1{
2 lib,
3 stdenv,
4 fetchFromGitHub,
5 gst_all_1,
6 pkg-config,
7 meson,
8 ninja,
9 obs-studio,
10}:
11
12stdenv.mkDerivation rec {
13 pname = "obs-gstreamer";
14 version = "0.4.1";
15
16 src = fetchFromGitHub {
17 owner = "fzwoch";
18 repo = pname;
19 rev = "v${version}";
20 hash = "sha256-23LyxN1Vgol9uA7rDdfZXcmfhG4l0RfMYGbofbhObBE=";
21 };
22
23 postPatch = ''
24 substituteInPlace meson.build \
25 --replace-fail "'git', 'rev-parse', '--short', 'HEAD'" "'echo', '${version}'"
26 '';
27
28 nativeBuildInputs = [
29 pkg-config
30 meson
31 ninja
32 ];
33 buildInputs = with gst_all_1; [
34 gstreamer
35 gst-plugins-base
36 obs-studio
37 ];
38
39 # - We need "getLib" instead of default derivation, otherwise it brings gstreamer-bin;
40 # - without gst-plugins-base it won't even show proper errors in logs;
41 # - Without gst-plugins-bad it won't find element "h264parse";
42 # - gst-plugins-ugly adds "x264" to "Encoder type";
43 # Tip: "could not link appsrc to videoconvert1" can mean a lot of things, enable GST_DEBUG=2 for help.
44 passthru.obsWrapperArguments =
45 let
46 gstreamerHook =
47 package: "--prefix GST_PLUGIN_SYSTEM_PATH_1_0 : ${lib.getLib package}/lib/gstreamer-1.0";
48 in
49 with gst_all_1;
50 builtins.map gstreamerHook [
51 gstreamer
52 gst-plugins-base
53 gst-plugins-bad
54 gst-plugins-ugly
55 ];
56
57 # Fix output directory
58 postInstall = ''
59 mkdir $out/lib/obs-plugins
60 mv $out/lib/obs-gstreamer.so $out/lib/obs-plugins/
61 '';
62
63 meta = with lib; {
64 description = "OBS Studio source, encoder and video filter plugin to use GStreamer elements/pipelines in OBS Studio";
65 homepage = "https://github.com/fzwoch/obs-gstreamer";
66 maintainers = with maintainers; [
67 ahuzik
68 pedrohlc
69 ];
70 license = licenses.gpl2Plus;
71 platforms = platforms.linux;
72 };
73}