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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>libfluidsynth: sfont.h File Reference</title>
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<div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a></div>
<h1>sfont.h File Reference</h1>
<p>
<a href="sfont_8h-source.html">Go to the source code of this file.</a><table border=0 cellpadding=0 cellspacing=0>
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<tr><td colspan=2><br><h2>Data Structures</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="struct__fluid__sfloader__t.html">_fluid_sfloader_t</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="struct__fluid__sfont__t.html">_fluid_sfont_t</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="struct__fluid__preset__t.html">_fluid_preset_t</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="struct__fluid__sample__t.html">_fluid_sample_t</a></td></tr>
<tr><td colspan=2><br><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="sfont_8h.html#a0">fluid_sfont_get_id</a>(_sf) ((_sf)->id)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="sfont_8h.html#a1">fluid_sample_refcount</a>(_sample) ((_sample)->refcount)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="sfont_8h.html#a2">FLUID_SAMPLETYPE_MONO</a> 1</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sample types. <a href="#a2"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="sfont_8h.html#a3">FLUID_SAMPLETYPE_RIGHT</a> 2</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="sfont_8h.html#a4">FLUID_SAMPLETYPE_LEFT</a> 4</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="sfont_8h.html#a5">FLUID_SAMPLETYPE_LINKED</a> 8</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="sfont_8h.html#a6">FLUID_SAMPLETYPE_ROM</a> 0x8000</td></tr>
<tr><td colspan=2><br><h2>Enumerations</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>enum </td><td class="memItemRight" valign=bottom>{ <a class="el" href="sfont_8h.html#a10a7">FLUID_PRESET_SELECTED</a>,
<a class="el" href="sfont_8h.html#a10a8">FLUID_PRESET_UNSELECTED</a>,
<a class="el" href="sfont_8h.html#a10a9">FLUID_SAMPLE_DONE</a>
}</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">SoundFont plugins. <a href="#a10">More...</a><br><br></td></tr>
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<hr><h2>Define Documentation</h2>
<a class="anchor" name="a1" doxytag="sfont.h::fluid_sample_refcount" ></a><p>
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<td class="md" nowrap valign="top"> #define fluid_sample_refcount</td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">_sample </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> ((_sample)->refcount)
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Definition at line <a class="el" href="sfont_8h-source.html#l00176">176</a> of file <a class="el" href="sfont_8h-source.html">sfont.h</a>. </td>
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<a class="anchor" name="a4" doxytag="sfont.h::FLUID_SAMPLETYPE_LEFT" ></a><p>
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<td class="md" nowrap valign="top"> #define FLUID_SAMPLETYPE_LEFT 4
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<p>
Definition at line <a class="el" href="sfont_8h-source.html#l00183">183</a> of file <a class="el" href="sfont_8h-source.html">sfont.h</a>. </td>
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<a class="anchor" name="a5" doxytag="sfont.h::FLUID_SAMPLETYPE_LINKED" ></a><p>
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<td class="md" nowrap valign="top"> #define FLUID_SAMPLETYPE_LINKED 8
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<p>
Definition at line <a class="el" href="sfont_8h-source.html#l00184">184</a> of file <a class="el" href="sfont_8h-source.html">sfont.h</a>. </td>
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<a class="anchor" name="a2" doxytag="sfont.h::FLUID_SAMPLETYPE_MONO" ></a><p>
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<td class="md" nowrap valign="top"> #define FLUID_SAMPLETYPE_MONO 1
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Sample types.
<p>
<p>
Definition at line <a class="el" href="sfont_8h-source.html#l00181">181</a> of file <a class="el" href="sfont_8h-source.html">sfont.h</a>. </td>
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<a class="anchor" name="a3" doxytag="sfont.h::FLUID_SAMPLETYPE_RIGHT" ></a><p>
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<td class="md" nowrap valign="top"> #define FLUID_SAMPLETYPE_RIGHT 2
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<p>
Definition at line <a class="el" href="sfont_8h-source.html#l00182">182</a> of file <a class="el" href="sfont_8h-source.html">sfont.h</a>. </td>
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<a class="anchor" name="a6" doxytag="sfont.h::FLUID_SAMPLETYPE_ROM" ></a><p>
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<td class="md" nowrap valign="top"> #define FLUID_SAMPLETYPE_ROM 0x8000
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<p>
Definition at line <a class="el" href="sfont_8h-source.html#l00185">185</a> of file <a class="el" href="sfont_8h-source.html">sfont.h</a>. </td>
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<a class="anchor" name="a0" doxytag="sfont.h::fluid_sfont_get_id" ></a><p>
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<td class="md" nowrap valign="top"> #define fluid_sfont_get_id</td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">_sf </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> ((_sf)->id)
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<p>
Definition at line <a class="el" href="sfont_8h-source.html#l00115">115</a> of file <a class="el" href="sfont_8h-source.html">sfont.h</a>. </td>
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<hr><h2>Enumeration Type Documentation</h2>
<a class="anchor" name="a10" doxytag="sfont.h::@0" ></a><p>
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<td class="md" nowrap valign="top"> anonymous enum
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SoundFont plugins.
<p>
It is possible to add new SoundFont loaders to the synthesizer. The API uses a couple of "interfaces" (structures with callback functions): fluid_sfloader_t, fluid_sfont_t, and fluid_preset_t.<p>
To add a new SoundFont loader to the synthesizer, call <a class="el" href="synth_8h.html#a86">fluid_synth_add_sfloader()</a> and pass a pointer to an fluid_sfloader_t structure. The important callback function in this structure is "load", which should try to load a file and returns a fluid_sfont_t structure, or NULL if it fails.<p>
The fluid_sfont_t structure contains a callback to obtain the name of the soundfont. It contains two functions to iterate though the contained presets, and one function to obtain a preset corresponding to a bank and preset number. This function should return an fluid_preset_t structure.<p>
The fluid_preset_t structure contains some functions to obtain information from the preset (name, bank, number). The most important callback is the noteon function. The noteon function should call <a class="el" href="synth_8h.html#a87">fluid_synth_alloc_voice()</a> for every sample that has to be played. <a class="el" href="synth_8h.html#a87">fluid_synth_alloc_voice()</a> expects a pointer to a fluid_sample_t structure and returns a pointer to the opaque fluid_voice_t structure. To set or increments the values of a generator, use fluid_voice_gen_{set,incr}. When you are finished initializing the voice call fluid_voice_start() to start playing the synthesis voice. <dl compact><dt><b>Enumeration values: </b></dt><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em><a class="anchor" name="a10a7" doxytag="FLUID_PRESET_SELECTED" ></a>FLUID_PRESET_SELECTED</em> </td><td>
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<tr><td valign=top><em><a class="anchor" name="a10a8" doxytag="FLUID_PRESET_UNSELECTED" ></a>FLUID_PRESET_UNSELECTED</em> </td><td>
</td></tr>
<tr><td valign=top><em><a class="anchor" name="a10a9" doxytag="FLUID_SAMPLE_DONE" ></a>FLUID_SAMPLE_DONE</em> </td><td>
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<p>
Definition at line <a class="el" href="sfont_8h-source.html#l00063">63</a> of file <a class="el" href="sfont_8h-source.html">sfont.h</a>. </td>
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