1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/**
* @file llmediaimplgstreamer_syms.h
* @brief dynamic GStreamer symbol-grabbing code
*
* $LicenseInfo:firstyear=2007&license=viewergpl$
*
* Copyright (c) 2007-2008, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "linden_common.h"
#if LL_GSTREAMER_ENABLED
extern "C" {
#include <gst/gst.h>
}
bool grab_gst_syms(std::string gst_dso_name,
std::string gst_dso_name_vid,
std::string gst_dso_name_aud);
void ungrab_gst_syms();
#define LL_GST_SYM(REQ, GSTSYM, RTN, ...) extern RTN (*ll##GSTSYM)(__VA_ARGS__)
#include "llmediaimplgstreamer_syms_raw.inc"
#include "llmediaimplgstreamer_syms_rawa.inc"
#include "llmediaimplgstreamer_syms_rawv.inc"
#undef LL_GST_SYM
// regrettable hacks to give us better runtime compatibility with older systems
#define llg_return_if_fail(COND) do{if (!(COND)) return;}while(0)
#define llg_return_val_if_fail(COND,V) do{if (!(COND)) return V;}while(0)
// regrettable hacks because GStreamer was not designed for runtime loading
#undef GST_TYPE_MESSAGE
#define GST_TYPE_MESSAGE (llgst_message_get_type())
#undef GST_TYPE_OBJECT
#define GST_TYPE_OBJECT (llgst_object_get_type())
#undef GST_TYPE_PIPELINE
#define GST_TYPE_PIPELINE (llgst_pipeline_get_type())
#undef GST_TYPE_ELEMENT
#define GST_TYPE_ELEMENT (llgst_element_get_type())
#undef GST_TYPE_AUDIO_SINK
#define GST_TYPE_AUDIO_SINK (llgst_audio_sink_get_type())
#undef GST_TYPE_VIDEO_SINK
#define GST_TYPE_VIDEO_SINK (llgst_video_sink_get_type())
#undef _gst_debug_register_funcptr
#define _gst_debug_register_funcptr ll_gst_debug_register_funcptr
#undef _gst_debug_category_new
#define _gst_debug_category_new ll_gst_debug_category_new
#undef __gst_debug_enabled
#define __gst_debug_enabled (0)
// more hacks
#define LLGST_MESSAGE_TYPE_NAME(M) (llgst_message_type_get_name(GST_MESSAGE_TYPE(M)))
#endif // LL_GSTREAMER_ENABLED
|
