diff options
Diffstat (limited to 'src/plugins/gstreamer/camerabin/camerabinlocks.cpp')
| -rw-r--r-- | src/plugins/gstreamer/camerabin/camerabinlocks.cpp | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/src/plugins/gstreamer/camerabin/camerabinlocks.cpp b/src/plugins/gstreamer/camerabin/camerabinlocks.cpp index 9aac3ef5a..2ccc1b0bc 100644 --- a/src/plugins/gstreamer/camerabin/camerabinlocks.cpp +++ b/src/plugins/gstreamer/camerabin/camerabinlocks.cpp @@ -71,9 +71,12 @@ QCamera::LockTypes CameraBinLocks::supportedLocks() const if (GstPhotography *photography = m_session->photography()) { if (gst_photography_get_capabilities(photography) & GST_PHOTOGRAPHY_CAPS_WB_MODE) locks |= QCamera::LockWhiteBalance; - if (g_object_class_find_property( - G_OBJECT_GET_CLASS(m_session->cameraSource()), "exposure-mode")) { - locks |= QCamera::LockExposure; + + if (GstElement *source = m_session->cameraSource()) { + if (g_object_class_find_property( + G_OBJECT_GET_CLASS(source), "exposure-mode")) { + locks |= QCamera::LockExposure; + } } } #endif @@ -201,9 +204,13 @@ bool CameraBinLocks::isExposureLocked() const void CameraBinLocks::lockExposure(QCamera::LockChangeReason reason) { + GstElement *source = m_session->cameraSource(); + if (!source) + return; + m_pendingLocks &= ~QCamera::LockExposure; g_object_set( - G_OBJECT(m_session->cameraSource()), + G_OBJECT(source), "exposure-mode", GST_PHOTOGRAPHY_EXPOSURE_MODE_MANUAL, NULL); @@ -212,8 +219,12 @@ void CameraBinLocks::lockExposure(QCamera::LockChangeReason reason) void CameraBinLocks::unlockExposure(QCamera::LockStatus status, QCamera::LockChangeReason reason) { + GstElement *source = m_session->cameraSource(); + if (!source) + return; + g_object_set( - G_OBJECT(m_session->cameraSource()), + G_OBJECT(source), "exposure-mode", GST_PHOTOGRAPHY_EXPOSURE_MODE_AUTO, NULL); |