diff options
author | Yoann Lopes <yoann.lopes@digia.com> | 2014-01-22 16:18:42 +0100 |
---|---|---|
committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-02-28 14:10:00 +0100 |
commit | b28ee24628f77fced393cacc45500be6761e4497 (patch) | |
tree | 811173f8a2caf84e0fa386010283ccfd32c6ad0d /src/plugins/gstreamer | |
parent | d964388b38ec4762e315d86aacb779604bcdca1b (diff) |
New QCameraInfo class.
The class allows to get the list of available cameras on the system as
well as getting some static information about them such as their unique
ID, display name, physical position and sensor orientation.
This makes QCamera::availableDevices() and QCamera::deviceDescription()
obsolete.
This patch contains the API, documentation and auto-tests but not the
actual implementation by each backend (except for retrieving the default
camera device).
[ChangeLog][QtMultimedia] Added new QCameraInfo class
[ChangeLog][QtMultimedia] QCamera: availableDevices() and
deviceDescription() are deprecated, use QCameraInfo instead
Change-Id: I64fd65729ab26a789468979ed5444ee90bb82cd0
Reviewed-by: Christian Stromme <christian.stromme@digia.com>
Diffstat (limited to 'src/plugins/gstreamer')
4 files changed, 40 insertions, 0 deletions
diff --git a/src/plugins/gstreamer/camerabin/camerabinserviceplugin.cpp b/src/plugins/gstreamer/camerabin/camerabinserviceplugin.cpp index 4d530d66f..37641b001 100644 --- a/src/plugins/gstreamer/camerabin/camerabinserviceplugin.cpp +++ b/src/plugins/gstreamer/camerabin/camerabinserviceplugin.cpp @@ -90,6 +90,18 @@ QMediaServiceProviderHint::Features CameraBinServicePlugin::supportedFeatures( return QMediaServiceProviderHint::Features(); } +QByteArray CameraBinServicePlugin::defaultDevice(const QByteArray &service) const +{ + if (service == Q_MEDIASERVICE_CAMERA) { + if (m_cameraDevices.isEmpty()) + updateDevices(); + + return m_defaultCameraDevice; + } + + return QByteArray(); +} + QList<QByteArray> CameraBinServicePlugin::devices(const QByteArray &service) const { if (service == Q_MEDIASERVICE_CAMERA) { @@ -126,6 +138,7 @@ QVariant CameraBinServicePlugin::deviceProperty(const QByteArray &service, const void CameraBinServicePlugin::updateDevices() const { + m_defaultCameraDevice.clear(); m_cameraDevices.clear(); m_cameraDescriptions.clear(); @@ -167,6 +180,9 @@ void CameraBinServicePlugin::updateDevices() const } ::close(fd); } + + if (!m_cameraDevices.isEmpty()) + m_defaultCameraDevice = m_cameraDevices.first(); } QT_END_NAMESPACE diff --git a/src/plugins/gstreamer/camerabin/camerabinserviceplugin.h b/src/plugins/gstreamer/camerabin/camerabinserviceplugin.h index f0aea0b3a..50ffc59b2 100644 --- a/src/plugins/gstreamer/camerabin/camerabinserviceplugin.h +++ b/src/plugins/gstreamer/camerabin/camerabinserviceplugin.h @@ -51,10 +51,12 @@ QT_BEGIN_NAMESPACE class CameraBinServicePlugin : public QMediaServiceProviderPlugin , public QMediaServiceSupportedDevicesInterface + , public QMediaServiceDefaultDeviceInterface , public QMediaServiceFeaturesInterface { Q_OBJECT Q_INTERFACES(QMediaServiceSupportedDevicesInterface) + Q_INTERFACES(QMediaServiceDefaultDeviceInterface) Q_INTERFACES(QMediaServiceFeaturesInterface) Q_PLUGIN_METADATA(IID "org.qt-project.qt.mediaserviceproviderfactory/5.0" FILE "camerabin.json") public: @@ -63,6 +65,7 @@ public: QMediaServiceProviderHint::Features supportedFeatures(const QByteArray &service) const; + QByteArray defaultDevice(const QByteArray &service) const; QList<QByteArray> devices(const QByteArray &service) const; QString deviceDescription(const QByteArray &service, const QByteArray &device); QVariant deviceProperty(const QByteArray &service, const QByteArray &device, const QByteArray &property); @@ -70,6 +73,7 @@ public: private: void updateDevices() const; + mutable QByteArray m_defaultCameraDevice; mutable QList<QByteArray> m_cameraDevices; mutable QStringList m_cameraDescriptions; }; diff --git a/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.cpp b/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.cpp index dbb7649f4..de07d2707 100644 --- a/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.cpp +++ b/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.cpp @@ -95,6 +95,18 @@ QMediaServiceProviderHint::Features QGstreamerCaptureServicePlugin::supportedFea return QMediaServiceProviderHint::Features(); } +QByteArray QGstreamerCaptureServicePlugin::defaultDevice(const QByteArray &service) const +{ + if (service == Q_MEDIASERVICE_CAMERA) { + if (m_cameraDevices.isEmpty()) + updateDevices(); + + return m_defaultCameraDevice; + } + + return QByteArray(); +} + QList<QByteArray> QGstreamerCaptureServicePlugin::devices(const QByteArray &service) const { if (service == Q_MEDIASERVICE_CAMERA) { @@ -131,6 +143,7 @@ QVariant QGstreamerCaptureServicePlugin::deviceProperty(const QByteArray &servic void QGstreamerCaptureServicePlugin::updateDevices() const { + m_defaultCameraDevice.clear(); m_cameraDevices.clear(); m_cameraDescriptions.clear(); @@ -174,6 +187,9 @@ void QGstreamerCaptureServicePlugin::updateDevices() const } ::close(fd); } + + if (!m_cameraDevices.isEmpty()) + m_defaultCameraDevice = m_cameraDevices.first(); } #endif diff --git a/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.h b/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.h index 3003cbbcc..a1141d324 100644 --- a/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.h +++ b/src/plugins/gstreamer/mediacapture/qgstreamercaptureserviceplugin.h @@ -53,6 +53,7 @@ class QGstreamerCaptureServicePlugin : public QMediaServiceProviderPlugin #if defined(USE_GSTREAMER_CAMERA) , public QMediaServiceSupportedDevicesInterface + , public QMediaServiceDefaultDeviceInterface , public QMediaServiceFeaturesInterface #endif , public QMediaServiceSupportedFormatsInterface @@ -60,6 +61,7 @@ class QGstreamerCaptureServicePlugin Q_OBJECT #if defined(USE_GSTREAMER_CAMERA) Q_INTERFACES(QMediaServiceSupportedDevicesInterface) + Q_INTERFACES(QMediaServiceDefaultDeviceInterface) Q_INTERFACES(QMediaServiceFeaturesInterface) #endif Q_INTERFACES(QMediaServiceSupportedFormatsInterface) @@ -75,6 +77,7 @@ public: #if defined(USE_GSTREAMER_CAMERA) QMediaServiceProviderHint::Features supportedFeatures(const QByteArray &service) const; + QByteArray defaultDevice(const QByteArray &service) const; QList<QByteArray> devices(const QByteArray &service) const; QString deviceDescription(const QByteArray &service, const QByteArray &device); QVariant deviceProperty(const QByteArray &service, const QByteArray &device, const QByteArray &property); @@ -87,6 +90,7 @@ private: #if defined(USE_GSTREAMER_CAMERA) void updateDevices() const; + mutable QByteArray m_defaultCameraDevice; mutable QList<QByteArray> m_cameraDevices; mutable QStringList m_cameraDescriptions; #endif |