From 80265c6e80465990c4ec35feb72429be8ea35e10 Mon Sep 17 00:00:00 2001
From: uid45177 <none@none>
Date: Fri, 5 Jul 2002 21:12:32 +0000
Subject: checks to avoid segfaulting with (very) broken streams

CVS patchset: 2217
CVS date: 2002/07/05 21:12:32
---
 src/libmpeg2/decode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/libmpeg2/decode.c b/src/libmpeg2/decode.c
index a8b48bb30..7c46f70f3 100644
--- a/src/libmpeg2/decode.c
+++ b/src/libmpeg2/decode.c
@@ -175,7 +175,7 @@ static inline int parse_chunk (mpeg2dec_t * mpeg2dec, int code,
     picture = mpeg2dec->picture;
     is_frame_done = mpeg2dec->in_slice && ((!code) || (code >= 0xb0));
 
-    if (is_frame_done) {
+    if (is_frame_done && picture->current_frame != NULL) {
 	mpeg2dec->in_slice = 0;
 
 	if (((picture->picture_structure == FRAME_PICTURE) ||
@@ -402,7 +402,7 @@ static inline int parse_chunk (mpeg2dec_t * mpeg2dec, int code,
 	    }
 	}
 
-	if (!(mpeg2dec->drop_frame)) {
+	if (!mpeg2dec->drop_frame && picture->current_frame != NULL) {
 	  mpeg2_slice (picture, code, buffer);
 	  if( picture->v_offset > picture->limit_y ) 
 	    picture->current_frame->bad_frame = 0;
-- 
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