AUD_SequencerReader.h

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/*
 * $Id: AUD_SequencerReader.h 35141 2011-02-25 10:21:56Z jesterking $
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * Copyright 2009-2011 Jörg Hermann Müller
 *
 * This file is part of AudaSpace.
 *
 * Audaspace is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * AudaSpace is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Audaspace; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef AUD_SEQUENCERREADER
#define AUD_SEQUENCERREADER

#include "AUD_IReader.h"
#include "AUD_SequencerFactory.h"
#include "AUD_Buffer.h"
class AUD_Mixer;

struct AUD_SequencerStrip
{
        AUD_IFactory* old_sound;
        AUD_IReader* reader;
        AUD_SequencerEntry* entry;
};

class AUD_SequencerReader : public AUD_IReader
{
private:
        int m_position;

        AUD_Buffer m_buffer;

        AUD_Mixer* m_mixer;

        AUD_SequencerFactory* m_factory;

        std::list<AUD_SequencerStrip*> m_strips;

        void* m_data;
        AUD_volumeFunction m_volume;

        // hide copy constructor and operator=
        AUD_SequencerReader(const AUD_SequencerReader&);
        AUD_SequencerReader& operator=(const AUD_SequencerReader&);

public:
        AUD_SequencerReader(AUD_SequencerFactory* factory, std::list<AUD_SequencerEntry*> &entries, const AUD_Specs specs, void* data, AUD_volumeFunction volume);

        ~AUD_SequencerReader();

        void destroy();

        void add(AUD_SequencerEntry* entry);
        void remove(AUD_SequencerEntry* entry);

        virtual bool isSeekable() const;
        virtual void seek(int position);
        virtual int getLength() const;
        virtual int getPosition() const;
        virtual AUD_Specs getSpecs() const;
        virtual void read(int & length, sample_t* & buffer);
};

#endif //AUD_SEQUENCERREADER