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/*
* ***** 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 *****
*/
/** \file audaspace/intern/AUD_SequencerReader.h
* \ingroup audaspaceintern
*/
#ifndef __AUD_SEQUENCERREADER_H__
#define __AUD_SEQUENCERREADER_H__
#include "AUD_IReader.h"
#include "AUD_ReadDevice.h"
#include "AUD_Sequencer.h"
#include "AUD_SequencerHandle.h"
/**
* This reader plays back sequenced entries.
*/
class AUD_SequencerReader : public AUD_IReader
{
private:
/**
* The current position.
*/
int m_position;
/**
* The read device used to mix the sounds correctly.
*/
AUD_ReadDevice m_device;
/**
* Saves the sequence the reader belongs to.
*/
boost::shared_ptr<AUD_Sequencer> m_sequence;
/**
* The list of playback handles for the entries.
*/
std::list<boost::shared_ptr<AUD_SequencerHandle> > m_handles;
/**
* Last status read from the sequence.
*/
int m_status;
/**
* Last entry status read from the sequence.
*/
int m_entry_status;
// hide copy constructor and operator=
AUD_SequencerReader(const AUD_SequencerReader&);
AUD_SequencerReader& operator=(const AUD_SequencerReader&);
public:
/**
* Creates a resampling reader.
* \param reader The reader to mix.
* \param specs The target specification.
*/
AUD_SequencerReader(boost::shared_ptr<AUD_Sequencer> sequence, bool quality = false);
/**
* Destroys the reader.
*/
~AUD_SequencerReader();
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, bool& eos, sample_t* buffer);
};
#endif //__AUD_SEQUENCERREADER_H__
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