Class: AVCapture::ImagePromise

Inherits:

Object

• Object
• AVCapture::ImagePromise

Defined in:

lib/av_capture.rb

Instance Method Summary

• #data ⇒ Object (also: #read)
• #initialize(io) ⇒ ImagePromise constructor

  A new instance of ImagePromise.

• #to_io ⇒ Object

Constructor Details

#initialize(io) ⇒ ImagePromise

Returns a new instance of ImagePromise.

# File 'lib/av_capture.rb', line 18

def initialize io
  @io    = io
  @data  = nil
  @mutex = Mutex.new
end

Instance Method Details

#data ⇒ Object Also known as: read

# File 'lib/av_capture.rb', line 26

def data
  @data || @mutex.synchronize do
    @data ||= @io.read.tap { @io.close }
  end
end

#to_io ⇒ Object

# File 'lib/av_capture.rb', line 24

def to_io; @io; end