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| ****************************************************************************/ |
| |
| #include "camerabinexposure.h" |
| #include "camerabinsession.h" |
| #include <gst/interfaces/photography.h> |
| |
| #include <QDebug> |
| |
| #if !GST_CHECK_VERSION(1,0,0) |
| typedef GstSceneMode GstPhotographySceneMode; |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| CameraBinExposure::CameraBinExposure(CameraBinSession *session) |
| :QCameraExposureControl(session), |
| m_session(session) |
| { |
| } |
| |
| CameraBinExposure::~CameraBinExposure() |
| { |
| } |
| |
| bool CameraBinExposure::isParameterSupported(ExposureParameter parameter) const |
| { |
| switch (parameter) { |
| case QCameraExposureControl::ExposureCompensation: |
| case QCameraExposureControl::ISO: |
| case QCameraExposureControl::Aperture: |
| case QCameraExposureControl::ShutterSpeed: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| QVariantList CameraBinExposure::supportedParameterRange(ExposureParameter parameter, |
| bool *continuous) const |
| { |
| if (continuous) |
| *continuous = false; |
| |
| QVariantList res; |
| switch (parameter) { |
| case QCameraExposureControl::ExposureCompensation: |
| if (continuous) |
| *continuous = true; |
| res << -2.0 << 2.0; |
| break; |
| case QCameraExposureControl::ISO: |
| res << 100 << 200 << 400; |
| break; |
| case QCameraExposureControl::Aperture: |
| res << 2.8; |
| break; |
| default: |
| break; |
| } |
| |
| return res; |
| } |
| |
| QVariant CameraBinExposure::requestedValue(ExposureParameter parameter) const |
| { |
| return m_requestedValues.value(parameter); |
| } |
| |
| QVariant CameraBinExposure::actualValue(ExposureParameter parameter) const |
| { |
| switch (parameter) { |
| case QCameraExposureControl::ExposureCompensation: |
| { |
| gfloat ev; |
| gst_photography_get_ev_compensation(m_session->photography(), &ev); |
| return QVariant(ev); |
| } |
| case QCameraExposureControl::ISO: |
| { |
| guint isoSpeed = 0; |
| gst_photography_get_iso_speed(m_session->photography(), &isoSpeed); |
| return QVariant(isoSpeed); |
| } |
| case QCameraExposureControl::Aperture: |
| return QVariant(2.8); |
| case QCameraExposureControl::ShutterSpeed: |
| { |
| guint32 shutterSpeed = 0; |
| gst_photography_get_exposure(m_session->photography(), &shutterSpeed); |
| |
| return QVariant(shutterSpeed/1000000.0); |
| } |
| case QCameraExposureControl::ExposureMode: |
| { |
| GstPhotographySceneMode sceneMode; |
| gst_photography_get_scene_mode(m_session->photography(), &sceneMode); |
| |
| switch (sceneMode) { |
| case GST_PHOTOGRAPHY_SCENE_MODE_PORTRAIT: |
| return QVariant::fromValue(QCameraExposure::ExposurePortrait); |
| case GST_PHOTOGRAPHY_SCENE_MODE_SPORT: |
| return QVariant::fromValue(QCameraExposure::ExposureSports); |
| case GST_PHOTOGRAPHY_SCENE_MODE_NIGHT: |
| return QVariant::fromValue(QCameraExposure::ExposureNight); |
| case GST_PHOTOGRAPHY_SCENE_MODE_MANUAL: |
| return QVariant::fromValue(QCameraExposure::ExposureManual); |
| case GST_PHOTOGRAPHY_SCENE_MODE_LANDSCAPE: |
| return QVariant::fromValue(QCameraExposure::ExposureLandscape); |
| #if GST_CHECK_VERSION(1, 2, 0) |
| case GST_PHOTOGRAPHY_SCENE_MODE_SNOW: |
| return QVariant::fromValue(QCameraExposure::ExposureSnow); |
| case GST_PHOTOGRAPHY_SCENE_MODE_BEACH: |
| return QVariant::fromValue(QCameraExposure::ExposureBeach); |
| case GST_PHOTOGRAPHY_SCENE_MODE_ACTION: |
| return QVariant::fromValue(QCameraExposure::ExposureAction); |
| case GST_PHOTOGRAPHY_SCENE_MODE_NIGHT_PORTRAIT: |
| return QVariant::fromValue(QCameraExposure::ExposureNightPortrait); |
| case GST_PHOTOGRAPHY_SCENE_MODE_THEATRE: |
| return QVariant::fromValue(QCameraExposure::ExposureTheatre); |
| case GST_PHOTOGRAPHY_SCENE_MODE_SUNSET: |
| return QVariant::fromValue(QCameraExposure::ExposureSunset); |
| case GST_PHOTOGRAPHY_SCENE_MODE_STEADY_PHOTO: |
| return QVariant::fromValue(QCameraExposure::ExposureSteadyPhoto); |
| case GST_PHOTOGRAPHY_SCENE_MODE_FIREWORKS: |
| return QVariant::fromValue(QCameraExposure::ExposureFireworks); |
| case GST_PHOTOGRAPHY_SCENE_MODE_PARTY: |
| return QVariant::fromValue(QCameraExposure::ExposureParty); |
| case GST_PHOTOGRAPHY_SCENE_MODE_CANDLELIGHT: |
| return QVariant::fromValue(QCameraExposure::ExposureCandlelight); |
| case GST_PHOTOGRAPHY_SCENE_MODE_BARCODE: |
| return QVariant::fromValue(QCameraExposure::ExposureBarcode); |
| #endif |
| //no direct mapping available so mapping to auto mode |
| case GST_PHOTOGRAPHY_SCENE_MODE_CLOSEUP: |
| case GST_PHOTOGRAPHY_SCENE_MODE_AUTO: |
| default: |
| return QVariant::fromValue(QCameraExposure::ExposureAuto); |
| } |
| } |
| case QCameraExposureControl::MeteringMode: |
| return QCameraExposure::MeteringMatrix; |
| default: |
| return QVariant(); |
| } |
| } |
| |
| bool CameraBinExposure::setValue(ExposureParameter parameter, const QVariant& value) |
| { |
| QVariant oldValue = actualValue(parameter); |
| |
| switch (parameter) { |
| case QCameraExposureControl::ExposureCompensation: |
| gst_photography_set_ev_compensation(m_session->photography(), value.toReal()); |
| break; |
| case QCameraExposureControl::ISO: |
| gst_photography_set_iso_speed(m_session->photography(), value.toInt()); |
| break; |
| case QCameraExposureControl::Aperture: |
| gst_photography_set_aperture(m_session->photography(), guint(value.toReal()*1000000)); |
| break; |
| case QCameraExposureControl::ShutterSpeed: |
| gst_photography_set_exposure(m_session->photography(), guint(value.toReal()*1000000)); |
| break; |
| case QCameraExposureControl::ExposureMode: |
| { |
| QCameraExposure::ExposureMode mode = value.value<QCameraExposure::ExposureMode>(); |
| GstPhotographySceneMode sceneMode; |
| |
| gst_photography_get_scene_mode(m_session->photography(), &sceneMode); |
| |
| switch (mode) { |
| case QCameraExposure::ExposureManual: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_MANUAL; |
| break; |
| case QCameraExposure::ExposurePortrait: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_PORTRAIT; |
| break; |
| case QCameraExposure::ExposureSports: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_SPORT; |
| break; |
| case QCameraExposure::ExposureNight: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_NIGHT; |
| break; |
| case QCameraExposure::ExposureAuto: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_AUTO; |
| break; |
| case QCameraExposure::ExposureLandscape: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_LANDSCAPE; |
| break; |
| #if GST_CHECK_VERSION(1, 2, 0) |
| case QCameraExposure::ExposureSnow: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_SNOW; |
| break; |
| case QCameraExposure::ExposureBeach: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_BEACH; |
| break; |
| case QCameraExposure::ExposureAction: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_ACTION; |
| break; |
| case QCameraExposure::ExposureNightPortrait: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_NIGHT_PORTRAIT; |
| break; |
| case QCameraExposure::ExposureTheatre: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_THEATRE; |
| break; |
| case QCameraExposure::ExposureSunset: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_SUNSET; |
| break; |
| case QCameraExposure::ExposureSteadyPhoto: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_STEADY_PHOTO; |
| break; |
| case QCameraExposure::ExposureFireworks: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_FIREWORKS; |
| break; |
| case QCameraExposure::ExposureParty: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_PARTY; |
| break; |
| case QCameraExposure::ExposureCandlelight: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_CANDLELIGHT; |
| break; |
| case QCameraExposure::ExposureBarcode: |
| sceneMode = GST_PHOTOGRAPHY_SCENE_MODE_BARCODE; |
| break; |
| #endif |
| default: |
| break; |
| } |
| |
| gst_photography_set_scene_mode(m_session->photography(), sceneMode); |
| break; |
| } |
| default: |
| return false; |
| } |
| |
| if (!qFuzzyCompare(m_requestedValues.value(parameter).toReal(), value.toReal())) { |
| m_requestedValues[parameter] = value; |
| emit requestedValueChanged(parameter); |
| } |
| |
| QVariant newValue = actualValue(parameter); |
| if (!qFuzzyCompare(oldValue.toReal(), newValue.toReal())) |
| emit actualValueChanged(parameter); |
| |
| return true; |
| } |
| |
| QT_END_NAMESPACE |
