From 59d3656f6ed8ef9f0d95673de0cc1e44614cb765 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 8 Dec 2011 13:38:13 +0100 Subject: [PATCH] escape130: Check dimensions to be a multiple of the block size. Signed-off-by: Michael Niedermayer --- libavcodec/escape130.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/escape130.c b/libavcodec/escape130.c index 1198010881..e7ba7bd508 100644 --- a/libavcodec/escape130.c +++ b/libavcodec/escape130.c @@ -43,6 +43,11 @@ static av_cold int escape130_decode_init(AVCodecContext *avctx) Escape130Context *s = avctx->priv_data; avctx->pix_fmt = PIX_FMT_YUV420P; + if((avctx->width&1) || (avctx->height&1)){ + av_log(avctx, AV_LOG_ERROR, "Dimensions are not a multiple of the block size\n"); + return AVERROR(EINVAL); + } + s->bases= av_malloc(avctx->width * avctx->height /4); return 0;