2-STD-B21v5_5

ARIB STD-B21
表 9-32 Tuner Status Descriptor
(antenna 入 力 (input=0)の 場 合 の 構 造 )
構 造 ビット 数 値 ( 注 1)
descriptor_length 16
general_tuner_status{
antenna_input_info_length 8 0x0C
antenna_input_info{
active_system_id 8 0x20
searching, moving, no_RF, reserved(5bits) 8
input(=0), selected_antenna(7bits) 8
antenna_general_system_info{
BER 32 [0x00000000]
signal_strength 8 [0xFF]
raster_frequency(2bits)
RF_frequency(22bits)
2
22
0x2
[0x000000]
manufacturer_dependent_info_length 8 0x00
}
}
system_specific_multiplex_selection_length 8 0x0C
system_specific_multiplex_selection{
system_specific_multiplex_attributes_valid_flags{
reserved_field, center_frequency, bandwidth,
constellation, hierarchy_info, code_rate-HP_stream,
8 [0x00]
code_rate-LP_stream, guard_interval
network_id, transmission_mode,
other_frequency_flag, reserved(5bits)
8 [0x00]
}
system_specific_multiplex_selection_attributes{
currently_available, selected, reserved(6bits) 8
center_frequency 32 [0x00000000]
bandwidth(3bits), reserved(5bits) 8 [0x00]
constellation(2bits), hierarchy_info(3bits),
code_rate-HP_stream(3bits)
8 [0x00]
code_rate-LP_stream(3bits), guard_interval(2bits),
transmission_mode(2bits), other_frequency_flag
8 [0x00]
network_id 16 [0x0000]
}
}
demux_input_info_length 8
demux_input_info{ }
}
number_of_source_plugs 8
for (i=0; i< number_of_source_plugs; i++) {
source_plug_status[i]{
source_plug_number 8
attributes 8 0x00
input, reserved(7bits) 8 0x00
data_status_length 8 0x00
data_status{ }
info_type_status_length 8
info_type_status{
status 8 [0x00/10/20]
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