Function linearToDb

src/gui/ClientLevelMeter.cpp:18–22

namespace {

float linearToDb(float linear)
{
    if (linear <= 1e-6f) return -120.0f;
    return 20.0f * std::log10(linear);
}

// Same fast-attack / slow-release ballistics as ClientEqOutputFader so
// the meter feels visually consistent across applets.