/usr/lib/lv2/gong_beater-swh.lv2/plugin.ttl is in swh-lv2 1.0.15+git20151104~repack0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | @prefix : <http://lv2plug.in/ns/lv2core#> .
@prefix swh: <http://plugin.org.uk/swh-plugins/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix doap: <http://usefulinc.com/ns/doap#> .
@prefix swhext: <http://plugin.org.uk/extensions#> .
@prefix pg: <http://lv2plug.in/ns/ext/port-groups#> .
@prefix pprops: <http://lv2plug.in/ns/ext/port-props#> .
swh:gongBeater a :Plugin ;
a :GeneratorPlugin ;
doap:name "Gong beater" ;
doap:maintainer [
foaf:name "Steve Harris";
foaf:homepage <http://plugin.org.uk/> ;
foaf:mbox <mailto:steve@plugin.org.uk> ;
] ;
doap:license <http://usefulinc.com/doap/licenses/gpl> ;
:documentation <http://plugin.org.uk/ladspa-swh/docs/ladspa-swh.html#gongBeater> ;
:pluginProperty :hardRtCapable ;
:port [
a :InputPort, :ControlPort ;
:name "Impulse gain (dB)" ;
:index 0 ;
:symbol "imp_gain" ;
:minimum -70 ;
:maximum 0 ;
:default -70 ;
] ;
:port [
a :InputPort, :ControlPort ;
:name "Strike gain (dB)" ;
:index 1 ;
:symbol "strike_gain" ;
:minimum -70 ;
:maximum 0 ;
:default 0 ;
] ;
:port [
a :InputPort, :ControlPort ;
:name "Strike duration (s)" ;
:index 2 ;
:symbol "strike_duration" ;
:minimum 0.001 ;
:maximum 0.2 ;
:default 0.1005 ;
] ;
:port [
a :InputPort, :AudioPort ;
:name "Input" ;
:index 3 ;
:symbol "input" ;
] ;
:port [
a :OutputPort, :AudioPort ;
:name "Output" ;
:index 4 ;
:symbol "output" ;
] ;
swhext:code """
#include "ladspa-util.h"
""" ;
swhext:callback [
swhext:event "instantiate" ;
swhext:code """
running = 0;
x = 0.5f;
y = 0.0f;
xm = 0.5f;
ym = 0.0f;
fs = (float)s_rate;
imp_level = 0.0f;
""" ;
] ;
swhext:callback [
swhext:event "activate" ;
swhext:code """
running = 0;
x = 0.5f;
y = 0.0f;
xm = 0.5f;
ym = 0.0f;
""" ;
] ;
swhext:callback [
swhext:event "run" ;
swhext:code """
unsigned long pos;
const float imp_amp = DB_CO(imp_gain);
const float strike_amp = DB_CO(strike_gain);
const float omega = 6.2831852f / (strike_duration * fs);
pos = 0;
while (pos < sample_count) {
for (; !running && pos < sample_count; pos++) {
if (fabs(input[pos]) > 0.05f) {
running = strike_duration * fs;
imp_level = fabs(input[pos]);
}
buffer_write(output[pos], input[pos] * imp_amp);
}
for (; running && pos < sample_count; pos++, running--) {
if (fabs(input[pos]) > imp_level) {
imp_level = fabs(input[pos]);
}
x -= omega * y;
y += omega * x;
xm -= omega * 0.5f * ym;
ym += omega * 0.5f * xm;
buffer_write(output[pos], input[pos] * imp_amp + y * strike_amp *
imp_level * 4.0f * ym);
}
}
plugin_data->x = x;
plugin_data->y = y;
plugin_data->xm = xm;
plugin_data->ym = ym;
plugin_data->running = running;
plugin_data->imp_level = imp_level;
""" ;
] ;
swhext:createdBy <http://plugin.org.uk/swh-plugins/toTurtle.xsl> .
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