Class: FLV::StreamReader

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(io) ⇒ StreamReader

Returns a new instance of StreamReader.



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# File 'lib/flv/stream_reader.rb', line 7

def initialize(io)
  @io = io
end

Class Method Details

.for_string(str) ⇒ Object 



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# File 'lib/flv/stream_reader.rb', line 11

def self.for_string(str)
  new(StringIO.new(str))
end

Instance Method Details

#eof? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flv/stream_reader.rb', line 15

def eof?
  @io.eof?
end

#read_byte ⇒ Object 



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# File 'lib/flv/stream_reader.rb', line 27

def read_byte
  @io.readbyte
end

#read_bytes(n) ⇒ Object 



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# File 'lib/flv/stream_reader.rb', line 23

def read_bytes(n)
  @io.read(n)
end

#read_double_be ⇒ Object 



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# File 'lib/flv/stream_reader.rb', line 53

def read_double_be
  read_bytes(8).unpack("G").first
end

#read_sint16_be ⇒ Object 



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# File 'lib/flv/stream_reader.rb', line 43

def read_sint16_be
  read_bytes(2).unpack("s>").first
end

#read_uint16_be ⇒ Object 



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# File 'lib/flv/stream_reader.rb', line 39

def read_uint16_be
  read_bytes(2).unpack("S>").first
end

#read_uint24_be ⇒ Object 



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# File 'lib/flv/stream_reader.rb', line 35

def read_uint24_be
  "\x00#{read_bytes(3)}".unpack("L>").first
end

#read_uint32_be ⇒ Object 



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# File 'lib/flv/stream_reader.rb', line 31

def read_uint32_be
  read_bytes(4).unpack("L>").first
end

#read_uint32_weird_endian ⇒ Object 



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# File 'lib/flv/stream_reader.rb', line 47

def read_uint32_weird_endian
  lower = read_uint24_be
  higher = read_byte
  lower | (higher << 24)
end

#seek(offset) ⇒ Object 



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# File 'lib/flv/stream_reader.rb', line 19

def seek(offset)
  @io.seek(offset, IO::SEEK_CUR)
end