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avcodec/libxvid: add check for invalid intra/inter matrix values

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2025-01-25 20:25:38 +01:00
parent c6194b50b1
commit 9b5a4c0aea
1 changed files with 4 additions and 0 deletions
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4
libavcodec/libxvid.c
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@@ -617,6 +617,10 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx)
x->intra_matrix =
x->inter_matrix = NULL;
ret = ff_check_codec_matrices(avctx, FF_MATRIX_TYPE_INTRA | FF_MATRIX_TYPE_INTER, 1, 255);
if (ret < 0)
return ret;
if (x->mpeg_quant)
x->vol_flags |= XVID_VOL_MPEGQUANT;
if ((avctx->intra_matrix || avctx->inter_matrix)) {