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authorJustin Ruggles <justin.ruggles@gmail.com>2011-09-21 11:37:51 -0400
committerReinhard Tartler <siretart@tauware.de>2012-03-18 17:50:41 +0100
commitef7a4df4584db51a97edea3b1140661faf4ddf56 (patch)
treecaf581c5193111ea30013696a1061a4053ea63da /libavcodec
parent3b7a1ba90ec94fe052b6ea085ae6f3f3bfd9ba27 (diff)
downloadffmpeg-ef7a4df4584db51a97edea3b1140661faf4ddf56.tar.gz
smacker: validate number of channels
(cherry picked from commit e190e453bd1e4d4b409ed3556b3a50d1087c15d7) Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/smacker.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c
index 1fa40def62..33ea7b95d6 100644
--- a/libavcodec/smacker.c
+++ b/libavcodec/smacker.c
@@ -559,6 +559,10 @@ static av_cold int decode_end(AVCodecContext *avctx)
static av_cold int smka_decode_init(AVCodecContext *avctx)
{
+ if (avctx->channels < 1 || avctx->channels > 2) {
+ av_log(avctx, AV_LOG_ERROR, "invalid number of channels\n");
+ return AVERROR(EINVAL);
+ }
avctx->channel_layout = (avctx->channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
avctx->sample_fmt = avctx->bits_per_coded_sample == 8 ? AV_SAMPLE_FMT_U8 : AV_SAMPLE_FMT_S16;
return 0;