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interesting parts of lv2 core done

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This commit is contained in:
Stefano D'Angelo 2024-01-09 15:02:49 +01:00
parent 8d577e7e46
commit a0cb9dc8a0
6 changed files with 71 additions and 16 deletions
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1
TODO
View File

@ -9,3 +9,4 @@
* lv2: RDF/Turtle escape etc
* lv2: extra data, see also - should use plugin.ttl?
* lv2: i18n?
* #if > 0 -> dotjs

18
templates/lv2/data/manifest.ttl
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@ -47,6 +47,24 @@
{{?}}
{{?p.optional}}
lv2:portProperty lv2:connectionOptional ;
{{?}}
{{?p.integer}}
lv2:portProperty lv2:integer ;
{{?}}
{{?p.scalePoints}}
lv2:scalePoint [
{{~Object.entries(p.scalePoints) :sp:j}}
rdfs:label "{{=sp[0]}}" ;
rdf:value {{=sp[1].toExponential()}}
{{?j < Object.entries(p.scalePoints).length - 1}}
] , [
{{??}}
] ;
{{?}}
{{~}}
{{?}}
{{?p.list}}
lv2:portProperty lv2:enumeration ;
{{?}}
lv2:index {{=i}}
{{?i < it.tibia.lv2.ports.length - 1}}

11
templates/lv2/src/data.h
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@ -9,8 +9,10 @@
# define DATA_PARAM_BYPASS 1
# define DATA_PARAM_TOGGLED (1<<1)
# define DATA_PARAM_INTEGER (1<<2)
static struct {
uint32_t index;
float min;
float max;
float def;
@ -18,12 +20,19 @@ static struct {
} param_data[DATA_PRODUCT_CONTROL_INPUTS_N] = {
{{~it.tibia.lv2.ports.filter(x => x.type == "control" && x.direction == "input") :p}}
{
/* .index = */ {{=p.paramIndex}},
/* .min = */ {{=p.minimum.toExponential()}}f,
/* .max = */ {{=p.maximum.toExponential()}}f,
/* .def = */ {{=p.defaultValue.toExponential()}}f,
/* .flags = */ 0{{?p.isBypass}} | DATA_PARAM_BYPASS{{?}}{{?p.toggled}} | DATA_PARAM_TOGGLED{{?}}
/* .flags = */ 0{{?p.isBypass}} | DATA_PARAM_BYPASS{{?}}{{?p.toggled}} | DATA_PARAM_TOGGLED{{?}}{{?p.integer}} | DATA_PARAM_INTEGER{{?}}
},
{{~}}
};
#endif
#if DATA_PRODUCT_CONTROL_OUTPUTS_N > 0
static uint32_t param_out_index[DATA_PRODUCT_CONTROL_OUTPUTS_N] = {
{{~it.tibia.lv2.ports.filter(x => x.type == "control" && x.direction == "output") :p}}{{=p.paramIndex}}, {{~}}
};
#endif

39
templates/lv2/src/lv2.c
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@ -27,15 +27,15 @@ static LV2_Handle instantiate(const struct LV2_Descriptor * descriptor, double s
plugin_init(&instance->p);
plugin_set_sample_rate(&instance->p, sample_rate);
#if DATA_PRODUCT_AUDIO_INPUT_CHANNELS_N > 0
for (size_t i = 0; i < DATA_PRODUCT_AUDIO_INPUT_CHANNELS_N; i++)
for (uint32_t i = 0; i < DATA_PRODUCT_AUDIO_INPUT_CHANNELS_N; i++)
instance->x[i] = NULL;
#endif
#if DATA_PRODUCT_AUDIO_OUTPUT_CHANNELS_N > 0
for (size_t i = 0; i < DATA_PRODUCT_AUDIO_OUTPUT_CHANNELS_N; i++)
for (uint32_t i = 0; i < DATA_PRODUCT_AUDIO_OUTPUT_CHANNELS_N; i++)
instance->y[i] = NULL;
#endif
#if DATA_PRODUCT_CONTROL_INPUTS_N > 0
for (size_t i = 0; i < DATA_PRODUCT_CONTROL_INPUTS_N; i++)
#if (DATA_PRODUCT_CONTROL_INPUTS_N + DATA_PRODUCT_CONTROL_OUTPUTS_N) > 0
for (uint32_t i = 0; i < DATA_PRODUCT_CONTROL_INPUTS_N + DATA_PRODUCT_CONTROL_OUTPUTS_N; i++)
instance->c[i] = NULL;
#endif
return instance;
@ -65,9 +65,10 @@ static void connect_port(LV2_Handle instance, uint32_t port, void * data_locatio
static void activate(LV2_Handle instance) {
plugin_instance * i = (plugin_instance *)instance;
#if DATA_PRODUCT_CONTROL_INPUTS_N > 0
for (size_t j = 0; j < DATA_PRODUCT_CONTROL_INPUTS_N; j++) {
i->params[j] = i->c[j] != NULL ? *i->c[j] : param_data[j].def;
plugin_set_parameter(&i->p, j, i->params[j]);
for (uint32_t j = 0; j < DATA_PRODUCT_CONTROL_INPUTS_N; j++) {
uint32_t k = param_data[j].index;
i->params[j] = i->c[k] != NULL ? *i->c[k] : param_data[j].def;
plugin_set_parameter(&i->p, k, i->params[j]);
}
#endif
plugin_reset(&i->p);
@ -81,25 +82,37 @@ static void run(LV2_Handle instance, uint32_t sample_count) {
plugin_instance * i = (plugin_instance *)instance;
#if DATA_PRODUCT_CONTROL_INPUTS_N > 0
for (size_t j = 0; j < DATA_PRODUCT_CONTROL_INPUTS_N; j++) {
if (i->c[j] == NULL)
for (uint32_t j = 0; j < DATA_PRODUCT_CONTROL_INPUTS_N; j++) {
uint32_t k = param_data[j].index;
if (i->c[k] == NULL)
continue;
float v;
if (param_data[j].flags & DATA_PARAM_BYPASS)
v = *i->c[j] > 0.f ? 0.f : 1.f;
v = *i->c[k] > 0.f ? 0.f : 1.f;
else if (param_data[j].flags & DATA_PARAM_TOGGLED)
v = *i->c[j] > 0.f ? 1.f : 0.f;
v = *i->c[k] > 0.f ? 1.f : 0.f;
else if (param_data[j].flags & DATA_PARAM_INTEGER)
v = (int32_t)(*i->c[k] + 0.5f);
else
v = clampf(*i->c[j], param_data[j].min, param_data[j].max);
v = *i->c[k];
v = clampf(v, param_data[j].min, param_data[j].max);
if (v != i->params[j]) {
i->params[j] = v;
plugin_set_parameter(&i->p, j, v);
plugin_set_parameter(&i->p, k, v);
}
}
#endif
plugin_process(&i->p, i->x, i->y, sample_count);
#if DATA_PRODUCT_CONTROL_OUTPUTS_N > 0
for (uint32_t j = 0; j < DATA_PRODUCT_CONTROL_OUTPUTS_N; j++) {
uint32_t k = param_out_index[j];
if (i->c[k] != NULL)
i->c[k] = plugin_get_parameter(&i->p, k);
}
#endif
}
static void cleanup(LV2_Handle instance) {

1
templates/lv2/tibia-index.js
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@ -32,6 +32,7 @@ module.exports = function (data, api) {
var e = Object.create(p);
e.type = "control";
e.symbol = data.lv2.parameterSymbols[i];
e.paramIndex = i;
data.tibia.lv2.ports.push(e);
}

17
test/product.json
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@ -39,7 +39,14 @@
"minimum": -60.0,
"maximum": 12.0,
"toggled": false,
"optional": false
"optional": false,
"integer": false,
"scalePoints": {
"0": 0.0,
"Max": 12.0,
"Min": -60.0
},
"list": false
},
{
"name": "Bypass",
@ -53,7 +60,13 @@
"minimum": 0,
"maximum": 1,
"toggled": true,
"optional": true
"optional": true,
"integer": true,
"scalePoints": {
"Off": 0,
"On": 1
},
"list": true
}
]
}