interpretor/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 Process;;
   9 open Faustio;;
  10
  11 exception Missing_Expression;;
  12
  13 let time_maximum = 0xFFF;;
  14
  15 let set_GC () =
  16         let _ = Gc.set { (Gc.get())
  17                        with Gc.minor_heap_size = 0xFFFFFF } in
  18         let _ = Gc.set { (Gc.get())
  19                        with Gc.major_heap_increment = 0xFFFFFF } in
  20         let _ = Gc.set { (Gc.get())
  21                        with Gc.space_overhead = 100 } in
  22         let _ = Gc.set { (Gc.get())
  23                        with Gc.max_overhead = 0xFFFFF } in
  24         let _ = Gc.set { (Gc.get())
  25                        with Gc.stack_limit = 0xFFFFF } in
  26         let _ = Gc.set { (Gc.get())
  27                        with Gc.allocation_policy = 0 } in
  28         () ;;
  29
  30 let has_dsp = ref false;;
  31 let path_dsp = ref "";;
  32 let num_inwav = ref 0;;
  33 let inwavs = ref [];;
  34 let num_incsv = ref 0;;
  35 let incsvs = ref [];;
  36 let outwav = ref false;;
  37 let outcsv = ref false;;
  38
  39 let option_usage = "usage: " ^ Sys.argv.(0)
  40   ^ " [-ow] [-oc] [-d string] [-iw string] [-ic string]";;
  41
  42 let option_unknown =
  43   fun x -> raise (Arg.Bad ("Bad argument : " ^ x))
  44
  45 let speclist = [
  46   ("-ow", Arg.Unit (fun () -> outwav := true), ": output wave files");
  47   ("-oc", Arg.Unit (fun () -> outcsv := true), ": output csv files");
  48   ("-d", Arg.String (fun s -> has_dsp := true;
  49     path_dsp := s), ": set dsp source file");
  50   ("-iw", Arg.String (fun s -> incr num_inwav;
  51     inwavs := !inwavs @ [s]), ": set input wave file");
  52   ("-ic", Arg.String (fun s -> incr num_incsv;
  53     incsvs := !incsvs @ [s]), ": set input csv file");
  54   ];;
  55
  56
  57 let main () =
  58
  59         (* ignore system alarm clock *)
  60         let _ = Sys.signal Sys.sigalrm Sys.Signal_ignore in
  61         let _ = set_GC () in
  62         let () = Arg.parse speclist option_unknown option_usage in
  63
  64         let wave = new waveio in
  65         let input = wave#read (Array.of_list !inwavs) in
  66         let faust_core = Preprocess.preprocess !path_dsp in
  67         let faust_exp = exp_of_string faust_core in
  68         let proc = (new proc_factory)#make faust_exp in
  69         let output = proc#eval input in
  70         let data = output#output time_maximum in
  71         let rates = output#frequency in
  72
  73         let output_paths = wave#write rates data in
  74         let _ = Array.map print_endline output_paths in
  75         ();;
  76
  77
  78
  79
  80
  81
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  83
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  85
  86
  87
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  89
  90
  91 (*
  92         try
  93                 (* preprocess *)
  94                 let dsp_file_route_string = (io_macro_to_string Dsp_Route_string) ^ Sys.argv.(3) in
  95                 let () = print_string("    Faustine -> Preprocessing...") in
  96                 let tic = Sys.time () in
  97                 let exp_string = Preprocess.preprocess(dsp_file_route_string) in
  98                 let toc = Sys.time () in
  99                 let () = print_endline(" Done.     (duration: " ^
 100                                        (string_of_float (toc -. tic)) ^ "s)") in
 101
 102                 (* parsing *)
 103                 let exp_faust = exp_of_string exp_string in
 104
 105                 (* interpretation *)
 106                 let (output_channel_list, output_rate_list, output_float_array_list) =
 107                   interpreter exp_faust (input_rate_list, input_float_array_list) in
 108
 109                 (* make output wave files *)
 110                 if option_out = "-wav" then
 111                   write_output_wave output_channel_list output_rate_list output_float_array_list
 112                 else if option_out = "-csv" then
 113                   write_output_csv output_channel_list output_float_array_list
 114                 else raise (Invalid_argument ("Unkown option: " ^ option_out))
 115
 116         with NotYetDone ->
 117                 print_endline("Operation not yet programed..");;
 118
 119 *)
 120
 121 main();;
 122