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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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                  <a href="#gst-buzztard-GstSimSyn.description" class="shortcut">Description</a>
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<div class="refentry" title="GstSimSyn">
<a name="gst-buzztard-GstSimSyn"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="gst-buzztard-GstSimSyn.top_of_page"></a>GstSimSyn</span></h2>
<p>GstSimSyn — simple monophonic audio synthesizer</p>
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<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv" title="Synopsis">
<a name="gst-buzztard-GstSimSyn.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">                    <a class="link" href="gst-buzztard-GstSimSyn.html#GstSimSyn" title="GstSimSyn">GstSimSyn</a>;
enum                <a class="link" href="gst-buzztard-GstSimSyn.html#GstSimSynFilter" title="enum GstSimSynFilter">GstSimSynFilter</a>;
enum                <a class="link" href="gst-buzztard-GstSimSyn.html#GstSimSynWave" title="enum GstSimSynWave">GstSimSynWave</a>;
</pre>
</div>
<div class="refsect1" title="Description">
<a name="gst-buzztard-GstSimSyn.description"></a><h2>Description</h2>
<p>
Simple monophonic audio synthesizer with a decay envelope and a
state-variable filter.
</p>
</div>
<div class="refsect1" title="Details">
<a name="gst-buzztard-GstSimSyn.details"></a><h2>Details</h2>
<div class="refsect2" title="GstSimSyn">
<a name="GstSimSyn"></a><h3>GstSimSyn</h3>
<pre class="programlisting">typedef struct {
  GstBaseSrc parent;

  /* parameters */
  gdouble samples_per_buffer;
  GstSimSynWave wave;
  gchar *note;
  gdouble volume;
  gdouble decay;
  GstSimSynFilter filter;
  gdouble cutoff;
  gdouble resonance;
} GstSimSyn;
</pre>
<p>
Class instance data.
</p>
</div>
<hr>
<div class="refsect2" title="enum GstSimSynFilter">
<a name="GstSimSynFilter"></a><h3>enum GstSimSynFilter</h3>
<pre class="programlisting">typedef enum {
  GST_SIM_SYN_FILTER_NONE,
  GST_SIM_SYN_FILTER_LOWPASS,
  GST_SIM_SYN_FILTER_HIPASS,
  GST_SIM_SYN_FILTER_BANDPASS,
  GST_SIM_SYN_FILTER_BANDSTOP
} GstSimSynFilter;
</pre>
<p>
Filter types.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GST-SIM-SYN-FILTER-NONE:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_FILTER_NONE</code></span></p></td>
<td>no filtering
</td>
</tr>
<tr>
<td><p><a name="GST-SIM-SYN-FILTER-LOWPASS:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_FILTER_LOWPASS</code></span></p></td>
<td>low pass
</td>
</tr>
<tr>
<td><p><a name="GST-SIM-SYN-FILTER-HIPASS:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_FILTER_HIPASS</code></span></p></td>
<td>high pass
</td>
</tr>
<tr>
<td><p><a name="GST-SIM-SYN-FILTER-BANDPASS:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_FILTER_BANDPASS</code></span></p></td>
<td>band pass 
</td>
</tr>
<tr>
<td><p><a name="GST-SIM-SYN-FILTER-BANDSTOP:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_FILTER_BANDSTOP</code></span></p></td>
<td>band stop (notch)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="enum GstSimSynWave">
<a name="GstSimSynWave"></a><h3>enum GstSimSynWave</h3>
<pre class="programlisting">typedef enum {
  GST_SIM_SYN_WAVE_SINE,
  GST_SIM_SYN_WAVE_SQUARE,
  GST_SIM_SYN_WAVE_SAW,
  GST_SIM_SYN_WAVE_TRIANGLE,
  GST_SIM_SYN_WAVE_SILENCE,
  GST_SIM_SYN_WAVE_WHITE_NOISE,
  GST_SIM_SYN_WAVE_PINK_NOISE,
  GST_SIM_SYN_WAVE_SINE_TAB
} GstSimSynWave; 
</pre>
<p>
Oscillator wave forms.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GST-SIM-SYN-WAVE-SINE:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_WAVE_SINE</code></span></p></td>
<td>sine wave
</td>
</tr>
<tr>
<td><p><a name="GST-SIM-SYN-WAVE-SQUARE:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_WAVE_SQUARE</code></span></p></td>
<td>square wave
</td>
</tr>
<tr>
<td><p><a name="GST-SIM-SYN-WAVE-SAW:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_WAVE_SAW</code></span></p></td>
<td>saw wave
</td>
</tr>
<tr>
<td><p><a name="GST-SIM-SYN-WAVE-TRIANGLE:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_WAVE_TRIANGLE</code></span></p></td>
<td>triangle wave
</td>
</tr>
<tr>
<td><p><a name="GST-SIM-SYN-WAVE-SILENCE:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_WAVE_SILENCE</code></span></p></td>
<td>silence
</td>
</tr>
<tr>
<td><p><a name="GST-SIM-SYN-WAVE-WHITE-NOISE:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_WAVE_WHITE_NOISE</code></span></p></td>
<td>white noise
</td>
</tr>
<tr>
<td><p><a name="GST-SIM-SYN-WAVE-PINK-NOISE:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_WAVE_PINK_NOISE</code></span></p></td>
<td>pink noise
</td>
</tr>
<tr>
<td><p><a name="GST-SIM-SYN-WAVE-SINE-TAB:CAPS"></a><span class="term"><code class="literal">GST_SIM_SYN_WAVE_SINE_TAB</code></span></p></td>
<td>sine wave (precalculated)
</td>
</tr>
</tbody>
</table></div>
</div>
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