From e9b49018ed4d41252f1a21bc015b34f8c01354b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Wed, 28 Jan 2015 17:02:59 +0100
Subject: [PATCH] decklinkvideosink: Always lock the mutex before starting the
 streams

---
 sys/decklink/gstdecklinkvideosink.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/decklink/gstdecklinkvideosink.cpp b/sys/decklink/gstdecklinkvideosink.cpp
index 6f3f1a1a2a..ea210c9cd2 100644
--- a/sys/decklink/gstdecklinkvideosink.cpp
+++ b/sys/decklink/gstdecklinkvideosink.cpp
@@ -738,8 +738,10 @@ gst_decklink_video_sink_change_state (GstElement * element,
       break;
     }
     case GST_STATE_CHANGE_PAUSED_TO_PLAYING:{
+      g_mutex_lock (&self->output->lock);
       if (self->output->start_scheduled_playback)
         self->output->start_scheduled_playback (self->output->videosink);
+      g_mutex_unlock (&self->output->lock);
       break;
     }
     default: