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.

7 files changed, 88 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 69e112ba..37159730 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,19 @@
 2007-09-20  Wim Taymans  <wim.taymans@gmail.com>
 
+	* 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.
+
+2007-09-20  Wim Taymans  <wim.taymans@gmail.com>
+
 	* gst-libs/gst/app/gstappsink.c: (gst_app_marshal_OBJECT__VOID),
 	(gst_app_sink_class_init), (gst_app_sink_init),
 	(gst_app_sink_dispose), (gst_app_sink_finalize),
diff --git a/gst/rtpmanager/gstrtpbin.c b/gst/rtpmanager/gstrtpbin.c
index 035f4cc9..a95a0eec 100644
--- a/gst/rtpmanager/gstrtpbin.c
+++ b/gst/rtpmanager/gstrtpbin.c
@@ -221,6 +221,7 @@ 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,
@@ -385,6 +386,13 @@ on_ssrc_validated (GstElement * session, guint32 ssrc, GstRtpBinSession * sess)
 }
 
 static void
+on_ssrc_active (GstElement * session, guint32 ssrc, GstRtpBinSession * sess)
+{
+  g_signal_emit (sess->bin, gst_rtp_bin_signals[SIGNAL_ON_SSRC_ACTIVE], 0,
+      sess->id, ssrc);
+}
+
+static void
 on_bye_ssrc (GstElement * session, guint32 ssrc, GstRtpBinSession * sess)
 {
   g_signal_emit (sess->bin, gst_rtp_bin_signals[SIGNAL_ON_BYE_SSRC], 0,
@@ -440,6 +448,8 @@ create_session (GstRtpBin * rtpbin, gint id)
       (GCallback) on_ssrc_collision, sess);
   g_signal_connect (sess->session, "on-ssrc-validated",
       (GCallback) on_ssrc_validated, sess);
+  g_signal_connect (sess->session, "on-ssrc-active",
+      (GCallback) on_ssrc_active, sess);
   g_signal_connect (sess->session, "on-bye-ssrc",
       (GCallback) on_bye_ssrc, sess);
   g_signal_connect (sess->session, "on-bye-timeout",
@@ -1082,6 +1092,19 @@ gst_rtp_bin_class_init (GstRtpBinClass * klass)
       G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRtpBinClass, on_ssrc_validated),
       NULL, NULL, gst_rtp_bin_marshal_VOID__UINT_UINT, G_TYPE_NONE, 2,
       G_TYPE_UINT, G_TYPE_UINT);
+  /**
+   * GstRtpBin::on-ssrc_active:
+   * @rtpbin: the object which received the signal
+   * @session: the session
+   * @ssrc: the SSRC
+   *
+   * Notify of a SSRC that is active, i.e., sending RTCP.
+   */
+  gst_rtp_bin_signals[SIGNAL_ON_SSRC_ACTIVE] =
+      g_signal_new ("on-ssrc-active", G_TYPE_FROM_CLASS (klass),
+      G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRtpBinClass, on_ssrc_active),
+      NULL, NULL, gst_rtp_bin_marshal_VOID__UINT_UINT, G_TYPE_NONE, 2,
+      G_TYPE_UINT, G_TYPE_UINT);
 
   /**
    * GstRtpBin::on-bye-ssrc:
diff --git a/gst/rtpmanager/gstrtpbin.h b/gst/rtpmanager/gstrtpbin.h
index 874167cc..d4fe1f03 100644
--- a/gst/rtpmanager/gstrtpbin.h
+++ b/gst/rtpmanager/gstrtpbin.h
@@ -65,6 +65,7 @@ struct _GstRtpBinClass {
   void     (*on_new_ssrc)       (GstRtpBin *rtpbin, guint session, guint32 ssrc);
   void     (*on_ssrc_collision) (GstRtpBin *rtpbin, guint session, guint32 ssrc);
   void     (*on_ssrc_validated) (GstRtpBin *rtpbin, guint session, guint32 ssrc);
+  void     (*on_ssrc_active)    (GstRtpBin *rtpbin, guint session, guint32 ssrc);
   void     (*on_bye_ssrc)       (GstRtpBin *rtpbin, guint session, guint32 ssrc);
   void     (*on_bye_timeout)    (GstRtpBin *rtpbin, guint session, guint32 ssrc);
   void     (*on_timeout)        (GstRtpBin *rtpbin, guint session, guint32 ssrc);
diff --git a/gst/rtpmanager/gstrtpsession.c b/gst/rtpmanager/gstrtpsession.c
index 83210ff8..773f0901 100644
--- a/gst/rtpmanager/gstrtpsession.c
+++ b/gst/rtpmanager/gstrtpsession.c
@@ -208,6 +208,7 @@ 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,
@@ -307,6 +308,13 @@ on_ssrc_validated (RTPSession * session, RTPSource * src, GstRtpSession * sess)
 }
 
 static void
+on_ssrc_active (RTPSession * session, RTPSource * src, GstRtpSession * sess)
+{
+  g_signal_emit (sess, gst_rtp_session_signals[SIGNAL_ON_SSRC_ACTIVE], 0,
+      src->ssrc);
+}
+
+static void
 on_bye_ssrc (RTPSession * session, RTPSource * src, GstRtpSession * sess)
 {
   g_signal_emit (sess, gst_rtp_session_signals[SIGNAL_ON_BYE_SSRC], 0,
@@ -429,6 +437,18 @@ gst_rtp_session_class_init (GstRtpSessionClass * klass)
       G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRtpSessionClass,
           on_ssrc_validated), NULL, NULL, g_cclosure_marshal_VOID__UINT,
       G_TYPE_NONE, 1, G_TYPE_UINT);
+  /**
+   * GstRtpSession::on-ssrc_active:
+   * @sess: the object which received the signal
+   * @ssrc: the SSRC
+   *
+   * Notify of a SSRC that is active, i.e., sending RTCP.
+   */
+  gst_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 (GstRtpSessionClass,
+          on_ssrc_active), NULL, NULL, g_cclosure_marshal_VOID__UINT,
+      G_TYPE_NONE, 1, G_TYPE_UINT);
 
   /**
    * GstRtpSession::on-bye-ssrc:
@@ -497,6 +517,8 @@ gst_rtp_session_init (GstRtpSession * rtpsession, GstRtpSessionClass * klass)
       (GCallback) on_ssrc_collision, rtpsession);
   g_signal_connect (rtpsession->priv->session, "on-ssrc-validated",
       (GCallback) on_ssrc_validated, rtpsession);
+  g_signal_connect (rtpsession->priv->session, "on-ssrc-active",
+      (GCallback) on_ssrc_active, rtpsession);
   g_signal_connect (rtpsession->priv->session, "on-bye-ssrc",
       (GCallback) on_bye_ssrc, rtpsession);
   g_signal_connect (rtpsession->priv->session, "on-bye-timeout",
@@ -1229,6 +1251,9 @@ gst_rtp_session_event_send_rtp_sink (GstPad * pad, GstEvent * event)
       ret = gst_pad_push_event (rtpsession->send_rtp_src, event);
       break;
     }
+    case GST_EVENT_EOS:
+      ret = gst_pad_push_event (rtpsession->send_rtp_src, event);
+      break;
     default:
       ret = gst_pad_push_event (rtpsession->send_rtp_src, event);
       break;
diff --git a/gst/rtpmanager/gstrtpsession.h b/gst/rtpmanager/gstrtpsession.h
index 3fffb067..b4c50b10 100644
--- a/gst/rtpmanager/gstrtpsession.h
+++ b/gst/rtpmanager/gstrtpsession.h
@@ -66,6 +66,7 @@ struct _GstRtpSessionClass {
   void     (*on_new_ssrc)       (GstRtpSession *sess, guint32 ssrc);
   void     (*on_ssrc_collision) (GstRtpSession *sess, guint32 ssrc);
   void     (*on_ssrc_validated) (GstRtpSession *sess, guint32 ssrc);
+  void     (*on_ssrc_active)    (GstRtpSession *sess, guint32 ssrc);
   void     (*on_bye_ssrc)       (GstRtpSession *sess, guint32 ssrc);
   void     (*on_bye_timeout)    (GstRtpSession *sess, guint32 ssrc);
   void     (*on_timeout)        (GstRtpSession *sess, guint32 ssrc);
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,
@@ -120,6 +121,18 @@ rtp_session_class_init (RTPSessionClass * klass)
       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
    * @src: the RTPSource that went away
@@ -282,6 +295,14 @@ on_ssrc_validated (RTPSession * sess, RTPSource * source)
 }
 
 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)
 {
   RTP_SESSION_UNLOCK (sess);
@@ -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);
     }
   }
 }
diff --git a/gst/rtpmanager/rtpsession.h b/gst/rtpmanager/rtpsession.h
index 26c5924f..359a7417 100644
--- a/gst/rtpmanager/rtpsession.h
+++ b/gst/rtpmanager/rtpsession.h
@@ -209,6 +209,7 @@ struct _RTPSessionClass {
   void (*on_new_ssrc)       (RTPSession *sess, RTPSource *source);
   void (*on_ssrc_collision) (RTPSession *sess, RTPSource *source);
   void (*on_ssrc_validated) (RTPSession *sess, RTPSource *source);
+  void (*on_ssrc_active)    (RTPSession *sess, RTPSource *source);
   void (*on_bye_ssrc)       (RTPSession *sess, RTPSource *source);
   void (*on_bye_timeout)    (RTPSession *sess, RTPSource *source);
   void (*on_timeout)        (RTPSession *sess, RTPSource *source);