From db5b4875514eb7740844f514dbf236c9179a6a93 Mon Sep 17 00:00:00 2001 From: Laurent Aimar Date: Sat, 1 Oct 2011 02:04:45 +0200 Subject: Reject video with non multiple of 16 width/height in the 4xm decoder. Signed-off-by: Michael Niedermayer --- libavcodec/4xm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/4xm.c b/libavcodec/4xm.c index 94cfb82668..f2a82573b4 100644 --- a/libavcodec/4xm.c +++ b/libavcodec/4xm.c @@ -885,6 +885,10 @@ static av_cold int decode_init(AVCodecContext *avctx){ av_log(avctx, AV_LOG_ERROR, "extradata wrong or missing\n"); return 1; } + if((avctx->width % 16) || (avctx->height % 16)) { + av_log(avctx, AV_LOG_ERROR, "unsupported width/height\n"); + return AVERROR_INVALIDDATA; + } avcodec_get_frame_defaults(&f->current_picture); avcodec_get_frame_defaults(&f->last_picture); -- cgit v1.2.3