(channel_configs.size() > 1);
for(ChannelConfigStateList::iterator cc_it = channel_configs.begin(); cc_it != channel_configs.end(); ++cc_it) {
handler->add_export_config (*ts_it, (*cc_it)->config, (*format_it)->format, filename, b);
(channel_configs.size() > 1);
for(ChannelConfigStateList::iterator cc_it = channel_configs.begin(); cc_it != channel_configs.end(); ++cc_it) {
handler->add_export_config (*ts_it, (*cc_it)->config, (*format_it)->format, filename, b);