Initial commit

.gitignore

@@ -0,0 +1,15 @@
+*.a
+*.d
+*.o
+
+*.exe
+*.dll
+*.dylib
+*.so
+*.zip
+
+.kdev_include_paths
+.kdev4/
+
+bin/
+build/

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "stk"]
+	path = stk
+	url = git@github.com:DISTRHO/stk.git
+[submodule "dpf"]
+	path = dpf
+	url = git@github.com:DISTRHO/DPF.git

LICENSE

@@ -0,0 +1,13 @@
+DISTRHO Plugin Framework (DPF)
+Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com>
+
+Permission to use, copy, modify, and/or distribute this software for any purpose with
+or without fee is hereby granted, provided that the above copyright notice and this
+permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

Makefile

@@ -0,0 +1,38 @@
+#!/usr/bin/make -f
+# Makefile for DPF STK Plugins #
+# ---------------------------- #
+# Created by falkTX
+#
+
+include dpf/Makefile.base.mk
+
+all: plugins gen
+
+# --------------------------------------------------------------
+
+plugins:
+	$(MAKE) all -C plugins/Flute
+
+ifneq ($(CROSS_COMPILING),true)
+gen: plugins dpf/utils/lv2_ttl_generator
+	@$(CURDIR)/dpf/utils/generate-ttl.sh
+ifeq ($(MACOS),true)
+	@$(CURDIR)/dpf/utils/generate-vst-bundles.sh
+endif
+
+dpf/utils/lv2_ttl_generator:
+	$(MAKE) -C dpf/utils/lv2-ttl-generator
+else
+gen:
+endif
+
+# --------------------------------------------------------------
+
+clean:
+	$(MAKE) clean -C dpf/utils/lv2-ttl-generator
+	$(MAKE) clean -C plugins/Flute
+	rm -rf bin build
+
+# --------------------------------------------------------------
+
+.PHONY: plugins

README.md

@@ -0,0 +1,5 @@
+# DPF STK Plugins
+
+This is an attempt of building synth plugins with DPF and STK.
+Work in progress.
+

plugins/Flute/DistrhoPluginInfo.h

@@ -0,0 +1,30 @@
+/*
+ * DPF STK Plugins
+ * Copyright (C) 2019 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DISTRHO_PLUGIN_INFO_H_INCLUDED
+#define DISTRHO_PLUGIN_INFO_H_INCLUDED
+
+#define DISTRHO_PLUGIN_BRAND "DISTRHO"
+#define DISTRHO_PLUGIN_NAME  "STK Flute"
+#define DISTRHO_PLUGIN_URI   "https://dpf.kx.studio/plugins/stk/Flute"
+
+#define DISTRHO_PLUGIN_HAS_UI        0
+#define DISTRHO_PLUGIN_IS_RT_SAFE    0
+#define DISTRHO_PLUGIN_IS_SYNTH      1
+#define DISTRHO_PLUGIN_NUM_INPUTS    0
+#define DISTRHO_PLUGIN_NUM_OUTPUTS   1
+
+#endif // DISTRHO_PLUGIN_INFO_H_INCLUDED

plugins/Flute/Flute.cpp

@@ -0,0 +1,278 @@
+/*
+ * DPF STK Plugins
+ * Copyright (C) 2019 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DPF_STK_FLUTE_HPP_INCLUDED
+#define DPF_STK_FLUTE_HPP_INCLUDED
+
+#include "DistrhoPluginUtils.hpp"
+#include "../../stk/include/Flute.h"
+#include "../../stk/include/Voicer.h"
+#include "../../stk/include/SKINImsg.h"
+
+using stk::StkFloat;
+
+START_NAMESPACE_DISTRHO
+
+// -----------------------------------------------------------------------
+
+class StkFlute : public Plugin
+{
+public:
+    static const size_t kNumVoices = 6;
+
+    /*
+    Control Change Numbers:
+       - Jet Delay = 2
+       - Noise Gain = 4
+       - Vibrato Frequency = 11
+       - Vibrato Gain = 1
+       - Breath Pressure = 128
+    */
+    enum Parameters
+    {
+        kParamJetDelay = 0,
+        kParamNoiseGain,
+        kParamVibratoFrequency,
+        kParamVibratoGain,
+        kParamBreathPressure,
+        kParamCount
+    };
+
+    StkFlute()
+        : Plugin(kParamCount, 0, 0), // 0 programs, 0 states
+          voicer(0.0)
+    {
+        for (size_t i=0; i<kParamCount; ++i)
+            params[i] = 0.0f;
+
+        for (size_t i=0; i<kNumVoices; ++i)
+        {
+            flute[i].setSampleRate(getSampleRate());
+            voicer.addInstrument(&flute[i]);
+        }
+    }
+
+protected:
+    // -------------------------------------------------------------------
+    // Information
+
+    const char* getLabel() const noexcept override
+    {
+        return "STK Flute";
+    }
+
+    const char* getDescription() const override
+    {
+        return "...";
+    }
+
+    const char* getMaker() const noexcept override
+    {
+        return "falkTX, STK";
+    }
+
+    const char* getHomePage() const override
+    {
+        return DISTRHO_PLUGIN_URI;
+    }
+
+    const char* getLicense() const noexcept override
+    {
+        return "ISC";
+    }
+
+    uint32_t getVersion() const noexcept override
+    {
+        return d_version(1, 0, 0);
+    }
+
+    int64_t getUniqueId() const noexcept override
+    {
+        return d_cconst('D', 'F', 'l', 't');
+    }
+
+    // -------------------------------------------------------------------
+    // Init
+
+    void initParameter(uint32_t index, Parameter& parameter) override
+    {
+        switch (index)
+        {
+        case kParamJetDelay:
+            parameter.hints      = kParameterIsAutomable;
+            parameter.name       = "Jet Delay";
+            parameter.symbol     = "JetDelay";
+            parameter.ranges.def = 0.0f;
+            parameter.ranges.min = 0.0f;
+            parameter.ranges.max = 1.0f;
+            break;
+        case kParamNoiseGain:
+            parameter.hints      = kParameterIsAutomable;
+            parameter.name       = "Noise Gain";
+            parameter.symbol     = "NoiseGain";
+            parameter.ranges.def = 0.0f;
+            parameter.ranges.min = 0.0f;
+            parameter.ranges.max = 1.0f;
+            break;
+        case kParamVibratoFrequency:
+            parameter.hints      = kParameterIsAutomable;
+            parameter.name       = "Vibrato Frequency";
+            parameter.symbol     = "VibratoFrequency";
+            parameter.ranges.def = 0.0f;
+            parameter.ranges.min = 0.0f;
+            parameter.ranges.max = 1.0f;
+            break;
+        case kParamVibratoGain:
+            parameter.hints      = kParameterIsAutomable;
+            parameter.name       = "Vibrato Gain";
+            parameter.symbol     = "VibratoGain";
+            parameter.ranges.def = 0.0f;
+            parameter.ranges.min = 0.0f;
+            parameter.ranges.max = 1.0f;
+            break;
+        case kParamBreathPressure:
+            parameter.hints      = kParameterIsAutomable;
+            parameter.name       = "Breath Pressure";
+            parameter.symbol     = "BreathPressure";
+            parameter.ranges.def = 0.0f;
+            parameter.ranges.min = 0.0f;
+            parameter.ranges.max = 1.0f;
+            break;
+        }
+    }
+
+    // -------------------------------------------------------------------
+    // Internal data
+
+    float getParameterValue(uint32_t index) const override
+    {
+        return params[index];
+    }
+
+    void setParameterValue(uint32_t index, float value) override
+    {
+        switch (index)
+        {
+        case kParamJetDelay:
+            instrumentControlChange(__SK_JetDelay_, value*128.0);
+            break;
+        case kParamNoiseGain:
+            instrumentControlChange(__SK_NoiseLevel_, value*128.0);
+            break;
+        case kParamVibratoFrequency:
+            instrumentControlChange(__SK_ModFrequency_, value*128.0);
+            break;
+        case kParamVibratoGain:
+            instrumentControlChange(__SK_ModWheel_, value*128.0);
+            break;
+        case kParamBreathPressure:
+            instrumentControlChange(__SK_AfterTouch_Cont_, value*128.0);
+            break;
+        }
+
+        params[index] = value;
+    }
+
+    // -------------------------------------------------------------------
+    // Process
+
+    void deactivate() override
+    {
+        for (size_t i=0; i<kNumVoices; ++i)
+            flute[i].clear();
+    }
+
+    void run(const float**, float** outputs, uint32_t frames, const MidiEvent* midiEvents, uint32_t midiEventCount) override
+    {
+        StkFloat note, velo;
+        std::memset(outputs[0], 0, sizeof(float)*frames);
+
+        for (AudioMidiSyncHelper amsh(outputs, frames, midiEvents, midiEventCount); amsh.nextEvent();)
+        {
+            for (uint32_t i=0; i<amsh.midiEventCount; ++i)
+            {
+                if (amsh.midiEvents[i].size > MidiEvent::kDataSize)
+                    continue;
+
+                const uint8_t*  data = amsh.midiEvents[i].data;
+                const uint8_t status = data[0] & 0xF0;
+
+                switch (status)
+                {
+                case 0x90:
+                    note = static_cast<StkFloat>(data[1]);
+                    velo = static_cast<StkFloat>(data[2]);
+                    if (velo > 0)
+                    {
+                        voicer.noteOn(note, velo);
+                        break;
+                    }
+                    // fall through
+                case 0x80:
+                    note = static_cast<StkFloat>(data[1]);
+                    velo = static_cast<StkFloat>(data[2]);
+                    voicer.noteOff(note, velo);
+                    break;
+                }
+
+                // TODO pitchbend
+                // TODO all notes off
+            }
+
+            float* const out = amsh.outputs[0];
+
+            for (uint32_t i=0; i<amsh.frames; ++i)
+                out[i] = voicer.tick();
+        }
+    }
+
+    // -------------------------------------------------------------------
+    // ...
+
+    void sampleRateChanged(const double newSampleRate) override
+    {
+        for (size_t i=0; i<kNumVoices; ++i)
+            flute[i].setSampleRate(newSampleRate);
+    }
+
+    // -------------------------------------------------------------------
+
+private:
+    float params[kParamCount];
+    stk::Flute flute[kNumVoices];
+    stk::Voicer voicer;
+
+    void instrumentControlChange(int number, StkFloat value)
+    {
+        for (size_t i=0; i<kNumVoices; ++i)
+            flute[i].controlChange(number, value);
+    }
+
+    DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(StkFlute)
+};
+
+// -----------------------------------------------------------------------
+
+Plugin* createPlugin()
+{
+    return new StkFlute();
+}
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DISTRHO
+
+#endif  // DPF_STK_FLUTE_HPP_INCLUDED