filter_sv.h

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*****************************************************************************
   3  *
   4  *   Copyright (C) 2007,2008,2009 Nedko Arnaudov <nedko@arnaudov.name>
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; version 2 of the License
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program; if not, write to the Free Software
  17  *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  *****************************************************************************/
  20
  21 #ifndef FILTER_SV_H__9B6BCECA_4958_4B6E_A4F6_D73B442FA1B6__INCLUDED
  22 #define FILTER_SV_H__9B6BCECA_4958_4B6E_A4F6_D73B442FA1B6__INCLUDED
  23
  24 #ifdef __cplusplus
  25 extern "C" {
  26 #endif
  27 #if 0
  28 } /* Adjust editor indent */
  29 #endif
  30
  31 typedef struct _zyn_filter_sv_handle { int unused; } * zyn_filter_sv_handle;
  32
  33 bool
  34 zyn_filter_sv_create(
  35   float sample_rate,
  36   float frequency,
  37   float q_factor,
  38   zyn_filter_sv_handle * handle_ptr);
  39
  40 int
  41 zyn_filter_sv_get_type(
  42   zyn_filter_sv_handle filter_handle);
  43
  44 void
  45 zyn_filter_sv_set_type(
  46   zyn_filter_sv_handle filter_handle,
  47   int type);
  48
  49 float
  50 zyn_filter_sv_get_frequency(
  51   zyn_filter_sv_handle filter_handle);
  52
  53 void
  54 zyn_filter_sv_set_frequency(
  55   zyn_filter_sv_handle filter_handle,
  56   float frequency);
  57
  58 float
  59 zyn_filter_sv_get_q_factor(
  60   zyn_filter_sv_handle filter_handle);
  61
  62 void
  63 zyn_filter_sv_set_q_factor(
  64   zyn_filter_sv_handle filter_handle,
  65   float q_factor);
  66
  67 float
  68 zyn_filter_sv_get_frequency_tracking(
  69   zyn_filter_sv_handle filter_handle);
  70
  71 void
  72 zyn_filter_sv_set_frequency_tracking(
  73   zyn_filter_sv_handle filter_handle,
  74   float frequency_tracking);
  75
  76 float
  77 zyn_filter_sv_get_gain(
  78   zyn_filter_sv_handle filter_handle);
  79
  80 void
  81 zyn_filter_sv_set_gain(
  82   zyn_filter_sv_handle filter_handle,
  83   float gain);
  84
  85 int
  86 zyn_filter_sv_get_stages(
  87   zyn_filter_sv_handle filter_handle);
  88
  89 void
  90 zyn_filter_sv_set_stages(
  91   zyn_filter_sv_handle filter_handle,
  92   int stages);
  93
  94 void
  95 zyn_filter_sv_destroy(
  96   zyn_filter_sv_handle handle);
  97
  98 bool
  99 zyn_filter_sv_processor_create(
 100   zyn_filter_sv_handle filter_handle,
 101   zyn_filter_processor_handle * processor_handle_ptr);
 102
 103 void
 104 zyn_filter_sv_processor_destroy(
 105   zyn_filter_processor_handle processor_handle);
 106
 107 void
 108 zyn_filter_sv_processor_init(
 109   zyn_filter_processor_handle processor_handle,
 110   float note_base_frequency,
 111   float velocity_adjust);
 112
 113 void
 114 zyn_filter_sv_process(
 115   zyn_filter_processor_handle processor_handle,
 116   float frequency_adjust,       /* lfo/envelope adjust */
 117   zyn_sample_type *samples);
 118
 119 #if 0
 120 { /* Adjust editor indent */
 121 #endif
 122 #ifdef __cplusplus
 123 } /* extern "C" */
 124 #endif
 125
 126 #endif /* #ifndef FILTER_SV_H__9B6BCECA_4958_4B6E_A4F6_D73B442FA1B6__INCLUDED */