LPCNet: init at 0.5

{

  lib,

  stdenv,

  fetchFromGitHub,

  fetchurl,

  cmake,

  codec2,

  # for tests

  octave,

}:

stdenv.mkDerivation (finalAttrs: {

  pname = "LPCNet";

  version = "0.5";

  src = fetchFromGitHub {

    owner = "drowe67";

    repo = "LPCNet";

    rev = "v${finalAttrs.version}";

    hash = "sha256-tHZLKXmuM86A6OpfS3CRRjhFbqj1Q/w1w56msdgLHb0=";

  };

  passthru = {

    # Prebuilt neural network model that is needed during the build - can be overrwritten

    nnmodel = fetchurl {

      url = "http://rowetel.com/downloads/deep/lpcnet_191005_v1.0.tgz";

      hash = "sha256-UJRAkkdR/dh/+qVoPuPd3ZN69cgzuRBMzOZdUWFJJsg=";

    };

  };

  preConfigure = ''

    mkdir build

    cp \

      ${finalAttrs.finalPackage.passthru.nnmodel} \

      build/${finalAttrs.finalPackage.passthru.nnmodel.name}

  '';

  prePatch = ''

    patchShebangs *.sh unittest/*.sh

  '';

  nativeBuildInputs = [ cmake ];

  buildInputs = [ codec2 ];

  nativeCheckInputs = [ octave ];

  doCheck = true;

  preCheck = ''

    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}/build/source/build/src"

  '';

  meta = with lib; {

    description = "Experimental Neural Net speech coding for FreeDV";

    homepage = "https://github.com/drowe67/LPCNet";

    license = licenses.bsd3;

    maintainers = with maintainers; [ doronbehar ];

    platforms = platforms.all;

  };

})