81 lines
3.0 KiB
C++
81 lines
3.0 KiB
C++
/**
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* @file llmediaimplgstreamer_syms.h
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* @brief dynamic GStreamer symbol-grabbing code
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*
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* @cond
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* $LicenseInfo:firstyear=2007&license=viewergpl$
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*
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* Copyright (c) 2007-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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* @endcond
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*/
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#include "linden_common.h"
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#if LL_GSTREAMER010_ENABLED
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extern "C" {
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#include <gst/gst.h>
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}
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bool grab_gst_syms(std::string gst_dso_name,
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std::string gst_dso_name_vid);
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void ungrab_gst_syms();
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#define LL_GST_SYM(REQ, GSTSYM, RTN, ...) extern RTN (*ll##GSTSYM)(__VA_ARGS__)
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#include "llmediaimplgstreamer_syms_raw.inc"
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#include "llmediaimplgstreamer_syms_rawv.inc"
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#undef LL_GST_SYM
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// regrettable hacks to give us better runtime compatibility with older systems
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#define llg_return_if_fail(COND) do{if (!(COND)) return;}while(0)
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#define llg_return_val_if_fail(COND,V) do{if (!(COND)) return V;}while(0)
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// regrettable hacks because GStreamer was not designed for runtime loading
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#undef GST_TYPE_MESSAGE
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#define GST_TYPE_MESSAGE (llgst_message_get_type())
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#undef GST_TYPE_OBJECT
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#define GST_TYPE_OBJECT (llgst_object_get_type())
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#undef GST_TYPE_PIPELINE
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#define GST_TYPE_PIPELINE (llgst_pipeline_get_type())
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#undef GST_TYPE_ELEMENT
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#define GST_TYPE_ELEMENT (llgst_element_get_type())
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#undef GST_TYPE_VIDEO_SINK
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#define GST_TYPE_VIDEO_SINK (llgst_video_sink_get_type())
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// more regrettable hacks to stub-out these .h-exposed GStreamer internals
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void ll_gst_debug_register_funcptr(GstDebugFuncPtr func, gchar* ptrname);
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#undef _gst_debug_register_funcptr
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#define _gst_debug_register_funcptr ll_gst_debug_register_funcptr
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GstDebugCategory* ll_gst_debug_category_new(gchar *name, guint color, gchar *description);
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#undef _gst_debug_category_new
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#define _gst_debug_category_new ll_gst_debug_category_new
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#undef __gst_debug_enabled
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#define __gst_debug_enabled (0)
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// more hacks
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#define LLGST_MESSAGE_TYPE_NAME(M) (llgst_message_type_get_name(GST_MESSAGE_TYPE(M)))
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#endif // LL_GSTREAMER010_ENABLED
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