From 576fe462bc51a2d2f71236cf95777be061ee2fae Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward@collabora.com>
Date: Wed, 17 Jul 2013 16:17:54 +0200
Subject: [PATCH] mpeg2dec: Properly reset on sequence changes

Otherwise we end up using stray data/buffers.

Fixes #690701
---
 ext/mpeg2dec/gstmpeg2dec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ext/mpeg2dec/gstmpeg2dec.c b/ext/mpeg2dec/gstmpeg2dec.c
index 87308dd186..502910e81f 100644
--- a/ext/mpeg2dec/gstmpeg2dec.c
+++ b/ext/mpeg2dec/gstmpeg2dec.c
@@ -984,6 +984,8 @@ gst_mpeg2dec_handle_frame (GstVideoDecoder * decoder,
 #if MPEG2_RELEASE >= MPEG2_VERSION (0, 5, 0)
       case STATE_SEQUENCE_MODIFIED:
         GST_DEBUG_OBJECT (mpeg2dec, "sequence modified");
+        mpeg2dec->discont_state = MPEG2DEC_DISC_NEW_PICTURE;
+        gst_mpeg2dec_clear_buffers (mpeg2dec);
         /* fall through */
 #endif
       case STATE_SEQUENCE: