LV2: Port plugin ADClip7.

See https://www.airwindows.com/adclip-7/ for a great introduction to
what this plugin does.

6 files changed, 305 insertions, 1 deletions

diff --git a/plugins/LV2/CMakeLists.txt b/plugins/LV2/CMakeLists.txt
index eca33f3..bd6ac57 100755
--- a/plugins/LV2/CMakeLists.txt
+++ b/plugins/LV2/CMakeLists.txt
@@ -8,7 +8,7 @@ include(Helpers.cmake)
 
 # add_subdirectory(include/vstsdk)
 add_airwindows_plugin(Acceleration)
-# add_airwindows_plugin(ADClip7)
+add_airwindows_plugin(ADClip7)
 # add_airwindows_plugin(ADT)
 # add_airwindows_plugin(Air)
 # add_airwindows_plugin(Apicolypse)
diff --git a/plugins/LV2/src/ADClip7/ADClip7.cpp b/plugins/LV2/src/ADClip7/ADClip7.cpp
new file mode 100644
index 0000000..0c0891a
--- /dev/null
+++ b/plugins/LV2/src/ADClip7/ADClip7.cpp
@@ -0,0 +1,90 @@
+#include "ADClip7.h"
+#include <cmath>
+#include <iostream>
+
+namespace {
+
+enum class PortIndex : uint32_t {
+    BOOST,
+    SOFTEN,
+    ENHANCE,
+    MODE,
+    IN_L,
+    IN_R,
+    OUT_L,
+    OUT_R,
+};
+
+} // anon namespace
+
+ADClip7::ADClip7(double rate)
+    : rate(rate)
+    , refclipL(0.99)
+    , refclipR(0.99)
+{
+}
+
+void ADClip7::connect_port(uint32_t port, void * data)
+{
+    switch (static_cast<PortIndex>(port)) {
+        case PortIndex::BOOST:
+            boost = static_cast<const float *>(data);
+            break;
+
+        case PortIndex::SOFTEN:
+            soften = static_cast<const float *>(data);
+            break;
+
+        case PortIndex::ENHANCE:
+            enhance = static_cast<const float *>(data);
+            break;
+
+        case PortIndex::MODE:
+            mode = static_cast<const float *>(data);
+            break;
+
+        case PortIndex::IN_L:
+            in[0] = static_cast<const float *>(data);
+            break;
+
+        case PortIndex::IN_R:
+            in[1] = static_cast<const float *>(data);
+            break;
+
+        case PortIndex::OUT_L:
+            out[0] = static_cast<float *>(data);
+            break;
+
+        case PortIndex::OUT_R:
+            out[1] = static_cast<float *>(data);
+            break;
+
+        default:
+            std::cerr << "Invalid port " << port << ": ignoring." << std::endl;
+    }
+}
+
+void ADClip7::run(uint32_t num_samples)
+{
+    A = *boost;
+    B = *soften;
+    C = *enhance;
+    D = *mode;
+
+    processReplacing(const_cast<float **>(in), out, num_samples);
+}
+
+//
+// Helper functions to satisfy the processing code
+//
+
+double ADClip7::getSampleRate()
+{
+    return rate;
+}
+
+
+//
+// Include the processing code from the VST version.
+//
+#include "../../../LinuxVST/src/ADClip7/ADClip7Proc.cpp"
diff --git a/plugins/LV2/src/ADClip7/ADClip7.h b/plugins/LV2/src/ADClip7/ADClip7.h
new file mode 100644
index 0000000..3ec6033
--- /dev/null
+++ b/plugins/LV2/src/ADClip7/ADClip7.h
@@ -0,0 +1,60 @@
+#ifndef __ADClip7_H
+#define __ADClip7_H
+
+#include <cstdint>
+
+// Required typa alias for VTS processing funcs.
+using VstInt32 = int32_t;
+
+class ADClip7 {
+public:
+    ADClip7(double rate);
+
+    void connect_port(uint32_t port, void * data);
+    void run(uint32_t num_samples);
+
+private:
+    void processReplacing(float **in, float **out, VstInt32 samples);
+    void processDoubleReplacing(double **in, double **out, VstInt32 samples);
+
+    double getSampleRate();
+
+    double rate;
+
+    // Pointers to control ports
+    const float * boost;
+    const float * soften;
+    const float * enhance;
+    const float * mode;
+
+    // Pointer to audio buffers
+    const float * in[2];
+    float * out[2];
+
+    // Temp values used by the processing code
+    float A;
+    float B;
+    float C;
+    float D;
+
+    // To keep state between runs
+	long double fpNShapeL;
+	long double fpNShapeR;
+
+	//default stuff
+	long double lastSampleL;
+	long double lastSampleR;
+	float bL[22200];
+	float bR[22200];
+	int gcount;
+	double lowsL;
+	double lowsR;
+	double iirLowsAL;
+	double iirLowsAR;
+	double iirLowsBL;
+	double iirLowsBR;
+	long double refclipL;
+	long double refclipR;
+};
+
+#endif
diff --git a/plugins/LV2/src/ADClip7/ADClip7.ttl b/plugins/LV2/src/ADClip7/ADClip7.ttl
new file mode 100644
index 0000000..33ad268
--- /dev/null
+++ b/plugins/LV2/src/ADClip7/ADClip7.ttl
@@ -0,0 +1,72 @@
+# Airwindows ADClip7 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/adclip-7>
+    a lv2:Plugin ,
+        lv2:CompressorPlugin ;
+    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 "Boost" ;
+      lv2:default 0.0 ;
+      lv2:minimum 0.0 ;
+      lv2:maximum 1.0 ;
+    ] , [
+      a lv2:InputPort , lv2:ControlPort ;
+      lv2:index 1 ;
+      lv2:symbol "B" ;
+      lv2:name "Soften" ;
+      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 "Enhance" ;
+      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 "Mode" ;
+      lv2:default 0.0 ;
+      lv2:minimum 0.0 ;
+      lv2:maximum 1.0 ;
+      lv2:portProperty lv2:integer, lv2:enumeration ;
+      lv2:scalePoint [ rdfs:label "ADClip Normal" ; rdf:value 0.0 ] ;
+      lv2:scalePoint [ rdfs:label "Gain Match" ; rdf:value 0.34 ] ;
+      lv2:scalePoint [ rdfs:label "Clip Only" ; rdf:value 0.67 ] ;
+    ] , [
+      a lv2:InputPort , lv2:AudioPort ;
+      lv2:index 4 ;
+      lv2:symbol "in_l" ;
+      lv2:name "In left" ;
+    ] , [
+      a lv2:InputPort , lv2:AudioPort ;
+      lv2:index 5 ;
+      lv2:symbol "in_r" ;
+      lv2:name "In right" ;
+    ] , [
+      a lv2:OutputPort , lv2:AudioPort ;
+      lv2:index 6 ;
+      lv2:symbol "out_l" ;
+      lv2:name "Out left" ;
+    ] , [
+      a lv2:OutputPort , lv2:AudioPort ;
+      lv2:index 7 ;
+      lv2:symbol "out_r" ;
+      lv2:name "Out right" ;
+    ] .
diff --git a/plugins/LV2/src/ADClip7/lv2wrapper.cpp b/plugins/LV2/src/ADClip7/lv2wrapper.cpp
new file mode 100644
index 0000000..2ff55c8
--- /dev/null
+++ b/plugins/LV2/src/ADClip7/lv2wrapper.cpp
@@ -0,0 +1,70 @@
+#include "lv2/core/lv2.h"
+#include "ADClip7.h"
+
+namespace {
+
+const char * PLUGIN_URI = "https://www.airwindows.com/adclip-7";
+
+LV2_Handle instantiate(
+        const LV2_Descriptor * d,
+        double rate,
+        const char * path,
+        const LV2_Feature * const * features)
+{
+    return new ADClip7{rate};
+}
+
+void connect_port(
+        LV2_Handle instance,
+        uint32_t port,
+        void * data)
+{
+    auto accel = static_cast<ADClip7 *>(instance);
+    accel->connect_port(port, data);
+}
+
+void activate(LV2_Handle instance)
+{
+}
+
+void run(LV2_Handle instance, uint32_t num_samples)
+{
+    auto accel = static_cast<ADClip7 *>(instance);
+    accel->run(num_samples);
+}
+
+void deactivate(LV2_Handle)
+{
+}
+
+void destroy(LV2_Handle instance)
+{
+    delete static_cast<ADClip7 *>(instance);
+}
+
+const void * extension_data(const char * uri)
+{
+    return nullptr;
+}
+
+const LV2_Descriptor descriptor = {
+    PLUGIN_URI,
+    instantiate,
+    connect_port,
+    activate,
+    run,
+    deactivate,
+    destroy,
+    extension_data
+};
+
+} // anon namespace
+
+LV2_SYMBOL_EXPORT
+const LV2_Descriptor * lv2_descriptor(uint32_t idx)
+{
+    if (idx == 0)
+        return &descriptor;
+
+    return nullptr;
+}
diff --git a/plugins/LV2/src/ADClip7/manifest.ttl.in b/plugins/LV2/src/ADClip7/manifest.ttl.in
new file mode 100644
index 0000000..bda5816
--- /dev/null
+++ b/plugins/LV2/src/ADClip7/manifest.ttl.in
@@ -0,0 +1,12 @@
+# LV2 Plugin manifest for airwindows ADClip7 plugin
+
+@prefix doap:  <http://usefulinc.com/ns/doap#> .
+@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+
+<https://www.airwindows.com/adclip-7>
+    a lv2:Plugin ;
+    doap:name "Airwindows ADClip7 Loudness Maximizer" ;
+    doap:license <http://opensource.org/licenses/mit> ;
+    lv2:binary <ADClip7@CMAKE_SHARED_LIBRARY_SUFFIX@> ;
+    rdfs:seeAlso <ADClip7.ttl> .