diff options
Diffstat (limited to 'plugins/LV2/src/Biquad2')
| -rw-r--r-- | plugins/LV2/src/Biquad2/Biquad2.cpp | 53 | ||||
| -rw-r--r-- | plugins/LV2/src/Biquad2/Biquad2.h | 54 | ||||
| -rw-r--r-- | plugins/LV2/src/Biquad2/Biquad2.ttl | 81 | ||||
| -rw-r--r-- | plugins/LV2/src/Biquad2/manifest.ttl.in | 6 |
4 files changed, 194 insertions, 0 deletions
diff --git a/plugins/LV2/src/Biquad2/Biquad2.cpp b/plugins/LV2/src/Biquad2/Biquad2.cpp new file mode 100644 index 0000000..0b1d731 --- /dev/null +++ b/plugins/LV2/src/Biquad2/Biquad2.cpp @@ -0,0 +1,53 @@ +#include "Biquad2.h" +#include <iostream> +#include <lv2wrapper.h> + +Biquad2::Biquad2(double rate) + : LV2Plugin(rate) +{ +} + +void Biquad2::activate() +{ + for (int x = 0; x < 15; x++) {biquad[x] = 0.0;} + for (int x = 0; x < 11; x++) {bL[x] = 0.0; bR[x] = 0.0; f[x] = 0.0;} + frequencychase = 0.0015; + resonancechase = 0.001; + outputchase = 1.0; + wetchase = 1.0; + + frequencysetting = -1.0; + resonancesetting = -1.0; + outputsetting = -1.0; + wetsetting = -2.0; //-1.0 is a possible setting here and this forces an update on chasespeed + + chasespeed = 500.0; + A = 1.0; + B = 0.5; + C = 0.5; + D = 1.0; + E = 1.0; + fpd = 17; + //this is reset: values being initialized only once. Startup values, whatever they are. + +} + +void Biquad2::run(uint32_t num_samples) +{ + A = *params[0]; + B = *params[1]; + C = *params[2]; + D = *params[3]; + E = *params[4]; + + processReplacing(const_cast<float **>(in), out, num_samples); +} + +// +// Include the processing code from the VST version. +// +#include <cmath> +#include "../../../LinuxVST/src/Biquad2/Biquad2Proc.cpp" + +// Create the LV2Wrapper and register the plugin +LV2Wrapper<Biquad2> plugin; diff --git a/plugins/LV2/src/Biquad2/Biquad2.h b/plugins/LV2/src/Biquad2/Biquad2.h new file mode 100644 index 0000000..e511e3b --- /dev/null +++ b/plugins/LV2/src/Biquad2/Biquad2.h @@ -0,0 +1,54 @@ +#ifndef __Biquad2_H +#define __Biquad2_H + +#include <lv2plugin.h> + +class Biquad2 : public LV2Plugin<5> { +public: + Biquad2(double rate); + + void activate(); + void run(uint32_t num_samples); + + static constexpr const char * URI = "https://www.airwindows.com/biquad2"; + +private: + /* + * These are the original DSP functions from the VST plugin. + * They need to be called from the LV2 plugins `run` function. + */ + void processReplacing(float **in, float **out, VstInt32 samples); + void processDoubleReplacing(double **in, double **out, VstInt32 samples); + + /* + * Members needed by the processing functions. + */ + + long double biquad[15]; //note that this stereo form doesn't require L and R forms! + //This is because so much of it is coefficients etc. that are the same on both channels. + //So the stored samples are in 7-8-9-10 and 11-12-13-14, and freq/res/coefficients serve both. + + double bL[11]; + double bR[11]; + double f[11]; + double frequencychase; + double resonancechase; + double outputchase; + double wetchase; + double frequencysetting; + double resonancesetting; + double outputsetting; + double wetsetting; + double chasespeed; + + uint32_t fpd; + //default stuff + + float A; + float B; + float C; + float D; + float E; +}; + +#endif diff --git a/plugins/LV2/src/Biquad2/Biquad2.ttl b/plugins/LV2/src/Biquad2/Biquad2.ttl new file mode 100644 index 0000000..a1c02c4 --- /dev/null +++ b/plugins/LV2/src/Biquad2/Biquad2.ttl @@ -0,0 +1,81 @@ +# Airwindows Biquad2 plugin description + +@prefix lv2: <http://lv2plug.in/ns/lv2core#> . +@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . +@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . +@prefix units: <http://lv2plug.in/ns/extensions/units#> . + +<https://www.airwindows.com/biquad2> + a lv2:Plugin , + lv2:EQPlugin ; + lv2:project <https://www.airwindows.com> ; + + lv2:optionalFeature lv2:hardRTCapable ; + + # Define the ports for this plugin. + lv2:port [ + a lv2:InputPort , lv2:ControlPort ; + lv2:index 0 ; + lv2:symbol "A" ; + lv2:name "Type" ; + lv2:default 0.5 ; + lv2:minimum 0.0 ; + lv2:maximum 1.0 ; + lv2:portProperty lv2:integer, lv2:enumeration ; + lv2:scalePoint [ rdfs:label "lowpass" ; rdf:value 0.0 ] ; + lv2:scalePoint [ rdfs:label "highpass" ; rdf:value 0.26 ] ; + lv2:scalePoint [ rdfs:label "bandpass" ; rdf:value 0.51 ] ; + lv2:scalePoint [ rdfs:label "notch" ; rdf:value 0.76 ] ; + ] , [ + a lv2:InputPort , lv2:ControlPort ; + lv2:index 1 ; + lv2:symbol "B" ; + lv2:name "Freq" ; + lv2:default 0.5 ; + lv2:minimum 0.0 ; + lv2:maximum 1.0 ; + ] , [ + a lv2:InputPort , lv2:ControlPort ; + lv2:index 2 ; + lv2:symbol "C" ; + lv2:name "Q" ; + lv2:default 0.5 ; + lv2:minimum 0.0 ; + lv2:maximum 1.0 ; + ] , [ + a lv2:InputPort , lv2:ControlPort ; + lv2:index 3 ; + lv2:symbol "D" ; + lv2:name "Output" ; + lv2:default 0.5 ; + lv2:minimum 0.0 ; + lv2:maximum 1.0 ; + ] , [ + a lv2:InputPort , lv2:ControlPort ; + lv2:index 4 ; + lv2:symbol "E" ; + lv2:name "Inv/Wet" ; + lv2:default 0.5 ; + lv2:minimum 0.0 ; + lv2:maximum 1.0 ; + ] , [ + a lv2:InputPort , lv2:AudioPort ; + lv2:index 5 ; + lv2:symbol "in_l" ; + lv2:name "In left" ; + ] , [ + a lv2:InputPort , lv2:AudioPort ; + lv2:index 6 ; + lv2:symbol "in_r" ; + lv2:name "In right" ; + ] , [ + a lv2:OutputPort , lv2:AudioPort ; + lv2:index 7 ; + lv2:symbol "out_l" ; + lv2:name "Out left" ; + ] , [ + a lv2:OutputPort , lv2:AudioPort ; + lv2:index 8 ; + lv2:symbol "out_r" ; + lv2:name "Out right" ; + ] . diff --git a/plugins/LV2/src/Biquad2/manifest.ttl.in b/plugins/LV2/src/Biquad2/manifest.ttl.in new file mode 100644 index 0000000..1003f2b --- /dev/null +++ b/plugins/LV2/src/Biquad2/manifest.ttl.in @@ -0,0 +1,6 @@ +airwindows:biquad2 + a lv2:Plugin ; + doap:name "Airwindows Biquad2" ; + doap:license <http://opensource.org/licenses/mit> ; + lv2:binary <Biquad2@CMAKE_SHARED_LIBRARY_SUFFIX@> ; + rdfs:seeAlso <Biquad2.ttl> . |