From 59c915a403af32c4ff5126625b0cc7e38f4beff9 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 11 Jan 2016 18:58:08 +0100 Subject: [PATCH] avcodec/wavpackenc: Check the number of channels They are stored in a byte, thus more than 255 is not possible Signed-off-by: Michael Niedermayer --- libavcodec/wavpackenc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/wavpackenc.c b/libavcodec/wavpackenc.c index 05e8f2bec9..f4e710d5b3 100644 --- a/libavcodec/wavpackenc.c +++ b/libavcodec/wavpackenc.c @@ -128,6 +128,11 @@ static av_cold int wavpack_encode_init(AVCodecContext *avctx) s->avctx = avctx; + if (avctx->channels > 255) { + av_log(avctx, AV_LOG_ERROR, "Too many channels\n", avctx->channels); + return AVERROR(EINVAL); + } + if (!avctx->frame_size) { int block_samples; if (!(avctx->sample_rate & 1))