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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 __TRANSPORT_SEND_BIN_H__
21 #define __TRANSPORT_SEND_BIN_H__
22 
23 #include <gst/gst.h>
24 #include "transportstream.h"
25 #include "utils.h"
26 
27 G_BEGIN_DECLS
28 
29 GType transport_send_bin_get_type(void);
30 #define GST_TYPE_WEBRTC_TRANSPORT_SEND_BIN (transport_send_bin_get_type())
31 #define TRANSPORT_SEND_BIN(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WEBRTC_TRANSPORT_SEND_BIN,TransportSendBin))
32 #define TRANSPORT_SEND_BIN_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_WEBRTC_TRANSPORT_SEND_BIN,TransportSendBinClass))
33 #define TRANSPORT_SEND_BIN_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_WEBRTC_TRANSPORT_SEND_BIN,TransportSendBinClass))
34 
35 typedef struct _TransportSendBinDTLSContext TransportSendBinDTLSContext;
36 
37 struct _TransportSendBin
38 {
39   GstBin                     parent;
40 
41   GMutex                     lock; /* Lock for managing children and pad blocks */
42   gboolean                   active; /* Flag that's cleared on shutdown */
43 
44   TransportStream           *stream;        /* parent transport stream */
45 
46   GstElement *dtlssrtpenc;
47   GstElement *nicesink;
48 
49   gboolean has_clientness;
50 
51   /* Block on the dtlssrtpenc RTP sink pad, if any */
52   struct pad_block          *rtp_block;
53   /* Block on the dtlssrtpenc RTCP sink pad, if any */
54   struct pad_block          *rtcp_block;
55 };
56 
57 struct _TransportSendBinClass
58 {
59   GstBinClass           parent_class;
60 };
61 
62 G_END_DECLS
63 
64 #endif /* __TRANSPORT_SEND_BIN_H__ */
65