QStreamer/include/qsinkpin.h

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#pragma once

// QStreamer
//  A GStreamer replacement for Qt.
//
// Authors :
//     Darren R. Starr <submux at gmail dot com>
//
// Copyright :   2010 The QStreamer Project
// License :     BSD (until we're informed that we're in violation of some other license)
// Donations :   Appreciated and possible through SourceForge donation page.
// 
// All code included in this project can be used freely in whatever way the user feels fit.
// If you want to take it, close it and be a weasel that doesn't even contribute back patches,
// so be it. Patches are however appreciated. Wrappers for other open source components are
// also appreciated.
//
// If you wish to be nice to us so we can see how our code is being used. Drop us a mail and let us
// know you're using it in your project.
//
// Support : By default the support is "you get what you pay for". Paid nothing, there's no implied
//           requirement to support you. On the other hand, some project developers are likely to 
//           make fixes, changes, features on request or contract.
//
// Enjoy

#include "qpin.h"

namespace QStreamer
{
        class QSinkPin : public QPin
        {
                friend class QSourcePin;

        public:
                QSinkPin(const QString &name, QElement *parent);

                virtual ~QSinkPin();

                class QSourcePin *connectedTo();

        protected:
                bool connectTo(class QSourcePin *sourcePin);

                virtual void pushBuffer(class QMediaBuffer *buffer) = 0;

                virtual class QMediaBuffer *allocateBuffer(quint64 size, quint32 type='unkn') = 0;

        private:
                class QSourcePin *m_connectedTo;
        };
}