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158 lines
4.5 KiB
C
158 lines
4.5 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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/* 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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/***** disabling of subsystems *****/
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/* wether or not the debugging subsystem is enabled */
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@GST_DISABLE_GST_DEBUG_DEFINE@
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/* DOES NOT WORK */
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@GST_DISABLE_LOADSAVE_DEFINE@
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/* DOES NOT WORK */
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@GST_DISABLE_PARSE_DEFINE@
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/* DOES NOT WORK */
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@GST_DISABLE_TRACE_DEFINE@
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/* DOES NOT WORK */
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@GST_DISABLE_ALLOC_TRACE_DEFINE@
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/* DOES NOT WORK */
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@GST_DISABLE_REGISTRY_DEFINE@
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/* DOES NOT WORK */
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@GST_DISABLE_ENUMTYPES_DEFINE@
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/* DOES NOT WORK */
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@GST_DISABLE_INDEX_DEFINE@
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/* DOES NOT WORK */
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@GST_DISABLE_PLUGIN_DEFINE@
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/* DOES NOT WORK */
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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_FORMAT_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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# 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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#if defined(WIN32) && (!defined(__MINGW32__))
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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 WIN32 */
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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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