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lavc/vvc: Fix overflow in MVD derivation

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H.266 (V3) section 7.4.12.8: "The value of lMvd[ compIdx ] shall be in
the range of −2^{17} to 2^{17} − 1, inclusive."

Signed-off-by: Frank Plowman <post@frankplowman.com>
This commit is contained in:
Frank Plowman 2024-11-28 22:17:28 +00:00 committed by Nuo Mi
parent 499896ca2f
commit 56419fd096
1 changed files with 1 additions and 1 deletions
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2
libavcodec/vvc/ctu.c
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@ -1493,7 +1493,7 @@ static int hls_merge_data(VVCLocalContext *lc)
static void hls_mvd_coding(VVCLocalContext *lc, Mv* mvd)
{
int16_t mv[2];
int32_t mv[2];
for (int i = 0; i < 2; i++) {
mv[i] = ff_vvc_abs_mvd_greater0_flag(lc);