From 06be075cda0a6ba8bab8f543571b380884f562ac Mon Sep 17 00:00:00 2001 From: Laurent Aimar Date: Tue, 27 Sep 2011 22:15:32 +0000 Subject: xan: Prevent NULL dereferences with missing reference frame Signed-off-by: Janne Grunau --- libavcodec/xan.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'libavcodec/xan.c') diff --git a/libavcodec/xan.c b/libavcodec/xan.c index f21075c3bf..9e58a77f19 100644 --- a/libavcodec/xan.c +++ b/libavcodec/xan.c @@ -224,6 +224,8 @@ static inline void xan_wc3_copy_pixel_run(XanContext *s, palette_plane = s->current_frame.data[0]; prev_palette_plane = s->last_frame.data[0]; + if (!prev_palette_plane) + prev_palette_plane = palette_plane; stride = s->current_frame.linesize[0]; line_inc = stride - width; curframe_index = y * stride + x; -- cgit v1.2.3