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codecparsers: h265: Fix the range of delta_chroma_log2_weight_denom

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Being more strict on specification, According to 7.4.7.3,
delta_chroma_log2_weight_denom should be in the range of
[(0 - luma_log2_weight_denom), (7 - luma_log2_weight_denom)]

https://bugzilla.gnome.org/show_bug.cgi?id=754024
This commit is contained in:
XuGuangxin 2015-08-24 04:18:52 +03:00 committed by Sebastian Dröge
parent 54fc1ed5f4
commit 26e350f0bf
1 changed files with 4 additions and 2 deletions
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6
gst-libs/gst/codecparsers/gsth265parser.c
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@ -933,8 +933,10 @@ gst_h265_slice_parse_pred_weight_table (GstH265SliceHdr * slice, NalReader * nr)
} }
} }
if (sps->chroma_format_idc != 0) if (sps->chroma_format_idc != 0) {
READ_SE_ALLOWED (nr, p->delta_chroma_log2_weight_denom, -7, 7); READ_SE_ALLOWED (nr, p->delta_chroma_log2_weight_denom,
(0 - p->luma_log2_weight_denom), (7 - p->luma_log2_weight_denom));
}
for (i = 0; i <= slice->num_ref_idx_l0_active_minus1; i++) for (i = 0; i <= slice->num_ref_idx_l0_active_minus1; i++)
READ_UINT8 (nr, p->luma_weight_l0_flag[i], 1); READ_UINT8 (nr, p->luma_weight_l0_flag[i], 1);