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Diffstat (limited to 'libavfilter/vf_tinterlace.c')
| -rw-r--r-- | libavfilter/vf_tinterlace.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavfilter/vf_tinterlace.c b/libavfilter/vf_tinterlace.c index 13b8ce286a..598e3147b9 100644 --- a/libavfilter/vf_tinterlace.c +++ b/libavfilter/vf_tinterlace.c @@ -175,7 +175,7 @@ void copy_picture_field(uint8_t *dst[4], int dst_linesize[4], int h, i; for (plane = 0; plane < desc->nb_components; plane++) { - int lines = plane == 1 || plane == 2 ? src_h >> vsub : src_h; + int lines = plane == 1 || plane == 2 ? -((-src_h) >> vsub) : src_h; int linesize = av_image_get_linesize(format, w, plane); uint8_t *dstp = dst[plane]; const uint8_t *srcp = src[plane]; @@ -183,7 +183,7 @@ void copy_picture_field(uint8_t *dst[4], int dst_linesize[4], if (linesize < 0) return; - lines /= k; + lines = (lines + (src_field == FIELD_UPPER)) / k; if (src_field == FIELD_LOWER) srcp += src_linesize[plane]; if (interleave && dst_field == FIELD_LOWER) |