From caa41d1e4c9678286699428aa461b210f05da5c9 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Sat, 16 May 2015 23:31:44 +0200
Subject: [PATCH] lavf/mov: Tell users about the use_absolute_path option.

Fixes ticket #4539.
---
 libavformat/mov.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 3d8cbe9603..ed2afd4215 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -2662,6 +2662,11 @@ static int mov_open_dref(MOVContext *c, AVIOContext **pb, const char *src, MOVDr
     } else if (c->fc->open_cb) {
         if (!open_func(c->fc, pb, ref->path, AVIO_FLAG_READ, int_cb, NULL))
             return 0;
+    } else {
+        av_log(c->fc, AV_LOG_ERROR,
+               "Absolute path %s not tried for security reasons, "
+               "set demuxer option use_absolute_path to allow absolute paths\n",
+               ref->path);
     }
 
     return AVERROR(ENOENT);