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发表于 2022-9-2 12:25
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本帖最后由 @y2gy2g@ 于 2022-9-2 12:50 编辑
先科普一下什么是反应/响应,就是打屁股针的时候,针扎进去你要能感受到疼痛,如果屁股扎了很多针都是大窟窿了你还无动于衷,那么就是没有反应了!
下面是杜比视界RPU的元数据,视频测试测试的是电视对这个元数据有没有反应,比如下面的是想测试对亮度LEVEL 1的反应.
DoVi_L1_test_high_brightness_ojA5_[Frame 453 Info]第453帧处的亮度LEVEL1,其它帧有不同的亮度。
- Parsing RPU file...
- Summary:
- Frames: 648
- Profile: 8
- DM version: 1 (CM v2.9)
- Scene/shot count: 9
- Parsing RPU file...
- {
- "dovi_profile": 8,
- "header": {
- "rpu_nal_prefix": 25,
- "rpu_type": 2,
- "rpu_format": 18,
- "vdr_rpu_profile": 1,
- "vdr_rpu_level": 0,
- "vdr_seq_info_present_flag": true,
- "chroma_resampling_explicit_filter_flag": false,
- "coefficient_data_type": 0,
- "coefficient_log2_denom": 23,
- "vdr_rpu_normalized_idc": 1,
- "bl_video_full_range_flag": false,
- "bl_bit_depth_minus8": 2,
- "el_bit_depth_minus8": 2,
- "vdr_bit_depth_minus_8": 4,
- "spatial_resampling_filter_flag": false,
- "reserved_zero_3bits": 0,
- "el_spatial_resampling_filter_flag": false,
- "disable_residual_flag": true,
- "vdr_dm_metadata_present_flag": true,
- "use_prev_vdr_rpu_flag": false,
- "prev_vdr_rpu_id": 0,
- "vdr_rpu_id": 0,
- "mapping_color_space": 0,
- "mapping_chroma_format_idc": 0,
- "num_pivots_minus_2": [
- 0,
- 0,
- 0
- ],
- "pred_pivot_value": [
- [
- 0,
- 1023
- ],
- [
- 0,
- 1023
- ],
- [
- 0,
- 1023
- ]
- ],
- "nlq_method_idc": null,
- "nlq_num_pivots_minus2": null,
- "nlq_pred_pivot_value": null,
- "num_x_partitions_minus1": 0,
- "num_y_partitions_minus1": 0
- },
- "rpu_data_mapping": {
- "mapping_idc": [
- [
- 0
- ],
- [
- 0
- ],
- [
- 0
- ]
- ],
- "mapping_param_pred_flag": [
- [
- false
- ],
- [
- false
- ],
- [
- false
- ]
- ],
- "num_mapping_param_predictors": [
- [
- 0
- ],
- [
- 0
- ],
- [
- 0
- ]
- ],
- "diff_pred_part_idx_mapping_minus1": [
- [],
- [],
- []
- ],
- "poly_order_minus1": [
- [
- 0
- ],
- [
- 0
- ],
- [
- 0
- ]
- ],
- "linear_interp_flag": [
- [
- false
- ],
- [
- false
- ],
- [
- false
- ]
- ],
- "pred_linear_interp_value_int": [
- [],
- [],
- []
- ],
- "pred_linear_interp_value": [
- [],
- [],
- []
- ],
- "poly_coef_int": [
- [
- [
- 0,
- 1
- ]
- ],
- [
- [
- 0,
- 1
- ]
- ],
- [
- [
- 0,
- 1
- ]
- ]
- ],
- "poly_coef": [
- [
- [
- 0,
- 0
- ]
- ],
- [
- [
- 0,
- 0
- ]
- ],
- [
- [
- 0,
- 0
- ]
- ]
- ],
- "mmr_order_minus1": [
- [],
- [],
- []
- ],
- "mmr_constant_int": [
- [],
- [],
- []
- ],
- "mmr_constant": [
- [],
- [],
- []
- ],
- "mmr_coef_int": [
- [],
- [],
- []
- ],
- "mmr_coef": [
- [],
- [],
- []
- ]
- },
- "vdr_dm_data": {
- "compressed": false,
- "affected_dm_metadata_id": 0,
- "current_dm_metadata_id": 0,
- "scene_refresh_flag": 0,
- "ycc_to_rgb_coef0": 9574,
- "ycc_to_rgb_coef1": 0,
- "ycc_to_rgb_coef2": 13802,
- "ycc_to_rgb_coef3": 9574,
- "ycc_to_rgb_coef4": -1540,
- "ycc_to_rgb_coef5": -5348,
- "ycc_to_rgb_coef6": 9574,
- "ycc_to_rgb_coef7": 17610,
- "ycc_to_rgb_coef8": 0,
- "ycc_to_rgb_offset0": 16777216,
- "ycc_to_rgb_offset1": 134217728,
- "ycc_to_rgb_offset2": 134217728,
- "rgb_to_lms_coef0": 7222,
- "rgb_to_lms_coef1": 8771,
- "rgb_to_lms_coef2": 390,
- "rgb_to_lms_coef3": 2654,
- "rgb_to_lms_coef4": 12430,
- "rgb_to_lms_coef5": 1300,
- "rgb_to_lms_coef6": 0,
- "rgb_to_lms_coef7": 422,
- "rgb_to_lms_coef8": 15962,
- "signal_eotf": 65535,
- "signal_eotf_param0": 0,
- "signal_eotf_param1": 0,
- "signal_eotf_param2": 0,
- "signal_bit_depth": 12,
- "signal_color_space": 0,
- "signal_chroma_format": 0,
- "signal_full_range_flag": 1,
- "source_min_pq": 62,
- "source_max_pq": 3696,
- "source_diagonal": 42,
- "cmv29_metadata": {
- "num_ext_blocks": 3,
- "ext_metadata_blocks": [
- {
- "<font color="#ff0000">Level1</font>": {
- "min_pq": 0,
- "max_pq": 2081,
- "avg_pq": 2036
- }
- },
- {
- "Level5": {
- "active_area_left_offset": 0,
- "active_area_right_offset": 0,
- "active_area_top_offset": 0,
- "active_area_bottom_offset": 0
- }
- },
- {
- "Level6": {
- "max_display_mastering_luminance": 4000,
- "min_display_mastering_luminance": 50,
- "max_content_light_level": 5640,
- "max_frame_average_light_level": 90
- }
- }
- ]
- }
- },
- "rpu_data_crc32": 1428127929
- }
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