[longomatch/0.20] Fix memory leak with discarded buffers

[Andoni Morales Alastruey <amorales src gnome org>]

commit cd56aa3039da55e7c3b40d02763d996802c4c5da
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Sat Aug 16 00:12:44 2014 +0200

    Fix memory leak with discarded buffers

 libcesarplayer/gst-nle-source.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/libcesarplayer/gst-nle-source.c b/libcesarplayer/gst-nle-source.c
index 86b922e..4d45a16 100644
--- a/libcesarplayer/gst-nle-source.c
+++ b/libcesarplayer/gst-nle-source.c
@@ -284,7 +284,12 @@ gst_nle_source_push_buffer (GstNleSource * nlesrc, GstBuffer * buf,
 
   item = (GstNleSrcItem *) g_list_nth_data (nlesrc->queue, nlesrc->index);
   buf_ts = GST_BUFFER_TIMESTAMP (buf);
+
   if (buf_ts < item->start) {
+    GST_LOG_OBJECT (nlesrc, "Discard early %s buffer with ts: %"
+      GST_TIME_FORMAT" start: %" GST_TIME_FORMAT, is_audio ? "audio" : "video",
+      GST_TIME_ARGS (buf_ts), GST_TIME_ARGS (item->start));
+    gst_buffer_unref (buf);
     return GST_FLOW_OK;
   }
   buf_rel_ts = buf_ts - item->start;