/usr/lib/lv2/satan_maximiser-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 | @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:satanMaximiser a :Plugin ;
a :DynamicsPlugin ;
a :DistortionPlugin ;
doap:name "Barry's Satan Maximiser" ;
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#satanMaximiser> ;
:pluginProperty :hardRtCapable ;
:port [
a :InputPort, :ControlPort ;
:name "Decay time (samples)" ;
:index 0 ;
:symbol "env_time_p" ;
:minimum 2 ;
:maximum 30 ;
:default 30 ;
] ;
:port [
a :InputPort, :ControlPort ;
:name "Knee point (dB)" ;
:index 1 ;
:symbol "knee_point" ;
:minimum -90 ;
:maximum 0 ;
:default 0.0 ;
] ;
:port [
a :InputPort, :AudioPort ;
:name "Input" ;
:index 2 ;
:symbol "input" ;
] ;
:port [
a :OutputPort, :AudioPort ;
:name "Output" ;
:index 3 ;
:symbol "output" ;
] ;
swhext:code """
#include <math.h>
#include "ladspa-util.h"
#define BUFFER_SIZE 16
#define BUFFER_MASK 15
""" ;
swhext:callback [
swhext:event "instantiate" ;
swhext:code """
env = 0.0f;
buffer = malloc(sizeof(LADSPA_Data) * BUFFER_SIZE);
buffer_pos = 0;
""" ;
] ;
swhext:callback [
swhext:event "activate" ;
swhext:code """
env = 0.0f;
memset(buffer, 0, sizeof(LADSPA_Data) * BUFFER_SIZE);
buffer_pos = 0;
""" ;
] ;
swhext:callback [
swhext:event "cleanup" ;
swhext:code """
free(plugin_data->buffer);
""" ;
] ;
swhext:callback [
swhext:event "run" ;
swhext:code """
unsigned long pos;
int delay;
float env_tr, env_sc, knee;
float env_time = env_time_p;
if (env_time < 2.0f) {
env_time = 2.0f;
}
knee = DB_CO(knee_point);
delay = f_round(env_time * 0.5f);
env_tr = 1.0f / env_time;
for (pos = 0; pos < sample_count; pos++) {
if (fabs(input[pos]) > env) {
env = fabs(input[pos]);
} else {
env = fabs(input[pos]) * env_tr + env * (1.0f - env_tr);
}
if (env <= knee) {
env_sc = 1.0f / knee;
} else {
env_sc = 1.0f / env;
}
buffer[buffer_pos] = input[pos];
output[pos] = buffer[(buffer_pos - delay) & BUFFER_MASK] * env_sc;
buffer_pos = (buffer_pos + 1) & BUFFER_MASK;
}
plugin_data->env = env;
plugin_data->buffer_pos = buffer_pos;
""" ;
] ;
swhext:createdBy <http://plugin.org.uk/swh-plugins/toTurtle.xsl> .
|