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livetrax/libs/fluidsynth/src/fluid_rev.h

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2.5 KiB
C

/* 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 Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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_REV_H
#define _FLUID_REV_H
#include "fluidsynth_priv.h"
typedef struct _fluid_revmodel_t fluid_revmodel_t;
/** Flags for fluid_revmodel_set() */
typedef enum
{
FLUID_REVMODEL_SET_ROOMSIZE = 1 << 0,
FLUID_REVMODEL_SET_DAMPING = 1 << 1,
FLUID_REVMODEL_SET_WIDTH = 1 << 2,
FLUID_REVMODEL_SET_LEVEL = 1 << 3,
/** Value for fluid_revmodel_set() which sets all reverb parameters. */
FLUID_REVMODEL_SET_ALL = FLUID_REVMODEL_SET_LEVEL
| FLUID_REVMODEL_SET_WIDTH
| FLUID_REVMODEL_SET_DAMPING
| FLUID_REVMODEL_SET_ROOMSIZE,
} fluid_revmodel_set_t;
/*
* reverb preset
*/
typedef struct _fluid_revmodel_presets_t
{
const char *name;
fluid_real_t roomsize;
fluid_real_t damp;
fluid_real_t width;
fluid_real_t level;
} fluid_revmodel_presets_t;
/*
* reverb
*/
fluid_revmodel_t *new_fluid_revmodel(fluid_real_t sample_rate);
void delete_fluid_revmodel(fluid_revmodel_t *rev);
void fluid_revmodel_processmix(fluid_revmodel_t *rev, const fluid_real_t *in,
fluid_real_t *left_out, fluid_real_t *right_out);
void fluid_revmodel_processreplace(fluid_revmodel_t *rev, const fluid_real_t *in,
fluid_real_t *left_out, fluid_real_t *right_out);
void fluid_revmodel_reset(fluid_revmodel_t *rev);
void fluid_revmodel_set(fluid_revmodel_t *rev, int set, fluid_real_t roomsize,
fluid_real_t damping, fluid_real_t width, fluid_real_t level);
void fluid_revmodel_samplerate_change(fluid_revmodel_t *rev, fluid_real_t sample_rate);
#endif /* _FLUID_REV_H */