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Diffstat (limited to 'libs/fluidsynth/src/fluid_conv.h')
| -rw-r--r-- | libs/fluidsynth/src/fluid_conv.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/libs/fluidsynth/src/fluid_conv.h b/libs/fluidsynth/src/fluid_conv.h new file mode 100644 index 0000000000..29793c3359 --- /dev/null +++ b/libs/fluidsynth/src/fluid_conv.h @@ -0,0 +1,63 @@ +/* FluidSynth - A Software Synthesizer + * + * Copyright (C) 2003 Peter Hanappe and others. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public License + * as published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA + */ + +#ifndef _FLUID_CONV_H +#define _FLUID_CONV_H + +#include "fluidsynth_priv.h" + +#define FLUID_CENTS_HZ_SIZE 1200 +#define FLUID_VEL_CB_SIZE 128 +#define FLUID_CB_AMP_SIZE 961 +#define FLUID_ATTEN_AMP_SIZE 1441 +#define FLUID_PAN_SIZE 1002 + +/* EMU 8k/10k don't follow spec in regards to volume attenuation. + * This factor is used in the equation pow (10.0, cb / FLUID_ATTEN_POWER_FACTOR). + * By the standard this should be -200.0. */ +/* 07/11/2008 modified by S. Christian Collins for increased velocity sensitivity. Now it equals the response of EMU10K1 programming.*/ +#define FLUID_ATTEN_POWER_FACTOR (-200.0) /* was (-531.509)*/ + +void fluid_conversion_config(void); + +fluid_real_t fluid_ct2hz_real(fluid_real_t cents); +fluid_real_t fluid_ct2hz(fluid_real_t cents); +fluid_real_t fluid_cb2amp(fluid_real_t cb); +fluid_real_t fluid_atten2amp(fluid_real_t atten); +fluid_real_t fluid_tc2sec(fluid_real_t tc); +fluid_real_t fluid_tc2sec_delay(fluid_real_t tc); +fluid_real_t fluid_tc2sec_attack(fluid_real_t tc); +fluid_real_t fluid_tc2sec_release(fluid_real_t tc); +fluid_real_t fluid_act2hz(fluid_real_t c); +fluid_real_t fluid_hz2ct(fluid_real_t c); +fluid_real_t fluid_pan(fluid_real_t c, int left); +fluid_real_t fluid_concave(fluid_real_t val); +fluid_real_t fluid_convex(fluid_real_t val); + +extern fluid_real_t fluid_ct2hz_tab[FLUID_CENTS_HZ_SIZE]; +extern fluid_real_t fluid_vel2cb_tab[FLUID_VEL_CB_SIZE]; +extern fluid_real_t fluid_cb2amp_tab[FLUID_CB_AMP_SIZE]; +extern fluid_real_t fluid_posbp_tab[128]; +extern fluid_real_t fluid_concave_tab[128]; +extern fluid_real_t fluid_convex_tab[128]; +extern fluid_real_t fluid_pan_tab[FLUID_PAN_SIZE]; + + +#endif /* _FLUID_CONV_H */ |