Merge pull request #13861 from abbradar/mjpg-streamer

mjpg-streamer: update and add NixOS service

nixos/modules/misc/ids.nix

···
       octoprint = 230;
       avahi-autoipd = 231;
       nntp-proxy = 232;
+      mjpg-streamer = 233;
 
       # When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
 

nixos/modules/module-list.nix

···
   ./services/networking/lambdabot.nix
   ./services/networking/libreswan.nix
   ./services/networking/mailpile.nix
+  ./services/networking/mjpg-streamer.nix
   ./services/networking/minidlna.nix
   ./services/networking/miniupnpd.nix
   ./services/networking/mstpd.nix

nixos/modules/services/networking/mjpg-streamer.nix

···
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.mjpg-streamer;
+
+in {
+
+  options = {
+
+    services.mjpg-streamer = {
+
+      enable = mkEnableOption "mjpg-streamer webcam streamer";
+
+      inputPlugin = mkOption {
+        type = types.str;
+        default = "input_uvc.so";
+        description = ''
+          Input plugin. See plugins documentation for more information.
+        '';
+      };
+
+      outputPlugin = mkOption {
+        type = types.str;
+        default = "output_http.so -w @www@ -n -p 5050";
+        description = ''
+          Output plugin. <literal>@www@</literal> is substituted for default mjpg-streamer www directory.
+          See plugins documentation for more information.
+        '';
+      };
+
+      user = mkOption {
+        type = types.str;
+        default = "mjpg-streamer";
+        description = "mjpg-streamer user name.";
+      };
+
+      group = mkOption {
+        type = types.str;
+        default = "video";
+        description = "mjpg-streamer group name.";
+      };
+
+    };
+
+  };
+
+  config = mkIf cfg.enable {
+
+    users.extraUsers = optional (cfg.user == "mjpg-streamer") {
+      name = "mjpg-streamer";
+      uid = config.ids.uids.mjpg-streamer;
+      group = cfg.group;
+    };
+
+    systemd.services.mjpg-streamer = {
+      description = "mjpg-streamer webcam streamer";
+      wantedBy = [ "multi-user.target" ];
+
+      serviceConfig.User = cfg.user;
+      serviceConfig.Group = cfg.group;
+
+      script = ''
+        IPLUGIN="${cfg.inputPlugin}"
+        OPLUGIN="${cfg.outputPlugin}"
+        OPLUGIN="''${OPLUGIN//@www@/${pkgs.mjpg-streamer}/share/mjpg-streamer/www}"
+        exec ${pkgs.mjpg-streamer}/bin/mjpg_streamer -i "$IPLUGIN" -o "$OPLUGIN"
+      '';
+    };
+
+  };
+
+}

pkgs/applications/video/mjpg-streamer/default.nix

···
-{stdenv, fetchsvn, pkgconfig, libjpeg, imagemagick, libv4l}:
+{ stdenv, fetchFromGitHub, cmake, libjpeg }:
 
 stdenv.mkDerivation rec {
-  rev = "182";
-  name = "mjpg-streamer-${rev}";
+  name = "mjpg-streamer-${version}";
+  version = "2016-03-08";
 
-  src = fetchsvn {
-    url = https://mjpg-streamer.svn.sourceforge.net/svnroot/mjpg-streamer/mjpg-streamer;
-    inherit rev;
-    sha256 = "008k2wk6xagprbiwk8fvzbz4dd6i8kzrr9n62gj5i1zdv7zcb16q";
+  src = fetchFromGitHub {
+    owner = "jacksonliam";
+    repo = "mjpg-streamer";
+    rev = "4060cb64e3557037fd404d10e1c1d076b672e9e8";
+    sha256 = "0g7y832jsz4ylmq9qp2l4fq6bm8l6dhsbi60fr5jfqpx4l0pia8m";
   };
 
-  patchPhase = ''
-    substituteInPlace Makefile "make -C plugins\/input_gspcav1" "# make -C plugins\/input_gspcav1"
-    substituteInPlace Makefile "cp plugins\/input_gspcav1\/input_gspcav1.so" "# cp plugins\/input_gspcav1\/input_gspcav1.so"
+  prePatch = ''
+    cd mjpg-streamer-experimental
   '';
 
-  postFixup = ''
-    patchelf --set-rpath "$(patchelf --print-rpath $out/bin/mjpg_streamer):$out/lib:$out/lib/plugins" $out/bin/mjpg_streamer
-  '';
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ libjpeg ];
 
-  makeFlags = "DESTDIR=$(out)";
-
-  preInstall = ''
-    mkdir -p $out/{bin,lib}
+  postFixup = ''
+    patchelf --set-rpath "$(patchelf --print-rpath $out/bin/mjpg_streamer):$out/lib/mjpg-streamer" $out/bin/mjpg_streamer
   '';
 
-  buildInputs = [ pkgconfig libjpeg imagemagick libv4l ];
-  
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://sourceforge.net/projects/mjpg-streamer/;
     description = "MJPG-streamer takes JPGs from Linux-UVC compatible webcams, filesystem or other input plugins and streams them as M-JPEG via HTTP to webbrowsers, VLC and other software";
+    platforms = platforms.linux;
+    licenses = licenses.gpl2;
   };
 }