chunk.rb in youpy-scissor-0.0.20

- old
+ new

@@ -1,25 +1,13 @@
 require 'digest/md5'
 require 'pathname'
-require 'open4'
-require 'logger'
-require 'temp_dir'
 
 module Scissor
   class Chunk
-    @logger = Logger.new(STDOUT)
-    @logger.level = Logger::INFO
-
-    class << self
-      attr_accessor :logger
-    end
-
     class Error < StandardError; end
-    class FileExists < Error; end
     class EmptyFragment < Error; end
     class OutOfDuration < Error; end
-    class CommandFailed < Error; end
 
     attr_reader :fragments
 
     def initialize(filename = nil)
       @fragments = []
@@ -168,106 +156,20 @@
 
       new_instance
     end
 
     def to_file(filename, options = {})
-      filename = Pathname.new(filename)
+      writer = Writer.new
 
-      if @fragments.empty?
-        raise EmptyFragment
-      end
+      writer.add_track(@fragments)
+      writer.to_file(filename, options)
 
-      which('ecasound')
-      which('ffmpeg')
-
-      options = {
-        :overwrite => false
-      }.merge(options)
-
-      filename = Pathname.new(filename)
-
-      if filename.exist?
-        if options[:overwrite]
-          filename.unlink
-        else
-          raise FileExists
-        end
-      end
-
-      position = 0.0
-
-      TempDir.create do |dir|
-        tmpdir = Pathname.new(dir)
-        tmpfile = tmpdir + 'tmp.wav'
-        cmd = %w/ecasound/
-
-        @fragments.each_with_index do |fragment, index|
-          fragment_filename = fragment.filename
-          fragment_duration = fragment.duration
-
-          if !index.zero? && (index % 80).zero?
-            run_command(cmd.join(' '))
-            cmd = %w/ecasound/
-          end
-
-          fragment_tmpfile =
-            fragment_filename.extname.downcase == '.wav' ? fragment_filename :
-            tmpdir + (Digest::MD5.hexdigest(fragment_filename) + '.wav')
-
-          unless fragment_tmpfile.exist?
-            run_command("ffmpeg -i \"#{fragment_filename}\" \"#{fragment_tmpfile}\"")
-          end
-
-          cmd <<
-            "-a:#{index} " +
-            "-i:" +
-            (fragment.reversed? ? 'reverse,' : '') +
-            "select,#{fragment.start},#{fragment_duration},\"#{fragment_tmpfile}\" " +
-            "-o:#{tmpfile} " +
-            "-y:#{position}"
-
-          position += fragment_duration
-        end
-
-        run_command(cmd.join(' '))
-
-        if filename.extname == '.wav'
-          File.rename(tmpfile, filename)
-        else
-          run_command("ffmpeg -i \"#{tmpfile}\" \"#{filename}\"")
-        end
-      end
-
       self.class.new(filename)
     end
 
     alias > to_file
 
     def >>(filename)
       to_file(filename, :overwrite => true)
-    end
-
-    def which(command)
-      run_command("which #{command}")
-    end
-
-    def run_command(cmd)
-      logger.debug("run_command: #{cmd}")
-
-      result = ''
-      status = Open4.popen4(cmd) do |pid, stdin, stdout, stderr|
-        logger.debug(stderr.read)
-        result = stdout.read
-      end
-
-      if status.exitstatus != 0
-        raise CommandFailed.new(cmd)
-      end
-
-      return result
-    end
-
-    def logger
-      self.class.logger
     end
   end
 end