From 5bb889a3df53c9cce08927051799d8319a5acb89 Mon Sep 17 00:00:00 2001
From: George Kiagiadakis <george.kiagiadakis@collabora.com>
Date: Tue, 11 Mar 2014 17:48:46 +0200
Subject: [PATCH] waylandsink: Use a boolean in combination with render_cond to
 comply with GCond's usage documentation

---
 ext/wayland/gstwaylandsink.c | 12 ++++++++----
 ext/wayland/gstwaylandsink.h |  1 +
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/ext/wayland/gstwaylandsink.c b/ext/wayland/gstwaylandsink.c
index ad2474e853..72c709bb92 100644
--- a/ext/wayland/gstwaylandsink.c
+++ b/ext/wayland/gstwaylandsink.c
@@ -585,6 +585,7 @@ gst_wayland_sink_render (GstBaseSink * bsink, GstBuffer * buffer)
   render_last_buffer (sink);
 
   /* notify _resume_rendering() in case it's waiting */
+  sink->rendered = TRUE;
   g_cond_broadcast (&sink->render_cond);
 
   if (buffer != to_render)
@@ -736,11 +737,14 @@ gst_wayland_sink_resume_rendering (GstWaylandVideo * video)
   GST_OBJECT_LOCK (sink);
   sink->drawing_frozen = FALSE;
 
-  if (GST_STATE (sink) == GST_STATE_PLAYING)
-    g_cond_wait (&sink->render_cond, GST_OBJECT_GET_LOCK (sink));
-  else if (sink->window && sink->last_buffer &&
-      g_atomic_int_get (&sink->redraw_pending) == FALSE)
+  if (GST_STATE (sink) == GST_STATE_PLAYING) {
+    sink->rendered = FALSE;
+    while (sink->rendered == FALSE)
+      g_cond_wait (&sink->render_cond, GST_OBJECT_GET_LOCK (sink));
+  } else if (sink->window && sink->last_buffer &&
+      g_atomic_int_get (&sink->redraw_pending) == FALSE) {
     render_last_buffer (sink);
+  }
 
   GST_OBJECT_UNLOCK (sink);
 }
diff --git a/ext/wayland/gstwaylandsink.h b/ext/wayland/gstwaylandsink.h
index bbbdbb6c4c..38f25acee6 100644
--- a/ext/wayland/gstwaylandsink.h
+++ b/ext/wayland/gstwaylandsink.h
@@ -63,6 +63,7 @@ struct _GstWaylandSink
 
   gboolean redraw_pending;
   gboolean drawing_frozen;
+  gboolean rendered;
   GCond render_cond;
   GstBuffer *last_buffer;
 };