InputMapping mapping = global_audio_mixer->get_input_mapping();
for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
const InputMapping::Bus &bus = mapping.buses[bus_index];
InputMapping mapping = global_audio_mixer->get_input_mapping();
for (unsigned bus_index = 0; bus_index < mapping.buses.size(); ++bus_index) {
const InputMapping::Bus &bus = mapping.buses[bus_index];