From 1031932821dc4a19c1e0ffdb31f931aa52475128 Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Sat, 23 Jan 2021 10:26:07 +0100
Subject: [PATCH] vapoursynthPlugins.placebo: init at 1.3.1

---
 default.nix                 |  1 +
 plugins/placebo/default.nix | 42 +++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 plugins/placebo/default.nix

diff --git a/default.nix b/default.nix
index 59be610..853f610 100644
--- a/default.nix
+++ b/default.nix
@@ -22,6 +22,7 @@ self: super: {
     mvtools = super.vapoursynth-mvtools;
     nnedi3 = super.callPackage ./plugins/nnedi3 { };
     nnedi3cl = super.callPackage ./plugins/nnedi3cl { };
+    placebo = super.callPackage ./plugins/placebo { };
     retinex = super.callPackage ./plugins/retinex { };
     sangnom = super.callPackage ./plugins/sangnom { };
     tcanny = super.callPackage ./plugins/tcanny { };
diff --git a/plugins/placebo/default.nix b/plugins/placebo/default.nix
new file mode 100644
index 0000000..116db0d
--- /dev/null
+++ b/plugins/placebo/default.nix
@@ -0,0 +1,42 @@
+{ lib, stdenv, fetchFromGitHub, fetchpatch, meson, ninja, pkg-config, libplacebo, vapoursynth, vulkan-headers, vulkan-loader }:
+
+stdenv.mkDerivation rec {
+  pname = "vs-placebo";
+  version = "1.3.1";
+
+  src = fetchFromGitHub {
+    owner = "Lypheo";
+    repo = pname;
+    rev = version;
+    sha256 = "079i4ixm6273gy9x80ij7s645v5bm53vczkky5lg4vls5sk00hk2";
+    fetchSubmodules = true;
+  };
+
+  patches = [
+    # fix build with newer libplacebo
+    (fetchpatch {
+      url = "https://github.com/Lypheo/vs-placebo/commit/d717bb49ce03ea9d67152a7c2e4df026de040c35.diff";
+      sha256 = "0phnhpv7alxyw4ki3kj3a19j8qv16hww6gz06lyiyabj20xqibri";
+    })
+    (fetchpatch {
+      url = "https://github.com/Lypheo/vs-placebo/commit/6a99aa1c427f9119d695d3e9d1a08782f51740d1.diff";
+      sha256 = "1x7by89vc0368p4baqlyqi5kw38plr024g4kxbr6afg4f8q4rl58";
+    })
+  ];
+
+  nativeBuildInputs = [ meson ninja pkg-config ];
+  buildInputs = [ libplacebo vapoursynth vulkan-headers vulkan-loader ];
+
+  postPatch = ''
+    substituteInPlace meson.build \
+        --replace "vapoursynth_dep.get_pkgconfig_variable('libdir')" "get_option('libdir')"
+  '';
+
+  meta = with lib; {
+    description = "A libplacebo-based debanding, scaling and color mapping plugin for VapourSynth";
+    homepage = "https://github.com/Lypheo/vs-placebo";
+    license = licenses.lgpl21Only;
+    maintainers = with maintainers; [ sbruder ];
+    platforms = platforms.all;
+  };
+}