vanja/neural-amp-modeler-lv2
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plugin cleanup

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This commit is contained in:
Mike Oliphant
2023-03-13 09:52:15 -07:00
parent 079bd4dbfd
commit 99c709d70d
3 changed files with 60 additions and 40 deletions
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src/nam_lv2.cpp
+20 -29
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@@ -7,8 +7,6 @@
// LV2
#include <lv2/core/lv2.h>
#include <lv2/urid/urid.h>
#include <lv2/log/log.h>
#include <lv2/log/logger.h>
#include <lv2/worker/worker.h>
#include "nam_plugin.h"
@@ -20,48 +18,40 @@ static LV2_Handle instantiate(
const char*,
const LV2_Feature* const* features
) {
LV2_URID_Map* map = nullptr;
LV2_Log_Logger logger = {};
try
{
auto nam = std::make_unique<NAM::Plugin>(static_cast<float>(rate));
for (size_t i = 0; features[i]; ++i) {
if (std::string(features[i]->URI) == std::string(LV2_URID__map))
map = static_cast<LV2_URID_Map*>(features[i]->data);
else if (std::string(features[i]->URI) == std::string(LV2_LOG__log))
logger.log = static_cast<LV2_Log_Log*>(features[i]->data);
}
if (nam->initialize(rate, features))
{
return static_cast<LV2_Handle>(nam.release());
}
lv2_log_logger_set_map(&logger, map);
if (!map) {
lv2_log_error(&logger, "Missing required feature: `%s`", LV2_URID__map);
return nullptr;
}
try {
auto nam = std::make_unique<NAM::Plugin>(static_cast<float>(rate));
nam->map_uris(map);
return static_cast<LV2_Handle>(nam.release());
} catch(const std::exception& e) {
lv2_log_error(&logger, "Failed to instantiate plugin: %s", e.what());
catch(const std::exception& e)
{
return nullptr;
}
}
static void connect_port(LV2_Handle instance, uint32_t port, void* data) {
static void connect_port(LV2_Handle instance, uint32_t port, void* data)
{
auto nam = static_cast<NAM::Plugin*>(instance);
*(reinterpret_cast<void**>(&nam->ports)+port) = data;
}
static void activate(LV2_Handle) {}
static void run(LV2_Handle instance, uint32_t n_samples) {
static void run(LV2_Handle instance, uint32_t n_samples)
{
static_cast<NAM::Plugin*>(instance)->process(n_samples);
}
static void deactivate(LV2_Handle) {}
static void cleanup(LV2_Handle instance) {
static void cleanup(LV2_Handle instance)
{
delete static_cast<NAM::Plugin*>(instance);
}
@@ -89,14 +79,14 @@ extension_data(const char* uri)
{
static const LV2_Worker_Interface worker = { work, work_response, NULL };
if (!strcmp(uri, LV2_WORKER__interface)) {
if (!strcmp(uri, LV2_WORKER__interface))
return &worker;
}
return NULL;
}
static const LV2_Descriptor descriptor = {
static const LV2_Descriptor descriptor =
{
"http://github.com/mikeoliphant/neural-amp-modeler-lv2",
instantiate,
connect_port,
@@ -107,6 +97,7 @@ static const LV2_Descriptor descriptor = {
extension_data
};
LV2_SYMBOL_EXPORT const LV2_Descriptor* lv2_descriptor(uint32_t index) {
LV2_SYMBOL_EXPORT const LV2_Descriptor* lv2_descriptor(uint32_t index)
{
return index == 0 ? &descriptor : nullptr;
}