Blackberry: Add camera support for BB10 platform
Reimplement all camera related controls as they are supported by the BB10 camera API. Change-Id: Ie7d2258be22c1c1821489bd7074b80cff4242afa Reviewed-by: Bernd Weimer <bweimer@rim.com> Reviewed-by: Thomas McGuire <thomas.mcguire@kdab.com>
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Tobias Koenig
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The Qt Project
The Qt Project
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234
src/plugins/blackberry/camera/bbcamerasession.h
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src/plugins/blackberry/camera/bbcamerasession.h
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/****************************************************************************
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**
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** Copyright (C) 2013 Research In Motion
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** Contact: http://www.qt-project.org/legal
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** This file is part of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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** In addition, as a special exception, Digia gives you certain additional
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef BBCAMERASESSION_H
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#define BBCAMERASESSION_H
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#include "bbmediastoragelocation.h"
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#include <QCamera>
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#include <QCameraImageCapture>
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#include <QCameraViewfinderSettingsControl>
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#include <QElapsedTimer>
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#include <QMediaRecorder>
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#include <QMutex>
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#include <QObject>
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#include <QPointer>
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#include <camera/camera_api.h>
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QT_BEGIN_NAMESPACE
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class BbCameraOrientationHandler;
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class BbCameraSession : public QObject
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{
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Q_OBJECT
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public:
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explicit BbCameraSession(QObject *parent = 0);
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~BbCameraSession();
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camera_handle_t handle() const;
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// camera control
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QCamera::State state() const;
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void setState(QCamera::State state);
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QCamera::Status status() const;
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QCamera::CaptureModes captureMode() const;
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void setCaptureMode(QCamera::CaptureModes);
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bool isCaptureModeSupported(QCamera::CaptureModes mode) const;
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// video device selector control
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static QByteArray cameraIdentifierFront();
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static QByteArray cameraIdentifierRear();
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static QByteArray cameraIdentifierDesktop();
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void setDevice(const QByteArray &device);
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QByteArray device() const;
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// video renderer control
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QAbstractVideoSurface *surface() const;
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void setSurface(QAbstractVideoSurface *surface);
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// image capture control
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bool isReadyForCapture() const;
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QCameraImageCapture::DriveMode driveMode() const;
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void setDriveMode(QCameraImageCapture::DriveMode mode);
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int capture(const QString &fileName);
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void cancelCapture();
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// capture destination control
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bool isCaptureDestinationSupported(QCameraImageCapture::CaptureDestinations destination) const;
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QCameraImageCapture::CaptureDestinations captureDestination() const;
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void setCaptureDestination(QCameraImageCapture::CaptureDestinations destination);
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// image encoder control
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QList<QSize> supportedResolutions(const QImageEncoderSettings &settings, bool *continuous) const;
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QImageEncoderSettings imageSettings() const;
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void setImageSettings(const QImageEncoderSettings &settings);
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// locks control
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enum LocksApplyMode
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{
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IndependentMode,
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FocusExposureBoundMode,
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AllBoundMode,
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FocusOnlyMode
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};
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QCamera::LockTypes supportedLocks() const;
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QCamera::LockStatus lockStatus(QCamera::LockType lock) const;
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void searchAndLock(QCamera::LockTypes locks);
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void unlock(QCamera::LockTypes locks);
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// media recorder control
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QUrl outputLocation() const;
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bool setOutputLocation(const QUrl &location);
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QMediaRecorder::State videoState() const;
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void setVideoState(QMediaRecorder::State state);
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QMediaRecorder::Status videoStatus() const;
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qint64 duration() const;
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void applySettings();
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// video encoder settings control
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QList<QSize> supportedResolutions(const QVideoEncoderSettings &settings, bool *continuous) const;
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QList<qreal> supportedFrameRates(const QVideoEncoderSettings &settings, bool *continuous) const;
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QVideoEncoderSettings videoSettings() const;
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void setVideoSettings(const QVideoEncoderSettings &settings);
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// audio encoder settings control
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QAudioEncoderSettings audioSettings() const;
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void setAudioSettings(const QAudioEncoderSettings &settings);
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// methods invoked from BB10 camera API callbacks in separated thread
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void handlePhotoViewFinderData(camera_buffer_t*);
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void handleVideoViewFinderData(camera_buffer_t*);
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Q_SIGNALS:
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// camera control
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void statusChanged(QCamera::Status);
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void stateChanged(QCamera::State);
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void error(int error, const QString &errorString);
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void captureModeChanged(QCamera::CaptureModes);
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// image capture control
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void readyForCaptureChanged(bool);
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void imageExposed(int id);
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void imageCaptured(int id, const QImage &preview);
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void imageMetadataAvailable(int id, const QString &key, const QVariant &value);
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void imageAvailable(int id, const QVideoFrame &buffer);
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void imageSaved(int id, const QString &fileName);
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void imageCaptureError(int id, int error, const QString &errorString);
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// capture destination control
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void captureDestinationChanged(QCameraImageCapture::CaptureDestinations destination);
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// locks control
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void lockStatusChanged(QCamera::LockType type, QCamera::LockStatus status, QCamera::LockChangeReason reason);
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// media recorder control
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void videoStateChanged(QMediaRecorder::State state);
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void videoStatusChanged(QMediaRecorder::Status status);
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void durationChanged(qint64 duration);
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void actualLocationChanged(const QUrl &location);
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void videoError(int error, const QString &errorString);
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private slots:
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void updateReadyForCapture();
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void imageCaptured(int, const QImage&, const QString&);
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void handleFocusStatusChanged(int);
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void handleVideoRecordingPaused();
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void handleVideoRecordingResumed();
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void deviceOrientationChanged(int);
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private:
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bool openCamera();
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void closeCamera();
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bool startViewFinder();
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void stopViewFinder();
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void applyConfiguration();
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bool startVideoRecording();
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void stopVideoRecording();
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bool isCaptureModeSupported(camera_handle_t handle, QCamera::CaptureModes mode) const;
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QList<QSize> supportedResolutions(QCamera::CaptureMode mode) const;
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QList<QSize> supportedViewfinderResolutions(QCamera::CaptureMode mode) const;
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QSize currentViewfinderResolution(QCamera::CaptureMode mode) const;
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quint32 m_nativeCameraOrientation;
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BbCameraOrientationHandler* m_orientationHandler;
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QCamera::Status m_status;
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QCamera::State m_state;
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QCamera::CaptureModes m_captureMode;
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QByteArray m_device;
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QPointer<QAbstractVideoSurface> m_surface;
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QMutex m_surfaceMutex;
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QCameraImageCapture::DriveMode m_captureImageDriveMode;
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int m_lastImageCaptureId;
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QCameraImageCapture::CaptureDestinations m_captureDestination;
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QImageEncoderSettings m_imageEncoderSettings;
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LocksApplyMode m_locksApplyMode;
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QCamera::LockStatus m_focusLockStatus;
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QCamera::LockTypes m_currentLockTypes;
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QString m_videoOutputLocation;
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QMediaRecorder::State m_videoState;
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QMediaRecorder::Status m_videoStatus;
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QElapsedTimer m_videoRecordingDuration;
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QVideoEncoderSettings m_videoEncoderSettings;
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QAudioEncoderSettings m_audioEncoderSettings;
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BbMediaStorageLocation m_mediaStorageLocation;
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camera_handle_t m_handle;
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};
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QDebug operator<<(QDebug debug, camera_error_t error);
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QT_END_NAMESPACE
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#endif
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