From ed215068966c381f4528b9b201775eb8fa80a872 Mon Sep 17 00:00:00 2001
From: Santiago Carot-Nemesio <sancane@gmail.com>
Date: Thu, 28 May 2015 15:59:02 +0200
Subject: [PATCH] dtlssrtpdec: Release requested pads

https://bugzilla.gnome.org/show_bug.cgi?id=750036
---
 ext/dtls/gstdtlssrtpdec.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/ext/dtls/gstdtlssrtpdec.c b/ext/dtls/gstdtlssrtpdec.c
index a86a8d7085..5e29a0fc63 100644
--- a/ext/dtls/gstdtlssrtpdec.c
+++ b/ext/dtls/gstdtlssrtpdec.c
@@ -84,6 +84,8 @@ static void gst_dtls_srtp_dec_get_property (GObject *, guint prop_id,
 
 static GstPad *gst_dtls_srtp_dec_request_new_pad (GstElement *,
     GstPadTemplate *, const gchar * name, const GstCaps *);
+static void gst_dtls_srtp_dec_release_pad (GstElement *, GstPad *);
+
 static GstCaps *on_decoder_request_key (GstElement * srtp_decoder, guint ssrc,
     GstDtlsSrtpBin *);
 static void on_peer_pem (GstElement * srtp_decoder, GParamSpec * pspec,
@@ -111,6 +113,8 @@ gst_dtls_srtp_dec_class_init (GstDtlsSrtpDecClass * klass)
 
   element_class->request_new_pad =
       GST_DEBUG_FUNCPTR (gst_dtls_srtp_dec_request_new_pad);
+  element_class->release_pad =
+      GST_DEBUG_FUNCPTR (gst_dtls_srtp_dec_release_pad);
 
   dtls_srtp_bin_class->remove_dtls_element =
       GST_DEBUG_FUNCPTR (gst_dtls_srtp_dec_remove_dtls_element);
@@ -314,6 +318,31 @@ gst_dtls_srtp_dec_request_new_pad (GstElement * element,
   g_return_val_if_reached (NULL);
 }
 
+static void
+gst_dtls_srtp_dec_release_pad (GstElement * element, GstPad * pad)
+{
+  GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
+  GstDtlsSrtpDec *self = GST_DTLS_SRTP_DEC (element);
+
+  if (GST_PAD_PAD_TEMPLATE (pad) ==
+      gst_element_class_get_pad_template (klass, "data_src")) {
+    GstGhostPad *ghost_pad;
+    GstPad *target_pad;
+
+    ghost_pad = GST_GHOST_PAD (pad);
+    target_pad = gst_ghost_pad_get_target (ghost_pad);
+
+    if (target_pad != NULL) {
+      gst_element_release_request_pad (self->bin.dtls_element, target_pad);
+
+      gst_object_unref (target_pad);
+      gst_ghost_pad_set_target (GST_GHOST_PAD (pad), NULL);
+    }
+  }
+
+  gst_element_remove_pad (element, pad);
+}
+
 static GstCaps *
 on_decoder_request_key (GstElement * srtp_decoder,
     guint ssrc, GstDtlsSrtpBin * bin)