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avfilter/vf_bitplanenoise: fix overreads 

Fixes #8244

(cherry picked from commit 0b56723874)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Paul B Mahol 2019-10-11 12:42:13 +02:00 committed by Michael Niedermayer
parent 25b2341f9a
commit 72bc9bd8ef
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_bitplanenoise.c
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@ -122,7 +122,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
if (s->depth <= 8) {
for (plane = 0; plane < s->nb_planes; plane++) {
const int linesize = in->linesize[plane];
const int linesize = s->planeheight[plane] > 1 ? in->linesize[plane] : 0;
const int dlinesize = out->linesize[plane];
uint8_t *val = in->data[plane];
uint8_t *dst = s->filter ? out->data[plane]: NULL;
@ -151,7 +151,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
}
} else {
for (plane = 0; plane < s->nb_planes; plane++) {
const int linesize = in->linesize[plane] / 2;
const int linesize = s->planeheight[plane] > 1 ? in->linesize[plane] / 2 : 0;
const int dlinesize = out->linesize[plane] / 2;
uint16_t *val = (uint16_t *)in->data[plane];
uint16_t *dst = s->filter ? (uint16_t *)out->data[plane] : NULL;