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-rw-r--r--libavcodec/h264.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index cf4aa44315..a47919acb1 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -4014,8 +4014,8 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
if (h->deblocking_filter) {
h->slice_alpha_c0_offset += get_se_golomb(&h->gb) << 1;
h->slice_beta_offset += get_se_golomb(&h->gb) << 1;
- if (h->slice_alpha_c0_offset > 104U ||
- h->slice_beta_offset > 104U) {
+ if (h->slice_alpha_c0_offset < 52 - 12 || h->slice_alpha_c0_offset > 52 + 12 ||
+ h->slice_beta_offset < 52 - 12 || h->slice_beta_offset > 52 + 12) {
av_log(h->avctx, AV_LOG_ERROR,
"deblocking filter parameters %d %d out of range\n",
h->slice_alpha_c0_offset, h->slice_beta_offset);