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-rw-r--r--libavcodec/diracdec.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c
index 8e62391555..ef75a536ed 100644
--- a/libavcodec/diracdec.c
+++ b/libavcodec/diracdec.c
@@ -1409,8 +1409,9 @@ static int mc_subpel(DiracContext *s, DiracBlock *block, const uint8_t *src[5],
}
/* fixme: v/h _edge_pos */
- if ((unsigned)x > FFMAX(p->width +EDGE_WIDTH/2 - p->xblen, 0) ||
- (unsigned)y > FFMAX(p->height+EDGE_WIDTH/2 - p->yblen, 0)) {
+ if (x + p->xblen > p->width +EDGE_WIDTH/2 ||
+ y + p->yblen > p->height+EDGE_WIDTH/2 ||
+ x < 0 || y < 0) {
for (i = 0; i < nplanes; i++) {
ff_emulated_edge_mc(s->edge_emu_buffer[i], src[i], p->stride,
p->xblen, p->yblen, x, y,