matroskademux: Add AAC profile/level to the caps

https://bugzilla.gnome.org/show_bug.cgi?id=703312

gst/matroska/matroska-demux.c

@@ -5441,6 +5441,9 @@ gst_matroska_demux_audio_caps (GstMatroskaTrackAudioContext *
           "framed", G_TYPE_BOOLEAN, TRUE,
           "stream-format", G_TYPE_STRING, "raw", NULL);
       gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER, priv, NULL);
+      if (context->codec_priv && context->codec_priv_size > 0)
+        gst_codec_utils_aac_caps_set_level_and_profile (caps,
+            context->codec_priv, context->codec_priv_size);
       *codec_name = g_strdup_printf ("MPEG-%d AAC audio", mpegversion);
       gst_buffer_unref (priv);
     }