+ assert(stream_index >= 0 && stream_index < ssize_t(num_http_streams + udp_streams.size()));
+
+ if (stream_index >= num_http_streams) {
+ // UDP stream. TODO: Log which stream this is.
+ if (!stream_header.empty()) {
+ log(WARNING, "Trying to send stream format with headers to a UDP destination. This is unlikely to work well.");
+ }
+
+ // Ignore the HTTP header.
+ return;
+ }
+
+ // HTTP stream.