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901dc53de9
Original commit message from CVS: * configure.ac: * gst/Makefile.am: * gst/gstconfig.h.in: Drop libxml2 dependency when building with --enable-binary-registry --disable-loadsave
211 lines
6 KiB
C
211 lines
6 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2004,2005 Wim Taymans <wim@fluendo.com>
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*
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* gstconfig.h: GST_DISABLE_* macros for build configuration
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:gstconfig
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* @short_description: Build configuration options
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*
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* This describes the configuration options for GStreamer. When building
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* GStreamer there are a lot of parts (known internally as "subsystems" ) that
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* can be disabled for various reasons. The most common reasons are speed and
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* size, which is important because GStreamer is designed to run on embedded
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* systems.
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*
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* If a subsystem is disabled, most of this changes are done in an API
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* compatible way, so you don't need to adapt your code in most cases. It is
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* never done in an ABI compatible way though. So if you want to disable a
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* suybsystem, you have to rebuild all programs depending on GStreamer, too.
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*
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* If a subsystem is disabled in GStreamer, a value is defined in
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* <gst/gst.h>. You can check this if you do subsystem-specific stuff.
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* <example>
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* <title>Doing subsystem specific things</title>
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* <programlisting>
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* &hash;ifndef GST_DISABLE_GST_DEBUG
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* // do stuff specific to the debugging subsystem
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* &hash;endif // GST_DISABLE_GST_DEBUG
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* </programlisting>
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* </example>
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*/
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#ifndef __GST_CONFIG_H__
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#define __GST_CONFIG_H__
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#include "config.h"
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/* trick gtk-doc into believing these symbols are defined (yes, it's ugly) */
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#if 0
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#define GST_DISABLE_LOADSAVE_REGISTRY 1
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#define GST_DISABLE_GST_DEBUG 1
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#define GST_DISABLE_LOADSAVE 1
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#define GST_DISABLE_PARSE 1
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#define GST_DISABLE_TRACE 1
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#define GST_DISABLE_ALLOC_TRACE 1
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#define GST_DISABLE_REGISTRY 1
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#define GST_DISABLE_ENUMTYPES 1
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#define GST_DISABLE_INDEX 1
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#define GST_DISABLE_PLUGIN 1
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#define GST_DISABLE_URI 1
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#define GST_HAVE_GLIB_2_8 1
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#endif
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/***** default padding of structures *****/
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#define GST_PADDING 4
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#define GST_PADDING_INIT {0}
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/***** padding for very extensible base classes *****/
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#define GST_PADDING_LARGE 20
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/***** disabling of subsystems *****/
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/**
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* GST_DISABLE_GST_DEBUG:
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*
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* Configures the inclusion of the debugging subsystem
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*/
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@GST_DISABLE_GST_DEBUG_DEFINE@
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/**
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* GST_DISABLE_LOADSAVE:
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*
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* Configures the inclusion of the plugin graph xml-serialisation
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* (was used in 0.8 by gst-editor)
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*/
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@GST_DISABLE_LOADSAVE_DEFINE@
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/**
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* GST_DISABLE_PARSE:
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*
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* Configures the inclusion of the gst-lauch parser
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*/
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@GST_DISABLE_PARSE_DEFINE@
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/**
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* GST_DISABLE_TRACE:
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*
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* Configures the inclusion of a resource tracing facillity
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* (seems to be unused)
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*/
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@GST_DISABLE_TRACE_DEFINE@
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/**
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* GST_DISABLE_ALLOC_TRACE:
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*
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* Configures the use of a memory tracer based on the resource tracer
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* if TRACE is disabled, ALLOC_TRACE is disabled as well
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*/
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@GST_DISABLE_ALLOC_TRACE_DEFINE@
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/**
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* GST_DISABLE_REGISTRY:
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*
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* Configures the use of the plugin registry
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* if one disables this, required plugins need to be loaded and registered
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* manualy
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*/
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@GST_DISABLE_REGISTRY_DEFINE@
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/* FIXME: test and document these! */
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/* Configure the use of glib enumtypes (useful for introspection)
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* see http://bugzilla.gnome.org/show_bug.cgi?id=342564
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*/
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@GST_DISABLE_ENUMTYPES_DEFINE@
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/* Configure the use of indizies for seeking
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* (not used in plugins right now)
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*/
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@GST_DISABLE_INDEX_DEFINE@
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/* Configures the use of external plugins */
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@GST_DISABLE_PLUGIN_DEFINE@
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/* Configures the use of uri-handlers */
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@GST_DISABLE_URI_DEFINE@
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/* printf extension format */
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/**
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* GST_PTR_FORMAT:
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*
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* printf format type used to debug GStreamer types.
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* This can only be used on types whose size is >= sizeof(gpointer).
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*/
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@GST_PRINTF_EXTENSION_POINTER_FORMAT_DEFINE@
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/**
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* GST_SEGMENT_FORMAT:
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*
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* printf format type used to debug GStreamer segments.
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* This can only be used on pointers to GstSegment structures.
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*
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* Since: 0.10.10
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*/
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@GST_PRINTF_EXTENSION_SEGMENT_FORMAT_DEFINE@
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/* whether or not GST_PTR_FORMAT or GST_SEGMENT_FORMAT are using
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* the printf extension mechanism. This is for internal use in our
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* header files so we know whether we can use G_GNUC_PRINTF or not */
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@GST_USING_PRINTF_EXTENSION_DEFINE@
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/* whether or not the CPU supports unaligned access */
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@GST_HAVE_UNALIGNED_ACCESS_DEFINE@
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/* whether or not we are using glib 2.8 api, e.g. atomic gobject
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refcounting */
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@GST_HAVE_GLIB_2_8_DEFINE@
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/***** Deal with XML stuff, we have to handle both loadsave and registry *****/
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/*#if (! (defined(GST_DISABLE_LOADSAVE) && defined(GST_DISABLE_REGISTRY)) ) */
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/* this works better, but requires the above config.h include, its a bit strange
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* that we include stuff here anyway */
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#ifdef HAVE_LIBXML2
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# include <libxml/parser.h>
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#else
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# define GST_DISABLE_LOADSAVE_REGISTRY
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#endif
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/**
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* GST_EXPORT:
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*
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* Export the given variable from the built shared object.
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*
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* On Windows, this exports the variable from the DLL.
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* On other platforms, this gets defined to "extern".
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*/
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/**
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* GST_PLUGIN_EXPORT:
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*
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* Export the plugin's definition.
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*
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* On Windows, this exports the plugin definition from the DLL.
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* On other platforms, this gets defined as a no-op.
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*/
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#ifdef _MSC_VER
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#define GST_PLUGIN_EXPORT __declspec(dllexport) extern
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#ifdef GST_EXPORTS
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#define GST_EXPORT __declspec(dllexport) extern
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#else
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#define GST_EXPORT __declspec(dllimport) extern
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#endif
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#else /* not _MSC_VER */
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#define GST_PLUGIN_EXPORT
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#define GST_EXPORT extern
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#endif
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#endif /* __GST_CONFIG_H__ */
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