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Cardinal
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Initial working test for Befaco SpringReverb as single lv2

tags/22.02
falkTX 3 years ago
parent
f58d61261e
commit
9018ce34c4
4 changed files with 342 additions and 5 deletions
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  1. +13
    -5
      lv2export/Makefile
  2. +221
    -0
      lv2export/lv2plugin.cpp
  3. +101
    -0
      lv2export/lv2plugin.ttl
  4. +7
    -0
      lv2export/manifest.ttl

+ 13
- 5
lv2export/Makefile View File

@@ -105,7 +105,8 @@ endif
# --------------------------------------------------------------
# Build targets

BUILD_FILES = test.cpp
BUILD_FILES = lv2plugin.cpp
BUILD_FILES += test.cpp
BUILD_FILES += dep.cpp
BUILD_FILES += dep2.cpp
BUILD_FILES += ../src/Rack/src/logger.cpp
@@ -122,9 +123,9 @@ BUILD_FILES += ../src/Rack/dep/pffft/pffft.c
BUILD_FILES += ../src/Rack/dep/pffft/fftpack.c
endif

TARGET = test
TARGETS = test$(APP_EXT) lv2plugin$(LIB_EXT)

all: $(TARGET)
all: $(TARGETS)

EXTRA_LIBS = ../plugins/plugins.a

@@ -143,12 +144,19 @@ endif
# --------------------------------------------------------------
# Build commands

OBJS = $(BUILD_FILES:%=$(BUILD_DIR)/%.o)
# OBJS = $(BUILD_FILES:%=$(BUILD_DIR)/%.o)

$(TARGET): $(OBJS)
FILES1 = $(filter-out lv2plugin.cpp,$(BUILD_FILES))
FILES2 = $(filter-out test.cpp,$(BUILD_FILES))

test$(APP_EXT): $(FILES1:%=$(BUILD_DIR)/%.o)
-@mkdir -p $(shell dirname $@)
$(CXX) $^ $(BUILD_CXX_FLAGS) $(LINK_FLAGS) $(EXTRA_LIBS) -o $@

lv2plugin$(LIB_EXT): $(FILES2:%=$(BUILD_DIR)/%.o)
-@mkdir -p $(shell dirname $@)
$(CXX) $^ $(BUILD_CXX_FLAGS) $(LINK_FLAGS) $(EXTRA_LIBS) $(SHARED) -o $@

$(BUILD_DIR)/%.c.o: %.c
-@mkdir -p "$(shell dirname $(BUILD_DIR)/$<)"
@echo "Compiling $<"


+ 221
- 0
lv2export/lv2plugin.cpp View File

@@ -0,0 +1,221 @@
/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For a full copy of the GNU General Public License see the LICENSE file.
*/

#include "src/lv2/buf-size.h"
#include "src/lv2/options.h"
#include <rack.hpp>
#include <context.hpp>

#include "DistrhoUtils.hpp"

using namespace rack;

extern Model* modelSpringReverb;
Plugin* pluginInstance__Befaco;

namespace rack {
namespace settings {
bool cpuMeter = false;
}
Context::~Context() {
}
static thread_local Context* threadContext = nullptr;
Context* contextGet() {
DISTRHO_SAFE_ASSERT(threadContext != nullptr);
return threadContext;
}
// Apple's clang incorrectly compiles this function when -O2 or higher is enabled.
#ifdef ARCH_MAC
__attribute__((optnone))
#endif
void contextSet(Context* const context) {
// DISTRHO_SAFE_ASSERT(threadContext == nullptr);
threadContext = context;
}
Exception::Exception(const char* format, ...)
{
va_list args;
va_start(args, format);
msg = string::fV(format, args);
va_end(args);
}
namespace asset {
std::string plugin(plugin::Plugin* plugin, std::string filename) { return {}; }
std::string system(std::string filename) { return {}; }
}
namespace engine {
float Engine::getParamValue(Module* module, int paramId) { return 0.0f; }
float Engine::getParamSmoothValue(Module* module, int paramId) { return 0.0f; }
void Engine::setParamValue(Module* module, int paramId, float value) {}
void Engine::setParamSmoothValue(Module* module, int paramId, float value) {}
}
namespace plugin {
void Plugin::addModel(Model* model)
{
// Check that the model is not added to a plugin already
DISTRHO_SAFE_ASSERT_RETURN(model != nullptr,);
DISTRHO_SAFE_ASSERT_RETURN(model->plugin == nullptr,);
model->plugin = this;
models.push_back(model);
}
Model* modelFromJson(json_t* moduleJ) {
return nullptr;
}
std::vector<Plugin*> plugins;
} // namespace plugin
} // namespace rack

struct PluginLv2 {
Plugin* plugin;
engine::Module* module;
float sampleRate;
int frameCount = 0;

void* ports[11];

PluginLv2(double sr)
{
sampleRate = sr;
plugin = new Plugin;
pluginInstance__Befaco = plugin;
plugin->addModel(modelSpringReverb);
module = modelSpringReverb->createModule();

// FIXME we need to detect if something is connected
// module->inputs[0].channels = 1;
// module->inputs[1].channels = 1;
module->inputs[2].channels = 1;
module->inputs[3].channels = 1;
module->inputs[4].channels = 1;
module->outputs[0].channels = 1;
module->outputs[1].channels = 1;
}

void lv2_connect_port(const uint32_t port, void* const dataLocation)
{
ports[port] = dataLocation;
}

void lv2_run(const uint32_t sampleCount)
{
if (sampleCount == 0)
return;

Module::ProcessArgs args = {
sampleRate,
1.0f / sampleRate,
frameCount
};

const float* CV1_INPUT = (float*)ports[0];
const float* CV2_INPUT = (float*)ports[1];
const float* IN1_INPUT = (float*)ports[2];
const float* IN2_INPUT = (float*)ports[3];
const float* MIX_CV_INPUT = (float*)ports[4];
float* MIX_OUTPUT = (float*)ports[5];
float* WET_OUTPUT = (float*)ports[6];

const float drywet = *(float*)ports[7] * 0.01f;
const float lvl1 = *(float*)ports[8] * 0.01f;
const float lvl2 = *(float*)ports[9] * 0.01f;
const float hpf = *(float*)ports[10];

module->params[0].setValue(drywet);
module->params[1].setValue(lvl1);
module->params[2].setValue(lvl2);
module->params[3].setValue(hpf);

for (uint32_t i=0; i<sampleCount; ++i)
{
module->inputs[0].setVoltage(CV1_INPUT[i]);
module->inputs[1].setVoltage(CV2_INPUT[i]);
module->inputs[2].setVoltage(IN1_INPUT[i] * 10);
module->inputs[3].setVoltage(IN2_INPUT[i] * 10);
module->inputs[4].setVoltage(MIX_CV_INPUT[i]);
module->doProcess(args);
MIX_OUTPUT[i] = module->outputs[0].getVoltage() * 0.1f;
WET_OUTPUT[i] = module->outputs[1].getVoltage() * 0.1f;
++args.frame;
}

frameCount += sampleCount;
}

};

static LV2_Handle lv2_instantiate(const LV2_Descriptor*, double sampleRate, const char* bundlePath, const LV2_Feature* const* features)
{
return new PluginLv2(sampleRate);
}

// -----------------------------------------------------------------------

#define instancePtr ((PluginLv2*)instance)

static void lv2_connect_port(LV2_Handle instance, uint32_t port, void* dataLocation)
{
instancePtr->lv2_connect_port(port, dataLocation);
}

static void lv2_activate(LV2_Handle instance)
{
}

static void lv2_run(LV2_Handle instance, uint32_t sampleCount)
{
instancePtr->lv2_run(sampleCount);
}

static void lv2_deactivate(LV2_Handle instance)
{
}

static void lv2_cleanup(LV2_Handle instance)
{
delete instancePtr;
}

// -----------------------------------------------------------------------

static const void* lv2_extension_data(const char* uri)
{
return nullptr;
}

#undef instancePtr

// -----------------------------------------------------------------------

static const LV2_Descriptor sLv2Descriptor = {
"urn:Cardinal:Befaco",
lv2_instantiate,
lv2_connect_port,
lv2_activate,
lv2_run,
lv2_deactivate,
lv2_cleanup,
lv2_extension_data
};

DISTRHO_PLUGIN_EXPORT
const LV2_Descriptor* lv2_descriptor(uint32_t index)
{
USE_NAMESPACE_DISTRHO
return (index == 0) ? &sLv2Descriptor : nullptr;
}

// -----------------------------------------------------------------------

+ 101
- 0
lv2export/lv2plugin.ttl View File

@@ -0,0 +1,101 @@
@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
@prefix doap: <http://usefulinc.com/ns/doap#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix midi: <http://lv2plug.in/ns/ext/midi#> .
@prefix mod: <http://moddevices.com/ns/mod#> .
@prefix opts: <http://lv2plug.in/ns/ext/options#> .
@prefix pg: <http://lv2plug.in/ns/ext/port-groups#> .
@prefix patch: <http://lv2plug.in/ns/ext/patch#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix rsz: <http://lv2plug.in/ns/ext/resize-port#> .
@prefix spdx: <http://spdx.org/rdf/terms#> .
@prefix ui: <http://lv2plug.in/ns/extensions/ui#> .
@prefix unit: <http://lv2plug.in/ns/extensions/units#> .

<urn:Cardinal:Befaco>
a lv2:Plugin, doap:Project ;

lv2:port [
a lv2:InputPort, lv2:CVPort, mod:CVPort ;
lv2:index 0 ;
lv2:symbol "lv2_audio_in_1" ;
lv2:name "CV1_INPUT" ;
lv2:default 10;
lv2:minimum 0;
lv2:maximum 10;
] , [
a lv2:InputPort, lv2:CVPort, mod:CVPort ;
lv2:index 1 ;
lv2:symbol "lv2_audio_in_2" ;
lv2:name "CV2_INPUT" ;
lv2:default 10;
lv2:minimum 0;
lv2:maximum 10;
] , [
a lv2:InputPort, lv2:AudioPort ;
lv2:index 2 ;
lv2:symbol "lv2_audio_in_3" ;
lv2:name "IN1_INPUT" ;
] , [
a lv2:InputPort, lv2:AudioPort ;
lv2:index 3 ;
lv2:symbol "lv2_audio_in_4" ;
lv2:name "IN2_INPUT" ;
] , [
a lv2:InputPort, lv2:CVPort, mod:CVPort ;
lv2:index 4 ;
lv2:symbol "lv2_audio_in_5" ;
lv2:name "MIX_CV_INPUT" ;
lv2:default 0;
lv2:minimum 0;
lv2:maximum 10;
] , [
a lv2:OutputPort, lv2:AudioPort ;
lv2:index 5 ;
lv2:symbol "lv2_audio_out_1" ;
lv2:name "Mix Output" ;
] , [
a lv2:OutputPort, lv2:AudioPort ;
lv2:index 6 ;
lv2:symbol "lv2_audio_out_2" ;
lv2:name "Wet Output" ;
] , [
a lv2:InputPort, lv2:ControlPort ;
lv2:index 7 ;
lv2:name "Dry/wet" ;
lv2:symbol "param_1" ;
lv2:default 50 ;
lv2:minimum 0 ;
lv2:maximum 100 ;
unit:unit unit:pc;
] , [
a lv2:InputPort, lv2:ControlPort ;
lv2:index 8 ;
lv2:name "In 1 level" ;
lv2:symbol "param_2" ;
lv2:default 25 ;
lv2:minimum 0 ;
lv2:maximum 100 ;
unit:unit unit:pc;
] , [
a lv2:InputPort, lv2:ControlPort ;
lv2:index 9 ;
lv2:name "In 2 level" ;
lv2:symbol "param_3" ;
lv2:default 25 ;
lv2:minimum 0 ;
lv2:maximum 100 ;
unit:unit unit:pc;
] , [
a lv2:InputPort, lv2:ControlPort ;
lv2:index 10 ;
lv2:name "High pass filter cutoff" ;
lv2:symbol "param_4" ;
lv2:default 0.5 ;
lv2:minimum 0 ;
lv2:maximum 1 ;
] ;

doap:name "Befaco" .

+ 7
- 0
lv2export/manifest.ttl View File

@@ -0,0 +1,7 @@
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<urn:Cardinal:Befaco>
a lv2:Plugin ;
lv2:binary <lv2plugin.dylib> ;
rdfs:seeAlso <lv2plugin.ttl> .

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