lavfi/vf_w3fdif: set output frame durations

1 files changed, 6 insertions, 3 deletions

diff --git a/libavfilter/vf_w3fdif.c b/libavfilter/vf_w3fdif.c
index 512c8070c7..4b29e8cb39 100644
--- a/libavfilter/vf_w3fdif.c
+++ b/libavfilter/vf_w3fdif.c
@@ -481,6 +481,8 @@ static int filter(AVFilterContext *ctx, int is_second)
     AVFilterLink *outlink = ctx->outputs[0];
     AVFrame *out, *adj;
     ThreadData td;
+    int64_t cur_pts  = s->cur->pts;
+    int64_t next_pts = s->next->pts;
 
     out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
     if (!out)
@@ -492,9 +494,6 @@ static int filter(AVFilterContext *ctx, int is_second)
         if (out->pts != AV_NOPTS_VALUE)
             out->pts *= 2;
     } else {
-        int64_t cur_pts  = s->cur->pts;
-        int64_t next_pts = s->next->pts;
-
         if (next_pts != AV_NOPTS_VALUE && cur_pts != AV_NOPTS_VALUE) {
             out->pts = cur_pts + next_pts;
         } else {
@@ -502,6 +501,9 @@ static int filter(AVFilterContext *ctx, int is_second)
         }
     }
 
+    out->duration = (next_pts != AV_NOPTS_VALUE && cur_pts != AV_NOPTS_VALUE) ?
+                    next_pts - cur_pts : 0;
+
     adj = s->field ? s->next : s->prev;
     td.out = out; td.cur = s->cur; td.adj = adj;
     ff_filter_execute(ctx, deinterlace_slice, &td, NULL,
@@ -541,6 +543,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
         av_frame_free(&s->prev);
         if (out->pts != AV_NOPTS_VALUE)
             out->pts *= 2;
+        out->duration *= 2;
         return ff_filter_frame(ctx->outputs[0], out);
     }