[FFmpeg-cvslog] avfilter/vf_w3fdif: not interlaced frames are filtered like tff

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sun Jan  3 22:48:40 2021 +0100| [ddd6c5cdc05fe889f6d0b88e3237e7db564bf2ea] | committer: Paul B Mahol

avfilter/vf_w3fdif: not interlaced frames are filtered like tff

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ddd6c5cdc05fe889f6d0b88e3237e7db564bf2ea
---

 libavfilter/vf_w3fdif.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_w3fdif.c b/libavfilter/vf_w3fdif.c
index 685f7679f0..bbf1d026e2 100644
--- a/libavfilter/vf_w3fdif.c
+++ b/libavfilter/vf_w3fdif.c
@@ -381,7 +381,7 @@ static int deinterlace_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_
     const int start = (height * jobnr) / nb_jobs;
     const int end = (height * (jobnr+1)) / nb_jobs;
     const int max = s->max;
-    const int tff = s->field == (s->parity == -1 ? cur->top_field_first == 1 : s->parity == 0 ? 1 : 0);
+    const int tff = (s->field == (s->parity == -1 ? cur->top_field_first == cur->interlaced_frame : s->parity == 0 ? !cur->interlaced_frame : cur->interlaced_frame));
     int j, y_in, y_out;
 
     /* copy unchanged the lines of the field */