From 17264cd281c40e67942246960ed9385288b639fc Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 23 May 2015 22:46:51 +0200 Subject: [PATCH] avformat/avienc: Avoid float usage reduces risk for rounding differences between platforms Signed-off-by: Michael Niedermayer --- libavformat/avienc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/avienc.c b/libavformat/avienc.c index fb2cdd2077..5396a7d577 100644 --- a/libavformat/avienc.c +++ b/libavformat/avienc.c @@ -409,7 +409,7 @@ static int avi_write_header(AVFormatContext *s) avio_wl32(pb, 0); // video format = unknown avio_wl32(pb, 0); // video standard = unknown // TODO: should be avg_frame_rate - avio_wl32(pb, lrintf(1.0 / av_q2d(st->time_base))); + avio_wl32(pb, (2LL*st->time_base.den + st->time_base.num - 1) / (2LL * st->time_base.num)); avio_wl32(pb, enc->width); avio_wl32(pb, enc->height); avio_wl16(pb, den);