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#include "lv2/core/lv2.h"
LV2_Descriptor descriptor;
template<typename Plugin>
class LV2Wrapper
{
public:
LV2Wrapper()
{
LV2_Descriptor d = {
Plugin::URI,
LV2Wrapper::instantiate,
LV2Wrapper::connect_port,
LV2Wrapper::activate,
LV2Wrapper::run,
LV2Wrapper::deactivate,
LV2Wrapper::destroy,
LV2Wrapper::extension_data
};
descriptor = d;
}
private:
static LV2_Handle instantiate(
const LV2_Descriptor * d,
double rate,
const char * path,
const LV2_Feature * const * features)
{
return new Plugin{rate};
}
static void connect_port(
LV2_Handle instance,
uint32_t port,
void * data)
{
auto accel = static_cast<Plugin *>(instance);
accel->connect_port(port, data);
}
static void activate(LV2_Handle instance)
{
auto accel = static_cast<Plugin *>(instance);
accel->activate();
}
static void run(LV2_Handle instance, uint32_t num_samples)
{
auto accel = static_cast<Plugin *>(instance);
accel->run(num_samples);
}
static void deactivate(LV2_Handle instance)
{
auto accel = static_cast<Plugin *>(instance);
accel->deactivate();
}
static void destroy(LV2_Handle instance)
{
delete static_cast<Plugin *>(instance);
}
static const void * extension_data(const char * uri)
{
return nullptr;
}
};
LV2_SYMBOL_EXPORT
const LV2_Descriptor * lv2_descriptor(uint32_t idx)
{
if (idx == 0)
return &descriptor;
return nullptr;
}
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