From 59c028a4ceb96a71e7d37c965ff72d9bc2cc4641 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Olivier=20Cr=C3=AAte?= <olivier.crete@collabora.com>
Date: Wed, 31 Aug 2011 14:35:33 -0400
Subject: [PATCH] rtpsession: Hack to FIR because Google doesn't set the sender
 ssrc correctly

https://bugzilla.gnome.org/show_bug.cgi?id=658419
---
 gst/rtpmanager/rtpsession.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/gst/rtpmanager/rtpsession.c b/gst/rtpmanager/rtpsession.c
index 1a651e08b7..9a7d2da6b5 100644
--- a/gst/rtpmanager/rtpsession.c
+++ b/gst/rtpmanager/rtpsession.c
@@ -2228,6 +2228,23 @@ rtp_session_process_fir (RTPSession * sess, guint32 sender_ssrc,
   src = g_hash_table_lookup (sess->ssrcs[sess->mask_idx],
       GINT_TO_POINTER (sender_ssrc));
 
+  /* Hack because Google fails to set the sender_ssrc correctly */
+  if (!src && sender_ssrc == 1) {
+    GHashTableIter iter;
+
+    if (sess->stats.sender_sources >
+        RTP_SOURCE_IS_SENDER (sess->source) ? 2 : 1)
+      return;
+
+    g_hash_table_iter_init (&iter, sess->ssrcs[sess->mask_idx]);
+
+    while (g_hash_table_iter_next (&iter, NULL, (gpointer *) & src)) {
+      if (src != sess->source && rtp_source_is_sender (src))
+        break;
+      src = NULL;
+    }
+  }
+
   if (!src)
     return;