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rtpbin: Expose FEC support signals
Also slightly refactor complete_session_src https://bugzilla.gnome.org/show_bug.cgi?id=792696
This commit is contained in:
Mathieu Duponchelle
parent
d5ad50bd61
commit
fdf64195ac
2 changed files with 320 additions and 34 deletions
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@ -262,6 +262,7 @@ enum
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SIGNAL_RESET_SYNC,
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SIGNAL_GET_SESSION,
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SIGNAL_GET_INTERNAL_SESSION,
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SIGNAL_GET_INTERNAL_STORAGE,
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SIGNAL_ON_NEW_SSRC,
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SIGNAL_ON_SSRC_COLLISION,
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@ -279,7 +280,11 @@ enum
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SIGNAL_REQUEST_RTCP_ENCODER,
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SIGNAL_REQUEST_RTCP_DECODER,
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SIGNAL_REQUEST_FEC_DECODER,
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SIGNAL_REQUEST_FEC_ENCODER,
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SIGNAL_NEW_JITTERBUFFER,
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SIGNAL_NEW_STORAGE,
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SIGNAL_REQUEST_AUX_SENDER,
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SIGNAL_REQUEST_AUX_RECEIVER,
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@ -341,7 +346,7 @@ enum
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PROP_RFC7273_SYNC,
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PROP_MAX_STREAMS,
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PROP_MAX_TS_OFFSET_ADJUSTMENT,
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PROP_MAX_TS_OFFSET
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PROP_MAX_TS_OFFSET,
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};
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#define GST_RTP_BIN_RTCP_SYNC_TYPE (gst_rtp_bin_rtcp_sync_get_type())
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@ -439,6 +444,9 @@ struct _GstRtpBinStream
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* there they are pushed into an SSRC demuxer that splits the stream based on
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* SSRC. Each of the SSRC streams go into their own jitterbuffer (managed with
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* the GstRtpBinStream above).
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*
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* Before the SSRC demuxer, a storage element may be inserted for the purpose
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* of Forward Error Correction.
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*/
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struct _GstRtpBinSession
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{
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@ -453,6 +461,9 @@ struct _GstRtpBinSession
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gulong demux_newpad_sig;
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gulong demux_padremoved_sig;
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/* Fec support */
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GstElement *storage;
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/* Bundling support */
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GstElement *rtp_funnel;
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GstElement *rtcp_funnel;
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@ -479,7 +490,6 @@ struct _GstRtpBinSession
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GstPad *sync_src;
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GstPad *send_rtp_sink;
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GstPad *send_rtp_sink_ghost;
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GstPad *send_rtp_src;
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GstPad *send_rtp_src_ghost;
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GstPad *send_rtcp_src;
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GstPad *send_rtcp_src_ghost;
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@ -762,6 +772,7 @@ create_session (GstRtpBin * rtpbin, gint id)
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{
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GstRtpBinSession *sess;
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GstElement *session, *demux;
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GstElement *storage = NULL;
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GstState target;
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if (!(session = gst_element_factory_make ("rtpsession", NULL)))
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@ -770,12 +781,19 @@ create_session (GstRtpBin * rtpbin, gint id)
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if (!(demux = gst_element_factory_make ("rtpssrcdemux", NULL)))
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goto no_demux;
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if (!(storage = gst_element_factory_make ("rtpstorage", NULL)))
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goto no_storage;
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g_signal_emit (rtpbin, gst_rtp_bin_signals[SIGNAL_NEW_STORAGE], 0, storage,
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id);
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sess = g_new0 (GstRtpBinSession, 1);
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g_mutex_init (&sess->lock);
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sess->id = id;
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sess->bin = rtpbin;
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sess->session = session;
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sess->demux = demux;
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sess->storage = storage;
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sess->rtp_funnel = gst_element_factory_make ("funnel", NULL);
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sess->rtcp_funnel = gst_element_factory_make ("funnel", NULL);
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@ -829,6 +847,7 @@ create_session (GstRtpBin * rtpbin, gint id)
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gst_bin_add (GST_BIN_CAST (rtpbin), demux);
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gst_bin_add (GST_BIN_CAST (rtpbin), sess->rtp_funnel);
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gst_bin_add (GST_BIN_CAST (rtpbin), sess->rtcp_funnel);
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gst_bin_add (GST_BIN_CAST (rtpbin), storage);
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GST_OBJECT_LOCK (rtpbin);
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target = GST_STATE_TARGET (rtpbin);
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@ -839,6 +858,7 @@ create_session (GstRtpBin * rtpbin, gint id)
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gst_element_set_state (session, target);
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gst_element_set_state (sess->rtp_funnel, target);
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gst_element_set_state (sess->rtcp_funnel, target);
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gst_element_set_state (storage, target);
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return sess;
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@ -854,6 +874,13 @@ no_demux:
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g_warning ("rtpbin: could not create rtpssrcdemux element");
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return NULL;
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}
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no_storage:
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{
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gst_object_unref (session);
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gst_object_unref (demux);
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g_warning ("rtpbin: could not create rtpstorage element");
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return NULL;
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}
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}
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static gboolean
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@ -1119,6 +1146,25 @@ gst_rtp_bin_get_internal_session (GstRtpBin * bin, guint session_id)
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return internal_session;
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}
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static GObject *
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gst_rtp_bin_get_internal_storage (GstRtpBin * bin, guint session_id)
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{
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GObject *internal_storage = NULL;
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GstRtpBinSession *session;
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GST_RTP_BIN_LOCK (bin);
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GST_DEBUG_OBJECT (bin, "retrieving internal storage object, index: %u",
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session_id);
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session = find_session_by_id (bin, (gint) session_id);
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if (session && session->storage) {
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g_object_get (session->storage, "internal-storage", &internal_storage,
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NULL);
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}
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GST_RTP_BIN_UNLOCK (bin);
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return internal_storage;
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}
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static GstElement *
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gst_rtp_bin_request_encoder (GstRtpBin * bin, guint session_id)
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{
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@ -1746,9 +1792,10 @@ create_stream (GstRtpBinSession * session, guint32 ssrc)
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if (!(buffer = gst_element_factory_make ("rtpjitterbuffer", NULL)))
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goto no_jitterbuffer;
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if (!rtpbin->ignore_pt)
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if (!rtpbin->ignore_pt) {
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if (!(demux = gst_element_factory_make ("rtpptdemux", NULL)))
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goto no_demux;
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}
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stream = g_new0 (GstRtpBinStream, 1);
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stream->ssrc = ssrc;
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@ -2063,6 +2110,19 @@ gst_rtp_bin_class_init (GstRtpBinClass * klass)
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get_internal_session), NULL, NULL, g_cclosure_marshal_generic,
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RTP_TYPE_SESSION, 1, G_TYPE_UINT);
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/**
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* GstRtpBin::get-internal-storage:
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* @rtpbin: the object which received the signal
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* @id: the session id
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*
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* Request the internal RTPStorage object as #GObject in session @id.
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*/
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gst_rtp_bin_signals[SIGNAL_GET_INTERNAL_STORAGE] =
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g_signal_new ("get-internal-storage", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GstRtpBinClass,
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get_internal_storage), NULL, NULL, g_cclosure_marshal_generic,
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G_TYPE_OBJECT, 1, G_TYPE_UINT);
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/**
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* GstRtpBin::on-new-ssrc:
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* @rtpbin: the object which received the signal
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@ -2286,6 +2346,23 @@ gst_rtp_bin_class_init (GstRtpBinClass * klass)
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new_jitterbuffer), NULL, NULL, g_cclosure_marshal_generic,
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G_TYPE_NONE, 3, GST_TYPE_ELEMENT, G_TYPE_UINT, G_TYPE_UINT);
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/**
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* GstRtpBin::new-storage:
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* @rtpbin: the object which received the signal
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* @storage: the new storage
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* @session: the session
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*
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* Notify that a new @storage was created for @session.
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* This signal can, for example, be used to configure @storage.
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*
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* Since: 1.14
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*/
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gst_rtp_bin_signals[SIGNAL_NEW_STORAGE] =
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g_signal_new ("new-storage", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRtpBinClass,
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new_storage), NULL, NULL, g_cclosure_marshal_generic,
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G_TYPE_NONE, 2, GST_TYPE_ELEMENT, G_TYPE_UINT);
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/**
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* GstRtpBin::request-aux-sender:
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* @rtpbin: the object which received the signal
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@ -2303,6 +2380,7 @@ gst_rtp_bin_class_init (GstRtpBinClass * klass)
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G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRtpBinClass,
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request_aux_sender), _gst_element_accumulator, NULL,
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g_cclosure_marshal_generic, GST_TYPE_ELEMENT, 1, G_TYPE_UINT);
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/**
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* GstRtpBin::request-aux-receiver:
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* @rtpbin: the object which received the signal
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@ -2320,6 +2398,43 @@ gst_rtp_bin_class_init (GstRtpBinClass * klass)
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G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRtpBinClass,
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request_aux_receiver), _gst_element_accumulator, NULL,
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g_cclosure_marshal_generic, GST_TYPE_ELEMENT, 1, G_TYPE_UINT);
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/**
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* GstRtpBin::request-fec-decoder:
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* @rtpbin: the object which received the signal
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* @session: the session index
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*
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* Request a FEC decoder element for the given @session. The element
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* will be added to the bin after the pt demuxer.
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*
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* If no handler is connected, no FEC decoder will be used.
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*
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* Since: 1.14
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*/
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gst_rtp_bin_signals[SIGNAL_REQUEST_FEC_DECODER] =
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g_signal_new ("request-fec-decoder", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRtpBinClass,
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request_fec_decoder), _gst_element_accumulator, NULL,
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g_cclosure_marshal_generic, GST_TYPE_ELEMENT, 1, G_TYPE_UINT);
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/**
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* GstRtpBin::request-fec-encoder:
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* @rtpbin: the object which received the signal
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* @session: the session index
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*
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* Request a FEC encoder element for the given @session. The element
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* will be added to the bin after the RTPSession.
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*
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* If no handler is connected, no FEC encoder will be used.
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*
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* Since: 1.14
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*/
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gst_rtp_bin_signals[SIGNAL_REQUEST_FEC_ENCODER] =
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g_signal_new ("request-fec-encoder", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstRtpBinClass,
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request_fec_encoder), _gst_element_accumulator, NULL,
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g_cclosure_marshal_generic, GST_TYPE_ELEMENT, 1, G_TYPE_UINT);
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/**
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* GstRtpBin::on-new-sender-ssrc:
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* @rtpbin: the object which received the signal
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@ -2583,6 +2698,8 @@ gst_rtp_bin_class_init (GstRtpBinClass * klass)
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klass->get_session = GST_DEBUG_FUNCPTR (gst_rtp_bin_get_session);
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klass->get_internal_session =
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GST_DEBUG_FUNCPTR (gst_rtp_bin_get_internal_session);
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klass->get_internal_storage =
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GST_DEBUG_FUNCPTR (gst_rtp_bin_get_internal_storage);
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klass->request_rtp_encoder = GST_DEBUG_FUNCPTR (gst_rtp_bin_request_encoder);
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klass->request_rtp_decoder = GST_DEBUG_FUNCPTR (gst_rtp_bin_request_decoder);
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klass->request_rtcp_encoder = GST_DEBUG_FUNCPTR (gst_rtp_bin_request_encoder);
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@ -3260,6 +3377,38 @@ new_payload_found (GstElement * element, guint pt, GstPad * pad,
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GST_DEBUG_OBJECT (rtpbin, "new payload pad %u", pt);
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pad = gst_object_ref (pad);
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if (stream->session->storage) {
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GstElement *fec_decoder =
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session_request_element (stream->session, SIGNAL_REQUEST_FEC_DECODER);
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if (fec_decoder) {
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GstPad *sinkpad, *srcpad;
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GstPadLinkReturn ret;
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sinkpad = gst_element_get_static_pad (fec_decoder, "sink");
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if (!sinkpad)
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goto fec_decoder_sink_failed;
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ret = gst_pad_link (pad, sinkpad);
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gst_object_unref (sinkpad);
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if (ret != GST_PAD_LINK_OK)
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goto fec_decoder_link_failed;
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srcpad = gst_element_get_static_pad (fec_decoder, "src");
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if (!srcpad)
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goto fec_decoder_src_failed;
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gst_pad_sticky_events_foreach (pad, copy_sticky_events, srcpad);
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gst_object_unref (pad);
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pad = srcpad;
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}
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}
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GST_RTP_BIN_SHUTDOWN_LOCK (rtpbin, shutdown);
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/* ghost the pad to the parent */
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@ -3277,12 +3426,33 @@ new_payload_found (GstElement * element, guint pt, GstPad * pad,
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gst_pad_sticky_events_foreach (pad, copy_sticky_events, gpad);
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gst_element_add_pad (GST_ELEMENT_CAST (rtpbin), gpad);
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done:
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gst_object_unref (pad);
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return;
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shutdown:
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{
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GST_DEBUG ("ignoring, we are shutting down");
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return;
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goto done;
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}
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fec_decoder_sink_failed:
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{
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g_warning ("rtpbin: failed to get fec encoder sink pad for session %u",
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stream->session->id);
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goto done;
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}
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fec_decoder_src_failed:
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{
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g_warning ("rtpbin: failed to get fec encoder src pad for session %u",
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stream->session->id);
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goto done;
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}
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fec_decoder_link_failed:
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{
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g_warning ("rtpbin: failed to link fec decoder for session %u",
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stream->session->id);
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goto done;
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}
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}
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@ -3332,6 +3502,36 @@ no_caps:
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}
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}
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static GstCaps *
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ptdemux_pt_map_requested (GstElement * element, guint pt,
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GstRtpBinSession * session)
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{
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GstCaps *ret = pt_map_requested (element, pt, session);
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if (ret && gst_caps_get_size (ret) == 1) {
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const GstStructure *s = gst_caps_get_structure (ret, 0);
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gboolean is_fec;
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if (gst_structure_get_boolean (s, "is-fec", &is_fec) && is_fec) {
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GValue v = G_VALUE_INIT;
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GValue v2 = G_VALUE_INIT;
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GST_INFO_OBJECT (session->bin, "Will ignore FEC pt %u in session %u", pt,
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session->id);
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g_value_init (&v, GST_TYPE_ARRAY);
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g_value_init (&v2, G_TYPE_INT);
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g_object_get_property (G_OBJECT (element), "ignored-payload-types", &v);
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g_value_set_int (&v2, pt);
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gst_value_array_append_value (&v, &v2);
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g_value_unset (&v2);
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g_object_set_property (G_OBJECT (element), "ignored-payload-types", &v);
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g_value_unset (&v);
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}
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}
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return ret;
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}
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static void
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payload_type_change (GstElement * element, guint pt, GstRtpBinSession * session)
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{
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@ -3435,7 +3635,7 @@ new_ssrc_pad_found (GstElement * element, guint ssrc, GstPad * pad,
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* demuxer so that it can apply a proper caps on the buffers for the
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* depayloaders. */
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stream->demux_ptreq_sig = g_signal_connect (stream->demux,
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"request-pt-map", (GCallback) pt_map_requested, session);
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"request-pt-map", (GCallback) ptdemux_pt_map_requested, session);
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/* connect to the signal so it can be forwarded. */
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stream->demux_ptchange_sig = g_signal_connect (stream->demux,
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"payload-type-change", (GCallback) payload_type_change, session);
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@ -3618,8 +3818,7 @@ complete_session_receiver (GstRtpBin * rtpbin, GstRtpBinSession * session,
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if (session->recv_rtp_src == NULL)
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goto pad_failed;
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/* find out if we need AUX elements or if we can go into the SSRC demuxer
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* directly */
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/* find out if we need AUX elements */
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aux = session_request_element (session, SIGNAL_REQUEST_AUX_RECEIVER);
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if (aux) {
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gchar *pname;
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|
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@ -3639,8 +3838,7 @@ complete_session_receiver (GstRtpBin * rtpbin, GstRtpBinSession * session,
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if (ret != GST_PAD_LINK_OK)
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goto aux_link_failed;
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/* this can be NULL when this AUX element is not to be linked to
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* an SSRC demuxer */
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/* this can be NULL when this AUX element is not to be linked any further */
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pname = g_strdup_printf ("src_%u", sessid);
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recv_rtp_src = gst_element_get_static_pad (aux, pname);
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g_free (pname);
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@ -3648,6 +3846,22 @@ complete_session_receiver (GstRtpBin * rtpbin, GstRtpBinSession * session,
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recv_rtp_src = gst_object_ref (session->recv_rtp_src);
|
||||
}
|
||||
|
||||
/* Add a storage element if needed */
|
||||
if (recv_rtp_src && session->storage) {
|
||||
GstPadLinkReturn ret;
|
||||
GstPad *sinkpad = gst_element_get_static_pad (session->storage, "sink");
|
||||
|
||||
ret = gst_pad_link (recv_rtp_src, sinkpad);
|
||||
|
||||
gst_object_unref (sinkpad);
|
||||
gst_object_unref (recv_rtp_src);
|
||||
|
||||
if (ret != GST_PAD_LINK_OK)
|
||||
goto storage_link_failed;
|
||||
|
||||
recv_rtp_src = gst_element_get_static_pad (session->storage, "src");
|
||||
}
|
||||
|
||||
if (recv_rtp_src) {
|
||||
GstPad *sinkdpad;
|
||||
|
||||
|
|
@ -3682,6 +3896,11 @@ aux_link_failed:
|
|||
g_warning ("rtpbin: failed to link AUX pad to session %u", sessid);
|
||||
return;
|
||||
}
|
||||
storage_link_failed:
|
||||
{
|
||||
g_warning ("rtpbin: failed to link storage");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
/* Create a pad for receiving RTP for the session in @name. Must be called with
|
||||
|
|
@ -3973,11 +4192,12 @@ complete_session_src (GstRtpBin * rtpbin, GstRtpBinSession * session)
|
|||
GstElement *encoder;
|
||||
GstElementClass *klass;
|
||||
GstPadTemplate *templ;
|
||||
gboolean ret = FALSE;
|
||||
|
||||
/* get srcpad */
|
||||
session->send_rtp_src =
|
||||
gst_element_get_static_pad (session->session, "send_rtp_src");
|
||||
if (session->send_rtp_src == NULL)
|
||||
send_rtp_src = gst_element_get_static_pad (session->session, "send_rtp_src");
|
||||
|
||||
if (send_rtp_src == NULL)
|
||||
goto no_srcpad;
|
||||
|
||||
GST_DEBUG_OBJECT (rtpbin, "getting RTP encoder");
|
||||
|
|
@ -3995,22 +4215,22 @@ complete_session_src (GstRtpBin * rtpbin, GstRtpBinSession * session)
|
|||
if (encsrc == NULL)
|
||||
goto enc_src_failed;
|
||||
|
||||
send_rtp_src = encsrc;
|
||||
|
||||
ename = g_strdup_printf ("rtp_sink_%u", sessid);
|
||||
encsink = gst_element_get_static_pad (encoder, ename);
|
||||
g_free (ename);
|
||||
if (encsink == NULL)
|
||||
goto enc_sink_failed;
|
||||
|
||||
ret = gst_pad_link (session->send_rtp_src, encsink);
|
||||
ret = gst_pad_link (send_rtp_src, encsink);
|
||||
gst_object_unref (encsink);
|
||||
gst_object_unref (send_rtp_src);
|
||||
|
||||
send_rtp_src = encsrc;
|
||||
|
||||
if (ret != GST_PAD_LINK_OK)
|
||||
goto enc_link_failed;
|
||||
} else {
|
||||
GST_DEBUG_OBJECT (rtpbin, "no RTP encoder given");
|
||||
send_rtp_src = gst_object_ref (session->send_rtp_src);
|
||||
}
|
||||
|
||||
/* ghost the new source pad */
|
||||
|
|
@ -4019,37 +4239,43 @@ complete_session_src (GstRtpBin * rtpbin, GstRtpBinSession * session)
|
|||
templ = gst_element_class_get_pad_template (klass, "send_rtp_src_%u");
|
||||
session->send_rtp_src_ghost =
|
||||
gst_ghost_pad_new_from_template (gname, send_rtp_src, templ);
|
||||
gst_object_unref (send_rtp_src);
|
||||
gst_pad_set_active (session->send_rtp_src_ghost, TRUE);
|
||||
gst_pad_sticky_events_foreach (send_rtp_src, copy_sticky_events,
|
||||
session->send_rtp_src_ghost);
|
||||
gst_element_add_pad (GST_ELEMENT_CAST (rtpbin), session->send_rtp_src_ghost);
|
||||
g_free (gname);
|
||||
|
||||
return TRUE;
|
||||
ret = TRUE;
|
||||
|
||||
done:
|
||||
if (send_rtp_src)
|
||||
gst_object_unref (send_rtp_src);
|
||||
|
||||
return ret;
|
||||
|
||||
/* ERRORS */
|
||||
no_srcpad:
|
||||
{
|
||||
g_warning ("rtpbin: failed to get rtp source pad for session %u", sessid);
|
||||
return FALSE;
|
||||
goto done;
|
||||
}
|
||||
enc_src_failed:
|
||||
{
|
||||
g_warning ("rtpbin: failed to get encoder src pad for session %u", sessid);
|
||||
return FALSE;
|
||||
g_warning ("rtpbin: failed to get %" GST_PTR_FORMAT
|
||||
" src pad for session %u", encoder, sessid);
|
||||
goto done;
|
||||
}
|
||||
enc_sink_failed:
|
||||
{
|
||||
g_warning ("rtpbin: failed to get encoder sink pad for session %u", sessid);
|
||||
gst_object_unref (send_rtp_src);
|
||||
return FALSE;
|
||||
g_warning ("rtpbin: failed to get %" GST_PTR_FORMAT
|
||||
" sink pad for session %u", encoder, sessid);
|
||||
goto done;
|
||||
}
|
||||
enc_link_failed:
|
||||
{
|
||||
g_warning ("rtpbin: failed to link rtp encoder for session %u", sessid);
|
||||
gst_object_unref (send_rtp_src);
|
||||
return FALSE;
|
||||
g_warning ("rtpbin: failed to link %" GST_PTR_FORMAT " for session %u",
|
||||
encoder, sessid);
|
||||
goto done;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -4154,6 +4380,8 @@ create_send_rtp (GstRtpBin * rtpbin, GstPadTemplate * templ, const gchar * name)
|
|||
guint sessid;
|
||||
GstPad *send_rtp_sink;
|
||||
GstElement *aux;
|
||||
GstElement *encoder;
|
||||
GstElement *prev = NULL;
|
||||
GstRtpBinSession *session;
|
||||
|
||||
/* first get the session number */
|
||||
|
|
@ -4177,19 +4405,47 @@ create_send_rtp (GstRtpBin * rtpbin, GstPadTemplate * templ, const gchar * name)
|
|||
if (session->send_rtp_sink != NULL)
|
||||
goto existing_session;
|
||||
|
||||
encoder = session_request_element (session, SIGNAL_REQUEST_FEC_ENCODER);
|
||||
|
||||
if (encoder) {
|
||||
GST_DEBUG_OBJECT (rtpbin, "Linking FEC encoder");
|
||||
|
||||
send_rtp_sink = gst_element_get_static_pad (encoder, "sink");
|
||||
|
||||
if (!send_rtp_sink)
|
||||
goto enc_sink_failed;
|
||||
|
||||
prev = encoder;
|
||||
}
|
||||
|
||||
GST_DEBUG_OBJECT (rtpbin, "getting RTP AUX sender");
|
||||
aux = session_request_element (session, SIGNAL_REQUEST_AUX_SENDER);
|
||||
if (aux) {
|
||||
GstPad *sinkpad;
|
||||
GST_DEBUG_OBJECT (rtpbin, "linking AUX sender");
|
||||
if (!setup_aux_sender (rtpbin, session, aux))
|
||||
goto aux_session_failed;
|
||||
|
||||
pname = g_strdup_printf ("sink_%u", sessid);
|
||||
send_rtp_sink = gst_element_get_static_pad (aux, pname);
|
||||
sinkpad = gst_element_get_static_pad (aux, pname);
|
||||
g_free (pname);
|
||||
|
||||
if (send_rtp_sink == NULL)
|
||||
if (sinkpad == NULL)
|
||||
goto aux_sink_failed;
|
||||
|
||||
if (!prev) {
|
||||
send_rtp_sink = sinkpad;
|
||||
} else {
|
||||
GstPad *srcpad = gst_element_get_static_pad (prev, "src");
|
||||
GstPadLinkReturn ret;
|
||||
|
||||
ret = gst_pad_link (srcpad, sinkpad);
|
||||
gst_object_unref (srcpad);
|
||||
if (ret != GST_PAD_LINK_OK) {
|
||||
goto aux_link_failed;
|
||||
}
|
||||
}
|
||||
prev = aux;
|
||||
} else {
|
||||
/* get send_rtp pad and store */
|
||||
session->send_rtp_sink =
|
||||
|
|
@ -4200,7 +4456,17 @@ create_send_rtp (GstRtpBin * rtpbin, GstPadTemplate * templ, const gchar * name)
|
|||
if (!complete_session_src (rtpbin, session))
|
||||
goto session_src_failed;
|
||||
|
||||
if (!prev) {
|
||||
send_rtp_sink = gst_object_ref (session->send_rtp_sink);
|
||||
} else {
|
||||
GstPad *srcpad = gst_element_get_static_pad (prev, "src");
|
||||
GstPadLinkReturn ret;
|
||||
|
||||
ret = gst_pad_link (srcpad, session->send_rtp_sink);
|
||||
gst_object_unref (srcpad);
|
||||
if (ret != GST_PAD_LINK_OK)
|
||||
goto session_link_failed;
|
||||
}
|
||||
}
|
||||
|
||||
session->send_rtp_sink_ghost =
|
||||
|
|
@ -4237,6 +4503,12 @@ aux_sink_failed:
|
|||
g_warning ("rtpbin: failed to get AUX sink pad for session %u", sessid);
|
||||
return NULL;
|
||||
}
|
||||
aux_link_failed:
|
||||
{
|
||||
g_warning ("rtpbin: failed to link %" GST_PTR_FORMAT " for session %u",
|
||||
aux, sessid);
|
||||
return NULL;
|
||||
}
|
||||
pad_failed:
|
||||
{
|
||||
g_warning ("rtpbin: failed to get session pad for session %u", sessid);
|
||||
|
|
@ -4247,6 +4519,18 @@ session_src_failed:
|
|||
g_warning ("rtpbin: failed to setup source pads for session %u", sessid);
|
||||
return NULL;
|
||||
}
|
||||
session_link_failed:
|
||||
{
|
||||
g_warning ("rtpbin: failed to link %" GST_PTR_FORMAT " for session %u",
|
||||
session, sessid);
|
||||
return NULL;
|
||||
}
|
||||
enc_sink_failed:
|
||||
{
|
||||
g_warning ("rtpbin: failed to get %" GST_PTR_FORMAT
|
||||
" sink pad for session %u", encoder, sessid);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -4258,10 +4542,6 @@ remove_send_rtp (GstRtpBin * rtpbin, GstRtpBinSession * session)
|
|||
session->send_rtp_src_ghost);
|
||||
session->send_rtp_src_ghost = NULL;
|
||||
}
|
||||
if (session->send_rtp_src) {
|
||||
gst_object_unref (session->send_rtp_src);
|
||||
session->send_rtp_src = NULL;
|
||||
}
|
||||
if (session->send_rtp_sink) {
|
||||
gst_element_release_request_pad (GST_ELEMENT_CAST (session->session),
|
||||
session->send_rtp_sink);
|
||||
|
|
|
|||
|
|
@ -102,11 +102,14 @@ struct _GstRtpBinClass {
|
|||
|
||||
void (*new_jitterbuffer) (GstRtpBin *rtpbin, GstElement *jitterbuffer, guint session, guint32 ssrc);
|
||||
|
||||
void (*new_storage) (GstRtpBin *rtpbin, GstElement *jitterbuffer, guint session);
|
||||
|
||||
/* action signals */
|
||||
void (*clear_pt_map) (GstRtpBin *rtpbin);
|
||||
void (*reset_sync) (GstRtpBin *rtpbin);
|
||||
GstElement* (*get_session) (GstRtpBin *rtpbin, guint session);
|
||||
RTPSession* (*get_internal_session) (GstRtpBin *rtpbin, guint session);
|
||||
GObject* (*get_internal_storage) (GstRtpBin *rtpbin, guint session);
|
||||
|
||||
/* session manager signals */
|
||||
void (*on_new_ssrc) (GstRtpBin *rtpbin, guint session, guint32 ssrc);
|
||||
|
|
@ -128,6 +131,9 @@ struct _GstRtpBinClass {
|
|||
GstElement* (*request_aux_sender) (GstRtpBin *rtpbin, guint session);
|
||||
GstElement* (*request_aux_receiver) (GstRtpBin *rtpbin, guint session);
|
||||
|
||||
GstElement* (*request_fec_encoder) (GstRtpBin *rtpbin, guint session);
|
||||
GstElement* (*request_fec_decoder) (GstRtpBin *rtpbin, guint session);
|
||||
|
||||
void (*on_new_sender_ssrc) (GstRtpBin *rtpbin, guint session, guint32 ssrc);
|
||||
void (*on_sender_ssrc_active) (GstRtpBin *rtpbin, guint session, guint32 ssrc);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue