From 8205f32663ec492200cdd47216719be15e92fcdb Mon Sep 17 00:00:00 2001 From: Tom Boshoven Date: Tue, 25 May 2021 11:57:08 -0400 Subject: [PATCH] avfilter/yadif: Fix time base for large denominators This fixes an issue where the yadif filter could cause the timebase denominator to overflow. Signed-off-by: Tom Boshoven Signed-off-by: Michael Niedermayer --- libavfilter/vf_yadif.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c index a6942a2aa2..91cc79ecc3 100644 --- a/libavfilter/vf_yadif.c +++ b/libavfilter/vf_yadif.c @@ -293,8 +293,7 @@ static int config_output(AVFilterLink *outlink) AVFilterContext *ctx = outlink->src; YADIFContext *s = ctx->priv; - outlink->time_base.num = ctx->inputs[0]->time_base.num; - outlink->time_base.den = ctx->inputs[0]->time_base.den * 2; + outlink->time_base = av_mul_q(ctx->inputs[0]->time_base, (AVRational){1, 2}); outlink->w = ctx->inputs[0]->w; outlink->h = ctx->inputs[0]->h;