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    15. 

  15. <h1>src/fluid_synth.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* FluidSynth - A Software Synthesizer</span>
    16. 

  16. <a name="l00002"></a>00002 <span class="comment"> *</span>
    17. 

  17. <a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 2003  Peter Hanappe and others.</span>
    18. 

  18. <a name="l00004"></a>00004 <span class="comment"> *</span>
    19. 

  19. <a name="l00005"></a>00005 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
    20. 

  20. <a name="l00006"></a>00006 <span class="comment"> * modify it under the terms of the GNU Library General Public License</span>
    21. 

  21. <a name="l00007"></a>00007 <span class="comment"> * as published by the Free Software Foundation; either version 2 of</span>
    22. 

  22. <a name="l00008"></a>00008 <span class="comment"> * the License, or (at your option) any later version.</span>
    23. 

  23. <a name="l00009"></a>00009 <span class="comment"> *</span>
    24. 

  24. <a name="l00010"></a>00010 <span class="comment"> * This library is distributed in the hope that it will be useful, but</span>
    25. 

  25. <a name="l00011"></a>00011 <span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span>
    26. 

  26. <a name="l00012"></a>00012 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
    27. 

  27. <a name="l00013"></a>00013 <span class="comment"> * Library General Public License for more details.</span>
    28. 

  28. <a name="l00014"></a>00014 <span class="comment"> *</span>
    29. 

  29. <a name="l00015"></a>00015 <span class="comment"> * You should have received a copy of the GNU Library General Public</span>
    30. 

  30. <a name="l00016"></a>00016 <span class="comment"> * License along with this library; if not, write to the Free</span>
    31. 

  31. <a name="l00017"></a>00017 <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA</span>
    32. 

  32. <a name="l00018"></a>00018 <span class="comment"> * 02111-1307, USA</span>
    33. 

  33. <a name="l00019"></a>00019 <span class="comment"> */</span>
    34. 

  34. <a name="l00020"></a>00020 
    35. 

  35. <a name="l00021"></a>00021 <span class="preprocessor">#include &lt;math.h&gt;</span>
    36. 

  36. <a name="l00022"></a>00022 
    37. 

  37. <a name="l00023"></a>00023 <span class="preprocessor">#include "fluid_synth.h"</span>
    38. 

  38. <a name="l00024"></a>00024 <span class="preprocessor">#include "fluid_sys.h"</span>
    39. 

  39. <a name="l00025"></a>00025 <span class="preprocessor">#include "fluid_chan.h"</span>
    40. 

  40. <a name="l00026"></a>00026 <span class="preprocessor">#include "fluid_tuning.h"</span>
    41. 

  41. <a name="l00027"></a>00027 <span class="preprocessor">#include "fluid_settings.h"</span>
    42. 

  42. <a name="l00028"></a>00028 <span class="preprocessor">#include "fluid_sfont.h"</span>
    43. 

  43. <a name="l00029"></a>00029 
    44. 

  44. <a name="l00030"></a>00030 <span class="preprocessor">#ifdef TRAP_ON_FPE</span>
    45. 

  45. <a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#define _GNU_SOURCE</span>
    46. 

  46. <a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#include &lt;fenv.h&gt;</span>
    47. 

  47. <a name="l00033"></a>00033 
    48. 

  48. <a name="l00034"></a>00034 <span class="comment">/* seems to not be declared in fenv.h */</span>
    49. 

  49. <a name="l00035"></a>00035 <span class="keyword">extern</span> <span class="keywordtype">int</span> feenableexcept (<span class="keywordtype">int</span> excepts);
    50. 

  50. <a name="l00036"></a>00036 <span class="preprocessor">#endif</span>
    51. 

  51. <a name="l00037"></a>00037 <span class="preprocessor"></span>
    52. 

  52. <a name="l00038"></a>00038 
    53. 

  53. <a name="l00039"></a>00039 <a class="code" href="struct__fluid__sfloader__t.html">fluid_sfloader_t</a>* new_fluid_defsfloader(<span class="keywordtype">void</span>);
    54. 

  54. <a name="l00040"></a>00040 
    55. 

  55. <a name="l00041"></a>00041 <span class="comment">/************************************************************************</span>
    56. 

  56. <a name="l00042"></a>00042 <span class="comment"> *</span>
    57. 

  57. <a name="l00043"></a>00043 <span class="comment"> * These functions were added after the v1.0 API freeze. They are not</span>
    58. 

  58. <a name="l00044"></a>00044 <span class="comment"> * in synth.h. They should be added as soon as a new development</span>
    59. 

  59. <a name="l00045"></a>00045 <span class="comment"> * version is started.</span>
    60. 

  60. <a name="l00046"></a>00046 <span class="comment"> *</span>
    61. 

  61. <a name="l00047"></a>00047 <span class="comment"> ************************************************************************/</span>
    62. 

  62. <a name="l00048"></a>00048 
    63. 

  63. <a name="l00049"></a>00049 <span class="keywordtype">int</span> fluid_synth_program_select2(fluid_synth_t* synth,
    64. 

  64. <a name="l00050"></a>00050                                 <span class="keywordtype">int</span> chan,
    65. 

  65. <a name="l00051"></a>00051                                 <span class="keywordtype">char</span>* sfont_name,
    66. 

  66. <a name="l00052"></a>00052                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bank_num,
    67. 

  67. <a name="l00053"></a>00053                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> preset_num);
    68. 

  68. <a name="l00054"></a>00054 
    69. 

  69. <a name="l00055"></a>00055 <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* fluid_synth_get_sfont_by_name(fluid_synth_t* synth, <span class="keywordtype">char</span> *name);
    70. 

  70. <a name="l00056"></a>00056 
    71. 

  71. <a name="l00057"></a>00057 <span class="keywordtype">int</span> fluid_synth_set_gen2(fluid_synth_t* synth, <span class="keywordtype">int</span> chan,
    72. 

  72. <a name="l00058"></a>00058                          <span class="keywordtype">int</span> param, <span class="keywordtype">float</span> value,
    73. 

  73. <a name="l00059"></a>00059                          <span class="keywordtype">int</span> absolute, <span class="keywordtype">int</span> normalized);
    74. 

  74. <a name="l00060"></a>00060 
    75. 

  75. <a name="l00061"></a>00061 
    76. 

  76. <a name="l00062"></a>00062 <span class="comment">/***************************************************************</span>
    77. 

  77. <a name="l00063"></a>00063 <span class="comment"> *</span>
    78. 

  78. <a name="l00064"></a>00064 <span class="comment"> *                         GLOBAL</span>
    79. 

  79. <a name="l00065"></a>00065 <span class="comment"> */</span>
    80. 

  80. <a name="l00066"></a>00066 
    81. 

  81. <a name="l00067"></a>00067 <span class="comment">/* has the synth module been initialized? */</span>
    82. 

  82. <a name="l00068"></a>00068 <span class="keyword">static</span> <span class="keywordtype">int</span> fluid_synth_initialized = 0;
    83. 

  83. <a name="l00069"></a>00069 <span class="keyword">static</span> <span class="keywordtype">void</span> fluid_synth_init(<span class="keywordtype">void</span>);
    84. 

  84. <a name="l00070"></a>00070 <span class="keyword">static</span> <span class="keywordtype">void</span> init_dither(<span class="keywordtype">void</span>);
    85. 

  85. <a name="l00071"></a>00071 
    86. 

  86. <a name="l00072"></a>00072 <span class="comment">/* default modulators</span>
    87. 

  87. <a name="l00073"></a>00073 <span class="comment"> * SF2.01 page 52 ff:</span>
    88. 

  88. <a name="l00074"></a>00074 <span class="comment"> *</span>
    89. 

  89. <a name="l00075"></a>00075 <span class="comment"> * There is a set of predefined default modulators. They have to be</span>
    90. 

  90. <a name="l00076"></a>00076 <span class="comment"> * explicitly overridden by the sound font in order to turn them off.</span>
    91. 

  91. <a name="l00077"></a>00077 <span class="comment"> */</span>
    92. 

  92. <a name="l00078"></a>00078 
    93. 

  93. <a name="l00079"></a>00079 <a class="code" href="struct__fluid__mod__t.html">fluid_mod_t</a> default_vel2att_mod;        <span class="comment">/* SF2.01 section 8.4.1  */</span>
    94. 

  94. <a name="l00080"></a>00080 <a class="code" href="struct__fluid__mod__t.html">fluid_mod_t</a> default_vel2filter_mod;     <span class="comment">/* SF2.01 section 8.4.2  */</span>
    95. 

  95. <a name="l00081"></a>00081 <a class="code" href="struct__fluid__mod__t.html">fluid_mod_t</a> default_at2viblfo_mod;      <span class="comment">/* SF2.01 section 8.4.3  */</span>
    96. 

  96. <a name="l00082"></a>00082 <a class="code" href="struct__fluid__mod__t.html">fluid_mod_t</a> default_mod2viblfo_mod;     <span class="comment">/* SF2.01 section 8.4.4  */</span>
    97. 

  97. <a name="l00083"></a>00083 <a class="code" href="struct__fluid__mod__t.html">fluid_mod_t</a> default_att_mod;            <span class="comment">/* SF2.01 section 8.4.5  */</span>
    98. 

  98. <a name="l00084"></a>00084 <a class="code" href="struct__fluid__mod__t.html">fluid_mod_t</a> default_pan_mod;            <span class="comment">/* SF2.01 section 8.4.6  */</span>
    99. 

  99. <a name="l00085"></a>00085 <a class="code" href="struct__fluid__mod__t.html">fluid_mod_t</a> default_expr_mod;           <span class="comment">/* SF2.01 section 8.4.7  */</span>
    100. 

  100. <a name="l00086"></a>00086 <a class="code" href="struct__fluid__mod__t.html">fluid_mod_t</a> default_reverb_mod;         <span class="comment">/* SF2.01 section 8.4.8  */</span>
    101. 

  101. <a name="l00087"></a>00087 <a class="code" href="struct__fluid__mod__t.html">fluid_mod_t</a> default_chorus_mod;         <span class="comment">/* SF2.01 section 8.4.9  */</span>
    102. 

  102. <a name="l00088"></a>00088 <a class="code" href="struct__fluid__mod__t.html">fluid_mod_t</a> default_pitch_bend_mod;     <span class="comment">/* SF2.01 section 8.4.10 */</span>
    103. 

  103. <a name="l00089"></a>00089 
    104. 

  104. <a name="l00090"></a>00090 <span class="comment">/* reverb presets */</span>
    105. 

  105. <a name="l00091"></a>00091 <span class="keyword">static</span> fluid_revmodel_presets_t revmodel_preset[] = {
    106. 

  106. <a name="l00092"></a>00092   <span class="comment">/* name */</span>    <span class="comment">/* roomsize */</span> <span class="comment">/* damp */</span> <span class="comment">/* width */</span> <span class="comment">/* level */</span>
    107. 

  107. <a name="l00093"></a>00093   { <span class="stringliteral">"Test 1"</span>,          0.2f,      0.0f,       0.5f,       0.9f },
    108. 

  108. <a name="l00094"></a>00094   { <span class="stringliteral">"Test 2"</span>,          0.4f,      0.2f,       0.5f,       0.8f },
    109. 

  109. <a name="l00095"></a>00095   { <span class="stringliteral">"Test 3"</span>,          0.6f,      0.4f,       0.5f,       0.7f },
    110. 

  110. <a name="l00096"></a>00096   { <span class="stringliteral">"Test 4"</span>,          0.8f,      0.7f,       0.5f,       0.6f },
    111. 

  111. <a name="l00097"></a>00097   { <span class="stringliteral">"Test 5"</span>,          0.8f,      1.0f,       0.5f,       0.5f },
    112. 

  112. <a name="l00098"></a>00098   { NULL, 0.0f, 0.0f, 0.0f, 0.0f }
    113. 

  113. <a name="l00099"></a>00099 };
    114. 

  114. <a name="l00100"></a>00100 
    115. 

  115. <a name="l00101"></a>00101 
    116. 

  116. <a name="l00102"></a>00102 <span class="comment">/***************************************************************</span>
    117. 

  117. <a name="l00103"></a>00103 <span class="comment"> *</span>
    118. 

  118. <a name="l00104"></a>00104 <span class="comment"> *               INITIALIZATION &amp; UTILITIES</span>
    119. 

  119. <a name="l00105"></a>00105 <span class="comment"> */</span>
    120. 

  120. <a name="l00106"></a>00106 
    121. 

  121. <a name="l00107"></a>00107 
    122. 

  122. <a name="l00108"></a>00108 <span class="keywordtype">void</span> fluid_synth_settings(fluid_settings_t* settings)
    123. 

  123. <a name="l00109"></a>00109 {
    124. 

  124. <a name="l00110"></a>00110   fluid_settings_register_str(settings, <span class="stringliteral">"synth.verbose"</span>, <span class="stringliteral">"no"</span>, 0, NULL, NULL);
    125. 

  125. <a name="l00111"></a>00111   fluid_settings_register_str(settings, <span class="stringliteral">"synth.dump"</span>, <span class="stringliteral">"no"</span>, 0, NULL, NULL);
    126. 

  126. <a name="l00112"></a>00112   fluid_settings_register_str(settings, <span class="stringliteral">"synth.reverb.active"</span>, <span class="stringliteral">"yes"</span>, 0, NULL, NULL);
    127. 

  127. <a name="l00113"></a>00113   fluid_settings_register_str(settings, <span class="stringliteral">"synth.chorus.active"</span>, <span class="stringliteral">"yes"</span>, 0, NULL, NULL);
    128. 

  128. <a name="l00114"></a>00114   fluid_settings_register_str(settings, <span class="stringliteral">"synth.ladspa.active"</span>, <span class="stringliteral">"no"</span>, 0, NULL, NULL);
    129. 

  129. <a name="l00115"></a>00115 
    130. 

  130. <a name="l00116"></a>00116   fluid_settings_register_int(settings, <span class="stringliteral">"synth.polyphony"</span>,
    131. 

  131. <a name="l00117"></a>00117                              256, 16, 4096, 0, NULL, NULL);
    132. 

  132. <a name="l00118"></a>00118   fluid_settings_register_int(settings, <span class="stringliteral">"synth.midi-channels"</span>,
    133. 

  133. <a name="l00119"></a>00119                              16, 16, 256, 0, NULL, NULL);
    134. 

  134. <a name="l00120"></a>00120   fluid_settings_register_num(settings, <span class="stringliteral">"synth.gain"</span>,
    135. 

  135. <a name="l00121"></a>00121                              0.2f, 0.0f, 10.0f,
    136. 

  136. <a name="l00122"></a>00122                              0, NULL, NULL);
    137. 

  137. <a name="l00123"></a>00123   fluid_settings_register_int(settings, <span class="stringliteral">"synth.audio-channels"</span>,
    138. 

  138. <a name="l00124"></a>00124                              1, 1, 256, 0, NULL, NULL);
    139. 

  139. <a name="l00125"></a>00125   fluid_settings_register_int(settings, <span class="stringliteral">"synth.audio-groups"</span>,
    140. 

  140. <a name="l00126"></a>00126                              1, 1, 256, 0, NULL, NULL);
    141. 

  141. <a name="l00127"></a>00127   fluid_settings_register_int(settings, <span class="stringliteral">"synth.effects-channels"</span>,
    142. 

  142. <a name="l00128"></a>00128                              2, 2, 2, 0, NULL, NULL);
    143. 

  143. <a name="l00129"></a>00129   fluid_settings_register_num(settings, <span class="stringliteral">"synth.sample-rate"</span>,
    144. 

  144. <a name="l00130"></a>00130                              44100.0f, 22050.0f, 96000.0f,
    145. 

  145. <a name="l00131"></a>00131                              0, NULL, NULL);
    146. 

  146. <a name="l00132"></a>00132 }
    147. 

  147. <a name="l00133"></a>00133 
    148. 

  148. <a name="l00134"></a>00134 <span class="comment">/*</span>
    149. 

  149. <a name="l00135"></a>00135 <span class="comment"> * fluid_version</span>
    150. 

  150. <a name="l00136"></a>00136 <span class="comment"> */</span>
    151. 

  151. <a name="l00137"></a>00137 <span class="keywordtype">void</span> fluid_version(<span class="keywordtype">int</span> *major, <span class="keywordtype">int</span> *minor, <span class="keywordtype">int</span> *micro)
    152. 

  152. <a name="l00138"></a>00138 {
    153. 

  153. <a name="l00139"></a>00139   *major = FLUIDSYNTH_VERSION_MAJOR;
    154. 

  154. <a name="l00140"></a>00140   *minor = FLUIDSYNTH_VERSION_MINOR;
    155. 

  155. <a name="l00141"></a>00141   *micro = FLUIDSYNTH_VERSION_MICRO;
    156. 

  156. <a name="l00142"></a>00142 }
    157. 

  157. <a name="l00143"></a>00143 
    158. 

  158. <a name="l00144"></a>00144 <span class="comment">/*</span>
    159. 

  159. <a name="l00145"></a>00145 <span class="comment"> * fluid_version_str</span>
    160. 

  160. <a name="l00146"></a>00146 <span class="comment"> */</span>
    161. 

  161. <a name="l00147"></a>00147 <span class="keywordtype">char</span>* fluid_version_str(<span class="keywordtype">void</span>)
    162. 

  162. <a name="l00148"></a>00148 {
    163. 

  163. <a name="l00149"></a>00149   <span class="keywordflow">return</span> FLUIDSYNTH_VERSION;
    164. 

  164. <a name="l00150"></a>00150 }
    165. 

  165. <a name="l00151"></a>00151 
    166. 

  166. <a name="l00152"></a>00152 
    167. 

  167. <a name="l00153"></a>00153 <span class="comment">/*</span>
    168. 

  168. <a name="l00154"></a>00154 <span class="comment"> * void fluid_synth_init</span>
    169. 

  169. <a name="l00155"></a>00155 <span class="comment"> *</span>
    170. 

  170. <a name="l00156"></a>00156 <span class="comment"> * Does all the initialization for this module.</span>
    171. 

  171. <a name="l00157"></a>00157 <span class="comment"> */</span>
    172. 

  172. <a name="l00158"></a>00158 <span class="keyword">static</span> <span class="keywordtype">void</span>
    173. 

  173. <a name="l00159"></a>00159 fluid_synth_init()
    174. 

  174. <a name="l00160"></a>00160 {
    175. 

  175. <a name="l00161"></a>00161   fluid_synth_initialized++;
    176. 

  176. <a name="l00162"></a>00162 
    177. 

  177. <a name="l00163"></a>00163 <span class="preprocessor">#ifdef TRAP_ON_FPE</span>
    178. 

  178. <a name="l00164"></a>00164 <span class="preprocessor"></span>  <span class="comment">/* Turn on floating point exception traps */</span>
    179. 

  179. <a name="l00165"></a>00165   feenableexcept (FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID);
    180. 

  180. <a name="l00166"></a>00166 <span class="preprocessor">#endif</span>
    181. 

  181. <a name="l00167"></a>00167 <span class="preprocessor"></span>
    182. 

  182. <a name="l00168"></a>00168   fluid_conversion_config();
    183. 

  183. <a name="l00169"></a>00169 
    184. 

  184. <a name="l00170"></a>00170   fluid_dsp_float_config();
    185. 

  185. <a name="l00171"></a>00171 
    186. 

  186. <a name="l00172"></a>00172   fluid_sys_config();
    187. 

  187. <a name="l00173"></a>00173 
    188. 

  188. <a name="l00174"></a>00174   init_dither();
    189. 

  189. <a name="l00175"></a>00175 
    190. 

  190. <a name="l00176"></a>00176 
    191. 

  191. <a name="l00177"></a>00177   <span class="comment">/* SF2.01 page 53 section 8.4.1: MIDI Note-On Velocity to Initial Attenuation */</span>
    192. 

  192. <a name="l00178"></a>00178   fluid_mod_set_source1(&amp;default_vel2att_mod, <span class="comment">/* The modulator we are programming here */</span>
    193. 

  193. <a name="l00179"></a>00179                        FLUID_MOD_VELOCITY,    <span class="comment">/* Source. VELOCITY corresponds to 'index=2'. */</span>
    194. 

  194. <a name="l00180"></a>00180                        FLUID_MOD_GC           <span class="comment">/* Not a MIDI continuous controller */</span>
    195. 

  195. <a name="l00181"></a>00181                        | FLUID_MOD_CONCAVE    <span class="comment">/* Curve shape. Corresponds to 'type=1' */</span>
    196. 

  196. <a name="l00182"></a>00182                        | FLUID_MOD_UNIPOLAR   <span class="comment">/* Polarity. Corresponds to 'P=0' */</span>
    197. 

  197. <a name="l00183"></a>00183                        | FLUID_MOD_NEGATIVE   <span class="comment">/* Direction. Corresponds to 'D=1' */</span>
    198. 

  198. <a name="l00184"></a>00184                        );
    199. 

  199. <a name="l00185"></a>00185   fluid_mod_set_source2(&amp;default_vel2att_mod, 0, 0); <span class="comment">/* No 2nd source */</span>
    200. 

  200. <a name="l00186"></a>00186   fluid_mod_set_dest(&amp;default_vel2att_mod, <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b42db65ad593aeff4e814f9a7b7324c0df" title="Initial volume attenuation.">GEN_ATTENUATION</a>);  <span class="comment">/* Target: Initial attenuation */</span>
    201. 

  201. <a name="l00187"></a>00187   fluid_mod_set_amount(&amp;default_vel2att_mod, 960.0);          <span class="comment">/* Modulation amount: 960 */</span>
    202. 

  202. <a name="l00188"></a>00188 
    203. 

  203. <a name="l00189"></a>00189 
    204. 

  204. <a name="l00190"></a>00190 
    205. 

  205. <a name="l00191"></a>00191   <span class="comment">/* SF2.01 page 53 section 8.4.2: MIDI Note-On Velocity to Filter Cutoff</span>
    206. 

  206. <a name="l00192"></a>00192 <span class="comment">   * Have to make a design decision here. The specs don't make any sense this way or another.</span>
    207. 

  207. <a name="l00193"></a>00193 <span class="comment">   * One sound font, 'Kingston Piano', which has been praised for its quality, tries to</span>
    208. 

  208. <a name="l00194"></a>00194 <span class="comment">   * override this modulator with an amount of 0 and positive polarity (instead of what</span>
    209. 

  209. <a name="l00195"></a>00195 <span class="comment">   * the specs say, D=1) for the secondary source.</span>
    210. 

  210. <a name="l00196"></a>00196 <span class="comment">   * So if we change the polarity to 'positive', one of the best free sound fonts works...</span>
    211. 

  211. <a name="l00197"></a>00197 <span class="comment">   */</span>
    212. 

  212. <a name="l00198"></a>00198   fluid_mod_set_source1(&amp;default_vel2filter_mod, FLUID_MOD_VELOCITY, <span class="comment">/* Index=2 */</span>
    213. 

  213. <a name="l00199"></a>00199                        FLUID_MOD_GC                        <span class="comment">/* CC=0 */</span>
    214. 

  214. <a name="l00200"></a>00200                        | FLUID_MOD_LINEAR                  <span class="comment">/* type=0 */</span>
    215. 

  215. <a name="l00201"></a>00201                        | FLUID_MOD_UNIPOLAR                <span class="comment">/* P=0 */</span>
    216. 

  216. <a name="l00202"></a>00202                        | FLUID_MOD_NEGATIVE                <span class="comment">/* D=1 */</span>
    217. 

  217. <a name="l00203"></a>00203                        );
    218. 

  218. <a name="l00204"></a>00204   fluid_mod_set_source2(&amp;default_vel2filter_mod, FLUID_MOD_VELOCITY, <span class="comment">/* Index=2 */</span>
    219. 

  219. <a name="l00205"></a>00205                        FLUID_MOD_GC                                 <span class="comment">/* CC=0 */</span>
    220. 

  220. <a name="l00206"></a>00206                        | FLUID_MOD_SWITCH                           <span class="comment">/* type=3 */</span>
    221. 

  221. <a name="l00207"></a>00207                        | FLUID_MOD_UNIPOLAR                         <span class="comment">/* P=0 */</span>
    222. 

  222. <a name="l00208"></a>00208                        <span class="comment">// do not remove       | FLUID_MOD_NEGATIVE                         /* D=1 */</span>
    223. 

  223. <a name="l00209"></a>00209                        | FLUID_MOD_POSITIVE                         <span class="comment">/* D=0 */</span>
    224. 

  224. <a name="l00210"></a>00210                        );
    225. 

  225. <a name="l00211"></a>00211   fluid_mod_set_dest(&amp;default_vel2filter_mod, <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b4e43e689b0b6349a676d26ea3096ed8d2" title="Filter cutoff.">GEN_FILTERFC</a>);        <span class="comment">/* Target: Initial filter cutoff */</span>
    226. 

  226. <a name="l00212"></a>00212   fluid_mod_set_amount(&amp;default_vel2filter_mod, -2400);
    227. 

  227. <a name="l00213"></a>00213 
    228. 

  228. <a name="l00214"></a>00214 
    229. 

  229. <a name="l00215"></a>00215 
    230. 

  230. <a name="l00216"></a>00216   <span class="comment">/* SF2.01 page 53 section 8.4.3: MIDI Channel pressure to Vibrato LFO pitch depth */</span>
    231. 

  231. <a name="l00217"></a>00217   fluid_mod_set_source1(&amp;default_at2viblfo_mod, FLUID_MOD_CHANNELPRESSURE, <span class="comment">/* Index=13 */</span>
    232. 

  232. <a name="l00218"></a>00218                        FLUID_MOD_GC                        <span class="comment">/* CC=0 */</span>
    233. 

  233. <a name="l00219"></a>00219                        | FLUID_MOD_LINEAR                  <span class="comment">/* type=0 */</span>
    234. 

  234. <a name="l00220"></a>00220                        | FLUID_MOD_UNIPOLAR                <span class="comment">/* P=0 */</span>
    235. 

  235. <a name="l00221"></a>00221                        | FLUID_MOD_POSITIVE                <span class="comment">/* D=0 */</span>
    236. 

  236. <a name="l00222"></a>00222                        );
    237. 

  237. <a name="l00223"></a>00223   fluid_mod_set_source2(&amp;default_at2viblfo_mod, 0,0); <span class="comment">/* no second source */</span>
    238. 

  238. <a name="l00224"></a>00224   fluid_mod_set_dest(&amp;default_at2viblfo_mod, <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b499387606556a9024de640b4519f7e559" title="Vibrato LFO to pitch.">GEN_VIBLFOTOPITCH</a>);        <span class="comment">/* Target: Vib. LFO =&gt; pitch */</span>
    239. 

  239. <a name="l00225"></a>00225   fluid_mod_set_amount(&amp;default_at2viblfo_mod, 50);
    240. 

  240. <a name="l00226"></a>00226 
    241. 

  241. <a name="l00227"></a>00227 
    242. 

  242. <a name="l00228"></a>00228 
    243. 

  243. <a name="l00229"></a>00229   <span class="comment">/* SF2.01 page 53 section 8.4.4: Mod wheel (Controller 1) to Vibrato LFO pitch depth */</span>
    244. 

  244. <a name="l00230"></a>00230   fluid_mod_set_source1(&amp;default_mod2viblfo_mod, 1, <span class="comment">/* Index=1 */</span>
    245. 

  245. <a name="l00231"></a>00231                        FLUID_MOD_CC                        <span class="comment">/* CC=1 */</span>
    246. 

  246. <a name="l00232"></a>00232                        | FLUID_MOD_LINEAR                  <span class="comment">/* type=0 */</span>
    247. 

  247. <a name="l00233"></a>00233                        | FLUID_MOD_UNIPOLAR                <span class="comment">/* P=0 */</span>
    248. 

  248. <a name="l00234"></a>00234                        | FLUID_MOD_POSITIVE                <span class="comment">/* D=0 */</span>
    249. 

  249. <a name="l00235"></a>00235                        );
    250. 

  250. <a name="l00236"></a>00236   fluid_mod_set_source2(&amp;default_mod2viblfo_mod, 0,0); <span class="comment">/* no second source */</span>
    251. 

  251. <a name="l00237"></a>00237   fluid_mod_set_dest(&amp;default_mod2viblfo_mod, <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b499387606556a9024de640b4519f7e559" title="Vibrato LFO to pitch.">GEN_VIBLFOTOPITCH</a>);        <span class="comment">/* Target: Vib. LFO =&gt; pitch */</span>
    252. 

  252. <a name="l00238"></a>00238   fluid_mod_set_amount(&amp;default_mod2viblfo_mod, 50);
    253. 

  253. <a name="l00239"></a>00239 
    254. 

  254. <a name="l00240"></a>00240 
    255. 

  255. <a name="l00241"></a>00241 
    256. 

  256. <a name="l00242"></a>00242   <span class="comment">/* SF2.01 page 55 section 8.4.5: MIDI continuous controller 7 to initial attenuation*/</span>
    257. 

  257. <a name="l00243"></a>00243   fluid_mod_set_source1(&amp;default_att_mod, 7,                     <span class="comment">/* index=7 */</span>
    258. 

  258. <a name="l00244"></a>00244                        FLUID_MOD_CC                              <span class="comment">/* CC=1 */</span>
    259. 

  259. <a name="l00245"></a>00245                        | FLUID_MOD_CONCAVE                       <span class="comment">/* type=1 */</span>
    260. 

  260. <a name="l00246"></a>00246                        | FLUID_MOD_UNIPOLAR                      <span class="comment">/* P=0 */</span>
    261. 

  261. <a name="l00247"></a>00247                        | FLUID_MOD_NEGATIVE                      <span class="comment">/* D=1 */</span>
    262. 

  262. <a name="l00248"></a>00248                        );
    263. 

  263. <a name="l00249"></a>00249   fluid_mod_set_source2(&amp;default_att_mod, 0, 0);                 <span class="comment">/* No second source */</span>
    264. 

  264. <a name="l00250"></a>00250   fluid_mod_set_dest(&amp;default_att_mod, <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b42db65ad593aeff4e814f9a7b7324c0df" title="Initial volume attenuation.">GEN_ATTENUATION</a>);         <span class="comment">/* Target: Initial attenuation */</span>
    265. 

  265. <a name="l00251"></a>00251   fluid_mod_set_amount(&amp;default_att_mod, 960.0);                 <span class="comment">/* Amount: 960 */</span>
    266. 

  266. <a name="l00252"></a>00252 
    267. 

  267. <a name="l00253"></a>00253 
    268. 

  268. <a name="l00254"></a>00254 
    269. 

  269. <a name="l00255"></a>00255   <span class="comment">/* SF2.01 page 55 section 8.4.6 MIDI continuous controller 10 to Pan Position */</span>
    270. 

  270. <a name="l00256"></a>00256   fluid_mod_set_source1(&amp;default_pan_mod, 10,                    <span class="comment">/* index=10 */</span>
    271. 

  271. <a name="l00257"></a>00257                        FLUID_MOD_CC                              <span class="comment">/* CC=1 */</span>
    272. 

  272. <a name="l00258"></a>00258                        | FLUID_MOD_LINEAR                        <span class="comment">/* type=0 */</span>
    273. 

  273. <a name="l00259"></a>00259                        | FLUID_MOD_BIPOLAR                       <span class="comment">/* P=1 */</span>
    274. 

  274. <a name="l00260"></a>00260                        | FLUID_MOD_POSITIVE                      <span class="comment">/* D=0 */</span>
    275. 

  275. <a name="l00261"></a>00261                        );
    276. 

  276. <a name="l00262"></a>00262   fluid_mod_set_source2(&amp;default_pan_mod, 0, 0);                 <span class="comment">/* No second source */</span>
    277. 

  277. <a name="l00263"></a>00263   fluid_mod_set_dest(&amp;default_pan_mod, <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b45b713ab8c931017d98f11b5ed5a81fb1" title="Stereo panning.">GEN_PAN</a>);                 <span class="comment">/* Target: pan */</span>
    278. 

  278. <a name="l00264"></a>00264   <span class="comment">/* Amount: 500. The SF specs $8.4.6, p. 55 syas: "Amount = 1000</span>
    279. 

  279. <a name="l00265"></a>00265 <span class="comment">     tenths of a percent". The center value (64) corresponds to 50%,</span>
    280. 

  280. <a name="l00266"></a>00266 <span class="comment">     so it follows that amount = 50% x 1000/% = 500. */</span>
    281. 

  281. <a name="l00267"></a>00267   fluid_mod_set_amount(&amp;default_pan_mod, 500.0);
    282. 

  282. <a name="l00268"></a>00268 
    283. 

  283. <a name="l00269"></a>00269 
    284. 

  284. <a name="l00270"></a>00270   <span class="comment">/* SF2.01 page 55 section 8.4.7: MIDI continuous controller 11 to initial attenuation*/</span>
    285. 

  285. <a name="l00271"></a>00271   fluid_mod_set_source1(&amp;default_expr_mod, 11,                     <span class="comment">/* index=11 */</span>
    286. 

  286. <a name="l00272"></a>00272                        FLUID_MOD_CC                              <span class="comment">/* CC=1 */</span>
    287. 

  287. <a name="l00273"></a>00273                        | FLUID_MOD_CONCAVE                       <span class="comment">/* type=1 */</span>
    288. 

  288. <a name="l00274"></a>00274                        | FLUID_MOD_UNIPOLAR                      <span class="comment">/* P=0 */</span>
    289. 

  289. <a name="l00275"></a>00275                        | FLUID_MOD_NEGATIVE                      <span class="comment">/* D=1 */</span>
    290. 

  290. <a name="l00276"></a>00276                        );
    291. 

  291. <a name="l00277"></a>00277   fluid_mod_set_source2(&amp;default_expr_mod, 0, 0);                 <span class="comment">/* No second source */</span>
    292. 

  292. <a name="l00278"></a>00278   fluid_mod_set_dest(&amp;default_expr_mod, <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b42db65ad593aeff4e814f9a7b7324c0df" title="Initial volume attenuation.">GEN_ATTENUATION</a>);         <span class="comment">/* Target: Initial attenuation */</span>
    293. 

  293. <a name="l00279"></a>00279   fluid_mod_set_amount(&amp;default_expr_mod, 960.0);                 <span class="comment">/* Amount: 960 */</span>
    294. 

  294. <a name="l00280"></a>00280 
    295. 

  295. <a name="l00281"></a>00281 
    296. 

  296. <a name="l00282"></a>00282 
    297. 

  297. <a name="l00283"></a>00283   <span class="comment">/* SF2.01 page 55 section 8.4.8: MIDI continuous controller 91 to Reverb send */</span>
    298. 

  298. <a name="l00284"></a>00284   fluid_mod_set_source1(&amp;default_reverb_mod, 91,                 <span class="comment">/* index=91 */</span>
    299. 

  299. <a name="l00285"></a>00285                        FLUID_MOD_CC                              <span class="comment">/* CC=1 */</span>
    300. 

  300. <a name="l00286"></a>00286                        | FLUID_MOD_LINEAR                        <span class="comment">/* type=0 */</span>
    301. 

  301. <a name="l00287"></a>00287                        | FLUID_MOD_UNIPOLAR                      <span class="comment">/* P=0 */</span>
    302. 

  302. <a name="l00288"></a>00288                        | FLUID_MOD_POSITIVE                      <span class="comment">/* D=0 */</span>
    303. 

  303. <a name="l00289"></a>00289                        );
    304. 

  304. <a name="l00290"></a>00290   fluid_mod_set_source2(&amp;default_reverb_mod, 0, 0);              <span class="comment">/* No second source */</span>
    305. 

  305. <a name="l00291"></a>00291   fluid_mod_set_dest(&amp;default_reverb_mod, <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b48de830acd064933f55e0c1615d1e7f78" title="Reverb send amount.">GEN_REVERBSEND</a>);       <span class="comment">/* Target: Reverb send */</span>
    306. 

  306. <a name="l00292"></a>00292   fluid_mod_set_amount(&amp;default_reverb_mod, 200);                <span class="comment">/* Amount: 200 ('tenths of a percent') */</span>
    307. 

  307. <a name="l00293"></a>00293 
    308. 

  308. <a name="l00294"></a>00294 
    309. 

  309. <a name="l00295"></a>00295 
    310. 

  310. <a name="l00296"></a>00296   <span class="comment">/* SF2.01 page 55 section 8.4.9: MIDI continuous controller 93 to Reverb send */</span>
    311. 

  311. <a name="l00297"></a>00297   fluid_mod_set_source1(&amp;default_chorus_mod, 93,                 <span class="comment">/* index=93 */</span>
    312. 

  312. <a name="l00298"></a>00298                        FLUID_MOD_CC                              <span class="comment">/* CC=1 */</span>
    313. 

  313. <a name="l00299"></a>00299                        | FLUID_MOD_LINEAR                        <span class="comment">/* type=0 */</span>
    314. 

  314. <a name="l00300"></a>00300                        | FLUID_MOD_UNIPOLAR                      <span class="comment">/* P=0 */</span>
    315. 

  315. <a name="l00301"></a>00301                        | FLUID_MOD_POSITIVE                      <span class="comment">/* D=0 */</span>
    316. 

  316. <a name="l00302"></a>00302                        );
    317. 

  317. <a name="l00303"></a>00303   fluid_mod_set_source2(&amp;default_chorus_mod, 0, 0);              <span class="comment">/* No second source */</span>
    318. 

  318. <a name="l00304"></a>00304   fluid_mod_set_dest(&amp;default_chorus_mod, <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b420dc580d6c53d30eb97efe3e910793b6" title="Chorus send amount.">GEN_CHORUSSEND</a>);       <span class="comment">/* Target: Chorus */</span>
    319. 

  319. <a name="l00305"></a>00305   fluid_mod_set_amount(&amp;default_chorus_mod, 200);                <span class="comment">/* Amount: 200 ('tenths of a percent') */</span>
    320. 

  320. <a name="l00306"></a>00306 
    321. 

  321. <a name="l00307"></a>00307 
    322. 

  322. <a name="l00308"></a>00308 
    323. 

  323. <a name="l00309"></a>00309   <span class="comment">/* SF2.01 page 57 section 8.4.10 MIDI Pitch Wheel to Initial Pitch ... */</span>
    324. 

  324. <a name="l00310"></a>00310   fluid_mod_set_source1(&amp;default_pitch_bend_mod, FLUID_MOD_PITCHWHEEL, <span class="comment">/* Index=14 */</span>
    325. 

  325. <a name="l00311"></a>00311                        FLUID_MOD_GC                              <span class="comment">/* CC =0 */</span>
    326. 

  326. <a name="l00312"></a>00312                        | FLUID_MOD_LINEAR                        <span class="comment">/* type=0 */</span>
    327. 

  327. <a name="l00313"></a>00313                        | FLUID_MOD_BIPOLAR                       <span class="comment">/* P=1 */</span>
    328. 

  328. <a name="l00314"></a>00314                        | FLUID_MOD_POSITIVE                      <span class="comment">/* D=0 */</span>
    329. 

  329. <a name="l00315"></a>00315                        );
    330. 

  330. <a name="l00316"></a>00316   fluid_mod_set_source2(&amp;default_pitch_bend_mod, FLUID_MOD_PITCHWHEELSENS,  <span class="comment">/* Index = 16 */</span>
    331. 

  331. <a name="l00317"></a>00317                        FLUID_MOD_GC                                        <span class="comment">/* CC=0 */</span>
    332. 

  332. <a name="l00318"></a>00318                        | FLUID_MOD_LINEAR                                  <span class="comment">/* type=0 */</span>
    333. 

  333. <a name="l00319"></a>00319                        | FLUID_MOD_UNIPOLAR                                <span class="comment">/* P=0 */</span>
    334. 

  334. <a name="l00320"></a>00320                        | FLUID_MOD_POSITIVE                                <span class="comment">/* D=0 */</span>
    335. 

  335. <a name="l00321"></a>00321                        );
    336. 

  336. <a name="l00322"></a>00322   fluid_mod_set_dest(&amp;default_pitch_bend_mod, <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b4b9a5716b5af1baf131a6225da6687ff0" title="Pitch (NOTE: Not a real SoundFont generator).">GEN_PITCH</a>);                 <span class="comment">/* Destination: Initial pitch */</span>
    337. 

  337. <a name="l00323"></a>00323   fluid_mod_set_amount(&amp;default_pitch_bend_mod, 12700.0);                 <span class="comment">/* Amount: 12700 cents */</span>
    338. 

  338. <a name="l00324"></a>00324 }
    339. 

  339. <a name="l00325"></a>00325 
    340. 

  340. <a name="l00326"></a>00326 
    341. 

  341. <a name="l00327"></a>00327 <span class="keywordtype">int</span> fluid_synth_verify_settings(fluid_settings_t *settings)
    342. 

  342. <a name="l00328"></a>00328 {
    343. 

  343. <a name="l00329"></a>00329   <span class="keywordflow">return</span> 0;
    344. 

  344. <a name="l00330"></a>00330 }
    345. 

  345. <a name="l00331"></a>00331 
    346. 

  346. <a name="l00332"></a>00332 <span class="comment">/***************************************************************</span>
    347. 

  347. <a name="l00333"></a>00333 <span class="comment"> *</span>
    348. 

  348. <a name="l00334"></a>00334 <span class="comment"> *                      FLUID SYNTH</span>
    349. 

  349. <a name="l00335"></a>00335 <span class="comment"> */</span>
    350. 

  350. <a name="l00336"></a>00336 
    351. 

  351. <a name="l00337"></a>00337 <span class="comment">/*</span>
    352. 

  352. <a name="l00338"></a>00338 <span class="comment"> * new_fluid_synth</span>
    353. 

  353. <a name="l00339"></a>00339 <span class="comment"> */</span>
    354. 

  354. <a name="l00340"></a>00340 fluid_synth_t*
    355. 

  355. <a name="l00341"></a>00341 new_fluid_synth(fluid_settings_t *settings)
    356. 

  356. <a name="l00342"></a>00342 {
    357. 

  357. <a name="l00343"></a>00343   <span class="keywordtype">int</span> i;
    358. 

  358. <a name="l00344"></a>00344   fluid_synth_t* synth;
    359. 

  359. <a name="l00345"></a>00345   <a class="code" href="struct__fluid__sfloader__t.html">fluid_sfloader_t</a>* loader;
    360. 

  360. <a name="l00346"></a>00346 
    361. 

  361. <a name="l00347"></a>00347   <span class="comment">/* initialize all the conversion tables and other stuff */</span>
    362. 

  362. <a name="l00348"></a>00348   <span class="keywordflow">if</span> (fluid_synth_initialized == 0) {
    363. 

  363. <a name="l00349"></a>00349     fluid_synth_init();
    364. 

  364. <a name="l00350"></a>00350   }
    365. 

  365. <a name="l00351"></a>00351 
    366. 

  366. <a name="l00352"></a>00352   fluid_synth_verify_settings(settings);
    367. 

  367. <a name="l00353"></a>00353 
    368. 

  368. <a name="l00354"></a>00354   <span class="comment">/* allocate a new synthesizer object */</span>
    369. 

  369. <a name="l00355"></a>00355   synth = FLUID_NEW(fluid_synth_t);
    370. 

  370. <a name="l00356"></a>00356   <span class="keywordflow">if</span> (synth == NULL) {
    371. 

  371. <a name="l00357"></a>00357     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Out of memory"</span>);
    372. 

  372. <a name="l00358"></a>00358     <span class="keywordflow">return</span> NULL;
    373. 

  373. <a name="l00359"></a>00359   }
    374. 

  374. <a name="l00360"></a>00360   FLUID_MEMSET(synth, 0, <span class="keyword">sizeof</span>(fluid_synth_t));
    375. 

  375. <a name="l00361"></a>00361 
    376. 

  376. <a name="l00362"></a>00362   fluid_mutex_init(synth-&gt;busy);
    377. 

  377. <a name="l00363"></a>00363 
    378. 

  378. <a name="l00364"></a>00364   synth-&gt;settings = settings;
    379. 

  379. <a name="l00365"></a>00365 
    380. 

  380. <a name="l00366"></a>00366   synth-&gt;with_reverb = fluid_settings_str_equal(settings, <span class="stringliteral">"synth.reverb.active"</span>, <span class="stringliteral">"yes"</span>);
    381. 

  381. <a name="l00367"></a>00367   synth-&gt;with_chorus = fluid_settings_str_equal(settings, <span class="stringliteral">"synth.chorus.active"</span>, <span class="stringliteral">"yes"</span>);
    382. 

  382. <a name="l00368"></a>00368   synth-&gt;verbose = fluid_settings_str_equal(settings, <span class="stringliteral">"synth.verbose"</span>, <span class="stringliteral">"yes"</span>);
    383. 

  383. <a name="l00369"></a>00369   synth-&gt;dump = fluid_settings_str_equal(settings, <span class="stringliteral">"synth.dump"</span>, <span class="stringliteral">"yes"</span>);
    384. 

  384. <a name="l00370"></a>00370 
    385. 

  385. <a name="l00371"></a>00371   fluid_settings_getint(settings, <span class="stringliteral">"synth.polyphony"</span>, &amp;synth-&gt;polyphony);
    386. 

  386. <a name="l00372"></a>00372   fluid_settings_getnum(settings, <span class="stringliteral">"synth.sample-rate"</span>, &amp;synth-&gt;sample_rate);
    387. 

  387. <a name="l00373"></a>00373   fluid_settings_getint(settings, <span class="stringliteral">"synth.midi-channels"</span>, &amp;synth-&gt;midi_channels);
    388. 

  388. <a name="l00374"></a>00374   fluid_settings_getint(settings, <span class="stringliteral">"synth.audio-channels"</span>, &amp;synth-&gt;audio_channels);
    389. 

  389. <a name="l00375"></a>00375   fluid_settings_getint(settings, <span class="stringliteral">"synth.audio-groups"</span>, &amp;synth-&gt;audio_groups);
    390. 

  390. <a name="l00376"></a>00376   fluid_settings_getint(settings, <span class="stringliteral">"synth.effects-channels"</span>, &amp;synth-&gt;effects_channels);
    391. 

  391. <a name="l00377"></a>00377   fluid_settings_getnum(settings, <span class="stringliteral">"synth.gain"</span>, &amp;synth-&gt;gain);
    392. 

  392. <a name="l00378"></a>00378 
    393. 

  393. <a name="l00379"></a>00379   <span class="comment">/* register the callbacks */</span>
    394. 

  394. <a name="l00380"></a>00380   fluid_settings_register_num(settings, <span class="stringliteral">"synth.gain"</span>,
    395. 

  395. <a name="l00381"></a>00381                               0.2f, 0.0f, 10.0f, 0,
    396. 

  396. <a name="l00382"></a>00382                               (fluid_num_update_t) fluid_synth_update_gain, synth);
    397. 

  397. <a name="l00383"></a>00383   fluid_settings_register_int(settings, <span class="stringliteral">"synth.polyphony"</span>,
    398. 

  398. <a name="l00384"></a>00384                               synth-&gt;polyphony, 16, 4096, 0,
    399. 

  399. <a name="l00385"></a>00385                               (fluid_int_update_t) fluid_synth_update_polyphony,
    400. 

  400. <a name="l00386"></a>00386                               synth);
    401. 

  401. <a name="l00387"></a>00387 
    402. 

  402. <a name="l00388"></a>00388   <span class="comment">/* do some basic sanity checking on the settings */</span>
    403. 

  403. <a name="l00389"></a>00389 
    404. 

  404. <a name="l00390"></a>00390   <span class="keywordflow">if</span> (synth-&gt;midi_channels % 16 != 0) {
    405. 

  405. <a name="l00391"></a>00391     <span class="keywordtype">int</span> n = synth-&gt;midi_channels / 16;
    406. 

  406. <a name="l00392"></a>00392     synth-&gt;midi_channels = (n + 1) * 16;
    407. 

  407. <a name="l00393"></a>00393     fluid_settings_setint(settings, <span class="stringliteral">"synth.midi-channels"</span>, synth-&gt;midi_channels);
    408. 

  408. <a name="l00394"></a>00394     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Requested number of MIDI channels is not a multiple of 16. "</span>
    409. 

  409. <a name="l00395"></a>00395              <span class="stringliteral">"I'll increase the number of channels to the next multiple."</span>);
    410. 

  410. <a name="l00396"></a>00396   }
    411. 

  411. <a name="l00397"></a>00397 
    412. 

  412. <a name="l00398"></a>00398   <span class="keywordflow">if</span> (synth-&gt;audio_channels &lt; 1) {
    413. 

  413. <a name="l00399"></a>00399     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Requested number of audio channels is smaller than 1. "</span>
    414. 

  414. <a name="l00400"></a>00400              <span class="stringliteral">"Changing this setting to 1."</span>);
    415. 

  415. <a name="l00401"></a>00401     synth-&gt;audio_channels = 1;
    416. 

  416. <a name="l00402"></a>00402   } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (synth-&gt;audio_channels &gt; 128) {
    417. 

  417. <a name="l00403"></a>00403     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Requested number of audio channels is too big (%d). "</span>
    418. 

  418. <a name="l00404"></a>00404              <span class="stringliteral">"Limiting this setting to 128."</span>, synth-&gt;audio_channels);
    419. 

  419. <a name="l00405"></a>00405     synth-&gt;audio_channels = 128;
    420. 

  420. <a name="l00406"></a>00406   }
    421. 

  421. <a name="l00407"></a>00407 
    422. 

  422. <a name="l00408"></a>00408   <span class="keywordflow">if</span> (synth-&gt;audio_groups &lt; 1) {
    423. 

  423. <a name="l00409"></a>00409     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Requested number of audio groups is smaller than 1. "</span>
    424. 

  424. <a name="l00410"></a>00410              <span class="stringliteral">"Changing this setting to 1."</span>);
    425. 

  425. <a name="l00411"></a>00411     synth-&gt;audio_groups = 1;
    426. 

  426. <a name="l00412"></a>00412   } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (synth-&gt;audio_groups &gt; 128) {
    427. 

  427. <a name="l00413"></a>00413     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Requested number of audio groups is too big (%d). "</span>
    428. 

  428. <a name="l00414"></a>00414              <span class="stringliteral">"Limiting this setting to 128."</span>, synth-&gt;audio_groups);
    429. 

  429. <a name="l00415"></a>00415     synth-&gt;audio_groups = 128;
    430. 

  430. <a name="l00416"></a>00416   }
    431. 

  431. <a name="l00417"></a>00417 
    432. 

  432. <a name="l00418"></a>00418   <span class="keywordflow">if</span> (synth-&gt;effects_channels != 2) {
    433. 

  433. <a name="l00419"></a>00419     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Invalid number of effects channels (%d)."</span>
    434. 

  434. <a name="l00420"></a>00420              <span class="stringliteral">"Setting effects channels to 2."</span>, synth-&gt;effects_channels);
    435. 

  435. <a name="l00421"></a>00421     synth-&gt;effects_channels = 2;
    436. 

  436. <a name="l00422"></a>00422   }
    437. 

  437. <a name="l00423"></a>00423 
    438. 

  438. <a name="l00424"></a>00424 
    439. 

  439. <a name="l00425"></a>00425   <span class="comment">/* The number of buffers is determined by the higher number of nr</span>
    440. 

  440. <a name="l00426"></a>00426 <span class="comment">   * groups / nr audio channels.  If LADSPA is unused, they should be</span>
    441. 

  441. <a name="l00427"></a>00427 <span class="comment">   * the same. */</span>
    442. 

  442. <a name="l00428"></a>00428   synth-&gt;nbuf = synth-&gt;audio_channels;
    443. 

  443. <a name="l00429"></a>00429   <span class="keywordflow">if</span> (synth-&gt;audio_groups &gt; synth-&gt;nbuf) {
    444. 

  444. <a name="l00430"></a>00430     synth-&gt;nbuf = synth-&gt;audio_groups;
    445. 

  445. <a name="l00431"></a>00431   }
    446. 

  446. <a name="l00432"></a>00432 
    447. 

  447. <a name="l00433"></a>00433 <span class="preprocessor">#ifdef LADSPA</span>
    448. 

  448. <a name="l00434"></a>00434 <span class="preprocessor"></span>  <span class="comment">/* Create and initialize the Fx unit.*/</span>
    449. 

  449. <a name="l00435"></a>00435   synth-&gt;LADSPA_FxUnit = new_fluid_LADSPA_FxUnit(synth);
    450. 

  450. <a name="l00436"></a>00436 <span class="preprocessor">#endif</span>
    451. 

  451. <a name="l00437"></a>00437 <span class="preprocessor"></span>
    452. 

  452. <a name="l00438"></a>00438   <span class="comment">/* as soon as the synth is created it starts playing. */</span>
    453. 

  453. <a name="l00439"></a>00439   synth-&gt;state = FLUID_SYNTH_PLAYING;
    454. 

  454. <a name="l00440"></a>00440   synth-&gt;sfont = NULL;
    455. 

  455. <a name="l00441"></a>00441   synth-&gt;noteid = 0;
    456. 

  456. <a name="l00442"></a>00442   synth-&gt;ticks = 0;
    457. 

  457. <a name="l00443"></a>00443   synth-&gt;tuning = NULL;
    458. 

  458. <a name="l00444"></a>00444 
    459. 

  459. <a name="l00445"></a>00445   <span class="comment">/* allocate and add the default sfont loader */</span>
    460. 

  460. <a name="l00446"></a>00446   loader = new_fluid_defsfloader();
    461. 

  461. <a name="l00447"></a>00447 
    462. 

  462. <a name="l00448"></a>00448   <span class="keywordflow">if</span> (loader == NULL) {
    463. 

  463. <a name="l00449"></a>00449     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Failed to create the default SoundFont loader"</span>);
    464. 

  464. <a name="l00450"></a>00450   } <span class="keywordflow">else</span> {
    465. 

  465. <a name="l00451"></a>00451     fluid_synth_add_sfloader(synth, loader);
    466. 

  466. <a name="l00452"></a>00452   }
    467. 

  467. <a name="l00453"></a>00453 
    468. 

  468. <a name="l00454"></a>00454   <span class="comment">/* allocate all channel objects */</span>
    469. 

  469. <a name="l00455"></a>00455   synth-&gt;channel = FLUID_ARRAY(fluid_channel_t*, synth-&gt;midi_channels);
    470. 

  470. <a name="l00456"></a>00456   <span class="keywordflow">if</span> (synth-&gt;channel == NULL) {
    471. 

  471. <a name="l00457"></a>00457     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Out of memory"</span>);
    472. 

  472. <a name="l00458"></a>00458     <span class="keywordflow">goto</span> error_recovery;
    473. 

  473. <a name="l00459"></a>00459   }
    474. 

  474. <a name="l00460"></a>00460   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;midi_channels; i++) {
    475. 

  475. <a name="l00461"></a>00461     synth-&gt;channel[i] = new_fluid_channel(synth, i);
    476. 

  476. <a name="l00462"></a>00462     <span class="keywordflow">if</span> (synth-&gt;channel[i] == NULL) {
    477. 

  477. <a name="l00463"></a>00463       <span class="keywordflow">goto</span> error_recovery;
    478. 

  478. <a name="l00464"></a>00464     }
    479. 

  479. <a name="l00465"></a>00465   }
    480. 

  480. <a name="l00466"></a>00466 
    481. 

  481. <a name="l00467"></a>00467   <span class="comment">/* allocate all synthesis processes */</span>
    482. 

  482. <a name="l00468"></a>00468   synth-&gt;nvoice = synth-&gt;polyphony;
    483. 

  483. <a name="l00469"></a>00469   synth-&gt;voice = FLUID_ARRAY(fluid_voice_t*, synth-&gt;nvoice);
    484. 

  484. <a name="l00470"></a>00470   <span class="keywordflow">if</span> (synth-&gt;voice == NULL) {
    485. 

  485. <a name="l00471"></a>00471     <span class="keywordflow">goto</span> error_recovery;
    486. 

  486. <a name="l00472"></a>00472   }
    487. 

  487. <a name="l00473"></a>00473   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;nvoice; i++) {
    488. 

  488. <a name="l00474"></a>00474     synth-&gt;voice[i] = new_fluid_voice(synth-&gt;sample_rate);
    489. 

  489. <a name="l00475"></a>00475     <span class="keywordflow">if</span> (synth-&gt;voice[i] == NULL) {
    490. 

  490. <a name="l00476"></a>00476       <span class="keywordflow">goto</span> error_recovery;
    491. 

  491. <a name="l00477"></a>00477     }
    492. 

  492. <a name="l00478"></a>00478   }
    493. 

  493. <a name="l00479"></a>00479 
    494. 

  494. <a name="l00480"></a>00480   <span class="comment">/* Allocate the sample buffers */</span>
    495. 

  495. <a name="l00481"></a>00481   synth-&gt;left_buf = NULL;
    496. 

  496. <a name="l00482"></a>00482   synth-&gt;right_buf = NULL;
    497. 

  497. <a name="l00483"></a>00483   synth-&gt;fx_left_buf = NULL;
    498. 

  498. <a name="l00484"></a>00484   synth-&gt;fx_right_buf = NULL;
    499. 

  499. <a name="l00485"></a>00485 
    500. 

  500. <a name="l00486"></a>00486   <span class="comment">/* Left and right audio buffers */</span>
    501. 

  501. <a name="l00487"></a>00487 
    502. 

  502. <a name="l00488"></a>00488   synth-&gt;left_buf = FLUID_ARRAY(fluid_real_t*, synth-&gt;nbuf);
    503. 

  503. <a name="l00489"></a>00489   synth-&gt;right_buf = FLUID_ARRAY(fluid_real_t*, synth-&gt;nbuf);
    504. 

  504. <a name="l00490"></a>00490 
    505. 

  505. <a name="l00491"></a>00491   <span class="keywordflow">if</span> ((synth-&gt;left_buf == NULL) || (synth-&gt;right_buf == NULL)) {
    506. 

  506. <a name="l00492"></a>00492     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Out of memory"</span>);
    507. 

  507. <a name="l00493"></a>00493     <span class="keywordflow">goto</span> error_recovery;
    508. 

  508. <a name="l00494"></a>00494   }
    509. 

  509. <a name="l00495"></a>00495 
    510. 

  510. <a name="l00496"></a>00496   FLUID_MEMSET(synth-&gt;left_buf, 0, synth-&gt;nbuf * <span class="keyword">sizeof</span>(fluid_real_t*));
    511. 

  511. <a name="l00497"></a>00497   FLUID_MEMSET(synth-&gt;right_buf, 0, synth-&gt;nbuf * <span class="keyword">sizeof</span>(fluid_real_t*));
    512. 

  512. <a name="l00498"></a>00498 
    513. 

  513. <a name="l00499"></a>00499   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;nbuf; i++) {
    514. 

  514. <a name="l00500"></a>00500 
    515. 

  515. <a name="l00501"></a>00501     synth-&gt;left_buf[i] = FLUID_ARRAY(fluid_real_t, FLUID_BUFSIZE);
    516. 

  516. <a name="l00502"></a>00502     synth-&gt;right_buf[i] = FLUID_ARRAY(fluid_real_t, FLUID_BUFSIZE);
    517. 

  517. <a name="l00503"></a>00503 
    518. 

  518. <a name="l00504"></a>00504     <span class="keywordflow">if</span> ((synth-&gt;left_buf[i] == NULL) || (synth-&gt;right_buf[i] == NULL)) {
    519. 

  519. <a name="l00505"></a>00505       FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Out of memory"</span>);
    520. 

  520. <a name="l00506"></a>00506       <span class="keywordflow">goto</span> error_recovery;
    521. 

  521. <a name="l00507"></a>00507     }
    522. 

  522. <a name="l00508"></a>00508   }
    523. 

  523. <a name="l00509"></a>00509 
    524. 

  524. <a name="l00510"></a>00510   <span class="comment">/* Effects audio buffers */</span>
    525. 

  525. <a name="l00511"></a>00511 
    526. 

  526. <a name="l00512"></a>00512   synth-&gt;fx_left_buf = FLUID_ARRAY(fluid_real_t*, synth-&gt;effects_channels);
    527. 

  527. <a name="l00513"></a>00513   synth-&gt;fx_right_buf = FLUID_ARRAY(fluid_real_t*, synth-&gt;effects_channels);
    528. 

  528. <a name="l00514"></a>00514 
    529. 

  529. <a name="l00515"></a>00515   <span class="keywordflow">if</span> ((synth-&gt;fx_left_buf == NULL) || (synth-&gt;fx_right_buf == NULL)) {
    530. 

  530. <a name="l00516"></a>00516     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Out of memory"</span>);
    531. 

  531. <a name="l00517"></a>00517     <span class="keywordflow">goto</span> error_recovery;
    532. 

  532. <a name="l00518"></a>00518   }
    533. 

  533. <a name="l00519"></a>00519 
    534. 

  534. <a name="l00520"></a>00520   FLUID_MEMSET(synth-&gt;fx_left_buf, 0, 2 * <span class="keyword">sizeof</span>(fluid_real_t*));
    535. 

  535. <a name="l00521"></a>00521   FLUID_MEMSET(synth-&gt;fx_right_buf, 0, 2 * <span class="keyword">sizeof</span>(fluid_real_t*));
    536. 

  536. <a name="l00522"></a>00522 
    537. 

  537. <a name="l00523"></a>00523   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;effects_channels; i++) {
    538. 

  538. <a name="l00524"></a>00524     synth-&gt;fx_left_buf[i] = FLUID_ARRAY(fluid_real_t, FLUID_BUFSIZE);
    539. 

  539. <a name="l00525"></a>00525     synth-&gt;fx_right_buf[i] = FLUID_ARRAY(fluid_real_t, FLUID_BUFSIZE);
    540. 

  540. <a name="l00526"></a>00526 
    541. 

  541. <a name="l00527"></a>00527     <span class="keywordflow">if</span> ((synth-&gt;fx_left_buf[i] == NULL) || (synth-&gt;fx_right_buf[i] == NULL)) {
    542. 

  542. <a name="l00528"></a>00528       FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Out of memory"</span>);
    543. 

  543. <a name="l00529"></a>00529       <span class="keywordflow">goto</span> error_recovery;
    544. 

  544. <a name="l00530"></a>00530     }
    545. 

  545. <a name="l00531"></a>00531   }
    546. 

  546. <a name="l00532"></a>00532 
    547. 

  547. <a name="l00533"></a>00533 
    548. 

  548. <a name="l00534"></a>00534   synth-&gt;cur = FLUID_BUFSIZE;
    549. 

  549. <a name="l00535"></a>00535   synth-&gt;dither_index = 0;
    550. 

  550. <a name="l00536"></a>00536 
    551. 

  551. <a name="l00537"></a>00537   <span class="comment">/* allocate the reverb module */</span>
    552. 

  552. <a name="l00538"></a>00538   synth-&gt;reverb = new_fluid_revmodel();
    553. 

  553. <a name="l00539"></a>00539   <span class="keywordflow">if</span> (synth-&gt;reverb == NULL) {
    554. 

  554. <a name="l00540"></a>00540     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Out of memory"</span>);
    555. 

  555. <a name="l00541"></a>00541     <span class="keywordflow">goto</span> error_recovery;
    556. 

  556. <a name="l00542"></a>00542   }
    557. 

  557. <a name="l00543"></a>00543 
    558. 

  558. <a name="l00544"></a>00544   fluid_synth_set_reverb(synth,
    559. 

  559. <a name="l00545"></a>00545                         FLUID_REVERB_DEFAULT_ROOMSIZE,
    560. 

  560. <a name="l00546"></a>00546                         FLUID_REVERB_DEFAULT_DAMP,
    561. 

  561. <a name="l00547"></a>00547                         FLUID_REVERB_DEFAULT_WIDTH,
    562. 

  562. <a name="l00548"></a>00548                         FLUID_REVERB_DEFAULT_LEVEL);
    563. 

  563. <a name="l00549"></a>00549 
    564. 

  564. <a name="l00550"></a>00550   <span class="comment">/* allocate the chorus module */</span>
    565. 

  565. <a name="l00551"></a>00551   synth-&gt;chorus = new_fluid_chorus(synth-&gt;sample_rate);
    566. 

  566. <a name="l00552"></a>00552   <span class="keywordflow">if</span> (synth-&gt;chorus == NULL) {
    567. 

  567. <a name="l00553"></a>00553     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Out of memory"</span>);
    568. 

  568. <a name="l00554"></a>00554     <span class="keywordflow">goto</span> error_recovery;
    569. 

  569. <a name="l00555"></a>00555   }
    570. 

  570. <a name="l00556"></a>00556 
    571. 

  571. <a name="l00557"></a>00557   <span class="comment">/* FIXME */</span>
    572. 

  572. <a name="l00558"></a>00558   synth-&gt;start = fluid_curtime();
    573. 

  573. <a name="l00559"></a>00559 
    574. 

  574. <a name="l00560"></a>00560   <span class="keywordflow">return</span> synth;
    575. 

  575. <a name="l00561"></a>00561 
    576. 

  576. <a name="l00562"></a>00562  error_recovery:
    577. 

  577. <a name="l00563"></a>00563   delete_fluid_synth(synth);
    578. 

  578. <a name="l00564"></a>00564   <span class="keywordflow">return</span> NULL;
    579. 

  579. <a name="l00565"></a>00565 }
    580. 

  580. <a name="l00566"></a>00566 
    581. 

  581. <a name="l00567"></a>00567 <span class="comment">/*</span>
    582. 

  582. <a name="l00568"></a>00568 <span class="comment"> * delete_fluid_synth</span>
    583. 

  583. <a name="l00569"></a>00569 <span class="comment"> */</span>
    584. 

  584. <a name="l00570"></a>00570 <span class="keywordtype">int</span>
    585. 

  585. <a name="l00571"></a>00571 delete_fluid_synth(fluid_synth_t* synth)
    586. 

  586. <a name="l00572"></a>00572 {
    587. 

  587. <a name="l00573"></a>00573   <span class="keywordtype">int</span> i, k;
    588. 

  588. <a name="l00574"></a>00574   fluid_list_t *list;
    589. 

  589. <a name="l00575"></a>00575   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont;
    590. 

  590. <a name="l00576"></a>00576   fluid_bank_offset_t* bank_offset;
    591. 

  591. <a name="l00577"></a>00577   <a class="code" href="struct__fluid__sfloader__t.html">fluid_sfloader_t</a>* loader;
    592. 

  592. <a name="l00578"></a>00578 
    593. 

  593. <a name="l00579"></a>00579   <span class="keywordflow">if</span> (synth == NULL) {
    594. 

  594. <a name="l00580"></a>00580     <span class="keywordflow">return</span> FLUID_OK;
    595. 

  595. <a name="l00581"></a>00581   }
    596. 

  596. <a name="l00582"></a>00582 
    597. 

  597. <a name="l00583"></a>00583   fluid_profiling_print();
    598. 

  598. <a name="l00584"></a>00584 
    599. 

  599. <a name="l00585"></a>00585   synth-&gt;state = FLUID_SYNTH_STOPPED;
    600. 

  600. <a name="l00586"></a>00586 
    601. 

  601. <a name="l00587"></a>00587   <span class="comment">/* turn off all voices, needed to unload SoundFont data */</span>
    602. 

  602. <a name="l00588"></a>00588   <span class="keywordflow">if</span> (synth-&gt;voice != NULL) {
    603. 

  603. <a name="l00589"></a>00589     <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;nvoice; i++) {
    604. 

  604. <a name="l00590"></a>00590       <span class="keywordflow">if</span> (synth-&gt;voice[i] &amp;&amp; fluid_voice_is_playing (synth-&gt;voice[i]))
    605. 

  605. <a name="l00591"></a>00591         fluid_voice_off (synth-&gt;voice[i]);
    606. 

  606. <a name="l00592"></a>00592     }
    607. 

  607. <a name="l00593"></a>00593   }
    608. 

  608. <a name="l00594"></a>00594 
    609. 

  609. <a name="l00595"></a>00595   <span class="comment">/* delete all the SoundFonts */</span>
    610. 

  610. <a name="l00596"></a>00596   <span class="keywordflow">for</span> (list = synth-&gt;sfont; list; list = fluid_list_next(list)) {
    611. 

  611. <a name="l00597"></a>00597     sfont = (<a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>*) fluid_list_get(list);
    612. 

  612. <a name="l00598"></a>00598     delete_fluid_sfont(sfont);
    613. 

  613. <a name="l00599"></a>00599   }
    614. 

  614. <a name="l00600"></a>00600 
    615. 

  615. <a name="l00601"></a>00601   delete_fluid_list(synth-&gt;sfont);
    616. 

  616. <a name="l00602"></a>00602 
    617. 

  617. <a name="l00603"></a>00603   <span class="comment">/* and the SoundFont offsets */</span>
    618. 

  618. <a name="l00604"></a>00604   <span class="keywordflow">for</span> (list = synth-&gt;bank_offsets; list; list = fluid_list_next(list)) {
    619. 

  619. <a name="l00605"></a>00605     bank_offset = (fluid_bank_offset_t*) fluid_list_get(list);
    620. 

  620. <a name="l00606"></a>00606     FLUID_FREE(bank_offset);
    621. 

  621. <a name="l00607"></a>00607   }
    622. 

  622. <a name="l00608"></a>00608 
    623. 

  623. <a name="l00609"></a>00609   delete_fluid_list(synth-&gt;bank_offsets);
    624. 

  624. <a name="l00610"></a>00610 
    625. 

  625. <a name="l00611"></a>00611 
    626. 

  626. <a name="l00612"></a>00612   <span class="comment">/* delete all the SoundFont loaders */</span>
    627. 

  627. <a name="l00613"></a>00613 
    628. 

  628. <a name="l00614"></a>00614   <span class="keywordflow">for</span> (list = synth-&gt;loaders; list; list = fluid_list_next(list)) {
    629. 

  629. <a name="l00615"></a>00615     loader = (<a class="code" href="struct__fluid__sfloader__t.html">fluid_sfloader_t</a>*) fluid_list_get(list);
    630. 

  630. <a name="l00616"></a>00616     fluid_sfloader_delete(loader);
    631. 

  631. <a name="l00617"></a>00617   }
    632. 

  632. <a name="l00618"></a>00618 
    633. 

  633. <a name="l00619"></a>00619   delete_fluid_list(synth-&gt;loaders);
    634. 

  634. <a name="l00620"></a>00620 
    635. 

  635. <a name="l00621"></a>00621 
    636. 

  636. <a name="l00622"></a>00622   <span class="keywordflow">if</span> (synth-&gt;channel != NULL) {
    637. 

  637. <a name="l00623"></a>00623     <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;midi_channels; i++) {
    638. 

  638. <a name="l00624"></a>00624       <span class="keywordflow">if</span> (synth-&gt;channel[i] != NULL) {
    639. 

  639. <a name="l00625"></a>00625         delete_fluid_channel(synth-&gt;channel[i]);
    640. 

  640. <a name="l00626"></a>00626       }
    641. 

  641. <a name="l00627"></a>00627     }
    642. 

  642. <a name="l00628"></a>00628     FLUID_FREE(synth-&gt;channel);
    643. 

  643. <a name="l00629"></a>00629   }
    644. 

  644. <a name="l00630"></a>00630 
    645. 

  645. <a name="l00631"></a>00631   <span class="keywordflow">if</span> (synth-&gt;voice != NULL) {
    646. 

  646. <a name="l00632"></a>00632     <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;nvoice; i++) {
    647. 

  647. <a name="l00633"></a>00633       <span class="keywordflow">if</span> (synth-&gt;voice[i] != NULL) {
    648. 

  648. <a name="l00634"></a>00634         delete_fluid_voice(synth-&gt;voice[i]);
    649. 

  649. <a name="l00635"></a>00635       }
    650. 

  650. <a name="l00636"></a>00636     }
    651. 

  651. <a name="l00637"></a>00637     FLUID_FREE(synth-&gt;voice);
    652. 

  652. <a name="l00638"></a>00638   }
    653. 

  653. <a name="l00639"></a>00639 
    654. 

  654. <a name="l00640"></a>00640   <span class="comment">/* free all the sample buffers */</span>
    655. 

  655. <a name="l00641"></a>00641   <span class="keywordflow">if</span> (synth-&gt;left_buf != NULL) {
    656. 

  656. <a name="l00642"></a>00642     <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;nbuf; i++) {
    657. 

  657. <a name="l00643"></a>00643       <span class="keywordflow">if</span> (synth-&gt;left_buf[i] != NULL) {
    658. 

  658. <a name="l00644"></a>00644         FLUID_FREE(synth-&gt;left_buf[i]);
    659. 

  659. <a name="l00645"></a>00645       }
    660. 

  660. <a name="l00646"></a>00646     }
    661. 

  661. <a name="l00647"></a>00647     FLUID_FREE(synth-&gt;left_buf);
    662. 

  662. <a name="l00648"></a>00648   }
    663. 

  663. <a name="l00649"></a>00649 
    664. 

  664. <a name="l00650"></a>00650   <span class="keywordflow">if</span> (synth-&gt;right_buf != NULL) {
    665. 

  665. <a name="l00651"></a>00651     <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;nbuf; i++) {
    666. 

  666. <a name="l00652"></a>00652       <span class="keywordflow">if</span> (synth-&gt;right_buf[i] != NULL) {
    667. 

  667. <a name="l00653"></a>00653         FLUID_FREE(synth-&gt;right_buf[i]);
    668. 

  668. <a name="l00654"></a>00654       }
    669. 

  669. <a name="l00655"></a>00655     }
    670. 

  670. <a name="l00656"></a>00656     FLUID_FREE(synth-&gt;right_buf);
    671. 

  671. <a name="l00657"></a>00657   }
    672. 

  672. <a name="l00658"></a>00658 
    673. 

  673. <a name="l00659"></a>00659   <span class="keywordflow">if</span> (synth-&gt;fx_left_buf != NULL) {
    674. 

  674. <a name="l00660"></a>00660     <span class="keywordflow">for</span> (i = 0; i &lt; 2; i++) {
    675. 

  675. <a name="l00661"></a>00661       <span class="keywordflow">if</span> (synth-&gt;fx_left_buf[i] != NULL) {
    676. 

  676. <a name="l00662"></a>00662         FLUID_FREE(synth-&gt;fx_left_buf[i]);
    677. 

  677. <a name="l00663"></a>00663       }
    678. 

  678. <a name="l00664"></a>00664     }
    679. 

  679. <a name="l00665"></a>00665     FLUID_FREE(synth-&gt;fx_left_buf);
    680. 

  680. <a name="l00666"></a>00666   }
    681. 

  681. <a name="l00667"></a>00667 
    682. 

  682. <a name="l00668"></a>00668   <span class="keywordflow">if</span> (synth-&gt;fx_right_buf != NULL) {
    683. 

  683. <a name="l00669"></a>00669     <span class="keywordflow">for</span> (i = 0; i &lt; 2; i++) {
    684. 

  684. <a name="l00670"></a>00670       <span class="keywordflow">if</span> (synth-&gt;fx_right_buf[i] != NULL) {
    685. 

  685. <a name="l00671"></a>00671         FLUID_FREE(synth-&gt;fx_right_buf[i]);
    686. 

  686. <a name="l00672"></a>00672       }
    687. 

  687. <a name="l00673"></a>00673     }
    688. 

  688. <a name="l00674"></a>00674     FLUID_FREE(synth-&gt;fx_right_buf);
    689. 

  689. <a name="l00675"></a>00675   }
    690. 

  690. <a name="l00676"></a>00676 
    691. 

  691. <a name="l00677"></a>00677   <span class="comment">/* release the reverb module */</span>
    692. 

  692. <a name="l00678"></a>00678   <span class="keywordflow">if</span> (synth-&gt;reverb != NULL) {
    693. 

  693. <a name="l00679"></a>00679     delete_fluid_revmodel(synth-&gt;reverb);
    694. 

  694. <a name="l00680"></a>00680   }
    695. 

  695. <a name="l00681"></a>00681 
    696. 

  696. <a name="l00682"></a>00682   <span class="comment">/* release the chorus module */</span>
    697. 

  697. <a name="l00683"></a>00683   <span class="keywordflow">if</span> (synth-&gt;chorus != NULL) {
    698. 

  698. <a name="l00684"></a>00684     delete_fluid_chorus(synth-&gt;chorus);
    699. 

  699. <a name="l00685"></a>00685   }
    700. 

  700. <a name="l00686"></a>00686 
    701. 

  701. <a name="l00687"></a>00687   <span class="comment">/* free the tunings, if any */</span>
    702. 

  702. <a name="l00688"></a>00688   <span class="keywordflow">if</span> (synth-&gt;tuning != NULL) {
    703. 

  703. <a name="l00689"></a>00689     <span class="keywordflow">for</span> (i = 0; i &lt; 128; i++) {
    704. 

  704. <a name="l00690"></a>00690       <span class="keywordflow">if</span> (synth-&gt;tuning[i] != NULL) {
    705. 

  705. <a name="l00691"></a>00691         <span class="keywordflow">for</span> (k = 0; k &lt; 128; k++) {
    706. 

  706. <a name="l00692"></a>00692           <span class="keywordflow">if</span> (synth-&gt;tuning[i][k] != NULL) {
    707. 

  707. <a name="l00693"></a>00693             FLUID_FREE(synth-&gt;tuning[i][k]);
    708. 

  708. <a name="l00694"></a>00694           }
    709. 

  709. <a name="l00695"></a>00695         }
    710. 

  710. <a name="l00696"></a>00696         FLUID_FREE(synth-&gt;tuning[i]);
    711. 

  711. <a name="l00697"></a>00697       }
    712. 

  712. <a name="l00698"></a>00698     }
    713. 

  713. <a name="l00699"></a>00699     FLUID_FREE(synth-&gt;tuning);
    714. 

  714. <a name="l00700"></a>00700   }
    715. 

  715. <a name="l00701"></a>00701 
    716. 

  716. <a name="l00702"></a>00702 <span class="preprocessor">#ifdef LADSPA</span>
    717. 

  717. <a name="l00703"></a>00703 <span class="preprocessor"></span>  <span class="comment">/* Release the LADSPA Fx unit */</span>
    718. 

  718. <a name="l00704"></a>00704   fluid_LADSPA_shutdown(synth-&gt;LADSPA_FxUnit);
    719. 

  719. <a name="l00705"></a>00705   FLUID_FREE(synth-&gt;LADSPA_FxUnit);
    720. 

  720. <a name="l00706"></a>00706 <span class="preprocessor">#endif</span>
    721. 

  721. <a name="l00707"></a>00707 <span class="preprocessor"></span>
    722. 

  722. <a name="l00708"></a>00708   fluid_mutex_destroy(synth-&gt;busy);
    723. 

  723. <a name="l00709"></a>00709 
    724. 

  724. <a name="l00710"></a>00710   FLUID_FREE(synth);
    725. 

  725. <a name="l00711"></a>00711 
    726. 

  726. <a name="l00712"></a>00712   <span class="keywordflow">return</span> FLUID_OK;
    727. 

  727. <a name="l00713"></a>00713 }
    728. 

  728. <a name="l00714"></a>00714 
    729. 

  729. <a name="l00715"></a>00715 <span class="comment">/*</span>
    730. 

  730. <a name="l00716"></a>00716 <span class="comment"> * fluid_synth_error</span>
    731. 

  731. <a name="l00717"></a>00717 <span class="comment"> *</span>
    732. 

  732. <a name="l00718"></a>00718 <span class="comment"> * The error messages are not thread-save, yet. They are still stored</span>
    733. 

  733. <a name="l00719"></a>00719 <span class="comment"> * in a global message buffer (see fluid_sys.c).</span>
    734. 

  734. <a name="l00720"></a>00720 <span class="comment"> * */</span>
    735. 

  735. <a name="l00721"></a>00721 <span class="keywordtype">char</span>*
    736. 

  736. <a name="l00722"></a>00722 fluid_synth_error(fluid_synth_t* synth)
    737. 

  737. <a name="l00723"></a>00723 {
    738. 

  738. <a name="l00724"></a>00724   <span class="keywordflow">return</span> fluid_error();
    739. 

  739. <a name="l00725"></a>00725 }
    740. 

  740. <a name="l00726"></a>00726 
    741. 

  741. <a name="l00727"></a>00727 <span class="comment">/*</span>
    742. 

  742. <a name="l00728"></a>00728 <span class="comment"> * fluid_synth_noteon</span>
    743. 

  743. <a name="l00729"></a>00729 <span class="comment"> */</span>
    744. 

  744. <a name="l00730"></a>00730 <span class="keywordtype">int</span>
    745. 

  745. <a name="l00731"></a>00731 fluid_synth_noteon(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> key, <span class="keywordtype">int</span> vel)
    746. 

  746. <a name="l00732"></a>00732 {
    747. 

  747. <a name="l00733"></a>00733   fluid_channel_t* channel;
    748. 

  748. <a name="l00734"></a>00734   <span class="keywordtype">int</span> r = FLUID_FAILED;
    749. 

  749. <a name="l00735"></a>00735 
    750. 

  750. <a name="l00736"></a>00736   <span class="comment">/* check the ranges of the arguments */</span>
    751. 

  751. <a name="l00737"></a>00737   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    752. 

  752. <a name="l00738"></a>00738     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    753. 

  753. <a name="l00739"></a>00739     <span class="keywordflow">return</span> FLUID_FAILED;
    754. 

  754. <a name="l00740"></a>00740   }
    755. 

  755. <a name="l00741"></a>00741 
    756. 

  756. <a name="l00742"></a>00742   <span class="comment">/* notes with velocity zero go to noteoff  */</span>
    757. 

  757. <a name="l00743"></a>00743   <span class="keywordflow">if</span> (vel == 0) {
    758. 

  758. <a name="l00744"></a>00744     <span class="keywordflow">return</span> fluid_synth_noteoff(synth, chan, key);
    759. 

  759. <a name="l00745"></a>00745   }
    760. 

  760. <a name="l00746"></a>00746 
    761. 

  761. <a name="l00747"></a>00747   channel = synth-&gt;channel[chan];
    762. 

  762. <a name="l00748"></a>00748 
    763. 

  763. <a name="l00749"></a>00749   <span class="comment">/* make sure this channel has a preset */</span>
    764. 

  764. <a name="l00750"></a>00750   <span class="keywordflow">if</span> (channel-&gt;preset == NULL) {
    765. 

  765. <a name="l00751"></a>00751     <span class="keywordflow">if</span> (synth-&gt;verbose) {
    766. 

  766. <a name="l00752"></a>00752       FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9edfa902517702f2dd8ae849b810175ac4" title="Verbose informational messages.">FLUID_INFO</a>, <span class="stringliteral">"noteon\t%d\t%d\t%d\t%05d\t%.3f\t%.3f\t%.3f\t%d\t%s"</span>,
    767. 

  767. <a name="l00753"></a>00753                chan, key, vel, 0,
    768. 

  768. <a name="l00754"></a>00754                (<span class="keywordtype">float</span>) synth-&gt;ticks / 44100.0f,
    769. 

  769. <a name="l00755"></a>00755                (fluid_curtime() - synth-&gt;start) / 1000.0f,
    770. 

  770. <a name="l00756"></a>00756                0.0f, 0, <span class="stringliteral">"channel has no preset"</span>);
    771. 

  771. <a name="l00757"></a>00757     }
    772. 

  772. <a name="l00758"></a>00758     <span class="keywordflow">return</span> FLUID_FAILED;
    773. 

  773. <a name="l00759"></a>00759   }
    774. 

  774. <a name="l00760"></a>00760 
    775. 

  775. <a name="l00761"></a>00761   <span class="comment">/* If there is another voice process on the same channel and key,</span>
    776. 

  776. <a name="l00762"></a>00762 <span class="comment">     advance it to the release phase. */</span>
    777. 

  777. <a name="l00763"></a>00763   fluid_synth_release_voice_on_same_note(synth, chan, key);
    778. 

  778. <a name="l00764"></a>00764 
    779. 

  779. <a name="l00765"></a>00765   <span class="keywordflow">return</span> fluid_synth_start(synth, synth-&gt;noteid++, channel-&gt;preset, 0, chan, key, vel);
    780. 

  780. <a name="l00766"></a>00766 }
    781. 

  781. <a name="l00767"></a>00767 
    782. 

  782. <a name="l00768"></a>00768 <span class="comment">/*</span>
    783. 

  783. <a name="l00769"></a>00769 <span class="comment"> * fluid_synth_noteoff</span>
    784. 

  784. <a name="l00770"></a>00770 <span class="comment"> */</span>
    785. 

  785. <a name="l00771"></a>00771 <span class="keywordtype">int</span>
    786. 

  786. <a name="l00772"></a>00772 fluid_synth_noteoff(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> key)
    787. 

  787. <a name="l00773"></a>00773 {
    788. 

  788. <a name="l00774"></a>00774   <span class="keywordtype">int</span> i;
    789. 

  789. <a name="l00775"></a>00775   fluid_voice_t* voice;
    790. 

  790. <a name="l00776"></a>00776   <span class="keywordtype">int</span> status = FLUID_FAILED;
    791. 

  791. <a name="l00777"></a>00777 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    792. 

  792. <a name="l00778"></a>00778 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    793. 

  793. <a name="l00779"></a>00779 
    794. 

  794. <a name="l00780"></a>00780   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    795. 

  795. <a name="l00781"></a>00781     voice = synth-&gt;voice[i];
    796. 

  796. <a name="l00782"></a>00782     <span class="keywordflow">if</span> (_ON(voice) &amp;&amp; (voice-&gt;chan == chan) &amp;&amp; (voice-&gt;key == key)) {
    797. 

  797. <a name="l00783"></a>00783       <span class="keywordflow">if</span> (synth-&gt;verbose) {
    798. 

  798. <a name="l00784"></a>00784         <span class="keywordtype">int</span> used_voices = 0;
    799. 

  799. <a name="l00785"></a>00785         <span class="keywordtype">int</span> k;
    800. 

  800. <a name="l00786"></a>00786         <span class="keywordflow">for</span> (k = 0; k &lt; synth-&gt;polyphony; k++) {
    801. 

  801. <a name="l00787"></a>00787           <span class="keywordflow">if</span> (!_AVAILABLE(synth-&gt;voice[k])) {
    802. 

  802. <a name="l00788"></a>00788             used_voices++;
    803. 

  803. <a name="l00789"></a>00789           }
    804. 

  804. <a name="l00790"></a>00790         }
    805. 

  805. <a name="l00791"></a>00791         FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9edfa902517702f2dd8ae849b810175ac4" title="Verbose informational messages.">FLUID_INFO</a>, <span class="stringliteral">"noteoff\t%d\t%d\t%d\t%05d\t%.3f\t%.3f\t%.3f\t%d"</span>,
    806. 

  806. <a name="l00792"></a>00792                  voice-&gt;chan, voice-&gt;key, 0, voice-&gt;id,
    807. 

  807. <a name="l00793"></a>00793                  (<span class="keywordtype">float</span>) (voice-&gt;start_time + voice-&gt;ticks) / 44100.0f,
    808. 

  808. <a name="l00794"></a>00794                  (fluid_curtime() - synth-&gt;start) / 1000.0f,
    809. 

  809. <a name="l00795"></a>00795                  (<span class="keywordtype">float</span>) voice-&gt;ticks / 44100.0f,
    810. 

  810. <a name="l00796"></a>00796                  used_voices);
    811. 

  811. <a name="l00797"></a>00797       } <span class="comment">/* if verbose */</span>
    812. 

  812. <a name="l00798"></a>00798       fluid_voice_noteoff(voice);
    813. 

  813. <a name="l00799"></a>00799       status = FLUID_OK;
    814. 

  814. <a name="l00800"></a>00800     } <span class="comment">/* if voice on */</span>
    815. 

  815. <a name="l00801"></a>00801   } <span class="comment">/* for all voices */</span>
    816. 

  816. <a name="l00802"></a>00802   <span class="keywordflow">return</span> status;
    817. 

  817. <a name="l00803"></a>00803 }
    818. 

  818. <a name="l00804"></a>00804 
    819. 

  819. <a name="l00805"></a>00805 <span class="comment">/*</span>
    820. 

  820. <a name="l00806"></a>00806 <span class="comment"> * fluid_synth_damp_voices</span>
    821. 

  821. <a name="l00807"></a>00807 <span class="comment"> */</span>
    822. 

  822. <a name="l00808"></a>00808 <span class="keywordtype">int</span>
    823. 

  823. <a name="l00809"></a>00809 fluid_synth_damp_voices(fluid_synth_t* synth, <span class="keywordtype">int</span> chan)
    824. 

  824. <a name="l00810"></a>00810 {
    825. 

  825. <a name="l00811"></a>00811   <span class="keywordtype">int</span> i;
    826. 

  826. <a name="l00812"></a>00812   fluid_voice_t* voice;
    827. 

  827. <a name="l00813"></a>00813 
    828. 

  828. <a name="l00814"></a>00814 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    829. 

  829. <a name="l00815"></a>00815 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    830. 

  830. <a name="l00816"></a>00816 
    831. 

  831. <a name="l00817"></a>00817   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    832. 

  832. <a name="l00818"></a>00818     voice = synth-&gt;voice[i];
    833. 

  833. <a name="l00819"></a>00819     <span class="keywordflow">if</span> ((voice-&gt;chan == chan) &amp;&amp; _SUSTAINED(voice)) {
    834. 

  834. <a name="l00820"></a>00820 <span class="comment">/*        printf("turned off sustained note: chan=%d, key=%d, vel=%d\n", voice-&gt;chan, voice-&gt;key, voice-&gt;vel); */</span>
    835. 

  835. <a name="l00821"></a>00821       fluid_voice_noteoff(voice);
    836. 

  836. <a name="l00822"></a>00822     }
    837. 

  837. <a name="l00823"></a>00823   }
    838. 

  838. <a name="l00824"></a>00824 
    839. 

  839. <a name="l00825"></a>00825   <span class="keywordflow">return</span> FLUID_OK;
    840. 

  840. <a name="l00826"></a>00826 }
    841. 

  841. <a name="l00827"></a>00827 
    842. 

  842. <a name="l00828"></a>00828 <span class="comment">/*</span>
    843. 

  843. <a name="l00829"></a>00829 <span class="comment"> * fluid_synth_cc</span>
    844. 

  844. <a name="l00830"></a>00830 <span class="comment"> */</span>
    845. 

  845. <a name="l00831"></a>00831 <span class="keywordtype">int</span>
    846. 

  846. <a name="l00832"></a>00832 fluid_synth_cc(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> num, <span class="keywordtype">int</span> val)
    847. 

  847. <a name="l00833"></a>00833 {
    848. 

  848. <a name="l00834"></a>00834 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    849. 

  849. <a name="l00835"></a>00835 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    850. 

  850. <a name="l00836"></a>00836 
    851. 

  851. <a name="l00837"></a>00837   <span class="comment">/* check the ranges of the arguments */</span>
    852. 

  852. <a name="l00838"></a>00838   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    853. 

  853. <a name="l00839"></a>00839     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    854. 

  854. <a name="l00840"></a>00840     <span class="keywordflow">return</span> FLUID_FAILED;
    855. 

  855. <a name="l00841"></a>00841   }
    856. 

  856. <a name="l00842"></a>00842   <span class="keywordflow">if</span> ((num &lt; 0) || (num &gt;= 128)) {
    857. 

  857. <a name="l00843"></a>00843     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Ctrl out of range"</span>);
    858. 

  858. <a name="l00844"></a>00844     <span class="keywordflow">return</span> FLUID_FAILED;
    859. 

  859. <a name="l00845"></a>00845   }
    860. 

  860. <a name="l00846"></a>00846   <span class="keywordflow">if</span> ((val &lt; 0) || (val &gt;= 128)) {
    861. 

  861. <a name="l00847"></a>00847     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Value out of range"</span>);
    862. 

  862. <a name="l00848"></a>00848     <span class="keywordflow">return</span> FLUID_FAILED;
    863. 

  863. <a name="l00849"></a>00849   }
    864. 

  864. <a name="l00850"></a>00850 
    865. 

  865. <a name="l00851"></a>00851   <span class="keywordflow">if</span> (synth-&gt;verbose) {
    866. 

  866. <a name="l00852"></a>00852     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9edfa902517702f2dd8ae849b810175ac4" title="Verbose informational messages.">FLUID_INFO</a>, <span class="stringliteral">"cc\t%d\t%d\t%d"</span>, chan, num, val);
    867. 

  867. <a name="l00853"></a>00853   }
    868. 

  868. <a name="l00854"></a>00854 
    869. 

  869. <a name="l00855"></a>00855   <span class="comment">/* set the controller value in the channel */</span>
    870. 

  870. <a name="l00856"></a>00856   fluid_channel_cc(synth-&gt;channel[chan], num, val);
    871. 

  871. <a name="l00857"></a>00857 
    872. 

  872. <a name="l00858"></a>00858   <span class="keywordflow">return</span> FLUID_OK;
    873. 

  873. <a name="l00859"></a>00859 }
    874. 

  874. <a name="l00860"></a>00860 
    875. 

  875. <a name="l00861"></a>00861 <span class="comment">/*</span>
    876. 

  876. <a name="l00862"></a>00862 <span class="comment"> * fluid_synth_cc</span>
    877. 

  877. <a name="l00863"></a>00863 <span class="comment"> */</span>
    878. 

  878. <a name="l00864"></a>00864 <span class="keywordtype">int</span>
    879. 

  879. <a name="l00865"></a>00865 fluid_synth_get_cc(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> num, <span class="keywordtype">int</span>* pval)
    880. 

  880. <a name="l00866"></a>00866 {
    881. 

  881. <a name="l00867"></a>00867   <span class="comment">/* check the ranges of the arguments */</span>
    882. 

  882. <a name="l00868"></a>00868   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    883. 

  883. <a name="l00869"></a>00869     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    884. 

  884. <a name="l00870"></a>00870     <span class="keywordflow">return</span> FLUID_FAILED;
    885. 

  885. <a name="l00871"></a>00871   }
    886. 

  886. <a name="l00872"></a>00872   <span class="keywordflow">if</span> ((num &lt; 0) || (num &gt;= 128)) {
    887. 

  887. <a name="l00873"></a>00873     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Ctrl out of range"</span>);
    888. 

  888. <a name="l00874"></a>00874     <span class="keywordflow">return</span> FLUID_FAILED;
    889. 

  889. <a name="l00875"></a>00875   }
    890. 

  890. <a name="l00876"></a>00876 
    891. 

  891. <a name="l00877"></a>00877   *pval = synth-&gt;channel[chan]-&gt;cc[num];
    892. 

  892. <a name="l00878"></a>00878   <span class="keywordflow">return</span> FLUID_OK;
    893. 

  893. <a name="l00879"></a>00879 }
    894. 

  894. <a name="l00880"></a>00880 
    895. 

  895. <a name="l00881"></a>00881 <span class="comment">/*</span>
    896. 

  896. <a name="l00882"></a>00882 <span class="comment"> * fluid_synth_all_notes_off</span>
    897. 

  897. <a name="l00883"></a>00883 <span class="comment"> *</span>
    898. 

  898. <a name="l00884"></a>00884 <span class="comment"> * put all notes on this channel into released state.</span>
    899. 

  899. <a name="l00885"></a>00885 <span class="comment"> */</span>
    900. 

  900. <a name="l00886"></a>00886 <span class="keywordtype">int</span>
    901. 

  901. <a name="l00887"></a>00887 fluid_synth_all_notes_off(fluid_synth_t* synth, <span class="keywordtype">int</span> chan)
    902. 

  902. <a name="l00888"></a>00888 {
    903. 

  903. <a name="l00889"></a>00889   <span class="keywordtype">int</span> i;
    904. 

  904. <a name="l00890"></a>00890   fluid_voice_t* voice;
    905. 

  905. <a name="l00891"></a>00891 
    906. 

  906. <a name="l00892"></a>00892   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    907. 

  907. <a name="l00893"></a>00893     voice = synth-&gt;voice[i];
    908. 

  908. <a name="l00894"></a>00894     <span class="keywordflow">if</span> (_PLAYING(voice) &amp;&amp; (voice-&gt;chan == chan)) {
    909. 

  909. <a name="l00895"></a>00895       fluid_voice_noteoff(voice);
    910. 

  910. <a name="l00896"></a>00896     }
    911. 

  911. <a name="l00897"></a>00897   }
    912. 

  912. <a name="l00898"></a>00898   <span class="keywordflow">return</span> FLUID_OK;
    913. 

  913. <a name="l00899"></a>00899 }
    914. 

  914. <a name="l00900"></a>00900 
    915. 

  915. <a name="l00901"></a>00901 <span class="comment">/*</span>
    916. 

  916. <a name="l00902"></a>00902 <span class="comment"> * fluid_synth_all_sounds_off</span>
    917. 

  917. <a name="l00903"></a>00903 <span class="comment"> *</span>
    918. 

  918. <a name="l00904"></a>00904 <span class="comment"> * immediately stop all notes on this channel.</span>
    919. 

  919. <a name="l00905"></a>00905 <span class="comment"> */</span>
    920. 

  920. <a name="l00906"></a>00906 <span class="keywordtype">int</span>
    921. 

  921. <a name="l00907"></a>00907 fluid_synth_all_sounds_off(fluid_synth_t* synth, <span class="keywordtype">int</span> chan)
    922. 

  922. <a name="l00908"></a>00908 {
    923. 

  923. <a name="l00909"></a>00909   <span class="keywordtype">int</span> i;
    924. 

  924. <a name="l00910"></a>00910   fluid_voice_t* voice;
    925. 

  925. <a name="l00911"></a>00911 
    926. 

  926. <a name="l00912"></a>00912   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    927. 

  927. <a name="l00913"></a>00913     voice = synth-&gt;voice[i];
    928. 

  928. <a name="l00914"></a>00914     <span class="keywordflow">if</span> (_PLAYING(voice) &amp;&amp; (voice-&gt;chan == chan)) {
    929. 

  929. <a name="l00915"></a>00915       fluid_voice_off(voice);
    930. 

  930. <a name="l00916"></a>00916     }
    931. 

  931. <a name="l00917"></a>00917   }
    932. 

  932. <a name="l00918"></a>00918   <span class="keywordflow">return</span> FLUID_OK;
    933. 

  933. <a name="l00919"></a>00919 }
    934. 

  934. <a name="l00920"></a>00920 
    935. 

  935. <a name="l00921"></a>00921 <span class="comment">/*</span>
    936. 

  936. <a name="l00922"></a>00922 <span class="comment"> * fluid_synth_system_reset</span>
    937. 

  937. <a name="l00923"></a>00923 <span class="comment"> *</span>
    938. 

  938. <a name="l00924"></a>00924 <span class="comment"> * Purpose:</span>
    939. 

  939. <a name="l00925"></a>00925 <span class="comment"> * Respond to the MIDI command 'system reset' (0xFF, big red 'panic' button)</span>
    940. 

  940. <a name="l00926"></a>00926 <span class="comment"> */</span>
    941. 

  941. <a name="l00927"></a>00927 <span class="keywordtype">int</span>
    942. 

  942. <a name="l00928"></a>00928 fluid_synth_system_reset(fluid_synth_t* synth)
    943. 

  943. <a name="l00929"></a>00929 {
    944. 

  944. <a name="l00930"></a>00930   <span class="keywordtype">int</span> i;
    945. 

  945. <a name="l00931"></a>00931   fluid_voice_t* voice;
    946. 

  946. <a name="l00932"></a>00932 
    947. 

  947. <a name="l00933"></a>00933   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    948. 

  948. <a name="l00934"></a>00934     voice = synth-&gt;voice[i];
    949. 

  949. <a name="l00935"></a>00935     <span class="keywordflow">if</span> (_PLAYING(voice)) {
    950. 

  950. <a name="l00936"></a>00936       fluid_voice_off(voice);
    951. 

  951. <a name="l00937"></a>00937     }
    952. 

  952. <a name="l00938"></a>00938   }
    953. 

  953. <a name="l00939"></a>00939 
    954. 

  954. <a name="l00940"></a>00940   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;midi_channels; i++) {
    955. 

  955. <a name="l00941"></a>00941     fluid_channel_reset(synth-&gt;channel[i]);
    956. 

  956. <a name="l00942"></a>00942   }
    957. 

  957. <a name="l00943"></a>00943 
    958. 

  958. <a name="l00944"></a>00944   fluid_chorus_reset(synth-&gt;chorus);
    959. 

  959. <a name="l00945"></a>00945   fluid_revmodel_reset(synth-&gt;reverb);
    960. 

  960. <a name="l00946"></a>00946 
    961. 

  961. <a name="l00947"></a>00947   <span class="keywordflow">return</span> FLUID_OK;
    962. 

  962. <a name="l00948"></a>00948 }
    963. 

  963. <a name="l00949"></a>00949 
    964. 

  964. <a name="l00950"></a>00950 <span class="comment">/*</span>
    965. 

  965. <a name="l00951"></a>00951 <span class="comment"> * fluid_synth_modulate_voices</span>
    966. 

  966. <a name="l00952"></a>00952 <span class="comment"> *</span>
    967. 

  967. <a name="l00953"></a>00953 <span class="comment"> * tell all synthesis processes on this channel to update their</span>
    968. 

  968. <a name="l00954"></a>00954 <span class="comment"> * synthesis parameters after a control change.</span>
    969. 

  969. <a name="l00955"></a>00955 <span class="comment"> */</span>
    970. 

  970. <a name="l00956"></a>00956 <span class="keywordtype">int</span>
    971. 

  971. <a name="l00957"></a>00957 fluid_synth_modulate_voices(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> is_cc, <span class="keywordtype">int</span> ctrl)
    972. 

  972. <a name="l00958"></a>00958 {
    973. 

  973. <a name="l00959"></a>00959   <span class="keywordtype">int</span> i;
    974. 

  974. <a name="l00960"></a>00960   fluid_voice_t* voice;
    975. 

  975. <a name="l00961"></a>00961 
    976. 

  976. <a name="l00962"></a>00962 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    977. 

  977. <a name="l00963"></a>00963 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    978. 

  978. <a name="l00964"></a>00964 
    979. 

  979. <a name="l00965"></a>00965   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    980. 

  980. <a name="l00966"></a>00966     voice = synth-&gt;voice[i];
    981. 

  981. <a name="l00967"></a>00967     <span class="keywordflow">if</span> (voice-&gt;chan == chan) {
    982. 

  982. <a name="l00968"></a>00968       fluid_voice_modulate(voice, is_cc, ctrl);
    983. 

  983. <a name="l00969"></a>00969     }
    984. 

  984. <a name="l00970"></a>00970   }
    985. 

  985. <a name="l00971"></a>00971   <span class="keywordflow">return</span> FLUID_OK;
    986. 

  986. <a name="l00972"></a>00972 }
    987. 

  987. <a name="l00973"></a>00973 
    988. 

  988. <a name="l00974"></a>00974 <span class="comment">/*</span>
    989. 

  989. <a name="l00975"></a>00975 <span class="comment"> * fluid_synth_modulate_voices_all</span>
    990. 

  990. <a name="l00976"></a>00976 <span class="comment"> *</span>
    991. 

  991. <a name="l00977"></a>00977 <span class="comment"> * Tell all synthesis processes on this channel to update their</span>
    992. 

  992. <a name="l00978"></a>00978 <span class="comment"> * synthesis parameters after an all control off message (i.e. all</span>
    993. 

  993. <a name="l00979"></a>00979 <span class="comment"> * controller have been reset to their default value).</span>
    994. 

  994. <a name="l00980"></a>00980 <span class="comment"> */</span>
    995. 

  995. <a name="l00981"></a>00981 <span class="keywordtype">int</span>
    996. 

  996. <a name="l00982"></a>00982 fluid_synth_modulate_voices_all(fluid_synth_t* synth, <span class="keywordtype">int</span> chan)
    997. 

  997. <a name="l00983"></a>00983 {
    998. 

  998. <a name="l00984"></a>00984   <span class="keywordtype">int</span> i;
    999. 

  999. <a name="l00985"></a>00985   fluid_voice_t* voice;
    1000. 

  1000. <a name="l00986"></a>00986 
    1001. 

  1001. <a name="l00987"></a>00987 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    1002. 

  1002. <a name="l00988"></a>00988 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    1003. 

  1003. <a name="l00989"></a>00989 
    1004. 

  1004. <a name="l00990"></a>00990   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    1005. 

  1005. <a name="l00991"></a>00991     voice = synth-&gt;voice[i];
    1006. 

  1006. <a name="l00992"></a>00992     <span class="keywordflow">if</span> (voice-&gt;chan == chan) {
    1007. 

  1007. <a name="l00993"></a>00993       fluid_voice_modulate_all(voice);
    1008. 

  1008. <a name="l00994"></a>00994     }
    1009. 

  1009. <a name="l00995"></a>00995   }
    1010. 

  1010. <a name="l00996"></a>00996   <span class="keywordflow">return</span> FLUID_OK;
    1011. 

  1011. <a name="l00997"></a>00997 }
    1012. 

  1012. <a name="l00998"></a>00998 
    1013. 

  1013. <a name="l00999"></a>00999 <span class="comment">/*</span>
    1014. 

  1014. <a name="l01000"></a>01000 <span class="comment"> * fluid_synth_pitch_bend</span>
    1015. 

  1015. <a name="l01001"></a>01001 <span class="comment"> */</span>
    1016. 

  1016. <a name="l01002"></a>01002 <span class="keywordtype">int</span>
    1017. 

  1017. <a name="l01003"></a>01003 fluid_synth_pitch_bend(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> val)
    1018. 

  1018. <a name="l01004"></a>01004 {
    1019. 

  1019. <a name="l01005"></a>01005 
    1020. 

  1020. <a name="l01006"></a>01006 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    1021. 

  1021. <a name="l01007"></a>01007 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    1022. 

  1022. <a name="l01008"></a>01008 
    1023. 

  1023. <a name="l01009"></a>01009   <span class="comment">/* check the ranges of the arguments */</span>
    1024. 

  1024. <a name="l01010"></a>01010   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    1025. 

  1025. <a name="l01011"></a>01011     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    1026. 

  1026. <a name="l01012"></a>01012     <span class="keywordflow">return</span> FLUID_FAILED;
    1027. 

  1027. <a name="l01013"></a>01013   }
    1028. 

  1028. <a name="l01014"></a>01014 
    1029. 

  1029. <a name="l01015"></a>01015   <span class="keywordflow">if</span> (synth-&gt;verbose) {
    1030. 

  1030. <a name="l01016"></a>01016     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9edfa902517702f2dd8ae849b810175ac4" title="Verbose informational messages.">FLUID_INFO</a>, <span class="stringliteral">"pitchb\t%d\t%d"</span>, chan, val);
    1031. 

  1031. <a name="l01017"></a>01017   }
    1032. 

  1032. <a name="l01018"></a>01018 
    1033. 

  1033. <a name="l01019"></a>01019   <span class="comment">/* set the pitch-bend value in the channel */</span>
    1034. 

  1034. <a name="l01020"></a>01020   fluid_channel_pitch_bend(synth-&gt;channel[chan], val);
    1035. 

  1035. <a name="l01021"></a>01021 
    1036. 

  1036. <a name="l01022"></a>01022   <span class="keywordflow">return</span> FLUID_OK;
    1037. 

  1037. <a name="l01023"></a>01023 }
    1038. 

  1038. <a name="l01024"></a>01024 
    1039. 

  1039. <a name="l01025"></a>01025 <span class="comment">/*</span>
    1040. 

  1040. <a name="l01026"></a>01026 <span class="comment"> * fluid_synth_pitch_bend</span>
    1041. 

  1041. <a name="l01027"></a>01027 <span class="comment"> */</span>
    1042. 

  1042. <a name="l01028"></a>01028 <span class="keywordtype">int</span>
    1043. 

  1043. <a name="l01029"></a>01029 fluid_synth_get_pitch_bend(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span>* ppitch_bend)
    1044. 

  1044. <a name="l01030"></a>01030 {
    1045. 

  1045. <a name="l01031"></a>01031   <span class="comment">/* check the ranges of the arguments */</span>
    1046. 

  1046. <a name="l01032"></a>01032   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    1047. 

  1047. <a name="l01033"></a>01033     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    1048. 

  1048. <a name="l01034"></a>01034     <span class="keywordflow">return</span> FLUID_FAILED;
    1049. 

  1049. <a name="l01035"></a>01035   }
    1050. 

  1050. <a name="l01036"></a>01036 
    1051. 

  1051. <a name="l01037"></a>01037   *ppitch_bend = synth-&gt;channel[chan]-&gt;pitch_bend;
    1052. 

  1052. <a name="l01038"></a>01038   <span class="keywordflow">return</span> FLUID_OK;
    1053. 

  1053. <a name="l01039"></a>01039 }
    1054. 

  1054. <a name="l01040"></a>01040 
    1055. 

  1055. <a name="l01041"></a>01041 <span class="comment">/*</span>
    1056. 

  1056. <a name="l01042"></a>01042 <span class="comment"> * Fluid_synth_pitch_wheel_sens</span>
    1057. 

  1057. <a name="l01043"></a>01043 <span class="comment"> */</span>
    1058. 

  1058. <a name="l01044"></a>01044 <span class="keywordtype">int</span>
    1059. 

  1059. <a name="l01045"></a>01045 fluid_synth_pitch_wheel_sens(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> val)
    1060. 

  1060. <a name="l01046"></a>01046 {
    1061. 

  1061. <a name="l01047"></a>01047 
    1062. 

  1062. <a name="l01048"></a>01048   <span class="comment">/* check the ranges of the arguments */</span>
    1063. 

  1063. <a name="l01049"></a>01049   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    1064. 

  1064. <a name="l01050"></a>01050     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    1065. 

  1065. <a name="l01051"></a>01051     <span class="keywordflow">return</span> FLUID_FAILED;
    1066. 

  1066. <a name="l01052"></a>01052   }
    1067. 

  1067. <a name="l01053"></a>01053 
    1068. 

  1068. <a name="l01054"></a>01054   <span class="keywordflow">if</span> (synth-&gt;verbose) {
    1069. 

  1069. <a name="l01055"></a>01055     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9edfa902517702f2dd8ae849b810175ac4" title="Verbose informational messages.">FLUID_INFO</a>, <span class="stringliteral">"pitchsens\t%d\t%d"</span>, chan, val);
    1070. 

  1070. <a name="l01056"></a>01056   }
    1071. 

  1071. <a name="l01057"></a>01057 
    1072. 

  1072. <a name="l01058"></a>01058   <span class="comment">/* set the pitch-bend value in the channel */</span>
    1073. 

  1073. <a name="l01059"></a>01059   fluid_channel_pitch_wheel_sens(synth-&gt;channel[chan], val);
    1074. 

  1074. <a name="l01060"></a>01060 
    1075. 

  1075. <a name="l01061"></a>01061   <span class="keywordflow">return</span> FLUID_OK;
    1076. 

  1076. <a name="l01062"></a>01062 }
    1077. 

  1077. <a name="l01063"></a>01063 
    1078. 

  1078. <a name="l01064"></a>01064 <span class="comment">/*</span>
    1079. 

  1079. <a name="l01065"></a>01065 <span class="comment"> * fluid_synth_get_pitch_wheel_sens</span>
    1080. 

  1080. <a name="l01066"></a>01066 <span class="comment"> *</span>
    1081. 

  1081. <a name="l01067"></a>01067 <span class="comment"> * Note : this function was added after version 1.0 API freeze.</span>
    1082. 

  1082. <a name="l01068"></a>01068 <span class="comment"> * So its API is not in the synth.h file. It should be added in some later</span>
    1083. 

  1083. <a name="l01069"></a>01069 <span class="comment"> * version of fluidsynth. Maybe v2.0 ? -- Antoine Schmitt May 2003</span>
    1084. 

  1084. <a name="l01070"></a>01070 <span class="comment"> */</span>
    1085. 

  1085. <a name="l01071"></a>01071 
    1086. 

  1086. <a name="l01072"></a>01072 <span class="keywordtype">int</span>
    1087. 

  1087. <a name="l01073"></a>01073 fluid_synth_get_pitch_wheel_sens(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span>* pval)
    1088. 

  1088. <a name="l01074"></a>01074 {
    1089. 

  1089. <a name="l01075"></a>01075 
    1090. 

  1090. <a name="l01076"></a>01076   <span class="comment">// check the ranges of the arguments</span>
    1091. 

  1091. <a name="l01077"></a>01077   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    1092. 

  1092. <a name="l01078"></a>01078     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    1093. 

  1093. <a name="l01079"></a>01079     <span class="keywordflow">return</span> FLUID_FAILED;
    1094. 

  1094. <a name="l01080"></a>01080   }
    1095. 

  1095. <a name="l01081"></a>01081 
    1096. 

  1096. <a name="l01082"></a>01082   <span class="comment">// get the pitch-bend value in the channel</span>
    1097. 

  1097. <a name="l01083"></a>01083   *pval = synth-&gt;channel[chan]-&gt;pitch_wheel_sensitivity;
    1098. 

  1098. <a name="l01084"></a>01084 
    1099. 

  1099. <a name="l01085"></a>01085   <span class="keywordflow">return</span> FLUID_OK;
    1100. 

  1100. <a name="l01086"></a>01086 }
    1101. 

  1101. <a name="l01087"></a>01087 
    1102. 

  1102. <a name="l01088"></a>01088 <span class="comment">/*</span>
    1103. 

  1103. <a name="l01089"></a>01089 <span class="comment"> * fluid_synth_get_preset</span>
    1104. 

  1104. <a name="l01090"></a>01090 <span class="comment"> */</span>
    1105. 

  1105. <a name="l01091"></a>01091 <a class="code" href="struct__fluid__preset__t.html">fluid_preset_t</a>*
    1106. 

  1106. <a name="l01092"></a>01092 fluid_synth_get_preset(fluid_synth_t* synth, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sfontnum,
    1107. 

  1107. <a name="l01093"></a>01093                       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> banknum, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> prognum)
    1108. 

  1108. <a name="l01094"></a>01094 {
    1109. 

  1109. <a name="l01095"></a>01095   <a class="code" href="struct__fluid__preset__t.html">fluid_preset_t</a>* preset = NULL;
    1110. 

  1110. <a name="l01096"></a>01096   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont = NULL;
    1111. 

  1111. <a name="l01097"></a>01097   fluid_list_t* list = synth-&gt;sfont;
    1112. 

  1112. <a name="l01098"></a>01098   <span class="keywordtype">int</span> offset;
    1113. 

  1113. <a name="l01099"></a>01099 
    1114. 

  1114. <a name="l01100"></a>01100   sfont = fluid_synth_get_sfont_by_id(synth, sfontnum);
    1115. 

  1115. <a name="l01101"></a>01101 
    1116. 

  1116. <a name="l01102"></a>01102   <span class="keywordflow">if</span> (sfont != NULL) {
    1117. 

  1117. <a name="l01103"></a>01103     offset = fluid_synth_get_bank_offset(synth, sfontnum);
    1118. 

  1118. <a name="l01104"></a>01104     preset = fluid_sfont_get_preset(sfont, banknum - offset, prognum);
    1119. 

  1119. <a name="l01105"></a>01105     <span class="keywordflow">if</span> (preset != NULL) {
    1120. 

  1120. <a name="l01106"></a>01106       <span class="keywordflow">return</span> preset;
    1121. 

  1121. <a name="l01107"></a>01107     }
    1122. 

  1122. <a name="l01108"></a>01108   }
    1123. 

  1123. <a name="l01109"></a>01109   <span class="keywordflow">return</span> NULL;
    1124. 

  1124. <a name="l01110"></a>01110 }
    1125. 

  1125. <a name="l01111"></a>01111 
    1126. 

  1126. <a name="l01112"></a>01112 <span class="comment">/*</span>
    1127. 

  1127. <a name="l01113"></a>01113 <span class="comment"> * fluid_synth_get_preset2</span>
    1128. 

  1128. <a name="l01114"></a>01114 <span class="comment"> */</span>
    1129. 

  1129. <a name="l01115"></a>01115 <a class="code" href="struct__fluid__preset__t.html">fluid_preset_t</a>*
    1130. 

  1130. <a name="l01116"></a>01116 fluid_synth_get_preset2(fluid_synth_t* synth, <span class="keywordtype">char</span>* sfont_name,
    1131. 

  1131. <a name="l01117"></a>01117                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> banknum, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> prognum)
    1132. 

  1132. <a name="l01118"></a>01118 {
    1133. 

  1133. <a name="l01119"></a>01119   <a class="code" href="struct__fluid__preset__t.html">fluid_preset_t</a>* preset = NULL;
    1134. 

  1134. <a name="l01120"></a>01120   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont = NULL;
    1135. 

  1135. <a name="l01121"></a>01121   <span class="keywordtype">int</span> offset;
    1136. 

  1136. <a name="l01122"></a>01122 
    1137. 

  1137. <a name="l01123"></a>01123   sfont = fluid_synth_get_sfont_by_name(synth, sfont_name);
    1138. 

  1138. <a name="l01124"></a>01124 
    1139. 

  1139. <a name="l01125"></a>01125   <span class="keywordflow">if</span> (sfont != NULL) {
    1140. 

  1140. <a name="l01126"></a>01126     offset = fluid_synth_get_bank_offset(synth, fluid_sfont_get_id(sfont));
    1141. 

  1141. <a name="l01127"></a>01127     preset = fluid_sfont_get_preset(sfont, banknum - offset, prognum);
    1142. 

  1142. <a name="l01128"></a>01128     <span class="keywordflow">if</span> (preset != NULL) {
    1143. 

  1143. <a name="l01129"></a>01129       <span class="keywordflow">return</span> preset;
    1144. 

  1144. <a name="l01130"></a>01130     }
    1145. 

  1145. <a name="l01131"></a>01131   }
    1146. 

  1146. <a name="l01132"></a>01132   <span class="keywordflow">return</span> NULL;
    1147. 

  1147. <a name="l01133"></a>01133 }
    1148. 

  1148. <a name="l01134"></a>01134 
    1149. 

  1149. <a name="l01135"></a>01135 <a class="code" href="struct__fluid__preset__t.html">fluid_preset_t</a>* fluid_synth_find_preset(fluid_synth_t* synth,
    1150. 

  1150. <a name="l01136"></a>01136                                       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> banknum,
    1151. 

  1151. <a name="l01137"></a>01137                                       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> prognum)
    1152. 

  1152. <a name="l01138"></a>01138 {
    1153. 

  1153. <a name="l01139"></a>01139   <a class="code" href="struct__fluid__preset__t.html">fluid_preset_t</a>* preset = NULL;
    1154. 

  1154. <a name="l01140"></a>01140   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont = NULL;
    1155. 

  1155. <a name="l01141"></a>01141   fluid_list_t* list = synth-&gt;sfont;
    1156. 

  1156. <a name="l01142"></a>01142   <span class="keywordtype">int</span> offset;
    1157. 

  1157. <a name="l01143"></a>01143 
    1158. 

  1158. <a name="l01144"></a>01144   <span class="keywordflow">while</span> (list) {
    1159. 

  1159. <a name="l01145"></a>01145 
    1160. 

  1160. <a name="l01146"></a>01146     sfont = (<a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>*) fluid_list_get(list);
    1161. 

  1161. <a name="l01147"></a>01147     offset = fluid_synth_get_bank_offset(synth, fluid_sfont_get_id(sfont));
    1162. 

  1162. <a name="l01148"></a>01148     preset = fluid_sfont_get_preset(sfont, banknum - offset, prognum);
    1163. 

  1163. <a name="l01149"></a>01149 
    1164. 

  1164. <a name="l01150"></a>01150     <span class="keywordflow">if</span> (preset != NULL) {
    1165. 

  1165. <a name="l01151"></a>01151       preset-&gt;<a class="code" href="struct__fluid__preset__t.html#88abb2db089ec85c8793fadf6c6e12c3">sfont</a> = sfont; <span class="comment">/* FIXME */</span>
    1166. 

  1166. <a name="l01152"></a>01152       <span class="keywordflow">return</span> preset;
    1167. 

  1167. <a name="l01153"></a>01153     }
    1168. 

  1168. <a name="l01154"></a>01154 
    1169. 

  1169. <a name="l01155"></a>01155     list = fluid_list_next(list);
    1170. 

  1170. <a name="l01156"></a>01156 
    1171. 

  1171. <a name="l01157"></a>01157   }
    1172. 

  1172. <a name="l01158"></a>01158   <span class="keywordflow">return</span> NULL;
    1173. 

  1173. <a name="l01159"></a>01159 }
    1174. 

  1174. <a name="l01160"></a>01160 
    1175. 

  1175. <a name="l01161"></a>01161 
    1176. 

  1176. <a name="l01162"></a>01162 <span class="comment">/*</span>
    1177. 

  1177. <a name="l01163"></a>01163 <span class="comment"> * fluid_synth_program_change</span>
    1178. 

  1178. <a name="l01164"></a>01164 <span class="comment"> */</span>
    1179. 

  1179. <a name="l01165"></a>01165 <span class="keywordtype">int</span>
    1180. 

  1180. <a name="l01166"></a>01166 fluid_synth_program_change(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> prognum)
    1181. 

  1181. <a name="l01167"></a>01167 {
    1182. 

  1182. <a name="l01168"></a>01168   <a class="code" href="struct__fluid__preset__t.html">fluid_preset_t</a>* preset = NULL;
    1183. 

  1183. <a name="l01169"></a>01169   fluid_channel_t* channel;
    1184. 

  1184. <a name="l01170"></a>01170   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> banknum;
    1185. 

  1185. <a name="l01171"></a>01171   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sfont_id;
    1186. 

  1186. <a name="l01172"></a>01172 
    1187. 

  1187. <a name="l01173"></a>01173 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    1188. 

  1188. <a name="l01174"></a>01174 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    1189. 

  1189. <a name="l01175"></a>01175 
    1190. 

  1190. <a name="l01176"></a>01176   <span class="keywordflow">if</span> ((prognum &gt;= 0) &amp;&amp; (prognum &lt; FLUID_NUM_PROGRAMS) &amp;&amp;
    1191. 

  1191. <a name="l01177"></a>01177       (chan &gt;= 0) &amp;&amp; (chan &lt; synth-&gt;midi_channels)) {
    1192. 

  1192. <a name="l01178"></a>01178 
    1193. 

  1193. <a name="l01179"></a>01179     channel = synth-&gt;channel[chan];
    1194. 

  1194. <a name="l01180"></a>01180     banknum = fluid_channel_get_banknum(channel);
    1195. 

  1195. <a name="l01181"></a>01181 
    1196. 

  1196. <a name="l01182"></a>01182     <span class="comment">/* inform the channel of the new program number */</span>
    1197. 

  1197. <a name="l01183"></a>01183     fluid_channel_set_prognum(channel, prognum);
    1198. 

  1198. <a name="l01184"></a>01184 
    1199. 

  1199. <a name="l01185"></a>01185     <span class="keywordflow">if</span> (synth-&gt;verbose) {
    1200. 

  1200. <a name="l01186"></a>01186       FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9edfa902517702f2dd8ae849b810175ac4" title="Verbose informational messages.">FLUID_INFO</a>, <span class="stringliteral">"prog\t%d\t%d\t%d"</span>, chan, banknum, prognum);
    1201. 

  1201. <a name="l01187"></a>01187     }
    1202. 

  1202. <a name="l01188"></a>01188 
    1203. 

  1203. <a name="l01189"></a>01189     <span class="comment">/* special handling of channel 10 (or 9 counting from 0). channel</span>
    1204. 

  1204. <a name="l01190"></a>01190 <span class="comment">       10 is the percussion channel.  */</span>
    1205. 

  1205. <a name="l01191"></a>01191     <span class="keywordflow">if</span> (channel-&gt;channum == 9) {
    1206. 

  1206. <a name="l01192"></a>01192 
    1207. 

  1207. <a name="l01193"></a>01193       <span class="comment">/* try to search the drum instrument first */</span>
    1208. 

  1208. <a name="l01194"></a>01194       preset = fluid_synth_find_preset(synth, banknum | DRUM_INST_MASK, prognum);
    1209. 

  1209. <a name="l01195"></a>01195 
    1210. 

  1210. <a name="l01196"></a>01196       <span class="comment">/* if that fails try to search the melodic instrument */</span>
    1211. 

  1211. <a name="l01197"></a>01197       <span class="keywordflow">if</span> (preset == NULL) {
    1212. 

  1212. <a name="l01198"></a>01198         preset = fluid_synth_find_preset(synth, banknum, prognum);
    1213. 

  1213. <a name="l01199"></a>01199       }
    1214. 

  1214. <a name="l01200"></a>01200 
    1215. 

  1215. <a name="l01201"></a>01201     } <span class="keywordflow">else</span> {
    1216. 

  1216. <a name="l01202"></a>01202       preset = fluid_synth_find_preset(synth, banknum, prognum);
    1217. 

  1217. <a name="l01203"></a>01203     }
    1218. 

  1218. <a name="l01204"></a>01204 
    1219. 

  1219. <a name="l01205"></a>01205     sfont_id = preset? fluid_sfont_get_id(preset-&gt;<a class="code" href="struct__fluid__preset__t.html#88abb2db089ec85c8793fadf6c6e12c3">sfont</a>) : 0;
    1220. 

  1220. <a name="l01206"></a>01206     fluid_channel_set_sfontnum(channel, sfont_id);
    1221. 

  1221. <a name="l01207"></a>01207     fluid_channel_set_preset(channel, preset);
    1222. 

  1222. <a name="l01208"></a>01208 
    1223. 

  1223. <a name="l01209"></a>01209     <span class="keywordflow">return</span> FLUID_OK;
    1224. 

  1224. <a name="l01210"></a>01210   }
    1225. 

  1225. <a name="l01211"></a>01211 
    1226. 

  1226. <a name="l01212"></a>01212   FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Index out of range (chan=%d, prog=%d)"</span>, chan, prognum);
    1227. 

  1227. <a name="l01213"></a>01213   <span class="keywordflow">return</span> FLUID_FAILED;
    1228. 

  1228. <a name="l01214"></a>01214 }
    1229. 

  1229. <a name="l01215"></a>01215 
    1230. 

  1230. <a name="l01216"></a>01216 <span class="comment">/*</span>
    1231. 

  1231. <a name="l01217"></a>01217 <span class="comment"> * fluid_synth_bank_select</span>
    1232. 

  1232. <a name="l01218"></a>01218 <span class="comment"> */</span>
    1233. 

  1233. <a name="l01219"></a>01219 <span class="keywordtype">int</span> fluid_synth_bank_select(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bank)
    1234. 

  1234. <a name="l01220"></a>01220 {
    1235. 

  1235. <a name="l01221"></a>01221   <span class="keywordflow">if</span> ((chan &gt;= 0) &amp;&amp; (chan &lt; synth-&gt;midi_channels)) {
    1236. 

  1236. <a name="l01222"></a>01222     fluid_channel_set_banknum(synth-&gt;channel[chan], bank);
    1237. 

  1237. <a name="l01223"></a>01223     <span class="keywordflow">return</span> FLUID_OK;
    1238. 

  1238. <a name="l01224"></a>01224   }
    1239. 

  1239. <a name="l01225"></a>01225   <span class="keywordflow">return</span> FLUID_FAILED;
    1240. 

  1240. <a name="l01226"></a>01226 }
    1241. 

  1241. <a name="l01227"></a>01227 
    1242. 

  1242. <a name="l01228"></a>01228 
    1243. 

  1243. <a name="l01229"></a>01229 <span class="comment">/*</span>
    1244. 

  1244. <a name="l01230"></a>01230 <span class="comment"> * fluid_synth_sfont_select</span>
    1245. 

  1245. <a name="l01231"></a>01231 <span class="comment"> */</span>
    1246. 

  1246. <a name="l01232"></a>01232 <span class="keywordtype">int</span> fluid_synth_sfont_select(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sfont_id)
    1247. 

  1247. <a name="l01233"></a>01233 {
    1248. 

  1248. <a name="l01234"></a>01234   <span class="keywordflow">if</span> ((chan &gt;= 0) &amp;&amp; (chan &lt; synth-&gt;midi_channels)) {
    1249. 

  1249. <a name="l01235"></a>01235     fluid_channel_set_sfontnum(synth-&gt;channel[chan], sfont_id);
    1250. 

  1250. <a name="l01236"></a>01236     <span class="keywordflow">return</span> FLUID_OK;
    1251. 

  1251. <a name="l01237"></a>01237   }
    1252. 

  1252. <a name="l01238"></a>01238   <span class="keywordflow">return</span> FLUID_FAILED;
    1253. 

  1253. <a name="l01239"></a>01239 }
    1254. 

  1254. <a name="l01240"></a>01240 
    1255. 

  1255. <a name="l01241"></a>01241 <span class="comment">/*</span>
    1256. 

  1256. <a name="l01242"></a>01242 <span class="comment"> * fluid_synth_get_program</span>
    1257. 

  1257. <a name="l01243"></a>01243 <span class="comment"> */</span>
    1258. 

  1258. <a name="l01244"></a>01244 <span class="keywordtype">int</span>
    1259. 

  1259. <a name="l01245"></a>01245 fluid_synth_get_program(fluid_synth_t* synth, <span class="keywordtype">int</span> chan,
    1260. 

  1260. <a name="l01246"></a>01246                        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>* sfont_id, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>* bank_num, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>* preset_num)
    1261. 

  1261. <a name="l01247"></a>01247 {
    1262. 

  1262. <a name="l01248"></a>01248   fluid_channel_t* channel;
    1263. 

  1263. <a name="l01249"></a>01249   <span class="keywordflow">if</span> ((chan &gt;= 0) &amp;&amp; (chan &lt; synth-&gt;midi_channels)) {
    1264. 

  1264. <a name="l01250"></a>01250     channel = synth-&gt;channel[chan];
    1265. 

  1265. <a name="l01251"></a>01251     *sfont_id = fluid_channel_get_sfontnum(channel);
    1266. 

  1266. <a name="l01252"></a>01252     *bank_num = fluid_channel_get_banknum(channel);
    1267. 

  1267. <a name="l01253"></a>01253     *preset_num = fluid_channel_get_prognum(channel);
    1268. 

  1268. <a name="l01254"></a>01254     <span class="keywordflow">return</span> FLUID_OK;
    1269. 

  1269. <a name="l01255"></a>01255   }
    1270. 

  1270. <a name="l01256"></a>01256   <span class="keywordflow">return</span> FLUID_FAILED;
    1271. 

  1271. <a name="l01257"></a>01257 }
    1272. 

  1272. <a name="l01258"></a>01258 
    1273. 

  1273. <a name="l01259"></a>01259 <span class="comment">/*</span>
    1274. 

  1274. <a name="l01260"></a>01260 <span class="comment"> * fluid_synth_program_select</span>
    1275. 

  1275. <a name="l01261"></a>01261 <span class="comment"> */</span>
    1276. 

  1276. <a name="l01262"></a>01262 <span class="keywordtype">int</span> fluid_synth_program_select(fluid_synth_t* synth,
    1277. 

  1277. <a name="l01263"></a>01263                               <span class="keywordtype">int</span> chan,
    1278. 

  1278. <a name="l01264"></a>01264                               <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sfont_id,
    1279. 

  1279. <a name="l01265"></a>01265                               <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bank_num,
    1280. 

  1280. <a name="l01266"></a>01266                               <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> preset_num)
    1281. 

  1281. <a name="l01267"></a>01267 {
    1282. 

  1282. <a name="l01268"></a>01268   <a class="code" href="struct__fluid__preset__t.html">fluid_preset_t</a>* preset = NULL;
    1283. 

  1283. <a name="l01269"></a>01269   fluid_channel_t* channel;
    1284. 

  1284. <a name="l01270"></a>01270 
    1285. 

  1285. <a name="l01271"></a>01271   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    1286. 

  1286. <a name="l01272"></a>01272     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Channel number out of range (chan=%d)"</span>, chan);
    1287. 

  1287. <a name="l01273"></a>01273     <span class="keywordflow">return</span> FLUID_FAILED;
    1288. 

  1288. <a name="l01274"></a>01274   }
    1289. 

  1289. <a name="l01275"></a>01275   channel = synth-&gt;channel[chan];
    1290. 

  1290. <a name="l01276"></a>01276 
    1291. 

  1291. <a name="l01277"></a>01277   preset = fluid_synth_get_preset(synth, sfont_id, bank_num, preset_num);
    1292. 

  1292. <a name="l01278"></a>01278   <span class="keywordflow">if</span> (preset == NULL) {
    1293. 

  1293. <a name="l01279"></a>01279     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>,
    1294. 

  1294. <a name="l01280"></a>01280              <span class="stringliteral">"There is no preset with bank number %d and preset number %d in SoundFont %d"</span>,
    1295. 

  1295. <a name="l01281"></a>01281              bank_num, preset_num, sfont_id);
    1296. 

  1296. <a name="l01282"></a>01282     <span class="keywordflow">return</span> FLUID_FAILED;
    1297. 

  1297. <a name="l01283"></a>01283   }
    1298. 

  1298. <a name="l01284"></a>01284 
    1299. 

  1299. <a name="l01285"></a>01285   <span class="comment">/* inform the channel of the new bank and program number */</span>
    1300. 

  1300. <a name="l01286"></a>01286   fluid_channel_set_sfontnum(channel, sfont_id);
    1301. 

  1301. <a name="l01287"></a>01287   fluid_channel_set_banknum(channel, bank_num);
    1302. 

  1302. <a name="l01288"></a>01288   fluid_channel_set_prognum(channel, preset_num);
    1303. 

  1303. <a name="l01289"></a>01289 
    1304. 

  1304. <a name="l01290"></a>01290   fluid_channel_set_preset(channel, preset);
    1305. 

  1305. <a name="l01291"></a>01291 
    1306. 

  1306. <a name="l01292"></a>01292   <span class="keywordflow">return</span> FLUID_OK;
    1307. 

  1307. <a name="l01293"></a>01293 }
    1308. 

  1308. <a name="l01294"></a>01294 
    1309. 

  1309. <a name="l01295"></a>01295 <span class="comment">/*</span>
    1310. 

  1310. <a name="l01296"></a>01296 <span class="comment"> * fluid_synth_program_select2</span>
    1311. 

  1311. <a name="l01297"></a>01297 <span class="comment"> */</span>
    1312. 

  1312. <a name="l01298"></a>01298 <span class="keywordtype">int</span> fluid_synth_program_select2(fluid_synth_t* synth,
    1313. 

  1313. <a name="l01299"></a>01299                                 <span class="keywordtype">int</span> chan,
    1314. 

  1314. <a name="l01300"></a>01300                                 <span class="keywordtype">char</span>* sfont_name,
    1315. 

  1315. <a name="l01301"></a>01301                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bank_num,
    1316. 

  1316. <a name="l01302"></a>01302                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> preset_num)
    1317. 

  1317. <a name="l01303"></a>01303 {
    1318. 

  1318. <a name="l01304"></a>01304   <a class="code" href="struct__fluid__preset__t.html">fluid_preset_t</a>* preset = NULL;
    1319. 

  1319. <a name="l01305"></a>01305   fluid_channel_t* channel;
    1320. 

  1320. <a name="l01306"></a>01306   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont = NULL;
    1321. 

  1321. <a name="l01307"></a>01307   <span class="keywordtype">int</span> offset;
    1322. 

  1322. <a name="l01308"></a>01308 
    1323. 

  1323. <a name="l01309"></a>01309   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    1324. 

  1324. <a name="l01310"></a>01310     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Channel number out of range (chan=%d)"</span>, chan);
    1325. 

  1325. <a name="l01311"></a>01311     <span class="keywordflow">return</span> FLUID_FAILED;
    1326. 

  1326. <a name="l01312"></a>01312   }
    1327. 

  1327. <a name="l01313"></a>01313   channel = synth-&gt;channel[chan];
    1328. 

  1328. <a name="l01314"></a>01314 
    1329. 

  1329. <a name="l01315"></a>01315   sfont = fluid_synth_get_sfont_by_name(synth, sfont_name);
    1330. 

  1330. <a name="l01316"></a>01316   <span class="keywordflow">if</span> (sfont == NULL) {
    1331. 

  1331. <a name="l01317"></a>01317     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Could not find SoundFont %s"</span>, sfont_name);
    1332. 

  1332. <a name="l01318"></a>01318     <span class="keywordflow">return</span> FLUID_FAILED;
    1333. 

  1333. <a name="l01319"></a>01319   }
    1334. 

  1334. <a name="l01320"></a>01320 
    1335. 

  1335. <a name="l01321"></a>01321   offset = fluid_synth_get_bank_offset(synth, fluid_sfont_get_id(sfont));
    1336. 

  1336. <a name="l01322"></a>01322   preset = fluid_sfont_get_preset(sfont, bank_num - offset, preset_num);
    1337. 

  1337. <a name="l01323"></a>01323   <span class="keywordflow">if</span> (preset == NULL) {
    1338. 

  1338. <a name="l01324"></a>01324     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>,
    1339. 

  1339. <a name="l01325"></a>01325               <span class="stringliteral">"There is no preset with bank number %d and preset number %d in SoundFont %s"</span>,
    1340. 

  1340. <a name="l01326"></a>01326               bank_num, preset_num, sfont_name);
    1341. 

  1341. <a name="l01327"></a>01327     <span class="keywordflow">return</span> FLUID_FAILED;
    1342. 

  1342. <a name="l01328"></a>01328   }
    1343. 

  1343. <a name="l01329"></a>01329 
    1344. 

  1344. <a name="l01330"></a>01330   <span class="comment">/* inform the channel of the new bank and program number */</span>
    1345. 

  1345. <a name="l01331"></a>01331   fluid_channel_set_sfontnum(channel, fluid_sfont_get_id(sfont));
    1346. 

  1346. <a name="l01332"></a>01332   fluid_channel_set_banknum(channel, bank_num);
    1347. 

  1347. <a name="l01333"></a>01333   fluid_channel_set_prognum(channel, preset_num);
    1348. 

  1348. <a name="l01334"></a>01334 
    1349. 

  1349. <a name="l01335"></a>01335   fluid_channel_set_preset(channel, preset);
    1350. 

  1350. <a name="l01336"></a>01336 
    1351. 

  1351. <a name="l01337"></a>01337   <span class="keywordflow">return</span> FLUID_OK;
    1352. 

  1352. <a name="l01338"></a>01338 }
    1353. 

  1353. <a name="l01339"></a>01339 
    1354. 

  1354. <a name="l01340"></a>01340 <span class="comment">/*</span>
    1355. 

  1355. <a name="l01341"></a>01341 <span class="comment"> * fluid_synth_update_presets</span>
    1356. 

  1356. <a name="l01342"></a>01342 <span class="comment"> */</span>
    1357. 

  1357. <a name="l01343"></a>01343 <span class="keywordtype">void</span> fluid_synth_update_presets(fluid_synth_t* synth)
    1358. 

  1358. <a name="l01344"></a>01344 {
    1359. 

  1359. <a name="l01345"></a>01345   <span class="keywordtype">int</span> chan;
    1360. 

  1360. <a name="l01346"></a>01346   fluid_channel_t* channel;
    1361. 

  1361. <a name="l01347"></a>01347 
    1362. 

  1362. <a name="l01348"></a>01348   <span class="keywordflow">for</span> (chan = 0; chan &lt; synth-&gt;midi_channels; chan++) {
    1363. 

  1363. <a name="l01349"></a>01349     channel = synth-&gt;channel[chan];
    1364. 

  1364. <a name="l01350"></a>01350     fluid_channel_set_preset(channel,
    1365. 

  1365. <a name="l01351"></a>01351                             fluid_synth_get_preset(synth,
    1366. 

  1366. <a name="l01352"></a>01352                                                   fluid_channel_get_sfontnum(channel),
    1367. 

  1367. <a name="l01353"></a>01353                                                   fluid_channel_get_banknum(channel),
    1368. 

  1368. <a name="l01354"></a>01354                                                   fluid_channel_get_prognum(channel)));
    1369. 

  1369. <a name="l01355"></a>01355   }
    1370. 

  1370. <a name="l01356"></a>01356 }
    1371. 

  1371. <a name="l01357"></a>01357 
    1372. 

  1372. <a name="l01358"></a>01358 
    1373. 

  1373. <a name="l01359"></a>01359 <span class="comment">/*</span>
    1374. 

  1374. <a name="l01360"></a>01360 <span class="comment"> * fluid_synth_update_gain</span>
    1375. 

  1375. <a name="l01361"></a>01361 <span class="comment"> */</span>
    1376. 

  1376. <a name="l01362"></a>01362 <span class="keywordtype">int</span> fluid_synth_update_gain(fluid_synth_t* synth, <span class="keywordtype">char</span>* name, <span class="keywordtype">double</span> value)
    1377. 

  1377. <a name="l01363"></a>01363 {
    1378. 

  1378. <a name="l01364"></a>01364   fluid_synth_set_gain(synth, (<span class="keywordtype">float</span>) value);
    1379. 

  1379. <a name="l01365"></a>01365   <span class="keywordflow">return</span> 0;
    1380. 

  1380. <a name="l01366"></a>01366 }
    1381. 

  1381. <a name="l01367"></a>01367 
    1382. 

  1382. <a name="l01368"></a>01368 <span class="comment">/*</span>
    1383. 

  1383. <a name="l01369"></a>01369 <span class="comment"> * fluid_synth_set_gain</span>
    1384. 

  1384. <a name="l01370"></a>01370 <span class="comment"> */</span>
    1385. 

  1385. <a name="l01371"></a>01371 <span class="keywordtype">void</span> fluid_synth_set_gain(fluid_synth_t* synth, <span class="keywordtype">float</span> gain)
    1386. 

  1386. <a name="l01372"></a>01372 {
    1387. 

  1387. <a name="l01373"></a>01373   <span class="keywordtype">int</span> i;
    1388. 

  1388. <a name="l01374"></a>01374 
    1389. 

  1389. <a name="l01375"></a>01375   fluid_clip(gain, 0.0f, 10.0f);
    1390. 

  1390. <a name="l01376"></a>01376   synth-&gt;gain = gain;
    1391. 

  1391. <a name="l01377"></a>01377 
    1392. 

  1392. <a name="l01378"></a>01378   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    1393. 

  1393. <a name="l01379"></a>01379     fluid_voice_t* voice = synth-&gt;voice[i];
    1394. 

  1394. <a name="l01380"></a>01380     <span class="keywordflow">if</span> (_PLAYING(voice)) {
    1395. 

  1395. <a name="l01381"></a>01381       fluid_voice_set_gain(voice, gain);
    1396. 

  1396. <a name="l01382"></a>01382     }
    1397. 

  1397. <a name="l01383"></a>01383   }
    1398. 

  1398. <a name="l01384"></a>01384 }
    1399. 

  1399. <a name="l01385"></a>01385 
    1400. 

  1400. <a name="l01386"></a>01386 <span class="comment">/*</span>
    1401. 

  1401. <a name="l01387"></a>01387 <span class="comment"> * fluid_synth_get_gain</span>
    1402. 

  1402. <a name="l01388"></a>01388 <span class="comment"> */</span>
    1403. 

  1403. <a name="l01389"></a>01389 <span class="keywordtype">float</span> fluid_synth_get_gain(fluid_synth_t* synth)
    1404. 

  1404. <a name="l01390"></a>01390 {
    1405. 

  1405. <a name="l01391"></a>01391   <span class="keywordflow">return</span> synth-&gt;gain;
    1406. 

  1406. <a name="l01392"></a>01392 }
    1407. 

  1407. <a name="l01393"></a>01393 
    1408. 

  1408. <a name="l01394"></a>01394 <span class="comment">/*</span>
    1409. 

  1409. <a name="l01395"></a>01395 <span class="comment"> * fluid_synth_update_polyphony</span>
    1410. 

  1410. <a name="l01396"></a>01396 <span class="comment"> */</span>
    1411. 

  1411. <a name="l01397"></a>01397 <span class="keywordtype">int</span> fluid_synth_update_polyphony(fluid_synth_t* synth, <span class="keywordtype">char</span>* name, <span class="keywordtype">int</span> value)
    1412. 

  1412. <a name="l01398"></a>01398 {
    1413. 

  1413. <a name="l01399"></a>01399   fluid_synth_set_polyphony(synth, value);
    1414. 

  1414. <a name="l01400"></a>01400   <span class="keywordflow">return</span> 0;
    1415. 

  1415. <a name="l01401"></a>01401 }
    1416. 

  1416. <a name="l01402"></a>01402 
    1417. 

  1417. <a name="l01403"></a>01403 <span class="comment">/*</span>
    1418. 

  1418. <a name="l01404"></a>01404 <span class="comment"> * fluid_synth_set_polyphony</span>
    1419. 

  1419. <a name="l01405"></a>01405 <span class="comment"> */</span>
    1420. 

  1420. <a name="l01406"></a>01406 <span class="keywordtype">int</span> fluid_synth_set_polyphony(fluid_synth_t* synth, <span class="keywordtype">int</span> polyphony)
    1421. 

  1421. <a name="l01407"></a>01407 {
    1422. 

  1422. <a name="l01408"></a>01408   <span class="keywordtype">int</span> i;
    1423. 

  1423. <a name="l01409"></a>01409 
    1424. 

  1424. <a name="l01410"></a>01410   <span class="keywordflow">if</span> (polyphony &lt; 1 || polyphony &gt; synth-&gt;nvoice) {
    1425. 

  1425. <a name="l01411"></a>01411     <span class="keywordflow">return</span> FLUID_FAILED;
    1426. 

  1426. <a name="l01412"></a>01412   }
    1427. 

  1427. <a name="l01413"></a>01413 
    1428. 

  1428. <a name="l01414"></a>01414   <span class="comment">/* turn off any voices above the new limit */</span>
    1429. 

  1429. <a name="l01415"></a>01415   <span class="keywordflow">for</span> (i = polyphony; i &lt; synth-&gt;nvoice; i++) {
    1430. 

  1430. <a name="l01416"></a>01416     fluid_voice_t* voice = synth-&gt;voice[i];
    1431. 

  1431. <a name="l01417"></a>01417     <span class="keywordflow">if</span> (_PLAYING(voice)) {
    1432. 

  1432. <a name="l01418"></a>01418       fluid_voice_off(voice);
    1433. 

  1433. <a name="l01419"></a>01419     }
    1434. 

  1434. <a name="l01420"></a>01420   }
    1435. 

  1435. <a name="l01421"></a>01421 
    1436. 

  1436. <a name="l01422"></a>01422   synth-&gt;polyphony = polyphony;
    1437. 

  1437. <a name="l01423"></a>01423 
    1438. 

  1438. <a name="l01424"></a>01424   <span class="keywordflow">return</span> FLUID_OK;
    1439. 

  1439. <a name="l01425"></a>01425 }
    1440. 

  1440. <a name="l01426"></a>01426 
    1441. 

  1441. <a name="l01427"></a>01427 <span class="comment">/*</span>
    1442. 

  1442. <a name="l01428"></a>01428 <span class="comment"> * fluid_synth_get_polyphony</span>
    1443. 

  1443. <a name="l01429"></a>01429 <span class="comment"> */</span>
    1444. 

  1444. <a name="l01430"></a>01430 <span class="keywordtype">int</span> fluid_synth_get_polyphony(fluid_synth_t* synth)
    1445. 

  1445. <a name="l01431"></a>01431 {
    1446. 

  1446. <a name="l01432"></a>01432   <span class="keywordflow">return</span> synth-&gt;polyphony;
    1447. 

  1447. <a name="l01433"></a>01433 }
    1448. 

  1448. <a name="l01434"></a>01434 
    1449. 

  1449. <a name="l01435"></a>01435 <span class="comment">/*</span>
    1450. 

  1450. <a name="l01436"></a>01436 <span class="comment"> * fluid_synth_get_internal_buffer_size</span>
    1451. 

  1451. <a name="l01437"></a>01437 <span class="comment"> */</span>
    1452. 

  1452. <a name="l01438"></a>01438 <span class="keywordtype">int</span> fluid_synth_get_internal_bufsize(fluid_synth_t* synth)
    1453. 

  1453. <a name="l01439"></a>01439 {
    1454. 

  1454. <a name="l01440"></a>01440   <span class="keywordflow">return</span> FLUID_BUFSIZE;
    1455. 

  1455. <a name="l01441"></a>01441 }
    1456. 

  1456. <a name="l01442"></a>01442 
    1457. 

  1457. <a name="l01443"></a>01443 <span class="comment">/*</span>
    1458. 

  1458. <a name="l01444"></a>01444 <span class="comment"> * fluid_synth_program_reset</span>
    1459. 

  1459. <a name="l01445"></a>01445 <span class="comment"> *</span>
    1460. 

  1460. <a name="l01446"></a>01446 <span class="comment"> * Resend a bank select and a program change for every channel. This</span>
    1461. 

  1461. <a name="l01447"></a>01447 <span class="comment"> * function is called mainly after a SoundFont has been loaded,</span>
    1462. 

  1462. <a name="l01448"></a>01448 <span class="comment"> * unloaded or reloaded.  */</span>
    1463. 

  1463. <a name="l01449"></a>01449 <span class="keywordtype">int</span>
    1464. 

  1464. <a name="l01450"></a>01450 fluid_synth_program_reset(fluid_synth_t* synth)
    1465. 

  1465. <a name="l01451"></a>01451 {
    1466. 

  1466. <a name="l01452"></a>01452   <span class="keywordtype">int</span> i;
    1467. 

  1467. <a name="l01453"></a>01453   <span class="comment">/* try to set the correct presets */</span>
    1468. 

  1468. <a name="l01454"></a>01454   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;midi_channels; i++){
    1469. 

  1469. <a name="l01455"></a>01455     fluid_synth_program_change(synth, i, fluid_channel_get_prognum(synth-&gt;channel[i]));
    1470. 

  1470. <a name="l01456"></a>01456   }
    1471. 

  1471. <a name="l01457"></a>01457   <span class="keywordflow">return</span> FLUID_OK;
    1472. 

  1472. <a name="l01458"></a>01458 }
    1473. 

  1473. <a name="l01459"></a>01459 
    1474. 

  1474. <a name="l01460"></a>01460 <span class="comment">/*</span>
    1475. 

  1475. <a name="l01461"></a>01461 <span class="comment"> * fluid_synth_set_reverb_preset</span>
    1476. 

  1476. <a name="l01462"></a>01462 <span class="comment"> */</span>
    1477. 

  1477. <a name="l01463"></a>01463 <span class="keywordtype">int</span> fluid_synth_set_reverb_preset(fluid_synth_t* synth, <span class="keywordtype">int</span> num)
    1478. 

  1478. <a name="l01464"></a>01464 {
    1479. 

  1479. <a name="l01465"></a>01465   <span class="keywordtype">int</span> i = 0;
    1480. 

  1480. <a name="l01466"></a>01466   <span class="keywordflow">while</span> (revmodel_preset[i].name != NULL) {
    1481. 

  1481. <a name="l01467"></a>01467     <span class="keywordflow">if</span> (i == num) {
    1482. 

  1482. <a name="l01468"></a>01468       fluid_revmodel_setroomsize(synth-&gt;reverb, revmodel_preset[i].roomsize);
    1483. 

  1483. <a name="l01469"></a>01469       fluid_revmodel_setdamp(synth-&gt;reverb, revmodel_preset[i].damp);
    1484. 

  1484. <a name="l01470"></a>01470       fluid_revmodel_setwidth(synth-&gt;reverb, revmodel_preset[i].width);
    1485. 

  1485. <a name="l01471"></a>01471       fluid_revmodel_setlevel(synth-&gt;reverb, revmodel_preset[i].level);
    1486. 

  1486. <a name="l01472"></a>01472       <span class="keywordflow">return</span> FLUID_OK;
    1487. 

  1487. <a name="l01473"></a>01473     }
    1488. 

  1488. <a name="l01474"></a>01474     i++;
    1489. 

  1489. <a name="l01475"></a>01475   }
    1490. 

  1490. <a name="l01476"></a>01476   <span class="keywordflow">return</span> FLUID_FAILED;
    1491. 

  1491. <a name="l01477"></a>01477 }
    1492. 

  1492. <a name="l01478"></a>01478 
    1493. 

  1493. <a name="l01479"></a>01479 <span class="comment">/*</span>
    1494. 

  1494. <a name="l01480"></a>01480 <span class="comment"> * fluid_synth_set_reverb</span>
    1495. 

  1495. <a name="l01481"></a>01481 <span class="comment"> */</span>
    1496. 

  1496. <a name="l01482"></a>01482 <span class="keywordtype">void</span> fluid_synth_set_reverb(fluid_synth_t* synth, <span class="keywordtype">double</span> roomsize, <span class="keywordtype">double</span> damping,
    1497. 

  1497. <a name="l01483"></a>01483                            <span class="keywordtype">double</span> width, <span class="keywordtype">double</span> level)
    1498. 

  1498. <a name="l01484"></a>01484 {
    1499. 

  1499. <a name="l01485"></a>01485 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    1500. 

  1500. <a name="l01486"></a>01486 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    1501. 

  1501. <a name="l01487"></a>01487 
    1502. 

  1502. <a name="l01488"></a>01488   fluid_revmodel_setroomsize(synth-&gt;reverb, roomsize);
    1503. 

  1503. <a name="l01489"></a>01489   fluid_revmodel_setdamp(synth-&gt;reverb, damping);
    1504. 

  1504. <a name="l01490"></a>01490   fluid_revmodel_setwidth(synth-&gt;reverb, width);
    1505. 

  1505. <a name="l01491"></a>01491   fluid_revmodel_setlevel(synth-&gt;reverb, level);
    1506. 

  1506. <a name="l01492"></a>01492 }
    1507. 

  1507. <a name="l01493"></a>01493 
    1508. 

  1508. <a name="l01494"></a>01494 <span class="comment">/*</span>
    1509. 

  1509. <a name="l01495"></a>01495 <span class="comment"> * fluid_synth_set_chorus</span>
    1510. 

  1510. <a name="l01496"></a>01496 <span class="comment"> */</span>
    1511. 

  1511. <a name="l01497"></a>01497 <span class="keywordtype">void</span> fluid_synth_set_chorus(fluid_synth_t* synth, <span class="keywordtype">int</span> nr, <span class="keywordtype">double</span> level,
    1512. 

  1512. <a name="l01498"></a>01498                            <span class="keywordtype">double</span> speed, <span class="keywordtype">double</span> depth_ms, <span class="keywordtype">int</span> type)
    1513. 

  1513. <a name="l01499"></a>01499 {
    1514. 

  1514. <a name="l01500"></a>01500 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    1515. 

  1515. <a name="l01501"></a>01501 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    1516. 

  1516. <a name="l01502"></a>01502 
    1517. 

  1517. <a name="l01503"></a>01503   fluid_chorus_set_nr(synth-&gt;chorus, nr);
    1518. 

  1518. <a name="l01504"></a>01504   fluid_chorus_set_level(synth-&gt;chorus, (fluid_real_t)level);
    1519. 

  1519. <a name="l01505"></a>01505   fluid_chorus_set_speed_Hz(synth-&gt;chorus, (fluid_real_t)speed);
    1520. 

  1520. <a name="l01506"></a>01506   fluid_chorus_set_depth_ms(synth-&gt;chorus, (fluid_real_t)depth_ms);
    1521. 

  1521. <a name="l01507"></a>01507   fluid_chorus_set_type(synth-&gt;chorus, type);
    1522. 

  1522. <a name="l01508"></a>01508   fluid_chorus_update(synth-&gt;chorus);
    1523. 

  1523. <a name="l01509"></a>01509 }
    1524. 

  1524. <a name="l01510"></a>01510 
    1525. 

  1525. <a name="l01511"></a>01511 <span class="comment">/******************************************************</span>
    1526. 

  1526. <a name="l01512"></a>01512 <span class="comment"></span>
    1527. 

  1527. <a name="l01513"></a>01513 <span class="comment">#define COMPRESS      1</span>
    1528. 

  1528. <a name="l01514"></a>01514 <span class="comment">#define COMPRESS_X1   4.0</span>
    1529. 

  1529. <a name="l01515"></a>01515 <span class="comment">#define COMPRESS_Y1   0.6</span>
    1530. 

  1530. <a name="l01516"></a>01516 <span class="comment">#define COMPRESS_X2   10.0</span>
    1531. 

  1531. <a name="l01517"></a>01517 <span class="comment">#define COMPRESS_Y2   1.0</span>
    1532. 

  1532. <a name="l01518"></a>01518 <span class="comment"></span>
    1533. 

  1533. <a name="l01519"></a>01519 <span class="comment">  len2 = 2 * len;</span>
    1534. 

  1534. <a name="l01520"></a>01520 <span class="comment">  alpha1 = COMPRESS_Y1 / COMPRESS_X1;</span>
    1535. 

  1535. <a name="l01521"></a>01521 <span class="comment">  alpha2 = (COMPRESS_Y2 - COMPRESS_Y1) / (COMPRESS_X2 - COMPRESS_X1);</span>
    1536. 

  1536. <a name="l01522"></a>01522 <span class="comment">  if (COMPRESS_X1 == COMPRESS_Y1) {</span>
    1537. 

  1537. <a name="l01523"></a>01523 <span class="comment">    for (j = 0; j &lt; len2; j++) {</span>
    1538. 

  1538. <a name="l01524"></a>01524 <span class="comment">      if (buf[j] &gt; COMPRESS_X1) {</span>
    1539. 

  1539. <a name="l01525"></a>01525 <span class="comment">        if (buf[j] &gt; COMPRESS_X2) {</span>
    1540. 

  1540. <a name="l01526"></a>01526 <span class="comment">          buf[j] = COMPRESS_Y2;</span>
    1541. 

  1541. <a name="l01527"></a>01527 <span class="comment">        } else {</span>
    1542. 

  1542. <a name="l01528"></a>01528 <span class="comment">          buf[j] = COMPRESS_Y1 + alpha2 * (buf[j] - COMPRESS_X1);</span>
    1543. 

  1543. <a name="l01529"></a>01529 <span class="comment">        }</span>
    1544. 

  1544. <a name="l01530"></a>01530 <span class="comment">      } else if (buf[j] &lt; -COMPRESS_X1) {</span>
    1545. 

  1545. <a name="l01531"></a>01531 <span class="comment">        if (buf[j] &lt; -COMPRESS_X2) {</span>
    1546. 

  1546. <a name="l01532"></a>01532 <span class="comment">          buf[j] = -COMPRESS_Y2;</span>
    1547. 

  1547. <a name="l01533"></a>01533 <span class="comment">        } else {</span>
    1548. 

  1548. <a name="l01534"></a>01534 <span class="comment">          buf[j] = -COMPRESS_Y1 + alpha2 * (buf[j] + COMPRESS_X1);</span>
    1549. 

  1549. <a name="l01535"></a>01535 <span class="comment">        }</span>
    1550. 

  1550. <a name="l01536"></a>01536 <span class="comment">      }</span>
    1551. 

  1551. <a name="l01537"></a>01537 <span class="comment">    }</span>
    1552. 

  1552. <a name="l01538"></a>01538 <span class="comment">  } else {</span>
    1553. 

  1553. <a name="l01539"></a>01539 <span class="comment">    for (j = 0; j &lt; len2; j++) {</span>
    1554. 

  1554. <a name="l01540"></a>01540 <span class="comment">      if ((buf[j] &gt;= -COMPRESS_X1) &amp;&amp; (buf[j] &lt;= COMPRESS_X1)) {</span>
    1555. 

  1555. <a name="l01541"></a>01541 <span class="comment">        buf[j] *= alpha1;</span>
    1556. 

  1556. <a name="l01542"></a>01542 <span class="comment">      } else if (buf[j] &gt; COMPRESS_X1) {</span>
    1557. 

  1557. <a name="l01543"></a>01543 <span class="comment">        if (buf[j] &gt; COMPRESS_X2) {</span>
    1558. 

  1558. <a name="l01544"></a>01544 <span class="comment">          buf[j] = COMPRESS_Y2;</span>
    1559. 

  1559. <a name="l01545"></a>01545 <span class="comment">        } else {</span>
    1560. 

  1560. <a name="l01546"></a>01546 <span class="comment">          buf[j] = COMPRESS_Y1 + alpha2 * (buf[j] - COMPRESS_X1);</span>
    1561. 

  1561. <a name="l01547"></a>01547 <span class="comment">        }</span>
    1562. 

  1562. <a name="l01548"></a>01548 <span class="comment">      } else {</span>
    1563. 

  1563. <a name="l01549"></a>01549 <span class="comment">        if (buf[j] &lt; -COMPRESS_X2) {</span>
    1564. 

  1564. <a name="l01550"></a>01550 <span class="comment">          buf[j] = -COMPRESS_Y2;</span>
    1565. 

  1565. <a name="l01551"></a>01551 <span class="comment">        } else {</span>
    1566. 

  1566. <a name="l01552"></a>01552 <span class="comment">          buf[j] = -COMPRESS_Y1 + alpha2 * (buf[j] + COMPRESS_X1);</span>
    1567. 

  1567. <a name="l01553"></a>01553 <span class="comment">        }</span>
    1568. 

  1568. <a name="l01554"></a>01554 <span class="comment">      }</span>
    1569. 

  1569. <a name="l01555"></a>01555 <span class="comment">    }</span>
    1570. 

  1570. <a name="l01556"></a>01556 <span class="comment">  }</span>
    1571. 

  1571. <a name="l01557"></a>01557 <span class="comment"></span>
    1572. 

  1572. <a name="l01558"></a>01558 <span class="comment">***************************************************/</span>
    1573. 

  1573. <a name="l01559"></a>01559 
    1574. 

  1574. <a name="l01560"></a>01560 <span class="comment">/*</span>
    1575. 

  1575. <a name="l01561"></a>01561 <span class="comment"> *  fluid_synth_nwrite_float</span>
    1576. 

  1576. <a name="l01562"></a>01562 <span class="comment"> */</span>
    1577. 

  1577. <a name="l01563"></a>01563 <span class="keywordtype">int</span>
    1578. 

  1578. <a name="l01564"></a>01564 fluid_synth_nwrite_float(fluid_synth_t* synth, <span class="keywordtype">int</span> len,
    1579. 

  1579. <a name="l01565"></a>01565                         <span class="keywordtype">float</span>** left, <span class="keywordtype">float</span>** right,
    1580. 

  1580. <a name="l01566"></a>01566                         <span class="keywordtype">float</span>** fx_left, <span class="keywordtype">float</span>** fx_right)
    1581. 

  1581. <a name="l01567"></a>01567 {
    1582. 

  1582. <a name="l01568"></a>01568   fluid_real_t** left_in = synth-&gt;left_buf;
    1583. 

  1583. <a name="l01569"></a>01569   fluid_real_t** right_in = synth-&gt;right_buf;
    1584. 

  1584. <a name="l01570"></a>01570   fluid_real_t** fx_left_in = synth-&gt;fx_left_buf;
    1585. 

  1585. <a name="l01571"></a>01571   fluid_real_t** fx_right_in = synth-&gt;fx_right_buf;
    1586. 

  1586. <a name="l01572"></a>01572   <span class="keywordtype">double</span> time = fluid_utime();
    1587. 

  1587. <a name="l01573"></a>01573   <span class="keywordtype">int</span> i, num, available, count, bytes;
    1588. 

  1588. <a name="l01574"></a>01574 
    1589. 

  1589. <a name="l01575"></a>01575   <span class="comment">/* make sure we're playing */</span>
    1590. 

  1590. <a name="l01576"></a>01576   <span class="keywordflow">if</span> (synth-&gt;state != FLUID_SYNTH_PLAYING) {
    1591. 

  1591. <a name="l01577"></a>01577     <span class="keywordflow">return</span> 0;
    1592. 

  1592. <a name="l01578"></a>01578   }
    1593. 

  1593. <a name="l01579"></a>01579 
    1594. 

  1594. <a name="l01580"></a>01580   <span class="comment">/* First, take what's still available in the buffer */</span>
    1595. 

  1595. <a name="l01581"></a>01581   count = 0;
    1596. 

  1596. <a name="l01582"></a>01582   num = synth-&gt;cur;
    1597. 

  1597. <a name="l01583"></a>01583   <span class="keywordflow">if</span> (synth-&gt;cur &lt; FLUID_BUFSIZE) {
    1598. 

  1598. <a name="l01584"></a>01584     available = FLUID_BUFSIZE - synth-&gt;cur;
    1599. 

  1599. <a name="l01585"></a>01585 
    1600. 

  1600. <a name="l01586"></a>01586     num = (available &gt; len)? len : available;
    1601. 

  1601. <a name="l01587"></a>01587     bytes = num * <span class="keyword">sizeof</span>(float);
    1602. 

  1602. <a name="l01588"></a>01588 
    1603. 

  1603. <a name="l01589"></a>01589     <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;audio_channels; i++) {
    1604. 

  1604. <a name="l01590"></a>01590       FLUID_MEMCPY(left[i], left_in[i] + synth-&gt;cur, bytes);
    1605. 

  1605. <a name="l01591"></a>01591       FLUID_MEMCPY(right[i], right_in[i] + synth-&gt;cur, bytes);
    1606. 

  1606. <a name="l01592"></a>01592     }
    1607. 

  1607. <a name="l01593"></a>01593     <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;effects_channels; i++) {
    1608. 

  1608. <a name="l01594"></a>01594       FLUID_MEMCPY(fx_left[i], fx_left_in[i] + synth-&gt;cur, bytes);
    1609. 

  1609. <a name="l01595"></a>01595       FLUID_MEMCPY(fx_right[i], fx_right_in[i] + synth-&gt;cur, bytes);
    1610. 

  1610. <a name="l01596"></a>01596     }
    1611. 

  1611. <a name="l01597"></a>01597     count += num;
    1612. 

  1612. <a name="l01598"></a>01598     num += synth-&gt;cur; <span class="comment">/* if we're now done, num becomes the new synth-&gt;cur below */</span>
    1613. 

  1613. <a name="l01599"></a>01599   }
    1614. 

  1614. <a name="l01600"></a>01600 
    1615. 

  1615. <a name="l01601"></a>01601   <span class="comment">/* Then, run one_block() and copy till we have 'len' samples  */</span>
    1616. 

  1616. <a name="l01602"></a>01602   <span class="keywordflow">while</span> (count &lt; len) {
    1617. 

  1617. <a name="l01603"></a>01603     fluid_synth_one_block(synth, 1);
    1618. 

  1618. <a name="l01604"></a>01604 
    1619. 

  1619. <a name="l01605"></a>01605     num = (FLUID_BUFSIZE &gt; len - count)? len - count : FLUID_BUFSIZE;
    1620. 

  1620. <a name="l01606"></a>01606     bytes = num * <span class="keyword">sizeof</span>(float);
    1621. 

  1621. <a name="l01607"></a>01607 
    1622. 

  1622. <a name="l01608"></a>01608     <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;audio_channels; i++) {
    1623. 

  1623. <a name="l01609"></a>01609       FLUID_MEMCPY(left[i] + count, left_in[i], bytes);
    1624. 

  1624. <a name="l01610"></a>01610       FLUID_MEMCPY(right[i] + count, right_in[i], bytes);
    1625. 

  1625. <a name="l01611"></a>01611     }
    1626. 

  1626. <a name="l01612"></a>01612     <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;effects_channels; i++) {
    1627. 

  1627. <a name="l01613"></a>01613       FLUID_MEMCPY(fx_left[i] + count, fx_left_in[i], bytes);
    1628. 

  1628. <a name="l01614"></a>01614       FLUID_MEMCPY(fx_right[i] + count, fx_right_in[i], bytes);
    1629. 

  1629. <a name="l01615"></a>01615     }
    1630. 

  1630. <a name="l01616"></a>01616 
    1631. 

  1631. <a name="l01617"></a>01617     count += num;
    1632. 

  1632. <a name="l01618"></a>01618   }
    1633. 

  1633. <a name="l01619"></a>01619 
    1634. 

  1634. <a name="l01620"></a>01620   synth-&gt;cur = num;
    1635. 

  1635. <a name="l01621"></a>01621 
    1636. 

  1636. <a name="l01622"></a>01622   time = fluid_utime() - time;
    1637. 

  1637. <a name="l01623"></a>01623   synth-&gt;cpu_load = 0.5 * (synth-&gt;cpu_load +
    1638. 

  1638. <a name="l01624"></a>01624                            time * synth-&gt;sample_rate / len / 10000.0);
    1639. 

  1639. <a name="l01625"></a>01625 
    1640. 

  1640. <a name="l01626"></a>01626 <span class="comment">/*   printf("CPU: %.2f\n", synth-&gt;cpu_load); */</span>
    1641. 

  1641. <a name="l01627"></a>01627 
    1642. 

  1642. <a name="l01628"></a>01628   <span class="keywordflow">return</span> 0;
    1643. 

  1643. <a name="l01629"></a>01629 }
    1644. 

  1644. <a name="l01630"></a>01630 
    1645. 

  1645. <a name="l01631"></a>01631 <span class="keywordtype">int</span> fluid_synth_process(fluid_synth_t* synth, <span class="keywordtype">int</span> len,
    1646. 

  1646. <a name="l01632"></a>01632                        <span class="keywordtype">int</span> nin, <span class="keywordtype">float</span>** in,
    1647. 

  1647. <a name="l01633"></a>01633                        <span class="keywordtype">int</span> nout, <span class="keywordtype">float</span>** out)
    1648. 

  1648. <a name="l01634"></a>01634 {
    1649. 

  1649. <a name="l01635"></a>01635   <span class="keywordflow">return</span> fluid_synth_write_float(synth, len, out[0], 0, 1, out[1], 0, 1);
    1650. 

  1650. <a name="l01636"></a>01636 }
    1651. 

  1651. <a name="l01637"></a>01637 
    1652. 

  1652. <a name="l01638"></a>01638 
    1653. 

  1653. <a name="l01639"></a>01639 <span class="comment">/*</span>
    1654. 

  1654. <a name="l01640"></a>01640 <span class="comment"> *  fluid_synth_write_float</span>
    1655. 

  1655. <a name="l01641"></a>01641 <span class="comment"> */</span>
    1656. 

  1656. <a name="l01642"></a>01642 <span class="keywordtype">int</span>
    1657. 

  1657. <a name="l01643"></a>01643 fluid_synth_write_float(fluid_synth_t* synth, <span class="keywordtype">int</span> len,
    1658. 

  1658. <a name="l01644"></a>01644                        <span class="keywordtype">void</span>* lout, <span class="keywordtype">int</span> loff, <span class="keywordtype">int</span> lincr,
    1659. 

  1659. <a name="l01645"></a>01645                        <span class="keywordtype">void</span>* rout, <span class="keywordtype">int</span> roff, <span class="keywordtype">int</span> rincr)
    1660. 

  1660. <a name="l01646"></a>01646 {
    1661. 

  1661. <a name="l01647"></a>01647   <span class="keywordtype">int</span> i, j, k, l;
    1662. 

  1662. <a name="l01648"></a>01648   <span class="keywordtype">float</span>* left_out = (<span class="keywordtype">float</span>*) lout;
    1663. 

  1663. <a name="l01649"></a>01649   <span class="keywordtype">float</span>* right_out = (<span class="keywordtype">float</span>*) rout;
    1664. 

  1664. <a name="l01650"></a>01650   fluid_real_t* left_in = synth-&gt;left_buf[0];
    1665. 

  1665. <a name="l01651"></a>01651   fluid_real_t* right_in = synth-&gt;right_buf[0];
    1666. 

  1666. <a name="l01652"></a>01652   <span class="keywordtype">double</span> time = fluid_utime();
    1667. 

  1667. <a name="l01653"></a>01653 
    1668. 

  1668. <a name="l01654"></a>01654   <span class="comment">/* make sure we're playing */</span>
    1669. 

  1669. <a name="l01655"></a>01655   <span class="keywordflow">if</span> (synth-&gt;state != FLUID_SYNTH_PLAYING) {
    1670. 

  1670. <a name="l01656"></a>01656     <span class="keywordflow">return</span> 0;
    1671. 

  1671. <a name="l01657"></a>01657   }
    1672. 

  1672. <a name="l01658"></a>01658 
    1673. 

  1673. <a name="l01659"></a>01659   l = synth-&gt;cur;
    1674. 

  1674. <a name="l01660"></a>01660 
    1675. 

  1675. <a name="l01661"></a>01661   <span class="keywordflow">for</span> (i = 0, j = loff, k = roff; i &lt; len; i++, l++, j += lincr, k += rincr) {
    1676. 

  1676. <a name="l01662"></a>01662     <span class="comment">/* fill up the buffers as needed */</span>
    1677. 

  1677. <a name="l01663"></a>01663       <span class="keywordflow">if</span> (l == FLUID_BUFSIZE) {
    1678. 

  1678. <a name="l01664"></a>01664         fluid_synth_one_block(synth, 0);
    1679. 

  1679. <a name="l01665"></a>01665         l = 0;
    1680. 

  1680. <a name="l01666"></a>01666       }
    1681. 

  1681. <a name="l01667"></a>01667 
    1682. 

  1682. <a name="l01668"></a>01668       left_out[j] = (float) left_in[l];
    1683. 

  1683. <a name="l01669"></a>01669       right_out[k] = (float) right_in[l];
    1684. 

  1684. <a name="l01670"></a>01670   }
    1685. 

  1685. <a name="l01671"></a>01671 
    1686. 

  1686. <a name="l01672"></a>01672   synth-&gt;cur = l;
    1687. 

  1687. <a name="l01673"></a>01673 
    1688. 

  1688. <a name="l01674"></a>01674   time = fluid_utime() - time;
    1689. 

  1689. <a name="l01675"></a>01675   synth-&gt;cpu_load = 0.5 * (synth-&gt;cpu_load +
    1690. 

  1690. <a name="l01676"></a>01676                            time * synth-&gt;sample_rate / len / 10000.0);
    1691. 

  1691. <a name="l01677"></a>01677 
    1692. 

  1692. <a name="l01678"></a>01678 <span class="comment">/*   printf("CPU: %.2f\n", synth-&gt;cpu_load); */</span>
    1693. 

  1693. <a name="l01679"></a>01679 
    1694. 

  1694. <a name="l01680"></a>01680   <span class="keywordflow">return</span> 0;
    1695. 

  1695. <a name="l01681"></a>01681 }
    1696. 

  1696. <a name="l01682"></a>01682 
    1697. 

  1697. <a name="l01683"></a>01683 <span class="preprocessor">#define DITHER_SIZE 48000</span>
    1698. 

  1698. <a name="l01684"></a>01684 <span class="preprocessor"></span><span class="preprocessor">#define DITHER_CHANNELS 2</span>
    1699. 

  1699. <a name="l01685"></a>01685 <span class="preprocessor"></span>
    1700. 

  1700. <a name="l01686"></a>01686 <span class="keyword">static</span> <span class="keywordtype">float</span> rand_table[DITHER_CHANNELS][DITHER_SIZE];
    1701. 

  1701. <a name="l01687"></a>01687 
    1702. 

  1702. <a name="l01688"></a>01688 <span class="keyword">static</span> <span class="keywordtype">void</span> init_dither(<span class="keywordtype">void</span>)
    1703. 

  1703. <a name="l01689"></a>01689 {
    1704. 

  1704. <a name="l01690"></a>01690   <span class="keywordtype">float</span> d, dp;
    1705. 

  1705. <a name="l01691"></a>01691   <span class="keywordtype">int</span> c, i;
    1706. 

  1706. <a name="l01692"></a>01692 
    1707. 

  1707. <a name="l01693"></a>01693   <span class="keywordflow">for</span> (c = 0; c &lt; DITHER_CHANNELS; c++) {
    1708. 

  1708. <a name="l01694"></a>01694     dp = 0;
    1709. 

  1709. <a name="l01695"></a>01695     <span class="keywordflow">for</span> (i = 0; i &lt; DITHER_SIZE-1; i++) {
    1710. 

  1710. <a name="l01696"></a>01696       d = rand() / (float)RAND_MAX - 0.5f;
    1711. 

  1711. <a name="l01697"></a>01697       rand_table[c][i] = d - dp;
    1712. 

  1712. <a name="l01698"></a>01698       dp = d;
    1713. 

  1713. <a name="l01699"></a>01699     }
    1714. 

  1714. <a name="l01700"></a>01700     rand_table[c][DITHER_SIZE-1] = 0 - dp;
    1715. 

  1715. <a name="l01701"></a>01701   }
    1716. 

  1716. <a name="l01702"></a>01702 }
    1717. 

  1717. <a name="l01703"></a>01703 
    1718. 

  1718. <a name="l01704"></a>01704 <span class="comment">/* A portable replacement for roundf(), seems it may actually be faster too! */</span>
    1719. 

  1719. <a name="l01705"></a>01705 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span>
    1720. 

  1720. <a name="l01706"></a>01706 roundi (<span class="keywordtype">float</span> x)
    1721. 

  1721. <a name="l01707"></a>01707 {
    1722. 

  1722. <a name="l01708"></a>01708   <span class="keywordflow">if</span> (x &gt;= 0.0f)
    1723. 

  1723. <a name="l01709"></a>01709     <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)(x+0.5f);
    1724. 

  1724. <a name="l01710"></a>01710   <span class="keywordflow">else</span>
    1725. 

  1725. <a name="l01711"></a>01711     <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)(x-0.5f);
    1726. 

  1726. <a name="l01712"></a>01712 }
    1727. 

  1727. <a name="l01713"></a>01713 
    1728. 

  1728. <a name="l01714"></a>01714 <span class="comment">/*</span>
    1729. 

  1729. <a name="l01715"></a>01715 <span class="comment"> *  fluid_synth_write_s16</span>
    1730. 

  1730. <a name="l01716"></a>01716 <span class="comment"> */</span>
    1731. 

  1731. <a name="l01717"></a>01717 <span class="keywordtype">int</span>
    1732. 

  1732. <a name="l01718"></a>01718 fluid_synth_write_s16(fluid_synth_t* synth, <span class="keywordtype">int</span> len,
    1733. 

  1733. <a name="l01719"></a>01719                      <span class="keywordtype">void</span>* lout, <span class="keywordtype">int</span> loff, <span class="keywordtype">int</span> lincr,
    1734. 

  1734. <a name="l01720"></a>01720                      <span class="keywordtype">void</span>* rout, <span class="keywordtype">int</span> roff, <span class="keywordtype">int</span> rincr)
    1735. 

  1735. <a name="l01721"></a>01721 {
    1736. 

  1736. <a name="l01722"></a>01722   <span class="keywordtype">int</span> i, j, k, cur;
    1737. 

  1737. <a name="l01723"></a>01723   <span class="keywordtype">signed</span> <span class="keywordtype">short</span>* left_out = (<span class="keywordtype">signed</span> <span class="keywordtype">short</span>*) lout;
    1738. 

  1738. <a name="l01724"></a>01724   <span class="keywordtype">signed</span> <span class="keywordtype">short</span>* right_out = (<span class="keywordtype">signed</span> <span class="keywordtype">short</span>*) rout;
    1739. 

  1739. <a name="l01725"></a>01725   fluid_real_t* left_in = synth-&gt;left_buf[0];
    1740. 

  1740. <a name="l01726"></a>01726   fluid_real_t* right_in = synth-&gt;right_buf[0];
    1741. 

  1741. <a name="l01727"></a>01727   <span class="keywordtype">double</span> prof_ref = fluid_profile_ref();
    1742. 

  1742. <a name="l01728"></a>01728   fluid_real_t left_sample;
    1743. 

  1743. <a name="l01729"></a>01729   fluid_real_t right_sample;
    1744. 

  1744. <a name="l01730"></a>01730   <span class="keywordtype">double</span> time = fluid_utime();
    1745. 

  1745. <a name="l01731"></a>01731   <span class="keywordtype">int</span> di = synth-&gt;dither_index;
    1746. 

  1746. <a name="l01732"></a>01732   <span class="keywordtype">double</span> prof_ref_on_block;
    1747. 

  1747. <a name="l01733"></a>01733 
    1748. 

  1748. <a name="l01734"></a>01734   <span class="comment">/* make sure we're playing */</span>
    1749. 

  1749. <a name="l01735"></a>01735   <span class="keywordflow">if</span> (synth-&gt;state != FLUID_SYNTH_PLAYING) {
    1750. 

  1750. <a name="l01736"></a>01736     <span class="keywordflow">return</span> 0;
    1751. 

  1751. <a name="l01737"></a>01737   }
    1752. 

  1752. <a name="l01738"></a>01738 
    1753. 

  1753. <a name="l01739"></a>01739   cur = synth-&gt;cur;
    1754. 

  1754. <a name="l01740"></a>01740 
    1755. 

  1755. <a name="l01741"></a>01741   <span class="keywordflow">for</span> (i = 0, j = loff, k = roff; i &lt; len; i++, cur++, j += lincr, k += rincr) {
    1756. 

  1756. <a name="l01742"></a>01742 
    1757. 

  1757. <a name="l01743"></a>01743     <span class="comment">/* fill up the buffers as needed */</span>
    1758. 

  1758. <a name="l01744"></a>01744     <span class="keywordflow">if</span> (cur == FLUID_BUFSIZE) {
    1759. 

  1759. <a name="l01745"></a>01745       prof_ref_on_block = fluid_profile_ref();
    1760. 

  1760. <a name="l01746"></a>01746 
    1761. 

  1761. <a name="l01747"></a>01747       fluid_synth_one_block(synth, 0);
    1762. 

  1762. <a name="l01748"></a>01748       cur = 0;
    1763. 

  1763. <a name="l01749"></a>01749 
    1764. 

  1764. <a name="l01750"></a>01750       fluid_profile(FLUID_PROF_ONE_BLOCK, prof_ref_on_block);
    1765. 

  1765. <a name="l01751"></a>01751     }
    1766. 

  1766. <a name="l01752"></a>01752 
    1767. 

  1767. <a name="l01753"></a>01753     left_sample = roundi (left_in[cur] * 32766.0f + rand_table[0][di]);
    1768. 

  1768. <a name="l01754"></a>01754     right_sample = roundi (right_in[cur] * 32766.0f + rand_table[1][di]);
    1769. 

  1769. <a name="l01755"></a>01755 
    1770. 

  1770. <a name="l01756"></a>01756     di++;
    1771. 

  1771. <a name="l01757"></a>01757     <span class="keywordflow">if</span> (di &gt;= DITHER_SIZE) di = 0;
    1772. 

  1772. <a name="l01758"></a>01758 
    1773. 

  1773. <a name="l01759"></a>01759     <span class="comment">/* digital clipping */</span>
    1774. 

  1774. <a name="l01760"></a>01760     <span class="keywordflow">if</span> (left_sample &gt; 32767.0f) left_sample = 32767.0f;
    1775. 

  1775. <a name="l01761"></a>01761     <span class="keywordflow">if</span> (left_sample &lt; -32768.0f) left_sample = -32768.0f;
    1776. 

  1776. <a name="l01762"></a>01762     <span class="keywordflow">if</span> (right_sample &gt; 32767.0f) right_sample = 32767.0f;
    1777. 

  1777. <a name="l01763"></a>01763     <span class="keywordflow">if</span> (right_sample &lt; -32768.0f) right_sample = -32768.0f;
    1778. 

  1778. <a name="l01764"></a>01764 
    1779. 

  1779. <a name="l01765"></a>01765     left_out[j] = (<span class="keywordtype">signed</span> short) left_sample;
    1780. 

  1780. <a name="l01766"></a>01766     right_out[k] = (<span class="keywordtype">signed</span> short) right_sample;
    1781. 

  1781. <a name="l01767"></a>01767   }
    1782. 

  1782. <a name="l01768"></a>01768 
    1783. 

  1783. <a name="l01769"></a>01769   synth-&gt;cur = cur;
    1784. 

  1784. <a name="l01770"></a>01770   synth-&gt;dither_index = di;     <span class="comment">/* keep dither buffer continous */</span>
    1785. 

  1785. <a name="l01771"></a>01771 
    1786. 

  1786. <a name="l01772"></a>01772   fluid_profile(FLUID_PROF_WRITE_S16, prof_ref);
    1787. 

  1787. <a name="l01773"></a>01773 
    1788. 

  1788. <a name="l01774"></a>01774 
    1789. 

  1789. <a name="l01775"></a>01775   time = fluid_utime() - time;
    1790. 

  1790. <a name="l01776"></a>01776   synth-&gt;cpu_load = 0.5 * (synth-&gt;cpu_load +
    1791. 

  1791. <a name="l01777"></a>01777                            time * synth-&gt;sample_rate / len / 10000.0);
    1792. 

  1792. <a name="l01778"></a>01778 
    1793. 

  1793. <a name="l01779"></a>01779 <span class="comment">/*   printf("CPU: %.2f\n", synth-&gt;cpu_load); */</span>
    1794. 

  1794. <a name="l01780"></a>01780 
    1795. 

  1795. <a name="l01781"></a>01781   <span class="keywordflow">return</span> 0;
    1796. 

  1796. <a name="l01782"></a>01782 }
    1797. 

  1797. <a name="l01783"></a>01783 
    1798. 

  1798. <a name="l01784"></a>01784 <span class="comment">/*</span>
    1799. 

  1799. <a name="l01785"></a>01785 <span class="comment"> * fluid_synth_dither_s16</span>
    1800. 

  1800. <a name="l01786"></a>01786 <span class="comment"> * Converts stereo floating point sample data to signed 16 bit data with</span>
    1801. 

  1801. <a name="l01787"></a>01787 <span class="comment"> * dithering.  'dither_index' parameter is a caller supplied pointer to an</span>
    1802. 

  1802. <a name="l01788"></a>01788 <span class="comment"> * integer which should be initialized to 0 before the first call and passed</span>
    1803. 

  1803. <a name="l01789"></a>01789 <span class="comment"> * unmodified to additional calls which are part of the same synthesis output.</span>
    1804. 

  1804. <a name="l01790"></a>01790 <span class="comment"> * Only used internally currently.</span>
    1805. 

  1805. <a name="l01791"></a>01791 <span class="comment"> */</span>
    1806. 

  1806. <a name="l01792"></a>01792 <span class="keywordtype">void</span>
    1807. 

  1807. <a name="l01793"></a>01793 fluid_synth_dither_s16(<span class="keywordtype">int</span> *dither_index, <span class="keywordtype">int</span> len, <span class="keywordtype">float</span>* lin, <span class="keywordtype">float</span>* rin,
    1808. 

  1808. <a name="l01794"></a>01794                        <span class="keywordtype">void</span>* lout, <span class="keywordtype">int</span> loff, <span class="keywordtype">int</span> lincr,
    1809. 

  1809. <a name="l01795"></a>01795                        <span class="keywordtype">void</span>* rout, <span class="keywordtype">int</span> roff, <span class="keywordtype">int</span> rincr)
    1810. 

  1810. <a name="l01796"></a>01796 {
    1811. 

  1811. <a name="l01797"></a>01797   <span class="keywordtype">int</span> i, j, k;
    1812. 

  1812. <a name="l01798"></a>01798   <span class="keywordtype">signed</span> <span class="keywordtype">short</span>* left_out = (<span class="keywordtype">signed</span> <span class="keywordtype">short</span>*) lout;
    1813. 

  1813. <a name="l01799"></a>01799   <span class="keywordtype">signed</span> <span class="keywordtype">short</span>* right_out = (<span class="keywordtype">signed</span> <span class="keywordtype">short</span>*) rout;
    1814. 

  1814. <a name="l01800"></a>01800   <span class="keywordtype">double</span> prof_ref = fluid_profile_ref();
    1815. 

  1815. <a name="l01801"></a>01801   fluid_real_t left_sample;
    1816. 

  1816. <a name="l01802"></a>01802   fluid_real_t right_sample;
    1817. 

  1817. <a name="l01803"></a>01803   <span class="keywordtype">int</span> di = *dither_index;
    1818. 

  1818. <a name="l01804"></a>01804 
    1819. 

  1819. <a name="l01805"></a>01805   <span class="keywordflow">for</span> (i = 0, j = loff, k = roff; i &lt; len; i++, j += lincr, k += rincr) {
    1820. 

  1820. <a name="l01806"></a>01806 
    1821. 

  1821. <a name="l01807"></a>01807     left_sample = roundi (lin[i] * 32766.0f + rand_table[0][di]);
    1822. 

  1822. <a name="l01808"></a>01808     right_sample = roundi (rin[i] * 32766.0f + rand_table[1][di]);
    1823. 

  1823. <a name="l01809"></a>01809 
    1824. 

  1824. <a name="l01810"></a>01810     di++;
    1825. 

  1825. <a name="l01811"></a>01811     <span class="keywordflow">if</span> (di &gt;= DITHER_SIZE) di = 0;
    1826. 

  1826. <a name="l01812"></a>01812 
    1827. 

  1827. <a name="l01813"></a>01813     <span class="comment">/* digital clipping */</span>
    1828. 

  1828. <a name="l01814"></a>01814     <span class="keywordflow">if</span> (left_sample &gt; 32767.0f) left_sample = 32767.0f;
    1829. 

  1829. <a name="l01815"></a>01815     <span class="keywordflow">if</span> (left_sample &lt; -32768.0f) left_sample = -32768.0f;
    1830. 

  1830. <a name="l01816"></a>01816     <span class="keywordflow">if</span> (right_sample &gt; 32767.0f) right_sample = 32767.0f;
    1831. 

  1831. <a name="l01817"></a>01817     <span class="keywordflow">if</span> (right_sample &lt; -32768.0f) right_sample = -32768.0f;
    1832. 

  1832. <a name="l01818"></a>01818 
    1833. 

  1833. <a name="l01819"></a>01819     left_out[j] = (<span class="keywordtype">signed</span> short) left_sample;
    1834. 

  1834. <a name="l01820"></a>01820     right_out[k] = (<span class="keywordtype">signed</span> short) right_sample;
    1835. 

  1835. <a name="l01821"></a>01821   }
    1836. 

  1836. <a name="l01822"></a>01822 
    1837. 

  1837. <a name="l01823"></a>01823   *dither_index = di;   <span class="comment">/* keep dither buffer continous */</span>
    1838. 

  1838. <a name="l01824"></a>01824 
    1839. 

  1839. <a name="l01825"></a>01825   fluid_profile(FLUID_PROF_WRITE_S16, prof_ref);
    1840. 

  1840. <a name="l01826"></a>01826 }
    1841. 

  1841. <a name="l01827"></a>01827 
    1842. 

  1842. <a name="l01828"></a>01828 <span class="comment">/*</span>
    1843. 

  1843. <a name="l01829"></a>01829 <span class="comment"> *  fluid_synth_one_block</span>
    1844. 

  1844. <a name="l01830"></a>01830 <span class="comment"> */</span>
    1845. 

  1845. <a name="l01831"></a>01831 <span class="keywordtype">int</span>
    1846. 

  1846. <a name="l01832"></a>01832 fluid_synth_one_block(fluid_synth_t* synth, <span class="keywordtype">int</span> do_not_mix_fx_to_out)
    1847. 

  1847. <a name="l01833"></a>01833 {
    1848. 

  1848. <a name="l01834"></a>01834   <span class="keywordtype">int</span> i, auchan;
    1849. 

  1849. <a name="l01835"></a>01835   fluid_voice_t* voice;
    1850. 

  1850. <a name="l01836"></a>01836   fluid_real_t* left_buf;
    1851. 

  1851. <a name="l01837"></a>01837   fluid_real_t* right_buf;
    1852. 

  1852. <a name="l01838"></a>01838   fluid_real_t* reverb_buf;
    1853. 

  1853. <a name="l01839"></a>01839   fluid_real_t* chorus_buf;
    1854. 

  1854. <a name="l01840"></a>01840   <span class="keywordtype">int</span> byte_size = FLUID_BUFSIZE * <span class="keyword">sizeof</span>(fluid_real_t);
    1855. 

  1855. <a name="l01841"></a>01841   <span class="keywordtype">double</span> prof_ref = fluid_profile_ref();
    1856. 

  1856. <a name="l01842"></a>01842 
    1857. 

  1857. <a name="l01843"></a>01843 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Here comes the audio thread. Lock the synth. *\/ */</span>
    1858. 

  1858. <a name="l01844"></a>01844 
    1859. 

  1859. <a name="l01845"></a>01845   fluid_check_fpe(<span class="stringliteral">"??? Just starting up ???"</span>);
    1860. 

  1860. <a name="l01846"></a>01846 
    1861. 

  1861. <a name="l01847"></a>01847   <span class="comment">/* clean the audio buffers */</span>
    1862. 

  1862. <a name="l01848"></a>01848   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;nbuf; i++) {
    1863. 

  1863. <a name="l01849"></a>01849     FLUID_MEMSET(synth-&gt;left_buf[i], 0, byte_size);
    1864. 

  1864. <a name="l01850"></a>01850     FLUID_MEMSET(synth-&gt;right_buf[i], 0, byte_size);
    1865. 

  1865. <a name="l01851"></a>01851   }
    1866. 

  1866. <a name="l01852"></a>01852 
    1867. 

  1867. <a name="l01853"></a>01853   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;effects_channels; i++) {
    1868. 

  1868. <a name="l01854"></a>01854     FLUID_MEMSET(synth-&gt;fx_left_buf[i], 0, byte_size);
    1869. 

  1869. <a name="l01855"></a>01855     FLUID_MEMSET(synth-&gt;fx_right_buf[i], 0, byte_size);
    1870. 

  1870. <a name="l01856"></a>01856   }
    1871. 

  1871. <a name="l01857"></a>01857 
    1872. 

  1872. <a name="l01858"></a>01858   <span class="comment">/* Set up the reverb / chorus buffers only, when the effect is</span>
    1873. 

  1873. <a name="l01859"></a>01859 <span class="comment">   * enabled on synth level.  Nonexisting buffers are detected in the</span>
    1874. 

  1874. <a name="l01860"></a>01860 <span class="comment">   * DSP loop. Not sending the reverb / chorus signal saves some time</span>
    1875. 

  1875. <a name="l01861"></a>01861 <span class="comment">   * in that case. */</span>
    1876. 

  1876. <a name="l01862"></a>01862   reverb_buf = synth-&gt;with_reverb ? synth-&gt;fx_left_buf[0] : NULL;
    1877. 

  1877. <a name="l01863"></a>01863   chorus_buf = synth-&gt;with_chorus ? synth-&gt;fx_left_buf[1] : NULL;
    1878. 

  1878. <a name="l01864"></a>01864 
    1879. 

  1879. <a name="l01865"></a>01865   fluid_profile(FLUID_PROF_ONE_BLOCK_CLEAR, prof_ref);
    1880. 

  1880. <a name="l01866"></a>01866 
    1881. 

  1881. <a name="l01867"></a>01867   <span class="comment">/* call all playing synthesis processes */</span>
    1882. 

  1882. <a name="l01868"></a>01868   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    1883. 

  1883. <a name="l01869"></a>01869     voice = synth-&gt;voice[i];
    1884. 

  1884. <a name="l01870"></a>01870 
    1885. 

  1885. <a name="l01871"></a>01871     <span class="keywordflow">if</span> (_PLAYING(voice)) {
    1886. 

  1886. <a name="l01872"></a>01872       <span class="keywordtype">double</span> prof_ref_voice = fluid_profile_ref();
    1887. 

  1887. <a name="l01873"></a>01873 
    1888. 

  1888. <a name="l01874"></a>01874       <span class="comment">/* The output associated with a MIDI channel is wrapped around</span>
    1889. 

  1889. <a name="l01875"></a>01875 <span class="comment">       * using the number of audio groups as modulo divider.  This is</span>
    1890. 

  1890. <a name="l01876"></a>01876 <span class="comment">       * typically the number of output channels on the 'sound card',</span>
    1891. 

  1891. <a name="l01877"></a>01877 <span class="comment">       * as long as the LADSPA Fx unit is not used. In case of LADSPA</span>
    1892. 

  1892. <a name="l01878"></a>01878 <span class="comment">       * unit, think of it as subgroups on a mixer.</span>
    1893. 

  1893. <a name="l01879"></a>01879 <span class="comment">       *</span>
    1894. 

  1894. <a name="l01880"></a>01880 <span class="comment">       * For example: Assume that the number of groups is set to 2.</span>
    1895. 

  1895. <a name="l01881"></a>01881 <span class="comment">       * Then MIDI channel 1, 3, 5, 7 etc. go to output 1, channels 2,</span>
    1896. 

  1896. <a name="l01882"></a>01882 <span class="comment">       * 4, 6, 8 etc to output 2.  Or assume 3 groups: Then MIDI</span>
    1897. 

  1897. <a name="l01883"></a>01883 <span class="comment">       * channels 1, 4, 7, 10 etc go to output 1; 2, 5, 8, 11 etc to</span>
    1898. 

  1898. <a name="l01884"></a>01884 <span class="comment">       * output 2, 3, 6, 9, 12 etc to output 3.</span>
    1899. 

  1899. <a name="l01885"></a>01885 <span class="comment">       */</span>
    1900. 

  1900. <a name="l01886"></a>01886       auchan = fluid_channel_get_num(fluid_voice_get_channel(voice));
    1901. 

  1901. <a name="l01887"></a>01887       auchan %= synth-&gt;audio_groups;
    1902. 

  1902. <a name="l01888"></a>01888       left_buf = synth-&gt;left_buf[auchan];
    1903. 

  1903. <a name="l01889"></a>01889       right_buf = synth-&gt;right_buf[auchan];
    1904. 

  1904. <a name="l01890"></a>01890 
    1905. 

  1905. <a name="l01891"></a>01891       fluid_voice_write(voice, left_buf, right_buf, reverb_buf, chorus_buf);
    1906. 

  1906. <a name="l01892"></a>01892 
    1907. 

  1907. <a name="l01893"></a>01893       fluid_profile(FLUID_PROF_ONE_BLOCK_VOICE, prof_ref_voice);
    1908. 

  1908. <a name="l01894"></a>01894     }
    1909. 

  1909. <a name="l01895"></a>01895   }
    1910. 

  1910. <a name="l01896"></a>01896 
    1911. 

  1911. <a name="l01897"></a>01897   fluid_check_fpe(<span class="stringliteral">"Synthesis processes"</span>);
    1912. 

  1912. <a name="l01898"></a>01898 
    1913. 

  1913. <a name="l01899"></a>01899   fluid_profile(FLUID_PROF_ONE_BLOCK_VOICES, prof_ref);
    1914. 

  1914. <a name="l01900"></a>01900 
    1915. 

  1915. <a name="l01901"></a>01901   <span class="comment">/* if multi channel output, don't mix the output of the chorus and</span>
    1916. 

  1916. <a name="l01902"></a>01902 <span class="comment">     reverb in the final output. The effects outputs are send</span>
    1917. 

  1917. <a name="l01903"></a>01903 <span class="comment">     separately. */</span>
    1918. 

  1918. <a name="l01904"></a>01904 
    1919. 

  1919. <a name="l01905"></a>01905   <span class="keywordflow">if</span> (do_not_mix_fx_to_out) {
    1920. 

  1920. <a name="l01906"></a>01906 
    1921. 

  1921. <a name="l01907"></a>01907     <span class="comment">/* send to reverb */</span>
    1922. 

  1922. <a name="l01908"></a>01908     <span class="keywordflow">if</span> (reverb_buf) {
    1923. 

  1923. <a name="l01909"></a>01909       fluid_revmodel_processreplace(synth-&gt;reverb, reverb_buf,
    1924. 

  1924. <a name="l01910"></a>01910                                    synth-&gt;fx_left_buf[0], synth-&gt;fx_right_buf[0]);
    1925. 

  1925. <a name="l01911"></a>01911       fluid_check_fpe(<span class="stringliteral">"Reverb"</span>);
    1926. 

  1926. <a name="l01912"></a>01912     }
    1927. 

  1927. <a name="l01913"></a>01913 
    1928. 

  1928. <a name="l01914"></a>01914     fluid_profile(FLUID_PROF_ONE_BLOCK_REVERB, prof_ref);
    1929. 

  1929. <a name="l01915"></a>01915 
    1930. 

  1930. <a name="l01916"></a>01916     <span class="comment">/* send to chorus */</span>
    1931. 

  1931. <a name="l01917"></a>01917     <span class="keywordflow">if</span> (chorus_buf) {
    1932. 

  1932. <a name="l01918"></a>01918       fluid_chorus_processreplace(synth-&gt;chorus, chorus_buf,
    1933. 

  1933. <a name="l01919"></a>01919                                  synth-&gt;fx_left_buf[1], synth-&gt;fx_right_buf[1]);
    1934. 

  1934. <a name="l01920"></a>01920       fluid_check_fpe(<span class="stringliteral">"Chorus"</span>);
    1935. 

  1935. <a name="l01921"></a>01921     }
    1936. 

  1936. <a name="l01922"></a>01922 
    1937. 

  1937. <a name="l01923"></a>01923   } <span class="keywordflow">else</span> {
    1938. 

  1938. <a name="l01924"></a>01924 
    1939. 

  1939. <a name="l01925"></a>01925     <span class="comment">/* send to reverb */</span>
    1940. 

  1940. <a name="l01926"></a>01926     <span class="keywordflow">if</span> (reverb_buf) {
    1941. 

  1941. <a name="l01927"></a>01927       fluid_revmodel_processmix(synth-&gt;reverb, reverb_buf,
    1942. 

  1942. <a name="l01928"></a>01928                                synth-&gt;left_buf[0], synth-&gt;right_buf[0]);
    1943. 

  1943. <a name="l01929"></a>01929       fluid_check_fpe(<span class="stringliteral">"Reverb"</span>);
    1944. 

  1944. <a name="l01930"></a>01930     }
    1945. 

  1945. <a name="l01931"></a>01931 
    1946. 

  1946. <a name="l01932"></a>01932     fluid_profile(FLUID_PROF_ONE_BLOCK_REVERB, prof_ref);
    1947. 

  1947. <a name="l01933"></a>01933 
    1948. 

  1948. <a name="l01934"></a>01934     <span class="comment">/* send to chorus */</span>
    1949. 

  1949. <a name="l01935"></a>01935     <span class="keywordflow">if</span> (chorus_buf) {
    1950. 

  1950. <a name="l01936"></a>01936       fluid_chorus_processmix(synth-&gt;chorus, chorus_buf,
    1951. 

  1951. <a name="l01937"></a>01937                              synth-&gt;left_buf[0], synth-&gt;right_buf[0]);
    1952. 

  1952. <a name="l01938"></a>01938       fluid_check_fpe(<span class="stringliteral">"Chorus"</span>);
    1953. 

  1953. <a name="l01939"></a>01939     }
    1954. 

  1954. <a name="l01940"></a>01940   }
    1955. 

  1955. <a name="l01941"></a>01941 
    1956. 

  1956. <a name="l01942"></a>01942   fluid_profile(FLUID_PROF_ONE_BLOCK_CHORUS, prof_ref);
    1957. 

  1957. <a name="l01943"></a>01943 
    1958. 

  1958. <a name="l01944"></a>01944 <span class="preprocessor">#ifdef LADSPA</span>
    1959. 

  1959. <a name="l01945"></a>01945 <span class="preprocessor"></span>  <span class="comment">/* Run the signal through the LADSPA Fx unit */</span>
    1960. 

  1960. <a name="l01946"></a>01946   fluid_LADSPA_run(synth-&gt;LADSPA_FxUnit, synth-&gt;left_buf, synth-&gt;right_buf, synth-&gt;fx_left_buf, synth-&gt;fx_right_buf);
    1961. 

  1961. <a name="l01947"></a>01947   fluid_check_fpe(<span class="stringliteral">"LADSPA"</span>);
    1962. 

  1962. <a name="l01948"></a>01948 <span class="preprocessor">#endif</span>
    1963. 

  1963. <a name="l01949"></a>01949 <span class="preprocessor"></span>
    1964. 

  1964. <a name="l01950"></a>01950   synth-&gt;ticks += FLUID_BUFSIZE;
    1965. 

  1965. <a name="l01951"></a>01951 
    1966. 

  1966. <a name="l01952"></a>01952   <span class="comment">/* Testcase, that provokes a denormal floating point error */</span>
    1967. 

  1967. <a name="l01953"></a>01953 <span class="preprocessor">#if 0</span>
    1968. 

  1968. <a name="l01954"></a>01954 <span class="preprocessor"></span>  {<span class="keywordtype">float</span> num=1;<span class="keywordflow">while</span> (num != 0){num*=0.5;};};
    1969. 

  1969. <a name="l01955"></a>01955 <span class="preprocessor">#endif</span>
    1970. 

  1970. <a name="l01956"></a>01956 <span class="preprocessor"></span>  fluid_check_fpe(<span class="stringliteral">"??? Remainder of synth_one_block ???"</span>);
    1971. 

  1971. <a name="l01957"></a>01957 
    1972. 

  1972. <a name="l01958"></a>01958 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); /\* Allow other threads to touch the synth *\/ */</span>
    1973. 

  1973. <a name="l01959"></a>01959 
    1974. 

  1974. <a name="l01960"></a>01960   <span class="keywordflow">return</span> 0;
    1975. 

  1975. <a name="l01961"></a>01961 }
    1976. 

  1976. <a name="l01962"></a>01962 
    1977. 

  1977. <a name="l01963"></a>01963 
    1978. 

  1978. <a name="l01964"></a>01964 <span class="comment">/*</span>
    1979. 

  1979. <a name="l01965"></a>01965 <span class="comment"> * fluid_synth_free_voice_by_kill</span>
    1980. 

  1980. <a name="l01966"></a>01966 <span class="comment"> *</span>
    1981. 

  1981. <a name="l01967"></a>01967 <span class="comment"> * selects a voice for killing. the selection algorithm is a refinement</span>
    1982. 

  1982. <a name="l01968"></a>01968 <span class="comment"> * of the algorithm previously in fluid_synth_alloc_voice.</span>
    1983. 

  1983. <a name="l01969"></a>01969 <span class="comment"> */</span>
    1984. 

  1984. <a name="l01970"></a>01970 fluid_voice_t*
    1985. 

  1985. <a name="l01971"></a>01971 fluid_synth_free_voice_by_kill(fluid_synth_t* synth)
    1986. 

  1986. <a name="l01972"></a>01972 {
    1987. 

  1987. <a name="l01973"></a>01973   <span class="keywordtype">int</span> i;
    1988. 

  1988. <a name="l01974"></a>01974   fluid_real_t best_prio = 999999.;
    1989. 

  1989. <a name="l01975"></a>01975   fluid_real_t this_voice_prio;
    1990. 

  1990. <a name="l01976"></a>01976   fluid_voice_t* voice;
    1991. 

  1991. <a name="l01977"></a>01977   <span class="keywordtype">int</span> best_voice_index=-1;
    1992. 

  1992. <a name="l01978"></a>01978 
    1993. 

  1993. <a name="l01979"></a>01979 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    1994. 

  1994. <a name="l01980"></a>01980 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    1995. 

  1995. <a name="l01981"></a>01981 
    1996. 

  1996. <a name="l01982"></a>01982   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    1997. 

  1997. <a name="l01983"></a>01983 
    1998. 

  1998. <a name="l01984"></a>01984     voice = synth-&gt;voice[i];
    1999. 

  1999. <a name="l01985"></a>01985 
    2000. 

  2000. <a name="l01986"></a>01986     <span class="comment">/* safeguard against an available voice. */</span>
    2001. 

  2001. <a name="l01987"></a>01987     <span class="keywordflow">if</span> (_AVAILABLE(voice)) {
    2002. 

  2002. <a name="l01988"></a>01988       <span class="keywordflow">return</span> voice;
    2003. 

  2003. <a name="l01989"></a>01989     }
    2004. 

  2004. <a name="l01990"></a>01990 
    2005. 

  2005. <a name="l01991"></a>01991     <span class="comment">/* Determine, how 'important' a voice is.</span>
    2006. 

  2006. <a name="l01992"></a>01992 <span class="comment">     * Start with an arbitrary number */</span>
    2007. 

  2007. <a name="l01993"></a>01993     this_voice_prio = 10000.;
    2008. 

  2008. <a name="l01994"></a>01994 
    2009. 

  2009. <a name="l01995"></a>01995     <span class="comment">/* Is this voice on the drum channel?</span>
    2010. 

  2010. <a name="l01996"></a>01996 <span class="comment">     * Then it is very important.</span>
    2011. 

  2011. <a name="l01997"></a>01997 <span class="comment">     * Also, forget about the released-note condition:</span>
    2012. 

  2012. <a name="l01998"></a>01998 <span class="comment">     * Typically, drum notes are triggered only very briefly, they run most</span>
    2013. 

  2013. <a name="l01999"></a>01999 <span class="comment">     * of the time in release phase.</span>
    2014. 

  2014. <a name="l02000"></a>02000 <span class="comment">     */</span>
    2015. 

  2015. <a name="l02001"></a>02001     <span class="keywordflow">if</span> (voice-&gt;chan == 9){
    2016. 

  2016. <a name="l02002"></a>02002       this_voice_prio += 4000;
    2017. 

  2017. <a name="l02003"></a>02003 
    2018. 

  2018. <a name="l02004"></a>02004     } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_RELEASED(voice)){
    2019. 

  2019. <a name="l02005"></a>02005       <span class="comment">/* The key for this voice has been released. Consider it much less important</span>
    2020. 

  2020. <a name="l02006"></a>02006 <span class="comment">       * than a voice, which is still held.</span>
    2021. 

  2021. <a name="l02007"></a>02007 <span class="comment">       */</span>
    2022. 

  2022. <a name="l02008"></a>02008       this_voice_prio -= 2000.;
    2023. 

  2023. <a name="l02009"></a>02009     }
    2024. 

  2024. <a name="l02010"></a>02010 
    2025. 

  2025. <a name="l02011"></a>02011     <span class="keywordflow">if</span> (_SUSTAINED(voice)){
    2026. 

  2026. <a name="l02012"></a>02012       <span class="comment">/* The sustain pedal is held down on this channel.</span>
    2027. 

  2027. <a name="l02013"></a>02013 <span class="comment">       * Consider it less important than non-sustained channels.</span>
    2028. 

  2028. <a name="l02014"></a>02014 <span class="comment">       * This decision is somehow subjective. But usually the sustain pedal</span>
    2029. 

  2029. <a name="l02015"></a>02015 <span class="comment">       * is used to play 'more-voices-than-fingers', so it shouldn't hurt</span>
    2030. 

  2030. <a name="l02016"></a>02016 <span class="comment">       * if we kill one voice.</span>
    2031. 

  2031. <a name="l02017"></a>02017 <span class="comment">       */</span>
    2032. 

  2032. <a name="l02018"></a>02018       this_voice_prio -= 1000;
    2033. 

  2033. <a name="l02019"></a>02019     }
    2034. 

  2034. <a name="l02020"></a>02020 
    2035. 

  2035. <a name="l02021"></a>02021     <span class="comment">/* We are not enthusiastic about releasing voices, which have just been started.</span>
    2036. 

  2036. <a name="l02022"></a>02022 <span class="comment">     * Otherwise hitting a chord may result in killing notes belonging to that very same</span>
    2037. 

  2037. <a name="l02023"></a>02023 <span class="comment">     * chord.</span>
    2038. 

  2038. <a name="l02024"></a>02024 <span class="comment">     * So subtract the age of the voice from the priority - an older voice is just a little</span>
    2039. 

  2039. <a name="l02025"></a>02025 <span class="comment">     * bit less important than a younger voice.</span>
    2040. 

  2040. <a name="l02026"></a>02026 <span class="comment">     * This is a number between roughly 0 and 100.*/</span>
    2041. 

  2041. <a name="l02027"></a>02027     this_voice_prio -= (synth-&gt;noteid - fluid_voice_get_id(voice));
    2042. 

  2042. <a name="l02028"></a>02028 
    2043. 

  2043. <a name="l02029"></a>02029     <span class="comment">/* take a rough estimate of loudness into account. Louder voices are more important. */</span>
    2044. 

  2044. <a name="l02030"></a>02030     <span class="keywordflow">if</span> (voice-&gt;volenv_section != FLUID_VOICE_ENVATTACK){
    2045. 

  2045. <a name="l02031"></a>02031       this_voice_prio += voice-&gt;volenv_val * 1000.;
    2046. 

  2046. <a name="l02032"></a>02032     }
    2047. 

  2047. <a name="l02033"></a>02033 
    2048. 

  2048. <a name="l02034"></a>02034     <span class="comment">/* check if this voice has less priority than the previous candidate. */</span>
    2049. 

  2049. <a name="l02035"></a>02035     <span class="keywordflow">if</span> (this_voice_prio &lt; best_prio)
    2050. 

  2050. <a name="l02036"></a>02036       best_voice_index = i,
    2051. 

  2051. <a name="l02037"></a>02037       best_prio = this_voice_prio;
    2052. 

  2052. <a name="l02038"></a>02038   }
    2053. 

  2053. <a name="l02039"></a>02039 
    2054. 

  2054. <a name="l02040"></a>02040   <span class="keywordflow">if</span> (best_voice_index &lt; 0) {
    2055. 

  2055. <a name="l02041"></a>02041     <span class="keywordflow">return</span> NULL;
    2056. 

  2056. <a name="l02042"></a>02042   }
    2057. 

  2057. <a name="l02043"></a>02043 
    2058. 

  2058. <a name="l02044"></a>02044   voice = synth-&gt;voice[best_voice_index];
    2059. 

  2059. <a name="l02045"></a>02045   fluid_voice_off(voice);
    2060. 

  2060. <a name="l02046"></a>02046 
    2061. 

  2061. <a name="l02047"></a>02047   <span class="keywordflow">return</span> voice;
    2062. 

  2062. <a name="l02048"></a>02048 }
    2063. 

  2063. <a name="l02049"></a>02049 
    2064. 

  2064. <a name="l02050"></a>02050 <span class="comment">/*</span>
    2065. 

  2065. <a name="l02051"></a>02051 <span class="comment"> * fluid_synth_alloc_voice</span>
    2066. 

  2066. <a name="l02052"></a>02052 <span class="comment"> */</span>
    2067. 

  2067. <a name="l02053"></a>02053 fluid_voice_t*
    2068. 

  2068. <a name="l02054"></a>02054 fluid_synth_alloc_voice(fluid_synth_t* synth, <a class="code" href="struct__fluid__sample__t.html">fluid_sample_t</a>* sample, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> key, <span class="keywordtype">int</span> vel)
    2069. 

  2069. <a name="l02055"></a>02055 {
    2070. 

  2070. <a name="l02056"></a>02056   <span class="keywordtype">int</span> i, k;
    2071. 

  2071. <a name="l02057"></a>02057   fluid_voice_t* voice = NULL;
    2072. 

  2072. <a name="l02058"></a>02058   fluid_channel_t* channel = NULL;
    2073. 

  2073. <a name="l02059"></a>02059 
    2074. 

  2074. <a name="l02060"></a>02060 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    2075. 

  2075. <a name="l02061"></a>02061 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    2076. 

  2076. <a name="l02062"></a>02062 
    2077. 

  2077. <a name="l02063"></a>02063   <span class="comment">/* check if there's an available synthesis process */</span>
    2078. 

  2078. <a name="l02064"></a>02064   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    2079. 

  2079. <a name="l02065"></a>02065     <span class="keywordflow">if</span> (_AVAILABLE(synth-&gt;voice[i])) {
    2080. 

  2080. <a name="l02066"></a>02066       voice = synth-&gt;voice[i];
    2081. 

  2081. <a name="l02067"></a>02067       <span class="keywordflow">break</span>;
    2082. 

  2082. <a name="l02068"></a>02068     }
    2083. 

  2083. <a name="l02069"></a>02069   }
    2084. 

  2084. <a name="l02070"></a>02070 
    2085. 

  2085. <a name="l02071"></a>02071   <span class="comment">/* No success yet? Then stop a running voice. */</span>
    2086. 

  2086. <a name="l02072"></a>02072   <span class="keywordflow">if</span> (voice == NULL) {
    2087. 

  2087. <a name="l02073"></a>02073     voice = fluid_synth_free_voice_by_kill(synth);
    2088. 

  2088. <a name="l02074"></a>02074   }
    2089. 

  2089. <a name="l02075"></a>02075 
    2090. 

  2090. <a name="l02076"></a>02076   <span class="keywordflow">if</span> (voice == NULL) {
    2091. 

  2091. <a name="l02077"></a>02077     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Failed to allocate a synthesis process. (chan=%d,key=%d)"</span>, chan, key);
    2092. 

  2092. <a name="l02078"></a>02078     <span class="keywordflow">return</span> NULL;
    2093. 

  2093. <a name="l02079"></a>02079   }
    2094. 

  2094. <a name="l02080"></a>02080 
    2095. 

  2095. <a name="l02081"></a>02081   <span class="keywordflow">if</span> (synth-&gt;verbose) {
    2096. 

  2096. <a name="l02082"></a>02082     k = 0;
    2097. 

  2097. <a name="l02083"></a>02083     <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    2098. 

  2098. <a name="l02084"></a>02084       <span class="keywordflow">if</span> (!_AVAILABLE(synth-&gt;voice[i])) {
    2099. 

  2099. <a name="l02085"></a>02085         k++;
    2100. 

  2100. <a name="l02086"></a>02086       }
    2101. 

  2101. <a name="l02087"></a>02087     }
    2102. 

  2102. <a name="l02088"></a>02088 
    2103. 

  2103. <a name="l02089"></a>02089     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9edfa902517702f2dd8ae849b810175ac4" title="Verbose informational messages.">FLUID_INFO</a>, <span class="stringliteral">"noteon\t%d\t%d\t%d\t%05d\t%.3f\t%.3f\t%.3f\t%d"</span>,
    2104. 

  2104. <a name="l02090"></a>02090              chan, key, vel, synth-&gt;storeid,
    2105. 

  2105. <a name="l02091"></a>02091              (<span class="keywordtype">float</span>) synth-&gt;ticks / 44100.0f,
    2106. 

  2106. <a name="l02092"></a>02092              (fluid_curtime() - synth-&gt;start) / 1000.0f,
    2107. 

  2107. <a name="l02093"></a>02093              0.0f,
    2108. 

  2108. <a name="l02094"></a>02094              k);
    2109. 

  2109. <a name="l02095"></a>02095   }
    2110. 

  2110. <a name="l02096"></a>02096 
    2111. 

  2111. <a name="l02097"></a>02097   <span class="keywordflow">if</span> (chan &gt;= 0) {
    2112. 

  2112. <a name="l02098"></a>02098           channel = synth-&gt;channel[chan];
    2113. 

  2113. <a name="l02099"></a>02099   }
    2114. 

  2114. <a name="l02100"></a>02100 
    2115. 

  2115. <a name="l02101"></a>02101   <span class="keywordflow">if</span> (fluid_voice_init(voice, sample, channel, key, vel,
    2116. 

  2116. <a name="l02102"></a>02102                        synth-&gt;storeid, synth-&gt;ticks, synth-&gt;gain) != FLUID_OK) {
    2117. 

  2117. <a name="l02103"></a>02103     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Failed to initialize voice"</span>);
    2118. 

  2118. <a name="l02104"></a>02104     <span class="keywordflow">return</span> NULL;
    2119. 

  2119. <a name="l02105"></a>02105   }
    2120. 

  2120. <a name="l02106"></a>02106 
    2121. 

  2121. <a name="l02107"></a>02107   <span class="comment">/* add the default modulators to the synthesis process. */</span>
    2122. 

  2122. <a name="l02108"></a>02108   fluid_voice_add_mod(voice, &amp;default_vel2att_mod, FLUID_VOICE_DEFAULT);    <span class="comment">/* SF2.01 $8.4.1  */</span>
    2123. 

  2123. <a name="l02109"></a>02109   fluid_voice_add_mod(voice, &amp;default_vel2filter_mod, FLUID_VOICE_DEFAULT); <span class="comment">/* SF2.01 $8.4.2  */</span>
    2124. 

  2124. <a name="l02110"></a>02110   fluid_voice_add_mod(voice, &amp;default_at2viblfo_mod, FLUID_VOICE_DEFAULT);  <span class="comment">/* SF2.01 $8.4.3  */</span>
    2125. 

  2125. <a name="l02111"></a>02111   fluid_voice_add_mod(voice, &amp;default_mod2viblfo_mod, FLUID_VOICE_DEFAULT); <span class="comment">/* SF2.01 $8.4.4  */</span>
    2126. 

  2126. <a name="l02112"></a>02112   fluid_voice_add_mod(voice, &amp;default_att_mod, FLUID_VOICE_DEFAULT);        <span class="comment">/* SF2.01 $8.4.5  */</span>
    2127. 

  2127. <a name="l02113"></a>02113   fluid_voice_add_mod(voice, &amp;default_pan_mod, FLUID_VOICE_DEFAULT);        <span class="comment">/* SF2.01 $8.4.6  */</span>
    2128. 

  2128. <a name="l02114"></a>02114   fluid_voice_add_mod(voice, &amp;default_expr_mod, FLUID_VOICE_DEFAULT);       <span class="comment">/* SF2.01 $8.4.7  */</span>
    2129. 

  2129. <a name="l02115"></a>02115   fluid_voice_add_mod(voice, &amp;default_reverb_mod, FLUID_VOICE_DEFAULT);     <span class="comment">/* SF2.01 $8.4.8  */</span>
    2130. 

  2130. <a name="l02116"></a>02116   fluid_voice_add_mod(voice, &amp;default_chorus_mod, FLUID_VOICE_DEFAULT);     <span class="comment">/* SF2.01 $8.4.9  */</span>
    2131. 

  2131. <a name="l02117"></a>02117   fluid_voice_add_mod(voice, &amp;default_pitch_bend_mod, FLUID_VOICE_DEFAULT); <span class="comment">/* SF2.01 $8.4.10 */</span>
    2132. 

  2132. <a name="l02118"></a>02118 
    2133. 

  2133. <a name="l02119"></a>02119   <span class="keywordflow">return</span> voice;
    2134. 

  2134. <a name="l02120"></a>02120 }
    2135. 

  2135. <a name="l02121"></a>02121 
    2136. 

  2136. <a name="l02122"></a>02122 <span class="comment">/*</span>
    2137. 

  2137. <a name="l02123"></a>02123 <span class="comment"> * fluid_synth_kill_by_exclusive_class</span>
    2138. 

  2138. <a name="l02124"></a>02124 <span class="comment"> */</span>
    2139. 

  2139. <a name="l02125"></a>02125 <span class="keywordtype">void</span> fluid_synth_kill_by_exclusive_class(fluid_synth_t* synth, fluid_voice_t* new_voice)
    2140. 

  2140. <a name="l02126"></a>02126 {
    2141. 

  2141. <a name="l02137"></a>02137   <span class="keywordtype">int</span> i;
    2142. 

  2142. <a name="l02138"></a>02138   <span class="keywordtype">int</span> excl_class = _GEN(new_voice,<a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b4900ee448f717ec582dac28ce51d08914" title="Exclusive class number.">GEN_EXCLUSIVECLASS</a>);
    2143. 

  2143. <a name="l02139"></a>02139 
    2144. 

  2144. <a name="l02140"></a>02140   <span class="comment">/* Check if the voice belongs to an exclusive class. In that case,</span>
    2145. 

  2145. <a name="l02141"></a>02141 <span class="comment">     previous notes from the same class are released. */</span>
    2146. 

  2146. <a name="l02142"></a>02142 
    2147. 

  2147. <a name="l02143"></a>02143   <span class="comment">/* Excl. class 0: No exclusive class */</span>
    2148. 

  2148. <a name="l02144"></a>02144   <span class="keywordflow">if</span> (excl_class == 0) {
    2149. 

  2149. <a name="l02145"></a>02145     <span class="keywordflow">return</span>;
    2150. 

  2150. <a name="l02146"></a>02146   }
    2151. 

  2151. <a name="l02147"></a>02147 
    2152. 

  2152. <a name="l02148"></a>02148   <span class="comment">//  FLUID_LOG(FLUID_INFO, "Voice belongs to exclusive class (class=%d, ignore_id=%d)", excl_class, ignore_ID);</span>
    2153. 

  2153. <a name="l02149"></a>02149 
    2154. 

  2154. <a name="l02150"></a>02150     <span class="comment">/* Kill all notes on the same channel with the same exclusive class */</span>
    2155. 

  2155. <a name="l02151"></a>02151 
    2156. 

  2156. <a name="l02152"></a>02152   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    2157. 

  2157. <a name="l02153"></a>02153     fluid_voice_t* existing_voice = synth-&gt;voice[i];
    2158. 

  2158. <a name="l02154"></a>02154 
    2159. 

  2159. <a name="l02155"></a>02155     <span class="comment">/* Existing voice does not play? Leave it alone. */</span>
    2160. 

  2160. <a name="l02156"></a>02156     <span class="keywordflow">if</span> (!_PLAYING(existing_voice)) {
    2161. 

  2161. <a name="l02157"></a>02157       <span class="keywordflow">continue</span>;
    2162. 

  2162. <a name="l02158"></a>02158     }
    2163. 

  2163. <a name="l02159"></a>02159 
    2164. 

  2164. <a name="l02160"></a>02160     <span class="comment">/* An exclusive class is valid for a whole channel (or preset).</span>
    2165. 

  2165. <a name="l02161"></a>02161 <span class="comment">     * Is the voice on a different channel? Leave it alone. */</span>
    2166. 

  2166. <a name="l02162"></a>02162     <span class="keywordflow">if</span> (existing_voice-&gt;chan != new_voice-&gt;chan) {
    2167. 

  2167. <a name="l02163"></a>02163       <span class="keywordflow">continue</span>;
    2168. 

  2168. <a name="l02164"></a>02164     }
    2169. 

  2169. <a name="l02165"></a>02165 
    2170. 

  2170. <a name="l02166"></a>02166     <span class="comment">/* Existing voice has a different (or no) exclusive class? Leave it alone. */</span>
    2171. 

  2171. <a name="l02167"></a>02167     <span class="keywordflow">if</span> ((<span class="keywordtype">int</span>)_GEN(existing_voice, <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b4900ee448f717ec582dac28ce51d08914" title="Exclusive class number.">GEN_EXCLUSIVECLASS</a>) != excl_class) {
    2172. 

  2172. <a name="l02168"></a>02168       <span class="keywordflow">continue</span>;
    2173. 

  2173. <a name="l02169"></a>02169     }
    2174. 

  2174. <a name="l02170"></a>02170 
    2175. 

  2175. <a name="l02171"></a>02171     <span class="comment">/* Existing voice is a voice process belonging to this noteon</span>
    2176. 

  2176. <a name="l02172"></a>02172 <span class="comment">     * event (for example: stereo sample)?  Leave it alone. */</span>
    2177. 

  2177. <a name="l02173"></a>02173     <span class="keywordflow">if</span> (fluid_voice_get_id(existing_voice) == fluid_voice_get_id(new_voice)) {
    2178. 

  2178. <a name="l02174"></a>02174       <span class="keywordflow">continue</span>;
    2179. 

  2179. <a name="l02175"></a>02175     }
    2180. 

  2180. <a name="l02176"></a>02176 
    2181. 

  2181. <a name="l02177"></a>02177     <span class="comment">//    FLUID_LOG(FLUID_INFO, "Releasing previous voice of exclusive class (class=%d, id=%d)",</span>
    2182. 

  2182. <a name="l02178"></a>02178     <span class="comment">//     (int)_GEN(existing_voice, GEN_EXCLUSIVECLASS), (int)fluid_voice_get_id(existing_voice));</span>
    2183. 

  2183. <a name="l02179"></a>02179 
    2184. 

  2184. <a name="l02180"></a>02180     fluid_voice_kill_excl(existing_voice);
    2185. 

  2185. <a name="l02181"></a>02181   };
    2186. 

  2186. <a name="l02182"></a>02182 };
    2187. 

  2187. <a name="l02183"></a>02183 
    2188. 

  2188. <a name="l02184"></a>02184 <span class="comment">/*</span>
    2189. 

  2189. <a name="l02185"></a>02185 <span class="comment"> * fluid_synth_start_voice</span>
    2190. 

  2190. <a name="l02186"></a>02186 <span class="comment"> */</span>
    2191. 

  2191. <a name="l02187"></a>02187 <span class="keywordtype">void</span> fluid_synth_start_voice(fluid_synth_t* synth, fluid_voice_t* voice)
    2192. 

  2192. <a name="l02188"></a>02188 {
    2193. 

  2193. <a name="l02189"></a>02189 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    2194. 

  2194. <a name="l02190"></a>02190 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    2195. 

  2195. <a name="l02191"></a>02191 
    2196. 

  2196. <a name="l02192"></a>02192   <span class="comment">/* Find the exclusive class of this voice. If set, kill all voices</span>
    2197. 

  2197. <a name="l02193"></a>02193 <span class="comment">   * that match the exclusive class and are younger than the first</span>
    2198. 

  2198. <a name="l02194"></a>02194 <span class="comment">   * voice process created by this noteon event. */</span>
    2199. 

  2199. <a name="l02195"></a>02195   fluid_synth_kill_by_exclusive_class(synth, voice);
    2200. 

  2200. <a name="l02196"></a>02196 
    2201. 

  2201. <a name="l02197"></a>02197   <span class="comment">/* Start the new voice */</span>
    2202. 

  2202. <a name="l02198"></a>02198 
    2203. 

  2203. <a name="l02199"></a>02199   fluid_voice_start(voice);
    2204. 

  2204. <a name="l02200"></a>02200 }
    2205. 

  2205. <a name="l02201"></a>02201 
    2206. 

  2206. <a name="l02202"></a>02202 <span class="comment">/*</span>
    2207. 

  2207. <a name="l02203"></a>02203 <span class="comment"> * fluid_synth_add_sfloader</span>
    2208. 

  2208. <a name="l02204"></a>02204 <span class="comment"> */</span>
    2209. 

  2209. <a name="l02205"></a>02205 <span class="keywordtype">void</span> fluid_synth_add_sfloader(fluid_synth_t* synth, <a class="code" href="struct__fluid__sfloader__t.html">fluid_sfloader_t</a>* loader)
    2210. 

  2210. <a name="l02206"></a>02206 {
    2211. 

  2211. <a name="l02207"></a>02207   synth-&gt;loaders = fluid_list_prepend(synth-&gt;loaders, loader);
    2212. 

  2212. <a name="l02208"></a>02208 }
    2213. 

  2213. <a name="l02209"></a>02209 
    2214. 

  2214. <a name="l02210"></a>02210 
    2215. 

  2215. <a name="l02211"></a>02211 <span class="comment">/*</span>
    2216. 

  2216. <a name="l02212"></a>02212 <span class="comment"> * fluid_synth_sfload</span>
    2217. 

  2217. <a name="l02213"></a>02213 <span class="comment"> */</span>
    2218. 

  2218. <a name="l02214"></a>02214 <span class="keywordtype">int</span>
    2219. 

  2219. <a name="l02215"></a>02215 fluid_synth_sfload(fluid_synth_t* synth, <span class="keyword">const</span> <span class="keywordtype">char</span>* filename, <span class="keywordtype">int</span> reset_presets)
    2220. 

  2220. <a name="l02216"></a>02216 {
    2221. 

  2221. <a name="l02217"></a>02217   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont;
    2222. 

  2222. <a name="l02218"></a>02218   fluid_list_t* list;
    2223. 

  2223. <a name="l02219"></a>02219   <a class="code" href="struct__fluid__sfloader__t.html">fluid_sfloader_t</a>* loader;
    2224. 

  2224. <a name="l02220"></a>02220 
    2225. 

  2225. <a name="l02221"></a>02221 <span class="preprocessor">#if defined(MACOS9)</span>
    2226. 

  2226. <a name="l02222"></a>02222 <span class="preprocessor"></span>  fluid_synth_sfunload_macos9(synth);
    2227. 

  2227. <a name="l02223"></a>02223 <span class="preprocessor">#endif</span>
    2228. 

  2228. <a name="l02224"></a>02224 <span class="preprocessor"></span>
    2229. 

  2229. <a name="l02225"></a>02225   <span class="keywordflow">if</span> (filename == NULL) {
    2230. 

  2230. <a name="l02226"></a>02226     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Invalid filename"</span>);
    2231. 

  2231. <a name="l02227"></a>02227     <span class="keywordflow">return</span> FLUID_FAILED;
    2232. 

  2232. <a name="l02228"></a>02228   }
    2233. 

  2233. <a name="l02229"></a>02229 
    2234. 

  2234. <a name="l02230"></a>02230   <span class="keywordflow">for</span> (list = synth-&gt;loaders; list; list = fluid_list_next(list)) {
    2235. 

  2235. <a name="l02231"></a>02231     loader = (<a class="code" href="struct__fluid__sfloader__t.html">fluid_sfloader_t</a>*) fluid_list_get(list);
    2236. 

  2236. <a name="l02232"></a>02232 
    2237. 

  2237. <a name="l02233"></a>02233     sfont = fluid_sfloader_load(loader, filename);
    2238. 

  2238. <a name="l02234"></a>02234 
    2239. 

  2239. <a name="l02235"></a>02235     <span class="keywordflow">if</span> (sfont != NULL) {
    2240. 

  2240. <a name="l02236"></a>02236 
    2241. 

  2241. <a name="l02237"></a>02237       sfont-&gt;<a class="code" href="struct__fluid__sfont__t.html#e955816cff10890c6369ac04733d37fb">id</a> = ++synth-&gt;sfont_id;
    2242. 

  2242. <a name="l02238"></a>02238 
    2243. 

  2243. <a name="l02239"></a>02239       <span class="comment">/* insert the sfont as the first one on the list */</span>
    2244. 

  2244. <a name="l02240"></a>02240       synth-&gt;sfont = fluid_list_prepend(synth-&gt;sfont, sfont);
    2245. 

  2245. <a name="l02241"></a>02241 
    2246. 

  2246. <a name="l02242"></a>02242       <span class="comment">/* reset the presets for all channels */</span>
    2247. 

  2247. <a name="l02243"></a>02243       <span class="keywordflow">if</span> (reset_presets) {
    2248. 

  2248. <a name="l02244"></a>02244         fluid_synth_program_reset(synth);
    2249. 

  2249. <a name="l02245"></a>02245       }
    2250. 

  2250. <a name="l02246"></a>02246 
    2251. 

  2251. <a name="l02247"></a>02247       <span class="keywordflow">return</span> (<span class="keywordtype">int</span>) sfont-&gt;<a class="code" href="struct__fluid__sfont__t.html#e955816cff10890c6369ac04733d37fb">id</a>;
    2252. 

  2252. <a name="l02248"></a>02248     }
    2253. 

  2253. <a name="l02249"></a>02249   }
    2254. 

  2254. <a name="l02250"></a>02250 
    2255. 

  2255. <a name="l02251"></a>02251   FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Failed to load SoundFont \"%s\""</span>, filename);
    2256. 

  2256. <a name="l02252"></a>02252   <span class="keywordflow">return</span> -1;
    2257. 

  2257. <a name="l02253"></a>02253 }
    2258. 

  2258. <a name="l02254"></a>02254 
    2259. 

  2259. <a name="l02255"></a>02255 <span class="comment">/*</span>
    2260. 

  2260. <a name="l02256"></a>02256 <span class="comment"> * fluid_synth_sfunload_callback</span>
    2261. 

  2261. <a name="l02257"></a>02257 <span class="comment"> */</span>
    2262. 

  2262. <a name="l02258"></a>02258 <span class="keyword">static</span> <span class="keywordtype">int</span> fluid_synth_sfunload_callback(<span class="keywordtype">void</span>* data, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> msec)
    2263. 

  2263. <a name="l02259"></a>02259 {
    2264. 

  2264. <a name="l02260"></a>02260   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont = (<a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>*) data;
    2265. 

  2265. <a name="l02261"></a>02261   <span class="keywordtype">int</span> r = delete_fluid_sfont(sfont);
    2266. 

  2266. <a name="l02262"></a>02262   <span class="keywordflow">if</span> (r == 0) {
    2267. 

  2267. <a name="l02263"></a>02263     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e5542b67c606598020b832c31729175fc" title="Debugging messages.">FLUID_DBG</a>,<span class="stringliteral">"Unloaded SoundFont"</span>);
    2268. 

  2268. <a name="l02264"></a>02264   }
    2269. 

  2269. <a name="l02265"></a>02265   <span class="keywordflow">return</span> r != 0;
    2270. 

  2270. <a name="l02266"></a>02266 }
    2271. 

  2271. <a name="l02267"></a>02267 
    2272. 

  2272. <a name="l02268"></a>02268 <span class="comment">/*</span>
    2273. 

  2273. <a name="l02269"></a>02269 <span class="comment"> * fluid_synth_sfunload_macos9</span>
    2274. 

  2274. <a name="l02270"></a>02270 <span class="comment"> */</span>
    2275. 

  2275. <a name="l02271"></a>02271 <span class="keywordtype">void</span> fluid_synth_sfunload_macos9(fluid_synth_t* synth)
    2276. 

  2276. <a name="l02272"></a>02272 {
    2277. 

  2277. <a name="l02273"></a>02273 <span class="preprocessor">#if defined(MACOS9)</span>
    2278. 

  2278. <a name="l02274"></a>02274 <span class="preprocessor"></span>  fluid_list_t *list, *next;
    2279. 

  2279. <a name="l02275"></a>02275   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont;
    2280. 

  2280. <a name="l02276"></a>02276 
    2281. 

  2281. <a name="l02277"></a>02277   list = synth-&gt;unloading;
    2282. 

  2282. <a name="l02278"></a>02278   <span class="keywordflow">while</span> (list) {
    2283. 

  2283. <a name="l02279"></a>02279     next = fluid_list_next(list);
    2284. 

  2284. <a name="l02280"></a>02280     sfont = (<a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>*) fluid_list_get(list);
    2285. 

  2285. <a name="l02281"></a>02281     <span class="keywordflow">if</span> (delete_fluid_sfont(sfont) == 0) {
    2286. 

  2286. <a name="l02282"></a>02282       synth-&gt;unloading = fluid_list_remove(synth-&gt;unloading, sfont);
    2287. 

  2287. <a name="l02283"></a>02283     }
    2288. 

  2288. <a name="l02284"></a>02284     list = next;
    2289. 

  2289. <a name="l02285"></a>02285   }
    2290. 

  2290. <a name="l02286"></a>02286 <span class="preprocessor">#endif</span>
    2291. 

  2291. <a name="l02287"></a>02287 <span class="preprocessor"></span>}
    2292. 

  2292. <a name="l02288"></a>02288 
    2293. 

  2293. <a name="l02289"></a>02289 <span class="comment">/*</span>
    2294. 

  2294. <a name="l02290"></a>02290 <span class="comment"> * fluid_synth_sfunload</span>
    2295. 

  2295. <a name="l02291"></a>02291 <span class="comment"> */</span>
    2296. 

  2296. <a name="l02292"></a>02292 <span class="keywordtype">int</span>
    2297. 

  2297. <a name="l02293"></a>02293 fluid_synth_sfunload(fluid_synth_t* synth, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">int</span> reset_presets)
    2298. 

  2298. <a name="l02294"></a>02294 {
    2299. 

  2299. <a name="l02295"></a>02295   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont = fluid_synth_get_sfont_by_id(synth, <span class="keywordtype">id</span>);
    2300. 

  2300. <a name="l02296"></a>02296 
    2301. 

  2301. <a name="l02297"></a>02297 <span class="preprocessor">#if defined(MACOS9)</span>
    2302. 

  2302. <a name="l02298"></a>02298 <span class="preprocessor"></span>  fluid_synth_sfunload_macos9(synth);
    2303. 

  2303. <a name="l02299"></a>02299 <span class="preprocessor">#endif</span>
    2304. 

  2304. <a name="l02300"></a>02300 <span class="preprocessor"></span>
    2305. 

  2305. <a name="l02301"></a>02301   <span class="keywordflow">if</span> (!sfont) {
    2306. 

  2306. <a name="l02302"></a>02302     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"No SoundFont with id = %d"</span>, <span class="keywordtype">id</span>);
    2307. 

  2307. <a name="l02303"></a>02303     <span class="keywordflow">return</span> FLUID_FAILED;
    2308. 

  2308. <a name="l02304"></a>02304   }
    2309. 

  2309. <a name="l02305"></a>02305 
    2310. 

  2310. <a name="l02306"></a>02306   <span class="comment">/* remove the SoundFont from the list */</span>
    2311. 

  2311. <a name="l02307"></a>02307   synth-&gt;sfont = fluid_list_remove(synth-&gt;sfont, sfont);
    2312. 

  2312. <a name="l02308"></a>02308 
    2313. 

  2313. <a name="l02309"></a>02309   <span class="comment">/* reset the presets for all channels */</span>
    2314. 

  2314. <a name="l02310"></a>02310   <span class="keywordflow">if</span> (reset_presets) {
    2315. 

  2315. <a name="l02311"></a>02311     fluid_synth_program_reset(synth);
    2316. 

  2316. <a name="l02312"></a>02312   } <span class="keywordflow">else</span> {
    2317. 

  2317. <a name="l02313"></a>02313     fluid_synth_update_presets(synth);
    2318. 

  2318. <a name="l02314"></a>02314   }
    2319. 

  2319. <a name="l02315"></a>02315 
    2320. 

  2320. <a name="l02316"></a>02316   <span class="keywordflow">if</span> (delete_fluid_sfont(sfont) != 0) {
    2321. 

  2321. <a name="l02317"></a>02317 <span class="preprocessor">#if defined(MACOS9)</span>
    2322. 

  2322. <a name="l02318"></a>02318 <span class="preprocessor"></span>    synth-&gt;unloading = fluid_list_prepend(synth-&gt;unloading, sfont);
    2323. 

  2323. <a name="l02319"></a>02319 <span class="preprocessor">#else</span>
    2324. 

  2324. <a name="l02320"></a>02320 <span class="preprocessor"></span>    <span class="comment">/* spin off a timer thread to unload the sfont later */</span>
    2325. 

  2325. <a name="l02321"></a>02321     new_fluid_timer(100, fluid_synth_sfunload_callback, sfont, 1, 1);
    2326. 

  2326. <a name="l02322"></a>02322 <span class="preprocessor">#endif</span>
    2327. 

  2327. <a name="l02323"></a>02323 <span class="preprocessor"></span>  }
    2328. 

  2328. <a name="l02324"></a>02324 
    2329. 

  2329. <a name="l02325"></a>02325   <span class="keywordflow">return</span> FLUID_OK;
    2330. 

  2330. <a name="l02326"></a>02326 }
    2331. 

  2331. <a name="l02327"></a>02327 
    2332. 

  2332. <a name="l02328"></a>02328 <span class="comment">/* fluid_synth_sfreload</span>
    2333. 

  2333. <a name="l02329"></a>02329 <span class="comment"> *</span>
    2334. 

  2334. <a name="l02330"></a>02330 <span class="comment"> */</span>
    2335. 

  2335. <a name="l02331"></a>02331 <span class="keywordtype">int</span> fluid_synth_sfreload(fluid_synth_t* synth, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span>)
    2336. 

  2336. <a name="l02332"></a>02332 {
    2337. 

  2337. <a name="l02333"></a>02333   <span class="keywordtype">char</span> filename[1024];
    2338. 

  2338. <a name="l02334"></a>02334   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont;
    2339. 

  2339. <a name="l02335"></a>02335   <span class="keywordtype">int</span> index = 0;
    2340. 

  2340. <a name="l02336"></a>02336   fluid_list_t *list;
    2341. 

  2341. <a name="l02337"></a>02337   <a class="code" href="struct__fluid__sfloader__t.html">fluid_sfloader_t</a>* loader;
    2342. 

  2342. <a name="l02338"></a>02338 
    2343. 

  2343. <a name="l02339"></a>02339 
    2344. 

  2344. <a name="l02340"></a>02340   sfont = fluid_synth_get_sfont_by_id(synth, <span class="keywordtype">id</span>);
    2345. 

  2345. <a name="l02341"></a>02341   <span class="keywordflow">if</span> (!sfont) {
    2346. 

  2346. <a name="l02342"></a>02342     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"No SoundFont with id = %d"</span>, <span class="keywordtype">id</span>);
    2347. 

  2347. <a name="l02343"></a>02343     <span class="keywordflow">return</span> FLUID_FAILED;
    2348. 

  2348. <a name="l02344"></a>02344   }
    2349. 

  2349. <a name="l02345"></a>02345 
    2350. 

  2350. <a name="l02346"></a>02346   <span class="comment">/* find the index of the SoundFont */</span>
    2351. 

  2351. <a name="l02347"></a>02347   list = synth-&gt;sfont;
    2352. 

  2352. <a name="l02348"></a>02348   <span class="keywordflow">while</span> (list) {
    2353. 

  2353. <a name="l02349"></a>02349     <span class="keywordflow">if</span> (sfont == (<a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>*) fluid_list_get(list)) {
    2354. 

  2354. <a name="l02350"></a>02350       <span class="keywordflow">break</span>;
    2355. 

  2355. <a name="l02351"></a>02351     }
    2356. 

  2356. <a name="l02352"></a>02352     list = fluid_list_next(list);
    2357. 

  2357. <a name="l02353"></a>02353     index++;
    2358. 

  2358. <a name="l02354"></a>02354   }
    2359. 

  2359. <a name="l02355"></a>02355 
    2360. 

  2360. <a name="l02356"></a>02356   <span class="comment">/* keep a copy of the SoundFont's filename */</span>
    2361. 

  2361. <a name="l02357"></a>02357   FLUID_STRCPY(filename, fluid_sfont_get_name(sfont));
    2362. 

  2362. <a name="l02358"></a>02358 
    2363. 

  2363. <a name="l02359"></a>02359   <span class="keywordflow">if</span> (fluid_synth_sfunload(synth, <span class="keywordtype">id</span>, 0) != FLUID_OK) {
    2364. 

  2364. <a name="l02360"></a>02360     <span class="keywordflow">return</span> FLUID_FAILED;
    2365. 

  2365. <a name="l02361"></a>02361   }
    2366. 

  2366. <a name="l02362"></a>02362 
    2367. 

  2367. <a name="l02363"></a>02363   <span class="keywordflow">for</span> (list = synth-&gt;loaders; list; list = fluid_list_next(list)) {
    2368. 

  2368. <a name="l02364"></a>02364     loader = (<a class="code" href="struct__fluid__sfloader__t.html">fluid_sfloader_t</a>*) fluid_list_get(list);
    2369. 

  2369. <a name="l02365"></a>02365 
    2370. 

  2370. <a name="l02366"></a>02366     sfont = fluid_sfloader_load(loader, filename);
    2371. 

  2371. <a name="l02367"></a>02367 
    2372. 

  2372. <a name="l02368"></a>02368     <span class="keywordflow">if</span> (sfont != NULL) {
    2373. 

  2373. <a name="l02369"></a>02369 
    2374. 

  2374. <a name="l02370"></a>02370       sfont-&gt;<a class="code" href="struct__fluid__sfont__t.html#e955816cff10890c6369ac04733d37fb">id</a> = id;
    2375. 

  2375. <a name="l02371"></a>02371 
    2376. 

  2376. <a name="l02372"></a>02372       <span class="comment">/* insert the sfont at the same index */</span>
    2377. 

  2377. <a name="l02373"></a>02373       synth-&gt;sfont = fluid_list_insert_at(synth-&gt;sfont, index, sfont);
    2378. 

  2378. <a name="l02374"></a>02374 
    2379. 

  2379. <a name="l02375"></a>02375       <span class="comment">/* reset the presets for all channels */</span>
    2380. 

  2380. <a name="l02376"></a>02376       fluid_synth_update_presets(synth);
    2381. 

  2381. <a name="l02377"></a>02377 
    2382. 

  2382. <a name="l02378"></a>02378       <span class="keywordflow">return</span> sfont-&gt;<a class="code" href="struct__fluid__sfont__t.html#e955816cff10890c6369ac04733d37fb">id</a>;
    2383. 

  2383. <a name="l02379"></a>02379     }
    2384. 

  2384. <a name="l02380"></a>02380   }
    2385. 

  2385. <a name="l02381"></a>02381 
    2386. 

  2386. <a name="l02382"></a>02382   FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Failed to load SoundFont \"%s\""</span>, filename);
    2387. 

  2387. <a name="l02383"></a>02383   <span class="keywordflow">return</span> -1;
    2388. 

  2388. <a name="l02384"></a>02384 }
    2389. 

  2389. <a name="l02385"></a>02385 
    2390. 

  2390. <a name="l02386"></a>02386 
    2391. 

  2391. <a name="l02387"></a>02387 <span class="comment">/*</span>
    2392. 

  2392. <a name="l02388"></a>02388 <span class="comment"> * fluid_synth_add_sfont</span>
    2393. 

  2393. <a name="l02389"></a>02389 <span class="comment"> */</span>
    2394. 

  2394. <a name="l02390"></a>02390 <span class="keywordtype">int</span> fluid_synth_add_sfont(fluid_synth_t* synth, <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont)
    2395. 

  2395. <a name="l02391"></a>02391 {
    2396. 

  2396. <a name="l02392"></a>02392         sfont-&gt;<a class="code" href="struct__fluid__sfont__t.html#e955816cff10890c6369ac04733d37fb">id</a> = ++synth-&gt;sfont_id;
    2397. 

  2397. <a name="l02393"></a>02393 
    2398. 

  2398. <a name="l02394"></a>02394         <span class="comment">/* insert the sfont as the first one on the list */</span>
    2399. 

  2399. <a name="l02395"></a>02395         synth-&gt;sfont = fluid_list_prepend(synth-&gt;sfont, sfont);
    2400. 

  2400. <a name="l02396"></a>02396 
    2401. 

  2401. <a name="l02397"></a>02397         <span class="comment">/* reset the presets for all channels */</span>
    2402. 

  2402. <a name="l02398"></a>02398         fluid_synth_program_reset(synth);
    2403. 

  2403. <a name="l02399"></a>02399 
    2404. 

  2404. <a name="l02400"></a>02400         <span class="keywordflow">return</span> sfont-&gt;<a class="code" href="struct__fluid__sfont__t.html#e955816cff10890c6369ac04733d37fb">id</a>;
    2405. 

  2405. <a name="l02401"></a>02401 }
    2406. 

  2406. <a name="l02402"></a>02402 
    2407. 

  2407. <a name="l02403"></a>02403 
    2408. 

  2408. <a name="l02404"></a>02404 <span class="comment">/*</span>
    2409. 

  2409. <a name="l02405"></a>02405 <span class="comment"> * fluid_synth_remove_sfont</span>
    2410. 

  2410. <a name="l02406"></a>02406 <span class="comment"> */</span>
    2411. 

  2411. <a name="l02407"></a>02407 <span class="keywordtype">void</span> fluid_synth_remove_sfont(fluid_synth_t* synth, <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont)
    2412. 

  2412. <a name="l02408"></a>02408 {
    2413. 

  2413. <a name="l02409"></a>02409         <span class="keywordtype">int</span> sfont_id = fluid_sfont_get_id(sfont);
    2414. 

  2414. <a name="l02410"></a>02410 
    2415. 

  2415. <a name="l02411"></a>02411         synth-&gt;sfont = fluid_list_remove(synth-&gt;sfont, sfont);
    2416. 

  2416. <a name="l02412"></a>02412 
    2417. 

  2417. <a name="l02413"></a>02413         <span class="comment">/* remove a possible bank offset */</span>
    2418. 

  2418. <a name="l02414"></a>02414         fluid_synth_remove_bank_offset(synth, sfont_id);
    2419. 

  2419. <a name="l02415"></a>02415 
    2420. 

  2420. <a name="l02416"></a>02416         <span class="comment">/* reset the presets for all channels */</span>
    2421. 

  2421. <a name="l02417"></a>02417         fluid_synth_program_reset(synth);
    2422. 

  2422. <a name="l02418"></a>02418 }
    2423. 

  2423. <a name="l02419"></a>02419 
    2424. 

  2424. <a name="l02420"></a>02420 
    2425. 

  2425. <a name="l02421"></a>02421 <span class="comment">/* fluid_synth_sfcount</span>
    2426. 

  2426. <a name="l02422"></a>02422 <span class="comment"> *</span>
    2427. 

  2427. <a name="l02423"></a>02423 <span class="comment"> * Returns the number of loaded SoundFonts</span>
    2428. 

  2428. <a name="l02424"></a>02424 <span class="comment"> */</span>
    2429. 

  2429. <a name="l02425"></a>02425 <span class="keywordtype">int</span>
    2430. 

  2430. <a name="l02426"></a>02426 fluid_synth_sfcount(fluid_synth_t* synth)
    2431. 

  2431. <a name="l02427"></a>02427 {
    2432. 

  2432. <a name="l02428"></a>02428   <span class="keywordflow">return</span> fluid_list_size(synth-&gt;sfont);
    2433. 

  2433. <a name="l02429"></a>02429 }
    2434. 

  2434. <a name="l02430"></a>02430 
    2435. 

  2435. <a name="l02431"></a>02431 <span class="comment">/* fluid_synth_get_sfont</span>
    2436. 

  2436. <a name="l02432"></a>02432 <span class="comment"> *</span>
    2437. 

  2437. <a name="l02433"></a>02433 <span class="comment"> * Returns SoundFont num</span>
    2438. 

  2438. <a name="l02434"></a>02434 <span class="comment"> */</span>
    2439. 

  2439. <a name="l02435"></a>02435 <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>*
    2440. 

  2440. <a name="l02436"></a>02436 fluid_synth_get_sfont(fluid_synth_t* synth, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num)
    2441. 

  2441. <a name="l02437"></a>02437 {
    2442. 

  2442. <a name="l02438"></a>02438   <span class="keywordflow">return</span> (<a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>*) fluid_list_get(fluid_list_nth(synth-&gt;sfont, num));
    2443. 

  2443. <a name="l02439"></a>02439 }
    2444. 

  2444. <a name="l02440"></a>02440 
    2445. 

  2445. <a name="l02441"></a>02441 <span class="comment">/* fluid_synth_get_sfont_by_id</span>
    2446. 

  2446. <a name="l02442"></a>02442 <span class="comment"> *</span>
    2447. 

  2447. <a name="l02443"></a>02443 <span class="comment"> */</span>
    2448. 

  2448. <a name="l02444"></a>02444 <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* fluid_synth_get_sfont_by_id(fluid_synth_t* synth, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span>)
    2449. 

  2449. <a name="l02445"></a>02445 {
    2450. 

  2450. <a name="l02446"></a>02446   fluid_list_t* list = synth-&gt;sfont;
    2451. 

  2451. <a name="l02447"></a>02447   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont;
    2452. 

  2452. <a name="l02448"></a>02448 
    2453. 

  2453. <a name="l02449"></a>02449   <span class="keywordflow">while</span> (list) {
    2454. 

  2454. <a name="l02450"></a>02450     sfont = (<a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>*) fluid_list_get(list);
    2455. 

  2455. <a name="l02451"></a>02451     <span class="keywordflow">if</span> (fluid_sfont_get_id(sfont) == id) {
    2456. 

  2456. <a name="l02452"></a>02452       <span class="keywordflow">return</span> sfont;
    2457. 

  2457. <a name="l02453"></a>02453     }
    2458. 

  2458. <a name="l02454"></a>02454     list = fluid_list_next(list);
    2459. 

  2459. <a name="l02455"></a>02455   }
    2460. 

  2460. <a name="l02456"></a>02456   <span class="keywordflow">return</span> NULL;
    2461. 

  2461. <a name="l02457"></a>02457 }
    2462. 

  2462. <a name="l02458"></a>02458 
    2463. 

  2463. <a name="l02459"></a>02459 <span class="comment">/* fluid_synth_get_sfont_by_name</span>
    2464. 

  2464. <a name="l02460"></a>02460 <span class="comment"> *</span>
    2465. 

  2465. <a name="l02461"></a>02461 <span class="comment"> */</span>
    2466. 

  2466. <a name="l02462"></a>02462 <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* fluid_synth_get_sfont_by_name(fluid_synth_t* synth, <span class="keywordtype">char</span> *name)
    2467. 

  2467. <a name="l02463"></a>02463 {
    2468. 

  2468. <a name="l02464"></a>02464   fluid_list_t* list = synth-&gt;sfont;
    2469. 

  2469. <a name="l02465"></a>02465   <a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>* sfont;
    2470. 

  2470. <a name="l02466"></a>02466 
    2471. 

  2471. <a name="l02467"></a>02467   <span class="keywordflow">while</span> (list) {
    2472. 

  2472. <a name="l02468"></a>02468     sfont = (<a class="code" href="struct__fluid__sfont__t.html">fluid_sfont_t</a>*) fluid_list_get(list);
    2473. 

  2473. <a name="l02469"></a>02469     <span class="keywordflow">if</span> (FLUID_STRCMP(fluid_sfont_get_name(sfont), name) == 0) {
    2474. 

  2474. <a name="l02470"></a>02470       <span class="keywordflow">return</span> sfont;
    2475. 

  2475. <a name="l02471"></a>02471     }
    2476. 

  2476. <a name="l02472"></a>02472     list = fluid_list_next(list);
    2477. 

  2477. <a name="l02473"></a>02473   }
    2478. 

  2478. <a name="l02474"></a>02474   <span class="keywordflow">return</span> NULL;
    2479. 

  2479. <a name="l02475"></a>02475 }
    2480. 

  2480. <a name="l02476"></a>02476 
    2481. 

  2481. <a name="l02477"></a>02477 <span class="comment">/*</span>
    2482. 

  2482. <a name="l02478"></a>02478 <span class="comment"> * fluid_synth_get_channel_preset</span>
    2483. 

  2483. <a name="l02479"></a>02479 <span class="comment"> */</span>
    2484. 

  2484. <a name="l02480"></a>02480 <a class="code" href="struct__fluid__preset__t.html">fluid_preset_t</a>*
    2485. 

  2485. <a name="l02481"></a>02481 fluid_synth_get_channel_preset(fluid_synth_t* synth, <span class="keywordtype">int</span> chan)
    2486. 

  2486. <a name="l02482"></a>02482 {
    2487. 

  2487. <a name="l02483"></a>02483   <span class="keywordflow">if</span> ((chan &gt;= 0) &amp;&amp; (chan &lt; synth-&gt;midi_channels)) {
    2488. 

  2488. <a name="l02484"></a>02484     <span class="keywordflow">return</span> fluid_channel_get_preset(synth-&gt;channel[chan]);
    2489. 

  2489. <a name="l02485"></a>02485   }
    2490. 

  2490. <a name="l02486"></a>02486 
    2491. 

  2491. <a name="l02487"></a>02487   <span class="keywordflow">return</span> NULL;
    2492. 

  2492. <a name="l02488"></a>02488 }
    2493. 

  2493. <a name="l02489"></a>02489 
    2494. 

  2494. <a name="l02490"></a>02490 <span class="comment">/*</span>
    2495. 

  2495. <a name="l02491"></a>02491 <span class="comment"> * fluid_synth_get_voicelist</span>
    2496. 

  2496. <a name="l02492"></a>02492 <span class="comment"> */</span>
    2497. 

  2497. <a name="l02493"></a>02493 <span class="keywordtype">void</span>
    2498. 

  2498. <a name="l02494"></a>02494 fluid_synth_get_voicelist(fluid_synth_t* synth, fluid_voice_t* buf[], <span class="keywordtype">int</span> bufsize, <span class="keywordtype">int</span> ID)
    2499. 

  2499. <a name="l02495"></a>02495 {
    2500. 

  2500. <a name="l02496"></a>02496   <span class="keywordtype">int</span> i;
    2501. 

  2501. <a name="l02497"></a>02497   <span class="keywordtype">int</span> count = 0;
    2502. 

  2502. <a name="l02498"></a>02498   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    2503. 

  2503. <a name="l02499"></a>02499     fluid_voice_t* voice = synth-&gt;voice[i];
    2504. 

  2504. <a name="l02500"></a>02500     <span class="keywordflow">if</span> (count &gt;= bufsize) {
    2505. 

  2505. <a name="l02501"></a>02501       <span class="keywordflow">return</span>;
    2506. 

  2506. <a name="l02502"></a>02502     }
    2507. 

  2507. <a name="l02503"></a>02503 
    2508. 

  2508. <a name="l02504"></a>02504     <span class="keywordflow">if</span> (_PLAYING(voice) &amp;&amp; ((<span class="keywordtype">int</span>)voice-&gt;id == ID || ID &lt; 0)) {
    2509. 

  2509. <a name="l02505"></a>02505       buf[count++] = voice;
    2510. 

  2510. <a name="l02506"></a>02506     }
    2511. 

  2511. <a name="l02507"></a>02507   }
    2512. 

  2512. <a name="l02508"></a>02508   <span class="keywordflow">if</span> (count &gt;= bufsize) {
    2513. 

  2513. <a name="l02509"></a>02509     <span class="keywordflow">return</span>;
    2514. 

  2514. <a name="l02510"></a>02510   }
    2515. 

  2515. <a name="l02511"></a>02511   buf[count++] = NULL;
    2516. 

  2516. <a name="l02512"></a>02512 }
    2517. 

  2517. <a name="l02513"></a>02513 
    2518. 

  2518. <a name="l02514"></a>02514 <span class="comment">/* Purpose:</span>
    2519. 

  2519. <a name="l02515"></a>02515 <span class="comment"> * Turns on / off the reverb unit in the synth */</span>
    2520. 

  2520. <a name="l02516"></a>02516 <span class="keywordtype">void</span> fluid_synth_set_reverb_on(fluid_synth_t* synth, <span class="keywordtype">int</span> on)
    2521. 

  2521. <a name="l02517"></a>02517 {
    2522. 

  2522. <a name="l02518"></a>02518   synth-&gt;with_reverb = on;
    2523. 

  2523. <a name="l02519"></a>02519 }
    2524. 

  2524. <a name="l02520"></a>02520 
    2525. 

  2525. <a name="l02521"></a>02521 <span class="comment">/* Purpose:</span>
    2526. 

  2526. <a name="l02522"></a>02522 <span class="comment"> * Turns on / off the chorus unit in the synth */</span>
    2527. 

  2527. <a name="l02523"></a>02523 <span class="keywordtype">void</span> fluid_synth_set_chorus_on(fluid_synth_t* synth, <span class="keywordtype">int</span> on)
    2528. 

  2528. <a name="l02524"></a>02524 {
    2529. 

  2529. <a name="l02525"></a>02525   synth-&gt;with_chorus = on;
    2530. 

  2530. <a name="l02526"></a>02526 }
    2531. 

  2531. <a name="l02527"></a>02527 
    2532. 

  2532. <a name="l02528"></a>02528 <span class="comment">/* Purpose:</span>
    2533. 

  2533. <a name="l02529"></a>02529 <span class="comment"> * Reports the current setting of the chorus unit. */</span>
    2534. 

  2534. <a name="l02530"></a>02530 <span class="keywordtype">int</span> fluid_synth_get_chorus_nr(fluid_synth_t* synth)
    2535. 

  2535. <a name="l02531"></a>02531 {
    2536. 

  2536. <a name="l02532"></a>02532     <span class="keywordflow">return</span> fluid_chorus_get_nr(synth-&gt;chorus);
    2537. 

  2537. <a name="l02533"></a>02533 }
    2538. 

  2538. <a name="l02534"></a>02534 
    2539. 

  2539. <a name="l02535"></a>02535 <span class="keywordtype">double</span> fluid_synth_get_chorus_level(fluid_synth_t* synth)
    2540. 

  2540. <a name="l02536"></a>02536 {
    2541. 

  2541. <a name="l02537"></a>02537     <span class="keywordflow">return</span> (<span class="keywordtype">double</span>)fluid_chorus_get_level(synth-&gt;chorus);
    2542. 

  2542. <a name="l02538"></a>02538 }
    2543. 

  2543. <a name="l02539"></a>02539 
    2544. 

  2544. <a name="l02540"></a>02540 <span class="keywordtype">double</span> fluid_synth_get_chorus_speed_Hz(fluid_synth_t* synth)
    2545. 

  2545. <a name="l02541"></a>02541 {
    2546. 

  2546. <a name="l02542"></a>02542     <span class="keywordflow">return</span> (<span class="keywordtype">double</span>)fluid_chorus_get_speed_Hz(synth-&gt;chorus);
    2547. 

  2547. <a name="l02543"></a>02543 }
    2548. 

  2548. <a name="l02544"></a>02544 
    2549. 

  2549. <a name="l02545"></a>02545 <span class="keywordtype">double</span> fluid_synth_get_chorus_depth_ms(fluid_synth_t* synth)
    2550. 

  2550. <a name="l02546"></a>02546 {
    2551. 

  2551. <a name="l02547"></a>02547     <span class="keywordflow">return</span> (<span class="keywordtype">double</span>)fluid_chorus_get_depth_ms(synth-&gt;chorus);
    2552. 

  2552. <a name="l02548"></a>02548 }
    2553. 

  2553. <a name="l02549"></a>02549 
    2554. 

  2554. <a name="l02550"></a>02550 <span class="keywordtype">int</span> fluid_synth_get_chorus_type(fluid_synth_t* synth)
    2555. 

  2555. <a name="l02551"></a>02551 {
    2556. 

  2556. <a name="l02552"></a>02552     <span class="keywordflow">return</span> fluid_chorus_get_type(synth-&gt;chorus);
    2557. 

  2557. <a name="l02553"></a>02553 }
    2558. 

  2558. <a name="l02554"></a>02554 
    2559. 

  2559. <a name="l02555"></a>02555 <span class="comment">/* Purpose:</span>
    2560. 

  2560. <a name="l02556"></a>02556 <span class="comment"> * Returns the current settings_old of the reverb unit */</span>
    2561. 

  2561. <a name="l02557"></a>02557 <span class="keywordtype">double</span> fluid_synth_get_reverb_roomsize(fluid_synth_t* synth)
    2562. 

  2562. <a name="l02558"></a>02558 {
    2563. 

  2563. <a name="l02559"></a>02559     <span class="keywordflow">return</span> (<span class="keywordtype">double</span>)fluid_revmodel_getroomsize(synth-&gt;reverb);
    2564. 

  2564. <a name="l02560"></a>02560 }
    2565. 

  2565. <a name="l02561"></a>02561 
    2566. 

  2566. <a name="l02562"></a>02562 <span class="keywordtype">double</span> fluid_synth_get_reverb_damp(fluid_synth_t* synth)
    2567. 

  2567. <a name="l02563"></a>02563 {
    2568. 

  2568. <a name="l02564"></a>02564     <span class="keywordflow">return</span> (<span class="keywordtype">double</span>) fluid_revmodel_getdamp(synth-&gt;reverb);
    2569. 

  2569. <a name="l02565"></a>02565 }
    2570. 

  2570. <a name="l02566"></a>02566 
    2571. 

  2571. <a name="l02567"></a>02567 <span class="keywordtype">double</span> fluid_synth_get_reverb_level(fluid_synth_t* synth)
    2572. 

  2572. <a name="l02568"></a>02568 {
    2573. 

  2573. <a name="l02569"></a>02569     <span class="keywordflow">return</span> (<span class="keywordtype">double</span>) fluid_revmodel_getlevel(synth-&gt;reverb);
    2574. 

  2574. <a name="l02570"></a>02570 }
    2575. 

  2575. <a name="l02571"></a>02571 
    2576. 

  2576. <a name="l02572"></a>02572 <span class="keywordtype">double</span> fluid_synth_get_reverb_width(fluid_synth_t* synth)
    2577. 

  2577. <a name="l02573"></a>02573 {
    2578. 

  2578. <a name="l02574"></a>02574     <span class="keywordflow">return</span> (<span class="keywordtype">double</span>) fluid_revmodel_getwidth(synth-&gt;reverb);
    2579. 

  2579. <a name="l02575"></a>02575 }
    2580. 

  2580. <a name="l02576"></a>02576 
    2581. 

  2581. <a name="l02577"></a>02577 <span class="comment">/* Purpose:</span>
    2582. 

  2582. <a name="l02578"></a>02578 <span class="comment"> *</span>
    2583. 

  2583. <a name="l02579"></a>02579 <span class="comment"> * If the same note is hit twice on the same channel, then the older</span>
    2584. 

  2584. <a name="l02580"></a>02580 <span class="comment"> * voice process is advanced to the release stage.  Using a mechanical</span>
    2585. 

  2585. <a name="l02581"></a>02581 <span class="comment"> * MIDI controller, the only way this can happen is when the sustain</span>
    2586. 

  2586. <a name="l02582"></a>02582 <span class="comment"> * pedal is held.  In this case the behaviour implemented here is</span>
    2587. 

  2587. <a name="l02583"></a>02583 <span class="comment"> * natural for many instruments.  Note: One noteon event can trigger</span>
    2588. 

  2588. <a name="l02584"></a>02584 <span class="comment"> * several voice processes, for example a stereo sample.  Don't</span>
    2589. 

  2589. <a name="l02585"></a>02585 <span class="comment"> * release those...</span>
    2590. 

  2590. <a name="l02586"></a>02586 <span class="comment"> */</span>
    2591. 

  2591. <a name="l02587"></a>02587 <span class="keywordtype">void</span> fluid_synth_release_voice_on_same_note(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> key){
    2592. 

  2592. <a name="l02588"></a>02588   <span class="keywordtype">int</span> i;
    2593. 

  2593. <a name="l02589"></a>02589   fluid_voice_t* voice;
    2594. 

  2594. <a name="l02590"></a>02590 
    2595. 

  2595. <a name="l02591"></a>02591 <span class="comment">/*   fluid_mutex_lock(synth-&gt;busy); /\* Don't interfere with the audio thread *\/ */</span>
    2596. 

  2596. <a name="l02592"></a>02592 <span class="comment">/*   fluid_mutex_unlock(synth-&gt;busy); */</span>
    2597. 

  2597. <a name="l02593"></a>02593 
    2598. 

  2598. <a name="l02594"></a>02594   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    2599. 

  2599. <a name="l02595"></a>02595     voice = synth-&gt;voice[i];
    2600. 

  2600. <a name="l02596"></a>02596     <span class="keywordflow">if</span> (_PLAYING(voice)
    2601. 

  2601. <a name="l02597"></a>02597         &amp;&amp; (voice-&gt;chan == chan)
    2602. 

  2602. <a name="l02598"></a>02598         &amp;&amp; (voice-&gt;key == key)
    2603. 

  2603. <a name="l02599"></a>02599         &amp;&amp; (fluid_voice_get_id(voice) != synth-&gt;noteid)) {
    2604. 

  2604. <a name="l02600"></a>02600       fluid_voice_noteoff(voice);
    2605. 

  2605. <a name="l02601"></a>02601     }
    2606. 

  2606. <a name="l02602"></a>02602   }
    2607. 

  2607. <a name="l02603"></a>02603 }
    2608. 

  2608. <a name="l02604"></a>02604 
    2609. 

  2609. <a name="l02605"></a>02605 <span class="comment">/* Purpose:</span>
    2610. 

  2610. <a name="l02606"></a>02606 <span class="comment"> * Sets the interpolation method to use on channel chan.</span>
    2611. 

  2611. <a name="l02607"></a>02607 <span class="comment"> * If chan is &lt; 0, then set the interpolation method on all channels.</span>
    2612. 

  2612. <a name="l02608"></a>02608 <span class="comment"> */</span>
    2613. 

  2613. <a name="l02609"></a>02609 <span class="keywordtype">int</span> fluid_synth_set_interp_method(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> interp_method){
    2614. 

  2614. <a name="l02610"></a>02610   <span class="keywordtype">int</span> i;
    2615. 

  2615. <a name="l02611"></a>02611   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;midi_channels; i++) {
    2616. 

  2616. <a name="l02612"></a>02612     <span class="keywordflow">if</span> (synth-&gt;channel[i] == NULL){
    2617. 

  2617. <a name="l02613"></a>02613       FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9ebc0ff48d192b3b0fc721946ccf095d25" title="Serious error occurred.">FLUID_ERR</a>, <span class="stringliteral">"Channels don't exist (yet)!"</span>);
    2618. 

  2618. <a name="l02614"></a>02614       <span class="keywordflow">return</span> FLUID_FAILED;
    2619. 

  2619. <a name="l02615"></a>02615     };
    2620. 

  2620. <a name="l02616"></a>02616     <span class="keywordflow">if</span> (chan &lt; 0 || fluid_channel_get_num(synth-&gt;channel[i]) == chan){
    2621. 

  2621. <a name="l02617"></a>02617       fluid_channel_set_interp_method(synth-&gt;channel[i], interp_method);
    2622. 

  2622. <a name="l02618"></a>02618     };
    2623. 

  2623. <a name="l02619"></a>02619   };
    2624. 

  2624. <a name="l02620"></a>02620   <span class="keywordflow">return</span> FLUID_OK;
    2625. 

  2625. <a name="l02621"></a>02621 };
    2626. 

  2626. <a name="l02622"></a>02622 
    2627. 

  2627. <a name="l02623"></a>02623 <span class="comment">/* Purpose:</span>
    2628. 

  2628. <a name="l02624"></a>02624 <span class="comment"> * Returns the number of allocated midi channels</span>
    2629. 

  2629. <a name="l02625"></a>02625 <span class="comment"> */</span>
    2630. 

  2630. <a name="l02626"></a>02626 <span class="keywordtype">int</span>
    2631. 

  2631. <a name="l02627"></a>02627 fluid_synth_count_midi_channels(fluid_synth_t* synth)
    2632. 

  2632. <a name="l02628"></a>02628 {
    2633. 

  2633. <a name="l02629"></a>02629   <span class="keywordflow">return</span> synth-&gt;midi_channels;
    2634. 

  2634. <a name="l02630"></a>02630 }
    2635. 

  2635. <a name="l02631"></a>02631 
    2636. 

  2636. <a name="l02632"></a>02632 <span class="comment">/* Purpose:</span>
    2637. 

  2637. <a name="l02633"></a>02633 <span class="comment"> * Returns the number of allocated audio channels</span>
    2638. 

  2638. <a name="l02634"></a>02634 <span class="comment"> */</span>
    2639. 

  2639. <a name="l02635"></a>02635 <span class="keywordtype">int</span>
    2640. 

  2640. <a name="l02636"></a>02636 fluid_synth_count_audio_channels(fluid_synth_t* synth)
    2641. 

  2641. <a name="l02637"></a>02637 {
    2642. 

  2642. <a name="l02638"></a>02638   <span class="keywordflow">return</span> synth-&gt;audio_channels;
    2643. 

  2643. <a name="l02639"></a>02639 }
    2644. 

  2644. <a name="l02640"></a>02640 
    2645. 

  2645. <a name="l02641"></a>02641 <span class="comment">/* Purpose:</span>
    2646. 

  2646. <a name="l02642"></a>02642 <span class="comment"> * Returns the number of allocated audio channels</span>
    2647. 

  2647. <a name="l02643"></a>02643 <span class="comment"> */</span>
    2648. 

  2648. <a name="l02644"></a>02644 <span class="keywordtype">int</span>
    2649. 

  2649. <a name="l02645"></a>02645 fluid_synth_count_audio_groups(fluid_synth_t* synth)
    2650. 

  2650. <a name="l02646"></a>02646 {
    2651. 

  2651. <a name="l02647"></a>02647   <span class="keywordflow">return</span> synth-&gt;audio_groups;
    2652. 

  2652. <a name="l02648"></a>02648 }
    2653. 

  2653. <a name="l02649"></a>02649 
    2654. 

  2654. <a name="l02650"></a>02650 <span class="comment">/* Purpose:</span>
    2655. 

  2655. <a name="l02651"></a>02651 <span class="comment"> * Returns the number of allocated effects channels</span>
    2656. 

  2656. <a name="l02652"></a>02652 <span class="comment"> */</span>
    2657. 

  2657. <a name="l02653"></a>02653 <span class="keywordtype">int</span>
    2658. 

  2658. <a name="l02654"></a>02654 fluid_synth_count_effects_channels(fluid_synth_t* synth)
    2659. 

  2659. <a name="l02655"></a>02655 {
    2660. 

  2660. <a name="l02656"></a>02656   <span class="keywordflow">return</span> synth-&gt;effects_channels;
    2661. 

  2661. <a name="l02657"></a>02657 }
    2662. 

  2662. <a name="l02658"></a>02658 
    2663. 

  2663. <a name="l02659"></a>02659 <span class="keywordtype">double</span> fluid_synth_get_cpu_load(fluid_synth_t* synth)
    2664. 

  2664. <a name="l02660"></a>02660 {
    2665. 

  2665. <a name="l02661"></a>02661   <span class="keywordflow">return</span> synth-&gt;cpu_load;
    2666. 

  2666. <a name="l02662"></a>02662 }
    2667. 

  2667. <a name="l02663"></a>02663 
    2668. 

  2668. <a name="l02664"></a>02664 <span class="keyword">static</span> fluid_tuning_t*
    2669. 

  2669. <a name="l02665"></a>02665 fluid_synth_get_tuning(fluid_synth_t* synth, <span class="keywordtype">int</span> bank, <span class="keywordtype">int</span> prog)
    2670. 

  2670. <a name="l02666"></a>02666 {
    2671. 

  2671. <a name="l02667"></a>02667   <span class="keywordflow">if</span> ((bank &lt; 0) || (bank &gt;= 128)) {
    2672. 

  2672. <a name="l02668"></a>02668     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Bank number out of range"</span>);
    2673. 

  2673. <a name="l02669"></a>02669     <span class="keywordflow">return</span> NULL;
    2674. 

  2674. <a name="l02670"></a>02670   }
    2675. 

  2675. <a name="l02671"></a>02671   <span class="keywordflow">if</span> ((prog &lt; 0) || (prog &gt;= 128)) {
    2676. 

  2676. <a name="l02672"></a>02672     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Program number out of range"</span>);
    2677. 

  2677. <a name="l02673"></a>02673     <span class="keywordflow">return</span> NULL;
    2678. 

  2678. <a name="l02674"></a>02674   }
    2679. 

  2679. <a name="l02675"></a>02675   <span class="keywordflow">if</span> ((synth-&gt;tuning == NULL) ||
    2680. 

  2680. <a name="l02676"></a>02676       (synth-&gt;tuning[bank] == NULL) ||
    2681. 

  2681. <a name="l02677"></a>02677       (synth-&gt;tuning[bank][prog] == NULL)) {
    2682. 

  2682. <a name="l02678"></a>02678     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"No tuning at bank %d, prog %d"</span>, bank, prog);
    2683. 

  2683. <a name="l02679"></a>02679     <span class="keywordflow">return</span> NULL;
    2684. 

  2684. <a name="l02680"></a>02680   }
    2685. 

  2685. <a name="l02681"></a>02681   <span class="keywordflow">return</span> synth-&gt;tuning[bank][prog];
    2686. 

  2686. <a name="l02682"></a>02682 }
    2687. 

  2687. <a name="l02683"></a>02683 
    2688. 

  2688. <a name="l02684"></a>02684 <span class="keyword">static</span> fluid_tuning_t*
    2689. 

  2689. <a name="l02685"></a>02685 fluid_synth_create_tuning(fluid_synth_t* synth, <span class="keywordtype">int</span> bank, <span class="keywordtype">int</span> prog, <span class="keywordtype">char</span>* name)
    2690. 

  2690. <a name="l02686"></a>02686 {
    2691. 

  2691. <a name="l02687"></a>02687   <span class="keywordflow">if</span> ((bank &lt; 0) || (bank &gt;= 128)) {
    2692. 

  2692. <a name="l02688"></a>02688     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Bank number out of range"</span>);
    2693. 

  2693. <a name="l02689"></a>02689     <span class="keywordflow">return</span> NULL;
    2694. 

  2694. <a name="l02690"></a>02690   }
    2695. 

  2695. <a name="l02691"></a>02691   <span class="keywordflow">if</span> ((prog &lt; 0) || (prog &gt;= 128)) {
    2696. 

  2696. <a name="l02692"></a>02692     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Program number out of range"</span>);
    2697. 

  2697. <a name="l02693"></a>02693     <span class="keywordflow">return</span> NULL;
    2698. 

  2698. <a name="l02694"></a>02694   }
    2699. 

  2699. <a name="l02695"></a>02695   <span class="keywordflow">if</span> (synth-&gt;tuning == NULL) {
    2700. 

  2700. <a name="l02696"></a>02696     synth-&gt;tuning = FLUID_ARRAY(fluid_tuning_t**, 128);
    2701. 

  2701. <a name="l02697"></a>02697     <span class="keywordflow">if</span> (synth-&gt;tuning == NULL) {
    2702. 

  2702. <a name="l02698"></a>02698       FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e62d9ddd89d0a853606ce38d195daa99a" title="The synth can&amp;#39;t function correctly any more.">FLUID_PANIC</a>, <span class="stringliteral">"Out of memory"</span>);
    2703. 

  2703. <a name="l02699"></a>02699       <span class="keywordflow">return</span> NULL;
    2704. 

  2704. <a name="l02700"></a>02700     }
    2705. 

  2705. <a name="l02701"></a>02701     FLUID_MEMSET(synth-&gt;tuning, 0, 128 * <span class="keyword">sizeof</span>(fluid_tuning_t**));
    2706. 

  2706. <a name="l02702"></a>02702   }
    2707. 

  2707. <a name="l02703"></a>02703 
    2708. 

  2708. <a name="l02704"></a>02704   <span class="keywordflow">if</span> (synth-&gt;tuning[bank] == NULL) {
    2709. 

  2709. <a name="l02705"></a>02705     synth-&gt;tuning[bank] = FLUID_ARRAY(fluid_tuning_t*, 128);
    2710. 

  2710. <a name="l02706"></a>02706     <span class="keywordflow">if</span> (synth-&gt;tuning[bank] == NULL) {
    2711. 

  2711. <a name="l02707"></a>02707       FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e62d9ddd89d0a853606ce38d195daa99a" title="The synth can&amp;#39;t function correctly any more.">FLUID_PANIC</a>, <span class="stringliteral">"Out of memory"</span>);
    2712. 

  2712. <a name="l02708"></a>02708       <span class="keywordflow">return</span> NULL;
    2713. 

  2713. <a name="l02709"></a>02709     }
    2714. 

  2714. <a name="l02710"></a>02710     FLUID_MEMSET(synth-&gt;tuning[bank], 0, 128 * <span class="keyword">sizeof</span>(fluid_tuning_t*));
    2715. 

  2715. <a name="l02711"></a>02711   }
    2716. 

  2716. <a name="l02712"></a>02712 
    2717. 

  2717. <a name="l02713"></a>02713   <span class="keywordflow">if</span> (synth-&gt;tuning[bank][prog] == NULL) {
    2718. 

  2718. <a name="l02714"></a>02714     synth-&gt;tuning[bank][prog] = new_fluid_tuning(name, bank, prog);
    2719. 

  2719. <a name="l02715"></a>02715     <span class="keywordflow">if</span> (synth-&gt;tuning[bank][prog] == NULL) {
    2720. 

  2720. <a name="l02716"></a>02716       <span class="keywordflow">return</span> NULL;
    2721. 

  2721. <a name="l02717"></a>02717     }
    2722. 

  2722. <a name="l02718"></a>02718   }
    2723. 

  2723. <a name="l02719"></a>02719 
    2724. 

  2724. <a name="l02720"></a>02720   <span class="keywordflow">if</span> ((fluid_tuning_get_name(synth-&gt;tuning[bank][prog]) == NULL)
    2725. 

  2725. <a name="l02721"></a>02721       || (FLUID_STRCMP(fluid_tuning_get_name(synth-&gt;tuning[bank][prog]), name) != 0)) {
    2726. 

  2726. <a name="l02722"></a>02722     fluid_tuning_set_name(synth-&gt;tuning[bank][prog], name);
    2727. 

  2727. <a name="l02723"></a>02723   }
    2728. 

  2728. <a name="l02724"></a>02724 
    2729. 

  2729. <a name="l02725"></a>02725   <span class="keywordflow">return</span> synth-&gt;tuning[bank][prog];
    2730. 

  2730. <a name="l02726"></a>02726 }
    2731. 

  2731. <a name="l02727"></a>02727 
    2732. 

  2732. <a name="l02728"></a>02728 <span class="keywordtype">int</span> fluid_synth_create_key_tuning(fluid_synth_t* synth,
    2733. 

  2733. <a name="l02729"></a>02729                                  <span class="keywordtype">int</span> bank, <span class="keywordtype">int</span> prog,
    2734. 

  2734. <a name="l02730"></a>02730                                  <span class="keywordtype">char</span>* name, <span class="keywordtype">double</span>* pitch)
    2735. 

  2735. <a name="l02731"></a>02731 {
    2736. 

  2736. <a name="l02732"></a>02732   fluid_tuning_t* tuning = fluid_synth_create_tuning(synth, bank, prog, name);
    2737. 

  2737. <a name="l02733"></a>02733   <span class="keywordflow">if</span> (tuning == NULL) {
    2738. 

  2738. <a name="l02734"></a>02734     <span class="keywordflow">return</span> FLUID_FAILED;
    2739. 

  2739. <a name="l02735"></a>02735   }
    2740. 

  2740. <a name="l02736"></a>02736   <span class="keywordflow">if</span> (pitch) {
    2741. 

  2741. <a name="l02737"></a>02737     fluid_tuning_set_all(tuning, pitch);
    2742. 

  2742. <a name="l02738"></a>02738   }
    2743. 

  2743. <a name="l02739"></a>02739   <span class="keywordflow">return</span> FLUID_OK;
    2744. 

  2744. <a name="l02740"></a>02740 }
    2745. 

  2745. <a name="l02741"></a>02741 
    2746. 

  2746. <a name="l02742"></a>02742 
    2747. 

  2747. <a name="l02743"></a>02743 <span class="keywordtype">int</span> fluid_synth_create_octave_tuning(fluid_synth_t* synth,
    2748. 

  2748. <a name="l02744"></a>02744                                     <span class="keywordtype">int</span> bank, <span class="keywordtype">int</span> prog,
    2749. 

  2749. <a name="l02745"></a>02745                                     <span class="keywordtype">char</span>* name, <span class="keywordtype">double</span>* pitch)
    2750. 

  2750. <a name="l02746"></a>02746 {
    2751. 

  2751. <a name="l02747"></a>02747   fluid_tuning_t* tuning = fluid_synth_create_tuning(synth, bank, prog, name);
    2752. 

  2752. <a name="l02748"></a>02748   <span class="keywordflow">if</span> (tuning == NULL) {
    2753. 

  2753. <a name="l02749"></a>02749     <span class="keywordflow">return</span> FLUID_FAILED;
    2754. 

  2754. <a name="l02750"></a>02750   }
    2755. 

  2755. <a name="l02751"></a>02751   fluid_tuning_set_octave(tuning, pitch);
    2756. 

  2756. <a name="l02752"></a>02752   <span class="keywordflow">return</span> FLUID_OK;
    2757. 

  2757. <a name="l02753"></a>02753 }
    2758. 

  2758. <a name="l02754"></a>02754 
    2759. 

  2759. <a name="l02755"></a>02755 <span class="keywordtype">int</span> fluid_synth_tune_notes(fluid_synth_t* synth, <span class="keywordtype">int</span> bank, <span class="keywordtype">int</span> prog,
    2760. 

  2760. <a name="l02756"></a>02756                           <span class="keywordtype">int</span> len, <span class="keywordtype">int</span> *key, <span class="keywordtype">double</span>* pitch, <span class="keywordtype">int</span> apply)
    2761. 

  2761. <a name="l02757"></a>02757 {
    2762. 

  2762. <a name="l02758"></a>02758   fluid_tuning_t* tuning = fluid_synth_get_tuning(synth, bank, prog);
    2763. 

  2763. <a name="l02759"></a>02759   <span class="keywordtype">int</span> i;
    2764. 

  2764. <a name="l02760"></a>02760 
    2765. 

  2765. <a name="l02761"></a>02761   <span class="keywordflow">if</span> (tuning == NULL) {
    2766. 

  2766. <a name="l02762"></a>02762     <span class="keywordflow">return</span> FLUID_FAILED;
    2767. 

  2767. <a name="l02763"></a>02763   }
    2768. 

  2768. <a name="l02764"></a>02764 
    2769. 

  2769. <a name="l02765"></a>02765   <span class="keywordflow">for</span> (i = 0; i &lt; len; i++) {
    2770. 

  2770. <a name="l02766"></a>02766     fluid_tuning_set_pitch(tuning, key[i], pitch[i]);
    2771. 

  2771. <a name="l02767"></a>02767   }
    2772. 

  2772. <a name="l02768"></a>02768 
    2773. 

  2773. <a name="l02769"></a>02769   <span class="keywordflow">return</span> FLUID_OK;
    2774. 

  2774. <a name="l02770"></a>02770 }
    2775. 

  2775. <a name="l02771"></a>02771 
    2776. 

  2776. <a name="l02772"></a>02772 <span class="keywordtype">int</span> fluid_synth_select_tuning(fluid_synth_t* synth, <span class="keywordtype">int</span> chan,
    2777. 

  2777. <a name="l02773"></a>02773                              <span class="keywordtype">int</span> bank, <span class="keywordtype">int</span> prog)
    2778. 

  2778. <a name="l02774"></a>02774 {
    2779. 

  2779. <a name="l02775"></a>02775   fluid_tuning_t* tuning = fluid_synth_get_tuning(synth, bank, prog);
    2780. 

  2780. <a name="l02776"></a>02776 
    2781. 

  2781. <a name="l02777"></a>02777   <span class="keywordflow">if</span> (tuning == NULL) {
    2782. 

  2782. <a name="l02778"></a>02778     <span class="keywordflow">return</span> FLUID_FAILED;
    2783. 

  2783. <a name="l02779"></a>02779   }
    2784. 

  2784. <a name="l02780"></a>02780   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    2785. 

  2785. <a name="l02781"></a>02781     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    2786. 

  2786. <a name="l02782"></a>02782     <span class="keywordflow">return</span> FLUID_FAILED;
    2787. 

  2787. <a name="l02783"></a>02783   }
    2788. 

  2788. <a name="l02784"></a>02784 
    2789. 

  2789. <a name="l02785"></a>02785   fluid_channel_set_tuning(synth-&gt;channel[chan], synth-&gt;tuning[bank][prog]);
    2790. 

  2790. <a name="l02786"></a>02786 
    2791. 

  2791. <a name="l02787"></a>02787   <span class="keywordflow">return</span> FLUID_OK;
    2792. 

  2792. <a name="l02788"></a>02788 }
    2793. 

  2793. <a name="l02789"></a>02789 
    2794. 

  2794. <a name="l02790"></a>02790 <span class="keywordtype">int</span> fluid_synth_reset_tuning(fluid_synth_t* synth, <span class="keywordtype">int</span> chan)
    2795. 

  2795. <a name="l02791"></a>02791 {
    2796. 

  2796. <a name="l02792"></a>02792   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    2797. 

  2797. <a name="l02793"></a>02793     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    2798. 

  2798. <a name="l02794"></a>02794     <span class="keywordflow">return</span> FLUID_FAILED;
    2799. 

  2799. <a name="l02795"></a>02795   }
    2800. 

  2800. <a name="l02796"></a>02796 
    2801. 

  2801. <a name="l02797"></a>02797   fluid_channel_set_tuning(synth-&gt;channel[chan], NULL);
    2802. 

  2802. <a name="l02798"></a>02798 
    2803. 

  2803. <a name="l02799"></a>02799   <span class="keywordflow">return</span> FLUID_OK;
    2804. 

  2804. <a name="l02800"></a>02800 }
    2805. 

  2805. <a name="l02801"></a>02801 
    2806. 

  2806. <a name="l02802"></a>02802 <span class="keywordtype">void</span> fluid_synth_tuning_iteration_start(fluid_synth_t* synth)
    2807. 

  2807. <a name="l02803"></a>02803 {
    2808. 

  2808. <a name="l02804"></a>02804   synth-&gt;cur_tuning = NULL;
    2809. 

  2809. <a name="l02805"></a>02805 }
    2810. 

  2810. <a name="l02806"></a>02806 
    2811. 

  2811. <a name="l02807"></a>02807 <span class="keywordtype">int</span> fluid_synth_tuning_iteration_next(fluid_synth_t* synth, <span class="keywordtype">int</span>* bank, <span class="keywordtype">int</span>* prog)
    2812. 

  2812. <a name="l02808"></a>02808 {
    2813. 

  2813. <a name="l02809"></a>02809   <span class="keywordtype">int</span> b = 0, p = 0;
    2814. 

  2814. <a name="l02810"></a>02810 
    2815. 

  2815. <a name="l02811"></a>02811   <span class="keywordflow">if</span> (synth-&gt;tuning == NULL) {
    2816. 

  2816. <a name="l02812"></a>02812     <span class="keywordflow">return</span> 0;
    2817. 

  2817. <a name="l02813"></a>02813   }
    2818. 

  2818. <a name="l02814"></a>02814 
    2819. 

  2819. <a name="l02815"></a>02815   <span class="keywordflow">if</span> (synth-&gt;cur_tuning != NULL) {
    2820. 

  2820. <a name="l02816"></a>02816     <span class="comment">/* get the next program number */</span>
    2821. 

  2821. <a name="l02817"></a>02817     b = fluid_tuning_get_bank(synth-&gt;cur_tuning);
    2822. 

  2822. <a name="l02818"></a>02818     p = 1 + fluid_tuning_get_prog(synth-&gt;cur_tuning);
    2823. 

  2823. <a name="l02819"></a>02819     <span class="keywordflow">if</span> (p &gt;= 128) {
    2824. 

  2824. <a name="l02820"></a>02820       p = 0;
    2825. 

  2825. <a name="l02821"></a>02821       b++;
    2826. 

  2826. <a name="l02822"></a>02822     }
    2827. 

  2827. <a name="l02823"></a>02823   }
    2828. 

  2828. <a name="l02824"></a>02824 
    2829. 

  2829. <a name="l02825"></a>02825   <span class="keywordflow">while</span> (b &lt; 128) {
    2830. 

  2830. <a name="l02826"></a>02826     <span class="keywordflow">if</span> (synth-&gt;tuning[b] != NULL) {
    2831. 

  2831. <a name="l02827"></a>02827       <span class="keywordflow">while</span> (p &lt; 128) {
    2832. 

  2832. <a name="l02828"></a>02828         <span class="keywordflow">if</span> (synth-&gt;tuning[b][p] != NULL) {
    2833. 

  2833. <a name="l02829"></a>02829           synth-&gt;cur_tuning = synth-&gt;tuning[b][p];
    2834. 

  2834. <a name="l02830"></a>02830           *bank = b;
    2835. 

  2835. <a name="l02831"></a>02831           *prog = p;
    2836. 

  2836. <a name="l02832"></a>02832           <span class="keywordflow">return</span> 1;
    2837. 

  2837. <a name="l02833"></a>02833         }
    2838. 

  2838. <a name="l02834"></a>02834         p++;
    2839. 

  2839. <a name="l02835"></a>02835       }
    2840. 

  2840. <a name="l02836"></a>02836     }
    2841. 

  2841. <a name="l02837"></a>02837     p = 0;
    2842. 

  2842. <a name="l02838"></a>02838     b++;
    2843. 

  2843. <a name="l02839"></a>02839   }
    2844. 

  2844. <a name="l02840"></a>02840 
    2845. 

  2845. <a name="l02841"></a>02841   <span class="keywordflow">return</span> 0;
    2846. 

  2846. <a name="l02842"></a>02842 }
    2847. 

  2847. <a name="l02843"></a>02843 
    2848. 

  2848. <a name="l02844"></a>02844 <span class="keywordtype">int</span> fluid_synth_tuning_dump(fluid_synth_t* synth, <span class="keywordtype">int</span> bank, <span class="keywordtype">int</span> prog,
    2849. 

  2849. <a name="l02845"></a>02845                            <span class="keywordtype">char</span>* name, <span class="keywordtype">int</span> len, <span class="keywordtype">double</span>* pitch)
    2850. 

  2850. <a name="l02846"></a>02846 {
    2851. 

  2851. <a name="l02847"></a>02847   fluid_tuning_t* tuning = fluid_synth_get_tuning(synth, bank, prog);
    2852. 

  2852. <a name="l02848"></a>02848 
    2853. 

  2853. <a name="l02849"></a>02849   <span class="keywordflow">if</span> (tuning == NULL) {
    2854. 

  2854. <a name="l02850"></a>02850     <span class="keywordflow">return</span> FLUID_FAILED;
    2855. 

  2855. <a name="l02851"></a>02851   }
    2856. 

  2856. <a name="l02852"></a>02852 
    2857. 

  2857. <a name="l02853"></a>02853   <span class="keywordflow">if</span> (name) {
    2858. 

  2858. <a name="l02854"></a>02854     snprintf(name, len - 1, <span class="stringliteral">"%s"</span>, fluid_tuning_get_name(tuning));
    2859. 

  2859. <a name="l02855"></a>02855     name[len - 1] = 0;  <span class="comment">/* make sure the string is null terminated */</span>
    2860. 

  2860. <a name="l02856"></a>02856   }
    2861. 

  2861. <a name="l02857"></a>02857   <span class="keywordflow">if</span> (pitch) {
    2862. 

  2862. <a name="l02858"></a>02858     FLUID_MEMCPY(pitch, fluid_tuning_get_all(tuning), 128 * <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));
    2863. 

  2863. <a name="l02859"></a>02859   }
    2864. 

  2864. <a name="l02860"></a>02860 
    2865. 

  2865. <a name="l02861"></a>02861   <span class="keywordflow">return</span> FLUID_OK;
    2866. 

  2866. <a name="l02862"></a>02862 }
    2867. 

  2867. <a name="l02863"></a>02863 
    2868. 

  2868. <a name="l02864"></a>02864 fluid_settings_t* fluid_synth_get_settings(fluid_synth_t* synth)
    2869. 

  2869. <a name="l02865"></a>02865 {
    2870. 

  2870. <a name="l02866"></a>02866   <span class="keywordflow">return</span> synth-&gt;settings;
    2871. 

  2871. <a name="l02867"></a>02867 }
    2872. 

  2872. <a name="l02868"></a>02868 
    2873. 

  2873. <a name="l02869"></a>02869 <span class="keywordtype">int</span> fluid_synth_setstr(fluid_synth_t* synth, <span class="keywordtype">char</span>* name, <span class="keywordtype">char</span>* str)
    2874. 

  2874. <a name="l02870"></a>02870 {
    2875. 

  2875. <a name="l02871"></a>02871   <span class="keywordflow">return</span> fluid_settings_setstr(synth-&gt;settings, name, str);
    2876. 

  2876. <a name="l02872"></a>02872 }
    2877. 

  2877. <a name="l02873"></a>02873 
    2878. 

  2878. <a name="l02874"></a>02874 <span class="keywordtype">int</span> fluid_synth_getstr(fluid_synth_t* synth, <span class="keywordtype">char</span>* name, <span class="keywordtype">char</span>** str)
    2879. 

  2879. <a name="l02875"></a>02875 {
    2880. 

  2880. <a name="l02876"></a>02876   <span class="keywordflow">return</span> fluid_settings_getstr(synth-&gt;settings, name, str);
    2881. 

  2881. <a name="l02877"></a>02877 }
    2882. 

  2882. <a name="l02878"></a>02878 
    2883. 

  2883. <a name="l02879"></a>02879 <span class="keywordtype">int</span> fluid_synth_setnum(fluid_synth_t* synth, <span class="keywordtype">char</span>* name, <span class="keywordtype">double</span> val)
    2884. 

  2884. <a name="l02880"></a>02880 {
    2885. 

  2885. <a name="l02881"></a>02881   <span class="keywordflow">return</span> fluid_settings_setnum(synth-&gt;settings, name, val);
    2886. 

  2886. <a name="l02882"></a>02882 }
    2887. 

  2887. <a name="l02883"></a>02883 
    2888. 

  2888. <a name="l02884"></a>02884 <span class="keywordtype">int</span> fluid_synth_getnum(fluid_synth_t* synth, <span class="keywordtype">char</span>* name, <span class="keywordtype">double</span>* val)
    2889. 

  2889. <a name="l02885"></a>02885 {
    2890. 

  2890. <a name="l02886"></a>02886   <span class="keywordflow">return</span> fluid_settings_getnum(synth-&gt;settings, name, val);
    2891. 

  2891. <a name="l02887"></a>02887 }
    2892. 

  2892. <a name="l02888"></a>02888 
    2893. 

  2893. <a name="l02889"></a>02889 <span class="keywordtype">int</span> fluid_synth_setint(fluid_synth_t* synth, <span class="keywordtype">char</span>* name, <span class="keywordtype">int</span> val)
    2894. 

  2894. <a name="l02890"></a>02890 {
    2895. 

  2895. <a name="l02891"></a>02891   <span class="keywordflow">return</span> fluid_settings_setint(synth-&gt;settings, name, val);
    2896. 

  2896. <a name="l02892"></a>02892 }
    2897. 

  2897. <a name="l02893"></a>02893 
    2898. 

  2898. <a name="l02894"></a>02894 <span class="keywordtype">int</span> fluid_synth_getint(fluid_synth_t* synth, <span class="keywordtype">char</span>* name, <span class="keywordtype">int</span>* val)
    2899. 

  2899. <a name="l02895"></a>02895 {
    2900. 

  2900. <a name="l02896"></a>02896   <span class="keywordflow">return</span> fluid_settings_getint(synth-&gt;settings, name, val);
    2901. 

  2901. <a name="l02897"></a>02897 }
    2902. 

  2902. <a name="l02898"></a>02898 
    2903. 

  2903. <a name="l02899"></a>02899 <span class="keywordtype">int</span>
    2904. 

  2904. <a name="l02900"></a>02900 fluid_synth_set_gen(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> param, <span class="keywordtype">float</span> value)
    2905. 

  2905. <a name="l02901"></a>02901 {
    2906. 

  2906. <a name="l02902"></a>02902   <span class="keywordtype">int</span> i;
    2907. 

  2907. <a name="l02903"></a>02903   fluid_voice_t* voice;
    2908. 

  2908. <a name="l02904"></a>02904 
    2909. 

  2909. <a name="l02905"></a>02905   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    2910. 

  2910. <a name="l02906"></a>02906     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    2911. 

  2911. <a name="l02907"></a>02907     <span class="keywordflow">return</span> FLUID_FAILED;
    2912. 

  2912. <a name="l02908"></a>02908   }
    2913. 

  2913. <a name="l02909"></a>02909 
    2914. 

  2914. <a name="l02910"></a>02910   <span class="keywordflow">if</span> ((param &lt; 0) || (param &gt;= <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b49c372c341b7b1a718f0016f40c615cf3" title="Value defines the count of generators (fluid_gen_type).">GEN_LAST</a>)) {
    2915. 

  2915. <a name="l02911"></a>02911     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Parameter number out of range"</span>);
    2916. 

  2916. <a name="l02912"></a>02912     <span class="keywordflow">return</span> FLUID_FAILED;
    2917. 

  2917. <a name="l02913"></a>02913   }
    2918. 

  2918. <a name="l02914"></a>02914 
    2919. 

  2919. <a name="l02915"></a>02915   fluid_channel_set_gen(synth-&gt;channel[chan], param, value, 0);
    2920. 

  2920. <a name="l02916"></a>02916 
    2921. 

  2921. <a name="l02917"></a>02917   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    2922. 

  2922. <a name="l02918"></a>02918     voice = synth-&gt;voice[i];
    2923. 

  2923. <a name="l02919"></a>02919     <span class="keywordflow">if</span> (voice-&gt;chan == chan) {
    2924. 

  2924. <a name="l02920"></a>02920       fluid_voice_set_param(voice, param, value, 0);
    2925. 

  2925. <a name="l02921"></a>02921     }
    2926. 

  2926. <a name="l02922"></a>02922   }
    2927. 

  2927. <a name="l02923"></a>02923 
    2928. 

  2928. <a name="l02924"></a>02924   <span class="keywordflow">return</span> FLUID_OK;
    2929. 

  2929. <a name="l02925"></a>02925 }
    2930. 

  2930. <a name="l02926"></a>02926 
    2931. 

  2931. <a name="l02950"></a>02950 <span class="keywordtype">int</span>
    2932. 

  2932. <a name="l02951"></a>02951 fluid_synth_set_gen2(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> param,
    2933. 

  2933. <a name="l02952"></a>02952                      <span class="keywordtype">float</span> value, <span class="keywordtype">int</span> absolute, <span class="keywordtype">int</span> normalized)
    2934. 

  2934. <a name="l02953"></a>02953 {
    2935. 

  2935. <a name="l02954"></a>02954   <span class="keywordtype">int</span> i;
    2936. 

  2936. <a name="l02955"></a>02955   fluid_voice_t* voice;
    2937. 

  2937. <a name="l02956"></a>02956   <span class="keywordtype">float</span> v;
    2938. 

  2938. <a name="l02957"></a>02957 
    2939. 

  2939. <a name="l02958"></a>02958   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    2940. 

  2940. <a name="l02959"></a>02959     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    2941. 

  2941. <a name="l02960"></a>02960     <span class="keywordflow">return</span> FLUID_FAILED;
    2942. 

  2942. <a name="l02961"></a>02961   }
    2943. 

  2943. <a name="l02962"></a>02962 
    2944. 

  2944. <a name="l02963"></a>02963   <span class="keywordflow">if</span> ((param &lt; 0) || (param &gt;= <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b49c372c341b7b1a718f0016f40c615cf3" title="Value defines the count of generators (fluid_gen_type).">GEN_LAST</a>)) {
    2945. 

  2945. <a name="l02964"></a>02964     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Parameter number out of range"</span>);
    2946. 

  2946. <a name="l02965"></a>02965     <span class="keywordflow">return</span> FLUID_FAILED;
    2947. 

  2947. <a name="l02966"></a>02966   }
    2948. 

  2948. <a name="l02967"></a>02967 
    2949. 

  2949. <a name="l02968"></a>02968   v = (normalized)? fluid_gen_scale(param, value) : value;
    2950. 

  2950. <a name="l02969"></a>02969 
    2951. 

  2951. <a name="l02970"></a>02970   fluid_channel_set_gen(synth-&gt;channel[chan], param, v, absolute);
    2952. 

  2952. <a name="l02971"></a>02971 
    2953. 

  2953. <a name="l02972"></a>02972   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    2954. 

  2954. <a name="l02973"></a>02973     voice = synth-&gt;voice[i];
    2955. 

  2955. <a name="l02974"></a>02974     <span class="keywordflow">if</span> (voice-&gt;chan == chan) {
    2956. 

  2956. <a name="l02975"></a>02975       fluid_voice_set_param(voice, param, v, absolute);
    2957. 

  2957. <a name="l02976"></a>02976     }
    2958. 

  2958. <a name="l02977"></a>02977   }
    2959. 

  2959. <a name="l02978"></a>02978 
    2960. 

  2960. <a name="l02979"></a>02979   <span class="keywordflow">return</span> FLUID_OK;
    2961. 

  2961. <a name="l02980"></a>02980 }
    2962. 

  2962. <a name="l02981"></a>02981 
    2963. 

  2963. <a name="l02982"></a>02982 <span class="keywordtype">float</span> fluid_synth_get_gen(fluid_synth_t* synth, <span class="keywordtype">int</span> chan, <span class="keywordtype">int</span> param)
    2964. 

  2964. <a name="l02983"></a>02983 {
    2965. 

  2965. <a name="l02984"></a>02984   <span class="keywordflow">if</span> ((chan &lt; 0) || (chan &gt;= synth-&gt;midi_channels)) {
    2966. 

  2966. <a name="l02985"></a>02985     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    2967. 

  2967. <a name="l02986"></a>02986     <span class="keywordflow">return</span> 0.0;
    2968. 

  2968. <a name="l02987"></a>02987   }
    2969. 

  2969. <a name="l02988"></a>02988 
    2970. 

  2970. <a name="l02989"></a>02989   <span class="keywordflow">if</span> ((param &lt; 0) || (param &gt;= <a class="code" href="gen_8h.html#d17a24ae3b25f3b8cc5762f818eef9b49c372c341b7b1a718f0016f40c615cf3" title="Value defines the count of generators (fluid_gen_type).">GEN_LAST</a>)) {
    2971. 

  2971. <a name="l02990"></a>02990     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Parameter number out of range"</span>);
    2972. 

  2972. <a name="l02991"></a>02991     <span class="keywordflow">return</span> 0.0;
    2973. 

  2973. <a name="l02992"></a>02992   }
    2974. 

  2974. <a name="l02993"></a>02993 
    2975. 

  2975. <a name="l02994"></a>02994   <span class="keywordflow">return</span> fluid_channel_get_gen(synth-&gt;channel[chan], param);
    2976. 

  2976. <a name="l02995"></a>02995 }
    2977. 

  2977. <a name="l02996"></a>02996 
    2978. 

  2978. <a name="l02997"></a>02997 <span class="comment">/* The synth needs to know the router for the command line handlers (they only</span>
    2979. 

  2979. <a name="l02998"></a>02998 <span class="comment"> * supply the synth as argument)</span>
    2980. 

  2980. <a name="l02999"></a>02999 <span class="comment"> */</span>
    2981. 

  2981. <a name="l03000"></a>03000 <span class="keywordtype">void</span> fluid_synth_set_midi_router(fluid_synth_t* synth, fluid_midi_router_t* router){
    2982. 

  2982. <a name="l03001"></a>03001   synth-&gt;midi_router=router;
    2983. 

  2983. <a name="l03002"></a>03002 };
    2984. 

  2984. <a name="l03003"></a>03003 
    2985. 

  2985. <a name="l03004"></a>03004 <span class="comment">/* Purpose:</span>
    2986. 

  2986. <a name="l03005"></a>03005 <span class="comment"> * Any MIDI event from the MIDI router arrives here and is handed</span>
    2987. 

  2987. <a name="l03006"></a>03006 <span class="comment"> * to the appropriate function.</span>
    2988. 

  2988. <a name="l03007"></a>03007 <span class="comment"> */</span>
    2989. 

  2989. <a name="l03008"></a>03008 <span class="keywordtype">int</span> fluid_synth_handle_midi_event(<span class="keywordtype">void</span>* data, fluid_midi_event_t* event)
    2990. 

  2990. <a name="l03009"></a>03009 {
    2991. 

  2991. <a name="l03010"></a>03010   fluid_synth_t* synth = (fluid_synth_t*) data;
    2992. 

  2992. <a name="l03011"></a>03011   <span class="keywordtype">int</span> type = <a class="code" href="midi_8h.html#63c2b0009873e8a1761f3a3365b12244" title="Get the event type field of a MIDI event structure.">fluid_midi_event_get_type</a>(event);
    2993. 

  2993. <a name="l03012"></a>03012   <span class="keywordtype">int</span> chan = <a class="code" href="midi_8h.html#d6a5072d25f83834d41205d0c0806b9d" title="Get the channel field of a MIDI event structure.">fluid_midi_event_get_channel</a>(event);
    2994. 

  2994. <a name="l03013"></a>03013 
    2995. 

  2995. <a name="l03014"></a>03014   <span class="keywordflow">switch</span>(type) {
    2996. 

  2996. <a name="l03015"></a>03015       <span class="keywordflow">case</span> NOTE_ON:
    2997. 

  2997. <a name="l03016"></a>03016         <span class="keywordflow">return</span> fluid_synth_noteon(synth, chan,
    2998. 

  2998. <a name="l03017"></a>03017                                  <a class="code" href="midi_8h.html#2ed781f6bc77a94c80d5f33ba63f4b05" title="Get the key field of a MIDI event structure.">fluid_midi_event_get_key</a>(event),
    2999. 

  2999. <a name="l03018"></a>03018                                  <a class="code" href="midi_8h.html#6462c5c51d6cfa9c328417d2f1f4b6d5" title="Get the velocity field of a MIDI event structure.">fluid_midi_event_get_velocity</a>(event));
    3000. 

  3000. <a name="l03019"></a>03019 
    3001. 

  3001. <a name="l03020"></a>03020       <span class="keywordflow">case</span> NOTE_OFF:
    3002. 

  3002. <a name="l03021"></a>03021         <span class="keywordflow">return</span> fluid_synth_noteoff(synth, chan, <a class="code" href="midi_8h.html#2ed781f6bc77a94c80d5f33ba63f4b05" title="Get the key field of a MIDI event structure.">fluid_midi_event_get_key</a>(event));
    3003. 

  3003. <a name="l03022"></a>03022 
    3004. 

  3004. <a name="l03023"></a>03023       <span class="keywordflow">case</span> CONTROL_CHANGE:
    3005. 

  3005. <a name="l03024"></a>03024         <span class="keywordflow">return</span> fluid_synth_cc(synth, chan,
    3006. 

  3006. <a name="l03025"></a>03025                              <a class="code" href="midi_8h.html#4f50a77de21c9bfa7207617ef3ff3440" title="Get the control number of a MIDI event structure.">fluid_midi_event_get_control</a>(event),
    3007. 

  3007. <a name="l03026"></a>03026                              <a class="code" href="midi_8h.html#c0dfb3cc8be8571ecf2d2dd05b92a9b2" title="Get the value field from a MIDI event structure.">fluid_midi_event_get_value</a>(event));
    3008. 

  3008. <a name="l03027"></a>03027 
    3009. 

  3009. <a name="l03028"></a>03028       <span class="keywordflow">case</span> PROGRAM_CHANGE:
    3010. 

  3010. <a name="l03029"></a>03029         <span class="keywordflow">return</span> fluid_synth_program_change(synth, chan, <a class="code" href="midi_8h.html#49901971bb418efc14b2de5954b4b200" title="Get the program field of a MIDI event structure.">fluid_midi_event_get_program</a>(event));
    3011. 

  3011. <a name="l03030"></a>03030 
    3012. 

  3012. <a name="l03031"></a>03031       <span class="keywordflow">case</span> PITCH_BEND:
    3013. 

  3013. <a name="l03032"></a>03032         <span class="keywordflow">return</span> fluid_synth_pitch_bend(synth, chan, <a class="code" href="midi_8h.html#d1f10dd6f386f2a189b7389fd1fac169" title="Get the pitch field of a MIDI event structure.">fluid_midi_event_get_pitch</a>(event));
    3014. 

  3014. <a name="l03033"></a>03033 
    3015. 

  3015. <a name="l03034"></a>03034       <span class="keywordflow">case</span> MIDI_SYSTEM_RESET:
    3016. 

  3016. <a name="l03035"></a>03035         <span class="keywordflow">return</span> fluid_synth_system_reset(synth);
    3017. 

  3017. <a name="l03036"></a>03036   }
    3018. 

  3018. <a name="l03037"></a>03037   <span class="keywordflow">return</span> FLUID_FAILED;
    3019. 

  3019. <a name="l03038"></a>03038 }
    3020. 

  3020. <a name="l03039"></a>03039 
    3021. 

  3021. <a name="l03040"></a>03040 
    3022. 

  3022. <a name="l03041"></a>03041 <span class="keywordtype">int</span> fluid_synth_start(fluid_synth_t* synth, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <a class="code" href="struct__fluid__preset__t.html">fluid_preset_t</a>* preset,
    3023. 

  3023. <a name="l03042"></a>03042                       <span class="keywordtype">int</span> audio_chan, <span class="keywordtype">int</span> midi_chan, <span class="keywordtype">int</span> key, <span class="keywordtype">int</span> vel)
    3024. 

  3024. <a name="l03043"></a>03043 {
    3025. 

  3025. <a name="l03044"></a>03044   <span class="keywordtype">int</span> r;
    3026. 

  3026. <a name="l03045"></a>03045 
    3027. 

  3027. <a name="l03046"></a>03046   <span class="comment">/* check the ranges of the arguments */</span>
    3028. 

  3028. <a name="l03047"></a>03047   <span class="keywordflow">if</span> ((midi_chan &lt; 0) || (midi_chan &gt;= synth-&gt;midi_channels)) {
    3029. 

  3029. <a name="l03048"></a>03048     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Channel out of range"</span>);
    3030. 

  3030. <a name="l03049"></a>03049     <span class="keywordflow">return</span> FLUID_FAILED;
    3031. 

  3031. <a name="l03050"></a>03050   }
    3032. 

  3032. <a name="l03051"></a>03051 
    3033. 

  3033. <a name="l03052"></a>03052   <span class="keywordflow">if</span> ((key &lt; 0) || (key &gt;= 128)) {
    3034. 

  3034. <a name="l03053"></a>03053     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Key out of range"</span>);
    3035. 

  3035. <a name="l03054"></a>03054     <span class="keywordflow">return</span> FLUID_FAILED;
    3036. 

  3036. <a name="l03055"></a>03055   }
    3037. 

  3037. <a name="l03056"></a>03056 
    3038. 

  3038. <a name="l03057"></a>03057   <span class="keywordflow">if</span> ((vel &lt;= 0) || (vel &gt;= 128)) {
    3039. 

  3039. <a name="l03058"></a>03058     FLUID_LOG(<a class="code" href="log_8h.html#a341232c15addd9c336131984840ed9e394460be1ec74fce15e1ff683606df0f" title="Warning.">FLUID_WARN</a>, <span class="stringliteral">"Velocity out of range"</span>);
    3040. 

  3040. <a name="l03059"></a>03059     <span class="keywordflow">return</span> FLUID_FAILED;
    3041. 

  3041. <a name="l03060"></a>03060   }
    3042. 

  3042. <a name="l03061"></a>03061 
    3043. 

  3043. <a name="l03062"></a>03062   fluid_mutex_lock(synth-&gt;busy); <span class="comment">/* One at a time, please */</span>
    3044. 

  3044. <a name="l03063"></a>03063 
    3045. 

  3045. <a name="l03064"></a>03064   synth-&gt;storeid = id;
    3046. 

  3046. <a name="l03065"></a>03065   r = fluid_preset_noteon(preset, synth, midi_chan, key, vel);
    3047. 

  3047. <a name="l03066"></a>03066 
    3048. 

  3048. <a name="l03067"></a>03067   fluid_mutex_unlock(synth-&gt;busy);
    3049. 

  3049. <a name="l03068"></a>03068 
    3050. 

  3050. <a name="l03069"></a>03069   <span class="keywordflow">return</span> r;
    3051. 

  3051. <a name="l03070"></a>03070 }
    3052. 

  3052. <a name="l03071"></a>03071 
    3053. 

  3053. <a name="l03072"></a>03072 <span class="keywordtype">int</span> fluid_synth_stop(fluid_synth_t* synth, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span>)
    3054. 

  3054. <a name="l03073"></a>03073 {
    3055. 

  3055. <a name="l03074"></a>03074   <span class="keywordtype">int</span> i;
    3056. 

  3056. <a name="l03075"></a>03075   fluid_voice_t* voice;
    3057. 

  3057. <a name="l03076"></a>03076   <span class="keywordtype">int</span> status = FLUID_FAILED;
    3058. 

  3058. <a name="l03077"></a>03077   <span class="keywordtype">int</span> count = 0;
    3059. 

  3059. <a name="l03078"></a>03078 
    3060. 

  3060. <a name="l03079"></a>03079   <span class="keywordflow">for</span> (i = 0; i &lt; synth-&gt;polyphony; i++) {
    3061. 

  3061. <a name="l03080"></a>03080 
    3062. 

  3062. <a name="l03081"></a>03081     voice = synth-&gt;voice[i];
    3063. 

  3063. <a name="l03082"></a>03082 
    3064. 

  3064. <a name="l03083"></a>03083     <span class="keywordflow">if</span> (_ON(voice) &amp;&amp; (fluid_voice_get_id(voice) == <span class="keywordtype">id</span>)) {
    3065. 

  3065. <a name="l03084"></a>03084             count++;
    3066. 

  3066. <a name="l03085"></a>03085       fluid_voice_noteoff(voice);
    3067. 

  3067. <a name="l03086"></a>03086       status = FLUID_OK;
    3068. 

  3068. <a name="l03087"></a>03087     }
    3069. 

  3069. <a name="l03088"></a>03088   }
    3070. 

  3070. <a name="l03089"></a>03089 
    3071. 

  3071. <a name="l03090"></a>03090   <span class="keywordflow">return</span> status;
    3072. 

  3072. <a name="l03091"></a>03091 }
    3073. 

  3073. <a name="l03092"></a>03092 
    3074. 

  3074. <a name="l03093"></a>03093 fluid_bank_offset_t*
    3075. 

  3075. <a name="l03094"></a>03094 fluid_synth_get_bank_offset0(fluid_synth_t* synth, <span class="keywordtype">int</span> sfont_id)
    3076. 

  3076. <a name="l03095"></a>03095 {
    3077. 

  3077. <a name="l03096"></a>03096         fluid_list_t* list = synth-&gt;bank_offsets;
    3078. 

  3078. <a name="l03097"></a>03097         fluid_bank_offset_t* offset;
    3079. 

  3079. <a name="l03098"></a>03098 
    3080. 

  3080. <a name="l03099"></a>03099         <span class="keywordflow">while</span> (list) {
    3081. 

  3081. <a name="l03100"></a>03100 
    3082. 

  3082. <a name="l03101"></a>03101                 offset = (fluid_bank_offset_t*) fluid_list_get(list);
    3083. 

  3083. <a name="l03102"></a>03102                 <span class="keywordflow">if</span> (offset-&gt;sfont_id == sfont_id) {
    3084. 

  3084. <a name="l03103"></a>03103                         <span class="keywordflow">return</span> offset;
    3085. 

  3085. <a name="l03104"></a>03104                 }
    3086. 

  3086. <a name="l03105"></a>03105 
    3087. 

  3087. <a name="l03106"></a>03106                 list = fluid_list_next(list);
    3088. 

  3088. <a name="l03107"></a>03107         }
    3089. 

  3089. <a name="l03108"></a>03108 
    3090. 

  3090. <a name="l03109"></a>03109         <span class="keywordflow">return</span> NULL;
    3091. 

  3091. <a name="l03110"></a>03110 }
    3092. 

  3092. <a name="l03111"></a>03111 
    3093. 

  3093. <a name="l03112"></a>03112 <span class="keywordtype">int</span>
    3094. 

  3094. <a name="l03113"></a>03113 fluid_synth_set_bank_offset(fluid_synth_t* synth, <span class="keywordtype">int</span> sfont_id, <span class="keywordtype">int</span> offset)
    3095. 

  3095. <a name="l03114"></a>03114 {
    3096. 

  3096. <a name="l03115"></a>03115         fluid_bank_offset_t* bank_offset;
    3097. 

  3097. <a name="l03116"></a>03116 
    3098. 

  3098. <a name="l03117"></a>03117         bank_offset = fluid_synth_get_bank_offset0(synth, sfont_id);
    3099. 

  3099. <a name="l03118"></a>03118 
    3100. 

  3100. <a name="l03119"></a>03119         <span class="keywordflow">if</span> (bank_offset == NULL) {
    3101. 

  3101. <a name="l03120"></a>03120                 bank_offset = FLUID_NEW(fluid_bank_offset_t);
    3102. 

  3102. <a name="l03121"></a>03121                 <span class="keywordflow">if</span> (bank_offset == NULL) {
    3103. 

  3103. <a name="l03122"></a>03122                         <span class="keywordflow">return</span> -1;
    3104. 

  3104. <a name="l03123"></a>03123                 }
    3105. 

  3105. <a name="l03124"></a>03124                 bank_offset-&gt;sfont_id = sfont_id;
    3106. 

  3106. <a name="l03125"></a>03125                 bank_offset-&gt;offset = offset;
    3107. 

  3107. <a name="l03126"></a>03126                 synth-&gt;bank_offsets = fluid_list_prepend(synth-&gt;bank_offsets, bank_offset);
    3108. 

  3108. <a name="l03127"></a>03127         } <span class="keywordflow">else</span> {
    3109. 

  3109. <a name="l03128"></a>03128                 bank_offset-&gt;offset = offset;
    3110. 

  3110. <a name="l03129"></a>03129         }
    3111. 

  3111. <a name="l03130"></a>03130 
    3112. 

  3112. <a name="l03131"></a>03131         <span class="keywordflow">return</span> 0;
    3113. 

  3113. <a name="l03132"></a>03132 }
    3114. 

  3114. <a name="l03133"></a>03133 
    3115. 

  3115. <a name="l03134"></a>03134 <span class="keywordtype">int</span>
    3116. 

  3116. <a name="l03135"></a>03135 fluid_synth_get_bank_offset(fluid_synth_t* synth, <span class="keywordtype">int</span> sfont_id)
    3117. 

  3117. <a name="l03136"></a>03136 {
    3118. 

  3118. <a name="l03137"></a>03137         fluid_bank_offset_t* bank_offset;
    3119. 

  3119. <a name="l03138"></a>03138 
    3120. 

  3120. <a name="l03139"></a>03139         bank_offset = fluid_synth_get_bank_offset0(synth, sfont_id);
    3121. 

  3121. <a name="l03140"></a>03140         <span class="keywordflow">return</span> (bank_offset == NULL)? 0 : bank_offset-&gt;offset;
    3122. 

  3122. <a name="l03141"></a>03141 }
    3123. 

  3123. <a name="l03142"></a>03142 
    3124. 

  3124. <a name="l03143"></a>03143 <span class="keywordtype">void</span>
    3125. 

  3125. <a name="l03144"></a>03144 fluid_synth_remove_bank_offset(fluid_synth_t* synth, <span class="keywordtype">int</span> sfont_id)
    3126. 

  3126. <a name="l03145"></a>03145 {
    3127. 

  3127. <a name="l03146"></a>03146         fluid_bank_offset_t* bank_offset;
    3128. 

  3128. <a name="l03147"></a>03147 
    3129. 

  3129. <a name="l03148"></a>03148         bank_offset = fluid_synth_get_bank_offset0(synth, sfont_id);
    3130. 

  3130. <a name="l03149"></a>03149         <span class="keywordflow">if</span> (bank_offset != NULL) {
    3131. 

  3131. <a name="l03150"></a>03150                 synth-&gt;bank_offsets = fluid_list_remove(synth-&gt;bank_offsets, bank_offset);
    3132. 

  3132. <a name="l03151"></a>03151         }
    3133. 

  3133. <a name="l03152"></a>03152 }
    3134. 

  3134. </pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Sat Nov 17 13:40:23 2007 for libfluidsynth by&nbsp;
    3135. 

  3135. <a href="http://www.doxygen.org/index.html">
    3136. 

  3136. <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
    3137. 

  3137. </body>
    3138. 

  3138. </html>
    3139. 

  3139.