From 76288efeead86fd5799d9771e50bf3222aaa8e71 Mon Sep 17 00:00:00 2001 From: Bent Bisballe Nyeng Date: Sun, 3 Nov 2019 15:36:47 +0100 Subject: Import from zita-resampler-1.6.0.tar.bz2 --- libs/zita-resampler/resampler-table.h | 80 +++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 libs/zita-resampler/resampler-table.h (limited to 'libs/zita-resampler/resampler-table.h') diff --git a/libs/zita-resampler/resampler-table.h b/libs/zita-resampler/resampler-table.h new file mode 100644 index 0000000..22e694a --- /dev/null +++ b/libs/zita-resampler/resampler-table.h @@ -0,0 +1,80 @@ +// ---------------------------------------------------------------------------- +// +// Copyright (C) 2006-2012 Fons Adriaensen +// +// This program 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 3 of the License, or +// (at your option) any later version. +// +// This program 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 this program. If not, see . +// +// ---------------------------------------------------------------------------- + + +#ifndef __RESAMPLER_TABLE_H +#define __RESAMPLER_TABLE_H + + +#include + + +#define ZITA_RESAMPLER_MAJOR_VERSION 1 +#define ZITA_RESAMPLER_MINOR_VERSION 6 + + +extern int zita_resampler_major_version (void); +extern int zita_resampler_minor_version (void); + + +class Resampler_mutex +{ +private: + + friend class Resampler_table; + + Resampler_mutex (void) { pthread_mutex_init (&_mutex, 0); } + ~Resampler_mutex (void) { pthread_mutex_destroy (&_mutex); } + void lock (void) { pthread_mutex_lock (&_mutex); } + void unlock (void) { pthread_mutex_unlock (&_mutex); } + + pthread_mutex_t _mutex; +}; + + +class Resampler_table +{ +public: + + static void print_list (void); + +private: + + Resampler_table (double fr, unsigned int hl, unsigned int np); + ~Resampler_table (void); + + friend class Resampler; + friend class VResampler; + + Resampler_table *_next; + unsigned int _refc; + float *_ctab; + double _fr; + unsigned int _hl; + unsigned int _np; + + static Resampler_table *create (double fr, unsigned int hl, unsigned int np); + static void destroy (Resampler_table *T); + + static Resampler_table *_list; + static Resampler_mutex _mutex; +}; + + +#endif -- cgit v1.2.3