RTP: decode iLBC payload

It is possible to decode iLBC payload. It uses libilbc library (https://github.com/TimothyGu/libilbc).

Bug: 16314
Change-Id: Id4cad7ae32305a0e94ef32beb24e07733d7f834e
Reviewed-on: https://code.wireshark.org/review/35686
Reviewed-by: João Valverde <j@v6e.pt>
Petri-Dish: Pascal Quantin <pascal@wireshark.org>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>

CMakeLists.txt

@@ -1154,6 +1154,8 @@ ws_find_package(SPANDSP ENABLE_SPANDSP HAVE_SPANDSP)
 
 ws_find_package(BCG729 ENABLE_BCG729 HAVE_BCG729)
 
+ws_find_package(ILBC ENABLE_ILBC HAVE_ILBC)
+
 # CMake 3.9 and below used 'LIBXML2_LIBRARIES' as the name of the cache entry
 # storing the find_library result. Transfer it to the new cache variable such
 # that reset_find_package can detect and clear outdated cache variables.
@@ -1467,6 +1469,11 @@ if(ENABLE_PLUGINS)
 			plugins/codecs/G729
 		)
 	endif()
+	if(ILBC_FOUND)
+		list(APPEND PLUGIN_SRC_DIRS
+			plugins/codecs/iLBC
+		)
+	endif()
 	if(SBC_FOUND)
 		list(APPEND PLUGIN_SRC_DIRS
 			plugins/codecs/sbc
@@ -1580,6 +1587,11 @@ set_package_properties(BCG729 PROPERTIES
 	URL "https://www.linphone.org/technical-corner/bcg729/overview"
 	PURPOSE "Support for G.729 codec in RTP player"
 )
+set_package_properties(ILBC PROPERTIES
+	DESCRIPTION "iLBC decoder"
+	URL "https://github.com/TimothyGu/libilbc"
+	PURPOSE "Support for iLBC codec in RTP player"
+)
 set_package_properties(LIBXML2 PROPERTIES
 	DESCRIPTION "XML parsing library"
 	URL "http://xmlsoft.org/"
@@ -1846,6 +1858,9 @@ if(WIN32)
 	if (BCG729_FOUND)
 		list (APPEND OPTIONAL_DLLS "${BCG729_DLL_DIR}/${BCG729_DLL}")
 	endif(BCG729_FOUND)
+	if (ILBC_FOUND)
+		list (APPEND OPTIONAL_DLLS "${ILBC_DLL_DIR}/${ILBC_DLL}")
+	endif(ILBC_FOUND)
 	if (LIBXML2_FOUND)
 		foreach( _dll ${LIBXML2_DLLS} )
 			list (APPEND OPTIONAL_DLLS "${LIBXML2_DLL_DIR}/${_dll}")
@@ -2975,6 +2990,9 @@ if(RPMBUILD_EXECUTABLE)
 	if (BCG729_FOUND)
 		list(APPEND _rpmbuild_with_args --with bcg729)
 	endif()
+	if (ILBC_FOUND)
+		list(APPEND _rpmbuild_with_args --with ilbc)
+	endif()
 	if (LIBXML2_FOUND)
 		list(APPEND _rpmbuild_with_args --with libxml2)
 	endif()

CMakeOptions.txt

@@ -92,6 +92,7 @@ option(ENABLE_KERBEROS   "Build with Kerberos support" ON)
 option(ENABLE_SBC        "Build with SBC Codec support in RTP Player" ON)
 option(ENABLE_SPANDSP    "Build with G.722/G.726 codecs support in RTP Player" ON)
 option(ENABLE_BCG729     "Build with G.729 codec support in RTP Player" ON)
+option(ENABLE_ILBC       "Build with iLBC codec support in RTP Player" ON)
 option(ENABLE_LIBXML2    "Build with libxml2 support" ON)
 
 # How to install

cmake/modules/FindILBC.cmake

@@ -0,0 +1,77 @@
+# Find the system's ilbc includes and library
+#
+#  ILBC_INCLUDE_DIRS - where to find ilbc.h
+#  ILBC_LIBRARIES    - List of libraries when using ilbc
+#  ILBC_FOUND        - True if ilbc found
+#  ILBC_DLL_DIR      - (Windows) Path to the ilbc DLL
+#  ILBC_DLL          - (Windows) Name of the ilbc DLL
+
+include( FindWSWinLibs )
+FindWSWinLibs( "libilbc-.*" "ILBC_HINTS" )
+
+if (NOT WIN32)
+  find_package(PkgConfig)
+  pkg_search_module(PC_ILBC libilbc)
+endif()
+
+find_path(ILBC_INCLUDE_DIR
+  NAMES ilbc.h
+  HINTS
+    "${PC_ILBC_INCLUDE_DIRS}"
+    "${ILBC_HINTS}/include"
+  PATHS /usr/local/include /usr/include
+)
+
+find_library(ILBC_LIBRARY
+  NAMES
+    ilbc
+    libilbc
+  HINTS
+    "${PC_ILBC_LIBRARY_DIRS}"
+    "${ILBC_HINTS}/lib"
+  PATHS /usr/local/lib /usr/lib
+)
+
+# Check if ilbc library is WebRTC from https://github.com/TimothyGu/libilbc
+if(ILBC_INCLUDE_DIR AND ILBC_LIBRARY)
+  include(CheckSymbolExists)
+  cmake_push_check_state()
+  set(CMAKE_REQUIRED_INCLUDES ${ILBC_INCLUDE_DIR})
+  set(CMAKE_REQUIRED_LIBRARIES ${ILBC_LIBRARY})
+  check_symbol_exists("WebRtcIlbcfix_DecoderCreate" "ilbc.h" HAVE_ILBC_LIB_WEBRTC)
+  cmake_pop_check_state()
+
+  if(NOT HAVE_ILBC_LIB_WEBRTC)
+    message(STATUS "Ignoring incompatible iLBC library.")
+    # Unset the variables so the search will rerun next time
+    set(ILBC_INCLUDE_DIR "ILBC_INCLUDE_DIR-NOTFOUND" CACHE PATH "" FORCE)
+    set(ILBC_LIBRARY "ILBC_LIBRARY-NOTFOUND" CACHE FILEPATH "" FORCE)
+    unset(HAVE_ILBC_LIB_WEBRTC CACHE)
+  endif()
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(iLBC DEFAULT_MSG ILBC_LIBRARY ILBC_INCLUDE_DIR)
+
+if( ILBC_FOUND )
+  set( ILBC_INCLUDE_DIRS ${ILBC_INCLUDE_DIR} )
+  set( ILBC_LIBRARIES ${ILBC_LIBRARY} )
+  if (WIN32)
+    set ( ILBC_DLL_DIR "${ILBC_HINTS}/bin"
+      CACHE PATH "Path to ilbc DLL"
+    )
+    file( GLOB _ilbc_dll RELATIVE "${ILBC_DLL_DIR}"
+      "${ILBC_DLL_DIR}/libilbc.dll"
+    )
+    set ( ILBC_DLL ${_ilbc_dll}
+      # We're storing filenames only. Should we use STRING instead?
+      CACHE FILEPATH "ilbc DLL file name"
+    )
+    mark_as_advanced( ILBC_DLL_DIR ILBC_DLL )
+  endif()
+else()
+  set( ILBC_INCLUDE_DIRS )
+  set( ILBC_LIBRARIES )
+endif()
+
+mark_as_advanced( ILBC_LIBRARIES ILBC_INCLUDE_DIRS )

cmakeconfig.h.in

@@ -278,6 +278,9 @@
 /* Define to 1 if you have the bcg729 library. */
 #cmakedefine HAVE_BCG729 1
 
+/* Define to 1 if you have the ilbc library. */
+#cmakedefine HAVE_ILBC 1
+
 /* Define to 1 if you have the speexdsp library. */
 #cmakedefine HAVE_SPEEXDSP 1
 

docbook/release-notes.adoc

@@ -39,6 +39,7 @@ since version 3.2.0:
   the full names of Protobuf fields or messages in Filter toolbar for searching.
 * Dissector based on Protobuf can register itself to a new 'protobuf_field' dissector table,
   which is keyed with the full names of fields, for further parsing fields of BYETS or STRING type.
+* Wireshark is able to decode, play and save iLBC payload on platforms where iLBC library (https://github.com/TimothyGu/libilbc) is available.
 
 // === Removed Features and Support
 

packaging/nsis/CMakeLists.txt

@@ -150,7 +150,7 @@ foreach(_dll ${CARES_DLL} ${GCRYPT_DLLS}
 		${GNUTLS_DLLS} ${KERBEROS_DLLS} ${LIBSSH_DLL} ${LUA_DLL}
 		${LZ4_DLL} ${NGHTTP2_DLL} ${SBC_DLL} ${SMI_DLL} ${SNAPPY_DLL}
 		${SPANDSP_DLL} ${BCG729_DLL} ${LIBXML2_DLLS} ${WINSPARKLE_DLL}
-		${ZLIB_DLL} ${BROTLI_DLLS} ${ZSTD_DLL}
+		${ZLIB_DLL} ${BROTLI_DLLS} ${ZSTD_DLL} ${ILBC_DLL}
 		# Needed for mmdbresolve
 		${MAXMINDDB_DLL}
 	)

packaging/nsis/wireshark.nsi

@@ -1031,6 +1031,7 @@ File "${STAGING_DIR}\plugins\${VERSION_MAJOR}.${VERSION_MINOR}\codecs\g726.dll"
 File "${STAGING_DIR}\plugins\${VERSION_MAJOR}.${VERSION_MINOR}\codecs\g729.dll"
 File "${STAGING_DIR}\plugins\${VERSION_MAJOR}.${VERSION_MINOR}\codecs\l16mono.dll"
 File "${STAGING_DIR}\plugins\${VERSION_MAJOR}.${VERSION_MINOR}\codecs\sbc.dll"
+File "${STAGING_DIR}\plugins\${VERSION_MAJOR}.${VERSION_MINOR}\codecs\ilbc.dll"
 SectionEnd
 
 Section "Configuration Profiles" SecProfiles

packaging/rpm/wireshark.spec.in

@@ -20,6 +20,7 @@
 %bcond_with	guides
 %bcond_with	brotli
 %bcond_with	zstd
+%bcond_with	ilbc
 
 # Set at most one of these two:
 # Note that setcap requires rpmbuild 4.7.0 or later.
@@ -340,6 +341,11 @@ cmake3 \
 %if %{with ninja}
   -G Ninja \
 %endif
+%if %{with ilbc}
+  -DENABLE_ILBC=ON \
+%else
+  -DENABLE_ILBC=OFF \
+%endif
 
 %if %{with ninja}
 # Older RPM-based distributions used ninja-build in order to prevent a collision with
@@ -497,6 +503,9 @@ update-mime-database %{_datadir}/mime &> /dev/null || :
 %{_libdir}/pkgconfig/wireshark.pc
 
 %changelog
+* Sun Jan 19 2019 Jiri Novak
+- Added ilbc codec as an option
+
 * Fri Nov 22 2019 Gerald Combs
 - c-ares is a required package
 

packaging/wix/CMakeLists.txt

@@ -135,7 +135,7 @@ foreach(_dll ${CARES_DLL} ${GCRYPT_DLLS}
 		${GNUTLS_DLLS} ${KERBEROS_DLLS} ${LIBSSH_DLL} ${LUA_DLL}
 		${LZ4_DLL} ${NGHTTP2_DLL} ${SBC_DLL} ${SMI_DLL} ${SNAPPY_DLL}
 		${SPANDSP_DLL} ${BCG729_DLL} ${LIBXML2_DLLS} ${WINSPARKLE_DLL}
-		${ZLIB_DLL} ${BROTLI_DLLS} ${ZSTD_DLL}
+		${ZLIB_DLL} ${BROTLI_DLLS} ${ZSTD_DLL} ${ILBC_DLL}
 		# Required for mmdbresolve
 		${MAXMINDDB_DLL}
 	)
@@ -174,7 +174,7 @@ foreach(_dll ${CARES_DLL} ${GCRYPT_DLLS}
 		${GNUTLS_DLLS} ${KERBEROS_DLLS} ${LIBSSH_DLL} ${LUA_DLL}
 		${LZ4_DLL} ${NGHTTP2_DLL} ${SBC_DLL} ${SMI_DLL} ${SNAPPY_DLL}
 		${SPANDSP_DLL} ${BCG729_DLL} ${LIBXML2_DLLS} ${WINSPARKLE_DLL}
-		${ZLIB_DLL} ${BROTLI_DLLS} ${ZSTD_DLL}
+		${ZLIB_DLL} ${BROTLI_DLLS} ${ZSTD_DLL} ${ILBC_DLL}
 		# mmdbresolve
 		${MAXMINDDB_DLL}
 	)

packaging/wix/Plugins.wxi

@@ -126,6 +126,9 @@
             <Component Id="cmpSBC_dll" Guid="*">
                 <File Id="filSBC_dll" KeyPath="yes" Source="$(var.Plugins.Dir)\$(var.WiresharkMajorVersion).$(var.WiresharkMinorVersion)\codecs\sbc.dll" />
             </Component>
+            <Component Id="cmpILBC_dll" Guid="*">
+                <File Id="filILBC_dll" KeyPath="yes" Source="$(var.Plugins.Dir)\$(var.WiresharkMajorVersion).$(var.WiresharkMinorVersion)\codecs\ilbc.dll" />
+            </Component>
         </DirectoryRef>
     </Fragment>
     <Fragment>
@@ -136,6 +139,7 @@
             <ComponentRef Id="cmpG729_dll" />
             <ComponentRef Id="cmpL16mono_dll" />
             <ComponentRef Id="cmpSBC_dll" />
+            <ComponentRef Id="cmpILBC_dll" />
         </ComponentGroup>
     </Fragment>
 

plugins/codecs/iLBC/CMakeLists.txt

@@ -0,0 +1,70 @@
+# CMakeLists.txt
+#
+# Wireshark - Network traffic analyzer
+# By Gerald Combs <gerald@wireshark.org>
+# Copyright 1998 Gerald Combs
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+
+include(WiresharkPlugin)
+
+# Plugin name and version info (major minor micro extra)
+set_module_info(ilbc 0 1 0 0)
+
+set(CODEC_SRC
+	iLBCdecode.c
+)
+
+set(PLUGIN_FILES
+	plugin.c
+	${CODEC_SRC}
+)
+
+set_source_files_properties(
+	${PLUGIN_FILES}
+	PROPERTIES
+	COMPILE_FLAGS "${WERROR_COMMON_FLAGS}"
+)
+
+include_directories(
+	${CMAKE_SOURCE_DIR}/codecs
+	${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+register_plugin_files(plugin.c
+	plugin_codec
+	${CODEC_SRC}
+)
+
+add_plugin_library(ilbc codecs)
+
+target_link_libraries(ilbc wsutil ${ILBC_LIBRARIES})
+
+target_include_directories(ilbc SYSTEM PRIVATE ${ILBC_INCLUDE_DIRS})
+
+install_plugin(ilbc codecs)
+
+file(GLOB CODEC_HEADERS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "*.h")
+CHECKAPI(
+	NAME
+	  ilbc
+	SWITCHES
+	  -g abort -g termoutput -build
+	SOURCES
+	  ${CODEC_SRC}
+	  ${CODEC_HEADERS}
+)
+
+#
+# Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+#
+# Local variables:
+# c-basic-offset: 8
+# tab-width: 8
+# indent-tabs-mode: t
+# End:
+#
+# vi: set shiftwidth=8 tabstop=8 noexpandtab:
+# :indentSize=8:tabSize=8:noTabs=false:
+#

plugins/codecs/iLBC/iLBCdecode.c

@@ -0,0 +1,129 @@
+/* iLBCdecode.c
+ * iLBC codec
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+#include <stdio.h>
+
+#include <glib.h>
+
+#include "ilbc.h"
+#include "wsutil/codecs.h"
+#include "ws_attributes.h"
+
+#define ILBC_20MS 20
+#define ILBC_30MS 30
+#define ILBC_PAYLOAD_LEN_20MS 38
+#define ILBC_PAYLOAD_LEN_30MS 50
+#define SAMPLE_SIZE 2
+
+typedef struct {
+    iLBC_decinst_t *ilbc_ctx;  /* Real iLBC context */
+    guint8 payload_len; /* Remember last payload_len */
+} ilbc_ctx_t;
+
+static void *
+codec_iLBC_init(void)
+{
+    ilbc_ctx_t *ctx;
+
+    ctx=(ilbc_ctx_t *)g_malloc0(sizeof(*ctx));
+    WebRtcIlbcfix_DecoderCreate(&(ctx->ilbc_ctx));
+
+    return ctx;
+}
+
+static void
+codec_iLBC_release(void *ctx)
+{
+    WebRtcIlbcfix_DecoderFree(((ilbc_ctx_t *)ctx)->ilbc_ctx);
+    g_free(ctx);
+}
+
+static unsigned
+codec_iLBC_get_channels(void *ctx _U_)
+{
+    return 1;
+}
+
+static unsigned
+codec_iLBC_get_frequency(void *ctx _U_)
+{
+    return 8000;
+}
+
+static size_t
+codec_iLBC_decode(void *ctx, const void *inputBytes, size_t inputBytesSize,
+        void *outputSamples, size_t *outputSamplesSize)
+{
+    int16_t speechType; // Not used in Wireshark code
+    int16_t *dataIn  = (int16_t *)inputBytes;
+    int16_t *dataOut = (int16_t *)outputSamples;
+    ilbc_ctx_t *dataCtx = (ilbc_ctx_t *)ctx;
+    size_t outputSamplesCount;
+
+    if (!outputSamples || !outputSamplesSize)
+    {
+        if (0 == inputBytesSize%ILBC_PAYLOAD_LEN_20MS) {
+            /* 20ms packet size = 160 samples = 320 bytes */
+            return BLOCKL_20MS*SAMPLE_SIZE;
+        } else if (0 == inputBytesSize%ILBC_PAYLOAD_LEN_30MS) {
+            /* 30ms packet size = 240 samples = 480 bytes */
+            return BLOCKL_30MS*SAMPLE_SIZE;
+        } else {
+            /* unknown packet size */
+            return 0;
+        }
+    }
+
+    if (0 == inputBytesSize%ILBC_PAYLOAD_LEN_20MS) {
+        /* 20ms packet size */
+        if (dataCtx->payload_len != ILBC_20MS) {
+            WebRtcIlbcfix_DecoderInit(dataCtx->ilbc_ctx, ILBC_20MS);
+            dataCtx->payload_len = ILBC_20MS;
+        }
+        outputSamplesCount = WebRtcIlbcfix_Decode(dataCtx->ilbc_ctx, dataIn,
+                               (int16_t)inputBytesSize, dataOut, &speechType);
+    } else if (0 == inputBytesSize%ILBC_PAYLOAD_LEN_30MS) {
+        /* 30ms packet size */
+        if (dataCtx->payload_len != ILBC_30MS) {
+            WebRtcIlbcfix_DecoderInit(dataCtx->ilbc_ctx, ILBC_30MS);
+            dataCtx->payload_len = ILBC_30MS;
+        }
+        outputSamplesCount = WebRtcIlbcfix_Decode(dataCtx->ilbc_ctx, dataIn,
+                               (int16_t)inputBytesSize, dataOut, &speechType);
+    } else {
+        /* unknown packet size */
+        outputSamplesCount = 0;
+    }
+
+    /* WebRtcIlbcfix_Decode returns count of samples, but we return count of bytes */
+    *outputSamplesSize = outputSamplesCount*SAMPLE_SIZE;
+    return *outputSamplesSize;
+}
+
+void
+codec_register_iLBC(void)
+{
+    register_codec("iLBC", codec_iLBC_init, codec_iLBC_release,
+            codec_iLBC_get_channels, codec_iLBC_get_frequency, codec_iLBC_decode);
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */

tools/debian-setup.sh

@@ -155,6 +155,10 @@ add_package ADDITIONAL_LIST libsystemd-dev ||
 add_package ADDITIONAL_LIST libsystemd-journal-dev ||
 echo "libsystemd-dev is unavailable"
 
+# ilbc library from http://www.deb-multimedia.org
+add_package ADDITIONAL_LIST libilbc-dev ||
+echo "libilbc-dev is unavailable"
+
 # softhsm2 2.0.0: Ubuntu 16.04
 # softhsm2 2.2.0: Debian >= jessie-backports, Ubuntu 18.04
 # softhsm2 >= 2.4.0: Debian >= buster, Ubuntu >= 18.10

tools/rpm-setup.sh

@@ -219,6 +219,9 @@ echo "speex is unavailable" >&2
 add_package ADDITIONAL_LIST libnl3-devel || add_package ADDITIONAL_LIST libnl-devel ||
 echo "libnl3/libnl are unavailable" >&2
 
+add_package ADDITIONAL_LIST ilbc-devel ||
+echo "ilbc is unavailable" >&2
+
 ACTUAL_LIST=$BASIC_LIST
 
 # Now arrange for optional support libraries

tools/win-setup.ps1

@@ -69,8 +69,8 @@ Param(
 # trouble instead of trying to catch exceptions everywhere.
 $ErrorActionPreference = "Stop"
 
-$Win64CurrentTag = "2019-12-18"
+$Win64CurrentTag = "2020-01-09"
-$Win32CurrentTag = "2019-12-18"
+$Win32CurrentTag = "2020-01-09"
 
 # Archive file / SHA256
 $Win64Archives = @{
@@ -81,6 +81,7 @@ $Win64Archives = @{
     "gnutls-3.6.3-1-win64ws.zip" = "994ac2578e7b4ca01e589ab2598927d53f7370bc3ff679f3006b0e6bb7a06df4";
     "krb5-1.17-1-win64ws.zip" = "1f4a7ab86ae331ea9e58c9776a60def81ae9fe622882b2e8da2ad6ce6f6fb1d8";
     "libgcrypt-1.8.3-win64ws.zip" = "53b1c636cb89de308ca4ea01b4990cf1deca7f6c2446189c7ff6e971137ffd76";
+    "libilbc-2.0.2-3-win64ws.zip" = "d7baeb98627c405bd7c3e41d6b07c4ea4f0f5db88436e566148320afd10cbb66";
     "libsmi-svn-40773-win64ws.zip" = "571fcee71d741bf847c3247d4c2e1c42388ca6a9feebe08fc0d4ce053571d15d";
     "libssh-0.7.3-1-win64ws.zip" = "3a81b9f4a914a46f15243bbb13b6919ef1c20d4bf502c47646caeccff2cbd75c";
     "lua-5.2.4-unicode-win64-vc14.zip" = "e8968d2c7871ce1ea82cbd29ac1b3a2c59d3dec25e483c5e12de85df66f5d928";
@@ -105,6 +106,7 @@ $Win32Archives = @{
     "gnutls-3.6.3-1-win32ws.zip" = "42d8313ffb888f525d6c39330c39bcc2182e68ee8433a09dd85e1f1e1474f592";
     "krb5-1.17-1-win32ws.zip" = "f90cac08355ccfe624652d3e05f8e2e077b8830382315d4ea0a6fa52af08260b";
     "libgcrypt-1.8.3-win32ws.zip" = "409b72f2809019050cca91b9e670047c50a0752ff52999089178da54ef926393";
+    "libilbc-2.0.2-3-win32ws.zip" = "e8582a98024d619f80e1212a7ef3179390f33b21697004cfd487f34fa886145c";
     "libsmi-svn-40773-win32ws.zip" = "44bc81edfeb8948322ca365fc632e419383907c305cc922e6b74fdbb13827958";
     "libssh-0.7.3-1-win32ws.zip" = "b02f0d318175194ac538a24c9c9fc280a0ecad69fb3afd4945c106b4b7c4fa6f";
     "lua-5.2.4-unicode-win32-vc14.zip" = "ca2368a83f623674178e9441f71fb791e3c0b46f208e3dac28c6ac735f034bff";
@@ -161,6 +163,7 @@ $CleanupItems = @(
     "kfw-3-2-2*"
     "krb5-*-win??ws"
     "libgcrypt-*-win??ws"
+    "libilbc-2.0.2-3-win??ws"
     "libsmi-0.4.8"
     "libsmi-svn-40773-win??ws"
     "libssh-0.7.?-win??ws"