diff options
| author | Anton Kudryavtsev <a.kudryavtsev@netris.ru> | 2016-01-14 15:09:36 +0300 |
|---|---|---|
| committer | Anton Kudryavtsev <a.kudryavtsev@netris.ru> | 2016-01-14 12:49:59 +0000 |
| commit | 9c43f48d118ff869a9a621e1cea1ed2df81d2f37 (patch) | |
| tree | 2758ed5b1b1451626668d6bc9e39162b2c5730c5 /src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp | |
| parent | a12f3d6fee700fb19b51b85934acddf536c483cf (diff) | |
fix expensive iteration over QMap::keys() and QHash::keys()
Change-Id: I244aa1ecf006774ebe5fb9bb5b22d37142186e39
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
Diffstat (limited to 'src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp')
| -rw-r--r-- | src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp b/src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp index fca38ecf8..79deb9229 100644 --- a/src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp +++ b/src/plugins/gstreamer/mediacapture/qgstreamercapturemetadatacontrol.cpp @@ -142,8 +142,8 @@ void QGstreamerCaptureMetaDataControl::setMetaData(const QString &key, const QVa QStringList QGstreamerCaptureMetaDataControl::availableMetaData() const { QStringList res; - foreach (const QByteArray &key, m_values.keys()) { - QString tag = qt_gstreamerMetaDataKeys()->key(key); + for (auto it = m_values.keyBegin(), end = m_values.keyEnd(); it != end; ++it) { + QString tag = qt_gstreamerMetaDataKeys()->key(*it); if (!tag.isEmpty()) res.append(tag); } |