From 666749f6694510764253ed5602ed5d1cdcfb243f Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Tue, 11 Mar 2014 09:56:38 +0100
Subject: [PATCH] Decode png images without iend chunk.

Fixes ticket #3357.
---
 libavcodec/pngdec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index 516dd41f0c..985517d88d 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -546,6 +546,9 @@ static int decode_frame(AVCodecContext *avctx,
     for (;;) {
         if (bytestream2_get_bytes_left(&s->gb) <= 0) {
             av_log(avctx, AV_LOG_ERROR, "No bytes left\n");
+            if (   s->state & PNG_ALLIMAGE
+                && avctx->strict_std_compliance <= FF_COMPLIANCE_NORMAL)
+                goto exit_loop;
             goto fail;
         }