From 31a0a84216583ff270c4dced9d126fdb3ca499c0 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Tue, 18 Oct 2016 15:01:50 +0200
Subject: [PATCH] lavf/avidec: Be more verbose when ignoring very large tag
 size.

---
 libavformat/avidec.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index b29162515b..e5a292ee42 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -984,9 +984,13 @@ FF_ENABLE_DEPRECATION_WARNINGS
             }
         default:
             if (size > 1000000) {
+                char tag_buf[32];
+                av_get_codec_tag_string(tag_buf, sizeof(tag_buf), tag);
                 av_log(s, AV_LOG_ERROR,
                        "Something went wrong during header parsing, "
-                       "I will ignore it and try to continue anyway.\n");
+                       "tag %s has size %u, "
+                       "I will ignore it and try to continue anyway.\n",
+                       tag_buf, size);
                 if (s->error_recognition & AV_EF_EXPLODE)
                     goto fail;
                 avi->movi_list = avio_tell(pb) - 4;