92 lines
3.2 KiB
C
92 lines
3.2 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_REV_H
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#define _FLUID_REV_H
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#include "fluidsynth_priv.h"
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typedef struct _fluid_revmodel_t fluid_revmodel_t;
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/* enum describing each reverb parameter */
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enum fluid_reverb_param
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{
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FLUID_REVERB_ROOMSIZE, /**< reverb time */
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FLUID_REVERB_DAMP, /**< high frequency damping */
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FLUID_REVERB_WIDTH, /**< stereo width */
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FLUID_REVERB_LEVEL, /**< output level */
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FLUID_REVERB_PARAM_LAST /* number of enum fluid_reverb_param */
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};
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/* return a bit flag from param: 2^param */
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#define FLUID_REVPARAM_TO_SETFLAG(param) (1 << param)
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/** Flags for fluid_revmodel_set() */
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typedef enum
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{
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FLUID_REVMODEL_SET_ROOMSIZE = FLUID_REVPARAM_TO_SETFLAG(FLUID_REVERB_ROOMSIZE),
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FLUID_REVMODEL_SET_DAMPING = FLUID_REVPARAM_TO_SETFLAG(FLUID_REVERB_DAMP),
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FLUID_REVMODEL_SET_WIDTH = FLUID_REVPARAM_TO_SETFLAG(FLUID_REVERB_WIDTH),
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FLUID_REVMODEL_SET_LEVEL = FLUID_REVPARAM_TO_SETFLAG(FLUID_REVERB_LEVEL),
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/** Value for fluid_revmodel_set() which sets all reverb parameters. */
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FLUID_REVMODEL_SET_ALL = FLUID_REVMODEL_SET_LEVEL
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| FLUID_REVMODEL_SET_WIDTH
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| FLUID_REVMODEL_SET_DAMPING
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| FLUID_REVMODEL_SET_ROOMSIZE,
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} fluid_revmodel_set_t;
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/*
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* reverb preset
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*/
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typedef struct _fluid_revmodel_presets_t
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{
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const char *name;
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fluid_real_t roomsize;
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fluid_real_t damp;
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fluid_real_t width;
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fluid_real_t level;
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} fluid_revmodel_presets_t;
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/*
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* reverb
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*/
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fluid_revmodel_t *
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new_fluid_revmodel(fluid_real_t sample_rate_max, fluid_real_t sample_rate);
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void delete_fluid_revmodel(fluid_revmodel_t *rev);
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void fluid_revmodel_processmix(fluid_revmodel_t *rev, const fluid_real_t *in,
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fluid_real_t *left_out, fluid_real_t *right_out);
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void fluid_revmodel_processreplace(fluid_revmodel_t *rev, const fluid_real_t *in,
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fluid_real_t *left_out, fluid_real_t *right_out);
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void fluid_revmodel_reset(fluid_revmodel_t *rev);
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void fluid_revmodel_set(fluid_revmodel_t *rev, int set, fluid_real_t roomsize,
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fluid_real_t damping, fluid_real_t width, fluid_real_t level);
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int fluid_revmodel_samplerate_change(fluid_revmodel_t *rev, fluid_real_t sample_rate);
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#endif /* _FLUID_REV_H */
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