From 9b4950c7db3605ecf62ddf65f83420cc3249172e Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Mon, 29 Sep 2014 00:10:13 +0200
Subject: linking depayloaders worsk now

---
 src/pipelines.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 50 insertions(+), 8 deletions(-)

(limited to 'src/pipelines.c')

diff --git a/src/pipelines.c b/src/pipelines.c
index 3a092a4..41fee4f 100644
--- a/src/pipelines.c
+++ b/src/pipelines.c
@@ -37,6 +37,7 @@
 
 #include <gst/gst.h>
 #include <stdio.h>
+#include <string.h>
 
 #include "options.h"
 #include "utils.h"
@@ -336,14 +337,47 @@ GstElement* create_sender_pipeline(options_t* opt, struct udp_sinks *udp)
   rtpbin. ! $V_DEPAY ! tee ! queue ! $V_DECODER ! tee ! queue ! $V_SINK
   rtpbin. ! $A_DEPAY ! tee ! queue ! $A_DECODER ! tee ! queue ! $A_SINK
 */
-static void rtp_new_ssrc(GstElement *rtpbin, guint session, guint ssrc, gpointer user_data)
-{
-  log_printf(DEBUG, "rtpbin: new SSRC %u for session %u", ssrc, session);
-}
 
-static void rtp_ssrc_validated(GstElement *rtpbin, guint session, guint ssrc, gpointer user_data)
+static void rtpbin_pad_added(GstElement* rtp, GstPad* pad, gpointer user_data)
 {
-  log_printf(DEBUG, "rtpbin: SSRC %u for session %u got validated", ssrc, session);
+  GstElement **depays = (GstElement**)user_data;
+
+  GstPadTemplate  *pad_template = gst_pad_get_pad_template(pad);
+  if(pad_template == NULL) return;
+  if(strcmp("recv_rtp_src_%u_%u_%u", GST_PAD_TEMPLATE_NAME_TEMPLATE(pad_template))) {
+    gst_object_unref(GST_OBJECT(pad_template));
+    return;
+  }
+  gst_object_unref(GST_OBJECT(pad_template));
+
+  gchar* src_pad_name = gst_element_get_name(pad);
+  log_printf(DEBUG, "rtpbin: new pad created %s", src_pad_name);
+
+  guint i;
+  for(i = 0; i < 2; i++) {
+    GstPad *sink_pad = gst_element_get_static_pad(depays[i], "sink");
+    if(gst_pad_is_linked(sink_pad) || !gst_pad_can_link(pad, sink_pad)) {
+      gst_object_unref(GST_OBJECT(sink_pad));
+      continue;
+    }
+    GstPadLinkReturn ret = gst_pad_link(pad, sink_pad);
+    gst_object_unref(GST_OBJECT(sink_pad));
+
+    if(GST_PAD_LINK_FAILED(ret)) {
+      gchar* src_name = gst_element_get_name(rtp);
+      gchar* sink_name = gst_element_get_name(depays[i]);
+      log_printf(ERROR, "Error linking pad '%s' of '%s' with pad '%s' of '%s'",
+                 src_pad_name, src_name, "sink", sink_name);
+      g_free(src_name);
+      g_free(sink_name);
+      continue;
+    }
+    break;
+  }
+  if(!gst_pad_is_linked(pad)) {
+    log_printf(ERROR, "rtpbin :no compatible element found for pad %s", src_pad_name);
+  }
+  g_free(src_pad_name);
 }
 
 GstElement* create_receiver_pipeline(options_t* opt, struct udp_sources *udp)
@@ -358,8 +392,16 @@ GstElement* create_receiver_pipeline(options_t* opt, struct udp_sources *udp)
     return NULL;
   }
   log_printf(DEBUG, "rtpbin created successfully!");
-  g_signal_connect(rtp, "on-new-ssrc", G_CALLBACK(rtp_new_ssrc), NULL);
-  g_signal_connect(rtp, "on-ssrc-validated", G_CALLBACK(rtp_ssrc_validated), NULL);
+
+  GstElement **depays = g_new(GstElement*, 2);
+  depays[0] = sydra_create_element(opt->video_depayloader_, NULL);
+  depays[1] = sydra_create_element(opt->audio_depayloader_, NULL);
+  if(!depays[0] || !depays[1]) {
+    log_printf(ERROR, "creating depayloaders failed");
+    return NULL;
+  }
+  gst_bin_add_many(GST_BIN(pipeline), depays[0], depays[1], NULL);
+  g_signal_connect_closure(rtp, "pad-added", g_cclosure_new(G_CALLBACK(rtpbin_pad_added), depays, NULL), FALSE);
 
   if(!create_udp_sources(opt, pipeline, rtp, udp)) {
     return NULL;
-- 
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