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Add pps structure and parsing function (#3875)

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This commit is contained in:
alex
2024-09-10 10:59:44 +08:00
committed by GitHub
parent e322db0a04
commit 7c5ba5a099
2 changed files with 89 additions and 1 deletions
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33
ext-codec/SPSParser.c
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@@ -2284,3 +2284,36 @@ void h265GeFramerate(T_HEVCVPS *ptVps, T_HEVCSPS *ptSps,float *pfFramerate)
}
}
int h265ParsePps(T_GetBitContext *ptGetBitContext, T_HEVC_PPS *ptPps)
{
int iRet = 0;
ptPps->pps_pic_parameter_set_id = parseUe(ptGetBitContext);
ptPps->pps_seq_parameter_set_id = parseUe(ptGetBitContext);
ptPps->dependent_slice_segments_enabled_flag = getOneBit(ptGetBitContext);
ptPps->output_flag_present_flag = getOneBit(ptGetBitContext);
ptPps->num_extra_slice_header_bits = getBits(ptGetBitContext, 3);
ptPps->sign_data_hiding_enabled_flag = getOneBit(ptGetBitContext);
ptPps->cabac_init_present_flag = getOneBit(ptGetBitContext);
ptPps->num_ref_idx_l0_default_active_minus1 = parseUe(ptGetBitContext);
ptPps->num_ref_idx_l1_default_active_minus1 = parseUe(ptGetBitContext);
ptPps->init_qp_minus26 = parseSe(ptGetBitContext);
ptPps->constrained_intra_pred_flag = getOneBit(ptGetBitContext);
ptPps->transform_skip_enabled_flag = getOneBit(ptGetBitContext);
ptPps->cu_qp_delta_enabled_flag = getOneBit(ptGetBitContext);
if (ptPps->cu_qp_delta_enabled_flag) {
ptPps->diff_cu_qp_delta_depth = parseUe(ptGetBitContext);
}
ptPps->pps_cb_qp_offset = parseSe(ptGetBitContext);
ptPps->pps_cr_qp_offset = parseSe(ptGetBitContext);
ptPps->pps_slice_chroma_qp_offsets_present_flag = getOneBit(ptGetBitContext);
ptPps->weighted_pred_flag = getOneBit(ptGetBitContext);
ptPps->weighted_bipred_flag = getOneBit(ptGetBitContext);
ptPps->transquant_bypass_enabled_flag = getOneBit(ptGetBitContext);
ptPps->tiles_enabled_flag = getOneBit(ptGetBitContext);
ptPps->entropy_coding_sync_enabled_flag = getOneBit(ptGetBitContext);
return iRet;
}