+2004-01-19 Thomas Vander Stichele <thomas at apestaart dot org>
+
+ * autogen.sh:
+ adding autopoint invocation
+ * Makefile.am:
+ * configure.ac:
+ * gst-libs/gst/gettext.h:
+ adding gettext bits
+ * ext/audiofile/gstafsink.c: (gst_afsink_plugin_init):
+ * ext/audiofile/gstafsrc.c: (gst_afsrc_plugin_init):
+ * ext/gnomevfs/gstgnomevfs.c: (plugin_init):
+ * ext/gnomevfs/gstgnomevfssink.c: (gst_gnomevfssink_open_file),
+ (gst_gnomevfssink_close_file):
+ * ext/gnomevfs/gstgnomevfssrc.c: (gst_gnomevfssrc_open_file):
+ * ext/sndfile/gstsf.c: (gst_sf_loop), (plugin_init):
+ * gst-libs/gst/gst-i18n-plugin.h:
+ * gst/avi/gstavi.c: (plugin_init):
+ * sys/dxr3/dxr3init.c: (plugin_init):
+ * sys/dxr3/dxr3videosink.c: (dxr3videosink_write_data):
+ * sys/oss/gstossaudio.c: (plugin_init):
+ * sys/oss/gstosselement.c: (gst_osselement_open_audio):
+ * sys/v4l/gstv4l.c: (plugin_init):
+ * sys/v4l/v4l_calls.c: (gst_v4l_open):
+ * sys/v4l2/gstv4l2.c: (plugin_init):
+ * sys/v4l2/v4l2_calls.c: (gst_v4l2_get_capabilities),
+ (gst_v4l2_fill_lists), (gst_v4l2_get_norm), (gst_v4l2_set_norm),
+ (gst_v4l2_get_input), (gst_v4l2_set_input), (gst_v4l2_get_output),
+ (gst_v4l2_set_output), (gst_v4l2_get_frequency),
+ (gst_v4l2_set_frequency), (gst_v4l2_signal_strength),
+ (gst_v4l2_get_attribute), (gst_v4l2_set_attribute):
+ make sure locale and translation domain are set
+ fix translated strings
+ * po/.cvsignore:
+ * po/LINGUAS:
+ * po/Makevars:
+ * po/POTFILES.in:
+ * po/nl.po:
+ put translation files into place
+ * sys/xvideo/imagetest.c: (main):
+ * ext/dv/demo-play.c: (main):
+ fix unnecessary translations
+
2004-01-19 Thomas Vander Stichele <thomas (at) apestaart (dot) org>
* ext/sndfile/gstsf.c:
tools \
$(GCONF_DIR) \
testsuite \
+ po \
pkgconfig
DIST_SUBDIRS=gst-libs \
tools \
gconf \
testsuite \
+ po \
pkgconfig
EXTRA_DIST=gst-plugins.spec depcomp \
"ftp://ftp.gnu.org/pub/gnu/autoconf/" 2 52 || DIE=1
version_check "automake" "$AUTOMAKE automake automake-1.7 automake-1.6 automake-1.5" \
"ftp://ftp.gnu.org/pub/gnu/automake/" 1 6 || DIE=1
+version_check "autopoint" "autopoint" \
+ "ftp://ftp.gnu.org/pub/gnu/gettext/" 0 11 4 || DIE=1
version_check "libtoolize" "$LIBTOOLIZE libtoolize libtoolize14" \
"ftp://ftp.gnu.org/pub/gnu/libtool/" 1 4 0 || DIE=1
version_check "pkg-config" "" \
toplevel_check $srcfile
+# autopoint
+# older autopoint (< 0.12) has a tendency to complain about mkinstalldirs
+if test -e mkinstalldirs; then rm mkinstalldirs; fi
+# first remove patch if necessary, then run autopoint, then reapply
+if test -f po/Makefile.in.in;
+then
+ patch -p0 -R < common/gettext.patch
+fi
+tool_run "$autopoint"
+patch -p0 < common/gettext.patch
+
+# autopoint
+# older autopoint (< 0.12) has a tendency to complain about mkinstalldirs
+if test -e mkinstalldirs; then rm mkinstalldirs; fi
+# first remove patch if necessary, then run autopoint, then reapply
+if test -f po/Makefile.in.in;
+then
+ patch -p0 -R < common/gettext.patch
+fi
+tool_run "$autopoint"
+patch -p0 < common/gettext.patch
+
tool_run "$aclocal" "-I m4 -I common/m4 $ACLOCAL_FLAGS"
tool_run "$libtoolize" "--copy --force"
tool_run "$autoheader"
AM_PROG_AS
AS="${CC}"
+dnl the gettext stuff needed
+AM_GNU_GETTEXT_VERSION(0.11.4)
+AM_GNU_GETTEXT([external])
+
+GETTEXT_PACKAGE=gst-plugins-$GST_MAJORMINOR
+AC_SUBST(GETTEXT_PACKAGE)
+AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], "$GETTEXT_PACKAGE",
+ [gettext package name])
+
+dnl define LOCALEDIR in config.h
+AS_AC_EXPAND(LOCALEDIR, $datadir/locale)
+AC_DEFINE_UNQUOTED([LOCALEDIR], "$LOCALEDIR",
+ [gettext locale dir])
+
dnl decide on error flags
AS_COMPILER_FLAG(-Wall, GST_WALL="yes", GST_WALL="no")
tools/gst-launch-ext
gconf/Makefile
pkgconfig/Makefile
+po/Makefile.in
)
AC_OUTPUT
# include "config.h"
#endif
+#include "gst/gst-i18n-plugin.h"
+
#include "gstgnomevfs.h"
#include <gst/gst.h>
return FALSE;
}
+#ifdef ENABLE_NLS
+ setlocale (LC_ALL, "");
+ bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
+ textdomain (GETTEXT_PACKAGE);
+#endif /* ENABLE_NLS */
+
return TRUE;
}
sink->erase);
}
gst_element_error (sink, RESOURCE, OPEN_WRITE,
- (_("Error opening vfs file \"%s\""), sink->filename),
+ (_("Could not open vfs file \"%s\" for writing"), sink->filename),
GST_ERROR_SYSTEM);
return FALSE;
}
if (result != GNOME_VFS_OK)
gst_element_error (sink, RESOURCE, CLOSE,
- (_("Error closing file \"%s\""), sink->filename),
+ (_("Could not close vfs file \"%s\""), sink->filename),
GST_ERROR_SYSTEM);
}
#include "config.h"
#endif
-#include "gst/gst-i18n-plugin.h"
+#include "gst-libs/gst/gst-i18n-plugin.h"
#include "gstgnomevfs.h"
src->uri = gnome_vfs_uri_new(src->filename);
if (!src->uri) {
gst_element_error (src, RESOURCE, OPEN_READ,
- (_("Error opening URI \"%s\" for reading"), src->filename), GST_ERROR_SYSTEM);
+ (_("Could not open vfs file \"%s\" for reading"), src->filename), GST_ERROR_SYSTEM);
return FALSE;
}
}
escaped = gnome_vfs_unescape_string_for_display (src->filename);
gst_element_error (src, RESOURCE, OPEN_READ,
- (_("Error opening vfs file \"%s\""), escaped),
+ (_("Could not open vfs file \"%s\" for reading"), escaped),
(gnome_vfs_result_to_string (result)));
g_free (escaped);
return FALSE;
--- /dev/null
+/* Convenience header for conditional use of GNU <libintl.h>.
+ Copyright (C) 1995-1998, 2000-2002 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+#ifndef _LIBGETTEXT_H
+#define _LIBGETTEXT_H 1
+
+/* NLS can be disabled through the configure --disable-nls option. */
+#if ENABLE_NLS
+
+/* Get declarations of GNU message catalog functions. */
+# include <libintl.h>
+
+#else
+
+/* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which
+ chokes if dcgettext is defined as a macro. So include it now, to make
+ later inclusions of <locale.h> a NOP. We don't include <libintl.h>
+ as well because people using "gettext.h" will not include <libintl.h>,
+ and also including <libintl.h> would fail on SunOS 4, whereas <locale.h>
+ is OK. */
+#if defined(__sun)
+# include <locale.h>
+#endif
+
+/* Disabled NLS.
+ The casts to 'const char *' serve the purpose of producing warnings
+ for invalid uses of the value returned from these functions.
+ On pre-ANSI systems without 'const', the config.h file is supposed to
+ contain "#define const". */
+# define gettext(Msgid) ((const char *) (Msgid))
+# define dgettext(Domainname, Msgid) ((const char *) (Msgid))
+# define dcgettext(Domainname, Msgid, Category) ((const char *) (Msgid))
+# define ngettext(Msgid1, Msgid2, N) \
+ ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
+# define dngettext(Domainname, Msgid1, Msgid2, N) \
+ ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
+# define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
+ ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
+# define textdomain(Domainname) ((const char *) (Domainname))
+# define bindtextdomain(Domainname, Dirname) ((const char *) (Dirname))
+# define bind_textdomain_codeset(Domainname, Codeset) ((const char *) (Codeset))
+
+#endif
+
+/* A pseudo function call that serves as a marker for the automated
+ extraction of messages, but does not call gettext(). The run-time
+ translation is done at a different place in the code.
+ The argument, String, should be a literal string. Concatenated strings
+ and other string expressions won't work.
+ The macro's expansion is not parenthesized, so that it is suitable as
+ initializer for static 'char[]' or 'const char[]' variables. */
+#define gettext_noop(String) String
+
+#endif /* _LIBGETTEXT_H */
#ifndef __GST_I18N_PLUGIN_H__
#define __GST_I18N_PLUGIN_H__
-#if 0
#include "gettext.h" /* included with gettext distribution and copied */
-#endif
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-#if 0
#ifndef GETTEXT_PACKAGE
#error You must define GETTEXT_PACKAGE before including this header.
#endif
#define _(String) dgettext (GETTEXT_PACKAGE, String)
#define N_(String) gettext_noop (String)
/* FIXME: if we need it, we can add Q_ as well, like in glib */
-#endif
-
-/* FIXME: we define them as passthrough first */
-#define _(String) String
-#define N_(String) String
#endif /* __GST_I18N_PLUGIN_H__ */
--- /dev/null
+*.gmo
+remove-potcdate.sed
+stamp-po
+POTFILES
+cat-id-tbl.c
+gstreamer-*.pot
+Makefile.in.in
+Makevars.template
+Rules-quot
+boldquot.sed
+en@boldquot.header
+en@quot.header
+insert-header.sin
+quot.sed
--- /dev/null
+# Makefile variables for PO directory in any package using GNU gettext.
+
+# Usually the message domain is the same as the package name.
+DOMAIN = $(GETTEXT_PACKAGE)
+
+# These two variables depend on the location of this directory.
+subdir = po
+top_builddir = ..
+
+# These options get passed to xgettext.
+XGETTEXT_OPTIONS = --keyword=_ --keyword=N_
+
+# This is the copyright holder that gets inserted into the header of the
+# $(DOMAIN).pot file. Set this to the copyright holder of the surrounding
+# package. (Note that the msgstr strings, extracted from the package's
+# sources, belong to the copyright holder of the package.) Translators are
+# expected to transfer the copyright for their translations to this person
+# or entity, or to disclaim their copyright. The empty string stands for
+# the public domain; in this case the translators are expected to disclaim
+# their copyright.
+COPYRIGHT_HOLDER =
+
+# This is the email address or URL to which the translators shall report
+# bugs in the untranslated strings:
+# - Strings which are not entire sentences, see the maintainer guidelines
+# in the GNU gettext documentation, section 'Preparing Strings'.
+# - Strings which use unclear terms or require additional context to be
+# understood.
+# - Strings which make invalid assumptions about notation of date, time or
+# money.
+# - Pluralisation problems.
+# - Incorrect English spelling.
+# - Incorrect formatting.
+# It can be your email address, or a mailing list address where translators
+# can write to without being subscribed, or the URL of a web page through
+# which the translators can contact you.
+MSGID_BUGS_ADDRESS = http://bugzilla.gnome.org/
+
+# This is the list of locale categories, beyond LC_MESSAGES, for which the
+# message catalogs shall be used. It is usually empty.
+EXTRA_LOCALE_CATEGORIES =
--- /dev/null
+ext/audiofile/gstafsink.c
+ext/audiofile/gstafsrc.c
+ext/gnomevfs/gstgnomevfssrc.c
+ext/gnomevfs/gstgnomevfssink.c
+ext/sndfile/gstsf.c
+gst/avi/gstavimux.c
+sys/dxr3/dxr3audiosink.c
+sys/dxr3/dxr3audiosink.c
+sys/dxr3/dxr3videosink.c
+sys/oss/gstosselement.c
+sys/oss/gstossmixer.c
+sys/v4l/v4l_calls.c
+sys/v4l/v4l_calls.h
+sys/v4l2/v4l2_calls.c
+sys/v4l2/v4l2src_calls.c
--- /dev/null
+# GStreamer plugins translated strings
+# Copyright (C) 2003,2004 GStreamer core team
+# This file is distributed under the same license as the GStreamer package.
+# Thomas Vander Stichele <thomas@apestaart.org>, 2004.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: gst-plugins\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2004-01-19 16:09+0100\n"
+"PO-Revision-Date: 2004-01-13 12:03+0100\n"
+"Last-Translator: Thomas Vander Stichele <thomas@apestaart.org>\n"
+"Language-Team: Dutch <nl@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: ext/audiofile/gstafsink.c:345 ext/sndfile/gstsf.c:601
+#, c-format
+msgid "Could not open file \"%s\" for writing"
+msgstr "Kon bestand \"%s\" niet openen voor schrijven"
+
+#: ext/audiofile/gstafsink.c:368 ext/audiofile/gstafsrc.c:372
+#, c-format
+msgid "Error closing file \"%s\""
+msgstr "Kon bestand \"%s\" niet sluiten"
+
+#: ext/audiofile/gstafsrc.c:314
+#, c-format
+msgid "Could not open file \"%s\" for reading"
+msgstr "Kon bestand \"%s\" niet openen voor lezen"
+
+#: ext/gnomevfs/gstgnomevfssrc.c:1055 ext/gnomevfs/gstgnomevfssrc.c:1078
+#, c-format
+msgid "Could not open vfs file \"%s\" for reading"
+msgstr "Kon vfs-bestand \"%s\" niet openen voor lezen"
+
+#: ext/gnomevfs/gstgnomevfssink.c:286
+#, c-format
+msgid "Could not open vfs file \"%s\" for writing"
+msgstr "Kon vfs-bestand \"%s\" niet openen voor schrijven"
+
+#: ext/gnomevfs/gstgnomevfssink.c:311
+#, c-format
+msgid "Could not close vfs file \"%s\""
+msgstr "Kon vfs-bestand \"%s\" niet sluiten"
+
+#: ext/sndfile/gstsf.c:563
+msgid "No filename specified"
+msgstr "Geen bestandsnaam gegeven"
+
+#: ext/sndfile/gstsf.c:793
+#, c-format
+msgid "Could not write to file \"%s\""
+msgstr "Kon niet schrijven naar bestand \"%s\""
+
+#: gst/avi/gstavimux.c:989
+msgid "No or invalid input audio, AVI stream will be corrupt"
+msgstr "Geen of foutief invoergeluid, AVI zal corrupt zijn"
+
+#: sys/dxr3/dxr3audiosink.c:313
+#, c-format
+msgid "Could not open audio device \"%s\" for writing"
+msgstr "Kon audio-apparaat \"%s\" niet openen voor schrijven"
+
+#: sys/dxr3/dxr3audiosink.c:325 sys/dxr3/dxr3videosink.c:292
+#, c-format
+msgid "Could not open control device \"%s\" for writing"
+msgstr "Kon controle-apparaat \"%s\" niet openen voor schrijven"
+
+#: sys/dxr3/dxr3audiosink.c:359
+#, c-format
+msgid "Could not configure audio device \"%s\""
+msgstr "Kon audio-apparaat \"%s\" niet configureren"
+
+#: sys/dxr3/dxr3audiosink.c:373 sys/dxr3/dxr3audiosink.c:410
+#, c-format
+msgid "Could not set audio device \"%s\" to %d Hz"
+msgstr "Kon audio-apparaat \"%s\" niet instellen op %d Hz"
+
+#: sys/dxr3/dxr3audiosink.c:438
+#, c-format
+msgid "Could not close audio device \"%s\""
+msgstr "Kon audio-apparaat \"%s\" niet sluiten"
+
+#: sys/dxr3/dxr3audiosink.c:445 sys/dxr3/dxr3videosink.c:319
+#, c-format
+msgid "Could not close control device \"%s\""
+msgstr "Kon controle-apparaat \"%s\" niet sluiten"
+
+#: sys/dxr3/dxr3videosink.c:280
+#, c-format
+msgid "Could not open video device \"%s\" for writing"
+msgstr "Kon video-apparaat \"%s\" niet openen voor schrijven"
+
+#: sys/dxr3/dxr3videosink.c:311
+#, c-format
+msgid "Could not close video device \"%s\""
+msgstr "Kon video-apparaat \"%s\" niet sluiten"
+
+#: sys/dxr3/dxr3videosink.c:467 sys/v4l2/v4l2src_calls.c:121
+#, c-format
+msgid "Could not write to device \"%s\""
+msgstr "Kon niet schrijven naar apparaat \"%s\""
+
+#: sys/oss/gstosselement.c:684
+#, c-format
+msgid "OSS device \"%s\" is already in use by another program"
+msgstr "OSS-apparaat \"%s\" is al in gebruik door een ander programma"
+
+#: sys/oss/gstosselement.c:690 sys/oss/gstosselement.c:693
+#, c-format
+msgid "Could not access device \"%s\", check its permissions"
+msgstr "Kon geen toegang krijgen tot apparaat \"%s\", controleer de permissies"
+
+#: sys/oss/gstosselement.c:699
+#, c-format
+msgid "Device \"%s\" does not exist"
+msgstr "Apparaat \"%s\" bestaat niet"
+
+#: sys/oss/gstosselement.c:705
+#, c-format
+msgid "Could not open device \"%s\" for writing"
+msgstr "Kon apparaat \"%s\" niet openen voor schrijven"
+
+#: sys/oss/gstosselement.c:708
+#, c-format
+msgid "Could not open device \"%s\" for reading"
+msgstr "Kon apparaat \"%s\" niet openen voor lezen"
+
+#: sys/oss/gstossmixer.c:86
+msgid "Volume"
+msgstr "Volume"
+
+#: sys/oss/gstossmixer.c:87
+msgid "Bass"
+msgstr "Lage Tonen"
+
+#: sys/oss/gstossmixer.c:88
+msgid "Treble"
+msgstr "Hoge Tonen"
+
+#: sys/oss/gstossmixer.c:89
+msgid "Synth"
+msgstr "Synthesizer"
+
+#: sys/oss/gstossmixer.c:90
+msgid "PCM"
+msgstr "PCM"
+
+#: sys/oss/gstossmixer.c:91
+msgid "Speaker"
+msgstr "Luidspreker"
+
+#: sys/oss/gstossmixer.c:92
+msgid "Line-in"
+msgstr "Lijningang"
+
+#: sys/oss/gstossmixer.c:93
+msgid "Microphone"
+msgstr "Microfoon"
+
+#: sys/oss/gstossmixer.c:94
+msgid "CD"
+msgstr "CD"
+
+#: sys/oss/gstossmixer.c:95
+msgid "Mixer"
+msgstr "Mixer"
+
+#: sys/oss/gstossmixer.c:96
+msgid "PCM-2"
+msgstr "PCM-2"
+
+#: sys/oss/gstossmixer.c:97
+msgid "Record"
+msgstr "Opname"
+
+#: sys/oss/gstossmixer.c:98
+msgid "In-gain"
+msgstr "Invoer-volume"
+
+#: sys/oss/gstossmixer.c:99
+msgid "Out-gain"
+msgstr "Uitvoer-volume"
+
+#: sys/oss/gstossmixer.c:100
+msgid "Line-1"
+msgstr "Lijningang 1"
+
+#: sys/oss/gstossmixer.c:101
+msgid "Line-2"
+msgstr "Lijningang 2"
+
+#: sys/oss/gstossmixer.c:102
+msgid "Line-3"
+msgstr "Lijningang 3"
+
+#: sys/oss/gstossmixer.c:103
+msgid "Digital-1"
+msgstr "Digitaal 1"
+
+#: sys/oss/gstossmixer.c:104
+msgid "Digital-2"
+msgstr "Digitaal 2"
+
+#: sys/oss/gstossmixer.c:105
+msgid "Digital-3"
+msgstr "Digitaal 3"
+
+#: sys/oss/gstossmixer.c:106
+msgid "Phone-in"
+msgstr "Telefoon-ingang"
+
+#: sys/oss/gstossmixer.c:107
+msgid "Phone-out"
+msgstr "Koptelefoon-uitgang"
+
+#: sys/oss/gstossmixer.c:108
+msgid "Video"
+msgstr "Video"
+
+#: sys/oss/gstossmixer.c:109
+msgid "Radio"
+msgstr "Radio"
+
+#: sys/oss/gstossmixer.c:110
+msgid "Monitor"
+msgstr "Monitor"
+
+#: sys/v4l/v4l_calls.c:115
+msgid "No device specified"
+msgstr "Geen apparaat gegeven"
+
+#: sys/v4l/v4l_calls.c:124 sys/v4l2/v4l2_calls.c:413
+#, c-format
+msgid "Could not open device \"%s\" for reading and writing"
+msgstr "Kon apparaat \"%s\" niet openen voor lezen en schrijven"
+
+#: sys/v4l/v4l_calls.h:47
+msgid "Device is not open"
+msgstr "Apparaat is niet open"
+
+#: sys/v4l/v4l_calls.h:56
+msgid "Device is open"
+msgstr "Apparaat is open"
+
+#: sys/v4l2/v4l2_calls.c:427
+#, c-format
+msgid "Device \"%s\" is not a capture device"
+msgstr "Apparaat \"%s\" is geen opname-apparaat"
+
+#: sys/v4l2/v4l2src_calls.c:249
+#, c-format
+msgid "Could not get buffers from device \"%s\""
+msgstr "Kon geen buffers lezen van apparaat \"%s\""
+
+#: sys/v4l2/v4l2src_calls.c:256
+#, c-format
+msgid "Could not get enough buffers from device \"%s\""
+msgstr "Kon niet genoeg buffers lezen van apparaat \"%s\""
#include "config.h"
#endif
+#include "gst/gst-i18n-plugin.h"
+
#include <gst/gst.h>
#include "gstv4lelement.h"
GST_RANK_NONE, GST_TYPE_V4LMJPEGSINK))
return FALSE;
+#ifdef ENABLE_NLS
+ setlocale (LC_ALL, "");
+ bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
+ textdomain (GETTEXT_PACKAGE);
+#endif /* ENABLE_NLS */
+
return TRUE;
}
if (!GST_V4L_IS_OPEN(v4lelement))
{
gst_element_error (v4lelement, RESOURCE, OPEN_READ_WRITE,
- (_("Could not open device \"%s\" for reading"), v4lelement->videodev),
+ (_("Could not open device \"%s\" for reading and writing"), v4lelement->videodev),
GST_ERROR_SYSTEM);
return FALSE;
}
projects / platform / upstream / gstreamer.git / commitdiff