From 882a710c29506ce4a3dd2c799a36f5b5c3e5ca9a Mon Sep 17 00:00:00 2001
From: Wim Taymans <wim.taymans@gmail.com>
Date: Wed, 30 Apr 2008 09:48:11 +0000
Subject: [PATCH] ext/speex/gstspeexdec.c: Produce concealment data when time
 progresses in a segment update.

Original commit message from CVS:
* ext/speex/gstspeexdec.c: (speex_dec_sink_event),
(speex_dec_chain_parse_data):
Produce concealment data when time progresses in a segment update.
---
 ChangeLog               |  6 ++++++
 ext/speex/gstspeexdec.c | 13 +++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 6c0f2f3725..4ffe44f391 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-04-30  Wim Taymans  <wim.taymans@collabora.co.uk>
+
+	* ext/speex/gstspeexdec.c: (speex_dec_sink_event),
+	(speex_dec_chain_parse_data):
+	Produce concealment data when time progresses in a segment update.
+
 2008-04-29  Wim Taymans  <wim.taymans@collabora.co.uk>
 
 	* ext/speex/gstspeexdec.c: (speex_dec_chain_parse_data),
diff --git a/ext/speex/gstspeexdec.c b/ext/speex/gstspeexdec.c
index 01e9d2b3df..c0cba93060 100644
--- a/ext/speex/gstspeexdec.c
+++ b/ext/speex/gstspeexdec.c
@@ -460,6 +460,18 @@ speex_dec_sink_event (GstPad * pad, GstEvent * event)
       if (rate <= 0.0)
         goto newseg_wrong_rate;
 
+      if (update) {
+        /* time progressed without data, see if we can fill the gap with
+         * some concealment data */
+        if (dec->segment.last_stop < start) {
+          GstClockTime duration;
+
+          duration = dec->segment.last_stop - start;
+          speex_dec_chain_parse_data (dec, NULL, dec->segment.last_stop,
+              duration);
+        }
+      }
+
       /* now configure the values */
       gst_segment_set_newsegment_full (&dec->segment, update,
           rate, arate, GST_FORMAT_TIME, start, stop, time);
@@ -654,6 +666,7 @@ speex_dec_chain_parse_data (GstSpeexDec * dec, GstBuffer * buf,
 
     /* copy timestamp */
   } else {
+    /* concealment data, pass NULL as the bits parameters */
     GST_DEBUG_OBJECT (dec, "creating concealment data");
     fpp = dec->header->frames_per_packet;
     bits = NULL;