17   std::stringstream ss;  in ToString()  local
18   ss << "{ulpfec_payload_type: " << ulpfec_payload_type;  in ToString()
19   ss << ", red_payload_type: " << red_payload_type;  in ToString()
20   ss << '}';  in ToString()
21   return ss.str();  in ToString()
25   std::stringstream ss;  in ToString()  local
26   ss << "{name: " << name;  in ToString()
27   ss << ", id: " << id;  in ToString()
28   ss << '}';  in ToString()
29   return ss.str();  in ToString()
33   std::stringstream ss;  in ToString()  local
34   ss << "{width: " << width;  in ToString()
35   ss << ", height: " << height;  in ToString()
36   ss << ", max_framerate: " << max_framerate;  in ToString()
37   ss << ", min_bitrate_bps:" << min_bitrate_bps;  in ToString()
38   ss << ", target_bitrate_bps:" << target_bitrate_bps;  in ToString()
39   ss << ", max_bitrate_bps:" << max_bitrate_bps;  in ToString()
40   ss << ", max_qp: " << max_qp;  in ToString()
42   ss << ", temporal_layers: {";  in ToString()
44     ss << temporal_layers[i];  in ToString()
46       ss << "}, {";  in ToString()
48   ss << '}';  in ToString()
50   ss << '}';  in ToString()
51   return ss.str();  in ToString()