diff options
Diffstat (limited to 'src/plugins/gstreamer/camerabin/camerabinzoom.cpp')
| -rw-r--r-- | src/plugins/gstreamer/camerabin/camerabinzoom.cpp | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/plugins/gstreamer/camerabin/camerabinzoom.cpp b/src/plugins/gstreamer/camerabin/camerabinzoom.cpp index bb3659493..401e13207 100644 --- a/src/plugins/gstreamer/camerabin/camerabinzoom.cpp +++ b/src/plugins/gstreamer/camerabin/camerabinzoom.cpp @@ -51,7 +51,9 @@ CameraBinZoom::CameraBinZoom(CameraBinSession *session) , m_requestedOpticalZoom(1.0) , m_requestedDigitalZoom(1.0) { - + GstElement *camerabin = m_session->cameraBin(); + g_signal_connect(G_OBJECT(camerabin), "notify::zoom", G_CALLBACK(updateZoom), this); + g_signal_connect(G_OBJECT(camerabin), "notify::max-zoom", G_CALLBACK(updateMaxZoom), this); } CameraBinZoom::~CameraBinZoom() @@ -114,4 +116,32 @@ void CameraBinZoom::zoomTo(qreal optical, qreal digital) emit currentDigitalZoomChanged(digital); } +void CameraBinZoom::updateZoom(GObject *o, GParamSpec *p, gpointer d) +{ + Q_UNUSED(p); + + gfloat zoomFactor = 1.0; + g_object_get(o, ZOOM_PROPERTY, &zoomFactor, NULL); + + CameraBinZoom *zoom = reinterpret_cast<CameraBinZoom *>(d); + + QMetaObject::invokeMethod(zoom, "currentDigitalZoomChanged", + Qt::QueuedConnection, + Q_ARG(qreal, zoomFactor)); +} + +void CameraBinZoom::updateMaxZoom(GObject *o, GParamSpec *p, gpointer d) +{ + Q_UNUSED(p); + + gfloat zoomFactor = 1.0; + g_object_get(o, MAX_ZOOM_PROPERTY, &zoomFactor, NULL); + + CameraBinZoom *zoom = reinterpret_cast<CameraBinZoom *>(d); + + QMetaObject::invokeMethod(zoom, "maximumDigitalZoomChanged", + Qt::QueuedConnection, + Q_ARG(qreal, zoomFactor)); +} + QT_END_NAMESPACE |