{ stdenv
, lib
, fetchFromGitHub
, cmake
, openssl
, srtp
, usrsctp
, plog
, nlohmann_json
, libnice
}:

stdenv.mkDerivation rec {
  pname = "libdatachannel";
  version = "0.19.0-alpha.4";

  src = fetchFromGitHub {
    owner = "paullouisageneau";
    repo = "libdatachannel";
    rev = "v${version}";
    sha256 = "sha256-PRH0XfO+nr6KQfWmeV5S7VsWF6HxFB44DSrO1I9CI6g=";
  };

  nativeBuildInputs = [ cmake ];
  buildInputs = [
    openssl srtp usrsctp plog nlohmann_json libnice
  ];

  cmakeFlags = [
    "-DPREFER_SYSTEM_LIB=ON"
    "-DUSE_NICE=ON"
    "-DNO_EXAMPLES=ON"
    "-DNO_TESTS=ON"  # wants ICE/STUN server on the internet
  ];

  meta = with lib; {
    description = "C/C++ WebRTC network library";
    maintainers = with maintainers; [ lukegb ];
    platforms   = platforms.all;
    license     = with licenses; [ mpl20 ];
  };

}