num_seis: 2
num_regions: 2
0 10 10 10 20
1 20 20 30 40 
payloadType: 142
colour_remap_id: 0
colour_remap_cancel_flag: 0
colour_remap_persistence_flag: 1
colour_remap_video_signal_info_present_flag: 1
colour_remap_full_range_flag: 0
colour_remap_primaries: 9
colour_remap_transfer_function: 16
colour_remap_matrix_coefficients: 9

colour_remap_input_bit_depth: 10
colour_remap_bit_depth: 10

pre_lut_num_val_minus1[c]: 1
pre_lut_coded_value[c][i]:   64   pre_lut_target_value[c][i]:   64
pre_lut_coded_value[c][i]:  940   pre_lut_target_value[c][i]:  500

pre_lut_num_val_minus1[c]: 1
pre_lut_coded_value[c][i]:   64   pre_lut_target_value[c][i]:  128
pre_lut_coded_value[c][i]:  960   pre_lut_target_value[c][i]:  896

pre_lut_num_val_minus1[c]: 1
pre_lut_coded_value[c][i]:   64   pre_lut_target_value[c][i]:  192
pre_lut_coded_value[c][i]:  960   pre_lut_target_value[c][i]:  832

colour_remap_matrix_present_flag: 0

post_lut_num_val_minus1[c]: 1
post_lut_coded_value[c][i]:  64   post_lut_target_value[c][i]:    64
post_lut_coded_value[c][i]:  500   post_lut_target_value[c][i]:  940

post_lut_num_val_minus1[c]: 1
post_lut_coded_value[c][i]:  128   post_lut_target_value[c][i]:   64
post_lut_coded_value[c][i]:  896   post_lut_target_value[c][i]:  960

post_lut_num_val_minus1[c]: 1
post_lut_coded_value[c][i]:  192   post_lut_target_value[c][i]:   64
post_lut_coded_value[c][i]:  832   post_lut_target_value[c][i]:  960


num_regions: 2
3 10 10 30 20
1 20 20 30 40 
payloadType: 149
SEICCVCancelFlag                        : 0
SEICCVPersistenceFlag                   : 1
SEICCVPrimariesPresent                  : 1
m_ccvSEIPrimariesX0                     : 0.300
m_ccvSEIPrimariesY0                     : 0.600
m_ccvSEIPrimariesX1                     : 0.150
m_ccvSEIPrimariesY1                     : 0.060
m_ccvSEIPrimariesX2                     : 0.640
m_ccvSEIPrimariesY2                     : 0.330
SEICCVMinLuminanceValuePresent          : 1
SEICCVMinLuminanceValue                 : 0.0
SEICCVMaxLuminanceValuePresent          : 1
SEICCVMaxLuminanceValue                 : 0.1
SEICCVAvgLuminanceValuePresent          : 1
SEICCVAvgLuminanceValue                 : 0.01