Class: IO

Inherits:
Object
  • Object
show all
Defined in:
lib/flv/core_extensions.rb

Instance Method Summary collapse

Instance Method Details

#read__STRING(length, position = nil) ⇒ Object 



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# File 'lib/flv/core_extensions.rb', line 84

def read__STRING(length, position = nil)
  seek position unless position.nil?
  read length
end

#read__UI16(position = nil) ⇒ Object 



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# File 'lib/flv/core_extensions.rb', line 69

def read__UI16(position = nil)
  seek position unless position.nil?
  (readchar << 8) + readchar
end

#read__UI24(position = nil) ⇒ Object 



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# File 'lib/flv/core_extensions.rb', line 74

def read__UI24(position = nil)
  seek position unless position.nil?
  (readchar << 16) + (readchar << 8) + readchar
end

#read__UI32(position = nil) ⇒ Object 



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# File 'lib/flv/core_extensions.rb', line 79

def read__UI32(position = nil)
  seek position unless position.nil?
  (readchar << 24) + (readchar << 16) + (readchar << 8) + readchar
end

#read__UI8(position = nil) ⇒ Object 



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# File 'lib/flv/core_extensions.rb', line 64

def read__UI8(position = nil)
  seek position unless position.nil?
  readchar
end

#write__STRING(string, position = nil) ⇒ Object 



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# File 'lib/flv/core_extensions.rb', line 107

def write__STRING(string, position = nil)
  seek position unless position.nil?
  write string
end

#write__UI24(value, position = nil) ⇒ Object 



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# File 'lib/flv/core_extensions.rb', line 95

def write__UI24(value, position = nil)
  seek position unless position.nil?
  write [value >> 16].pack('c')
  write [(value >> 8) & 0xff].pack('c')
  write [value & 0xff].pack('c')
end

#write__UI32(value, position = nil) ⇒ Object 



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# File 'lib/flv/core_extensions.rb', line 102

def write__UI32(value, position = nil)
  seek position unless position.nil?
  write [value].pack('N')
end

#write__UI8(value, position = nil) ⇒ Object 



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# File 'lib/flv/core_extensions.rb', line 90

def write__UI8(value, position = nil)
  seek position unless position.nil?
  write [value].pack('C')
end