webrtc: allow to specify ice-servers on command line

util/opts/helpers.hh

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <string>
+#include <vector>
+#include <sstream>
+
+inline std::vector<std::string> str_split(const std::string& in, const char seperator)
+{
+  std::vector<std::string> output;
+  std::istringstream stream(in);
+  for (std::string s; std::getline(stream, s, seperator); ) {
+    output.push_back(s);
+  }
+  return output;
+}

util/opts/opts.h

@@ -26,6 +26,7 @@ typedef struct options_s {
   const char *description;
 } option_t;
 
+#define OPTION_VALUE_LIST_SEP_CHAR ';'
 #define OPTION_VALUE_LIST_SEP ";"
 
 #define OPTION_FORMAT_uint   "%u"