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authorMichael Niedermayer <michaelni@gmx.at>2011-10-27 03:46:09 +0200
committerMichael Niedermayer <michaelni@gmx.at>2011-10-27 03:46:09 +0200
commitd7dcd96a2377835a20c3d23b3bd476ddcf1baebb (patch)
tree0af6d157e92d3bda79e53618455b923d924de9b7
parentd18fd13f301eaa33191d5c2a27e7bba85296137d (diff)
downloadffmpeg-d7dcd96a2377835a20c3d23b3bd476ddcf1baebb.tar.gz
vf_pad: Fix alignment of get_video_buffer()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavfilter/vf_pad.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/libavfilter/vf_pad.c b/libavfilter/vf_pad.c
index e24cda8e0a..fc4a8be7a3 100644
--- a/libavfilter/vf_pad.c
+++ b/libavfilter/vf_pad.c
@@ -251,9 +251,10 @@ static int config_output(AVFilterLink *outlink)
static AVFilterBufferRef *get_video_buffer(AVFilterLink *inlink, int perms, int w, int h)
{
PadContext *pad = inlink->dst->priv;
+ int align = (perms&AV_PERM_ALIGN) ? AVFILTER_ALIGN : 1;
AVFilterBufferRef *picref = avfilter_get_video_buffer(inlink->dst->outputs[0], perms,
- w + (pad->w - pad->in_w),
+ w + (pad->w - pad->in_w) + 4*align,
h + (pad->h - pad->in_h));
int plane;
@@ -264,7 +265,7 @@ static AVFilterBufferRef *get_video_buffer(AVFilterLink *inlink, int perms, int
int hsub = (plane == 1 || plane == 2) ? pad->hsub : 0;
int vsub = (plane == 1 || plane == 2) ? pad->vsub : 0;
- picref->data[plane] += (pad->x >> hsub) * pad->line_step[plane] +
+ picref->data[plane] += FFALIGN(pad->x >> hsub, align) * pad->line_step[plane] +
(pad->y >> vsub) * picref->linesize[plane];
}