nixpkgs/pkgs/development/libraries/lpcnetfreedv/default.nix

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{ 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 ];
};
}