feat(3p/nsfv): Add derivation for NSFV r/1079

This is a real-time noise suppression plugin for pulseaudio. I want to
cancel other people's noise with this.

Change-Id: Ia3031435e0db35eb80b626ab60d7a62b892d295d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/576
Reviewed-by: Kane York <rikingcoding@gmail.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/third_party/nsfv/default.nix b/third_party/nsfv/default.nix
new file mode 100644
index 0000000000..26d5488c42
--- /dev/null
+++ b/third_party/nsfv/default.nix
@@ -0,0 +1,23 @@
+# Real-time Noise Suppression Plugin (for PulseAudio).
+#
+# This should be invoked as a "ladspa" plugin for pulseaudio.
+#
+# https://github.com/werman/noise-suppression-for-voice
+{ pkgs, lib, ... }:
+
+pkgs.stdenv.mkDerivation {
+  name = "noise-suppression-for-voice";
+
+  nativeBuildInputs = [ pkgs.cmake ];
+  src = pkgs.fetchFromGitHub {
+    owner = "werman";
+    repo = "noise-suppression-for-voice";
+    rev = "cd5c79378ab9819cd85f4fd108f3c77a40fd66ac";
+    sha256 = "10zh1al1bys60sjdd4p72qbp9jfb5wq1zaw33b595psgwmqpbckq";
+  };
+
+  meta = with lib; {
+    description = "Real-time noise suppression LADSPA plugin";
+    license = licenses.gpl3;
+  };
+}