added SwiftPM package + some minor reorg

.gitignore

@@ -0,0 +1,23 @@
+.DS_Store
+/.build
+/Packages
+xcuserdata/
+DerivedData/
+.swiftpm/configuration/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc
+*.cache
+m4/
+aclocal.m4
+compile
+config.guess
+config.h.in
+config.sub
+configure
+depcomp
+install-sh
+ltmain.sh
+Makefile.in
+missing
+package_version
+

Package.swift

@@ -0,0 +1,66 @@
+// swift-tools-version: 5.6
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "rnnoise",
+    products: [
+        .library(
+            name: "librnnoise",
+            targets: ["rnnoise"]
+		),
+		.library(
+			name: "dylibrnnoise",
+			type: .dynamic,
+			targets: ["rnnoise"]
+		),
+		.library(
+			name: "librnn_vad",
+			type: .static,
+			targets: ["rnn_vad"]
+		),
+		.library(
+			name: "dylibrnn_vad",
+			type: .dynamic,
+			targets: ["rnn_vad"]
+		),
+    ],
+    targets: [
+		.target(
+			name: "rnn_vad",
+			path: "./",
+			sources: [
+				"src/rnn_vad_weights.cc",
+			],
+			publicHeadersPath: "include_rnn_vad",
+			cSettings: [
+				.headerSearchPath("include_rnn_vad/rnn_vad")
+			]
+		),
+        .target(
+            name: "rnnoise",
+			dependencies: [
+				"rnn_vad"
+			],
+			path: "./",
+			sources: [
+				"src/celt_lpc.c",
+				"src/denoise.c",
+				"src/kiss_fft.c",
+				"src/pitch.c",
+				"src/rnn.c",
+				"src/rnn_data.c",
+				"src/rnn_reader.c",
+			],
+			publicHeadersPath: "include/",
+			cSettings: [
+				.headerSearchPath("src/"),
+				.headerSearchPath("config/"),
+				.define("HAVE_CONFIG_H")
+			]
+		),
+	],
+	cLanguageStandard: .gnu11,
+	cxxLanguageStandard: .gnucxx20
+)

config/config.h

@@ -0,0 +1,181 @@
+/* config.h.  Generated from config.h.in by configure.  */
+/* config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the <minix/config.h> header file. */
+/* #undef HAVE_MINIX_CONFIG_H */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the <wchar.h> header file. */
+#define HAVE_WCHAR_H 1
+
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
+#define LT_OBJDIR ".libs/"
+
+/* Enable assertions in code */
+/* #undef OP_ENABLE_ASSERTIONS */
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "[email protected]"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "rnnoise"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "rnnoise unknown"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "rnnoise"
+
+/* Define to the home page for this package. */
+#define PACKAGE_URL ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "unknown"
+
+/* This is a build of the library */
+#define RNNOISE_BUILD /**/
+
+/* Define to 1 if all of the C90 standard headers exist (not just the ones
+   required in a freestanding environment). This macro is provided for
+   backward compatibility; new code need not use it. */
+#define STDC_HEADERS 1
+
+/* Define this if the compiler supports __attribute__((
+   ifelse([visibility("default")], , [visibility_default],
+   [visibility("default")]) )) */
+#define SUPPORT_ATTRIBUTE_VISIBILITY_DEFAULT 1
+
+/* Define this if the compiler supports the -fvisibility flag */
+#define SUPPORT_FLAG_VISIBILITY 1
+
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# define _ALL_SOURCE 1
+#endif
+/* Enable general extensions on macOS.  */
+#ifndef _DARWIN_C_SOURCE
+# define _DARWIN_C_SOURCE 1
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# define __EXTENSIONS__ 1
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+/* Enable X/Open compliant socket functions that do not require linking
+   with -lxnet on HP-UX 11.11.  */
+#ifndef _HPUX_ALT_XOPEN_SOCKET_API
+# define _HPUX_ALT_XOPEN_SOCKET_API 1
+#endif
+/* Identify the host operating system as Minix.
+   This macro does not affect the system headers' behavior.
+   A future release of Autoconf may stop defining this macro.  */
+#ifndef _MINIX
+/* # undef _MINIX */
+#endif
+/* Enable general extensions on NetBSD.
+   Enable NetBSD compatibility extensions on Minix.  */
+#ifndef _NETBSD_SOURCE
+# define _NETBSD_SOURCE 1
+#endif
+/* Enable OpenBSD compatibility extensions on NetBSD.
+   Oddly enough, this does nothing on OpenBSD.  */
+#ifndef _OPENBSD_SOURCE
+# define _OPENBSD_SOURCE 1
+#endif
+/* Define to 1 if needed for POSIX-compatible behavior.  */
+#ifndef _POSIX_SOURCE
+/* # undef _POSIX_SOURCE */
+#endif
+/* Define to 2 if needed for POSIX-compatible behavior.  */
+#ifndef _POSIX_1_SOURCE
+/* # undef _POSIX_1_SOURCE */
+#endif
+/* Enable POSIX-compatible threading on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# define _POSIX_PTHREAD_SEMANTICS 1
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-5:2014.  */
+#ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
+# define __STDC_WANT_IEC_60559_ATTRIBS_EXT__ 1
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-1:2014.  */
+#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
+# define __STDC_WANT_IEC_60559_BFP_EXT__ 1
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-2:2015.  */
+#ifndef __STDC_WANT_IEC_60559_DFP_EXT__
+# define __STDC_WANT_IEC_60559_DFP_EXT__ 1
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-4:2015.  */
+#ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__
+# define __STDC_WANT_IEC_60559_FUNCS_EXT__ 1
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-3:2015.  */
+#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
+# define __STDC_WANT_IEC_60559_TYPES_EXT__ 1
+#endif
+/* Enable extensions specified by ISO/IEC TR 24731-2:2010.  */
+#ifndef __STDC_WANT_LIB_EXT2__
+# define __STDC_WANT_LIB_EXT2__ 1
+#endif
+/* Enable extensions specified by ISO/IEC 24747:2009.  */
+#ifndef __STDC_WANT_MATH_SPEC_FUNCS__
+# define __STDC_WANT_MATH_SPEC_FUNCS__ 1
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# define _TANDEM_SOURCE 1
+#endif
+/* Enable X/Open extensions.  Define to 500 only if necessary
+   to make mbstate_t available.  */
+#ifndef _XOPEN_SOURCE
+/* # undef _XOPEN_SOURCE */
+#endif
+
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+/* #undef _FILE_OFFSET_BITS */
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* We need at least WindowsXP for getaddrinfo/freeaddrinfo */
+/* #undef _WIN32_WINNT */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif

include_rnn_vad/rnn_vad/rnn_activations.h

@@ -0,0 +1,102 @@
+/* Copyright (c) 2008-2011 Octasic Inc.
+                 2012-2017 Jean-Marc Valin */
+/*
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+
+   - Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+   - Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef THIRD_PARTY_RNNOISE_SRC_RNN_ACTIVATIONS_H_
+#define THIRD_PARTY_RNNOISE_SRC_RNN_ACTIVATIONS_H_
+
+#include <cmath>
+
+namespace rnnoise {
+
+inline float TansigApproximated(float x) {
+  static constexpr float kTansigTable[201] = {
+      0.000000f, 0.039979f, 0.079830f, 0.119427f, 0.158649f, 0.197375f,
+      0.235496f, 0.272905f, 0.309507f, 0.345214f, 0.379949f, 0.413644f,
+      0.446244f, 0.477700f, 0.507977f, 0.537050f, 0.564900f, 0.591519f,
+      0.616909f, 0.641077f, 0.664037f, 0.685809f, 0.706419f, 0.725897f,
+      0.744277f, 0.761594f, 0.777888f, 0.793199f, 0.807569f, 0.821040f,
+      0.833655f, 0.845456f, 0.856485f, 0.866784f, 0.876393f, 0.885352f,
+      0.893698f, 0.901468f, 0.908698f, 0.915420f, 0.921669f, 0.927473f,
+      0.932862f, 0.937863f, 0.942503f, 0.946806f, 0.950795f, 0.954492f,
+      0.957917f, 0.961090f, 0.964028f, 0.966747f, 0.969265f, 0.971594f,
+      0.973749f, 0.975743f, 0.977587f, 0.979293f, 0.980869f, 0.982327f,
+      0.983675f, 0.984921f, 0.986072f, 0.987136f, 0.988119f, 0.989027f,
+      0.989867f, 0.990642f, 0.991359f, 0.992020f, 0.992631f, 0.993196f,
+      0.993718f, 0.994199f, 0.994644f, 0.995055f, 0.995434f, 0.995784f,
+      0.996108f, 0.996407f, 0.996682f, 0.996937f, 0.997172f, 0.997389f,
+      0.997590f, 0.997775f, 0.997946f, 0.998104f, 0.998249f, 0.998384f,
+      0.998508f, 0.998623f, 0.998728f, 0.998826f, 0.998916f, 0.999000f,
+      0.999076f, 0.999147f, 0.999213f, 0.999273f, 0.999329f, 0.999381f,
+      0.999428f, 0.999472f, 0.999513f, 0.999550f, 0.999585f, 0.999617f,
+      0.999646f, 0.999673f, 0.999699f, 0.999722f, 0.999743f, 0.999763f,
+      0.999781f, 0.999798f, 0.999813f, 0.999828f, 0.999841f, 0.999853f,
+      0.999865f, 0.999875f, 0.999885f, 0.999893f, 0.999902f, 0.999909f,
+      0.999916f, 0.999923f, 0.999929f, 0.999934f, 0.999939f, 0.999944f,
+      0.999948f, 0.999952f, 0.999956f, 0.999959f, 0.999962f, 0.999965f,
+      0.999968f, 0.999970f, 0.999973f, 0.999975f, 0.999977f, 0.999978f,
+      0.999980f, 0.999982f, 0.999983f, 0.999984f, 0.999986f, 0.999987f,
+      0.999988f, 0.999989f, 0.999990f, 0.999990f, 0.999991f, 0.999992f,
+      0.999992f, 0.999993f, 0.999994f, 0.999994f, 0.999994f, 0.999995f,
+      0.999995f, 0.999996f, 0.999996f, 0.999996f, 0.999997f, 0.999997f,
+      0.999997f, 0.999997f, 0.999997f, 0.999998f, 0.999998f, 0.999998f,
+      0.999998f, 0.999998f, 0.999998f, 0.999999f, 0.999999f, 0.999999f,
+      0.999999f, 0.999999f, 0.999999f, 0.999999f, 0.999999f, 0.999999f,
+      0.999999f, 0.999999f, 0.999999f, 0.999999f, 1.000000f, 1.000000f,
+      1.000000f, 1.000000f, 1.000000f, 1.000000f, 1.000000f, 1.000000f,
+      1.000000f, 1.000000f, 1.000000f,
+  };
+
+  // Tests are reversed to catch NaNs.
+  if (!(x < 8.f))
+    return 1.f;
+  if (!(x > -8.f))
+    return -1.f;
+  float sign = 1.f;
+  if (x < 0.f) {
+    x = -x;
+    sign = -1.f;
+  }
+  // Look-up.
+  int i = static_cast<int>(std::floor(0.5f + 25 * x));
+  float y = kTansigTable[i];
+  // Map i back to x's scale (undo 25 factor).
+  x -= 0.04f * i;
+  y = y + x * (1.f - y * y) * (1.f - y * x);
+  return sign * y;
+}
+
+inline float SigmoidApproximated(const float x) {
+  return 0.5f + 0.5f * TansigApproximated(0.5f * x);
+}
+
+inline float RectifiedLinearUnit(const float x) {
+  return x < 0.f ? 0.f : x;
+}
+
+}  // namespace rnnoise
+
+#endif  // THIRD_PARTY_RNNOISE_SRC_RNN_ACTIVATIONS_H_