[FFmpeg-cvslog] avformat/svag: fix division by zero

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Mon Mar 28 21:34:08 2016 -0300| [d5a3578350a3901a26df39df196bb085760ec46f] | committer: James Almer

avformat/svag: fix division by zero

Fixes ticket #5386

Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d5a3578350a3901a26df39df196bb085760ec46f
---

 libavformat/svag.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/svag.c b/libavformat/svag.c
index ab7f36c..08fc06b 100644
--- a/libavformat/svag.c
+++ b/libavformat/svag.c
@@ -48,7 +48,7 @@ static int svag_read_header(AVFormatContext *s)
     if (st->codec->sample_rate <= 0)
         return AVERROR_INVALIDDATA;
     st->codec->channels    = avio_rl32(s->pb);
-    if (st->codec->channels <= 0)
+    if (st->codec->channels <= 0 || st->codec->channels > 8)
         return AVERROR_INVALIDDATA;
     st->duration           = size / (16 * st->codec->channels) * 28;
     align                  = avio_rl32(s->pb);