1 /* GStreamer
2  * Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.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 __GST_RTP_SESSION_H__
21 #define __GST_RTP_SESSION_H__
22 
23 #include <gst/gst.h>
24 
25 #define GST_TYPE_RTP_SESSION \
26   (gst_rtp_session_get_type())
27 #define GST_RTP_SESSION(obj) \
28   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_SESSION,GstRtpSession))
29 #define GST_RTP_SESSION_CLASS(klass) \
30   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_SESSION,GstRtpSessionClass))
31 #define GST_IS_RTP_SESSION(obj) \
32   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_SESSION))
33 #define GST_IS_RTP_SESSION_CLASS(klass) \
34   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_SESSION))
35 #define GST_RTP_SESSION_CAST(obj) ((GstRtpSession *)(obj))
36 
37 typedef struct _GstRtpSession GstRtpSession;
38 typedef struct _GstRtpSessionClass GstRtpSessionClass;
39 typedef struct _GstRtpSessionPrivate GstRtpSessionPrivate;
40 
41 struct _GstRtpSession {
42   GstElement     element;
43 
44   /*< private >*/
45   GstPad        *recv_rtp_sink;
46   GstSegment     recv_rtp_seg;
47   GstPad        *recv_rtcp_sink;
48   GstPad        *send_rtp_sink;
49   GstSegment     send_rtp_seg;
50 
51   GstPad        *recv_rtp_src;
52   GstPad        *sync_src;
53   GstPad        *send_rtp_src;
54   GstPad        *send_rtcp_src;
55 
56   guint32        recv_rtcp_segment_seqnum;
57 
58   GstRtpSessionPrivate *priv;
59 };
60 
61 struct _GstRtpSessionClass {
62   GstElementClass parent_class;
63 
64   /* signals */
65   GstCaps* (*request_pt_map) (GstRtpSession *sess, guint pt);
66   void     (*clear_pt_map)   (GstRtpSession *sess);
67 
68   void     (*on_new_ssrc)       (GstRtpSession *sess, guint32 ssrc);
69   void     (*on_ssrc_collision) (GstRtpSession *sess, guint32 ssrc);
70   void     (*on_ssrc_validated) (GstRtpSession *sess, guint32 ssrc);
71   void     (*on_ssrc_active)    (GstRtpSession *sess, guint32 ssrc);
72   void     (*on_ssrc_sdes)      (GstRtpSession *sess, guint32 ssrc);
73   void     (*on_bye_ssrc)       (GstRtpSession *sess, guint32 ssrc);
74   void     (*on_bye_timeout)    (GstRtpSession *sess, guint32 ssrc);
75   void     (*on_timeout)        (GstRtpSession *sess, guint32 ssrc);
76   void     (*on_sender_timeout) (GstRtpSession *sess, guint32 ssrc);
77   void     (*on_new_sender_ssrc)      (GstRtpSession *sess, guint32 ssrc);
78   void     (*on_sender_ssrc_active)   (GstRtpSession *sess, guint32 ssrc);
79 };
80 
81 GType gst_rtp_session_get_type (void);
82 
83 typedef enum {
84   GST_RTP_NTP_TIME_SOURCE_NTP,
85   GST_RTP_NTP_TIME_SOURCE_UNIX,
86   GST_RTP_NTP_TIME_SOURCE_RUNNING_TIME,
87   GST_RTP_NTP_TIME_SOURCE_CLOCK_TIME
88 } GstRtpNtpTimeSource;
89 
90 GType gst_rtp_ntp_time_source_get_type (void);
91 
92 #endif /* __GST_RTP_SESSION_H__ */
93