Class: Ffmprb::Util::ThreadedIoBuffer

Inherits:
Object
  • Object
show all
Defined in:
lib/ffmprb/util/threaded_io_buffer.rb

Overview

TODO the events mechanism is currently unused (and commented out) => synchro mechanism not needed XXX partially specc’ed in file_spec

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(input, *outputs) ⇒ ThreadedIoBuffer

NOTE input/output can be lambdas for single asynchronic io evaluation

the labdas must be timeout-interrupt-safe (since they are wrapped in timeout blocks)

NOTE both ios are being opened and closed as soon as possible



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# File 'lib/ffmprb/util/threaded_io_buffer.rb', line 25

def initialize(input, *outputs)  # XXX SPEC ME!!! multiple outputs!!

  @input = input
  @outputs = outputs.inject({}) do |hash, out|
    hash[out] = SizedQueue.new(self.class.blocks_max)
    hash
  end
  @stat_blocks_max = 0
  @terminate = false
  # @events = {}

  Thread.new "io buffer main" do
    init_reader!
    outputs.each do |output|
      init_writer_output! output
      init_writer! output
    end

    Thread.join_children!
  end
end

Class Attribute Details

.block_size ⇒ Object

Returns the value of attribute block_size.



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# File 'lib/ffmprb/util/threaded_io_buffer.rb', line 13

def block_size
  @block_size
end

.blocks_max ⇒ Object

Returns the value of attribute blocks_max.



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# File 'lib/ffmprb/util/threaded_io_buffer.rb', line 12

def blocks_max
  @blocks_max
end

.timeout ⇒ Object

Returns the value of attribute timeout.



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# File 'lib/ffmprb/util/threaded_io_buffer.rb', line 14

def timeout
  @timeout
end

Class Method Details

.default_size ⇒ Object 



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# File 'lib/ffmprb/util/threaded_io_buffer.rb', line 16

def default_size
  blocks_max * block_size
end