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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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<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>
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<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">
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<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>
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</tbody>
</table></div>
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<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">
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<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>
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