From 5984a1f3c2ce550c8cdf114933e6b0e4fde37586 Mon Sep 17 00:00:00 2001
From: Mathieu Duponchelle <mathieu@centricular.com>
Date: Wed, 11 Apr 2018 22:56:34 +0200
Subject: [PATCH] vorbisenc: do not map input buffer in WRITE mode

---
 ext/vorbis/gstvorbisenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/vorbis/gstvorbisenc.c b/ext/vorbis/gstvorbisenc.c
index cad6d9ae13..681d75eb98 100644
--- a/ext/vorbis/gstvorbisenc.c
+++ b/ext/vorbis/gstvorbisenc.c
@@ -907,7 +907,7 @@ gst_vorbis_enc_handle_frame (GstAudioEncoder * enc, GstBuffer * buffer)
   if (!buffer)
     return gst_vorbis_enc_clear (vorbisenc);
 
-  gst_buffer_map (buffer, &map, GST_MAP_WRITE);
+  gst_buffer_map (buffer, &map, GST_MAP_READ);
 
   /* data to encode */
   size = map.size / (vorbisenc->channels * sizeof (float));