diff --git a/gst/mpegaudioparse/gstmpegaudioparse.c b/gst/mpegaudioparse/gstmpegaudioparse.c
index 177a5d3d94..c6c79655f6 100644
--- a/gst/mpegaudioparse/gstmpegaudioparse.c
+++ b/gst/mpegaudioparse/gstmpegaudioparse.c
@@ -258,7 +258,7 @@ gst_mp3parse_chain (GstPad *pad, GstBuffer *buf)
   /* if we have something left from the previous frame */
   if (mp3parse->partialbuf) {
 
-    mp3parse->partialbuf = gst_buffer_append(mp3parse->partialbuf, buf);
+    mp3parse->partialbuf = gst_buffer_merge(mp3parse->partialbuf, buf);
     /* and the one we received.. */
     gst_buffer_unref(buf);
   }
diff --git a/gst/mpegstream/gstmpegparse.c b/gst/mpegstream/gstmpegparse.c
index 8d2d61dd5c..7938c0bb74 100644
--- a/gst/mpegstream/gstmpegparse.c
+++ b/gst/mpegstream/gstmpegparse.c
@@ -380,13 +380,15 @@ gst_mpeg_parse_loop (GstElement *element)
         mpeg_parse->discont_pending = TRUE;
         mpeg_parse->scr_pending = TRUE;
         mpeg_parse->packetize->resync = TRUE;
-	gst_event_free (event);
+	gst_event_unref (event);
 	return;
       default:
 	break;
     }
     if (CLASS (mpeg_parse)->send_data)
       CLASS (mpeg_parse)->send_data (mpeg_parse, data, time);
+    else
+      gst_event_unref (event);
   }
   else {
     guint64 size;
@@ -498,6 +500,7 @@ gst_mpeg_parse_handle_src_event (GstPad *pad, GstEvent *event)
       guint64 desired_offset;
 
       if (GST_EVENT_SEEK_FORMAT (event) != GST_FORMAT_TIME) {
+        gst_event_unref (event);
         return FALSE;
       }
 
@@ -506,6 +509,7 @@ gst_mpeg_parse_handle_src_event (GstPad *pad, GstEvent *event)
       desired_offset = mpeg_parse->bit_rate * GST_EVENT_SEEK_OFFSET (event) / (8 * GST_SECOND);
 
       if (!gst_bytestream_seek (mpeg_parse->packetize->bs, desired_offset, GST_SEEK_METHOD_SET)) {
+        gst_event_unref (event);
 	return FALSE;
       }
       mpeg_parse->discont_pending = TRUE;
@@ -517,6 +521,7 @@ gst_mpeg_parse_handle_src_event (GstPad *pad, GstEvent *event)
       break;
   }
 
+  gst_event_unref (event);
   return res;
 }
 
diff --git a/gst/mpegstream/gstrfc2250enc.c b/gst/mpegstream/gstrfc2250enc.c
index 843891b0ab..c9b83e87a0 100644
--- a/gst/mpegstream/gstrfc2250enc.c
+++ b/gst/mpegstream/gstrfc2250enc.c
@@ -168,7 +168,7 @@ gst_rfc2250_enc_add_slice (GstRFC2250Enc *enc, GstBuffer *buffer)
 
   /* see if the slice fits in the current buffer */
   if (slice_length <= enc->remaining) {
-    gst_buffer_append (enc->packet, buffer);
+    gst_buffer_merge (enc->packet, buffer);
     gst_buffer_unref (buffer);
     enc->remaining -= slice_length;
   }
@@ -177,7 +177,7 @@ gst_rfc2250_enc_add_slice (GstRFC2250Enc *enc, GstBuffer *buffer)
     /* do we need to start a new packet? */
     if (slice_length <= enc->MTU) {
       gst_rfc2250_enc_new_buffer (enc);
-      gst_buffer_append (enc->packet, buffer);
+      gst_buffer_merge (enc->packet, buffer);
       gst_buffer_unref (buffer);
       enc->remaining -= slice_length;
     }
@@ -189,7 +189,7 @@ gst_rfc2250_enc_add_slice (GstRFC2250Enc *enc, GstBuffer *buffer)
 	GstBuffer *outbuf;
 
 	outbuf = gst_buffer_create_sub (buffer, offset, MIN (enc->remaining, slice_length));
-        gst_buffer_append (enc->packet, outbuf);
+        gst_buffer_merge (enc->packet, outbuf);
 	slice_length -= GST_BUFFER_SIZE (outbuf);
 	offset += GST_BUFFER_SIZE (outbuf);
 	gst_buffer_unref (outbuf);
@@ -251,7 +251,7 @@ gst_rfc2250_enc_loop (GstElement *element)
 
     }
     if (buffer) {
-      gst_buffer_append (enc->packet, buffer);
+      gst_buffer_merge (enc->packet, buffer);
       enc->remaining -= GST_BUFFER_SIZE (buffer);
       gst_buffer_unref (buffer);
     }