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| author | Paul B Mahol <onemda@gmail.com> | 2015-11-21 21:58:24 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2015-11-21 21:58:24 +0100 |
| commit | 16195aad75d7350c192628d7c72c17fd44d138bd (patch) | |
| tree | c4b8afdf9e9fa95a286691f83d5e7bcf0153cd06 /libavformat/vpk.c | |
| parent | 8b1bc2b075dd7ace77dc718c7ef26829f35ec091 (diff) | |
| download | ffmpeg-16195aad75d7350c192628d7c72c17fd44d138bd.tar.gz | |
avformat/vpk: check samples_per_block size
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavformat/vpk.c')
| -rw-r--r-- | libavformat/vpk.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/vpk.c b/libavformat/vpk.c index ad60aa3d03..751904949f 100644 --- a/libavformat/vpk.c +++ b/libavformat/vpk.c @@ -62,6 +62,8 @@ static int vpk_read_header(AVFormatContext *s) if (st->codec->channels <= 0) return AVERROR_INVALIDDATA; samples_per_block = ((st->codec->block_align / st->codec->channels) * 28) / 16; + if (samples_per_block <= 0) + return AVERROR_INVALIDDATA; vpk->block_count = (st->duration + (samples_per_block - 1)) / samples_per_block; vpk->last_block_size = (st->duration % samples_per_block) * 16 * st->codec->channels / 28; avio_skip(s->pb, offset - avio_tell(s->pb)); |