ustreamer: enable v4p (video passthrough)

{ lib, stdenv, fetchFromGitHub, libbsd, libevent, libjpeg }:

{ lib, stdenv, fetchFromGitHub, libbsd, libevent, libjpeg, libdrm, pkg-config }:

stdenv.mkDerivation rec {

  pname = "ustreamer";

    hash = "sha256-pTfct+nki1t7ltCUnxSyOkDocSr2pkoqOldkECtNfDU=";

  };

  buildInputs = [ libbsd libevent libjpeg ];

  buildInputs = [ libbsd libevent libjpeg libdrm ];

  makeFlags = [ "PREFIX=${placeholder "out"}" ];

  nativeBuildInputs = [ pkg-config ];

  makeFlags = [

    "PREFIX=${placeholder "out"}"

    "WITH_V4P=1"

  ];

  enableParallelBuilding = true;