blender/intern/audaspace/FX/AUD_LimiterReader.h

72 lines
1.9 KiB
C++

/*
* ***** 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/FX/AUD_LimiterReader.h
* \ingroup audfx
*/
#ifndef AUD_LIMITERREADER
#define AUD_LIMITERREADER
#include "AUD_EffectReader.h"
/**
* This reader limits another reader in start and end times.
*/
class AUD_LimiterReader : public AUD_EffectReader
{
private:
/**
* The start sample: inclusive.
*/
const float m_start;
/**
* The end sample: exlusive.
*/
const float m_end;
// hide copy constructor and operator=
AUD_LimiterReader(const AUD_LimiterReader&);
AUD_LimiterReader& operator=(const AUD_LimiterReader&);
public:
/**
* Creates a new limiter reader.
* \param reader The reader to read from.
* \param start The desired start time (inclusive).
* \param end The desired end time (sample exklusive), a negative value
* signals that it should play to the end.
*/
AUD_LimiterReader(AUD_Reference<AUD_IReader> reader, float start = 0, float end = -1);
virtual void seek(int position);
virtual int getLength() const;
virtual int getPosition() const;
virtual void read(int& length, bool& eos, sample_t* buffer);
};
#endif //AUD_LIMITERREADER