From 7067d01d2a9e46a52f347cfa777e5a50f1d41494 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wim.taymans@gmail.com>
Date: Thu, 20 Sep 2007 14:34:57 +0000
Subject: gst/rtpmanager/: Add notification of active SSRCs to various RTP
 elements. Fixes #478566.

Original commit message from CVS:
* gst/rtpmanager/gstrtpbin.c: (on_ssrc_active), (create_session),
(gst_rtp_bin_class_init):
* gst/rtpmanager/gstrtpbin.h:
* gst/rtpmanager/gstrtpsession.c: (on_ssrc_active),
(gst_rtp_session_class_init), (gst_rtp_session_init),
(gst_rtp_session_event_send_rtp_sink):
* gst/rtpmanager/gstrtpsession.h:
* gst/rtpmanager/rtpsession.c: (rtp_session_class_init),
(on_ssrc_active), (rtp_session_process_rb):
* gst/rtpmanager/rtpsession.h:
Add notification of active SSRCs to various RTP elements. Fixes #478566.
---
 gst/rtpmanager/rtpsession.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'gst/rtpmanager/rtpsession.c')

diff --git a/gst/rtpmanager/rtpsession.c b/gst/rtpmanager/rtpsession.c
index fa9b84db..0f907efd 100644
--- a/gst/rtpmanager/rtpsession.c
+++ b/gst/rtpmanager/rtpsession.c
@@ -36,6 +36,7 @@ enum
   SIGNAL_ON_NEW_SSRC,
   SIGNAL_ON_SSRC_COLLISION,
   SIGNAL_ON_SSRC_VALIDATED,
+  SIGNAL_ON_SSRC_ACTIVE,
   SIGNAL_ON_BYE_SSRC,
   SIGNAL_ON_BYE_TIMEOUT,
   SIGNAL_ON_TIMEOUT,
@@ -119,6 +120,18 @@ rtp_session_class_init (RTPSessionClass * klass)
       G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (RTPSessionClass, on_ssrc_validated),
       NULL, NULL, g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1,
       G_TYPE_OBJECT);
+  /**
+   * RTPSession::on-ssrc_active:
+   * @session: the object which received the signal
+   * @src: the active RTPSource
+   *
+   * Notify of a SSRC that is active, i.e., sending RTCP.
+   */
+  rtp_session_signals[SIGNAL_ON_SSRC_ACTIVE] =
+      g_signal_new ("on-ssrc-active", G_TYPE_FROM_CLASS (klass),
+      G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (RTPSessionClass, on_ssrc_active),
+      NULL, NULL, g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1,
+      G_TYPE_OBJECT);
   /**
    * RTPSession::on-bye-ssrc:
    * @session: the object which received the signal
@@ -281,6 +294,14 @@ on_ssrc_validated (RTPSession * sess, RTPSource * source)
   RTP_SESSION_LOCK (sess);
 }
 
+static void
+on_ssrc_active (RTPSession * sess, RTPSource * source)
+{
+  RTP_SESSION_UNLOCK (sess);
+  g_signal_emit (sess, rtp_session_signals[SIGNAL_ON_SSRC_ACTIVE], 0, source);
+  RTP_SESSION_LOCK (sess);
+}
+
 static void
 on_bye_ssrc (RTPSession * sess, RTPSource * source)
 {
@@ -1080,6 +1101,8 @@ rtp_session_process_rb (RTPSession * sess, RTPSource * source,
        * the other sender to see if we are better or worse. */
       rtp_source_process_rb (source, arrival->time, fractionlost, packetslost,
           exthighestseq, jitter, lsr, dlsr);
+
+      on_ssrc_active (sess, source);
     }
   }
 }
-- 
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