Signalsmith-Audio/basics
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Parameter changes and correct value displays

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This commit is contained in:
Geraint 2025-06-22 13:53:27 +01:00
parent 4dd9d55c62
commit b4412624a9
1 changed files with 30 additions and 7 deletions
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37
stfx/clap/stfx-clap.h
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@ -148,11 +148,34 @@ struct Plugin : public clap_plugin {
std::vector<float *> outputBuffers;
void processEvent(const clap_event_header *header) {
LOG_EXPR(header->size);
LOG_EXPR(header->time);
LOG_EXPR(header->space_id);
LOG_EXPR(header->type);
LOG_EXPR(header->flags);
if (header->space_id != CLAP_CORE_EVENT_SPACE_ID) return; // only core events supported atm
if (header->type == CLAP_EVENT_PARAM_VALUE) {
auto *event = (clap_event_param_value *)header;
auto *param = (Param *)event->cookie;
if (!param) {
auto paramId = event->param_id;
for (auto &p : params) {
if (p.id == paramId) {
param = &p;
break;
}
}
if (!param) return; // invalid parameter
} else if (param->id != event->param_id) {
return; // inconsistent ID / cookie
}
if (param->rangeParam) {
*param->rangeParam = param->rangeInfo->fromUnit(event->value);
} else {
*param->steppedParam = int(std::round(event->value));
}
} else {
LOG_EXPR(header->size);
LOG_EXPR(header->time);
LOG_EXPR(header->space_id);
LOG_EXPR(header->type);
LOG_EXPR(header->flags);
}
}
// CLAP plugin methods
@ -253,7 +276,7 @@ struct Plugin : public clap_plugin {
plugin.processEvent(event);
++nextEventIndex;
}
}
}
inputBuffers.resize(0);
outputBuffers.resize(0);
return CLAP_PROCESS_CONTINUE;
@ -361,7 +384,7 @@ struct Plugin : public clap_plugin {
for (auto &param : plugin.params) {
if (param.id == paramId) {
if (param.rangeParam) {
auto str = param.rangeInfo->toString(value);
auto str = param.rangeInfo->toString(param.rangeInfo->fromUnit(value));
std::strncpy(text, str.c_str(), textCapacity);
} else {
auto str = param.steppedInfo->toString(int(std::round(value)));