From 44b94295161c2433b7f45ac882bc6c85b4c518de Mon Sep 17 00:00:00 2001
From: Todd Agulnick <todd@agulnick.com>
Date: Sat, 14 Dec 2013 18:12:53 -0500
Subject: [PATCH] decklinksrc: Process EOS even when there are no incoming
 video frames.

https://bugzilla.gnome.org/show_bug.cgi?id=680700
---
 sys/decklink/gstdecklinksrc.cpp | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/sys/decklink/gstdecklinksrc.cpp b/sys/decklink/gstdecklinksrc.cpp
index 6e9e6404aa..7c2683afb6 100644
--- a/sys/decklink/gstdecklinksrc.cpp
+++ b/sys/decklink/gstdecklinksrc.cpp
@@ -362,6 +362,7 @@ gst_decklink_src_send_event (GstElement * element, GstEvent * event)
     case GST_EVENT_EOS:
       g_atomic_int_set (&src->pending_eos, TRUE);
       GST_INFO_OBJECT (src, "EOS pending");
+      g_cond_signal (&src->cond);
       result = TRUE;
       break;
       break;
@@ -745,7 +746,8 @@ gst_decklink_src_task (void *priv)
   GST_DEBUG_OBJECT (decklinksrc, "task");
 
   g_mutex_lock (&decklinksrc->mutex);
-  while (decklinksrc->video_frame == NULL && !decklinksrc->stop) {
+  while (decklinksrc->video_frame == NULL && !decklinksrc->stop &&
+      !decklinksrc->pending_eos) {
     g_cond_wait (&decklinksrc->cond, &decklinksrc->mutex);
   }
   video_frame = decklinksrc->video_frame;
@@ -763,6 +765,13 @@ gst_decklink_src_task (void *priv)
     return;
   }
 
+  if (g_atomic_int_compare_and_exchange (&decklinksrc->pending_eos, TRUE,
+      FALSE)) {
+    GST_INFO_OBJECT (decklinksrc, "EOS pending");
+    flow = GST_FLOW_EOS;
+    goto pause;
+  }
+
   /* warning on dropped frames */
   /* FIXME: post QoS message */
   if (decklinksrc->dropped_frames - decklinksrc->dropped_frames_old > 0) {
@@ -887,12 +896,6 @@ gst_decklink_src_task (void *priv)
   else
     flow = video_flow;
 
-  if (g_atomic_int_compare_and_exchange (&decklinksrc->pending_eos, TRUE,
-      FALSE)) {
-    GST_INFO_OBJECT (decklinksrc, "EOS pending");
-    flow = GST_FLOW_EOS;
-  }
-
   if (flow != GST_FLOW_OK)
     goto pause;