class AudioStream::RingBuffer

Public Class Methods

new(*args, &block) click to toggle source
# File lib/audio_stream/ring_buffer.rb, line 5
def initialize(*args, &block)
  @array = Array.new(*args, &block)
  @seek = 0
end

Public Instance Methods

[](idx) click to toggle source
# File lib/audio_stream/ring_buffer.rb, line 19
def [](idx)
  @array[(idx+@seek) % @array.size]
end
[]=(idx, val) click to toggle source
# File lib/audio_stream/ring_buffer.rb, line 23
def []=(idx, val)
  @array[(idx+@seek) % @array.size] = val
end
current() click to toggle source
# File lib/audio_stream/ring_buffer.rb, line 27
def current
  self[0]
end
current=(val) click to toggle source
# File lib/audio_stream/ring_buffer.rb, line 31
def current=(val)
  self[0] = val
end
each(&block) click to toggle source
# File lib/audio_stream/ring_buffer.rb, line 10
def each(&block)
  Enumerator.new do|y|
    start = @seek
    @array.size.times {|i|
      y << self[i]
    }
  end.each(&block)
end
rotate(step=1) click to toggle source
# File lib/audio_stream/ring_buffer.rb, line 35
def rotate(step=1)
  @seek = (@seek + step) % @array.size
end