From f043965cd5145d8540d55c013b0d809b6a874c53 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 12 Nov 2014 04:48:24 +0100
Subject: [PATCH] avfilter/vf_tinterlace: fix linesize vs. width
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavfilter/vf_tinterlace.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavfilter/vf_tinterlace.c b/libavfilter/vf_tinterlace.c
index 4ce69daffe7..a3cb52d3616 100644
--- a/libavfilter/vf_tinterlace.c
+++ b/libavfilter/vf_tinterlace.c
@@ -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. */
--
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