Class: Ariblib::ProgramMapTable

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 143

def parse_buf
#TS_program_map_section() 
  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
  len=section_length*8+bs.pos-32
  program_number          =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                =bs.read 3 #bslbf
  iPCR_PID                =bs.read 13 #uimsbf
  reserved                =bs.read 4 #bslbf
  program_info_length     =bs.read 12 #uimsbf
  descriptor(bs,program_info_length)

  while(bs.pos < len)
    stream_type     =bs.read 8 #uimsbf
    reserved        =bs.read 3 #bslbf
    elementary_PID  =bs.read 13 #uimsnf
    reserved        =bs.read 4 #bslbf
    es_info_length  =bs.read 12 #uimsbf
    descriptor(bs,es_info_length)
  end
  cCRC_32  =bs.read 32 #rpchof
  nil
end