Blender  V2.59
AUD_LinearResampleReader.h
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00001 /*
00002  * $Id: AUD_LinearResampleReader.h 35141 2011-02-25 10:21:56Z jesterking $
00003  *
00004  * ***** BEGIN GPL LICENSE BLOCK *****
00005  *
00006  * Copyright 2009-2011 Jörg Hermann Müller
00007  *
00008  * This file is part of AudaSpace.
00009  *
00010  * Audaspace is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2 of the License, or
00013  * (at your option) any later version.
00014  *
00015  * AudaSpace is distributed in the hope that it will be useful,
00016  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  * GNU General Public License for more details.
00019  *
00020  * You should have received a copy of the GNU General Public License
00021  * along with Audaspace; if not, write to the Free Software Foundation,
00022  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00023  *
00024  * ***** END GPL LICENSE BLOCK *****
00025  */
00026 
00032 #ifndef AUD_LINEARRESAMPLEREADER
00033 #define AUD_LINEARRESAMPLEREADER
00034 
00035 #include "AUD_EffectReader.h"
00036 #include "AUD_Buffer.h"
00037 
00041 class AUD_LinearResampleReader : public AUD_EffectReader
00042 {
00043 private:
00047         const AUD_Specs m_sspecs;
00048 
00052         const float m_factor;
00053 
00057         AUD_Specs m_tspecs;
00058 
00062         int m_position;
00063 
00067         int m_sposition;
00068 
00072         AUD_Buffer m_buffer;
00073 
00077         AUD_Buffer m_cache;
00078 
00079         // hide copy constructor and operator=
00080         AUD_LinearResampleReader(const AUD_LinearResampleReader&);
00081         AUD_LinearResampleReader& operator=(const AUD_LinearResampleReader&);
00082 
00083 public:
00089         AUD_LinearResampleReader(AUD_IReader* reader, AUD_Specs specs);
00090 
00091         virtual void seek(int position);
00092         virtual int getLength() const;
00093         virtual int getPosition() const;
00094         virtual AUD_Specs getSpecs() const;
00095         virtual void read(int & length, sample_t* & buffer);
00096 };
00097 
00098 #endif //AUD_LINEARRESAMPLEREADER