMediaMetaData::ChapterNumber, 0);
108 //metadataKeys->insert(QMediaMetaData::Director, 0);
109 metadataKeys->insert(akey: QMediaMetaData::LeadPerformer, GST_TAG_PERFORMER);
110 //metadataKeys->insert(QMediaMetaData::Writer, 0);
111
112 // Photos
113 //metadataKeys->insert(QMediaMetaData::CameraManufacturer, 0);
114 //metadataKeys->insert(QMediaMetaData::CameraModel, 0);
115 //metadataKeys->insert(QMediaMetaData::Event, 0);
116 //metadataKeys->insert(QMediaMetaData::Subject, 0 }
117 }
118
119 return metadataKeys;
120}
121
122QGstreamerCaptureMetaDataControl::QGstreamerCaptureMetaDataControl(QObject *parent)
123 :QMetaDataWriterControl(parent)
124{
125}
126
127QVariant QGstreamerCaptureMetaDataControl::metaData(const QString &key) const
128{
129 QGstreamerMetaDataKeyLookup::const_iterator it = qt_gstreamerMetaDataKeys()->find(akey: key);
130 if (it != qt_gstreamerMetaDataKeys()->constEnd())
131 return m_values.value(akey: it.value());
132
133 return QVariant();
134}
135
136void QGstreamerCaptureMetaDataControl::setMetaData(const QString &key, const QVariant &value)
137{
138 QGstreamerMetaDataKeyLookup::const_iterator it = qt_gstreamerMetaDataKeys()->find(akey: key);
139 if (it != qt_gstreamerMetaDataKeys()->constEnd()) {
140 m_values.insert(akey: it.value(), avalue: value);
141
142 emit QMetaDataWriterControl::metaDataChanged();
143 emit QMetaDataWriterControl::metaDataChanged(key, value);
144 emit metaDataChanged(m_values);
145 }
146}
147
148QStringList QGstreamerCaptureMetaDataControl::availableMetaData() const
149{
150 QStringList res;
151 for (auto it = m_values.keyBegin(), end = m_values.keyEnd(); it != end; ++it) {
152 QString tag = qt_gstreamerMetaDataKeys()->key(avalue: *it);
153 if (!tag.isEmpty())
154 res.append(t: tag);
155 }
156
157 return res;
158}
159

source code of qtmultimedia/src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp