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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CAMERABINCAPTURESESSION_MAEMO_H
#define CAMERABINCAPTURESESSION_MAEMO_H
#include <qmediarecordercontrol.h>
#include <QtCore/qurl.h>
#include <QtCore/qdir.h>
#include <gst/gst.h>
#include <gst/interfaces/photography.h>
#include "qgstreamerbushelper.h"
#include "qcamera.h"
class QGstreamerMessage;
class QGstreamerBusHelper;
class CameraBinAudioEncoder;
class CameraBinVideoEncoder;
class CameraBinImageEncoder;
class CameraBinRecorder;
class CameraBinContainer;
class CameraBinExposure;
class CameraBinFlash;
class CameraBinFocus;
class CameraBinImageProcessing;
class CameraBinLocks;
class CameraBinCaptureDestination;
class CameraBinCaptureBufferFormat;
class QGstreamerVideoRendererInterface;
class QGstreamerElementFactory
{
public:
virtual GstElement *buildElement() = 0;
};
class CameraBinSession : public QObject,
public QGstreamerBusMessageFilter,
public QGstreamerSyncMessageFilter
{
Q_OBJECT
Q_PROPERTY(qint64 duration READ duration NOTIFY durationChanged)
Q_INTERFACES(QGstreamerBusMessageFilter QGstreamerSyncMessageFilter)
public:
enum CameraRole {
FrontCamera, // Secondary camera
BackCamera // Main photo camera
};
CameraBinSession(QObject *parent);
~CameraBinSession();
GstPhotography *photography();
GstElement *cameraBin() { return m_pipeline; }
QGstreamerBusHelper *bus() { return m_busHelper; }
CameraRole cameraRole() const;
QList< QPair<int,int> > supportedFrameRates(const QSize &frameSize, bool *continuous) const;
QList<QSize> supportedResolutions( QPair<int,int> rate, bool *continuous, QCamera::CaptureMode mode) const;
QCamera::CaptureMode captureMode() { return m_captureMode; }
void setCaptureMode(QCamera::CaptureMode mode);
QUrl outputLocation() const;
bool setOutputLocation(const QUrl& sink);
QDir defaultDir(QCamera::CaptureMode mode) const;
QString generateFileName(const QString &prefix, const QDir &dir, const QString &ext) const;
CameraBinAudioEncoder *audioEncodeControl() const { return m_audioEncodeControl; }
CameraBinVideoEncoder *videoEncodeControl() const { return m_videoEncodeControl; }
CameraBinImageEncoder *imageEncodeControl() const { return m_imageEncodeControl; }
CameraBinExposure *cameraExposureControl() const { return m_cameraExposureControl; }
CameraBinFlash *cameraFlashControl() const { return m_cameraFlashControl; }
CameraBinFocus *cameraFocusControl() const { return m_cameraFocusControl; }
CameraBinImageProcessing *imageProcessingControl() const { return m_imageProcessingControl; }
CameraBinLocks *cameraLocksControl() const { return m_cameraLocksControl; }
CameraBinCaptureDestination *captureDestinationControl() const { return m_captureDestinationControl; }
CameraBinCaptureBufferFormat *captureBufferFormatControl() const { return m_captureBufferFormatControl; }
CameraBinRecorder *recorderControl() const { return m_recorderControl; }
CameraBinContainer *mediaContainerControl() const { return m_mediaContainerControl; }
QGstreamerElementFactory *audioInput() const { return m_audioInputFactory; }
void setAudioInput(QGstreamerElementFactory *audioInput);
QGstreamerElementFactory *videoInput() const { return m_videoInputFactory; }
void setVideoInput(QGstreamerElementFactory *videoInput);
bool isReady() const;
QObject *viewfinder() const { return m_viewfinder; }
void setViewfinder(QObject *viewfinder);
void captureImage(int requestId, const QString &fileName);
QCamera::State state() const;
bool isBusy() const;
qint64 duration() const;
void recordVideo();
void pauseVideoRecording();
void resumeVideoRecording();
void stopVideoRecording();
bool isMuted() const;
bool processSyncMessage(const QGstreamerMessage &message);
bool processBusMessage(const QGstreamerMessage &message);
signals:
void stateChanged(QCamera::State state);
void durationChanged(qint64 duration);
void error(int error, const QString &errorString);
void imageExposed(int requestId);
void imageCaptured(int requestId, const QImage &img);
void mutedChanged(bool);
void viewfinderChanged();
void readyChanged(bool);
void busyChanged(bool);
public slots:
void setDevice(const QString &device);
void setState(QCamera::State);
void setCaptureDevice(const QString &deviceName);
void setMetaData(const QMap<QByteArray, QVariant>&);
void setMuted(bool);
private slots:
void handleViewfinderChange();
private:
bool setupCameraBin();
void setupCaptureResolution();
void updateVideoSourceCaps();
GstElement *buildVideoSrc();
static void updateBusyStatus(GObject *o, GParamSpec *p, gpointer d);
QUrl m_sink;
QUrl m_actualSink;
bool m_recordingActive;
QString m_captureDevice;
QCamera::State m_state;
QCamera::State m_pendingState;
QString m_inputDevice;
bool m_pendingResolutionUpdate;
bool m_muted;
bool m_busy;
QCamera::CaptureMode m_captureMode;
QMap<QByteArray, QVariant> m_metaData;
QGstreamerElementFactory *m_audioInputFactory;
QGstreamerElementFactory *m_videoInputFactory;
QObject *m_viewfinder;
QGstreamerVideoRendererInterface *m_viewfinderInterface;
CameraBinAudioEncoder *m_audioEncodeControl;
CameraBinVideoEncoder *m_videoEncodeControl;
CameraBinImageEncoder *m_imageEncodeControl;
CameraBinRecorder *m_recorderControl;
CameraBinContainer *m_mediaContainerControl;
CameraBinExposure *m_cameraExposureControl;
CameraBinFlash *m_cameraFlashControl;
CameraBinFocus *m_cameraFocusControl;
CameraBinImageProcessing *m_imageProcessingControl;
CameraBinLocks *m_cameraLocksControl;
CameraBinCaptureDestination *m_captureDestinationControl;
CameraBinCaptureBufferFormat *m_captureBufferFormatControl;
QGstreamerBusHelper *m_busHelper;
GstBus* m_bus;
GstElement *m_pipeline;
GstElement *m_videoSrc;
GstElement *m_viewfinderElement;
bool m_viewfinderHasChanged;
bool m_videoInputHasChanged;
GstCaps *m_sourceCaps;
GstElement *m_audioSrc;
GstElement *m_audioConvert;
GstElement *m_capsFilter;
GstElement *m_fileSink;
GstElement *m_audioEncoder;
GstElement *m_muxer;
public:
QString m_imageFileName;
int m_requestId;
};
#endif // CAMERABINCAPTURESESSION_MAEMO_H
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