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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-11-16 15:10:26 +0100 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2011-11-18 11:35:56 +0200 |
| commit | b55aa7df6b79746541f05d65c414961f49f46f68 (patch) | |
| tree | 7c5823ba50f5c683780d4ac49a1c7ff03535947a /libavcodec | |
| parent | 795d9594cfaf9b6c9ce0c60f86c6e51636096a5a (diff) | |
| download | ffmpeg-b55aa7df6b79746541f05d65c414961f49f46f68.tar.gz | |
cinepak: Fix division by zero, ask for sample if encoded_buf_size is 0
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/cinepak.c | 4 |
1 files changed, 4 insertions, 0 deletions
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. |