From b25e84b7399bd91605596b67d761d3464dbe8a6e Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sun, 2 Feb 2014 13:35:48 +0100
Subject: hevc: check that the VCL NAL types are the same for all slice
 segments of a frame

Fixes possible invalid memory access for mismatching skipped/non-skipped
slice segments.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Sample-Id: 00001533-google
---
 libavcodec/hevc.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libavcodec/hevc.h')

diff --git a/libavcodec/hevc.h b/libavcodec/hevc.h
index a674899..accfcb6 100644
--- a/libavcodec/hevc.h
+++ b/libavcodec/hevc.h
@@ -840,6 +840,8 @@ typedef struct HEVCContext {
     HEVCNAL *nals;
     int nb_nals;
     int nals_allocated;
+    // type of the first VCL NAL of the current frame
+    enum NALUnitType first_nal_type;
 
     // for checking the frame checksums
     struct AVMD5 *md5_ctx;
-- 
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