From b55aa7df6b79746541f05d65c414961f49f46f68 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 16 Nov 2011 15:10:26 +0100 Subject: cinepak: Fix division by zero, ask for sample if encoded_buf_size is 0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Michael Niedermayer Signed-off-by: Martin Storsjö --- libavcodec/cinepak.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'libavcodec/cinepak.c') diff --git a/libavcodec/cinepak.c b/libavcodec/cinepak.c index f8b5352e35..0dbdeab354 100644 --- a/libavcodec/cinepak.c +++ b/libavcodec/cinepak.c @@ -330,6 +330,10 @@ static int cinepak_decode (CinepakContext *s) /* if this is the first frame, check for deviant Sega FILM data */ if (s->sega_film_skip_bytes == -1) { + if (!encoded_buf_size) { + av_log_ask_for_sample(s->avctx, "encoded_buf_size is 0"); + return -1; + } if (encoded_buf_size != s->size && (s->size % encoded_buf_size) != 0) { /* If the encoded frame size differs from the frame size as indicated * by the container file, this data likely comes from a Sega FILM/CPK file. -- cgit v1.2.3