71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
// ----------------------------------------------------------------------------
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//
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// Copyright (C) 2006-2012 Fons Adriaensen <fons@linuxaudio.org>
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//
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// This program 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 3 of the License, or
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// (at your option) any later version.
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//
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// This program 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, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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#ifndef _ZITA_RESAMPLER_TABLE_H_
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#define _ZITA_RESAMPLER_TABLE_H_
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#include <pthread.h>
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#include "zita-resampler/zresampler_visibility.h"
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namespace ArdourZita {
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class LIBZRESAMPLER_API Resampler_mutex
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{
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private:
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friend class Resampler_table;
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Resampler_mutex (void) { pthread_mutex_init (&_mutex, 0); }
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~Resampler_mutex (void) { pthread_mutex_destroy (&_mutex); }
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void lock (void) { pthread_mutex_lock (&_mutex); }
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void unlock (void) { pthread_mutex_unlock (&_mutex); }
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pthread_mutex_t _mutex;
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};
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class LIBZRESAMPLER_API Resampler_table
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{
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private:
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Resampler_table (double fr, unsigned int hl, unsigned int np);
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~Resampler_table (void);
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friend class Resampler;
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friend class VResampler;
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friend class VMResampler;
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Resampler_table *_next;
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unsigned int _refc;
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float *_ctab;
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double _fr;
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unsigned int _hl;
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unsigned int _np;
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static Resampler_table *create (double fr, unsigned int hl, unsigned int np);
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static void destroy (Resampler_table *T);
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static Resampler_table *_list;
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static Resampler_mutex _mutex;
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};
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};
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#endif
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