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avcodec/cbs_h266: read vps_ptl_max_tid before using it

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Reviewed-by: Nuo Mi <nuomi2021@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2024-05-19 10:26:38 -03:00
parent 0d7430d3ab
commit b113050d96
1 changed files with 15 additions and 13 deletions
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28
libavcodec/cbs_h266_syntax_template.c
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@ -790,6 +790,21 @@ static int FUNC(vps) (CodedBitstreamContext *ctx, RWContext *rw,
infer(vps_each_layer_is_an_ols_flag, 1);
infer(vps_num_ptls_minus1, 0);
}
for (i = 0; i <= current->vps_num_ptls_minus1; i++) {
if (i > 0)
flags(vps_pt_present_flag[i], 1, i);
else
infer(vps_pt_present_flag[i], 1);
if (!current->vps_default_ptl_dpb_hrd_max_tid_flag)
us(3, vps_ptl_max_tid[i], 0, current->vps_max_sublayers_minus1, 1, i);
else
infer(vps_ptl_max_tid[i], current->vps_max_sublayers_minus1);
}
while (byte_alignment(rw) != 0)
fixed(1, vps_ptl_alignment_zero_bit, 0);
{
//calc NumMultiLayerOlss
int m;
@ -915,19 +930,6 @@ static int FUNC(vps) (CodedBitstreamContext *ctx, RWContext *rw,
return AVERROR_INVALIDDATA;
}
for (i = 0; i <= current->vps_num_ptls_minus1; i++) {
if (i > 0)
flags(vps_pt_present_flag[i], 1, i);
else
infer(vps_pt_present_flag[i], 1);
if (!current->vps_default_ptl_dpb_hrd_max_tid_flag)
us(3, vps_ptl_max_tid[i], 0, current->vps_max_sublayers_minus1, 1, i);
else
infer(vps_ptl_max_tid[i], current->vps_max_sublayers_minus1);
}
while (byte_alignment(rw) != 0)
fixed(1, vps_ptl_alignment_zero_bit, 0);
for (i = 0; i <= current->vps_num_ptls_minus1; i++) {
CHECK(FUNC(profile_tier_level) (ctx, rw,
current->vps_profile_tier_level + i,