2018-11-07 1:07 GMT+01:00, Marton Balint <c...@passwd.hu>:
>
>
> On Wed, 7 Nov 2018, Carl Eugen Hoyos wrote:
>
>> Hi!
>>
>> Attached patch silences the console flooding for incomplete apng files
>> and fixes ticket #7536:
>> In-stream tag=[0][0][0][0] (0x00000000) len=0 is not implemented.
>> Update your FFmpeg version...
>>
>> Please comment, Carl Eugen
>>
>
>>+
>>+ if (pb->eof_reached)
>>+ return AVERROR_EOF;
>>+
>
> Why not avio_feof(pb)?
New patch attached.
Please comment, Carl Eugen
From ec289871a5ee8e47c46a5c9afcc7385d673472c8 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceffm...@gmail.com>
Date: Wed, 7 Nov 2018 01:31:18 +0100
Subject: [PATCH] lavf/apngdec: Return EOF for incomplete files.
Fixes ticket #7536.
---
libavformat/apngdec.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavformat/apngdec.c b/libavformat/apngdec.c
index f9a97e5..53cdd45 100644
--- a/libavformat/apngdec.c
+++ b/libavformat/apngdec.c
@@ -342,6 +342,10 @@ static int apng_read_packet(AVFormatContext *s, AVPacket *pkt)
len = avio_rb32(pb);
tag = avio_rl32(pb);
+
+ if (avio_feof(pb))
+ return AVERROR_EOF;
+
switch (tag) {
case MKTAG('f', 'c', 'T', 'L'):
if (len != 26)
--
1.7.10.4
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
