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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 QGSTAPPSRC_H
#define QGSTAPPSRC_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <private/qgsttools_global_p.h>
#include <QtCore/qobject.h>
#include <QtCore/qiodevice.h>
#include <gst/gst.h>
#include <gst/app/gstappsrc.h>
#if GST_VERSION_MAJOR < 1
#include <gst/app/gstappbuffer.h>
#endif
QT_BEGIN_NAMESPACE
class Q_GSTTOOLS_EXPORT QGstAppSrc : public QObject
{
Q_OBJECT
public:
QGstAppSrc(QObject *parent = 0);
~QGstAppSrc();
bool setup(GstElement *);
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 = nullptr;
GstAppSrc *m_appSrc = nullptr;
bool m_sequential = false;
GstAppStreamType m_streamType = GST_APP_STREAM_TYPE_RANDOM_ACCESS;
GstAppSrcCallbacks m_callbacks;
qint64 m_maxBytes = 0;
unsigned int m_dataRequestSize = ~0;
bool m_dataRequested = false;
bool m_enoughData = false;
bool m_forceData = false;
};
QT_END_NAMESPACE
#endif
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