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avfilter/vf_tinterlace: fix linesize vs. width

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-11-12 04:48:24 +01:00
parent 933eca91e6
commit f043965cd5
1 changed files with 2 additions and 1 deletions
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3
libavfilter/vf_tinterlace.c
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@ -187,6 +187,7 @@ void copy_picture_field(uint8_t *dst[4], int dst_linesize[4],
for (plane = 0; plane < desc->nb_components; plane++) {
int lines = plane == 1 || plane == 2 ? FF_CEIL_RSHIFT(src_h, vsub) : src_h;
int cols = plane == 1 || plane == 2 ? FF_CEIL_RSHIFT( w, desc->log2_chroma_w) : w;
int linesize = av_image_get_linesize(format, w, plane);
uint8_t *dstp = dst[plane];
const uint8_t *srcp = src[plane];
@ -210,7 +211,7 @@ void copy_picture_field(uint8_t *dst[4], int dst_linesize[4],
const uint8_t *srcp_below = srcp + src_linesize[plane];
if (h == lines) srcp_above = srcp; // there is no line above
if (h == 1) srcp_below = srcp; // there is no line below
for (i = 0; i < linesize; i++) {
for (i = 0; i < cols; i++) {
// this calculation is an integer representation of
// '0.5 * current + 0.25 * above + 0.25 * below'
// '1 +' is for rounding. */