From 72da45d56f04d5880bb0763bca06e7bc7de2e922 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Olivier=20Cr=C3=AAte?= <olivier.crete@collabora.com>
Date: Fri, 23 Aug 2019 12:05:24 -0400
Subject: [PATCH] Set direction in offer

---
 src/main.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/main.c b/src/main.c
index 103a7d8..5694e1a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -54,6 +54,7 @@ on_offer_created (GstPromise *promise, GstElement *webrtcbin)
   GstWebRTCSessionDescription *offer = NULL;
   gchar *sdp;
   GstSDPMedia *media;
+  guint i;
 
   gst_structure_get (gst_promise_get_reply (promise),
       "offer", GST_TYPE_WEBRTC_SESSION_DESCRIPTION, &offer, NULL);
@@ -61,6 +62,18 @@ on_offer_created (GstPromise *promise, GstElement *webrtcbin)
 
   media = (GstSDPMedia *) gst_sdp_message_get_media (offer->sdp, 0);
 
+  for (i = 0; i < gst_sdp_media_attributes_len (media); i++) {
+    const GstSDPAttribute *a = gst_sdp_media_get_attribute (media, i);
+
+    if (!strcmp (a->key, "sendrecv")) {
+      GstSDPAttribute newa;
+
+      newa.key = g_strdup ("sendonly");
+      newa.value = g_strdup ("");
+      gst_sdp_media_replace_attribute (media, i, &newa);
+      break;
+    }
+  }
   gst_sdp_media_add_attribute (media, "fmtp",
       "96 packetization-mode=1;profile-level-id=42e01f");
 
-- 
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