From 9a090538be874d1d5031b1a225e8ee9d767603c3 Mon Sep 17 00:00:00 2001
From: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
Date: Mon, 16 Apr 2018 14:00:39 -0800
Subject: [PATCH] jpegparse: Fix APP1 marker segment parsing

Reposition the bytereader for proper skipping of
APP1 marker segment if it is not Exif.

https://bugzilla.gnome.org/show_bug.cgi?id=795117
---
 gst/jpegformat/gstjpegparse.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gst/jpegformat/gstjpegparse.c b/gst/jpegformat/gstjpegparse.c
index dd684d79f1..0bfdc80d79 100644
--- a/gst/jpegformat/gstjpegparse.c
+++ b/gst/jpegformat/gstjpegparse.c
@@ -572,6 +572,9 @@ gst_jpeg_parse_app1 (GstJpegParse * parse, GstByteReader * reader)
         APP1, id_str, size);
 
   } else {
+    /* restore the byte position and size */
+    reader->size += 2;
+    reader->byte -= 2;
     if (!gst_jpeg_parse_skip_marker (parse, reader, APP1))
       return FALSE;
   }