From 8ea5df4fac57acf8a6e8cf575502ccd3dd776f57 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 10 May 2012 17:36:49 +0200 Subject: [PATCH] lavc/utils: fix division by 0 Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/utils.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/utils.c b/libavcodec/utils.c index c915de6a06..223dd3c063 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -2070,8 +2070,8 @@ int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes) bps = av_get_exact_bits_per_sample(avctx->codec_id); /* codecs with an exact constant bits per sample */ - if (bps > 0 && ch > 0 && frame_bytes > 0) - return (frame_bytes * 8) / (bps * ch); + if (bps > 0 && ch > 0 && frame_bytes > 0 && ch < 32768 && bps < 32768) + return (frame_bytes * 8LL) / (bps * ch); bps = avctx->bits_per_coded_sample; /* codecs with a fixed packet duration */