Class: RVideo::Inspector

Inherits:
Object
  • Object
show all
Defined in:
lib/videojoiner/rvideo_patch.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Inspector

Returns a new instance of Inspector.



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# File 'lib/videojoiner/rvideo_patch.rb', line 2

def initialize(options = {})
  if options[:raw_response]
    @raw_response = options[:raw_response]
  elsif options[:file]
    if options[:ffmpeg_binary]
      @ffmpeg_binary = options[:ffmpeg_binary]
      raise RuntimeError, "ffmpeg could not be found (trying #{@ffmpeg_binary})" unless FileTest.exist?(@ffmpeg_binary)
    else
      # assume it is in the unix path
      raise RuntimeError, 'ffmpeg could not be found (expected ffmpeg to be found in the Unix path)' unless FileTest.exist?(`which ffmpeg`.chomp)
      @ffmpeg_binary = "ffmpeg"
    end

    file = options[:file]
    @filename = File.basename(file)
    @path = File.dirname(file)
    @full_filename = file
    raise ArgumentError, "File not found (#{file})" unless FileTest.exist?(file.gsub("\"",""))
    @raw_response = `#{@ffmpeg_binary} -i #{@full_filename} 2>&1`
  else
    raise ArgumentError, "Must supply either an input file or a pregenerated response" if options[:raw_response].nil? and file.nil?
  end

  metadata = /(Input \#.*)\n/m.match(@raw_response)

  if /Unknown format/i.match(@raw_response) || metadata.nil?
    @unknown_format = true
  elsif /Duration: N\/A|bitrate: N\/A/im.match(@raw_response)
    @unreadable_file = true
    @raw_metadata = metadata[1] # in this case, we can at least still get the container type
  else
    @raw_metadata = metadata[1]
  end
end