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avfilter/vf_tinterlace: fix handling of not so even sizes

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Fixes green bottom line

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-04-29 12:26:15 +02:00
parent b691bc424f
commit e92862e75f
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_tinterlace.c
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@ -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)