Class: Ariblib::NetworkInformationTable

Inherits:
ProgramSpecificInformation show all
Defined in:
lib/ariblib/ProgramSpecificInformation.rb

Overview

< 1Kbyte

Instance Attribute Summary

Attributes inherited from ProgramSpecificInformation

#contents

Instance Method Summary collapse

Methods inherited from ProgramSpecificInformation

#arib_to_utf8, #descriptor, #init_buf, #initialize, #set, #set_buf

Constructor Details

This class inherits a constructor from Ariblib::ProgramSpecificInformation

Instance Method Details

#parse_buf ⇒ Object 



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# File 'lib/ariblib/ProgramSpecificInformation.rb', line 196

def parse_buf
  ret=[]
  bs=BitStream.new(@buf)
  table_id                        =bs.read 8 #uimsbf
  section_syntax_indicator        =bs.read 1 #bslbf
  reserved_future_use             =bs.read 1 #bslbf
  reserved                        =bs.read 2 #bslbf
  section_length                  =bs.read 12 #uimsbf
  network_id                      =bs.read 16 #uimsbf
  reserved                        =bs.read 2 #bslbf
  version_number                  =bs.read 5 #uimsbf
  current_next_indicator          =bs.read 1 #bslbf
  section_number                  =bs.read 8 #uimsbf
  last_section_number             =bs.read 8 #uimsbf
  reserved_future_use             =bs.read 4 #bslbf
  network_descriptors_length      =bs.read 12 #uimsbf
  desc=descriptor(bs,network_descriptors_length)
  ret << [:NIT,table_id,desc]
  reserved_future_use             =bs.read 4 #bslbf
  transport_stream_loop_length    =bs.read 12 #uimsbf
  
  len=bs.pos+transport_stream_loop_length*8
  while bs.pos < len
    transport_stream_id           =bs.read 16 #uimsbf
    original_network_id           =bs.read 16 #uimsbf
    reserved_future_use           =bs.read 4 #bslbf
    transport_descriptors_length  =bs.read 12 #uimsbf
    desc=descriptor(bs,transport_descriptors_length)
    ret << [transport_stream_id,original_network_id,desc]
  end
  cCRC_32                         =bs.read 32 #rpchof
  ret
end