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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>GstBtAudioSynth: GStreamer Buzztrax Reference Manual</title>
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<h2><span class="refentrytitle"><a name="GstBtAudioSynth.top_of_page"></a>GstBtAudioSynth</span></h2>
<p>GstBtAudioSynth — base audio synthesizer</p>
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<a name="GstBtAudioSynth.other"></a><h2>Types and Values</h2>
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<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GstBtAudioSynth.html#GstBtAudioSynth-struct" title="struct GstBtAudioSynth">GstBtAudioSynth</a></td>
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<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GstBtAudioSynth.html#GstBtAudioSynthClass" title="struct GstBtAudioSynthClass">GstBtAudioSynthClass</a></td>
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<a name="GstBtAudioSynth.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstObject.html#GstObject-struct">GstObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstElement.html#GstElement-struct">GstElement</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0GstBaseSrc.html#GstBaseSrc-struct">GstBaseSrc</a>
<span class="lineart">╰──</span> GstBtAudioSynth
<span class="lineart">├──</span> <a class="link" href="GstBtEBeats.html" title="GstBtEBeats">GstBtEBeats</a>
<span class="lineart">├──</span> <a class="link" href="GstBtFluidSynth.html" title="GstBtFluidSynth">GstBtFluidSynth</a>
<span class="lineart">├──</span> <a class="link" href="GstBtSidSyn.html" title="GstBtSidSyn">GstBtSidSyn</a>
<span class="lineart">├──</span> <a class="link" href="GstBtSimSyn.html" title="GstBtSimSyn">GstBtSimSyn</a>
<span class="lineart">├──</span> <a class="link" href="GstBtWaveReplay.html" title="GstBtWaveReplay">GstBtWaveReplay</a>
<span class="lineart">╰──</span> <a class="link" href="GstBtWaveTabSyn.html" title="GstBtWaveTabSyn">GstBtWaveTabSyn</a>
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<div class="refsect1">
<a name="GstBtAudioSynth.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GstBtAudioSynth implements
<a href="/usr/share/gtk-doc/html/gstreamer-1.0GstPreset.html#GstPreset-struct">GstPreset</a> and <a class="link" href="GstBtTempo.html" title="GstBtTempo">GstBtTempo</a>.</p>
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<div class="refsect1">
<a name="GstBtAudioSynth.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <libgstbuzztrax/audiosynth.h>
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<div class="refsect1">
<a name="GstBtAudioSynth.description"></a><h2>Description</h2>
<p>Base audio synthesizer to use as a foundation for new synthesizers. Handles
tempo, seeking, trick mode playback and format negotiation.
The pure virtual process and setup methods must be implemented by the child
class. The setup vmethod provides the caps to negotiate. Form them the elemnt
can take parameters such as sampling rate or data format.</p>
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<div class="refsect1">
<a name="GstBtAudioSynth.functions_details"></a><h2>Functions</h2>
<p></p>
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<div class="refsect1">
<a name="GstBtAudioSynth.other_details"></a><h2>Types and Values</h2>
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<a name="GstBtAudioSynth-struct"></a><h3>struct GstBtAudioSynth</h3>
<pre class="programlisting">struct GstBtAudioSynth;</pre>
<p>Instance data.</p>
</div>
<hr>
<div class="refsect2">
<a name="GstBtAudioSynthClass"></a><h3>struct GstBtAudioSynthClass</h3>
<pre class="programlisting">struct GstBtAudioSynthClass {
GstBaseSrcClass parent_class;
/* virtual functions */
gboolean (*process) (GstBtAudioSynth * src, GstBuffer * data, GstMapInfo *info);
void (*setup) (GstBtAudioSynth * src, GstPad * pad, GstCaps * caps);
};
</pre>
<p>Class structure.</p>
<div class="refsect3">
<a name="id-1.3.2.9.3.5"></a><h4>Members</h4>
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<td class="struct_member_name"><p><em class="structfield"><code><a name="GstBtAudioSynthClass.process"></a>process</code></em> ()</p></td>
<td class="struct_member_description"><p>vmethod for generating a block of audio, return false to indicate
that a GAP buffer should be sent</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GstBtAudioSynthClass.setup"></a>setup</code></em> ()</p></td>
<td class="struct_member_description"><p>vmethod for initial processign setup</p></td>
<td class="struct_member_annotations"> </td>
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