lavfi/vf_nnedi: set output frame durations

CFR output when the filter is enabled, rescale input durations
otherwise.

1 files changed, 4 insertions, 0 deletions

diff --git a/libavfilter/vf_nnedi.c b/libavfilter/vf_nnedi.c
index 63b83e5efd..8f73c0384f 100644
--- a/libavfilter/vf_nnedi.c
+++ b/libavfilter/vf_nnedi.c
@@ -667,6 +667,8 @@ static int get_frame(AVFilterContext *ctx, int is_second)
     av_frame_copy_props(dst, s->prev);
     dst->interlaced_frame = 0;
     dst->pts = s->pts;
+    dst->duration = av_rescale_q(1, av_inv_q(outlink->frame_rate),
+                                 outlink->time_base);
 
     ff_filter_execute(ctx, filter_slice, dst, NULL,
                       FFMIN(s->planeheight[1] / 2, s->nb_threads));
@@ -690,6 +692,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
 
     if ((s->deint && !s->prev->interlaced_frame) || ctx->is_disabled) {
         s->prev->pts *= 2;
+        s->prev->duration = av_rescale_q(s->prev->duration, inlink->time_base,
+                                         ctx->outputs[0]->time_base);
         ret = ff_filter_frame(ctx->outputs[0], s->prev);
         s->prev = in;
         return ret;