ogv not found

gistfile1.txt

    def convert_to_ogv
      remote_url = model.send("remote_#{mounted_as}_url")
      if should_process_remote?(remote_url)
        download_from_remote_location(remote_url)
      else
        directory = File.dirname( current_path )
        tmpfile   = File.join(directory, "tmpfile.mp3") 
        ###########################################
         this should be tmpfile.mp4

        ogv_tmpfile =  File.join(directory, "tmpfile.ogg") 
        ##########################################
        this should be tmpfile.ogv

        FileUtils.move(current_path, tmpfile)
        `ffmpeg2theora -v 7 #{tmpfile} -o #{ogv_tmpfile}`
        `touch #{ogv_tmpfile}` # in case conversion was not successful
        FileUtils.move(ogv_tmpfile, current_path)
        FileUtils.remove(tmpfile)
      end
      file.content_type = "video/ogg" 
      #############################################
      this should be video/ogv

    end