interpreter/main.ml

   1 (**
   2         Module: Interpreter
   3         Description: Input wave -> interpretation -> output wave
   4         @author WANG Haisheng
   5         Created: 15/05/2013     Modified: 14/08/2013
   6 *)
   7
   8 open Aux;;
   9 open Process;;
  10 open Faustio;;
  11
  12 exception Missing_Expression;;
  13
  14 let version = "Faustine: 0.0.1";;
  15
  16 let set_GC () =
  17         let _ = Gc.set { (Gc.get())
  18                        with Gc.minor_heap_size = 0xFFFFFF } in
  19         let _ = Gc.set { (Gc.get())
  20                        with Gc.major_heap_increment = 0xFFFFFF } in
  21         let _ = Gc.set { (Gc.get())
  22                        with Gc.space_overhead = 100 } in
  23         let _ = Gc.set { (Gc.get())
  24                        with Gc.max_overhead = 0xFFF } in
  25         let _ = Gc.set { (Gc.get())
  26                        with Gc.stack_limit = 0xFFFFF } in
  27         let _ = Gc.set { (Gc.get())
  28                        with Gc.allocation_policy = 1 } in
  29         () ;;
  30
  31 let path_dsp = ref "";;
  32 let size_input = ref 0;;
  33 let inputs = ref [];;
  34 let time_max = ref 0xFFFF;;
  35 let dir_output = ref "";;
  36 let format_output = ref "wav";;
  37 let basename_output = ref "output";;
  38
  39 let option_usage = "usage: " ^ Sys.argv.(0)
  40   ^ " [-d dsp_src] [-i input] [-t time] [--odir dir] [--oformat wav/csv] [--obasename name]";;
  41
  42 let option_unknown =
  43   fun x -> raise (Arg.Bad ("Bad argument : " ^ x))
  44
  45 let speclist = [
  46   ("-d", Arg.String (fun s -> path_dsp := s), ": set dsp source file");
  47   ("-i", Arg.String (fun s -> incr size_input; inputs := !inputs @ [s]), ": set input wave file");
  48   ("-t", Arg.Int (fun i -> time_max := i), ": set max output length");
  49   ("--odir", Arg.String (fun s -> dir_output := s), ": set output directory");
  50   ("--oformat", Arg.String (fun s -> format_output := s), ": set output format");
  51   ("--obasename", Arg.String (fun s -> basename_output := s), ": set output basename");
  52   ];;
  53
  54
  55 let main () =
  56
  57         let () = Arg.parse speclist option_unknown option_usage in
  58         let _ = Sys.signal Sys.sigalrm Sys.Signal_ignore in
  59         let _ = set_GC () in
  60         let io = new iomanager in
  61         let () = io#set !dir_output !format_output !basename_output in
  62
  63
  64         let () = print_string("    Faustine -> Reading input ...") in
  65         let tic0 = Sys.time () in
  66         let input = io#read !inputs in
  67         let toc0 = Sys.time () in
  68         let () = print_endline(" Done. (duration: " ^ (string_of_float (toc0 -. tic0)) ^ "s.)") in
  69
  70
  71         let () = print_string("    Faustine -> Preprocessing...") in
  72         let tic1 = Sys.time () in
  73         let faust_core = Preprocess.preprocess !path_dsp in
  74         let toc1 = Sys.time () in
  75         let () = print_endline(" Done. (duration: " ^ (string_of_float (toc1 -. tic1)) ^ "s.)") in
  76
  77
  78         let () = print_string("    Faustine -> Constructing process...") in
  79         let tic2 = Sys.time () in
  80         let faust_exp = exp_of_string faust_core in
  81         let proc = (new proc_factory)#make faust_exp in
  82         let toc2 = Sys.time () in
  83         let () = print_endline(" Done. (duration: " ^ (string_of_float (toc2 -. tic2)) ^ "s.)") in
  84
  85
  86         let () = print_string("    Faustine -> Evaluating...") in
  87         let tic3 = Sys.time () in
  88         let output = proc#eval input in
  89         let toc3 = Sys.time () in
  90         let () = print_endline(" Done. (duration: " ^ (string_of_float (toc3 -. tic3)) ^ "s.)") in
  91
  92
  93         let () = print_string("    Faustine -> Calculating...") in
  94         let tic4 = Sys.time () in
  95         let data = output#output !time_max in
  96         let rates = output#frequency in
  97         let toc4 = Sys.time () in
  98         let () = print_endline(" Done. (duration: " ^ (string_of_float (toc4 -. tic4)) ^ "s.)") in
  99
 100
 101         let () = print_string("    Faustine -> Writing output...") in
 102         let tic5 = Sys.time () in
 103         let output_paths = io#write rates data in
 104         let toc5 = Sys.time () in
 105         let () = print_endline(" Done. (duration: " ^ (string_of_float (toc5 -. tic5)) ^ "s.)") in
 106
 107         let _ = Array.map print_endline
 108             (Array.map decorate output_paths) in
 109         ();;
 110
 111 main();;
 112