diff options
Diffstat (limited to 'src/plugins/directshow/player/directshowmetadatacontrol.cpp')
-rw-r--r-- | src/plugins/directshow/player/directshowmetadatacontrol.cpp | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/src/plugins/directshow/player/directshowmetadatacontrol.cpp b/src/plugins/directshow/player/directshowmetadatacontrol.cpp index 3f58be249..5400ac8d4 100644 --- a/src/plugins/directshow/player/directshowmetadatacontrol.cpp +++ b/src/plugins/directshow/player/directshowmetadatacontrol.cpp @@ -362,7 +362,18 @@ static QString convertBSTR(BSTR *string) return value; } -void DirectShowMetaDataControl::updateGraph(IFilterGraph2 *graph, IBaseFilter *source, const QString &fileSrc) +void DirectShowMetaDataControl::reset() +{ + bool hadMetadata = !m_metadata.isEmpty(); + m_metadata.clear(); + + setMetadataAvailable(false); + + if (hadMetadata) + emit metaDataChanged(); +} + +void DirectShowMetaDataControl::updateMetadata(IFilterGraph2 *graph, IBaseFilter *source, const QString &fileSrc) { m_metadata.clear(); @@ -568,13 +579,19 @@ void DirectShowMetaDataControl::customEvent(QEvent *event) if (event->type() == QEvent::Type(MetaDataChanged)) { event->accept(); - bool oldAvailable = m_available; - m_available = !m_metadata.isEmpty(); - if (m_available != oldAvailable) - emit metaDataAvailableChanged(m_available); + setMetadataAvailable(!m_metadata.isEmpty()); emit metaDataChanged(); } else { QMetaDataReaderControl::customEvent(event); } } + +void DirectShowMetaDataControl::setMetadataAvailable(bool available) +{ + if (m_available == available) + return; + + m_available = available; + emit metaDataAvailableChanged(m_available); +} |