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hevc_ps: fix cpb_cnt_minus1 initialization 

Fixes: fc429d785e

cpb_cnt used to be initialized to 1 before
fc429d785e so cpb_cnt_minus1 should be
initialized to 0.

Also add +1 to the decode_sublayer_hrd call to account for the change to
the offset
This commit is contained in:
llyyr 2023-09-10 20:55:22 +05:30 committed by Derek Buitenhuis
parent 1a87a9d82a
commit 06241c3154
1 changed files with 2 additions and 4 deletions
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6
libavcodec/hevc_ps.c
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@ -406,8 +406,6 @@ static int decode_hrd(GetBitContext *gb, int common_inf_present,
for (int i = 0; i < max_sublayers; i++) {
hdr->flags.fixed_pic_rate_general_flag = get_bits1(gb);
hdr->cpb_cnt_minus1[i] = 1;
if (!hdr->flags.fixed_pic_rate_general_flag)
hdr->flags.fixed_pic_rate_within_cvs_flag = get_bits1(gb);
@ -426,11 +424,11 @@ static int decode_hrd(GetBitContext *gb, int common_inf_present,
}
if (hdr->flags.nal_hrd_parameters_present_flag)
decode_sublayer_hrd(gb, hdr->cpb_cnt_minus1[i], &hdr->nal_params[i],
decode_sublayer_hrd(gb, hdr->cpb_cnt_minus1[i]+1, &hdr->nal_params[i],
hdr->flags.sub_pic_hrd_params_present_flag);
if (hdr->flags.vcl_hrd_parameters_present_flag)
decode_sublayer_hrd(gb, hdr->cpb_cnt_minus1[i], &hdr->vcl_params[i],
decode_sublayer_hrd(gb, hdr->cpb_cnt_minus1[i]+1, &hdr->vcl_params[i],
hdr->flags.sub_pic_hrd_params_present_flag);
}