From 6005f375aab60d620badc2726d1f43dcca9f94cc Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 7 Feb 2015 03:45:14 +0100
Subject: [PATCH] avcodec/h264_slice: assert that reinit does not occur after
 the first slice

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 2fd9ce92af43e6dcbc8ed7c26c00b052de48ccad)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/h264_slice.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index 641ec23af4..8b4511ce47 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -1480,6 +1480,8 @@ int ff_h264_decode_slice_header(H264Context *h, H264Context *h0)
             return AVERROR_INVALIDDATA;
         }
 
+        av_assert1(first_slice);
+
         ff_h264_flush_change(h);
 
         if ((ret = get_pixel_format(h, 1)) < 0)