From 82570d2f09e76d262f4eb57b591b08c4aa64729a Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 2 Jun 2012 21:12:20 +0200
Subject: [PATCH] png_parser: dont falsely mark frames as keyframes

Fixes Ticket1381

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/png_parser.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/png_parser.c b/libavcodec/png_parser.c
index 7f6fabb0a2..47056fa251 100644
--- a/libavcodec/png_parser.c
+++ b/libavcodec/png_parser.c
@@ -45,6 +45,8 @@ static int png_parse(AVCodecParserContext *s, AVCodecContext *avctx,
     int next = END_NOT_FOUND;
     int i = 0;
 
+    s->pict_type = AV_PICTURE_TYPE_NONE;
+
     *poutbuf_size = 0;
     if (buf_size == 0)
         return 0;