void QGstreamerMetaDataProvider::updateTags()
{
QVariantMap oldTags = m_tags;
m_tags.clear();
bool changed = false;
QMapIterator<QByteArray ,QVariant> i(m_session->tags());
while (i.hasNext()) {
i.next();
//use gstreamer native keys for elements not in our key map
QString key = qt_gstreamerMetaDataKeys()->value(i.key(), i.key());
m_tags.insert(key, i.value());
if (i.value() != oldTags.value(key)) {
changed = true;
emit metaDataChanged(key, i.value());
}
}
if (oldTags.isEmpty() != m_tags.isEmpty()) {
emit metaDataAvailableChanged(isMetaDataAvailable());
changed = true;
}
if (changed)
emit metaDataChanged();
}
void DirectShowMetaDataControl::setMetadataAvailable(bool available)
{
if (m_available == available)
return;
m_available = available;
emit metaDataAvailableChanged(m_available);
}
void MmRendererMetaDataReaderControl::setMetaData(const MmRendererMetaData &data)
{
const MmRendererMetaData oldMetaData = m_metaData;
const bool oldMetaDataAvailable = isMetaDataAvailable();
m_metaData = data;
bool changed = false;
if (m_metaData.title() != oldMetaData.title()) {
changed = true;
emit metaDataChanged(QMediaMetaData::Title, m_metaData.title());
} else if (m_metaData.artist() != oldMetaData.artist()) {
changed = true;
emit metaDataChanged(QMediaMetaData::Author, m_metaData.artist());
} else if (m_metaData.comment() != oldMetaData.comment()) {
changed = true;
emit metaDataChanged(QMediaMetaData::Comment, m_metaData.comment());
} else if (m_metaData.genre() != oldMetaData.genre()) {
changed = true;
emit metaDataChanged(QMediaMetaData::Genre, m_metaData.genre());
} else if (m_metaData.year() != oldMetaData.year()) {
changed = true;
emit metaDataChanged(QMediaMetaData::Year, m_metaData.year());
} else if (m_metaData.mediaType() != oldMetaData.mediaType()) {
changed = true;
emit metaDataChanged(QMediaMetaData::MediaType, m_metaData.mediaType());
} else if (m_metaData.duration() != oldMetaData.duration()) {
changed = true;
emit metaDataChanged(QMediaMetaData::Duration, m_metaData.duration());
} else if (m_metaData.audioBitRate() != oldMetaData.audioBitRate()) {
changed = true;
emit metaDataChanged(QMediaMetaData::AudioBitRate, m_metaData.audioBitRate());
} else if (m_metaData.sampleRate() != oldMetaData.sampleRate()) {
changed = true;
emit metaDataChanged(QMediaMetaData::SampleRate, m_metaData.sampleRate());
} else if (m_metaData.album() != oldMetaData.album()) {
changed = true;
emit metaDataChanged(QMediaMetaData::AlbumTitle, m_metaData.album());
} else if (m_metaData.track() != oldMetaData.track()) {
changed = true;
emit metaDataChanged(QMediaMetaData::TrackNumber, m_metaData.track());
} else if (m_metaData.resolution() != oldMetaData.resolution()) {
changed = true;
emit metaDataChanged(QMediaMetaData::Resolution, m_metaData.resolution());
}
if (changed)
emit metaDataChanged();
const bool metaDataAvailable = isMetaDataAvailable();
if (metaDataAvailable != oldMetaDataAvailable)
emit metaDataAvailableChanged(metaDataAvailable);
}
void QAndroidMetaDataReaderControl::updateData(const QVariantMap &metadata, const QUrl &url)
{
const QMutexLocker l(&m_mtx);
if (m_mediaContent.canonicalUrl() != url)
return;
const bool oldAvailable = m_available;
m_metadata = metadata;
m_available = !m_metadata.isEmpty();
if (m_available != oldAvailable)
Q_EMIT metaDataAvailableChanged(m_available);
Q_EMIT metaDataChanged();
}
QVariant DirectShowMetaDataControl::metaData(const QString &key) const
{
QVariant value;
#ifndef QT_NO_WMSDK
if (m_headerInfo) {
static const int count = sizeof(qt_wmMetaDataKeys) / sizeof(QWMMetaDataKeyLookup);
for (int i = 0; i < count; ++i) {
if (qt_wmMetaDataKeys[i].key == key) {
value = getValue(m_headerInfo, qt_wmMetaDataKeys[i].token);
break;
}
}
} else if (m_content) {
#else
if (m_content) {
#endif
BSTR string = 0;
if (key == QMediaMetaData::Author)
m_content->get_AuthorName(&string);
else if (key == QMediaMetaData::Title)
m_content->get_Title(&string);
else if (key == QMediaMetaData::ParentalRating)
m_content->get_Rating(&string);
else if (key == QMediaMetaData::Description)
m_content->get_Description(&string);
else if (key == QMediaMetaData::Copyright)
m_content->get_Copyright(&string);
if (string) {
value = QString::fromUtf16(reinterpret_cast<ushort *>(string), ::SysStringLen(string));
::SysFreeString(string);
}
}
return value;
}
QStringList DirectShowMetaDataControl::availableMetaData() const
{
return QStringList();
}
void DirectShowMetaDataControl::updateGraph(IFilterGraph2 *graph, IBaseFilter *source)
{
if (m_content)
m_content->Release();
if (!graph || graph->QueryInterface(
IID_IAMMediaContent, reinterpret_cast<void **>(&m_content)) != S_OK) {
m_content = 0;
}
#ifdef QT_NO_WMSDK
Q_UNUSED(source);
#else
if (m_headerInfo)
m_headerInfo->Release();
m_headerInfo = com_cast<IWMHeaderInfo>(source, IID_IWMHeaderInfo);
#endif
// DirectShowMediaPlayerService holds a lock at this point so defer emitting signals to a later
// time.
QCoreApplication::postEvent(this, new QEvent(QEvent::Type(MetaDataChanged)));
}
void DirectShowMetaDataControl::customEvent(QEvent *event)
{
if (event->type() == QEvent::Type(MetaDataChanged)) {
event->accept();
emit metaDataChanged();
#ifndef QT_NO_WMSDK
emit metaDataAvailableChanged(m_content || m_headerInfo);
#else
emit metaDataAvailableChanged(m_content);
#endif
} else {
QMetaDataReaderControl::customEvent(event);
}
}
