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| author | Nuo Mi <nuomi2021@gmail.com> | 2024-03-27 21:00:58 +0800 |
|---|---|---|
| committer | Nuo Mi <nuomi2021@gmail.com> | 2024-04-02 20:24:31 +0800 |
| commit | 191fbd7ddc1a66fb48b6d4b4f2afd698245ab6ed (patch) | |
| tree | e7fd81330b6f81410ee5ccce5294c573cab9ee4b | |
| parent | cd540a333e48fea429c7b706ca12d7ba94994ec9 (diff) | |
avcodec/cbs_h266: fix sh_collocated_from_l0_flag and sh_collocated_ref_idx infer
we have to infer sh_collocated_from_l0_flag and sh_collocated_ref_idx from picture head if pps_rpl_info_in_ph_flag is true
| -rw-r--r-- | libavcodec/cbs_h266_syntax_template.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/libavcodec/cbs_h266_syntax_template.c b/libavcodec/cbs_h266_syntax_template.c index 0aae9fdfd5..f56066d470 100644 --- a/libavcodec/cbs_h266_syntax_template.c +++ b/libavcodec/cbs_h266_syntax_template.c @@ -3221,19 +3221,27 @@ static int FUNC(slice_header) (CodedBitstreamContext *ctx, RWContext *rw, flag(sh_cabac_init_flag); else infer(sh_cabac_init_flag, 0); - if (ph->ph_temporal_mvp_enabled_flag && !pps->pps_rpl_info_in_ph_flag) { - if (current->sh_slice_type == VVC_SLICE_TYPE_B) - flag(sh_collocated_from_l0_flag); - else - infer(sh_collocated_from_l0_flag, 1); - if ((current->sh_collocated_from_l0_flag && - current->num_ref_idx_active[0] > 1) || - (!current->sh_collocated_from_l0_flag && - current->num_ref_idx_active[1] > 1)) { - unsigned int idx = current->sh_collocated_from_l0_flag ? 0 : 1; - ue(sh_collocated_ref_idx, 0, current->num_ref_idx_active[idx] - 1); + if (ph->ph_temporal_mvp_enabled_flag) { + if (!pps->pps_rpl_info_in_ph_flag) { + if (current->sh_slice_type == VVC_SLICE_TYPE_B) + flag(sh_collocated_from_l0_flag); + else + infer(sh_collocated_from_l0_flag, 1); + if ((current->sh_collocated_from_l0_flag && + current->num_ref_idx_active[0] > 1) || + (!current->sh_collocated_from_l0_flag && + current->num_ref_idx_active[1] > 1)) { + unsigned int idx = current->sh_collocated_from_l0_flag ? 0 : 1; + ue(sh_collocated_ref_idx, 0, current->num_ref_idx_active[idx] - 1); + } else { + infer(sh_collocated_ref_idx, 0); + } } else { - infer(sh_collocated_ref_idx, 0); + if (current->sh_slice_type == VVC_SLICE_TYPE_B) + infer(sh_collocated_from_l0_flag, ph->ph_collocated_from_l0_flag); + else + infer(sh_collocated_from_l0_flag, 1); + infer(sh_collocated_ref_idx, ph->ph_collocated_ref_idx); } } if (!pps->pps_wp_info_in_ph_flag && |