libs/fluidsynth/src/fluid_rev.h

   1 /* FluidSynth - A Software Synthesizer
   2  *
   3  * Copyright (C) 2003  Peter Hanappe and others.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public License
   7  * as published by the Free Software Foundation; either version 2.1 of
   8  * the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free
  17  * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  18  * 02110-1301, USA
  19  */
  20
  21
  22 #ifndef _FLUID_REV_H
  23 #define _FLUID_REV_H
  24
  25 #include "fluidsynth_priv.h"
  26
  27 typedef struct _fluid_revmodel_t fluid_revmodel_t;
  28
  29
  30 /** Flags for fluid_revmodel_set() */
  31 typedef enum
  32 {
  33     FLUID_REVMODEL_SET_ROOMSIZE       = 1 << 0,
  34     FLUID_REVMODEL_SET_DAMPING        = 1 << 1,
  35     FLUID_REVMODEL_SET_WIDTH          = 1 << 2,
  36     FLUID_REVMODEL_SET_LEVEL          = 1 << 3,
  37
  38     /** Value for fluid_revmodel_set() which sets all reverb parameters. */
  39     FLUID_REVMODEL_SET_ALL            =   FLUID_REVMODEL_SET_LEVEL
  40                                           | FLUID_REVMODEL_SET_WIDTH
  41                                           | FLUID_REVMODEL_SET_DAMPING
  42                                           | FLUID_REVMODEL_SET_ROOMSIZE,
  43 } fluid_revmodel_set_t;
  44
  45 /*
  46  * reverb preset
  47  */
  48 typedef struct _fluid_revmodel_presets_t
  49 {
  50     const char *name;
  51     fluid_real_t roomsize;
  52     fluid_real_t damp;
  53     fluid_real_t width;
  54     fluid_real_t level;
  55 } fluid_revmodel_presets_t;
  56
  57
  58 /*
  59  * reverb
  60  */
  61 fluid_revmodel_t *new_fluid_revmodel(fluid_real_t sample_rate);
  62 void delete_fluid_revmodel(fluid_revmodel_t *rev);
  63
  64 void fluid_revmodel_processmix(fluid_revmodel_t *rev, fluid_real_t *in,
  65                                fluid_real_t *left_out, fluid_real_t *right_out);
  66
  67 void fluid_revmodel_processreplace(fluid_revmodel_t *rev, fluid_real_t *in,
  68                                    fluid_real_t *left_out, fluid_real_t *right_out);
  69
  70 void fluid_revmodel_reset(fluid_revmodel_t *rev);
  71
  72 void fluid_revmodel_set(fluid_revmodel_t *rev, int set, fluid_real_t roomsize,
  73                         fluid_real_t damping, fluid_real_t width, fluid_real_t level);
  74
  75 void fluid_revmodel_samplerate_change(fluid_revmodel_t *rev, fluid_real_t sample_rate);
  76
  77 #endif /* _FLUID_REV_H */