Add new port: libtwolame - MPEG Audio Layer 2 encoder for broadcast-quality audio (#51728)

Co-authored-by: Kai Pastor <dg0yt@darc.de>
Co-authored-by: Victor Romero <romerosanchezv@gmail.com>

ports/libtwolame/patches/001-fix-tl-api-export.patch

@@ -0,0 +1,11 @@
+--- a/libtwolame/twolame.h
++++ b/libtwolame/twolame.h
+@@ -263,7 +263,7 @@
+  *  \return                The number of bytes put in output buffer
+  *                         or a negative value on error
+  */
+-int twolame_encode_buffer_float32_interleaved(twolame_options * glopts,
++TL_API int twolame_encode_buffer_float32_interleaved(twolame_options * glopts,
+         const float pcm[],
+         int num_samples,
+         unsigned char *mp2buffer, int mp2buffer_size);

ports/libtwolame/patches/002-disable-doc-subdir.patch

@@ -0,0 +1,25 @@
+diff --git a/Makefile.am b/Makefile.am
+index 6504bf7..a00cb6d 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -1,6 +1,6 @@
+ ACLOCAL_AMFLAGS = -I build-scripts
+ 
+-SUBDIRS = . libtwolame frontend simplefrontend doc tests
++SUBDIRS = . libtwolame frontend simplefrontend tests
+ 
+ pkgconfigdir = $(libdir)/pkgconfig
+ pkgconfig_DATA = twolame.pc
+@@ -23,11 +23,7 @@ ChangeLog:
+ 	[ -d .git ] && git log > ChangeLog || true
+ 
+ pkgdocdir = @docdir@
+-pkgdoc_DATA = \
+-	AUTHORS \
+-	COPYING \
+-	README \
+-	NEWS
++pkgdoc_DATA =
+ 
+ EXTRA_DIST = \
+ 	$(pkgdoc_DATA) \

ports/libtwolame/patches/003-fix-kr-declaration.patch

@@ -0,0 +1,14 @@
+--- a/libtwolame/psycho_2.c
++++ b/libtwolame/psycho_2.c
+@@ -54,10 +54,7 @@
+                                 4.5, 4.5, 4.5, 3.5, 3.5, 3.5
+                               };
+ 
+-static void psycho_2_read_absthr(absthr, table)
+-FLOAT *absthr;
+-int table;
+-{
++static void psycho_2_read_absthr(FLOAT *absthr, int table) {
+     int j;
+ #include "psycho_2_absthr.h"
+ 

ports/libtwolame/patches/004-fix-frontend-msvc.patch

@@ -0,0 +1,17 @@
+--- a/frontend/frontend.c
++++ b/frontend/frontend.c
+@@ -20,7 +20,14 @@
+ 
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
++
++#ifdef HAVE_CONFIG_H
++#include "config.h"
++#endif
++
++#ifdef HAVE_UNISTD_H
+ #include <unistd.h>
++#endif
+ #include <getopt.h>
+ 

ports/libtwolame/patches/005-fix-pc-in-case.patch

@@ -0,0 +1,13 @@
+diff --git a/twolame.pc.in b/twolame.pc.in
+index 0395b69..882c984 100644
+--- a/twolame.pc.in
++++ b/twolame.pc.in
+@@ -8,6 +8,6 @@ Description: An optimized MPEG Audio Layer 2 encoder
+ Requires:
+ Version: @VERSION@
+ Libs: -L${libdir} -ltwolame
+-Libs.Private: @LIBS@
++Libs.private: @LIBS@
+ Cflags: -I${includedir}
+ Cflags.private: -DLIBTWOLAME_STATIC
+ 

ports/libtwolame/portfile.cmake

@@ -0,0 +1,40 @@
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO njh/twolame
+    REF "${VERSION}"
+    SHA512 9a0d3ef430ca93b561caa7e56fe60c126135b1c36294a280fa21699402b3922a3992035f3d421f3bbe131cdc04459cc907059dfe0c2f512427f305fe3936e54d
+    HEAD_REF main
+    PATCHES
+        patches/001-fix-tl-api-export.patch
+        patches/002-disable-doc-subdir.patch
+        patches/003-fix-kr-declaration.patch
+        patches/004-fix-frontend-msvc.patch
+        patches/005-fix-pc-in-case.patch
+)
+
+set(options "")
+if("tool" IN_LIST FEATURES)
+    list(APPEND options "--enable-sndfile")
+    if(VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
+        list(APPEND options "LIBS=\$LIBS -lgetopt")
+    endif()
+else()
+    list(APPEND options "--disable-sndfile")
+endif()
+
+vcpkg_configure_make(
+    SOURCE_PATH "${SOURCE_PATH}"
+    AUTOCONFIG
+    OPTIONS
+        ${options}
+)
+
+vcpkg_install_make()
+vcpkg_fixup_pkgconfig()
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/tools")
+
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/COPYING")
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")

ports/libtwolame/usage

@@ -0,0 +1,6 @@
+The package libtwolame can be imported via CMake FindPkgConfig module:
+
+    find_package(PkgConfig REQUIRED)
+    pkg_check_modules(twolame REQUIRED IMPORTED_TARGET twolame)
+    target_link_libraries(main PkgConfig::twolame)
+    

ports/libtwolame/vcpkg.json

@@ -0,0 +1,19 @@
+{
+  "name": "libtwolame",
+  "version": "0.4.0",
+  "description": "TwoLAME is an optimised MPEG Audio Layer 2 (MP2) encoder",
+  "homepage": "https://www.twolame.org",
+  "license": "LGPL-2.1-or-later",
+  "features": {
+    "tool": {
+      "description": "Build the twolame command-line frontend",
+      "dependencies": [
+        {
+          "name": "getopt-win32",
+          "platform": "windows & !mingw"
+        },
+        "libsndfile"
+      ]
+    }
+  }
+}

versions/baseline.json

@@ -5768,6 +5768,10 @@
       "baseline": "1.4.0",
       "port-version": 0
     },
+    "libtwolame": {
+      "baseline": "0.4.0",
+      "port-version": 0
+    },
     "libu2f-server": {
       "baseline": "1.1.0",
       "port-version": 6

versions/l-/libtwolame.json

@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "e00ea4eb67bd8ad572b6883e178aed7856a5f68b",
+      "version": "0.4.0",
+      "port-version": 0
+    }
+  ]
+}