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This commit is contained in:
Stefano D'Angelo 2024-01-13 09:24:06 +01:00
parent f5d275e832
commit 4b45be6edf
8 changed files with 43 additions and 19 deletions
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4
notes
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@ -84,6 +84,10 @@ product {
unit of measure (from predefined list, see tibia-index.js), default ""
VST3: ParameterInfo units
LV2: manifest.ttl lv2:port units:unit
map:
"linear" vs "logarithmic"
VST3:
LV2: manifest.ttl lv2:port lv2:portProperty pprops:logarithmic
}
]
}

3
templates/lv2/data/manifest.ttl
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@ -78,6 +78,9 @@
{{?p.integer}}
lv2:portProperty lv2:integer ;
{{?}}
{{?p.map == "logarithmic"}}
lv2:portProperty pprops:logarithmic ;
{{?}}
{{?p.scalePoints}}
lv2:scalePoint [
{{~Object.entries(p.scalePoints) :sp:j}}

1
templates/lv2/tibia-index.js
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@ -7,6 +7,7 @@ module.exports = function (data, api) {
{ id: "doap", uri: "http://usefulinc.com/ns/doap#" },
{ id: "foaf", uri: "http://xmlns.com/foaf/0.1/" },
{ id: "lv2", uri: "http://lv2plug.in/ns/lv2core#" },
{ id: "pprops", uri: "http://lv2plug.in/ns/ext/port-props#" },
{ id: "rdf", uri: "http://www.w3.org/1999/02/22-rdf-syntax-ns#" },
{ id: "rdfs", uri: "http://www.w3.org/2000/01/rdf-schema#" },
{ id: "units", uri: "http://lv2plug.in/ns/extensions/units#" }

3
templates/vst3-make/Makefile
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@ -2,6 +2,7 @@ include vars.mk
CC = gcc
CFLAGS = -fPIC -Wall -Wpedantic -Wextra -Wno-unused-parameter
LIBS = -lm
BUNDLE_DIR = ${BUNDLE_NAME}.vst3
@ -14,7 +15,7 @@ build/${BUNDLE_DIR}/Contents/Info.plist: data/Info.plist | build/${BUNDLE_DIR}/C
cp $^ $@
build/${BUNDLE_DIR}/Contents/${SO_FILE}: src/vst3.c | build/${BUNDLE_DIR}/Contents/${SO_DIR}
${CC} $^ -o $@ ${CFLAGS} ${CFLAGS_EXTRA} ${LIBS_EXTRA} -shared
${CC} $^ -o $@ ${CFLAGS} ${CFLAGS_EXTRA} ${LIBS} ${LIBS_EXTRA} -shared
build/${BUNDLE_DIR}/Contents build/${BUNDLE_DIR}/Contents/${SO_DIR}:
mkdir -p $@

BIN
templates/vst3/src/.vst3.c.swp Normal file
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7
templates/vst3/src/data.h
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@ -116,7 +116,7 @@ static struct Steinberg_Vst_ParameterInfo parameterInfo[DATA_PRODUCT_PARAMETERS_
/* .shortTitle = */ { {{~Array.from(p.shortName) :c}}0x{{=c.charCodeAt(0).toString(16)}}, {{~}}0 },
/* .units = */ { {{~Array.from(p.unit in it.tibia.vst3.units ? it.tibia.vst3.units[p.unit] : "") :c}}0x{{=c.charCodeAt(0).toString(16)}}, {{~}}0 },
/* .stepCount = */ {{?p.toggled}}1{{??p.list && p.scalePoints.length > 1}}Number(1 / (p.scalePoints.length - 1)).toExponential(){{??p.integer}}Number(p.maximum - p.minimum).toExponential(){{??}}0{{?}},
/* .defaultNormalizedValue = */ {{=Number((p.defaultValue - p.minimum) / (p.maximum - p.minimum)).toExponential()}},
/* .defaultNormalizedValue = */ {{?p.map == "logarithmic"}}{{=Number(Math.log(p.defaultValue / p.minimum) / (2 * Math.log(Math.sqrt(p.minimum * p.maximum) / Math.abs(p.minimum)))).toExponential()}}{{??}}{{=Number((p.defaultValue - p.minimum) / (p.maximum - p.minimum)).toExponential()}}{{?}},
/* .unitId = */ 0,
/* .flags = */ {{?p.direction == "input"}}Steinberg_Vst_ParameterInfo_ParameterFlags_kCanAutomate{{??}}Steinberg_Vst_ParameterInfo_ParameterFlags_kIsReadOnly{{?}}
{{?}}
@ -127,6 +127,7 @@ static struct Steinberg_Vst_ParameterInfo parameterInfo[DATA_PRODUCT_PARAMETERS_
# define DATA_PARAM_BYPASS 1
# define DATA_PARAM_TOGGLED (1<<1)
# define DATA_PARAM_INTEGER (1<<2)
# define DATA_PARAM_MAP_LOG (1<<3)
static struct {
size_t index;
@ -134,6 +135,7 @@ static struct {
double max;
double def;
uint32_t flags;
double mapK;
// scalePoints?
} parameterData[DATA_PRODUCT_PARAMETERS_N] = {
{{~it.product.parameters.filter(x => !x.isLatency) :p:i}}
@ -142,7 +144,8 @@ static struct {
/* .min = */ {{=p.minimum.toExponential()}},
/* .max = */ {{=p.maximum.toExponential()}},
/* .def = */ {{=p.defaultValue.toExponential()}},
/* .flags = */ {{?p.isBypass}}DATA_PARAM_BYPASS{{??}}0{{?p.toggled}} | DATA_PARAM_TOGGLED{{?}}{{?p.integer}} | DATA_PARAM_INTEGER{{?}}{{?}}
/* .flags = */ {{?p.isBypass}}DATA_PARAM_BYPASS{{??}}0{{?p.toggled}} | DATA_PARAM_TOGGLED{{?}}{{?p.integer}} | DATA_PARAM_INTEGER{{?}}{{?p.map == "logarithmic"}} | DATA_PARAM_MAP_LOG{{?}}{{?}},
/* .mapK = */ {{?p.map == "logarithmic"}}{{=Number(2.0 * Math.log(Math.sqrt(p.maximum * p.minimum) / Math.abs(p.minimum))).toExponential()}}{{??}}0.0{{?}}
},
{{~}}
};

26
templates/vst3/src/vst3.c
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@ -1,6 +1,7 @@
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "vst3_c_api.h"
#include "data.h"
#include "plugin.h"
@ -9,11 +10,11 @@
// https://github.com/rubberduck-vba/Rubberduck/wiki/COM-in-plain-C
// https://devblogs.microsoft.com/oldnewthing/20040205-00/?p=40733
#ifdef NDEBUG
# define TRACE(...) /* do nothing */
#else
#ifdef TIBIA_TRACE
# include <stdio.h>
# define TRACE(...) printf(__VA_ARGS__)
#else
# define TRACE(...) /* do nothing */
#endif
#if defined(__i386__) || defined(__x86_64__)
@ -25,13 +26,20 @@ static double clamp(double x, double m, double M) {
return x < m ? m : (x > M ? M : x);
}
static double parameterMap(Steinberg_Vst_ParamID id, double v) {
static double parameterMapLinear(Steinberg_Vst_ParamID id, double v) {
return parameterData[id].min + (parameterData[id].max - parameterData[id].min) * v;
}
static double parameterUnmap(Steinberg_Vst_ParamID id, double v) {
static double parameterUnmapLinear(Steinberg_Vst_ParamID id, double v) {
return (v - parameterData[id].min) / (parameterData[id].max - parameterData[id].min);
}
static double parameterMap(Steinberg_Vst_ParamID id, double v) {
return parameterData[id].flags & DATA_PARAM_MAP_LOG ? parameterData[id].min * exp(parameterData[id].mapK * v) : parameterMapLinear(id, v);
}
static double parameterUnmap(Steinberg_Vst_ParamID id, double v) {
return parameterData[id].flags & DATA_PARAM_MAP_LOG ? log(v / parameterData[id].min) / parameterData[id].mapK : parameterUnmapLinear(id, v);
}
static double parameterAdjust(Steinberg_Vst_ParamID id, double v) {
v = parameterData[id].flags & (DATA_PARAM_BYPASS | DATA_PARAM_TOGGLED) ? v >= 0.5 ? 1.0 : 0.0
@ -437,7 +445,7 @@ static Steinberg_tresult pluginProcess(void* thisInterface, struct Steinberg_Vst
if (o != 0)
continue;
Steinberg_Vst_ParamID id = q->lpVtbl->getParameterId(q);
v = parameterAdjust(id, parameterMap(id, v));
v = parameterAdjust(id, parameterMapLinear(id, v));
if (v != p->parameters[id]) {
p->parameters[id] = v;
plugin_set_parameter(&p->p, parameterData[id].index, p->parameters[id]);
@ -504,7 +512,7 @@ static Steinberg_tresult pluginProcess(void* thisInterface, struct Steinberg_Vst
if (o <= 0)
continue;
Steinberg_Vst_ParamID id = q->lpVtbl->getParameterId(q);
v = parameterAdjust(id, parameterMap(id, v));
v = parameterAdjust(id, parameterMapLinear(id, v));
if (v != p->parameters[id]) {
p->parameters[id] = v;
plugin_set_parameter(&p->p, parameterData[id].index, p->parameters[id]);
@ -526,7 +534,7 @@ static Steinberg_tresult pluginProcess(void* thisInterface, struct Steinberg_Vst
struct Steinberg_Vst_IParamValueQueue *q = data->outputParameterChanges->lpVtbl->addParameterData(data->outputParameterChanges, &id, &index);
if (q == NULL)
continue;
q->lpVtbl->addPoint(q, data->numSamples - 1, v, &index);
q->lpVtbl->addPoint(q, data->numSamples - 1, parameterUnmap(id, v), &index);
}
#endif
@ -789,11 +797,13 @@ static Steinberg_tresult controllerGetParamValueByString(void* thisInterface, St
static Steinberg_Vst_ParamValue controllerNormalizedParamToPlain(void* thisInterface, Steinberg_Vst_ParamID id, Steinberg_Vst_ParamValue valueNormalized) {
TRACE("controller normalized param to plain\n");
printf("map %d %g -> %g\n", id, valueNormalized, parameterMap(id, valueNormalized));
return parameterMap(id, valueNormalized);
}
static Steinberg_Vst_ParamValue controllerPlainParamToNormalized(void* thisInterface, Steinberg_Vst_ParamID id, Steinberg_Vst_ParamValue plainValue) {
TRACE("controller plain param to normalized\n");
printf("unmap %d %g -> %g\n", id, plainValue, parameterUnmap(id, plainValue));
return parameterUnmap(id, plainValue);
}

18
test/product.json
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@ -33,19 +33,20 @@
"direction": "input",
"isBypass": false,
"isLatency": false,
"defaultValue": 0.0,
"minimum": -60.0,
"maximum": 12.0,
"defaultValue": 10.0,
"minimum": 1.0,
"maximum": 100.0,
"toggled": false,
"optional": false,
"integer": false,
"scalePoints": {
"0": 0.0,
"Max": 12.0,
"Min": -60.0
"0": 1.0,
"Max": 100.0,
"Min": 10.0
},
"list": false,
"unit": "db"
"unit": "db",
"map": "logarithmic"
},
{
"name": "Bypass",
@ -64,7 +65,8 @@
"On": 1
},
"list": true,
"unit": ""
"unit": "",
"map": "linear"
}
]
}