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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 QGSTAPPSRC_H
#define QGSTAPPSRC_H
#include <QtCore/qobject.h>
#include <QtCore/qiodevice.h>
#include <gst/gst.h>
#include <gst/app/gstappsrc.h>
#include <gst/app/gstappbuffer.h>
class QGstAppSrc : public QObject
{
Q_OBJECT
public:
QGstAppSrc(QObject *parent = 0);
~QGstAppSrc();
bool setup(GstElement *);
bool isReady() const { return m_setup; }
void setStream(QIODevice *);
QIODevice *stream() const;
GstAppSrc *element();
qint64 queueSize() const { return m_maxBytes; }
bool& enoughData() { return m_enoughData; }
bool& dataRequested() { return m_dataRequested; }
unsigned int& dataRequestSize() { return m_dataRequestSize; }
bool isStreamValid() const
{
return m_stream != 0 &&
m_stream->isOpen();
}
private slots:
void pushDataToAppSrc();
bool doSeek(qint64);
void onDataReady();
void streamDestroyed();
private:
static gboolean on_seek_data(GstAppSrc *element, guint64 arg0, gpointer userdata);
static void on_enough_data(GstAppSrc *element, gpointer userdata);
static void on_need_data(GstAppSrc *element, uint arg0, gpointer userdata);
static void destroy_notify(gpointer data);
void sendEOS();
QIODevice *m_stream;
GstAppSrc *m_appSrc;
bool m_sequential;
GstAppStreamType m_streamType;
GstAppSrcCallbacks m_callbacks;
qint64 m_maxBytes;
bool m_setup;
unsigned int m_dataRequestSize;
bool m_dataRequested;
bool m_enoughData;
bool m_forceData;
};
#endif
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