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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CAMERABINIMAGECAPTURECONTROL_H
#define CAMERABINIMAGECAPTURECONTROL_H
#include <qcameraimagecapturecontrol.h>
#include "camerabinsession.h"
#include <qvideosurfaceformat.h>
#include <private/qgstreamerbufferprobe_p.h>
#if GST_CHECK_VERSION(1,0,0)
#include <gst/video/video.h>
#endif
QT_BEGIN_NAMESPACE
class CameraBinImageCapture : public QCameraImageCaptureControl, public QGstreamerBusMessageFilter
{
Q_OBJECT
Q_INTERFACES(QGstreamerBusMessageFilter)
public:
CameraBinImageCapture(CameraBinSession *session);
virtual ~CameraBinImageCapture();
QCameraImageCapture::DriveMode driveMode() const override { return QCameraImageCapture::SingleImageCapture; }
void setDriveMode(QCameraImageCapture::DriveMode) override {}
bool isReadyForCapture() const override;
int capture(const QString &fileName) override;
void cancelCapture() override;
bool processBusMessage(const QGstreamerMessage &message) override;
private slots:
void updateState();
private:
#if GST_CHECK_VERSION(1,0,0)
static GstPadProbeReturn encoderEventProbe(GstPad *, GstPadProbeInfo *info, gpointer user_data);
#else
static gboolean encoderEventProbe(GstElement *, GstEvent *event, gpointer user_data);
#endif
class EncoderProbe : public QGstreamerBufferProbe
{
public:
EncoderProbe(CameraBinImageCapture *capture) : capture(capture) {}
void probeCaps(GstCaps *caps) override;
bool probeBuffer(GstBuffer *buffer) override;
private:
CameraBinImageCapture * const capture;
} m_encoderProbe;
class MuxerProbe : public QGstreamerBufferProbe
{
public:
MuxerProbe(CameraBinImageCapture *capture) : capture(capture) {}
void probeCaps(GstCaps *caps) override;
bool probeBuffer(GstBuffer *buffer) override;
private:
CameraBinImageCapture * const capture;
} m_muxerProbe;
QVideoSurfaceFormat m_bufferFormat;
QSize m_jpegResolution;
CameraBinSession *m_session;
GstElement *m_jpegEncoderElement;
GstElement *m_metadataMuxerElement;
#if GST_CHECK_VERSION(1,0,0)
GstVideoInfo m_videoInfo;
#else
int m_bytesPerLine;
#endif
int m_requestId;
bool m_ready;
};
QT_END_NAMESPACE
#endif // CAMERABINCAPTURECORNTROL_H
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