webrtcbin: an element that handles the transport aspects of webrtc connections
[platform/upstream/gst-plugins-bad.git] / ext / webrtc / utils.h
1 /* GStreamer
2  * Copyright (C) 2017 Matthew Waters <matthew@centricular.com>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19
20 #ifndef __WEBRTC_UTILS_H__
21 #define __WEBRTC_UTILS_H__
22
23 #include <gst/gst.h>
24 #include <gst/webrtc/webrtc.h>
25 #include "fwd.h"
26
27 G_BEGIN_DECLS
28
29 GstPadTemplate *        _find_pad_template          (GstElement * element,
30                                                      GstPadDirection direction,
31                                                      GstPadPresence presence,
32                                                      const gchar * name);
33
34 GstSDPMessage *         _get_latest_sdp             (GstWebRTCBin * webrtc);
35
36 GstWebRTCICEStream *    _find_ice_stream_for_session            (GstWebRTCBin * webrtc,
37                                                                  guint session_id);
38 void                    _add_ice_stream_item                    (GstWebRTCBin * webrtc,
39                                                                  guint session_id,
40                                                                  GstWebRTCICEStream * stream);
41
42 struct pad_block
43 {
44   GstElement *element;
45   GstPad *pad;
46   gulong block_id;
47   gpointer user_data;
48   GDestroyNotify notify;
49 };
50
51 void                    _free_pad_block             (struct pad_block *block);
52 struct pad_block *      _create_pad_block           (GstElement * element,
53                                                      GstPad * pad,
54                                                      gulong block_id,
55                                                      gpointer user_data,
56                                                      GDestroyNotify notify);
57
58 G_GNUC_INTERNAL
59 gchar *                 _enum_value_to_string       (GType type, guint value);
60 G_GNUC_INTERNAL
61 const gchar *           _g_checksum_to_webrtc_string (GChecksumType type);
62
63 G_END_DECLS
64
65 #endif /* __WEBRTC_UTILS_H__ */