diff --git a/gst/qtdemux/qtdemux.c b/gst/qtdemux/qtdemux.c
index 0246175..925ea07 100644
--- a/gst/qtdemux/qtdemux.c
+++ b/gst/qtdemux/qtdemux.c
@@ -3331,6 +3331,7 @@
 
     child = g_node_new ((guint8 *) buf);
     g_node_append (node, child);
+    GST_LOG_OBJECT (qtdemux, "adding new node of len %d", len);
     qtdemux_parse_node (qtdemux, child, buf, len);
 
     buf += len;
@@ -5278,10 +5279,9 @@
         {
           gint len = QT_UINT32 (stsd_data);
 
-          if (len > 0x34) {
-            GstBuffer *buf = gst_buffer_new_and_alloc (len - 0x34);
-
-            memcpy (GST_BUFFER_DATA (buf), stsd_data + 0x34, len - 0x34);
+          if (len >= 132) {
+            GstBuffer *buf = gst_buffer_new_and_alloc (36);
+            memcpy (GST_BUFFER_DATA (buf), stsd_data + 88, 36);
             gst_caps_set_simple (stream->caps,
                 "codec_data", GST_TYPE_BUFFER, buf, NULL);
             gst_buffer_unref (buf);
diff --git a/gst/qtdemux/qtdemux_types.c b/gst/qtdemux/qtdemux_types.c
index ef79d1d..f740218 100644
--- a/gst/qtdemux/qtdemux_types.c
+++ b/gst/qtdemux/qtdemux_types.c
@@ -86,6 +86,7 @@
   {FOURCC_colr, "colr", 0,},
   {FOURCC_fiel, "fiel", 0,},
   {FOURCC_jp2x, "jp2x", 0,},
+  {FOURCC_alac, "alac", 0,},
   {FOURCC_wave, "wave", QT_FLAG_CONTAINER},
   {FOURCC_appl, "appl", QT_FLAG_CONTAINER},
   {FOURCC_esds, "esds", 0},