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avfilter/vf_tinterlace: fix handling of not so even sizes
Fixes green bottom line Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -175,7 +175,7 @@ void copy_picture_field(uint8_t *dst[4], int dst_linesize[4],
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int h, i;
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for (plane = 0; plane < desc->nb_components; plane++) {
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int lines = plane == 1 || plane == 2 ? src_h >> vsub : src_h;
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int lines = plane == 1 || plane == 2 ? -((-src_h) >> vsub) : src_h;
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int linesize = av_image_get_linesize(format, w, plane);
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uint8_t *dstp = dst[plane];
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const uint8_t *srcp = src[plane];
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@ -183,7 +183,7 @@ void copy_picture_field(uint8_t *dst[4], int dst_linesize[4],
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if (linesize < 0)
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return;
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lines /= k;
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lines = (lines + (src_field == FIELD_UPPER)) / k;
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if (src_field == FIELD_LOWER)
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srcp += src_linesize[plane];
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if (interleave && dst_field == FIELD_LOWER)
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