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vf_vflip: fix handling of the last line. 

Fixes Ticket1271

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-06-20 20:14:01 +02:00
parent a46f8915be
commit e632a430fe
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_vflip.c
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@ -56,7 +56,7 @@ static AVFilterBufferRef *get_video_buffer(AVFilterLink *link, int perms,
int vsub = i == 1 || i == 2 ? flip->vsub : 0;
if (picref->data[i]) {
picref->data[i] += ((h >> vsub)-1) * picref->linesize[i];
picref->data[i] += (((h + (1<<vsub)-1) >> vsub)-1) * picref->linesize[i];
picref->linesize[i] = -picref->linesize[i];
}
}
@ -74,7 +74,7 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *inpicref)
int vsub = i == 1 || i == 2 ? flip->vsub : 0;
if (outpicref->data[i]) {
outpicref->data[i] += ((link->h >> vsub)-1) * outpicref->linesize[i];
outpicref->data[i] += (((link->h + (1<<vsub)-1)>> vsub)-1) * outpicref->linesize[i];
outpicref->linesize[i] = -outpicref->linesize[i];
}
}