Class: RubberBand::Processor
- Inherits:
-
Object
- Object
- RubberBand::Processor
- Defined in:
- lib/rubberband/processor.rb
Instance Method Summary collapse
- #binary ⇒ Object
- #convert_succeeded? ⇒ Boolean
-
#initialize(input_file, output_file, options = Options.new) ⇒ Processor
constructor
A new instance of Processor.
- #run ⇒ Object
Constructor Details
#initialize(input_file, output_file, options = Options.new) ⇒ Processor
Returns a new instance of Processor.
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# File 'lib/rubberband/processor.rb', line 6 def initialize(input_file, output_file, = Options.new) @input_file = input_file @output_file = output_file @errors = [] if .is_a?(String) || .is_a?(Options) @raw_options = elsif .is_a?(Hash) @raw_options = Options.new() else raise ArgumentError, "Unknown options format '#{.class}', should be either EncodingOptions, Hash or String." end end |
Instance Method Details
#binary ⇒ Object
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# File 'lib/rubberband/processor.rb', line 20 def binary binary_path = `which rubberband` if $? == 0 binary_path else raise "rubberband binary not found!" end end |
#convert_succeeded? ⇒ Boolean
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# File 'lib/rubberband/processor.rb', line 54 def convert_succeeded? unless File.exists?(@output_file) @errors << "no output file created" return false end true end |
#run ⇒ Object
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# File 'lib/rubberband/processor.rb', line 29 def run command = "#{binary} #{@raw_options} '#{Shellwords.escape(@input_file)}' '#{Shellwords.escape(@output_file)}'" output = "" Open3.popen3(command) do |stdin, stdout, stderr| yield(0.0) if block_given? stderr.each("r") do |line| output << line if line =~ /(\d+)%/ # ffmpeg 0.8 and above style progress = $1.to_f / 100.0 yield(progress) end end end if convert_succeeded? yield(1.0) true else errors = @errors.empty? ? "" : " Errors: #{@errors.join(", ")}. " raise "Failed encoding.#{errors}Full output: #{output}" end end |