zynadd_internal.h

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*****************************************************************************
   3  *
   4  *   Copyright (C) 2006,2007,2008,2009 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 ZYNADD_INTERNAL_H__A38C6254_E7AD_443E_AA5F_A5AB3FCB8B06__INCLUDED
  22 #define ZYNADD_INTERNAL_H__A38C6254_E7AD_443E_AA5F_A5AB3FCB8B06__INCLUDED
  23
  24 /*
  25  * The number of voices of additive synth for a single note
  26  */
  27 #define VOICES_COUNT 8
  28
  29 #define LV2DYNPARAM_PARAMETER_TYPE_BOOL               1
  30 #define LV2DYNPARAM_PARAMETER_TYPE_FLOAT              2
  31 #define LV2DYNPARAM_PARAMETER_TYPE_INT                3
  32 #define LV2DYNPARAM_PARAMETER_TYPE_ENUM               4
  33
  34 #define LV2DYNPARAM_PARAMETER_SCOPE_TYPE_ALWAYS          0 /* always visible, not interacting with other parameters */
  35 #define LV2DYNPARAM_PARAMETER_SCOPE_TYPE_SHOW_OTHER      1 /* always visible bool, when true, other param appearing */
  36 #define LV2DYNPARAM_PARAMETER_SCOPE_TYPE_HIDE_OTHER      2 /* always visible bool, when true, other param disappearing */
  37 #define LV2DYNPARAM_PARAMETER_SCOPE_TYPE_SEMI            3 /* sometimes visible parameter */
  38
  39 #define LV2DYNPARAM_GROUP_INVALID                                   -2
  40 #define LV2DYNPARAM_GROUP_ROOT                                      -1
  41
  42 #define HINT_HIDDEN           "http://home.gna.org/zynjacku/hints#hidden"
  43 #define HINT_TOGGLE_FLOAT     "http://home.gna.org/zynjacku/hints#togglefloat"
  44 #define HINT_ONE_SUBGROUP     "http://home.gna.org/zynjacku/hints#onesubgroup"
  45
  46 #include "zynadd_dynparam_forest_map.h"
  47
  48 struct zynadd_parameter
  49 {
  50   struct list_head siblings;
  51   struct zynadd * synth_ptr;
  52   zyn_addsynth_component addsynth_component;
  53   unsigned int addsynth_parameter; /* one of ZYNADD_PARAMETER_XXX */
  54   unsigned int scope;           /* one of LV2DYNPARAM_PARAMETER_SCOPE_TYPE_XXX */
  55   struct zynadd_parameter * other_parameter; /* used for bools controling other parameters appear/disappear */
  56
  57   struct zynadd_group * parent_ptr; /* NULL for parameters, children of root */
  58   const char * name_ptr;            /* parameter name, points to somewhere in forest map */
  59   unsigned int type;            /* one of LV2DYNPARAM_PARAMETER_TYPE_XXX */
  60   struct lv2dynparam_hints * hints_ptr; /* parameter hints, points to somewhere in forest map */
  61
  62   struct parameter_descriptor * map_element_ptr;
  63
  64   lv2dynparam_plugin_parameter lv2parameter;
  65 };
  66
  67 struct zynadd_group
  68 {
  69   struct list_head siblings;
  70   struct zynadd_group * parent_ptr; /* NULL for groups, children of root */
  71   const char * name_ptr;            /* group name, points to somewhere in forest map */
  72   struct lv2dynparam_hints * hints_ptr; /* group hints, points to somewhere in forest map */
  73   lv2dynparam_plugin_group lv2group;
  74 };
  75
  76 struct zyn_forest_initializer
  77 {
  78   struct zyn_forest_map * map_ptr;
  79
  80   size_t groups_count;
  81   size_t parameters_count;
  82
  83   struct zynadd_group ** groups;
  84   struct zynadd_parameter ** parameters;
  85 };
  86
  87 struct zynadd
  88 {
  89   double sample_rate;
  90   char * bundle_path;
  91   void ** ports;
  92
  93   zyn_addsynth_handle synth;
  94   zyn_addsynth_component synth_global_components[ZYNADD_GLOBAL_COMPONENTS_COUNT];
  95   zyn_addsynth_component synth_voice_components[VOICES_COUNT * ZYNADD_VOICE_COMPONENTS_COUNT];
  96
  97   zyn_sample_type synth_output_left[SOUND_BUFFER_SIZE];
  98   zyn_sample_type synth_output_right[SOUND_BUFFER_SIZE];
  99
 100   uint32_t synth_output_offset; /* offset of unread data within synth_output_xxx audio buffers */
 101
 102   lv2dynparam_plugin_instance dynparams;
 103
 104   struct list_head groups;
 105   struct list_head parameters;
 106
 107   const LV2_Feature * const * host_features;
 108 };
 109
 110 bool zynadd_dynparam_init(struct zynadd * zynadd_ptr);
 111
 112 void zynadd_dynparam_uninit(struct zynadd * zynadd_ptr);
 113
 114 bool
 115 zynadd_appear_parameter(
 116   struct zynadd * zynadd_ptr,
 117   struct zynadd_parameter * parameter_ptr);
 118
 119 #endif /* #ifndef ZYNADD_INTERNAL_H__A38C6254_E7AD_443E_AA5F_A5AB3FCB8B06__INCLUDED */