From 115e158a582e3ea29d96da965743e15820223e1f Mon Sep 17 00:00:00 2001
From: "sangkyu.choi" <sangkyu.choi@lge.com>
Date: Wed, 8 Jul 2015 13:47:40 +0900
Subject: [PATCH] mpegaudioparse: dummy data skip condition

Detailed Notes:
we consider the 0xff data following mp3 header (0xffff) as the invalid data
---
 gst/audioparsers/gstmpegaudioparse.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gst/audioparsers/gstmpegaudioparse.c b/gst/audioparsers/gstmpegaudioparse.c
index 88d31bf..a08c5fa 100644
--- a/gst/audioparsers/gstmpegaudioparse.c
+++ b/gst/audioparsers/gstmpegaudioparse.c
@@ -612,6 +612,7 @@ gst_mpeg_audio_parse_handle_frame (GstBaseParse * parse,
   guint bitrate, layer, rate, channels, version, mode, crc;
   GstMapInfo map;
   gboolean res = FALSE;
+  gsize dummySize = 0;
 
   gst_buffer_map (buf, &map, GST_MAP_READ);
   if (G_UNLIKELY (map.size < 6)) {
@@ -621,6 +622,15 @@ gst_mpeg_audio_parse_handle_frame (GstBaseParse * parse,
 
   gst_byte_reader_init (&reader, map.data, map.size);
 
+  while (dummySize < map.size && map.data[dummySize] == 0xff) {
+    dummySize++;
+  }
+
+  if (dummySize == map.size) {
+    *skipsize = map.size - 3;
+    goto cleanup;
+  }
+
   off = gst_byte_reader_masked_scan_uint32 (&reader, 0xffe00000, 0xffe00000,
       0, map.size);
 
-- 
1.9.1