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91 lines
2.2 KiB
91 lines
2.2 KiB
/*
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* $Id$
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*
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* Copyright (C) 2002-2003 Fhg Fokus
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*
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* This file is part of sems, a free SIP media server.
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*
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* sems is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* For a license to use the sems software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* sems 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _SampleArray_h_
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#define _SampleArray_h_
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/* MUST be a power of 2 */
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#define SIZE_MIX_BUFFER (1<<14)
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/** \brief comparator for timestamps */
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struct ts_less
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{
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bool operator()(const unsigned int& l,
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const unsigned int& r) const;
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};
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/** \brief timed array of samples */
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template <typename T>
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class SampleArray
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{
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public:
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//protected:
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T samples[SIZE_MIX_BUFFER];
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unsigned int last_ts;
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bool init;
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void clear_all();
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void clear(unsigned int start_ts,unsigned int end_ts);
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void write(unsigned int ts, T* buffer, unsigned int size);
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void read(unsigned int ts, T* buffer, unsigned int size);
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//public:
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SampleArray();
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/**
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* @param size buffer size in [samples].
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*/
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void put(unsigned int ts, T* buffer, unsigned int size);
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/**
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* @param buf_size buffer size in [samples].
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*/
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void get(unsigned int ts, T* buffer, unsigned int buf_size);
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};
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// 32 bit sample
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typedef int IntSample;
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// 32 bit sample array
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typedef SampleArray<IntSample> SampleArrayInt;
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// 16 bit sample
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typedef short ShortSample;
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// 16 bit sample array
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typedef SampleArray<ShortSample> SampleArrayShort;
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typedef short ShortSample;
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#include "SampleArray.cc"
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#endif
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// Local Variables:
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// mode:C++
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// End:
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