From 090e1390480003fef368cce880e710580edffbd8 Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward.hervey@collabora.co.uk>
Date: Wed, 18 Jul 2012 18:32:54 +0200
Subject: [PATCH] mpeg2dec: Call gst_video_decoder_negotiate()

---
 ext/mpeg2dec/gstmpeg2dec.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/ext/mpeg2dec/gstmpeg2dec.c b/ext/mpeg2dec/gstmpeg2dec.c
index 993dd9c132..caef8bb92e 100644
--- a/ext/mpeg2dec/gstmpeg2dec.c
+++ b/ext/mpeg2dec/gstmpeg2dec.c
@@ -714,6 +714,9 @@ handle_sequence (GstMpeg2dec * mpeg2dec, const mpeg2_info_t * info)
   gst_video_decoder_set_latency (GST_VIDEO_DECODER (mpeg2dec), latency,
       latency);
 
+  if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (mpeg2dec)))
+    goto negotiation_fail;
+
   gst_video_codec_state_unref (state);
 
   mpeg2_custom_fbuf (mpeg2dec->decoder, 1);
@@ -740,6 +743,12 @@ invalid_size:
         sequence->width, sequence->height);
     return GST_FLOW_ERROR;
   }
+
+negotiation_fail:
+  {
+    GST_WARNING_OBJECT (mpeg2dec, "Failed to negotiate with downstream");
+    return GST_FLOW_ERROR;
+  }
 }
 
 static GstFlowReturn