From 56c70e1d3a1cde2f7490780a4924e6b6e87e4c47 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 3 Mar 2007 21:33:33 +0000
Subject: [PATCH] check for no frame and prevent segfault
Originally committed as revision 8211 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/h264.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 9c568c00333..10beead96af 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -8355,6 +8355,11 @@ static int decode_frame(AVCodecContext *avctx,
if(buf_index < 0)
return -1;
+ if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
+ av_log(avctx, AV_LOG_ERROR, "no frame!\n");
+ return -1;
+ }
+
if(!(s->flags2 & CODEC_FLAG2_CHUNKS) || (s->mb_y >= s->mb_height && s->mb_height)){
Picture *out = s->current_picture_ptr;
Picture *cur = s->current_picture_ptr;
--
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