baseparse: Make sure to set the DISCONT flag on the first buffer of each GOP in rever...

diff --git a/libs/gst/base/gstbaseparse.c b/libs/gst/base/gstbaseparse.c
index bc5a513..93d1ed2 100644 (file)
--- a/libs/gst/base/gstbaseparse.c
+++ b/libs/gst/base/gstbaseparse.c
@@ -2501,6 +2501,7 @@ gst_base_parse_send_buffers (GstBaseParse * parse)
   GSList *send = NULL;
   GstBuffer *buf;
   GstFlowReturn ret = GST_FLOW_OK;
+  gboolean first = TRUE;
 
   send = parse->priv->buffers_send;
 
@@ -2514,6 +2515,13 @@ gst_base_parse_send_buffers (GstBaseParse * parse)
         GST_TIME_ARGS (GST_BUFFER_PTS (buf)),
         GST_TIME_ARGS (GST_BUFFER_DURATION (buf)), GST_BUFFER_OFFSET (buf));
 
+    /* Make sure the first buffer is always DISCONT. If we split
+     * GOPs inside the parser this is otherwise not guaranteed */
+    if (first) {
+      GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DISCONT);
+      first = FALSE;
+    }
+
     /* iterate output queue an push downstream */
     ret = gst_pad_push (parse->srcpad, buf);
     send = g_slist_delete_link (send, send);