forked from bartvdbraak/blender
87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
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/*
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* $Id$
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*
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* ***** BEGIN LGPL LICENSE BLOCK *****
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*
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* Copyright 2009 Jörg Hermann Müller
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*
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* This file is part of AudaSpace.
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*
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* AudaSpace is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* AudaSpace is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
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*
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* ***** END LGPL LICENSE BLOCK *****
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*/
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#ifndef AUD_FADERREADER
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#define AUD_FADERREADER
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#include "AUD_EffectReader.h"
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#include "AUD_ConverterFunctions.h"
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class AUD_Buffer;
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/**
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* This class fades another reader.
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* If the fading type is AUD_FADE_IN, everything before the fading start will be
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* silenced, for AUD_FADE_OUT that's true for everything after fading ends.
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*/
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class AUD_FaderReader : public AUD_EffectReader
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{
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private:
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/**
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* The playback buffer.
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*/
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AUD_Buffer *m_buffer;
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/**
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* The fading type.
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*/
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AUD_FadeType m_type;
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/**
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* The fading start.
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*/
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float m_start;
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/**
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* The fading length.
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*/
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float m_length;
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/**
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* Volume adjustment function.
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*/
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AUD_volume_adjust_f m_adjust;
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public:
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/**
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* Creates a new fader reader.
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* \param type The fading type.
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* \param start The time where fading should start in seconds.
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* \param length How long fading should last in seconds.
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* \exception AUD_Exception Thrown if the reader specified is NULL.
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*/
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AUD_FaderReader(AUD_IReader* reader, AUD_FadeType type,
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float start,float length);
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/**
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* Destroys the reader.
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*/
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virtual ~AUD_FaderReader();
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virtual bool notify(AUD_Message &message);
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virtual void read(int & length, sample_t* & buffer);
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};
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#endif //AUD_FADERREADER
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