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author | Shitiz Garg <mail@dragooon.net> | 2011-12-10 23:40:57 +0400 |
---|---|---|
committer | Justin Ruggles <justin.ruggles@gmail.com> | 2011-12-10 23:54:19 +0400 |
commit | 8bd1f1a4c8e591e92e7f4933a89fe5de72e5563f (patch) | |
tree | e0014e5f15e44fda71bbadd66b5dc0e04d6d1f00 /libavcodec/tta.c | |
parent | 7d18d17abd9dadca1d717a7ace76bd611b7a289c (diff) |
ttadec: check channel count as read from extradata.
fixes floating-point exception due to channels being set to 0.
fixes Bug 128.
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
Diffstat (limited to 'libavcodec/tta.c')
-rw-r--r-- | libavcodec/tta.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/tta.c b/libavcodec/tta.c index 6b76f527c4..c8d58fd9ec 100644 --- a/libavcodec/tta.c +++ b/libavcodec/tta.c @@ -221,6 +221,11 @@ static av_cold int tta_decode_init(AVCodecContext * avctx) s->data_length = get_bits_long(&s->gb, 32); skip_bits(&s->gb, 32); // CRC32 of header + if (s->channels == 0) { + av_log(s->avctx, AV_LOG_ERROR, "Invalid number of channels\n"); + return AVERROR_INVALIDDATA; + } + switch(s->bps) { case 2: avctx->sample_fmt = AV_SAMPLE_FMT_S16; |