From 666e29fe9e7eb9a87eb870f0e6d68331c0615d43 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 2 Jun 2014 19:03:55 +0200 Subject: [PATCH] avutil/mathematics/av_add_stable: Avoid av_cmp_q() call Signed-off-by: Michael Niedermayer --- libavutil/mathematics.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/libavutil/mathematics.c b/libavutil/mathematics.c index df7d0d88bf..126cffc3f0 100644 --- a/libavutil/mathematics.c +++ b/libavutil/mathematics.c @@ -198,11 +198,10 @@ int64_t av_add_stable(AVRational ts_tb, int64_t ts, AVRational inc_tb, int64_t i if (m % d == 0) return ts + m / d; - - if (av_cmp_q(inc_tb, ts_tb) < 0) { - //increase step is too small for even 1 step to be representable + if (m < d) return ts; - } else { + + { int64_t old = av_rescale_q(ts, ts_tb, inc_tb); int64_t old_ts = av_rescale_q(old, inc_tb, ts_tb); return av_rescale_q(old + 1, inc_tb, ts_tb) + (ts - old_ts);