From d9aa1ef2c2dfbadcfe3783cee97e9c59dbfe7fb1 Mon Sep 17 00:00:00 2001 From: Dale Curtis Date: Thu, 14 May 2020 14:47:49 -0700 Subject: [PATCH] avutil/mathematics: Fix overflow with NaN in av_add_stable() Signed-off-by: Michael Niedermayer --- libavutil/mathematics.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavutil/mathematics.c b/libavutil/mathematics.c index 0485db7222..16c6e4db03 100644 --- a/libavutil/mathematics.c +++ b/libavutil/mathematics.c @@ -207,7 +207,7 @@ int64_t av_add_stable(AVRational ts_tb, int64_t ts, AVRational inc_tb, int64_t i int64_t old = av_rescale_q(ts, ts_tb, inc_tb); int64_t old_ts = av_rescale_q(old, inc_tb, ts_tb); - if (old == INT64_MAX) + if (old == INT64_MAX || old == AV_NOPTS_VALUE || old_ts == AV_NOPTS_VALUE) return ts; return av_rescale_q(old + 1, inc_tb, ts_tb) + (ts - old_ts);