def hrd_parameters(self, str_payload): dict_info = self.dict_info dict_info["cpb_cnt_minus1"] = pyUtils.read_ue(str_payload) dict_info["bit_rate_scale"] = pyUtils.read_bits(str_payload, 4) dict_info["cpb_size_scale"] = pyUtils.read_bits(str_payload, 4) dict_info["bit_rate_value_minus1"] = [ 0 for i in range(dict_info["cpb_cnt_minus1"] + 1) ] dict_info["cpb_size_value_minus1"] = [ 0 for i in range(dict_info["cpb_cnt_minus1"] + 1) ] dict_info["cbr_flag"] = [ 0 for i in range(dict_info["cpb_cnt_minus1"] + 1) ] for schedse1idex in range(dict_info["cpb_cnt_minus1"] + 1): dict_info["bit_rate_value_minus1"][schedse1idex] = pyUtils.read_ue( str_payload) dict_info["cpb_size_value_minus1"][schedse1idex] = pyUtils.read_ue( str_payload) dict_info["cbr_flag"][schedse1idex] = pyUtils.read_bits( str_payload, 1) dict_info[ "initial_cpb_removal_delay_length_minus1"] = pyUtils.read_bits( str_payload, 5) dict_info["cpb_removal_delay_length_minus1"] = pyUtils.read_bits( str_payload, 5) dict_info["dpb_output_delay_length_minus1"] = pyUtils.read_bits( str_payload, 5) dict_info["time_offset_length"] = pyUtils.read_bits(str_payload, 5)
def ref_pic_list_reordering(self, str_payload): dict_info = self.dict_info if (dict_info["slice_type"] % 5) != 2 and (dict_info["slice_type"] % 5) != 4: # slice_type != I and slice_type != SI dict_info["ref_pic_list_reordering_flag_l0"] = pyUtils.read_bits( str_payload, 1) if dict_info["ref_pic_list_reordering_flag_l0"] == 1: dict_info["reordering_of_pic_nums_idc"] = 0 while dict_info["reordering_of_pic_nums_idc"] != 3: dict_info["reordering_of_pic_nums_idc"] = pyUtils.read_ue( str_payload) if dict_info[ "reordering_of_pic_nums_idc"] == 0 or dict_info[ "reordering_of_pic_nums_idc"] == 1: dict_info["abs_diff_pic_num_minus1"] = pyUtils.read_ue( str_payload) elif dict_info["reordering_of_pic_nums_idc"] == 2: dict_info["long_term_pic_num"] = pyUtils.read_ue( str_payload) if (dict_info["slice_type"] % 5) == 1: # slice_type == B dict_info["ref_pic_list_reordering_flag_l1"] = pyUtils.read_bits( str_payload, 1) if dict_info["ref_pic_list_reordering_flag_l1"] == 1: dict_info["reordering_of_pic_nums_idc"] = 0 while dict_info["reordering_of_pic_nums_idc"] != 3: dict_info["reordering_of_pic_nums_idc"] = pyUtils.read_ue( str_payload) if dict_info[ "reordering_of_pic_nums_idc"] == 0 or dict_info[ "reordering_of_pic_nums_idc"] == 1: dict_info["abs_diff_pic_num_minus1"] = pyUtils.read_ue( str_payload) elif dict_info["reordering_of_pic_nums_idc"] == 2: dict_info["long_term_pic_num"] = pyUtils.read_ue( str_payload)
def dec_ref_pic_marking(self, str_payload): dict_info = self.dict_info nal_info = self.nal_info if nal_info["nal_unit_type"] == 5: dict_info["no_output_of_prior_pics_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["long_term_reference_flag"] = pyUtils.read_bits( str_payload, 1) else: dict_info[ "adaptive_ref_pic_marking_mode_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["adaptive_ref_pic_marking_mode_flag"] == 1: dict_info["memory_management_control_operation"] = 1 while dict_info["memory_management_control_operation"] != 0: dict_info[ "memory_management_control_operation"] = pyUtils.read_ue( str_payload) if dict_info[ "memory_management_control_operation"] == 1 or dict_info[ "memory_management_control_operation"] == 3: dict_info[ "difference_of_pic_nums_minus1"] = pyUtils.read_ue( str_payload) if dict_info["memory_management_control_operation"] == 2: dict_info["long_term_pic_num"] = pyUtils.read_ue( str_payload) if dict_info[ "memory_management_control_operation"] == 3 or dict_info[ "memory_management_control_operation"] == 6: dict_info["long_term_frame_idx"] = pyUtils.read_ue( str_payload) if dict_info["memory_management_control_operation"] == 4: dict_info[ "max_long_term_frame_idx_plus1"] = pyUtils.read_ue( str_payload)
def vui_parameters(self, str_payload): dict_info = self.dict_info dict_info["aspect_ratio_info_present_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["aspect_ratio_info_present_flag"] == 1: dict_info["aspect_ratio_idc"] = pyUtils.read_bits(str_payload, 8) if dict_info["aspect_ratio_idc"] == self.Extended_SAR: dict_info["sar_width"] = pyUtils.read_bits(str_payload, 16) dict_info["sar_height"] = pyUtils.read_bits(str_payload, 16) dict_info["overscan_info_present_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["overscan_info_present_flag"] == 1: dict_info["overscan_appropriate_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["video_signal_type_present_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["video_signal_type_present_flag"] == 1: dict_info["video_format"] = pyUtils.read_bits(str_payload, 3) dict_info["video_full_range_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["colour_description_present_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["colour_description_present_flag"] == 1: dict_info["colour_primaries"] = pyUtils.read_bits( str_payload, 8) dict_info["transfer_characteristics"] = pyUtils.read_bits( str_payload, 8) dict_info["matrix_coefficients"] = pyUtils.read_bits( str_payload, 8) dict_info["chroma_loc_info_present_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["chroma_loc_info_present_flag"] == 1: dict_info["chroma_sample_loc_type_top_field"] = pyUtils.read_ue( str_payload) dict_info["chroma_sample_loc_type_bottom_field"] = pyUtils.read_ue( str_payload) dict_info["timing_info_present_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["timing_info_present_flag"] == 1: dict_info["num_units_in_tick"] = pyUtils.read_bits(str_payload, 32) dict_info["time_scale"] = pyUtils.read_bits(str_payload, 32) dict_info["fixed_frame_rate_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["nal_hrd_parameters_present_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["nal_hrd_parameters_present_flag"] == 1: self.hrd_parameters(str_payload) dict_info["vcl_hrd_parameters_present_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["vcl_hrd_parameters_present_flag"] == 1: self.hrd_parameters(str_payload) if dict_info["nal_hrd_parameters_present_flag"] == 1 or dict_info[ "vcl_hrd_parameters_present_flag"] == 1: dict_info["low_delay_hrd_flag"] = pyUtils.read_bits(str_payload, 1) dict_info["pic_struct_present_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["bitstream_restriction_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["bitstream_restriction_flag"] == 1: dict_info[ "motion_vectors_over_pic_boundaries_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["max_bytes_per_pic_denom"] = pyUtils.read_ue(str_payload) dict_info["max_bits_per_mb_denom"] = pyUtils.read_ue(str_payload) dict_info["log2_max_mv_length_horizontal"] = pyUtils.read_ue( str_payload) dict_info["log2_max_mv_length_vertical"] = pyUtils.read_ue( str_payload) dict_info["num_reorder_frames"] = pyUtils.read_ue(str_payload) dict_info["max_dec_frame_buffering"] = pyUtils.read_ue(str_payload)
def parse(self): dict_info = self.dict_info str_sps_bin = BitArray(self.rbsp).bin print("sps binary = " + str_sps_bin) str_payload = pyUtils.StrBinArray(str_sps_bin) dict_info["profile_idc"] = pyUtils.read_bits(str_payload, 8) dict_info["constraint_set0_flag"] = pyUtils.read_bits(str_payload, 1) dict_info["constraint_set1_flag"] = pyUtils.read_bits(str_payload, 1) dict_info["constraint_set2_flag"] = pyUtils.read_bits(str_payload, 1) dict_info["constraint_set3_flag"] = pyUtils.read_bits(str_payload, 1) dict_info["reserved_zero_4bits"] = pyUtils.read_bits(str_payload, 4) dict_info["level_idc"] = pyUtils.read_bits(str_payload, 8) dict_info["seq_parameter_set_id"] = pyUtils.read_ue(str_payload) if (dict_info["profile_idc"] == 100 or dict_info["profile_idc"] == 110 or dict_info["profile_idc"] == 122 or dict_info["profile_idc"] == 144): dict_info["chroma_format_idc"] = pyUtils.read_ue(str_payload) if dict_info["chroma_format_idc"] == 3: dict_info[ "residual_colour_transform_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["bit_depth_luma_minus8"] = pyUtils.read_ue(str_payload) dict_info["bit_depth_chroma_minus8"] = pyUtils.read_ue(str_payload) dict_info[ "qpprime_y_zero_transform_bypass_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["seq_scaling_matrix_present_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["seq_scaling_matrix_present_flag"] == 1: dict_info["seq_scaling_list_present_flag"] = [ 0 for i in range(8) ] dict_info["scaling_list_4x4"] = [[0 for j in range(16)] for i in range(6)] dict_info["use_default_scaling_matrix_4x4_flag"] = [ 0 for i in range(6) ] dict_info["scaling_list_8x8"] = [[0 for j in range(64)] for i in range(2)] dict_info["use_default_scaling_matrix_8x8_flag"] = [ 0 for i in range(2) ] for i in range(8): dict_info["seq_scaling_list_present_flag"][ i] = pyUtils.read_bits(str_payload, 1) if dict_info["seq_scaling_list_present_flag"][i] == 1: if i < 6: pyUtils.scaling_list( str_payload, dict_info["scaling_list_4x4"][i], 16, dict_info[ "use_default_scaling_matrix_4x4_flag"][i]) else: pyUtils.scaling_list( str_payload, dict_info["scaling_list_8x8"][i - 6], 64, dict_info[ "use_default_scaling_matrix_8x8_flag"][i - 6]) dict_info["log2_max_frame_num_minus4"] = pyUtils.read_ue( str_payload) dict_info["pic_order_cnt_type"] = pyUtils.read_ue(str_payload) if dict_info["pic_order_cnt_type"] == 0: dict_info[ "log2_max_pic_order_cnt_lsb_minus4"] = pyUtils.read_ue( str_payload) elif dict_info["pic_order_cnt_type"] == 1: dict_info[ "delta_pic_order_always_zero_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["offset_for_non_ref_pic"] = pyUtils.read_se( str_payload) dict_info["offset_for_top_to_bottom_field"] = pyUtils.read_se( str_payload) dict_info[ "num_ref_frames_in_pic_order_cnt_cycle"] = pyUtils.read_ue( str_payload) dict_info["offset_for_ref_frame"] = [ 0 for i in range( dict_info["num_ref_frames_in_pic_order_cnt_cycle"]) ] for i in range( dict_info["num_ref_frames_in_pic_order_cnt_cycle"]): dict_info["offset_for_ref_frame"][i] = pyUtils.read_se( str_payload) dict_info["num_ref_frames"] = pyUtils.read_ue(str_payload) dict_info[ "gaps_in_frame_num_value_allowed_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["pic_width_in_mbs_minus1"] = pyUtils.read_ue(str_payload) dict_info["pic_height_in_map_units_minus1"] = pyUtils.read_ue( str_payload) dict_info["frame_mbs_only_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["frame_mbs_only_flag"] == 0: dict_info["mb_adaptive_frame_field_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["direct_8x8_inference_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["frame_cropping_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["frame_cropping_flag"] == 1: dict_info["frame_crop_left_offset"] = pyUtils.read_ue( str_payload) dict_info["frame_crop_right_offset"] = pyUtils.read_ue( str_payload) dict_info["frame_crop_top_offset"] = pyUtils.read_ue( str_payload) dict_info["frame_crop_bottom_offset"] = pyUtils.read_ue( str_payload) dict_info["vui_parameters_present_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["vui_parameters_present_flag"] == 1: self.vui_parameters(str_payload) pyUtils.rbsp_trailing_bits(str_payload)
def parse(self): dict_info = self.dict_info str_pps_bin = BitArray(self.rbsp).bin print("pps binary = " + str_pps_bin) str_payload = pyUtils.StrBinArray(str_pps_bin) dict_info["pic_parameter_set_id"] = pyUtils.read_ue(str_payload) dict_info["seq_parameter_set_id"] = pyUtils.read_ue(str_payload) dict_info["entropy_coding_mode_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["pic_order_present_flag"] = pyUtils.read_bits(str_payload, 1) dict_info["num_slice_groups_minus1"] = pyUtils.read_ue(str_payload) if dict_info["num_slice_groups_minus1"] > 0: dict_info["slice_group_map_type"] = pyUtils.read_ue(str_payload) if dict_info["slice_group_map_type"] == 0: dict_info["run_length_minus1"] = [ 0 for i in range(dict_info["num_slice_groups_minus1"] + 1) ] for i_group in range(dict_info["num_slice_groups_minus1"] + 1): dict_info["run_length_minus1"][i_group] = pyUtils.read_ue( str_payload) elif dict_info["slice_group_map_type"] == 2: dict_info["top_left"] = [ 0 for i in range(dict_info["num_slice_groups_minus1"] + 1) ] dict_info["bottom_right"] = [ 0 for i in range(dict_info["num_slice_groups_minus1"] + 1) ] for i_group in range(dict_info["num_slice_groups_minus1"] + 1): dict_info["top_left"][i_group] = pyUtils.read_ue( str_payload) dict_info["bottom_right"][i_group] = pyUtils.read_ue( str_payload) elif dict_info["slice_group_map_type"] == 3 or dict_info[ "slice_group_map_type"] == 4 or dict_info[ "slice_group_map_type"] == 5: dict_info[ "slice_group_change_direction_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["slice_group_change_rate_minus1"] = pyUtils.read_ue( str_payload) dict_info["pic_size_in_map_units_minus1"] = pyUtils.read_ue( str_payload) for i in range(dict_info["pic_size_in_map_units_minus1"] + 1): pass dict_info["num_ref_idx_l0_active_minus1"] = pyUtils.read_ue( str_payload) dict_info["num_ref_idx_l1_active_minus1"] = pyUtils.read_ue( str_payload) dict_info["weighted_pred_flag"] = pyUtils.read_bits(str_payload, 1) dict_info["weighted_bipred_idc"] = pyUtils.read_bits(str_payload, 2) dict_info["pic_init_qp_minus26"] = pyUtils.read_se(str_payload) dict_info["pic_init_qs_minus26"] = pyUtils.read_se(str_payload) dict_info["chroma_qp_index_offset"] = pyUtils.read_se(str_payload) dict_info[ "deblocking_filter_control_present_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["constrained_intra_pred_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["redundant_pic_cnt_present_flag"] = pyUtils.read_bits( str_payload, 1) if pyUtils.more_rbsp_data(str_payload): dict_info["transform_8x8_mode_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["pic_scaling_matrix_present_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["pic_scaling_matrix_present_flag"] == 1: dict_info["pic_scaling_list_present_flag"] = [ 0 for i in range(6 + 2 * self.transform_8x8_mode_flag) ] dict_info["scaling_list_4x4"] = [[0 for j in range(16)] for i in range(6)] dict_info["use_default_scaling_matrix_4x4_flag"] = [ 0 for i in range(6) ] dict_info["scaling_list_8x8"] = [[0 for j in range(64)] for i in range(2)] dict_info["use_default_scaling_matrix_8x8_flag"] = [ 0 for i in range(2) ] for i in range(6 + 2 * self.transform_8x8_mode_flag): dict_info["pic_scaling_list_present_flag"][ i] = pyUtils.read_bits(str_payload, 1) if dict_info["pic_scaling_list_present_flag"][i] == 1: if i < 6: pyUtils.scaling_list( str_payload, dict_info["scaling_list_4x4"][i], 16, dict_info[ "use_default_scaling_matrix_4x4_flag"][i]) else: pyUtils.scaling_list( str_payload, dict_info["scaling_list_8x8"][i - 6], 64, dict_info[ "use_default_scaling_matrix_8x8_flag"][i - 6]) dict_info["second_chroma_qp_index_offset"] = pyUtils.read_se( str_payload) pyUtils.rbsp_trailing_bits(str_payload)
def pred_weight_table(self, str_payload): dict_info = self.dict_info active_sps = self.active_sps dict_info["luma_log2_weight_denom"] = pyUtils.read_ue(str_payload) if active_sps["chroma_format_idc"] != 0: dict_info["chroma_log2_weight_denom"] = pyUtils.read_ue( str_payload) dict_info["luma_weight_l0"] = [ 0 for i in range(dict_info["num_ref_idx_l0_active_minus1"] + 1) ] dict_info["luma_offset_l0"] = [ 0 for i in range(dict_info["num_ref_idx_l0_active_minus1"] + 1) ] dict_info["chroma_weight_l0"] = [[ 0 for j in range(2) ] for i in range(dict_info["num_ref_idx_l0_active_minus1"] + 1)] dict_info["chroma_offset_l0"] = [[ 0 for j in range(2) ] for i in range(dict_info["num_ref_idx_l0_active_minus1"] + 1)] for i in range(dict_info["num_ref_idx_l0_active_minus1"] + 1): dict_info["luma_weight_l0_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["luma_weight_l0_flag"] == 1: dict_info["luma_weight_l0"][i] = pyUtils.read_se(str_payload) dict_info["luma_offset_l0"][i] = pyUtils.read_se(str_payload) if active_sps["chroma_format_idc"] != 0: dict_info["chroma_weight_l0_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["chroma_weight_l0_flag"] == 1: for j in range(2): dict_info["chroma_weight_l0"][i][j] = pyUtils.read_se( str_payload) dict_info["chroma_offset_l0"][i][j] = pyUtils.read_se( str_payload) if (dict_info["slice_type"] % 5) == 1: # slice_type == B dict_info["luma_weight_l1"] = [ 0 for i in range(dict_info["num_ref_idx_l1_active_minus1"] + 1) ] dict_info["luma_offset_l1"] = [ 0 for i in range(dict_info["num_ref_idx_l1_active_minus1"] + 1) ] dict_info["chroma_weight_l1"] = [[ 0 for j in range(2) ] for i in range(dict_info["num_ref_idx_l1_active_minus1"] + 1)] dict_info["chroma_offset_l1"] = [[ 0 for j in range(2) ] for i in range(dict_info["num_ref_idx_l1_active_minus1"] + 1)] for i in range(dict_info["num_ref_idx_l1_active_minus1"] + 1): dict_info["luma_weight_l1_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["luma_weight_l1_flag"] == 1: dict_info["luma_weight_l1"][i] = pyUtils.read_se( str_payload) dict_info["luma_offset_l1"][i] = pyUtils.read_se( str_payload) if active_sps["chroma_format_idc"] != 0: dict_info["chroma_weight_l1_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["chroma_weight_l1_flag"] == 1: for j in range(2): dict_info["chroma_weight_l1"][i][ j] = pyUtils.read_se(str_payload) dict_info["chroma_offset_l1"][i][ j] = pyUtils.read_se(str_payload)
def parse(self): print("slice_header parse begin") dict_info = self.dict_info active_sps = self.active_sps active_pps = self.active_pps nal_info = self.nal_info str_slice_header_bin = BitArray(self.rbsp).bin # print("slice header binary = " + str_slice_header_bin) str_payload = pyUtils.StrBinArray(str_slice_header_bin) dict_info["first_mb_in_slice"] = pyUtils.read_ue(str_payload) dict_info["slice_type"] = pyUtils.read_ue(str_payload) dict_info["pic_parameter_set_id"] = pyUtils.read_ue(str_payload) dict_info["frame_num"] = pyUtils.read_bits( str_payload, active_sps["log2_max_frame_num_minus4"] + 4) if active_sps["frame_mbs_only_flag"] == 0: dict_info["field_pic_flag"] = pyUtils.read_bits(str_payload, 1) if dict_info["field_pic_flag"] == 1: dict_info["bottom_field_flag"] = pyUtils.read_bits( str_payload, 1) if nal_info["nal_unit_type"] == 5: dict_info["idr_pic_id"] = pyUtils.read_ue(str_payload) if active_sps["pic_order_cnt_type"] == 0: dict_info["pic_order_cnt_lsb"] = pyUtils.read_bits( str_payload, active_sps["log2_max_pic_order_cnt_lsb_minus4"] + 4) if active_pps["pic_order_present_flag"] == 1 and dict_info[ "field_pic_flag"] == 0: dict_info["delta_pic_order_cnt_bottom"] = pyUtils.read_se( str_payload) if active_sps["pic_order_cnt_type"] == 1 and active_sps[ "delta_pic_order_always_zero_flag"] == 0: dict_info["delta_pic_order_cnt"] = [] dict_info["delta_pic_order_cnt"].append( pyUtils.read_se(str_payload)) if active_pps["pic_order_present_flag"] == 1 and dict_info[ "field_pic_flag"] == 0: dict_info["delta_pic_order_cnt"].append( pyUtils.read_se(str_payload)) if active_pps["redundant_pic_cnt_present_flag"] == 1: dict_info["redundant_pic_cnt"] = pyUtils.read_ue(str_payload) if (dict_info["slice_type"] % 5) == 1: # slice_type == B dict_info["direct_spatial_mv_pred_flag"] = pyUtils.read_bits( str_payload, 1) if (dict_info["slice_type"] % 5) == 0 or (dict_info["slice_type"] % 5) == 3 or (dict_info["slice_type"] % 5) == 1: # slice_type == P or slice_type == SP or slice_type == B dict_info["num_ref_idx_active_override_flag"] = pyUtils.read_bits( str_payload, 1) if dict_info["num_ref_idx_active_override_flag"] == 1: dict_info["num_ref_idx_l0_active_minus1"] = pyUtils.read_ue( str_payload) if (dict_info["slice_type"] % 5) == 1: dict_info[ "num_ref_idx_l1_active_minus1"] = pyUtils.read_ue( str_payload) self.ref_pic_list_reordering(str_payload) if (active_pps["weighted_pred_flag"] == 1 and ((dict_info["slice_type"] % 5) == 0 or (dict_info["slice_type"] % 5) == 3)) or ( active_pps["weighted_bipred_idc"] == 1 and (dict_info["slice_type"] % 5) == 1): self.pred_weight_table(str_payload) if nal_info["nal_ref_idc"] != 0: self.dec_ref_pic_marking(str_payload) if active_pps["entropy_coding_mode_flag"] == 1 and ( dict_info["slice_type"] % 5) != 2 and (dict_info["slice_type"] % 5) != 4: dict_info["cabac_init_idc"] = pyUtils.read_ue(str_payload) dict_info["slice_qp_delta"] = pyUtils.read_se(str_payload) if (dict_info["slice_type"] % 5) == 3 or (dict_info["slice_type"] % 5) == 4: if (dict_info["slice_type"] % 5) == 3: dict_info["sp_for_switch_flag"] = pyUtils.read_bits( str_payload, 1) dict_info["slice_qs_delta"] = pyUtils.read_se(str_payload) if active_pps["deblocking_filter_control_present_flag"] == 1: dict_info["disable_deblocking_filter_idc"] = pyUtils.read_ue( str_payload) if dict_info["disable_deblocking_filter_idc"] != 1: dict_info["slice_alpha_c0_offset_div2"] = pyUtils.read_se( str_payload) dict_info["slice_beta_offset_div2"] = pyUtils.read_se( str_payload) if active_pps["num_slice_groups_minus1"] > 0 and active_pps[ "slice_group_map_type"] >= 3 and active_pps[ "slice_group_map_type"] <= 5: # self.slice_group_change_cycle = pass print("slice_header parse begin") pass