Class: Ariblib::ServiceDescriptionTable

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 78

def parse_buf
	ret=[]
	bs=BitStream.new(@buf)
	#service_description_section(){
	table_id                  =bs.read 8 #uimsbf
	#staff_table if table_id == 0x72
	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# < 1024 -3
	transport_stream_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
	original_network_id       =bs.read 16 #uimsbf
	reserved_future_use       =bs.read 8 #bslbf
	ret << [table_id,original_network_id,transport_stream_id]
	len=(section_length+3-4)*8
	while bs.pos < len
		service_id                  =bs.read 16 #uimsbf
		reserved_future_use         =bs.read 3 #bslbf
		fEIT_user_defined_flags     =bs.read 3 #bslbf
		fEIT_schedule_flag          =bs.read 1 #bslbf
		fEIT_present_following_flag =bs.read 1 #bslbf
		running_status              =bs.read 3 #uimsbf
		free_CA_mode                =bs.read 1 #bslbf
		descriptors_loop_length     =bs.read 12 #uimsbf
		desc=descriptor(bs,descriptors_loop_length)
		ret << [service_id,desc]
	end
	cCRC_32  =bs.read 32 #rpchof
	ret
end