class AudioPlayback::File

An audio file

Attributes

num_channels[R]
path[R]
sample_rate[R]
size[R]

Public Class Methods

new(file_or_path) click to toggle source

@param [::File, String] file_or_path

# File lib/audio-playback/file.rb, line 9
def initialize(file_or_path)
  @path = file_or_path.kind_of?(::File) ? file_or_path.path : file_or_path
  @file = RubyAudio::Sound.open(@path)
  @size = ::File.size(@path)
  @num_channels = @file.info.channels
  @sample_rate = @file.info.samplerate
end

Public Instance Methods

read(options = {}) click to toggle source

@param [Hash] options @option options [IO] :logger @return [Array<Array<Float>>, Array<Float>] File data

# File lib/audio-playback/file.rb, line 20
def read(options = {})
  if logger = options[:logger]
    logger.puts("Reading audio file #{@path}")
  end
  buffer = RubyAudio::Buffer.float(@size, @num_channels)
  begin
    @file.seek(0)
    @file.read(buffer, @size)
    data = buffer.to_a
  rescue RubyAudio::Error
  end
  logger.puts("Finished reading audio file #{@path}") if logger
  data
end