From 4e7b3ef3b3cf71479dde1d4ae644eaf4857c4813 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 16 Nov 2011 15:10:26 +0100 Subject: [PATCH] cinepak: Fix division by zero, ask for sample if encoded_buf_size is 0 Signed-off-by: Michael Niedermayer --- libavcodec/cinepak.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/cinepak.c b/libavcodec/cinepak.c index 4149a6761f..9069b7e390 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.