Signed-off-by: Paul B Mahol <[email protected]>
---
libavfilter/vf_tinterlace.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavfilter/vf_tinterlace.c b/libavfilter/vf_tinterlace.c
index d145e35520..542b66898e 100644
--- a/libavfilter/vf_tinterlace.c
+++ b/libavfilter/vf_tinterlace.c
@@ -396,12 +396,12 @@ static int filter_frame(AVFilterLink *inlink, AVFrame
*picref)
copy_picture_field(tinterlace, out->data, out->linesize,
(const uint8_t **)cur->data, cur->linesize,
inlink->format, inlink->w, inlink->h,
- FIELD_UPPER_AND_LOWER, 1, tinterlace->mode ==
MODE_MERGEX2 ? inlink->frame_count_out & 1 ? FIELD_LOWER : FIELD_UPPER :
FIELD_UPPER, tinterlace->flags);
+ FIELD_UPPER_AND_LOWER, 1, tinterlace->mode ==
MODE_MERGEX2 ? (1 + inlink->frame_count_out) & 1 ? FIELD_LOWER : FIELD_UPPER :
FIELD_UPPER, tinterlace->flags);
/* write even frame lines into the lower field of the new frame */
copy_picture_field(tinterlace, out->data, out->linesize,
(const uint8_t **)next->data, next->linesize,
inlink->format, inlink->w, inlink->h,
- FIELD_UPPER_AND_LOWER, 1, tinterlace->mode ==
MODE_MERGEX2 ? inlink->frame_count_out & 1 ? FIELD_UPPER : FIELD_LOWER :
FIELD_LOWER, tinterlace->flags);
+ FIELD_UPPER_AND_LOWER, 1, tinterlace->mode ==
MODE_MERGEX2 ? (1 + inlink->frame_count_out) & 1 ? FIELD_UPPER : FIELD_LOWER :
FIELD_LOWER, tinterlace->flags);
if (tinterlace->mode != MODE_MERGEX2)
av_frame_free(&tinterlace->next);
break;
--
2.17.1
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