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lib/awaaz/utils/via_shell.rb

popen pipes to/from command

SHA-2566cf3a3d31e4b352ea3cb147c46f77f6fd5a57f5382a415405f98d4fc2c8576e4

MaleculeH(Po)

Evidence

English function-word token "the" lines 1–13

1# frozen_string_literal: true
2
3module Awaaz
module Utils
  ##
  # Utility module providing shell-based audio decoding support for decoder classes.
  #
  # This module is intended to be mixed into decoder classes that rely on external
  # tools such as `ffmpeg`, `mpg123`, or `sox` to decode audio files. It builds the
  # appropriate shell commands, executes them, and converts the raw audio data into
  # [Numo::NArray] samples.
  #
  # @note This module is …

References standard input name (stdin) lines 62–68

63… g)
63
      ffmpeg_command
        .add_flag("-nostdin")
        .add_option("-v", "quiet")
        .add_option("-i", filename)
        .add_opt …

popen pipes to/from command lines 121–123

38… .command unless shell_command.is_a?(String)
      raw_audio = IO.popen(shell_command, "rb", &:read)
      samples = Numo::Int16.from_string(raw_audio).cast_to(Numo::DFloat) / amplification_fact …

English function-word token "with" lines 130–133

75… raises
    # a {Awaaz::DecoderNotFound} error with a list of potential decoders.
    #
    # @raise [Awaaz::DecoderNotFound] if no decoder cou …