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<?xml version="1.0" ?>
<!DOCTYPE ladspa SYSTEM "ladspa-swh.dtd">
<?xml-stylesheet href="ladspa.css" type="text/css" ?>
<ladspa>
<global>
<meta name="maker" value="Steve Harris <steve@plugin.org.uk>"/>
<meta name="copyright" value="GPL"/>
<meta name="properties" value="HARD_RT_CAPABLE"/>
</global>
<plugin label="foverdrive" id="1196" class="DistortionPlugin">
<name>Fast overdrive</name>
<p>A simple overdrive. Compresses the extreme peaks to make a sound similar to an overdriven amplifier.</p>
<callback event="run">
unsigned long pos;
const float drivem1 = drive - 1.0f;
for (pos = 0; pos < sample_count; pos++) {
LADSPA_Data x = input[pos];
const float fx = fabs(x);
buffer_write(output[pos], x*(fx + drive)/(x*x + drivem1*fx + 1.0f));
}
</callback>
<port label="drive" dir="input" type="control" hint="default_minimum">
<name>Drive level</name>
<range min="1" max="3"/>
<p>Controls the point at which the signal starts to distort, and the degree of distortion.</p>
</port>
<port label="input" dir="input" type="audio">
<name>Input</name>
</port>
<port label="output" dir="output" type="audio">
<name>Output</name>
</port>
</plugin>
</ladspa>
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