From 32e10ca78a4594eacdaa83dca9bb1263bc30809f Mon Sep 17 00:00:00 2001
From: Mikael Voss <mvs@nyantec.com>
Date: Fri, 24 Sep 2021 00:15:29 +0200
Subject: [PATCH] lpcfreenetdv: init at unstable-2021-06-29

---
 .../libraries/lpcnetfreedv/default.nix        | 34 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 2 files changed, 36 insertions(+)
 create mode 100644 pkgs/development/libraries/lpcnetfreedv/default.nix

diff --git a/pkgs/development/libraries/lpcnetfreedv/default.nix b/pkgs/development/libraries/lpcnetfreedv/default.nix
new file mode 100644
index 00000000000..ac12d3a5fd6
--- /dev/null
+++ b/pkgs/development/libraries/lpcnetfreedv/default.nix
@@ -0,0 +1,34 @@
+{ lib, stdenv, fetchFromGitHub, fetchurl, cmake, codec2 }:
+
+let
+  dataVersion = "191005_v1.0";
+  data = fetchurl {
+    url = "http://rowetel.com/downloads/deep/lpcnet_${dataVersion}.tgz";
+    sha256 = "1j1695hm2pg6ri611f9kr3spm4yxvpikws55z9zxizai8y94152h";
+  };
+in stdenv.mkDerivation rec {
+  pname = "lpcnetfreedv";
+  version = "unstable-2021-06-29";
+
+  src = fetchFromGitHub {
+    owner = "drowe67";
+    repo = "LPCNet";
+    rev = "0dc5935bbf49ff3ba3c9654cc2f802838ebbaead";
+    sha256 = "0r6488z40fkar11ync8achpg5l6qz7y7cbh7cs3b3w4fsxn58q9i";
+  };
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ codec2 ];
+
+  postPatch = ''
+    mkdir build
+    ln -s ${data} build/lpcnet_${dataVersion}.tgz
+  '';
+
+  meta = with lib; {
+    homepage = "https://freedv.org/";
+    description = "Experimental Neural Net speech coding for FreeDV";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ mvs ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b022361f275..24fbba49a91 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6792,6 +6792,8 @@ with pkgs;
 
   lottieconverter = callPackage ../tools/misc/lottieconverter { };
 
+  lpcnetfreedv = callPackage ../development/libraries/lpcnetfreedv { };
+
   lsd = callPackage ../tools/misc/lsd { };
 
   lsdvd = callPackage ../tools/cd-dvd/lsdvd {};