+++ /dev/null
-(**
- Module: Interpreter
- Description: Input wave -> interpretation -> output wave
- @author WANG Haisheng
- Created: 15/05/2013 Modified: 04/06/2013
-*)
-
-open Faustexp;;
-open Interpreter;;
-
-(* EXCEPTIONS *)
-
-(** Exception raised when no string expression of faust process is typed in console.*)
-exception Missing_Expression;;
-
-
-
-(* MACRO *)
-
-(** Macro constants of input/output route.*)
-type io_macro =
- | Input_Route_string
- | Output_Route_string
- | Dsp_Route_string;;
-
-(** val io_macro_to_string : io_macro -> string.*)
-let io_macro_to_string m = match m with
- | Input_Route_string -> ""
- | Output_Route_string -> "../output_sounds/"
- | Dsp_Route_string -> "";;
-
-
-(** val set_GC : unit -> unit *)
-let set_GC () =
- let _ = Gc.set { (Gc.get()) with Gc.minor_heap_size = 0xFFFFFF } in
- let _ = Gc.set { (Gc.get()) with Gc.major_heap_increment = 0xFFFFFF } in
- let _ = Gc.set { (Gc.get()) with Gc.space_overhead = 100 } in
- let _ = Gc.set { (Gc.get()) with Gc.max_overhead = 0xFFFFF } in
- let _ = Gc.set { (Gc.get()) with Gc.stack_limit = 0xFFFFF } in
- let _ = Gc.set { (Gc.get()) with Gc.allocation_policy = 0 } in
- () ;;
-
-(* INPUT && OUTPUT*)
-
-(** val read_input_wave : string array -> int list * float array list
- [read_input_wave argv] gets information from command line,
- returns sample rate list and data (in form of float array) list.
-*)
-let read_input_wave = fun argv ->
- let n_input = (Array.length argv) - 4 in
- if n_input < 0 then
- raise Missing_Expression
- else if n_input = 0 then
- ([], [])
- else
- (* open wave file *)
- let file_string_array = Array.sub argv 4 n_input in
- let make_chemin s = io_macro_to_string Input_Route_string ^ s in
- let file_chemin_string_array = Array.map make_chemin file_string_array in
- let file_array = Array.map Sndfile.openfile file_chemin_string_array in
- let file_list = Array.to_list file_array in
-
- (* prepare data container *)
- let frames_array = Array.map Int64.to_int (Array.map Sndfile.frames file_array) in
- let create_data_array num = Array.create num 1. in
- let data_float_array_array = Array.map create_data_array frames_array in
- let data_float_array_list = Array.to_list data_float_array_array in
-
- (* read sample rates and data *)
- let rate_list = List.map Sndfile.samplerate file_list in
- let _ = List.map2 Sndfile.read file_list data_float_array_list in
- let _ = List.map Sndfile.close file_list in
- (rate_list, data_float_array_list);;
-
-
-(** val write_output_wave : int list -> int list -> float_array_list -> unit.
- [write_output_wave channel_numbers sample_rates data]
-*)
-let write_output_wave = fun channel_int_list -> fun rate_int_list -> fun data_float_array_list ->
- let () = print_string(" Faustine -> Writing wave files...") in
- let tic = Sys.time () in
-
- (* make output wave file names : output0, output1, ... *)
- let n_output = List.length data_float_array_list in
- let n_array = Array.init n_output (fun n -> n) in
- let make_file_name i = "output" ^ (string_of_int i) ^ ".wav" in
-
- (* make output wave file routes *)
- let make_chemin s = io_macro_to_string Output_Route_string ^ s in
- let file_name_string_array = Array.map make_file_name n_array in
- let file_chemin_string_array = Array.map make_chemin file_name_string_array in
- let file_chemin_string_list = Array.to_list file_chemin_string_array in
-
- (* open files for writing with respects to channel numbers and sample rates *)
- let file_format = Sndfile.format Sndfile.MAJOR_WAV Sndfile.MINOR_PCM_16 in
- let openwr = fun file_chemin_string -> fun channel -> fun rate ->
- Sndfile.openfile ~info:(Sndfile.RDWR, file_format, channel, rate) file_chemin_string in
- let openwr_fun_list = fun fl -> fun cl -> fun rl -> fun i ->
- openwr (List.nth fl i) (List.nth cl i) (List.nth rl i) in
- let output_file_list = List.map
- (openwr_fun_list file_chemin_string_list channel_int_list rate_int_list)
- (Array.to_list (Array.init n_output (fun n -> n))) in
-
- (* write data into files *)
- let _ = List.map2 Sndfile.write output_file_list data_float_array_list in
- let _ = List.map Sndfile.close output_file_list in
- let toc = Sys.time () in
- print_endline(" Done. (duration: " ^ (string_of_float (toc -. tic)) ^ "s)");;
-
-
-let csvread = fun (ic : in_channel) ->
- let string_list = ref [] in
- try
- while true do
- string_list := !string_list @ [(input_line ic)]
- done;
- [||]
- with End_of_file ->
- (*let () = print_endline(List.nth !string_list 0) in*)
- Array.of_list (List.map float_of_string !string_list);;
-
-let read_input_csv = fun argv ->
- let n_input = (Array.length argv) - 4 in
- if n_input < 0 then
- raise Missing_Expression
- else if n_input = 0 then
- ([], [])
- else
- (* open csv file *)
- let file_string_array = Array.sub argv 4 n_input in
- let make_chemin s = io_macro_to_string Input_Route_string ^ s in
- let file_chemin_string_array = Array.map make_chemin file_string_array in
- let file_array = Array.map open_in file_chemin_string_array in
- let file_list = Array.to_list file_array in
-
- (* read sample rates and data *)
- let rate_list = Array.to_list (Array.create n_input 0) in
- let data_float_array_list = List.map csvread file_list in
- let _ = List.map close_in file_list in
- (rate_list, data_float_array_list);;
-
-
-let write_output_csv = fun channel_int_list -> fun data_float_array_list ->
- let () = print_string(" Faustine -> Writing csv files...") in
- let tic = Sys.time () in
-
- (* make output txt file names : output0, output1, ... *)
- let n_output = List.length data_float_array_list in
- let n_array = Array.init n_output (fun n -> n) in
- let make_file_name i = "output" ^ (string_of_int i) ^ ".csv" in
-
- (* make output wave file routes *)
- let make_chemin s = io_macro_to_string Output_Route_string ^ s in
- let file_name_string_array = Array.map make_file_name n_array in
- let file_chemin_string_array = Array.map make_chemin file_name_string_array in
- let file_chemin_string_list = Array.to_list file_chemin_string_array in
-
- (* open output channels *)
- let file_list = List.map open_out file_chemin_string_list in
- let data_string_array_list = List.map (Array.map string_of_float) data_float_array_list in
- let array_to_string = fun data_string_array -> fun channel_int ->
- let data_length = Array.length data_string_array in
- let rec to_string_rec =
- fun data -> fun channel -> fun n -> fun i -> fun column ->
- if i < n then
- (
- let element = data.(i) in
- if column < (channel - 1) then
- element ^ "," ^ (to_string_rec data channel n (i + 1) (column + 1))
- else if column = (channel - 1) then
- element ^ "\n" ^ (to_string_rec data channel n (i + 1) 0)
- else raise (Invalid_argument "write_output_txt.")
- )
- else "" in
- to_string_rec data_string_array channel_int data_length 0 0 in
-
- let data_string_list = List.map2 array_to_string data_string_array_list channel_int_list in
- let _ = List.map2 output_string file_list data_string_list in
- let _ = List.map close_out file_list in
- let toc = Sys.time () in
- print_endline(" Done. (duration: " ^ (string_of_float (toc -. tic)) ^ "s)");;
-
-
-let read_input = fun option_in -> fun argv ->
- if option_in = "-wav" then
- read_input_wave argv
- else if option_in = "-csv" then
- read_input_csv argv
- else raise (Invalid_argument ("Unkown option: " ^ option_in));;
-
-
-(* MAIN *)
-
-(** val main : unit -> unit
-main function reads console input strings (Sys.argv) with
-input: string of faust process, input waves in default directory 'input_sounds/'
-output: output waves in default directory 'output_sounds/'.*)
-
-let main () =
-
- (* ignore system alarm clock *)
- let _ = Sys.signal Sys.sigalrm Sys.Signal_ignore in
-
- (* set garbage collector *)
- let _ = set_GC () in
-
- (* select output type *)
- let option_in = Sys.argv.(1) in
- let option_out = Sys.argv.(2) in
-
- (* read input wave files *)
-
- let (input_rate_list, input_float_array_list) = read_input option_in Sys.argv in
-
- try
- (* preprocess *)
- let dsp_file_route_string = (io_macro_to_string Dsp_Route_string) ^ Sys.argv.(3) in
- let () = print_string(" Faustine -> Preprocessing...") in
- let tic = Sys.time () in
- let exp_string = Preprocess.preprocess(dsp_file_route_string) in
- let toc = Sys.time () in
- let () = print_endline(" Done. (duration: " ^
- (string_of_float (toc -. tic)) ^ "s)") in
-
- (* parsing *)
- let exp_faust = exp_of_string exp_string in
-
- (* interpretation *)
- let (output_channel_list, output_rate_list, output_float_array_list) =
- interpreter exp_faust (input_rate_list, input_float_array_list) in
-
- (* make output wave files *)
- if option_out = "-wav" then
- write_output_wave output_channel_list output_rate_list output_float_array_list
- else if option_out = "-csv" then
- write_output_csv output_channel_list output_float_array_list
- else raise (Invalid_argument ("Unkown option: " ^ option_out))
-
- with NotYetDone ->
- print_endline("Operation not yet programed..");;
-
-main();;
-
projects / Faustine.git / blobdiff