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60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/* FluidSynth - A Software Synthesizer
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*
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* Copyright (C) 2003 Peter Hanappe and others.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*/
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#ifndef _FLUID_CONV_H
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#define _FLUID_CONV_H
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#include "fluidsynth_priv.h"
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#define FLUID_CENTS_HZ_SIZE 1200
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#define FLUID_VEL_CB_SIZE 128
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#define FLUID_CB_AMP_SIZE 961
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#define FLUID_ATTEN_AMP_SIZE 1441
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#define FLUID_PAN_SIZE 1002
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#define FLUID_ATTEN_POWER_DEFAULT_EMU (-200.0)
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#define FLUID_ATTEN_POWER_DEFAULT_COMPLIANT (-531.509)
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void fluid_conversion_config(void);
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void fluid_conversion_set_atten_power(double atten);
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fluid_real_t fluid_ct2hz_real(fluid_real_t cents);
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fluid_real_t fluid_ct2hz(fluid_real_t cents);
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fluid_real_t fluid_cb2amp(fluid_real_t cb);
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fluid_real_t fluid_atten2amp(fluid_real_t atten);
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fluid_real_t fluid_tc2sec(fluid_real_t tc);
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fluid_real_t fluid_tc2sec_delay(fluid_real_t tc);
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fluid_real_t fluid_tc2sec_attack(fluid_real_t tc);
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fluid_real_t fluid_tc2sec_release(fluid_real_t tc);
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fluid_real_t fluid_act2hz(fluid_real_t c);
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fluid_real_t fluid_hz2ct(fluid_real_t c);
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fluid_real_t fluid_pan(fluid_real_t c, int left);
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fluid_real_t fluid_concave(fluid_real_t val);
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fluid_real_t fluid_convex(fluid_real_t val);
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extern fluid_real_t fluid_ct2hz_tab[FLUID_CENTS_HZ_SIZE];
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extern fluid_real_t fluid_vel2cb_tab[FLUID_VEL_CB_SIZE];
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extern fluid_real_t fluid_cb2amp_tab[FLUID_CB_AMP_SIZE];
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extern fluid_real_t fluid_concave_tab[128];
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extern fluid_real_t fluid_convex_tab[128];
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extern fluid_real_t fluid_pan_tab[FLUID_PAN_SIZE];
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#endif /* _FLUID_CONV_H */
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