diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2012-11-09 18:45:41 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-11-09 18:46:17 +0100 |
| commit | b8dc5f8bb3b14bfd2289a0444c7b706299555d97 (patch) | |
| tree | e5959fe6ff3f7ea094e262fd370e6f94c26b90c9 /libavcodec/twinvq.c | |
| parent | e481ba2ed79421d82ed631d187c05c03260c6561 (diff) | |
| download | ffmpeg-b8dc5f8bb3b14bfd2289a0444c7b706299555d97.tar.gz | |
twinvq: check bitrate for validity avoid division by 0
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/twinvq.c')
| -rw-r--r-- | libavcodec/twinvq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/twinvq.c b/libavcodec/twinvq.c index f4eba4d906..7281d9cd2d 100644 --- a/libavcodec/twinvq.c +++ b/libavcodec/twinvq.c @@ -1142,6 +1142,11 @@ static av_cold int twin_decode_init(AVCodecContext *avctx) ibps = avctx->bit_rate / (1000 * avctx->channels); + if (ibps > 255) { + av_log(avctx, AV_LOG_ERROR, "unsupported per channel bitrate %dkbps\n", ibps); + return AVERROR_INVALIDDATA; + } + switch ((isampf << 8) + ibps) { case (8 <<8) + 8: tctx->mtab = &mode_08_08; break; case (11<<8) + 8: tctx->mtab = &mode_11_08; break; |